<SEC-DOCUMENT>0001193125-22-240706.txt : 20220908
<SEC-HEADER>0001193125-22-240706.hdr.sgml : 20220908
<ACCEPTANCE-DATETIME>20220908102310
ACCESSION NUMBER:		0001193125-22-240706
CONFORMED SUBMISSION TYPE:	424B3
PUBLIC DOCUMENT COUNT:		5
FILED AS OF DATE:		20220908
DATE AS OF CHANGE:		20220908

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MASTEC INC
		CENTRAL INDEX KEY:			0000015615
		STANDARD INDUSTRIAL CLASSIFICATION:	WATER, SEWER, PIPELINE, COMM AND POWER LINE CONSTRUCTION [1623]
		IRS NUMBER:				650829355
		STATE OF INCORPORATION:			FL
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		424B3
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-267128
		FILM NUMBER:		221232833

	BUSINESS ADDRESS:	
		STREET 1:		800 S. DOUGLAS ROAD
		STREET 2:		12TH FLOOR
		CITY:			CORAL GABLES
		STATE:			FL
		ZIP:			33134
		BUSINESS PHONE:		3055991800

	MAIL ADDRESS:	
		STREET 1:		800 S. DOUGLAS ROAD
		STREET 2:		12TH FLOOR
		CITY:			CORAL GABLES
		STATE:			FL
		ZIP:			33134

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	BURNUP & SIMS INC
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>424B3
<SEQUENCE>1
<FILENAME>d338793d424b3.htm
<DESCRIPTION>424B3
<TEXT>
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<TITLE>424B3</TITLE>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="right"><B>Filed pursuant to Rule 424(b)(3)<BR>Registration No. 333-267128<BR> </B></P>
<p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>LETTER TO IEA STOCKHOLDERS </B></P>
<P STYLE="font-size:14pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P> <P STYLE="font-size:0pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P> <P STYLE="margin-top:0pt;margin-bottom:0pt" ALIGN="center">


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 </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman" ALIGN="center"><B>MERGER PROPOSED&#151;YOUR VOTE IS VERY IMPORTANT </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:8pt; font-family:Times New Roman">Dear Infrastructure and Energy Alternatives, Inc. Stockholder: </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:8pt; font-family:Times New Roman">On July&nbsp;24, 2022, Infrastructure and Energy Alternatives, Inc. (referred to as &#147;IEA&#148;), MasTec, Inc. (referred to as
&#147;MasTec&#148;) and Indigo Acquisition I Corp., a direct wholly owned subsidiary of MasTec (referred to as &#147;Merger Sub&#148;) entered into an Agreement and Plan of Merger that provides for the acquisition of IEA by MasTec (such agreement,
as it may be amended from time to time, the &#147;merger agreement&#148;). Pursuant to the terms of the merger agreement, Merger Sub will merge with and into IEA (referred to as the &#147;merger&#148;), with IEA surviving the merger and becoming a
wholly owned subsidiary of MasTec. The respective boards of directors of IEA and MasTec have unanimously approved the merger agreement and the merger. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:8pt; font-family:Times New Roman">Upon the terms and subject to the conditions of the merger agreement, at the effective time of the merger, each share of common stock, par value
$0.0001 per share, of IEA (referred to as &#147;IEA common stock&#148;) (other than (i)&nbsp;shares held in the treasury of IEA or owned, directly or indirectly, by MasTec, Merger Sub, IEA or any wholly-owned subsidiary of IEA immediately prior to
the effective time and (ii)&nbsp;shares held by a holder who did not vote in favor of the adoption of the merger agreement and has properly exercised appraisal rights in respect of such shares in accordance with Section&nbsp;262 of the General
Corporation Law of the State of Delaware) will be automatically converted into the right to receive (i)&nbsp;0.0483 shares of common stock, par value $0.10 per share, of MasTec (referred to as the &#147;stock consideration&#148;) and (ii) $10.50 per
share in cash, without interest (referred to as the &#147;cash consideration&#148;). </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:8pt; font-family:Times New Roman">Concurrently with the execution of the merger
agreement, MasTec entered into voting agreements with each of (i)&nbsp;Ares Special Situations Fund IV, L.P. and ASOF Holdings I, L.P., (ii) John Paul Roehm and Roehm Living Trust and (iii)&nbsp;Derek Glanvill (referred to as the &#147;voting
agreements&#148;). Subject to the terms and conditions of the voting agreements, such stockholders have agreed, among other things, to vote all of the shares of IEA common stock held by them (representing in the aggregate approximately 35% of the
total outstanding shares of IEA common stock as of July&nbsp;24, 2022) in favor of the adoption of the merger agreement. </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:8pt; font-family:Times New Roman">The blended value
per share of IEA common stock of $14.00, calculated as of July&nbsp;24, 2022, represented a premium of approximately 34% over the closing price per IEA common stock of $10.43 on July&nbsp;22, 2022 and a premium of approximately 57% over the <FONT
STYLE="white-space:nowrap">30-day</FONT> volume weighted average closing price per IEA common stock ending on July&nbsp;22, 2022 of $8.94. The implied value of the stock consideration will fluctuate as the market price of MasTec common stock
fluctuates because the stock consideration is payable based upon a fixed exchange ratio. As a result, the value of the stock consideration that IEA stockholders will receive upon completion of the merger could be greater than, less than or the same
as the value of the stock consideration on the date of the accompanying proxy statement/prospectus, at the time of the special meeting of the IEA stockholders described in the accompanying proxy statement/prospectus (referred to as the &#147;special
meeting&#148;) or at the closing of the merger. Accordingly, you should obtain current stock price quotations for MasTec common stock and IEA common stock before deciding how to vote with respect to the approval of the merger agreement proposal.
MasTec common stock and IEA common stock trade on the New York Stock Exchange and The Nasdaq Global Select Market under the symbols &#147;MTZ&#148; and &#147;IEA,&#148; respectively. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:8pt; font-family:Times New Roman">Based on the number of shares of MasTec common stock and IEA common stock outstanding on September&nbsp;6, 2022, upon completion of the merger,
former IEA stockholders will own approximately 3.0% of the outstanding shares of MasTec common stock. </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:8pt; font-family:Times New Roman"><B>The IEA board of directors
unanimously (i)&nbsp;determined that the terms of the merger agreement and the transactions contemplated thereby, including the merger, are fair to, and in the best interests of, IEA and its stockholders, (ii)&nbsp;determined that it is in the best
interests of IEA and its stockholders, and declared it advisable to, enter into the merger agreement, (iii)&nbsp;approved the execution and delivery by IEA of the merger agreement, the performance by IEA of its covenants and agreements contained
therein and the consummation of the merger and the other transactions contemplated by the merger agreement upon the terms and subject to the conditions set forth in the merger agreement and (iv)&nbsp;resolved to recommend that the IEA stockholders
vote to adopt the merger agreement. </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:8pt; font-family:Times New Roman">At the special meeting, you will be asked to approve the merger agreement proposal and to vote on
other transaction-related matters. <B>The IEA board of directors unanimously recommends that IEA stockholders vote &#147;FOR&#148; the merger agreement proposal and &#147;FOR&#148; each of the other proposals described in the accompanying proxy
statement/prospectus.</B> </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:8pt; font-family:Times New Roman"><B>Your vote is very important. MasTec and IEA cannot complete the merger without the approval of the merger
agreement proposal by IEA stockholders holding at least a majority of the shares of IEA common stock outstanding at the close of business on September&nbsp;6, 2022, the record date for the special meeting. The failure of any stockholder to vote will
have the same effect as a vote against the approval of the merger agreement proposal. It is important that your shares of IEA common stock be represented and voted regardless of the size of your holdings. Whether or not you plan to participate in
the special meeting, IEA urges you to submit a proxy in advance of the special meeting to have your shares voted by using one of the methods described in the accompanying proxy statement/prospectus. </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">More information about MasTec, IEA, the special meeting, the transactions and the other proposals for consideration at the special meeting is
contained in the accompanying proxy statement/prospectus. <B>Please carefully read the entire proxy statement/prospectus, including the section titled &#147;<A HREF="#toc338793_16">Risk&nbsp;Factors</A>&#148; beginning on page&nbsp;</B><B></B><B>24,
for a discussion of the risks relating to the merger, and the annexes and documents incorporated by reference. </B>You may also obtain more information about IEA from the documents IEA files with the U.S. Securities and Exchange Commission,
including those incorporated by reference into the accompanying proxy statement/prospectus. </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:8pt; font-family:Times New Roman"><B>On behalf of the IEA board of directors,
thank you for your continued support. </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:8pt; font-family:Times New Roman">Sincerely, </P> <P STYLE="font-size:18pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<P STYLE="margin-top:0pt;margin-bottom:0pt">


<IMG SRC="g338793g11a11.jpg" ALT="LOGO">
 </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:8pt; font-family:Times New Roman">Erin Roth </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:8pt; font-family:Times New Roman">Executive Vice
President, General Counsel and Corporate Secretary </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:8pt; font-family:Times New Roman"><B>NEITHER THE SECURITIES AND EXCHANGE COMMISSION NOR ANY STATE SECURITIES COMMISSION
HAS APPROVED OR DISAPPROVED THE MERGER OR OTHER TRANSACTIONS DESCRIBED IN THE ACCOMPANYING PROXY STATEMENT/PROSPECTUS OR THE SECURITIES TO BE ISSUED PURSUANT TO THE MERGER UNDER THE ACCOMPANYING PROXY STATEMENT/PROSPECTUS NOR HAVE THEY DETERMINED IF
THE ACCOMPANYING PROXY STATEMENT/PROSPECTUS IS ACCURATE OR ADEQUATE. ANY REPRESENTATION TO THE CONTRARY IS A CRIMINAL OFFENSE. </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:8pt; font-family:Times New Roman">The
accompanying proxy statement/prospectus is dated September&nbsp;8, 2022 and is first being mailed to IEA stockholders on or about September&nbsp;8, 2022. </P>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>NOTICE OF SPECIAL MEETING OF IEA&#146;S STOCKHOLDERS </B></P>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P> <P STYLE="font-size:0pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<P STYLE="margin-top:0pt;margin-bottom:0pt" ALIGN="center">


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 </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>INFRASTRUCTURE AND ENERGY ALTERNATIVES, INC. </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>6325 Digital Way, Suite 460 </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>Indianapolis, Indiana 46278 </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>NOTICE OF SPECIAL MEETING OF STOCKHOLDERS TO BE HELD ON OCTOBER 7, 2022 </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">This is a notice that the special meeting of stockholders of Infrastructure and Energy Alternatives, Inc. (referred to as &#147;IEA&#148;)
will be held on October 7, 2022, beginning at 8:00 a.m., Eastern time. The special meeting will be a completely virtual, live audio webcast meeting of stockholders and will be held for the following purposes: </P>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="5%" VALIGN="top" ALIGN="left">1.</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">to adopt the Agreement and Plan of Merger, dated as of July&nbsp;24, 2022 (such agreement, as it may be amended
from time to time, referred to as the &#147;merger agreement&#148;), by and among IEA, MasTec, Inc. (referred to as &#147;MasTec&#148;) and Indigo Acquisition I Corp., a direct wholly owned subsidiary of MasTec (referred to as &#147;Merger
Sub&#148;), pursuant to which, upon the terms and subject to the conditions of the merger agreement, Merger Sub will merge with and into IEA (referred to as the &#147;merger&#148;), with IEA surviving the merger and becoming a wholly owned
subsidiary of MasTec (adoption of the merger agreement and approval of the merger referred to as the &#147;merger agreement proposal&#148;); </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="5%" VALIGN="top" ALIGN="left">2.</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">to approve on an advisory <FONT STYLE="white-space:nowrap">(non-binding)</FONT> basis the compensation that may
be paid or become payable to IEA&#146;s named executive officers that is based on or otherwise relates to the merger (referred to as the &#147;merger-related compensation proposal&#148;); and </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="5%" VALIGN="top" ALIGN="left">3.</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">to approve the adjournment of the special meeting, if necessary, to solicit additional proxies if there are not
sufficient votes to approve the merger agreement proposal (referred to as the &#147;adjournment proposal&#148;). </P></TD></TR></TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The
accompanying proxy statement/prospectus describes the proposals listed above in more detail. Please refer to the accompanying proxy statement/prospectus, including the merger agreement and the other annexes and documents included in, or incorporated
by reference into, the accompanying proxy statement/prospectus for further information with respect to the business to be transacted at the special meeting. You are encouraged to read the entire proxy statement/prospectus carefully before voting. In
particular, see the section titled &#147;Risk&nbsp;Factors&#148; beginning on page&nbsp;24. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The IEA board of directors unanimously
(i)&nbsp;determined that the terms of the merger agreement and the transactions contemplated thereby, including the merger, are fair to, and in the best interests of, IEA and its stockholders, (ii)&nbsp;determined that it is in the best interests of
IEA and its stockholders, and declared it advisable, to enter into the merger agreement, (iii)&nbsp;approved the execution and delivery by IEA of the merger agreement, the performance by IEA of its covenants and agreements contained therein and the
consummation of the merger and the other transactions contemplated by the merger agreement upon the terms and subject to the conditions set forth in the merger agreement and (iv)&nbsp;resolved to recommend that the IEA stockholders vote to adopt the
merger agreement.<B> The IEA board of directors unanimously recommends that IEA stockholders vote &#147;FOR&#148; the merger agreement proposal and &#147;FOR&#148; each of the other proposals listed above and described in more detail in the
accompanying proxy statement/prospectus.</B> </P>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The IEA board of directors has fixed the close of business on September 6, 2022 as the
record date for determination of IEA stockholders entitled to receive notice of, and to vote at, the special meeting or any adjournments or postponements thereof. Only holders of record of IEA common stock as of the close of business on the record
date are entitled to receive notice of, and to vote at, the special meeting. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B>YOUR VOTE IS VERY IMPORTANT, REGARDLESS OF THE NUMBER OF
SHARES THAT YOU OWN. </B></P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The merger cannot be completed unless the merger agreement proposal is approved by the affirmative vote,
virtually or by proxy, of holders of at least a majority of the outstanding shares of IEA common stock entitled to vote thereon. <B>The failure to vote will have the same effect as a vote against the merger agreement proposal</B>. The affirmative
vote of a majority of the votes cast by the stockholders present in person or represented at the special meeting, virtually or by proxy, and entitled to vote on the merger-related compensation proposal and the adjournment proposal, is required to
approve such proposals. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">For more information concerning the special meeting, the merger agreement, the merger and the other transactions
contemplated by the merger agreement, please review the accompanying proxy statement/prospectus and the copy of the merger agreement attached as Annex A to the proxy statement. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B>Whether or not you expect to participate in the special meeting, IEA urges you to submit a proxy to have your shares voted as promptly as
possible either: (1)</B><B></B><B>&nbsp;via the Internet at proxyvote.com (see proxy card for instructions); (2)</B><B></B><B>&nbsp;by telephone (see proxy card for instructions); or (3)</B><B></B><B>&nbsp;by completing, signing and returning the
enclosed proxy card in the postage-paid envelope provided, so that your shares may be represented and voted at the special meeting.</B> If your shares are held in &#147;street name&#148; by a bank, brokerage firm or other nominee, please follow the
instructions on the voting instruction card furnished by such bank, brokerage firm or other nominee. Any stockholder of record participating in the special meeting may vote even if such stockholder has returned a proxy card. However, if your shares
are held in &#147;street name&#148; you must obtain a legal proxy from the bank, brokerage firm or nominee to vote at the special meeting. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Stockholders of record as of September 6, 2022 will be able to participate in the special meeting by visiting
www.virtualshareholdermeeting.com/IEA2022SM and entering the 16-digit control number included on your proxy card or voting instruction card that accompanied your proxy materials. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">A stockholder who does not vote in favor of the merger agreement proposal will have the right to seek appraisal of the fair value of its
shares if the merger is consummated, but only if such stockholder submits a written demand for appraisal to IEA prior to the time the vote is taken on the merger agreement proposal and complies with all other requirements of the Delaware General
Corporation Law (referred to as the &#147;DGCL&#148;). A copy of the applicable DGCL statutory provisions is included as Annex F to the accompanying proxy statement, and a summary of these provisions can be found under the section entitled
&#147;Appraisal Rights&#148; in the accompanying proxy statement. </P>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">If you have any questions about the special meeting, the merger, the proposals or the
accompanying proxy statement/prospectus, would like additional copies of the proxy statement/prospectus, need to obtain proxy cards or other information related to this proxy solicitation or need help submitting a proxy or voting your shares of IEA
common stock, you should contact: </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>Infrastructure and Energy Alternatives, Inc. </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">6325 Digital Way, Suite 460 </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">Indianapolis, Indiana 46278 </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">(800) <FONT
STYLE="white-space:nowrap">688-3775</FONT> </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">Attention: Investor Relations </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>or </B></P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>D.F.
King&nbsp;&amp; Co., Inc. </B></P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">48 Wall Street, 22nd Floor </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">New York, New York 10005 </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">Banks and
Brokers may call: (212) <FONT STYLE="white-space:nowrap">269-5550</FONT> </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">Stockholders may call toll free: (866) <FONT
STYLE="white-space:nowrap">796-3441</FONT> </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">IEA@dfking.com </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">By order of the board of directors </P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P> <P STYLE="margin-top:0pt;margin-bottom:0pt">


<IMG SRC="g338793g11a12.jpg" ALT="LOGO">
 </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Erin Roth <I> </I></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><I>Executive Vice President, General Counsel and Corporate Secretary</I> </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Dated: September&nbsp;8, 2022 </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><I>Indianapolis, Indiana</I> </P>
</DIV></Center>


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<h5 align="left"><a href="#toc">Table of Contents</a></h5>


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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>REFERENCES TO ADDITIONAL INFORMATION </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">MasTec, Inc. (referred to as &#147;MasTec&#148;) has filed a registration statement on Form <FONT STYLE="white-space:nowrap">S-4</FONT> to
which this proxy statement/prospectus relates. This proxy statement/prospectus does not contain all of the information included in the registration statement or in the exhibits to the registration statement to which the accompanying proxy
statement/prospectus relates. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">This proxy statement/prospectus also incorporates by reference important business and financial information
about MasTec and Infrastructure and Energy Alternatives, Inc. (referred to as &#147;IEA&#148;) from documents previously filed by MasTec or IEA with the U.S. Securities and Exchange Commission (referred to as the &#147;SEC&#148;), that are not
included in or delivered with this proxy statement/prospectus. In addition, MasTec and IEA each file annual, quarterly and current reports, proxy statements and other business and financial information with the SEC. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">This proxy statement/prospectus and the Annexes hereto, the registration statement to which this proxy statement/prospectus relates and the
exhibits thereto, the information incorporated by reference herein and the other information filed by MasTec and IEA with the SEC is available for you to review at the SEC&#146;s Public Reference Room located at 100 F Street, N.E., Room 1580,
Washington, DC 20549. You can also obtain these documents through the SEC&#146;s website at www.sec.gov or on either MasTec&#146;s website at <FONT STYLE="white-space:nowrap">https://investors.mastec.com/financial-reporting/sec-filings</FONT> in the
&#147;Investors&#148; section or on IEA&#146;s website at <FONT STYLE="white-space:nowrap">https://ir.iea.net/sec-filings</FONT> in the &#147;Investors&#148; section. By referring to MasTec&#146;s website, IEA&#146;s website, and the SEC&#146;s
website, MasTec and IEA do not incorporate any such website or its contents into this proxy statement/prospectus. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">This proxy
statement/prospectus incorporates important business and financial information about MasTec and IEA from other documents that are not included in or delivered with this proxy statement/prospectus. This information is available to you without charge
upon your request. You can obtain these documents incorporated by reference into this proxy statement/prospectus by requesting them in writing or by telephone from the appropriate company at the following addresses and telephone numbers: </P>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD VALIGN="bottom" ALIGN="center"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">MasTec, Inc.<BR>800 S. Douglas Road, 12th Floor<BR>Coral Gables, Florida 33134<BR>(305) <FONT
STYLE="white-space:nowrap">599-1800</FONT></P> <P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">Attn: Investor Relations</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" ALIGN="center"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">Infrastructure and Energy Alternatives, Inc.<BR>6325 Digital Way, Suite 460</P>
<P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">Indianapolis, Indiana 46278<BR>(800) <FONT STYLE="white-space:nowrap">688-3775</FONT><BR>Attn: Investor Relations</P></TD></TR>
</TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">See &#147;Incorporation of Certain Documents by Reference&#148; beginning on page 113 for more information
about the documents incorporated by reference in this proxy statement/prospectus. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">If you hold your shares in &#147;street name,&#148;
through a bank, broker or other nominee, you should contact such bank, broker or other nominee if you need to obtain a voting instruction card or have questions on how to vote your shares. </P>
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<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>ABOUT THIS PROXY STATEMENT/PROSPECTUS </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">This proxy statement/prospectus, which forms part of a registration statement on Form <FONT STYLE="white-space:nowrap">S-4</FONT> filed with
the SEC by MasTec (Registration <FONT STYLE="white-space:nowrap">No.&nbsp;333-267128),</FONT> constitutes a prospectus of MasTec under Section&nbsp;5 of the Securities Act of 1933, as amended (referred to as the &#147;Securities Act&#148;), with
respect to the shares of common stock of MasTec, par value $0.10 per share, to be issued pursuant to the merger agreement. This document also constitutes a notice of meeting and a proxy statement under Section&nbsp;14(a) of the Securities Exchange
Act of 1934, as amended (referred to as the &#147;Exchange Act&#148;), with respect to the IEA special meeting, at which IEA stockholders will be asked to consider and vote on, among other matters, a proposal to adopt the merger agreement. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">No one has been authorized to provide you with information that is different from that contained in, or incorporated by reference into, this
proxy statement/prospectus. This proxy statement/prospectus is dated September&nbsp;8, 2022. The information contained in this proxy statement/prospectus is accurate only as of that date or, in the case of information in a document incorporated by
reference, as of the date of such document, unless the information specifically indicates that another date applies. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B>This proxy
statement/prospectus does not constitute an offer to sell, or a solicitation of an offer to buy, any securities, or the solicitation of a proxy, in any jurisdiction in which or from any person to whom it is unlawful to make any such offer or
solicitation in such jurisdiction. </B></P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The information concerning MasTec contained in this proxy statement/prospectus or incorporated by
reference has been provided by MasTec, and the information concerning IEA contained in this proxy statement/prospectus has been provided by IEA. </P>
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<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><A NAME="toc"></A>TABLE OF CONTENTS </B></P>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD VALIGN="bottom" WIDTH="1%"></TD>
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<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#toc338793_1"><B>QUESTIONS AND ANSWERS ABOUT THE TRANSACTION AND THE SPECIAL
MEETING</B></A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">1</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#toc338793_2"><B>SUMMARY</B></A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">11</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:3.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#toc338793_3">Parties to the Transaction</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">11</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:3.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#toc338793_4">Description of the Transaction and Background of the Transaction
</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">12</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:3.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#toc338793_5">IEA Board Reasons for the Transaction and Recommendation</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">12</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:3.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#toc338793_6">Opinion of IEA&#146;s Financial Advisor</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">13</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:3.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#toc338793_7">Description of the Merger Agreement</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">16</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:3.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#toc338793_8">Description of the Voting Agreements</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">20</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:3.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#toc338793_9">Regulatory Approvals Required for the Merger</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">20</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:3.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#toc338793_10">Financing of the Transaction</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">20</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:3.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#toc338793_11">Material U.S. Federal Income Tax Consequences of the Merger</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">21</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:3.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#toc338793_12">Accounting Treatment of the Transaction </A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">22</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:3.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#toc338793_13">Treatment of IEA SPAC Warrants in the Merger</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">22</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:3.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#toc338793_14">Treatment of Other Warrants in the Merger</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">22</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:3.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#toc338793_15">Appraisal Rights</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">22</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#toc338793_16"><B>RISK FACTORS</B></A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">24</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:3.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#toc338793_17">Risks Relating to the Merger</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">24</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:3.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#toc338793_18">Risk Factors Relating to MasTec after the Transaction</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">27</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#toc338793_19"><B>CAUTIONARY NOTE REGARDING FORWARD-LOOKING STATEMENTS</B></A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">28</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#toc338793_20"><B>INFORMATION ABOUT THE IEA SPECIAL MEETING AND
PROPOSALS</B></A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">30</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:3.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#toc338793_21">General</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">30</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:3.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#toc338793_22">Date, Time and Place of the Special Meeting</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">30</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:3.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#toc338793_23">Purposes of the Special Meeting</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">30</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:3.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#toc338793_24">Record Date</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">30</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:3.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#toc338793_25">Virtual Participation at Special Meeting</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">30</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:3.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#toc338793_26">Outstanding Shares as of Record Date</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">31</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:3.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#toc338793_27">Shares and Voting of IEA&#146;s Directors and Executive
Officers</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">31</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:3.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#toc338793_28">Quorum and Broker
<FONT STYLE="white-space:nowrap">Non-Votes</FONT></A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">31</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:3.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#toc338793_29">Required Vote</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">31</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:3.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#toc338793_30">How to Vote or Have Your Shares Voted</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">32</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:3.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#toc338793_31">Revocation of Proxies</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">33</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:3.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#toc338793_32">Solicitation of Proxies</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">34</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:3.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#toc338793_33">Adjournments</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">34</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:3.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#toc338793_34">Questions and Additional Information</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">34</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><B><A HREF="#toc338793_35">PROPOSAL 1: THE MERGER AGREEMENT PROPOSAL</A></B></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">35</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><B><A HREF="#toc338793_36">PROPOSAL 2: THE MERGER-RELATED COMPENSATION PROPOSAL</A></B></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">36</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><B><A HREF="#toc338793_37">PROPOSAL 3: THE ADJOURNMENT PROPOSAL</A></B></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">37</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><B><A HREF="#toc338793_38">TRANSACTION SUMMARY</A></B></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">38</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:3.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#toc338793_39">Parties to the Transaction</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">38</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:3.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#toc338793_40">Description of the Transaction</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">38</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:3.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#toc338793_41">Background of the Transaction</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">39</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:3.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#toc338793_42">IEA Board Reasons for the Transaction and Recommendation </A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">48</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:3.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#toc338793_43">MasTec&#146;s Reasons for the Transaction</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">52</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:3.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#toc338793_44">Opinion of IEA&#146;s Financial Advisor</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">52</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:3.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#toc338793_45">IEA Management&#146;s Unaudited Prospective Financial
Information</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">62</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:3.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#toc338793_46">Interests of IEA&#146;s Directors and Executive Officers in the Transaction
</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">64</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR></TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">i </P>

</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>


<Center><DIV STYLE="width:8.5in" align="left">

<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">


<TR>

<TD WIDTH="96%"></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>

<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:3.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#toc338793_47">Material U.S. Federal Income Tax Consequences of the Merger</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">70</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:3.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#toc338793_48">Accounting Treatment of the Transaction</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">73</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:3.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#toc338793_49">Financing of the Transaction</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">73</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:3.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#toc338793_50">Appraisal Rights</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">74</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:3.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#toc338793_51">Listing of MasTec Shares to be Issued in the Merger</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">78</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:3.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#toc338793_52">Delisting and Deregistration of IEA Common Stock and IEA SPAC
Warrants</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">79</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><B><A HREF="#toc338793_53">THE AGREEMENTS</A></B></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">80</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:3.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#toc338793_54">Description of the Merger Agreement</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">80</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:3.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#toc338793_55">Transaction Structure </A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">80</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:3.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#toc338793_55a">Description of the Voting Agreements </A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">101</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><B><A HREF="#toc338793_56">DESCRIPTION OF MASTEC COMMON STOCK</A></B></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">103</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><B><A HREF="#toc338793_57">COMPARISON OF RIGHTS OF THE MASTEC SHAREHOLDERS AND THE IEA STOCKHOLDERS
</A></B></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">106</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><B><A HREF="#toc338793_58">FUTURE STOCKHOLDER PROPOSALS</A></B></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">110</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><B><A HREF="#toc338793_59">LEGAL MATTERS</A></B></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">111</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><B><A HREF="#toc338793_60">EXPERTS</A></B></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">112</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><B><A HREF="#toc338793_61">INCORPORATION OF CERTAIN DOCUMENTS BY REFERENCE</A></B></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">113</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><B><A HREF="#toc338793_62">WHERE YOU CAN FIND MORE INFORMATION</A></B></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">115</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
</TABLE> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">


<TR>

<TD WIDTH="19%"></TD>

<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD WIDTH="80%"></TD></TR>


<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"><B>ANNEXES</B></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">Annex&nbsp;A</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"><A HREF="#annxacov">Agreement and Plan of Merger, dated as of July&nbsp;24, 2022, by and among MasTec, Inc., Indigo Acquisition I Corp. and Infrastructure and Energy Alternatives, Inc. </A></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">Annex B</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"><A HREF="#annxb">Voting and Support Agreement, dated as of July&nbsp;24, 2022, by and among MasTec, Inc., Ares Special Situations Fund IV, L.P. and ASOF Holdings I, L.P. </A></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">Annex C</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"><A HREF="#annxc">Voting and Support Agreement, dated as of July&nbsp;24, 2022, by and among MasTec, Inc., John Paul Roehm and Roehm Living Trust. </A></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">Annex D</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"><A HREF="#annxd">Voting and Support Agreement, dated as of July&nbsp;24, 2022, by and between MasTec, Inc. and Derek Glanvill. </A></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">Annex E</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"><A HREF="#annxe">Opinion of Lazard Fr&egrave;res&nbsp;&amp; Co. LLC. </A></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">Annex F</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"><A HREF="#annxf">Section&nbsp;262 of the Delaware General Corporate Law. </A></TD></TR>
</TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">ii </P>

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<h5 align="left"><a href="#toc">Table of Contents</a></h5>


<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><A NAME="toc338793_1"></A>QUESTIONS AND ANSWERS ABOUT THE TRANSACTION AND THE SPECIAL
MEETING </B></P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The following are brief answers to common questions that you may have regarding the merger agreement, the transaction, the
consideration to be received in the transaction and the special meeting (as discussed below). The questions and answers in this section may not address all questions that might be important to you as an IEA stockholder. To better understand these
matters, and for a description of the legal terms governing the transaction, we urge you to read carefully and in its entirety this proxy statement/prospectus, including the Annexes to, and the documents incorporated by reference in, this proxy
statement/prospectus, as well as the registration statement to which this proxy statement/prospectus relates, including the exhibits to the registration statement. See &#147;Incorporation of Certain Documents by Reference&#148; beginning on page 113
and &#147;Where You Can Find More Information&#148; beginning on page 115. </P> <P STYLE="font-size:18pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><B><I>Q:</I></B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>What is the transaction? </I></B></P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">A:</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">On July&nbsp;24, 2022, MasTec, IEA and Indigo Acquisition I Corp., one of MasTec&#146;s wholly-owned
subsidiaries (referred to as &#147;Merger Sub&#148;), entered into the merger agreement. The merger agreement is attached to this proxy statement/prospectus as Annex A. The merger agreement provides for a merger with IEA, as a result of which IEA
will be acquired by MasTec. We sometimes refer to the merger and the other transactions contemplated by the merger agreement, taken as a whole, as the &#147;transaction.&#148; The merger will be effective after all of the conditions to the closing
of the transaction are satisfied or, to the extent permitted by law, waived, at the time a certificate of merger is filed with the Secretary of State of the State of Delaware or at such later time and date designated jointly by MasTec and IEA in the
certificate of merger (referred to as the &#147;effective time&#148;). </P></TD></TR></TABLE> <P STYLE="font-size:18pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><B><I>Q:</I></B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>What will I receive in the merger? </I></B></P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">A:</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">In the merger, each share of IEA common stock, par value $0.0001 per share (referred to as the &#147;IEA common
stock&#148;) issued and outstanding immediately prior to the effective time, will be converted into the right to receive (i) $10.50 in cash, without interest (referred to as the &#147;cash consideration&#148;) and (ii) 0.0483 of a share of
MasTec&#146;s common stock, par value $0.10 per share (referred to as the &#147;MasTec common stock&#148;, and such consideration referred to as the &#147;stock consideration&#148;). We refer to the cash consideration and the stock consideration
together as the &#147;merger consideration.&#148; We also refer to the 0.0483 of a share of MasTec common stock constituting the stock consideration as the &#147;exchange ratio.&#148; </P></TD></TR></TABLE>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman">No fractional shares of MasTec common stock will be issued in the merger. IEA stockholders will receive cash, without interest, in lieu of any
fractional shares. </P> <P STYLE="font-size:18pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><B><I>Q:</I></B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>Why am I receiving this document? </I></B></P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">A:</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">In order to complete the transaction, the IEA stockholders must vote upon and approve and adopt the merger
agreement and the merger at a special meeting. IEA will hold for this purpose a special meeting of its stockholders (referred to as the &#147;special meeting&#148;). We are sending you these materials to help you decide how to vote your shares with
respect to the matters to be considered at the special meeting. This proxy statement/prospectus contains important information about the transaction and the special meeting. You should read carefully and in its entirety this proxy
statement/prospectus, including the Annexes to, and the documents incorporated by reference in, this proxy statement/prospectus, as well as the registration statement to which this proxy statement/prospectus relates, including the exhibits to the
registration statement. The enclosed proxy or voting instruction cards allow you to authorize the voting of your shares without attending the special meeting. </P></TD></TR></TABLE>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman">Your vote is very important. We encourage you to submit a proxy or voting instructions as soon as possible. </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">1 </P>

</DIV></Center>


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<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>


<Center><DIV STYLE="width:8.5in" align="left">

<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><B><I>Q:</I></B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>What equity stake will the <FONT STYLE="white-space:nowrap">pre-transaction</FONT> IEA stockholders hold
of MasTec common stock after the closing of the transaction? </I></B></P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">A:</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">The merger will result in the <FONT STYLE="white-space:nowrap">pre-transaction</FONT> IEA stockholders owning
approximately 3.0% of the outstanding shares of MasTec common stock immediately following the closing of the transaction. </P></TD></TR></TABLE> <P STYLE="font-size:18pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><B><I>Q:</I></B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>What is the value of the merger consideration? </I></B></P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">A:</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Based on the closing price of <B>$</B>72.52 per share for the MasTec common stock on July 22, 2022, the last
trading day before the announcement of the execution of the merger agreement, the stock consideration had an implied value of $3.50. Adding this amount to the cash consideration of $10.50 results in an implied value for the merger consideration of
$14.00 per share of IEA common stock. The value of the merger consideration IEA stockholders will receive on the closing of the transaction will depend in part on the market value of the MasTec common stock immediately before the transaction is
completed. The market value at that time could vary significantly from the closing price for the MasTec common stock on July&nbsp;22, 2022. IEA stockholders are advised to obtain current market quotations for the MasTec common stock.
</P></TD></TR></TABLE> <P STYLE="font-size:18pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><B><I>Q:</I></B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>When do you expect the transaction to be completed? </I></B></P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">A:</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">The transaction is expected to close in the fourth quarter of 2022. However, the closing of the transaction is
subject to various conditions, including the approval and adoption of the merger agreement and the merger at the special meeting, as well as clearance under the Hart-Scott-Rodino Antitrust Improvements Act of 1976, as amended (referred to as the
&#147;HSR Act&#148;), the listing of the MasTec common stock to be issued in the merger on the New York Stock Exchange (referred to as the &#147;NYSE&#148;), and the absence of certain legal impediments to the consummation of the merger. No
assurance can be provided as to when or if the transaction will be completed, and it is possible that factors outside the control of MasTec and IEA could result in the transaction being completed at a later time, or not at all. See &#147;The
Agreements &#150; Transaction Structure &#150; Efforts to Consummate the Transaction&#148; beginning on page 94 and &#147;The Agreements &#150; Transaction Structure &#150; Conditions to Completion of the Merger&#148; beginning on page 99.
</P></TD></TR></TABLE> <P STYLE="font-size:18pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><B><I>Q:</I></B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>What are the conditions to the completion of the transaction? </I></B></P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">A:</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">In addition to the approval of the merger agreement by the IEA stockholders, completion of the merger is
subject to the satisfaction of a number of other conditions, including clearance under the HSR Act. For additional information on the regulatory approvals required to complete the merger, see &#147;Transaction Summary &#150; Regulatory Approvals
Required for the Merger,&#148; beginning on page 70 and &#147;The Agreements &#150; Transaction Structure &#150; Efforts to Consummate the Transaction,&#148; beginning on page 94. For additional information on the conditions to completion of the
merger, see &#147;The Agreements &#150; Transaction Structure &#150; Conditions to Completion of the Merger&#148; beginning on page 99. </P></TD></TR></TABLE> <P STYLE="font-size:18pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><B><I>Q:</I></B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>What effects will the merger have on IEA/MasTec? </I></B></P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">A:</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Upon completion of the merger, Merger Sub will be merged with and into IEA, as a result of which IEA will
become a wholly-owned subsidiary of MasTec. As a condition to closing, the shares of MasTec common stock issued in connection with the merger are expected to be approved for listing on the NYSE. </P></TD></TR></TABLE>
<P STYLE="font-size:18pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><B><I>Q:</I></B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>What if I hold IEA warrants? </I></B></P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">A:</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">The merger agreement provides that at the completion of the merger: </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">each warrant that is issued and outstanding or issuable under certain equity commitment agreements entered into
by IEA and the parties thereto and certain preferred stock exchange agreement entered into </P></TD></TR></TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">2 </P>

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<h5 align="left"><a href="#toc">Table of Contents</a></h5>


<Center><DIV STYLE="width:8.5in" align="left">

<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="9%">&nbsp;</TD>
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">
by IEA and the parties thereto (referred to as an &#147;anti-dilution warrant&#148;) will, immediately prior to the effective time, be cancelled and the registered holder thereof will be entitled
to receive (i)&nbsp;an amount in cash, without interest, equal to the product obtained by multiplying (x)&nbsp;the cash consideration and (y)&nbsp;the number of shares of IEA common stock then issuable upon exercise of the anti-dilution warrant and
(ii)&nbsp;a number of shares of MasTec common stock equal to product obtained by multiplying (x)&nbsp;the stock consideration and (y)&nbsp;the number of shares of IEA common stock then issuable upon exercise of the anti-dilution warrant, in each
case, as if the registered holder had exercised the anti-dilution warrant in full immediately prior to the effective time and acquired the applicable number of shares of IEA common stock then issuable thereunder as a result of such exercise;
</P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">each warrant that is subject to the <FONT STYLE="white-space:nowrap">Pre-Funded</FONT> Warrant, dated as of
August&nbsp;2, 2021, issued by IEA to ASOF Holdings I, L.P. (referred to as a <FONT STYLE="white-space:nowrap">&#147;pre-funded</FONT> warrant&#148;), that is outstanding as of immediately prior to the effective time will, at the effective time, be
deemed exercised in full as a &#147;cashless exercise&#148; and the holder thereof will be entitled to receive (i)&nbsp;an amount in cash, without interest, equal to the product obtained by multiplying (x)&nbsp;the cash consideration and
(y)&nbsp;the number of shares of IEA common stock then issuable upon exercise in full of the <FONT STYLE="white-space:nowrap">pre-funded</FONT> warrant as a &#147;cashless exercise,&#148; and (ii)&nbsp;a number of shares of MasTec common stock equal
to product obtained by multiplying (x)&nbsp;the stock consideration and (y)&nbsp;the number of shares of IEA common stock then issuable upon exercise in full of the <FONT STYLE="white-space:nowrap">pre-funded</FONT> warrant as a &#147;cashless
exercise,&#148; in each case, calculated in accordance with and subject to the terms and conditions of such the <FONT STYLE="white-space:nowrap">pre-funded</FONT> warrant; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">each outstanding warrant that is subject to the Warrant Agreement, dated as of March&nbsp;3, 2020, by and between
IEA and Continental Stock Transfer&nbsp;&amp; Trust Company, as warrant agent (referred to as the &#147;SPAC Warrant Agreement&#148; and such warrant referred to as a &#147;SPAC warrant&#148;), will, at the effective time, cease to represent a SPAC
warrant in respect of shares of IEA common stock and will become a SPAC warrant exercisable for the merger consideration. If a holder properly exercises a SPAC warrant within 30 days following the public disclosure of the consummation of the merger
pursuant to a current report on Form <FONT STYLE="white-space:nowrap">8-K,</FONT> the warrant price (as defined in the SPAC Warrant Agreement) with respect to such exercise will be reduced by an amount (in dollars) equal to the difference (but in no
event less than zero) of (i)&nbsp;the warrant price in effect prior to such reduction minus (ii)&nbsp;(x) the per share consideration (as defined in the SPAC Warrant Agreement) minus (y)&nbsp;the Black-Scholes warrant value (as defined in the SPAC
Warrant Agreement); and </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">each outstanding warrant that is subject to the Amended and Restated Warrant Agreement, dated as of
March&nbsp;26, 2018, by and between IEA and Continental Stock Transfer&nbsp;&amp; Trust Company, as warrant agent (referred to as a &#147;Series B warrant&#148;), will, immediately prior to the effective time, be cancelled and the registered holder
thereof will be entitled to receive (i)&nbsp;an amount in cash, without interest, equal to the product obtained by multiplying (x)&nbsp;the cash consideration and (y)&nbsp;the number of shares of IEA common stock then issuable upon exercise of the
Series B warrant and (ii)&nbsp;a number of shares of MasTec common stock equal to product obtained by multiplying (x)&nbsp;the stock consideration and (y)&nbsp;the number of shares of IEA common stock then issuable upon exercise of the Series B
warrant, in each case as if the registered holder had exercised the Series B warrant in full immediately prior to the effective time and acquired the applicable number of shares of IEA common stock then issuable thereunder as a result of such
exercise. </P></TD></TR></TABLE> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman">For more information concerning options and other equity compensation, see &#147;The Agreements &#150;
Transaction Structure &#150; Treatment of Stock Options, Warrants and Other Equity-Based Awards.&#148; </P> <P STYLE="font-size:18pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><B><I>Q:</I></B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>What if I hold IEA stock options or other equity awards? </I></B></P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">A:</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">The merger agreement provides that at the completion of the merger: </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">each IEA stock option, whether vested or unvested, that is outstanding immediately prior to the effective time,
will, at the effective time, be cancelled and converted into the right to receive: (i)&nbsp;an </P></TD></TR></TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">3 </P>

</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>


<Center><DIV STYLE="width:8.5in" align="left">

<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="9%">&nbsp;</TD>
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">
amount in cash (without interest, and subject to deduction for any required withholding tax) equal to the product of (x) 75% of the excess of $14.00 over the exercise price per share of IEA
common stock under such IEA stock option and (y)&nbsp;the number of shares of IEA common stock subject to such IEA stock option, and (ii)&nbsp;a number of shares of MasTec common stock equal to the product of (x)&nbsp;the product of (A) 25% of the
excess of $14.00 over the exercise price per share of IEA common stock under such IEA stock option and (B) 0.0138 and (y)&nbsp;the number of shares of IEA common stock subject to such IEA stock option, with any such cash payment to be paid and any
such shares of MasTec common stock to be issued to each holder promptly after the effective time, but in any event no later than the fifth business day after the effective time. Any IEA stock option with an exercise price per share as of the
effective time that is greater than or equal to $14.00 will be cancelled without any cash payment being made in respect thereof; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">each restricted stock unit that vests solely based on the passage of time with respect to IEA common stock,
whether vested or unvested, that is outstanding immediately prior to the effective time, will, at the effective time, be cancelled and converted into the right to receive (i)&nbsp;an amount in cash (without interest, and subject to deduction for any
required withholding tax) equal to the product obtained by multiplying (x)&nbsp;the cash consideration and (y)&nbsp;the number of shares of IEA common stock subject to such restricted stock unit and (ii)&nbsp;a number of shares of MasTec common
stock equal to the product obtained by multiplying (x)&nbsp;the stock consideration and (y)&nbsp;the number of shares of IEA common stock subject to such restricted stock unit, with any such cash payment to be paid and any such shares of MasTec
common stock to be issued to each holder promptly after the effective time, but in any event no later than the fifth business day after the effective time; and </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">each performance stock unit that vests in whole or in part based on the achievement of one or more performance
goals with respect to shares of IEA common stock, whether vested or unvested, that is outstanding immediately prior to the effective time, will, at the effective time, be cancelled and converted into the right to receive (i)&nbsp;an amount in cash
(without interest, and subject to deduction for any required withholding tax) equal to the product obtained by multiplying (x)&nbsp;the cash consideration and (y)&nbsp;the number of shares of IEA common stock subject to such performance stock unit
assuming the target level of performance is achieved and (ii)&nbsp;a number of shares of MasTec common stock equal to the product obtained by multiplying (x)&nbsp;the stock consideration and (y)&nbsp;the number of shares of IEA common stock subject
to such performance stock unit assuming the target level of performance is achieved, with any such cash payment to be paid and any such shares of MasTec common stock to be issued to each holder promptly after the effective time, but in any event no
later than the fifth business day after the effective time. </P></TD></TR></TABLE> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman">For more information concerning options and other equity
compensation, see &#147;The Agreements &#150; Transaction Structure &#150; Treatment of Stock Options, Warrants and Other Equity-Based Awards.&#148; </P> <P STYLE="font-size:18pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><B><I>Q:</I></B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>What are the material U.S. federal income tax consequences of the merger to me?
</I></B></P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">A:</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">The exchange of shares of IEA common stock by a stockholder for cash and shares of MasTec common stock in the
merger will be a taxable transaction for U.S. federal income tax purposes. Accordingly, any IEA stockholder that is a U.S. Holder (as defined in the section entitled &#147;Transaction Summary &#150; Material U.S. Federal Income Tax Consequences of
the Merger&#148;) generally will recognize gain or loss for U.S. federal income tax purposes in an amount equal to the difference, if any, between (1)&nbsp;the sum of the amount of cash and the fair market value as of the effective time of the
shares of MasTec common stock received in the merger and (2)&nbsp;the U.S. Holder&#146;s adjusted tax basis in the shares of IEA common stock exchanged in the merger. </P></TD></TR></TABLE>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman">An IEA stockholder that is a <FONT STYLE="white-space:nowrap">Non-U.S.</FONT> Holder (as defined in the section entitled &#147;Transaction
Summary &#150; Material U.S. Federal Income Tax Consequences of the Merger &#150; Non-U.S. Holders&#148;) generally will not be subject to U.S. federal income tax with respect to the exchange of shares of IEA common stock for cash and shares of
MasTec common stock in the merger unless such <FONT STYLE="white-space:nowrap">Non-U.S.</FONT> Holder has certain connections to the </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">4 </P>

</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>


<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman">
United States as described in &#147;Transaction Summary &#150; Material U.S. Federal Income Tax Consequences of the Merger &#150; Non-U.S. Holders&#148; </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman">Please carefully review the information set forth in the section &#147;Transaction Summary &#150; Material U.S. Federal Income Tax Consequences
of the Merger&#148; beginning on page 70 for a description of the material U.S. federal income tax consequences of the merger. The tax consequences of the merger will depend on your own situation. Please consult your own tax advisors as to the
specific tax consequences of the merger to you. </P> <P STYLE="font-size:18pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><B><I>Q:</I></B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>Are there any risks that I should consider in deciding whether to vote for the approval of the merger
agreement proposal? </I></B></P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">A:</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Yes. You should read and carefully consider the risks set forth in the section titled &#147;Risk Factors&#148;
beginning on page 24. You should also read and carefully consider the risks related to MasTec and IEA contained in the documents that are incorporated by reference into this proxy statement/prospectus. </P></TD></TR></TABLE>
<P STYLE="font-size:18pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><B><I>Q:</I></B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>What am I being asked to vote on? </I></B></P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">A:</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">You are being asked to vote upon the following proposals: </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="5%" VALIGN="top" ALIGN="left">1.</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>Proposal 1&#151;The Merger Agreement Proposal</I></B>: the proposal to adopt the merger agreement, which
is further described in the sections titled &#147;Summary &#150; Description of the Transaction and Background of the Transaction&#148; and &#147;The Agreements &#150; Description of the Merger Agreement&#148; and a copy of which is attached to this
proxy statement/prospectus as Annex A,<B> </B>and to approve the merger; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="5%" VALIGN="top" ALIGN="left">2.</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>Proposal 2&#151;The Merger-Related Compensation Proposal</I></B>: the proposal to approve on an advisory <FONT
STYLE="white-space:nowrap">(non-binding)</FONT> basis the compensation that may be paid or become payable to IEA&#146;s named executive officers that is based on or otherwise relates to the merger; and </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="5%" VALIGN="top" ALIGN="left">3.</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>Proposal 3&#151;The Adjournment Proposal</I></B>: the proposal to approve the adjournment of the special
meeting, if necessary, to solicit additional proxies if there are not sufficient votes to approve the merger agreement proposal. </P></TD></TR></TABLE> <P STYLE="font-size:18pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><B><I>Q:</I></B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>How does the IEA board of directors recommend that I vote at the special meeting?
</I></B></P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">A:</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">The IEA board of directors unanimously recommends that IEA stockholders vote &#147;<B>FOR</B>&#148; the merger
agreement proposal and &#147;<B>FOR</B>&#148; each of the other proposals described in this proxy statement/prospectus. </P></TD></TR></TABLE> <P STYLE="font-size:18pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><B><I>Q:</I></B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>What do I need to do now? </I></B></P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">A:</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">After carefully reading and considering the information contained in this proxy statement/prospectus, please
submit your proxy as soon as possible so that your shares of IEA common stock will be represented and voted at the special meeting. Please follow the instructions set forth on the proxy card or on the voting instruction card provided by the record
holder if your shares are held in &#147;street name&#148; by your bank, brokerage firm or other nominee. </P></TD></TR></TABLE> <P STYLE="font-size:18pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><B><I>Q:</I></B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>Should I send in my IEA stock certificates now? </I></B></P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">A:</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">No. <B><I>Please do not send in your IEA stock certificates with your proxy.</I></B> You will be sent materials
after the merger closes to effect the exchange of your IEA common stock for the merger consideration. </P></TD></TR></TABLE> <P STYLE="font-size:18pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><B><I>Q:</I></B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>When and where is the special meeting of the IEA stockholders? </I></B></P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">A:</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">The special meeting will be held on October 7, 2022, beginning at 8:00 a.m., Eastern time, unless postponed to
a later date, via live audio webcast at www.virtualshareholdermeeting.com/IEA2022SM. You will need the 16-digit control number provided on your proxy card or voting instruction card in order to participate in the special meeting.
</P></TD></TR></TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">5 </P>

</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>


<Center><DIV STYLE="width:8.5in" align="left">

<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><B><I>Q:</I></B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>Who can vote at the special meeting? </I></B></P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">A:</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Only IEA stockholders who held shares of record as of the close of business on September&nbsp;6, 2022, the
record date for the special meeting, are entitled to receive notice of and to vote at the special meeting. </P></TD></TR></TABLE> <P STYLE="font-size:18pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><B><I>Q:</I></B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>How many votes do I have? </I></B></P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">A:</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">You are entitled to one vote on each matter properly brought before the special meeting for each share of IEA
common stock you hold or beneficially own as of the close of business on the record date. As of the close of business on the record date, there were 48,644,324 shares of IEA common stock outstanding and owned by stockholders (i.e., excluding shares
of IEA common stock held in treasury by IEA) held by 33&nbsp;holders of record. </P></TD></TR></TABLE> <P STYLE="font-size:18pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><B><I>Q:</I></B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>What constitutes a quorum for the special meeting? </I></B></P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">A:</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">The presence of holders of shares representing at least a majority of the voting power of all outstanding
shares of capital stock of IEA entitled to vote at the special meeting, represented virtually or by proxy, constitutes a quorum. Stockholders choosing to abstain from voting and broker <FONT STYLE="white-space:nowrap">&#147;non-votes&#148;</FONT>
will be treated as present for purposes of determining whether a quorum is present, but will not be counted as votes cast &#147;FOR&#148; any matter. </P></TD></TR></TABLE> <P STYLE="font-size:18pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><B><I>Q:</I></B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>What vote is required to approve each proposal to be considered at the IEA special meeting?
</I></B></P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">A:</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">The votes required for each proposal are as follows: </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="5%" VALIGN="top" ALIGN="left">1.</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>Proposal 1&#151;The Merger Agreement Proposal</I></B>: <I></I>The affirmative vote, virtually or by
proxy, of holders of at least a majority of the outstanding shares of IEA common stock entitled to vote on the merger agreement proposal is required to approve the merger agreement proposal. </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="5%" VALIGN="top" ALIGN="left">2.</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>Proposal 2</I></B><B><I>&#151;</I></B><B><I>The Merger-Related Compensation Proposal</I></B>: The
affirmative vote of a majority of the votes cast by the stockholders present in person or represented at the special meeting, virtually or by proxy, and entitled to vote on the merger-related compensation proposal, is required to approve, on an
advisory <FONT STYLE="white-space:nowrap">(non-binding)</FONT> basis, the merger-related compensation proposal. </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="5%" VALIGN="top" ALIGN="left">3.</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>Proposal 3&#151;The Adjournment Proposal</I></B>: The affirmative vote of a majority of the votes cast by
the stockholders present in person or represented at the special meeting, virtually or by proxy, and entitled to vote on the adjournment proposal, is required to approve the adjounrment proposal. </P></TD></TR></TABLE>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman">As of September&nbsp;6, 2022, the record date, IEA directors and executive officers, as a group, owned and were entitled to vote
2,572,159&nbsp;shares of IEA common stock, or approximately 5.3% of the outstanding shares of IEA common stock. IEA currently expects that these directors and executive officers will vote their shares in favor of the merger agreement proposal and
each of the other proposals described in this proxy statement/prospectus, although none of them are obligated to do so, other than John Paul Roehm and Derek Glanvill. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman">Concurrently with the execution of the merger agreement, each of (i)&nbsp;Derek Glanvill (the current chairman and a member of the IEA board of
directors), (ii) John Paul Roehm (the current Chief Executive Officer and a member of the IEA board of directors) and Roehm Living Trust (collectively referred to as the &#147;Roehm stockholders&#148;) and (iii)&nbsp;Ares Special Situations Fund IV,
L.P. and ASOF Holdings I, L.P. (the foregoing entities listed in this clause (iii), collectively referred to as the &#147;Ares stockholders&#148;) entered into agreements with MasTec (referred to as the &#147;voting agreements&#148;) pursuant to
which each such party agreed, among other things and subject to the terms and conditions of the voting agreements, to vote the shares of IEA common stock held by such party in favor of the merger agreement proposal. See the section titled &#147;The
Agreements &#150; Description of the Voting Agreements.&#148; </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">6 </P>

</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>


<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman">As of September&nbsp;6, 2022, the record date, an aggregate of 16,772,434&nbsp;shares of IEA
common stock, or approximately 35% of the outstanding shares of IEA common stock, were subject to the voting agreements, which are attached to this proxy statement/prospectus as Annex B, Annex C and Annex D. </P>
<P STYLE="font-size:18pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><B><I>Q:</I></B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>How are proxies counted and what results from a failure to vote, abstention or broker <FONT
STYLE="white-space:nowrap">non-vote?</FONT> </I></B></P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">A:</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"></P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="5%" VALIGN="top" ALIGN="left">1.</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>Proposal 1&#151;The Merger Agreement Proposal</I></B>: Failures to vote, abstentions and broker <FONT
STYLE="white-space:nowrap">non-votes</FONT> will have the same effect as a vote &#147;AGAINST&#148; the merger agreement proposal. </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="5%" VALIGN="top" ALIGN="left">2.</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>Proposal 2&#151;The Merger-Related Compensation Proposal</I></B>: Assuming a quorum is present, failures
to vote, abstentions and broker <FONT STYLE="white-space:nowrap">non-votes</FONT> will have no effect on the outcome of the merger-related compensation proposal. </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="5%" VALIGN="top" ALIGN="left">3.</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>Proposal 3&#151;The Adjournment Proposal</I></B>: Abstentions and broker
<FONT STYLE="white-space:nowrap">non-votes</FONT> will have no effect on the outcome of the adjournment proposal. </P></TD></TR></TABLE> <P STYLE="font-size:18pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><B><I>Q:</I></B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>What will happen if the merger-related compensation proposal is not approved?
</I></B></P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">A:</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">The merger-related compensation proposal is advisory only and is not binding on IEA or MasTec, whether or not
the merger is completed. The vote on the merger-related compensation proposal is separate and apart from the vote to adopt the merger agreement and approve the merger and not a condition to the completion of the merger. If the merger is completed,
the merger-related compensation that is the subject of this proposal may be paid to IEA&#146;s named executive officers in accordance with the terms of their compensation agreements and arrangements even if the IEA stockholders fail to approve this
proposal. </P></TD></TR></TABLE> <P STYLE="font-size:18pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><B><I>Q:</I></B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>How do I vote or have my shares voted? </I></B></P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">A:</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">If you are a stockholder of record, you may vote virtually at the special meeting or vote by proxy using one of
the methods described below. Whether or not you plan to participate in the meeting, IEA urges you to vote by proxy to ensure your vote is counted. You may still participate in the special meeting and vote virtually even if you have already voted by
proxy. </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">To vote via the Internet, submit your proxy by using the Internet at proxyvote.com. Internet voting is available
24&nbsp;hours a day and will be accessible until 11:59 p.m., Eastern time, on October&nbsp;6, 2022, the day before the special meeting. </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">To vote by telephone, submit your proxy by using a touch-tone telephone at 1-800-690-6903. Telephone voting is
available 24 hours a day and will be accessible until 11:59&nbsp;p.m., Eastern time, on October&nbsp;6, 2022, the day before the special meeting. </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">To vote using the proxy card, simply complete, sign and return the enclosed proxy card in the postage-paid
envelope (if mailed in the United States) included with this proxy statement/prospectus. IEA stockholders who vote this way should mail the proxy card early enough so that it is received before the date of the special meeting. If you return your
signed proxy card to us before the special meeting, IEA will vote your shares as you direct. </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">To vote virtually at the special meeting, visit www.virtualshareholdermeeting.com/IEA2022SM and enter the
16-digit control number included on your proxy card or voting instruction card that accompanied your proxy materials. </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">If you are a beneficial owner of shares held in &#147;street name&#148; by your bank, brokerage firm or other
nominee, you should have received a voting instruction card with these proxy materials from that organization rather than from IEA. Follow the instructions from your bank, brokerage firm or other nominee to see which of the above choices are
available to you to ensure that your vote is counted. To vote virtually at the special meeting, you must obtain a legal proxy from your bank, brokerage firm or other nominee. </P></TD></TR></TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">7 </P>

</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>


<Center><DIV STYLE="width:8.5in" align="left">

<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><B><I>Q:</I></B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>How will my proxy be voted? </I></B></P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">A:</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">If you are a holder of record and submit your proxy via the Internet, by telephone or by completing, signing
and returning the enclosed proxy card, your shares will be voted in accordance with your instructions contained in the proxy. If you are a holder of record and submit your proxy without specifying how your shares should be voted on one or more
matters, your shares will be voted on those matters as the IEA board of directors recommends. </P></TD></TR></TABLE> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman">If you are a beneficial
owner, please refer to the instructions provided by your bank, brokerage firm or other nominee as to how to vote your shares. </P> <P STYLE="font-size:18pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><B><I>Q:</I></B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>How can I participate in the special meeting? </I></B></P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">A:</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">To virtually participate in the special meeting, visit www.virtualshareholdermeeting.com/IEA2022SM and enter
the 16-digit control number included on your proxy card or voting instruction card that accompanied your proxy materials. If you hold your shares in &#147;street name&#148; and wish to vote virtually at the special meeting, you must obtain a legal
proxy from your bank, brokerage firm or other nominee that holds your shares giving you the right to vote the shares at the special meeting. </P></TD></TR></TABLE>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman">Additional information on participating in the special meeting can be found under the section titled &#147;Information About the IEA Special
Meeting and Proposals.&#148; </P> <P STYLE="font-size:18pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><B><I>Q:</I></B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>Do I need to attend the special meeting virtually? </I></B></P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">A:</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">No. It is not necessary for you to attend the special meeting virtually in order to vote your IEA common stock.
If you are a stockholder of record as of the record date, you may vote by mail, by telephone or through the Internet, as described in more detail below. If you are a &#147;street name&#148; holder of IEA common stock, you must follow the voting
instructions provided to you by your bank, broker, trust or other nominee for your shares of IEA common stock to be voted at the special meeting, as described in more detail below. </P></TD></TR></TABLE>
<P STYLE="font-size:18pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><B><I>Q:</I></B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>If my shares are held in &#147;street name&#148; by my bank, brokerage firm or other nominee, will my
bank, brokerage firm or other nominee vote my shares for me? </I></B></P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">A:</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">No. If your shares are held in &#147;street name&#148; by your bank, brokerage firm or other nominee, you must
direct your bank, brokerage firm or other nominee on how to vote and you will receive instructions from your bank, brokerage firm or other nominee describing how to vote your shares of IEA common stock. The availability of Internet or telephonic
voting will depend on the nominee&#146;s voting process. Please check with your bank, brokerage firm or other nominee and follow the voting procedures your bank, brokerage firm or other nominee provides. </P></TD></TR></TABLE>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman">Under applicable stock exchange rules, your bank, brokerage firm or other nominee cannot vote your shares of IEA common stock on <FONT
STYLE="white-space:nowrap">&#147;non-routine&#148;</FONT> matters without your instructions. If you do not provide these instructions, a <FONT STYLE="white-space:nowrap">&#147;non-vote&#148;</FONT> occurs with respect to those matters. The merger
agreement proposal, the merger-related compensation proposal and the adjournment proposal will be considered <FONT STYLE="white-space:nowrap">&#147;non-routine&#148;</FONT> matters. Accordingly, if you do not provide your bank, brokerage firm or
other nominee instructions on how to vote your shares of IEA common stock at the special meeting, your bank, brokerage firm or other nominee generally will not be permitted to vote your shares on any of the proposals at the special meeting. IEA
strongly encourages you to provide voting instructions to your bank, brokerage firm or other nominee so that your vote will be counted on all matters. </P> <P STYLE="font-size:18pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><B><I>Q:</I></B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>What is the difference between holding shares as a stockholder of record and in &#147;street name&#148;?
</I></B></P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">A:</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">If your shares of IEA common stock are registered directly in your name with the transfer agent of IEA,
Continental Stock Transfer&nbsp;&amp; Trust Company, you are considered the stockholder of record with respect to </P></TD></TR></TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">8 </P>

</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>


<Center><DIV STYLE="width:8.5in" align="left">

<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top">
those shares. As the stockholder of record, you have the right to vote or to grant a proxy for your vote directly to IEA or to a third party to vote at the special meeting. </TD></TR></TABLE>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman">If your shares are held by a bank, brokerage firm or other nominee, you are considered the beneficial owner of shares held in &#147;street
name,&#148; and, for the purposes of this proxy statement/prospectus, a beneficial owner, and your bank, brokerage firm or other nominee is considered the stockholder of record with respect to those shares. If you are a beneficial owner, you have a
right to direct your bank, brokerage firm or other nominee on how to vote the shares held in your account. The availability of Internet or telephonic voting will depend on the nominee&#146;s voting process. Please check with your bank, brokerage
firm or other nominee and follow the voting procedures your bank, brokerage firm or other nominee provides. </P> <P STYLE="font-size:18pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><B><I>Q:</I></B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>What should I do if I receive more than one set of voting materials for the special meeting?
</I></B></P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">A:</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">You may receive more than one set of voting materials for the special meeting, including multiple copies of
this proxy statement/prospectus and multiple proxy cards or voting instruction cards. For example, if you hold your IEA common stock in more than one brokerage account, you will receive a separate voting instruction card for each brokerage account
in which you hold shares. If you are a stockholder of record and your shares are registered in more than one name, you will receive more than one proxy card. Please submit each separate proxy card or voting instruction card that you receive by
following the instructions set forth in each separate proxy card or voting instruction card. </P></TD></TR></TABLE> <P STYLE="font-size:18pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><B><I>Q:</I></B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>What do I do if I am an IEA stockholder and I want to revoke my proxy? </I></B></P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">A:</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Stockholders of record may revoke their proxies at any time prior to the voting at the special meeting in any
of the following ways: </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">signing and delivering a new proxy relating to the same shares and bearing a later date than the original proxy;
</P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">sending a signed, written notice of revocation, which is dated later than the date of the proxy and states that
the proxy is revoked, to Attention: Corporate Secretary, Infrastructure and Energy Alternatives, Inc. Legal Department, 6325 Digital Way, Suite 460, Indianapolis, Indiana 46278; or </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">participating in the special meeting and voting virtually. </P></TD></TR></TABLE>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman">Participation in the virtual special meeting will not, however, in and of itself, constitute a vote or revocation of a prior proxy. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman">Beneficial owners of shares held in &#147;street name&#148; may change their voting instructions only by following the directions received from
their bank, brokerage firm or other nominee for changing their voting instructions. </P> <P STYLE="font-size:18pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><B><I>Q:</I></B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>What happens if I sell my shares of IEA common stock before the special meeting?
</I></B></P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">A:</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">The record date is earlier than both the date of the special meeting and the closing of the merger. If you
transfer your shares of IEA common stock after the record date but before the special meeting, you will, unless the transferee requests a proxy from you, retain your right to vote at the special meeting but will transfer the right to receive the
merger consideration to the person to whom you transfer your shares. In order to receive the merger consideration, you must hold your shares upon completion of the merger. </P></TD></TR></TABLE>
<P STYLE="font-size:18pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><B><I>Q:</I></B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>Do IEA stockholders have appraisal rights? </I></B></P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">A:</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Yes. IEA stockholders are entitled to appraisal rights under Section&nbsp;262 of the General Corporation Law of
the State of Delaware (referred to as the &#147;DGCL&#148;) in connection with the merger, provided they follow the procedures and satisfy the conditions set forth in Section&nbsp;262 of the DGCL. For more information regarding
</P></TD></TR></TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">9 </P>

</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>


<Center><DIV STYLE="width:8.5in" align="left">

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<TD ALIGN="left" VALIGN="top">
appraisal rights, see the section titled &#147;Transaction Summary &#150; Appraisal Rights.&#148; In addition, a copy of Section&nbsp;262 of the DGCL is attached as Annex F to this proxy
statement/prospectus. Failure to strictly comply with Section&nbsp;262 of the DGCL may result in your waiver of, or inability to, exercise appraisal rights. </TD></TR></TABLE> <P STYLE="font-size:18pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><B><I>Q:</I></B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>Who will solicit and pay the cost of soliciting proxies? </I></B></P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">A:</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">IEA will pay for the proxy solicitation costs related to the special meeting. IEA has engaged D.F.
King&nbsp;&amp; Co., Inc. to assist in the solicitation of proxies for the special meeting. IEA estimates that it will pay D.F. King&nbsp;&amp; Co., Inc. a fee of approximately $15,000, plus reasonable <FONT STYLE="white-space:nowrap"><FONT
STYLE="white-space:nowrap">out-of-pocket</FONT></FONT> expenses. IEA will also reimburse banks, brokerage firms, custodians, trustees, nominees and fiduciaries who hold shares for the benefit of another party for their expenses incurred in sending
proxies and proxy materials to beneficial owners of IEA common stock. IEA&#146;s directors, officers and employees also may solicit proxies in person by telephone or over the Internet. They will not be paid any additional amounts for soliciting
proxies. </P></TD></TR></TABLE> <P STYLE="font-size:18pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><B><I>Q:</I></B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>How can I find more information about MasTec and IEA? </I></B></P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">A:</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">You can find more information about MasTec and IEA from various sources described in the section titled
&#147;Where You Can Find More Information.&#148; </P></TD></TR></TABLE> <P STYLE="font-size:18pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><B><I>Q:</I></B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>Who can answer any questions I may have about the special meeting or the proxy materials?
</I></B></P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">A:</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">If you have any questions about the special meeting, the merger, the proposals or this proxy
statement/prospectus, would like additional copies of the proxy statement/prospectus, need to obtain proxy cards or other information related to this proxy solicitation or need help submitting a proxy or voting your shares of IEA common stock, you
should contact: </P></TD></TR></TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>Infrastructure and Energy Alternatives, Inc. </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">6325 Digital Way, Suite 460, </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">Indianapolis, Indiana 46278 </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><FONT
STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">(765)-828-2707</FONT></FONT> </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">Attention: Investor Relations </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>or </B></P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">D.F. King&nbsp;&amp;
Co., Inc. </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">48 Wall Street, 22nd Floor </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">New York, New York 10005 </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">Banks and
Brokers may call: (212) <FONT STYLE="white-space:nowrap">269-5550</FONT> </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">Stockholders may call toll free: (866) <FONT
STYLE="white-space:nowrap">796-3441</FONT> </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">IEA@dfking.com </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">10 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><A NAME="toc338793_2"></A>SUMMARY </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><I>This summary highlights selected information contained elsewhere in this proxy statement/prospectus and may not contain all the information
that may be important to you. Accordingly, we encourage you to read this proxy statement/prospectus carefully and in its entirety, including the Annexes to, and the documents incorporated by reference in, this proxy statement/prospectus, and the
registration statement to which this proxy statement/prospectus relates, including the exhibits thereto. The page references have been included in this summary to direct you to a more complete description of the topics presented below. See also the
section entitled &#147;Where You Can Find More Information&#148; beginning on page 115. </I></P> <P STYLE="margin-top:18pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><I>References to &#147;MasTec&#148; are
references to MasTec, Inc. References to &#147;IEA&#148; are references to Infrastructure and Energy Alternatives, Inc. References to &#147;we&#148; or &#147;our&#148; and other first person references in this proxy statement/prospectus refer to
both MasTec and IEA, before closing of the transaction. References to &#147;Merger Sub&#148; are references to Indigo Acquisition I Corp., a wholly-owned subsidiary of MasTec. References to the &#147;transaction,&#148; unless the context requires
otherwise, means the transactions contemplated by the merger agreement, taken as a whole. </I></P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><A NAME="toc338793_3"></A>Parties to the Transaction
(Page 38) </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:2%; font-size:10pt; font-family:Times New Roman"><B><I>MasTec, Inc. </I></B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">MasTec, a Florida corporation, is a leading infrastructure construction company operating mainly throughout North America across a range of
industries. MasTec&#146;s primary activities include the engineering, building, installation, maintenance and upgrade of communications, energy, utility and other infrastructure, such as: power delivery services, including transmission and
distribution, wireless, wireline/fiber and customer fulfillment activities; power generation, primarily from clean energy and renewable sources; pipeline infrastructure, including natural gas pipeline and distribution infrastructure; heavy civil;
and industrial infrastructure. MasTec&#146;s customers are primarily in these industries. Including MasTec&#146;s predecessor companies, MasTec has been in business for over 90 years. For the twelve month period ended June&nbsp;30, 2022, MasTec had
an average of approximately 710 locations and approximately 27,000 employees, and as of June&nbsp;30, 2022, MasTec had approximately 750 locations and 30,000 employees. MasTec offers its services under the MasTec<SUP
STYLE="font-size:75%; vertical-align:top">&reg;</SUP> and other service marks. MasTec has been consistently ranked among the top specialty contractors by Engineering News-Record for the past several years. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">MasTec&#146;s common stock is listed on the New York Stock Exchange under the symbol &#147;MTZ.&#148; MasTec maintains its principal executive
and management office at 800 S. Douglas Road, 12th Floor, Coral Gables, Florida, 33134, and its telephone number is <FONT STYLE="white-space:nowrap">(305)&nbsp;599-1800.</FONT> MasTec&#146;s website address is www.mastec.com. MasTec does not intend
for information contained on or accessible through its website to be part of this proxy statement/prospectus, other than documents that MasTec files with the SEC that are specifically incorporated by reference in this proxy statement/prospectus.
</P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">This proxy statement/prospectus incorporates important business and financial information about MasTec from other documents that are not
included in or delivered with this proxy statement/prospectus. For a list of the documents that are incorporated by reference, see &#147;Where You Can Find More Information&#148; beginning on page&nbsp;115 of this proxy statement/prospectus and
&#147;Incorporation of Certain Documents by Reference&#148; beginning on page 113 of this proxy statement/prospectus. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; margin-left:2%; font-size:10pt; font-family:Times New Roman"><B><I>Infrastructure and Energy Alternatives, Inc. </I></B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Infrastructure and Energy Alternatives, Inc., a Delaware corporation (referred to as &#147;IEA&#148;) is a holding company that, through
various subsidiaries, is a leading diversified infrastructure construction company with </P>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">
specialized energy and heavy civil expertise throughout the United States. IEA was founded in 1947 as White Construction and became a public company in March 2018 when it merged with a special
purpose acquisition company. IEA&#146;s common stock trades on the Nasdaq Global Select Market under the symbol &#145;&#145;IEA&#146;&#146;. The corporate headquarters of IEA are located at 6325 Digital Way, Suite 460, Indianapolis, Indiana 46278,
and its telephone number is (800) <FONT STYLE="white-space:nowrap">688-3775.</FONT> </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; margin-left:2%; font-size:10pt; font-family:Times New Roman"><B><I>Indigo Acquisition I Corp. </I></B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Indigo Acquisition I Corp., a Delaware corporation and a wholly owned subsidiary of MasTec, was formed solely for the purpose of consummating
the merger of Merger Sub with and into IEA, as provided for in the merger agreement. Merger Sub has not carried on any activities to date, except for activities incidental to its formation and activities undertaken in connection with the
transactions contemplated by the merger agreement. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Indigo Acquisition I Corp.&#146;s office is located at 800 S. Douglas Road, 12th
Floor, Coral Gables, Florida 33134, and its telephone number is (305) <FONT STYLE="white-space:nowrap">599-1800.</FONT> </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><A NAME="toc338793_4"></A>Description of the Transaction and Background of the Transaction (Page 38) </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On July&nbsp;24, 2022, MasTec, IEA and Merger Sub entered into the merger agreement, pursuant to which Merger Sub will merge with and into IEA,
as a result of which IEA will be acquired by MasTec. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">In the merger, each share of IEA common stock issued and outstanding immediately
prior to the effective time will be converted into the right to receive (i) $10.50 in cash, without interest and (ii) 0.0483 of a share of MasTec&#146;s common stock, par value $0.10 per share. No fractional shares of MasTec common stock will be
issued in the merger. IEA stockholders will receive cash, without interest, in lieu of any fractional shares. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">For a description of the
treatment of stock options, warrants and other equity awards of IEA, see &#147;The Agreements &#150; Transaction Structure &#150; Treatment of Stock Options, Warrants and Other Equity-Based Awards.&#148; </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><A NAME="toc338793_5"></A>IEA Board Reasons for the Transaction and Recommendation (Page 48) </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">At its July&nbsp;24, 2022 meeting held to evaluate the merger, the IEA board of directors unanimously (i)&nbsp;determined that the terms of the
merger agreement and the transactions contemplated thereby, including the merger, are fair to, and in the best interests of, IEA and its stockholders, (ii)&nbsp;determined that it is in the best interests of IEA and its stockholders, and declared it
advisable, to enter into the merger agreement, (iii)&nbsp;approved the execution and delivery by IEA of the merger agreement, the performance by IEA of its covenants and agreements contained therein and the consummation of the merger and the other
transactions contemplated by the merger agreement upon the terms and subject to the conditions set forth in the merger agreement and (iv)&nbsp;resolved to recommend that the IEA stockholders vote to adopt the merger agreement. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B>The IEA board of directors unanimously recommends that IEA stockholders vote &#147;FOR&#148; the merger agreement proposal, &#147;FOR&#148;
the merger-related compensation proposal, and &#147;FOR&#148; the adjournment proposal. </B></P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">In evaluating the merger and the merger
agreement and arriving at its determination, the IEA board of directors consulted with IEA&#146;s senior management, IEA&#146;s financial advisor, Lazard Fr&egrave;res&nbsp;&amp; Co. LLC (referred to as &#147;Lazard&#148;), and IEA&#146;s outside
legal counsel, and considered a number of substantive factors, both positive and negative, and potential benefits and detriments of the merger to IEA and its stockholders, as described in more detail in the section titled &#147;Transaction Summary
&#150; IEA&#146;s Reasons for the Transaction and Recommendation of the IEA Board.&#148; </P>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><A NAME="toc338793_6"></A>Opinion of IEA&#146;s Financial Advisor (Page 52) </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">IEA retained Lazard to act as its financial advisor in connection with the merger. In connection with this engagement, the IEA board of
directors requested that Lazard evaluate the fairness, from a financial point of view, to holders of IEA common stock (other than (i)&nbsp;shares held in the treasury of IEA or owned, directly or indirectly, by MasTec, Merger Sub, IEA or any
wholly-owned subsidiary of IEA immediately prior to the effective time and (ii)&nbsp;shares held by a holder who did not vote in favor of the adoption of the merger agreement and has properly exercised appraisal rights in respect of such shares in
accordance with Section&nbsp;262 of the General Corporation Law of the State of Delaware (such holders described in clauses (i)&nbsp;and (ii), together with the Supporting Stockholders (as defined in the merger agreement), collectively referred to
as &#147;excluded holders&#148;)) of the merger consideration to be paid to such holders in the merger. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On July&nbsp;24, 2022, Lazard
rendered to the IEA board of directors an oral opinion, which was subsequently confirmed in writing by delivery of Lazard&#146;s written opinion, dated as of the same date, to the effect that, as of such date, and based upon and subject to the
assumptions made, procedures followed, matters considered and qualifications and limitations set forth in Lazard&#146;s written opinion, the merger consideration to be paid to holders of IEA common stock (other than excluded holders) in the merger
was fair, from a financial point of view, to such holders. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The full text of Lazard&#146;s written opinion to the IEA board of directors,
dated July&nbsp;24, 2022, which sets forth, among other things, the assumptions made, procedures followed, matters considered and qualifications and limitations on the review undertaken by Lazard in connection with its opinion, is attached to this
proxy statement/prospectus as Annex E and is incorporated by reference herein in its entirety. The summary of Lazard&#146;s opinion set forth in the section entitled &#147;Transaction Summary &#150; Opinion of IEA&#146;s Financial Advisor&#148; is
qualified in its entirety by reference to the full text of the opinion. You are encouraged to read Lazard&#146;s opinion and that section carefully and in their entirety. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Lazard&#146;s engagement and its opinion were for the benefit of the IEA board of directors (in its capacity as such), and Lazard&#146;s
opinion was rendered to the IEA board of directors in connection with the IEA board of directors&#146; evaluation of the merger and addressed only the fairness as of the date of the opinion, from a financial point of view, to holders of IEA common
stock (other than excluded holders) of the merger consideration to be paid to such holders in the merger. Lazard&#146;s opinion did not address the relative merits of the merger as compared to any other transaction or business strategy in which IEA
might engage or the merits of the underlying decision by IEA to engage in the merger. Lazard&#146;s opinion was not intended to, and does not, constitute a recommendation to any stockholder as to how such stockholder should vote or act with respect
to the merger or any matter relating thereto. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">For a summary of Lazard&#146;s opinion and the methodology that Lazard used to render its
opinion, see the section entitled &#147;Transaction Summary &#150; Opinion of IEA&#146;s Financial Advisor&#148; beginning on page 52 of this proxy statement/prospectus. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Information About the IEA Special Meeting and Proposals (Page 30) </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:2%; font-size:10pt; font-family:Times New Roman"><B><I>Purposes of the Special Meeting </I></B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">At the special meeting, IEA stockholders will be asked to vote upon the following proposals: </P>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the merger agreement proposal; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the merger-related compensation proposal; and </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the adjournment proposal. </P></TD></TR></TABLE>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:2%; font-size:10pt; font-family:Times New Roman"><B><I>Record Date </I></B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The record date for the determination of stockholders entitled to notice of and to vote at the special meeting is September 6, 2022 (referred
to as the &#147;record date&#148;). Only IEA stockholders who held shares of record as of the close of business on the record date are entitled to receive notice of and vote at the special meeting and any adjournment or postponement of the special
meeting, as long as such shares remain outstanding on the date of the special meeting. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; margin-left:2%; font-size:10pt; font-family:Times New Roman"><B><I>Required Vote </I></B></P>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt"><I>Proposal 1&#151;The Merger Agreement Proposal</I>. The affirmative vote, virtually or by proxy, of holders of
at least a majority of the outstanding shares of IEA common stock entitled to vote on the merger agreement proposal is required to approve the merger agreement proposal. </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt"><I>Proposal 2&#151;The Merger-Related Compensation Proposal</I>. The affirmative vote of a majority of the votes
cast by the stockholders present in person or represented at the special meeting, virtually or by proxy, and entitled to vote on the merger-related compensation proposal, is required to approve, on an advisory
<FONT STYLE="white-space:nowrap">(non-binding)</FONT> basis, the merger-related compensation proposal. </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt"><I>Proposal 3&#151;The Adjournment Proposal</I>. The affirmative vote of a majority of the votes cast by the
stockholders present in person or represented at the special meeting, virtually or by proxy, and entitled to vote on the adjournment proposal, is required to approve, the adjounrment proposal. </P></TD></TR></TABLE>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">As of the record date, IEA directors and executive officers, as a group, owned and were entitled to vote 2,572,159&nbsp;shares of IEA common
stock, or approximately 5.3% of the outstanding shares of IEA common stock. IEA currently expects that these directors and executive officers will vote their shares in favor of approving the merger agreement proposal and each of the other proposals
described in this proxy statement/prospectus, although none of them are obligated to do so, other than Derek Glanvill and John Paul Roehm. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Concurrently with the execution of the merger agreement, each of (i)&nbsp;the Ares stockholders, (ii)&nbsp;the Roehm stockholders and
(iii)&nbsp;Derek Glanvill have agreed to vote all of the shares of IEA common stock held by them (representing in the aggregate approximately 35% of the total outstanding shares of IEA common stock as of the record date) in favor of the merger
agreement proposal, as described in more detail in the section titled &#147;The Agreements &#150; Description of the Voting Agreements.&#148; </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Treatment of IEA Equity Awards (Page 81) </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:2%; font-size:10pt; font-family:Times New Roman"><B><I>Treatment of Stock Options </I></B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">At the effective time of the merger, each outstanding IEA stock option will become vested and will be cancelled in exchange for the right of
the holder to receive (i)&nbsp;an amount in cash equal to the product of (x) 75% of the excess of $14.00 over the exercise price per share of IEA common stock under such IEA stock option and (y)&nbsp;the number of shares of IEA common stock subject
to such IEA stock option and (ii)&nbsp;a number of shares of MasTec common stock equal to the product of (x)&nbsp;the product of (A) 25% of the excess of $14.00 over the exercise price per share of IEA common stock under such IEA stock option and
(B) 0.0138 and (y)&nbsp;the number of shares of IEA common stock subject to such IEA stock option. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; margin-left:2%; font-size:10pt; font-family:Times New Roman"><B><I>Treatment of Restricted Stock
Units </I></B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">At the effective time of the merger: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">each then-outstanding restricted stock unit with respect to the IEA common stock that vests solely based on the
passage of time shall be cancelled and, in exchange therefor, the former holder shall </P></TD></TR></TABLE>
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receive (i)&nbsp;an amount in cash equal to the product obtained by multiplying (x)&nbsp;the cash consideration and (y)&nbsp;the number of shares of IEA common stock subject to such restricted
stock unit and (ii)&nbsp;a number of shares of MasTec common stock equal to the product obtained by multiplying (x)&nbsp;the stock consideration and (y)&nbsp;the number of shares of IEA common stock subject to such restricted stock unit;
</P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">each then-outstanding restricted stock unit with respect to the IEA common stock that vests whole or in part
based on the achievement of one or more performance goals shall be cancelled and, in exchange therefor, the former holder shall receive (i)&nbsp;an amount in cash equal to the product obtained by multiplying (x)&nbsp;the cash consideration and
(y)&nbsp;the number of shares of IEA common stock subject to such restricted stock unit (assuming the target level of performance is achieved) and (ii)&nbsp;a number of shares of MasTec common stock equal to the product obtained by multiplying
(x)&nbsp;the stock consideration and (y)&nbsp;the number of shares of IEA common stock subject to such restricted stock unit (assuming the target level of performance is achieved). </P></TD></TR></TABLE>
<P STYLE="margin-top:18pt; margin-bottom:0pt; margin-left:2%; font-size:10pt; font-family:Times New Roman"><B><I>Employee Stock Purchase Plan </I></B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Pursuant to the terms of the merger agreement, IEA took all actions necessary pursuant to the terms of IEA&#146;s employee stock purchase plan,
as amended (referred to as the &#147;ESPP&#148;), to terminate the ESPP effective as of IEA&#146;s entry into the merger agreement. IEA will return to each participant the funds, if any, that remain in such participant&#146;s account that have not
been used to purchase IEA common stock. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Treatment of IEA Warrants (see Page 81) </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Each outstanding anti-dilution warrant will be cancelled and the registered holder thereof will be entitled to receive (i)&nbsp;an amount in
cash, without interest, equal to the product obtained by multiplying (x)&nbsp;the cash consideration and (y)&nbsp;the number of shares of MasTec common stock then issuable upon exercise of the anti-dilution warrant and (ii)&nbsp;a number of shares
of MasTec common stock equal to product obtained by multiplying (x)&nbsp;the stock consideration and (y)&nbsp;the number of shares of MasTec common stock then issuable upon exercise of the anti-dilution warrant, in each case, as if the registered
holder had exercised the anti-dilution warrant in full immediately prior to the effective time and acquired the applicable number of shares of IEA common stock then issuable thereunder as a result of such exercise. An additional 0.8&nbsp;million
Anti-Dilution Warrants will be issuable in connection with the merger. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Each <FONT STYLE="white-space:nowrap">pre-funded</FONT> warrant
that is outstanding as of immediately prior to the effective time, will be deemed exercised in full as a &#147;cashless exercise&#148; and the holder thereof will be entitled to receive (i)&nbsp;an amount in cash, without interest, equal to the
product obtained by multiplying (x)&nbsp;the cash consideration and (y)&nbsp;the number of shares of MasTec Common Stock then issuable upon exercise in full of the <FONT STYLE="white-space:nowrap">pre-funded</FONT> warrant as a &#147;cashless
exercise,&#148; and (ii)&nbsp;a number of shares of MasTec common stock equal to product obtained by multiplying (x)&nbsp;the stock consideration and (y)&nbsp;the number of shares of IEA common stock then issuable upon exercise in full of the <FONT
STYLE="white-space:nowrap">pre-funded</FONT> warrant as a &#147;cashless exercise,&#148; in each case, calculated in accordance with and subject to the terms and conditions of such <FONT STYLE="white-space:nowrap">pre-funded</FONT> warrant. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Each outstanding SPAC warrant will cease to represent a SPAC warrant in respect of shares of IEA common stock and will become a SPAC warrant
exercisable for the merger consideration. If a holder properly exercises a SPAC warrant within 30 days following the public disclosure of the consummation of the merger pursuant to a current report on Form
<FONT STYLE="white-space:nowrap">8-K,</FONT> the warrant price (as defined in the SPAC Warrant Agreement) with respect to such exercise will be reduced by an amount (in dollars) equal to the difference (but in no event less than zero) of
(a)&nbsp;the warrant price in effect prior to such reduction minus (b)&nbsp;(i) the per share consideration (as defined in the SPAC Warrant Agreement) minus (ii)&nbsp;the Black-Scholes warrant value (as defined in the SPAC Warrant Agreement). </P>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Each outstanding Series B warrant will be cancelled and the registered holder thereof will
be entitled to receive (i)&nbsp;an amount in cash, without interest, equal to the product obtained by multiplying (x)&nbsp;the cash consideration and (y)&nbsp;the number of shares of IEA common stock then issuable upon exercise of the Series B
warrant and (ii)&nbsp;a number of shares of MasTec common stock equal to product obtained by multiplying (x)&nbsp;the stock consideration and (y)&nbsp;the number of shares of IEA common stock then issuable upon exercise of the Series B warrant, in
each case as if the registered holder had exercised the Series B warrant in full immediately prior to the effective time and acquired the applicable number of shares of IEA common stock then issuable thereunder as a result of such exercise. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Interests of IEA&#146;s Directors and Executive Officers in the Transaction (Page 64) </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">When considering the recommendation of the IEA board of directors with respect to the merger, you should be aware that IEA&#146;s directors and
executive officers may have interests in the merger that are different from, or in addition to, those of IEA stockholders more generally. The IEA board of directors was aware of these interests and considered them, among other matters, in evaluating
and negotiating the merger agreement, in reaching its decision to approve the merger agreement and the consummation of the merger and in recommending that IEA stockholders vote in favor of the merger agreement proposal. These interests include,
among others, the treatment of outstanding IEA equity awards in connection with the merger and certain potential severance payments in connection with the merger and a qualifying termination of employment upon or following the merger, as described
in more detail in the section titled &#147;Transaction Summary &#150; Interests of IEA&#146;s Directors and Executive Officers in the Transaction.&#148; </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Comparison of Rights of the MasTec Shareholders and the IEA Stockholders (Page 106) </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The rights of the holders of MasTec&#146;s common stock are governed by MasTec&#146;s current articles of incorporation and bylaws, as well as
the Florida Business Corporation Act (referred to as the &#147;FBCA&#148;). The rights of the IEA stockholders are governed by IEA&#146;s current certificate of incorporation and bylaws, as well as the DGCL. Upon closing of the transaction, the
rights of the IEA stockholders will be governed by MasTec&#146;s articles of incorporation and bylaws, as well as the FBCA, and will differ in some respects from their rights under IEA&#146;s certificate of incorporation and bylaws and the DGCL. For
more information regarding a comparison of such rights, see &#147;Comparison of Rights of the MasTec Shareholders and the IEA Stockholders&#148; on page 106. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><A NAME="toc338793_7"></A>Description of the Merger Agreement (Page 80) </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I>Conditions to Completion of the Merger (See Page 99) </I></B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The merger agreement contains customary closing conditions, including the following conditions that apply to the obligations of both IEA and
MasTec to consummate the transactions: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">IEA stockholders&#146; approval of the merger; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">receipt of certain regulatory approvals, including the expiration or termination of the waiting period applicable
to the merger under the HSR Act or under any applicable timing agreements entered into with IEA&#146;s consent with any governmental entity to extend any waiting period, and the approval for listing by the NYSE of the MasTec common stock to be
issued in the merger; and </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the absence of certain legal impediments to the consummation of the merger. </P></TD></TR></TABLE>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">In addition to the foregoing conditions, MasTec&#146;s and Merger Sub&#146;s obligations to consummate the merger are subject to the
satisfaction or waiver of the following conditions: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the accuracy of the representations and warranties of IEA (with certain exceptions for inaccuracies that are de
minimis, that are not material or that would not, individually or in the aggregate, reasonably be expected to have a material adverse effect on IEA and its subsidiaries, taken as a whole); </P></TD></TR></TABLE>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the performance in all material respects of IEA with its obligations in the merger agreement; and
</P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">there not having been any event, change, occurrence or effect since July&nbsp;24, 2022 that, individually or in
the aggregate, together with all other events, changes, occurrences or effects, has had a material adverse effect on IEA and its subsidiaries, taken as a whole, that is continuing. </P></TD></TR></TABLE>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">In addition to the foregoing conditions, IEA&#146;s obligations to consummate the merger are subject to the satisfaction or waiver of the
following conditions: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
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<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the accuracy of the representations and warranties of MasTec and Merger Sub (with certain exceptions for
inaccuracies that are de minimis, that are not material or that, individually or in the aggregate, would not reasonably be expected to have a material adverse effect on MasTec and its subsidiaries, taken as a whole); </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
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<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the performance in all material respects of MasTec and Merger Sub with their respective obligations in the merger
agreement; and </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
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<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">there not having been any event, change, occurrence or effect since July&nbsp;24, 2022 that, individually or in
the aggregate, together with all other events, changes, occurrences or effects, has had any material adverse effect on MasTec and its subsidiaries, taken as a whole, that is continuing. </P></TD></TR></TABLE>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I>Acquisition Proposals (See Page 90) </I></B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">As more fully described in this proxy statement/prospectus and as set forth in the merger agreement, IEA has agreed, among other things, not
to: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">initiate, solicit or knowingly encourage any inquiries, proposals or offers with respect to, or the making or
completion of, an alternative acquisition proposal or the making of any proposal that would reasonably be expected to lead to an alternative acquisition proposal; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">furnish any nonpublic information regarding IEA or any of its subsidiaries or afford access to the business,
properties, assets, employees, consultants, books or records of IEA or any of its subsidiaries to any person that is reasonably expected to make, or has made, an alternative acquisition proposal; and </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">subject to certain exceptions, engage or participate in any negotiations or discussions concerning, or provide or
cause to be provided any nonpublic information or data relating to IEA or any of its subsidiaries in connection with, an alternative acquisition proposal. </P></TD></TR></TABLE>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Prior to the time that IEA receives stockholder approval of the merger proposal: </P>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the IEA board may, in response to an unsolicited bona fide written alternative acquisition proposal, determine in
good faith, after consultation with IEA&#146;s financial advisor and outside legal counsel, that such acquisition proposal constitutes or would reasonably be expected to lead to a superior proposal. IEA may then furnish information with respect to
IEA and its subsidiaries to the person making the proposal pursuant to a customary confidentiality agreement on terms substantially similar to those contained in that certain confidentiality agreement between IEA and MasTec, subject to certain
exceptions, and participate in discussions or negotiations with such person and its representatives regarding such proposal, subject to the terms of the merger agreement; and </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">IEA may, subject to compliance with certain obligations set forth in the merger agreement, including the payment
of a termination fee to MasTec, terminate the merger agreement to enter into a definitive agreement with respect to a bona fide written alternative acquisition proposal that constitutes a superior proposal in accordance with the merger agreement,
subject to certain notice and matching rights in favor of MasTec. </P></TD></TR></TABLE>
</div></div>

 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">17 </P>

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<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>


<Center><DIV STYLE="width:8.5in" align="left">

<div style ="BORDER-BOTTOM:1.00pt solid #000000;BORDER-LEFT:1.00pt solid #000000;BORDER-RIGHT:1.00pt solid #000000;BORDER-TOP:1.00pt solid #000000;MARGIN-LEFT:0px; MARGIN-RIGHT:0px;max-width:100%"><div style="width:97%; margin-top:1.5%; margin-bottom:1.5%; margin-left:1.5%; margin-right:-1.25%">

 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">For additional detail of these provisions, see &#147;The Agreements &#150; Transaction
Structure &#150; Restrictions on IEA&#146;s Solicitation of Acquisition Proposals&#148; and &#147;The Agreements &#150; Transaction Structure &#150; Change of Recommendation by the IEA Board.&#148; </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I>Termination of the Merger Agreement (See Page 99) </I></B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The merger agreement may be terminated at any time prior to the effective time: </P>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">by mutual written consent of MasTec and IEA; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">by either MasTec or IEA: </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="9%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">if the merger has not been consummated on or before July&nbsp;24, 2023, subject to an automatic extension to
October&nbsp;24, 2023, if the only outstanding unfulfilled conditions relate to HSR approval or certain legal impediments to the consummation of the merger solely by reason of the HSR Act (referred to as the &#147;end date&#148;); provided that this
right to terminate the merger agreement under this clause will not be available to a party whose action or failure to perform or comply with the covenants and agreements of such party set forth in the merger agreement has been the principal cause of
the failure of the merger to be consummated by the end date and such action or failure to perform constitutes a material breach of the merger agreement; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="9%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">if any court of competent jurisdiction or other governmental entity has issued a final and <FONT
STYLE="white-space:nowrap">non-appealable</FONT> judgment, order, injunction, rule or decree, or taken any other action restraining, enjoining or otherwise prohibiting any of the transactions contemplated by the merger agreement; provided that the
party seeking to terminate the merger agreement under this clause will, to the extent required under the merger agreement, have used its reasonable best efforts to contest, appeal and remove such judgment, order injunction, rule, decree, ruling or
other action, pursuant to the merger agreement; or </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="9%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">if, at the special meeting (including any adjournment or postponement thereof), the IEA stockholders have not
approved the merger proposal; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">by MasTec: </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="9%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">if the closing conditions to which each party&#146;s obligations to consummate the merger are subject, or the
closing conditions to which MasTec&#146;s and Merger Sub&#146;s obligations to consummate the merger are subject, cannot be satisfied due to an inaccuracy of IEA&#146;s representations or warranties or IEA&#146;s breach or failure to perform any of
its representations, warranties, covenants or agreements set forth in the merger agreement that would result in the failure of the applicable condition in the merger agreement to be satisfied, which inaccuracy, breach or failure to perform cannot be
cured by the end date or, if it can be, cured by the end date, has not been cured prior to the earlier of 30 days after written notice thereof is given by MasTec to IEA or the end date (referred to as an &#147;IEA breach&#148;); provided that MasTec
will not have the right to terminate the merger agreement under this clause if MasTec or Merger Sub is then in material breach of any of its covenants or agreements set forth in the merger agreement; or </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="9%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">prior to the receipt of the IEA stockholders&#146; approval of the merger proposal, if the IEA board
(a)&nbsp;fails to make, withdraws, amends, modifies or materially qualifies, in a manner adverse to MasTec, the IEA board recommendation; (b)&nbsp;fails to include the IEA board recommendation in the proxy statement that is filed with the SEC or
mailed to IEA stockholders; (c)&nbsp;recommends an alternative acquisition proposal; (d)&nbsp;fails to recommend against acceptance of any tender offer or exchange offer for shares of IEA common stock within 10 business days after the commencement
of such offer; (e)&nbsp;fails to reaffirm (publicly, if so requested by MasTec) the IEA board recommendation within 10 business days after the date any alternative acquisition proposal (or
</P></TD></TR></TABLE>
</div></div>

 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">18 </P>

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<Center><DIV STYLE="width:8.5in" align="left">

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<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="13%">&nbsp;</TD>
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">
material modification to such proposal) is first publicly disclosed by IEA or the person making such proposal; or (f)&nbsp;resolves or agrees to take any of the foregoing actions (referred to as
the &#147;adverse recommendation change&#148;). </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">by IEA: </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="9%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">if the closing conditions to which each party&#146;s obligations to consummate the merger are subject, or the
closing conditions to which IEA&#146;s obligations to consummate the merger are subject, cannot be satisfied due to an inaccuracy of MasTec&#146;s or Merger Sub&#146;s representations or warranties or MasTec&#146;s or Merger Sub&#146;s breach or
failure to perform any of its respective covenants or agreements set forth in the merger agreement that would result in the failure of the applicable condition in the merger agreement to be satisfied, which inaccuracy, breach or failure to perform
cannot be cured by the end date or, if it can be, cured by the end date, has not been cured, has not been cured prior to the earlier of 30 days after written notice thereof is given by IEA to MasTec or the end date; provided that IEA will not have
the right to terminate the merger agreement under this clause if IEA is then in material breach of any of its covenants or agreements set forth in the merger agreement; or </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="9%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">at any time prior to obtaining the IEA stockholders&#146; approval of the merger proposal, if (a)&nbsp;the IEA
board authorizes IEA to enter into an alternative acquisition agreement with respect to a superior proposal further described in &#147;The Agreements &#150; Transaction Structure &#150; Change of Recommendation by the IEA Board&#148; beginning on
page 92, (b) concurrently with the termination of the merger agreement, IEA enters into an alternative acquisition agreement providing for a superior proposal, subject to the compliance of certain terms of the merger agreement, and (c)&nbsp;prior to
or substantially concurrently with the termination of the merger agreement, IEA pays to MasTec the termination fee described in &#147;The Agreements &#150; Transaction Structure &#150; Termination Fee&#148; beginning on page 101.
</P></TD></TR></TABLE> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I>Termination Fee (See Page 101) </I></B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">IEA must pay MasTec a termination fee of $27.5&nbsp;million if: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">MasTec or IEA terminates the merger agreement due to the approval of the IEA stockholders not being obtained at
the special meeting, an alternative acquisition proposal has been communicated to the senior management of IEA or the IEA board or has been publicly disclosed or announced or publicly made known to the IEA stockholders, and not withdrawn prior to
the date that is 5 business days prior to the date of the special meeting, and within twelve months after termination of the merger agreement, IEA has entered into a definitive agreement with respect, or has consummated, an alternative acquisition
proposal. For purposes of this termination fee, references to &#147;20% or more&#148; will be replaced by &#147;more than 50%&#148; in the definition of &#147;acquisition proposal&#148; in the merger agreement; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">MasTec terminates the merger agreement due to an IEA breach; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">MasTec or IEA terminates the merger agreement due to IEA board authorizing IEA to enter into an alternative
acquisition agreement with respect to a superior proposal further described in &#147;The Agreements &#150; Transaction Structure &#150; Change of Recommendation by the IEA Board&#148; beginning on page 92; or </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">MasTec terminates the merger agreement due to the IEA board having effected an adverse recommendation change
prior to the receipt of the IEA stockholders&#146; approval of the merger proposal. </P></TD></TR></TABLE> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I>Expenses (See Page 101) </I></B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Other than as described in &#147;The Agreements &#150; Transaction Structure &#150; Termination of the Merger Agreement&#148; beginning on
page&nbsp;99, whether or not the merger is consummated, all fees and expenses incurred in </P>
</div></div>

 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">19 </P>

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<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
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<h5 align="left"><a href="#toc">Table of Contents</a></h5>


<Center><DIV STYLE="width:8.5in" align="left">

<div style ="BORDER-BOTTOM:1.00pt solid #000000;BORDER-LEFT:1.00pt solid #000000;BORDER-RIGHT:1.00pt solid #000000;BORDER-TOP:1.00pt solid #000000;MARGIN-LEFT:0px; MARGIN-RIGHT:0px;max-width:100%"><div style="width:97%; margin-top:1.5%; margin-bottom:1.5%; margin-left:1.5%; margin-right:-1.25%">

 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">
connection with the merger agreement, the merger and the other transactions contemplated by the merger agreement will be borne by the party incurring such fees or expenses, except that MasTec
will be responsible for all filings fees for the filings required to be made by IEA and MasTec under the HSR Act. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><A NAME="toc338793_8"></A>Description of the Voting Agreements (Page&nbsp;101) </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">As more fully described in this proxy statement/prospectus and as set forth in the voting agreements, in connection with the execution of the
merger agreement, certain stockholders of IEA entered into voting agreements with MasTec pursuant to which, prior to the earlier of the closing of the transaction or the termination of the merger agreement, such stockholders agreed to vote (or cause
to be voted) all of the shares of IEA common stock beneficially owned by them, as applicable, as of the applicable record date (i)&nbsp;in favor of the merger, the merger agreement (to the extent required), and the transactions contemplated by the
merger agreement and any other actions presented at any meeting of the IEA stockholders that are necessary to consummate the transactions contemplated by the merger agreement and (ii)&nbsp;against any action or agreement that would reasonably be
expected to prevent or materially delay the consummation of the transactions contemplated by the merger agreement, as described in the voting agreements. Such stockholders also agreed to certain transfer restrictions with respect to their IEA common
stock, subject to certain limited exceptions. See &#147;The Agreements &#150; Description of the Voting Agreements&#148; beginning on page&nbsp;101 for more detail. Such stockholders collectively controlled approximately 35% of the outstanding
shares of IEA common stock as of July&nbsp;24, 2022. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><A NAME="toc338793_9"></A>Regulatory Approvals Required for the Merger (Page 70) </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The obligations of MasTec and IEA to consummate the transaction are subject to, among other conditions, the expiration or earlier termination
of the waiting period (and any extension thereof) under the HSR Act. MasTec and IEA filed the notifications required under the HSR Act with the Premerger Notification Office of the Federal Trade Commission and the Antitrust Division of the
Department of Justice on Tuesday August&nbsp;2, 2022. The applicable waiting period under the HSR Act expired at 11:59 p.m. Eastern Time on September&nbsp;1, 2022. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><A NAME="toc338793_10"></A>Financing of the Transaction (Page 73) </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On July&nbsp;24, 2022, in connection with the merger agreement, MasTec entered into (i)&nbsp;a commitment letter (referred to as the &#147;term
facilities commitment letter&#148;) and (ii)&nbsp;a commitment letter (referred to as the &#147;bridge facility commitment letter&#148; and, together with the term facilities commitment letter, the &#147;debt commitment letters&#148;), in each case
with Bank of America, N.A. (referred to as &#147;BANA&#148;), and BofA Securities, Inc. (referred to as &#147;BofA Securities&#148; and, together with BANA, Bank of America and JPMorgan Chase Bank, N.A. (referred to as &#147;JPMorgan&#148;), the
&#147;Commitment Parties&#148;), and certain of their respective affiliates, for commitments with respect to the financing required by IEA to consummate the merger. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The financing under the debt commitment letters, the availability of which is contingent on the satisfaction of certain conditions, including
the closing of the transaction, provides for credit facilities in an aggregate principal amount of up to $1.0&nbsp;billion, consisting of: (i)&nbsp;an agreement to arrange senior unsecured delayed draw term loan facilities in an aggregate principal
amount of up to $1.0&nbsp;billion (referred to as the &#147;Term Loan Facilities&#148;), of which the Commitment Parties have committed to provide up to $230&nbsp;million, and/or (ii)&nbsp;a commitment to provide
<FONT STYLE="white-space:nowrap">364-day</FONT> senior unsecured bridge loan facility in an aggregate principal amount of up to $1.0&nbsp;billion (referred to as the &#147;Bridge Facility&#148; and, together with the Term Loan Facilities, the
&#147;Credit Facilities&#148;). The commitments under the Bridge Facility shall be reduced on a <FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">dollar-for-dollar</FONT></FONT> basis by, among other things, the commitments under the
Term Loan Facilities outstanding on the effective date of the Term Loan Facilities documentation. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">MasTec and MasTec North America, Inc.
will be <FONT STYLE="white-space:nowrap">co-borrowers</FONT> under the Credit Facilities. The covenants, defaults, prepayments and guarantees for the Credit Facilities are expected to be substantially similar to those
</P>
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under the Amended Existing Credit Agreement (as defined below), except as otherwise set forth in the debt commitment letters. The Credit Facilities will bear interest at SOFR plus an applicable
margin. The Credit Facilities will be unsecured and, so long as the Existing Credit Agreement is amended to remove the guarantee requirements (as described below), will be not guaranteed by any of MasTec&#146;s subsidiaries. Various economic and
other terms of the credit facilities are subject to change in the process of syndication as set forth in the debt commitment letters. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">In
connection with the transaction, on August&nbsp;8, 2022, MasTec commenced (i)&nbsp;an offer to eligible holders of the 6.625% Senior Notes due 2029 issued by IEA Energy Services LLC (referred to as the &#147;IEA Issuer&#148;), a subsidiary of IEA
(referred to as the &#147;IEA Notes&#148;), to exchange any and all of the outstanding IEA Notes for up to an aggregate principal amount of $300&nbsp;million of new 6.625% Senior Notes due 2029 to be issued by MasTec (referred to as the &#147;MTZ
Exchange Notes&#148; and such offer to exchange referred to as the &#147;Exchange Offer&#148;), and (ii)&nbsp;a consent solicitation with respect to the IEA Notes to eliminate or modify certain of the covenants, restrictive provisions and events of
default (referred to as the &#147;Proposed Amendments&#148;) in the existing indenture governing the IEA Notes (referred to as the &#147;Consent Solicitation&#148;). The Proposed Amendments require the consent of the holders of at least a majority
in principal of the IEA Notes not held by certain affiliates of IEA. Neither the Exchange Offer nor the Consent Solicitation is required by IEA to consummate the merger, and the consummation of each is conditioned upon the consummation of the
merger. MasTec may complete the Exchange Offer regardless of whether it completes the Consent Solicitation. This proxy statement/prospectus does not constitute an offer to sell or the solicitation of an offer to buy any debt securities of MasTec,
IEA or the IEA Issuer. It does not constitute a prospectus or prospectus equivalent document for any such securities. No offering of any debt securities of MasTec, IEA or the IEA Issuer shall be made except by means of a prospectus meeting the
requirements of Section&nbsp;10 of the Securities Act or an exemption therefrom. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Concurrently with the transaction, MasTec is also
seeking to amend its existing credit agreement, dated as of November&nbsp;1, 2021 (referred to as the &#147;Existing Credit Agreement&#148;), to, among other things, release the existing guarantees thereof and remove the existing requirement that
certain subsidiaries guarantee the obligations thereunder. We refer to the Existing Credit Agreement as amended, as the &#147;Amended Existing Credit Agreement.&#148; </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><A NAME="toc338793_11"></A>Material U.S. Federal Income Tax Consequences of the Merger (Page 70) </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The exchange of shares of IEA common stock by an IEA stockholder for cash and shares of MasTec common stock in the merger will be a taxable
transaction for U.S. federal income tax purposes. Accordingly, any IEA stockholder that is a U.S. Holder (as defined in the section entitled &#147;Material U.S. Federal Income Tax Consequences of the Merger &#150; U.S. Holders&#148;) generally will
recognize gain or loss for U.S. federal income tax purposes in an amount equal to the difference, if any, between (1)&nbsp;the sum of the amount of cash and the fair market value as of the effective time of the merger of the shares of MasTec common
stock received in the merger and (2)&nbsp;the U.S. Holder&#146;s adjusted tax basis in the shares of IEA common stock exchanged in the merger. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Any such gain or loss generally will be capital gain or loss and generally will be long-term capital gain or loss if the U.S. Holder&#146;s
holding period in the IEA common stock immediately prior to the merger is more than one year. For U.S. Holders that are individuals, estates or trusts, long-term capital gain generally is taxed at preferential rates. The deductibility of capital
losses is subject to limitations. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">A U.S. Holder will have a tax basis in the shares of MasTec common stock received in the merger equal
to the fair market value of such shares as of the effective time of the merger. A U.S. Holder&#146;s holding period for shares of MasTec common stock received in exchange for shares of IEA common stock in the merger will begin on the date
immediately following the date on which the merger closes. We refer to the date on which the merger closes as the &#147;closing date.&#148; </P>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">A <FONT STYLE="white-space:nowrap">Non-U.S.</FONT> Holder (as defined in the section
entitled &#147;Material U.S. Federal Income Tax Consequences of the Merger &#150; Non-U.S. Holders&#148;) generally will not be subject to U.S. federal income tax with respect to the exchange of shares of IEA common stock for cash and shares of
MasTec common stock in the merger unless such <FONT STYLE="white-space:nowrap">Non-U.S.</FONT> Holder has certain connections to the United States as described in &#147;Material U.S. Federal Income Tax Consequences of the Merger &#150; <FONT
STYLE="white-space:nowrap">Non-U.S.</FONT> Holders.&#148; A <FONT STYLE="white-space:nowrap">Non-U.S.</FONT> Holder may be subject to backup withholding with respect to payments made pursuant to the merger unless such
<FONT STYLE="white-space:nowrap">Non-U.S.</FONT> Holder certifies that it is not a U.S. person or otherwise establishes an exemption. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Each IEA stockholder should consult its own tax advisor to determine the particular tax consequences of the merger to such stockholder in
light of such IEA stockholder&#146;s particular circumstances. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><A NAME="toc338793_12"></A>Accounting Treatment of the Transaction (Page 73) </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The merger of MasTec and IEA will be accounted for under the acquisition method of accounting in accordance with Accounting Standards
Codification 805, Business Combinations (referred to as &#147;ASC 805&#148;), and MasTec will be treated as the acquirer of IEA for accounting purposes. Accordingly, MasTec will allocate IEA&#146;s purchase price to the acquired tangible and
intangible assets and liabilities of IEA based upon their estimated fair values as of the acquisition date. Any excess purchase price will be recorded as goodwill. No pro forma financial information is included in this document because the
acquisition is not significant to MasTec under the rules of the SEC. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><A NAME="toc338793_13"></A>Treatment of IEA SPAC Warrants in the Merger
(Page&nbsp;82) </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Each outstanding SPAC warrant will be cancelled automatically upon the closing of the transaction and will become
exercisable for the merger consideration. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">If a holder of any SPAC warrant properly exercises such SPAC warrant within 30 days following
the public disclosure of the consummation of the merger pursuant to a current report on Form <FONT STYLE="white-space:nowrap">8-K,</FONT> the warrant price shall be reduced by a certain amount (but in no event less than zero) as set forth in the
SPAC Warrant Agreement. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><A NAME="toc338793_14"></A>Treatment of Other Warrants in the Merger (Page&nbsp;81) </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Each outstanding anti-dilution warrant of IEA will be cancelled automatically immediately prior to the closing of the transaction and the
holder will be entitled to receive an amount in cash equal to the cash consideration to be paid in connection with the merger for each share underlying the anti-dilution warrant, and a number of shares of MasTec common stock equal to the amount of
the stock consideration to be paid in connection with the merger for each share underlying the anti-dilution warrant. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Each outstanding <FONT
STYLE="white-space:nowrap">pre-funded</FONT> warrant of IEA will be automatically deemed exercised in full as a &#147;cashless exercise&#148; at the time of the closing of the transaction and the holder will be entitled to receive an amount in cash
equal to the cash consideration to be paid in connection with the merger for each share underlying the <FONT STYLE="white-space:nowrap">pre-funded</FONT> warrant, and a number of shares of MasTec common stock equal to the amount of the stock
consideration to be paid in connection with the merger for each share underlying the <FONT STYLE="white-space:nowrap">pre-funded</FONT> warrant. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Each outstanding Series B warrant of IEA will be cancelled automatically immediately prior to the closing of the transaction and the holder
will be entitled to receive an amount in cash equal to the cash consideration to be paid in connection with the merger for each share underlying the Series B warrant, and a number of shares of MasTec common stock equal to the amount of the stock
consideration to be paid in connection with the merger for each share underlying the Series B warrant. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><A NAME="toc338793_15"></A>Appraisal Rights
(Page 74) </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Pursuant to Section&nbsp;262 of the DGCL, IEA stockholders who hold their shares through the effective time, do not vote
their shares in favor of adoption of the merger agreement and who comply fully with and properly </P>
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demand appraisal for their shares under the applicable requirements of Section&nbsp;262 of the DGCL and do not otherwise withdraw or lose the right to appraisal under Delaware law, have the right
to seek appraisal of the fair value of their shares of IEA common stock, as determined by the Delaware Court of Chancery, if the merger is completed. The &#147;fair value&#148; of shares of IEA common stock as determined by the Delaware Court of
Chancery may be more than, less than, or equal to the value of the merger consideration that IEA stockholders would otherwise be entitled to receive under the terms of the merger agreement. IEA stockholders also should be aware that an investment
banking opinion as to the fairness, from a financial point of view, of the consideration payable in a sale transaction, such as the merger, is not an opinion as to, and does not otherwise address, &#147;fair value&#148; under Section&nbsp;262 of the
DGCL. IEA stockholders who wish to preserve any appraisal rights they may have must so advise IEA by submitting a written demand for appraisal prior to the vote to adopt the merger agreement and approve the transactions contemplated thereby, and
must otherwise follow fully the procedures prescribed by Section&nbsp;262 of the DGCL. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The text of Section&nbsp;262 of the DGCL is
attached as Annex F to this proxy statement/prospectus. You are encouraged to read these provisions carefully and in their entirety. Due to the complexity of the procedures for exercising appraisal rights, IEA stockholders who are considering
exercising such rights are encouraged to seek the advice of legal counsel and their financial advisors. Failure to strictly comply with these provisions may result in the loss of appraisal rights. </P>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><A NAME="toc338793_16"></A>RISK FACTORS </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">In addition to the other information included in, incorporated by reference in, or found in the Annexes attached to, this proxy
statement/prospectus, including the matters addressed in &#147;Cautionary Note Regarding Forward-Looking Statements&#148; beginning on page 28, you should carefully consider the following risk factors in deciding whether to vote for the proposals to
be considered at the special meeting. See &#147;Where You Can Find More Information&#148; beginning on page 115 and &#147;Incorporation of Certain Documents by Reference&#148; beginning on page 113 for more information about the documents
incorporated by reference in this proxy statement/prospectus. Additional risks and uncertainties not presently known to MasTec or IEA or that are not currently believed to be important also may adversely affect the transaction and MasTec following
the transaction. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><A NAME="toc338793_17"></A>Risks Relating to the Merger </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I>Because the stock exchange ratio is fixed and will not be adjusted for stock price changes and the market price of MasTec common stock has fluctuated and
will continue to fluctuate, IEA stockholders cannot be sure of the value of the consideration they will receive. </I></B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Upon completion
of the merger, each issued and outstanding share of IEA common stock (other than (i)&nbsp;cancelled shares and (ii)&nbsp;dissenting shares) will be converted into the right to receive $10.50 in cash, without interest, and 0.0483 of a share of MasTec
common stock. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The market price of MasTec common stock at the time of completion of the merger may vary significantly from the market
price of MasTec common stock on the date the merger agreement was executed, the date of this proxy statement/prospectus and the date of the IEA special meeting. Because the stock consideration is payable in a fixed exchange ratio, the value of the
stock consideration that IEA stockholders receive upon completion of the merger may be higher or lower than the value of the stock consideration on such earlier dates. Accordingly, IEA stockholders will not know or be able to calculate at the time
of the IEA special meeting the market value of the stock consideration they will receive upon completion of the merger. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">If the market
value of MasTec common stock falls between the date of this proxy statement/prospectus and the time the merger consideration is actually received, the value of the merger consideration received may be less than the value of the merger consideration
such stockholder may anticipate receiving. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Stock price changes may result from a variety of factors, including, among others, general
market and economic conditions, changes in MasTec&#146;s and IEA&#146;s respective businesses, operations and prospects, market assessments of the likelihood that the merger will be completed, the timing of the merger, regulatory considerations and
other risk factors set forth or incorporated by reference in this proxy statement/prospectus. Many of these factors are beyond MasTec&#146;s and IEA&#146;s control. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I>Completion of the merger is subject to the conditions contained in the merger agreement and if these conditions are not satisfied or waived, the merger
will not be completed. </I></B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The obligations of MasTec and IEA to complete the merger are subject to the satisfaction or waiver of a
number of conditions, including, among others, the adoption of the merger agreement by IEA&#146;s stockholders by the affirmative vote of at least a majority of the outstanding shares of IEA common stock and the expiration or termination of the
waiting period under the HSR Act. For a more complete summary of the required regulatory approvals and the closing conditions, see the section titled &#147;Summary &#150; Regulatory Approvals Required for the Merger.&#148; </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Although MasTec and IEA have agreed in the merger agreement to use their reasonable best efforts to complete the merger as promptly as
practicable, many of the closing conditions are not within MasTec&#146;s or IEA&#146;s control, and neither company can predict when or if these conditions will be satisfied. If any of these conditions are not satisfied or waived prior to
July&nbsp;24, 2023, which deadline may be extended to October&nbsp;24, 2023 under </P>
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certain circumstances, it is possible that the merger agreement will be terminated. The failure to satisfy all of the required conditions could delay the completion of the merger for a
significant period of time or prevent it from occurring. There can be no assurance that the closing conditions will be satisfied or waived or that the merger will be completed. See the risk factor titled &#147;&#151;Failure to complete the merger
could negatively affect the stock price and the future business and financial results of IEA,&#148; below. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I>Regulatory approval may not be received,
may take longer than expected or may impose conditions that are not presently anticipated or cannot be met. </I></B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Before the merger may
be completed, any applicable waiting period (and any extension thereof) under the Hart-Scott-Rodino Antitrust Improvements Act of 1976, as amended, and the rules and regulations thereunder relating to the transactions contemplated by the merger
agreement, must have expired or been terminated. Under the merger agreement, MasTec and IEA have agreed to use their reasonable best efforts to obtain regulatory approvals, consents and clearances and therefore may be required to comply with
conditions, terms, obligations or restrictions imposed by governmental authorities. There can be no assurance that such conditions, terms, obligations or restrictions will not have the effect of delaying completion of the merger or imposing
additional material costs on or materially limiting the revenues of MasTec following the completion of the merger. In addition, neither MasTec nor IEA can provide assurance that any such conditions, terms, obligations or restrictions will not result
in the delay or abandonment of the merger. See the section titled &#147;Summary &#150; Regulatory Approvals Required for the Merger.&#148; </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I>IEA&#146;s directors and executive officers have interests in the merger that may be different from, or in addition to, your interests as a stockholder
of IEA more generally. </I></B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">When considering the recommendation of the IEA board of directors that IEA stockholders approve the merger
agreement proposal and the merger-related compensation proposal, IEA stockholders should be aware that directors and executive officers of IEA have certain interests in the merger that may be different from, or in addition to, the interests of IEA
stockholders more generally. These interests generally include, among others, treatment of outstanding IEA equity awards in connection with the merger and certain potential severance payments in connection with the merger and a qualifying
termination of employment upon or following the merger. See the section titled &#147;Transaction Summary &#150; Interests of IEA&#146;s Directors and Executive Officers in the Transaction&#148; for a more detailed description of these interests. The
IEA board of directors was aware of these interests and considered them, among other matters, in evaluating and negotiating the merger agreement, in reaching its decision to approve the merger agreement and the consummation of the merger, and in
recommending that IEA stockholders vote in favor of the merger agreement proposal. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I>The merger agreement limits IEA&#146;s ability to pursue
alternatives to the merger and may discourage other companies from trying to acquire IEA. </I></B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The merger agreement contains provisions
that make it more difficult for IEA to sell its business to a party other than MasTec. These provisions include a general prohibition on IEA soliciting any company takeover proposal or offer for a competing transaction. In addition, upon termination
of the merger agreement, IEA is required to pay MasTec a termination fee of $27.5&nbsp;million if the merger agreement is terminated in certain circumstances including IEA entering into a definitive agreement with respect to a superior proposal or
an adverse recommendation change. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I>The merger agreement subjects IEA to restrictions on its business activities. </I></B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The merger agreement subjects IEA to restrictions on its business activities and obligates IEA to generally conduct its business in a
commercially reasonable manner and in all material respects in the ordinary course of business consistent with past practice. These restrictions could have an adverse effect on IEA&#146;s results of operations, cash flows and financial position.
</P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">25 </P>

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<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I>The business relationships of MasTec and IEA and their respective subsidiaries may be subject to
disruption due to uncertainty associated with the merger, which could have an adverse effect on the results of operations, cash flows and financial position of MasTec, IEA and, following the completion of the merger, MasTec. </I></B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Parties with which MasTec and IEA, or their respective subsidiaries, do business may be uncertain as to the effects the merger may have on
them, including with respect to current or future business relationships with MasTec, IEA or their respective subsidiaries. These relationships may be subject to disruption as customers, suppliers and other persons with whom MasTec and IEA have a
business relationship may delay or defer certain business decisions or might decide to terminate, change or renegotiate their relationships with MasTec or IEA, as applicable, or consider entering into business relationships with parties other than
MasTec, IEA or their respective subsidiaries. These disruptions could have an adverse effect on the results of operations, cash flows and financial position of MasTec or IEA, including an adverse effect on MasTec&#146;s ability to realize the
expected synergies and other benefits of the merger. The risk, and adverse effect, of any disruption could be exacerbated by a delay in completion of the merger or termination of the merger agreement. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I>Failure to complete the merger could negatively affect the stock price and the future business and financial results of IEA. </I></B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">If the merger is not completed for any reason, including as a result of IEA stockholders failing to approve the merger agreement proposal, the
ongoing business of IEA may be adversely affected and, without realizing any of the benefits of having completed the merger, IEA could be subject to a number of negative consequences, including the following: </P>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">IEA may experience negative reactions from the financial markets, including negative impacts on its stock price;
</P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">IEA may experience negative reactions from its customers and suppliers; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">IEA may experience negative reactions from its employees and may not be able to retain key management personnel
and other key employees; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">IEA will have incurred, and will continue to incur, significant
<FONT STYLE="white-space:nowrap">non-recurring</FONT> costs in connection with the merger that it may be unable to recover; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the merger agreement places certain restrictions on the conduct of IEA&#146;s business prior to completion of the
merger, the waiver of which is subject to the consent of MasTec (not to be unreasonably withheld, conditioned or delayed), which may prevent IEA from making certain acquisitions, taking certain other specified actions or otherwise pursuing business
opportunities during the pendency of the merger that may be beneficial to IEA; and </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">matters relating to the merger (including integration planning) will require substantial commitments of time and
resources by IEA management, which could otherwise be devoted <FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">to&nbsp;day-to-day&nbsp;operations</FONT></FONT> and other opportunities that may be beneficial to IEA as an independent
company. </P></TD></TR></TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">In addition, upon termination of the merger agreement, under certain circumstances, IEA is required to pay
MasTec a termination fee of $27.5&nbsp;million, including IEA entering into a definitive agreement with respect to a superior proposal or an adverse recommendation change. Finally, IEA could be subject to litigation related to any failure to
complete the merger or related to any enforcement proceeding commenced against IEA to perform its obligations under the merger agreement. If the merger is not completed, any of these risks may materialize and may adversely affect IEA&#146;s
businesses, financial condition, financial results and stock price. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I>MasTec expects to obtain financing in connection with the merger and cannot
guarantee that it will be able to obtain such financing on favorable terms or at all. </I></B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">MasTec anticipates that the funds needed to
complete the merger will be derived from a combination of (i)&nbsp;available cash on hand and (ii)&nbsp;third-party debt financing. See &#147;Transaction Summary &#150; Financing of the </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">26 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">
Transaction&#148; for additional information regarding the anticipated financing of the merger. MasTec&#146;s ability to obtain any such new debt financing will depend on, among other factors,
prevailing market conditions and other factors beyond MasTec&#146;s control. MasTec cannot assure you that it will be able to obtain new debt financing on terms acceptable to it or at all, and any such failure could materially adversely affect its
operations and financial condition. MasTec&#146;s obligation to complete the merger is not conditioned upon the receipt of any financing. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I>Lawsuits
may in the future be filed against IEA, its directors, MasTec and/or Merger Sub challenging the merger, and an adverse ruling in any such lawsuit may prevent completing the merger or completing the merger within the expected timeframe and/or result
in substantial costs to MasTec and IEA. </I></B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Securities class action lawsuits and derivative lawsuits are often brought against public
companies that have entered into acquisition, merger or other business combination agreements like the merger agreement. Even if such a lawsuit is without merit, defending against these claims can result in substantial costs and divert management
time and resources. An adverse judgment could result in monetary damages, which could have a negative impact on MasTec&#146;s and IEA&#146;s respective liquidity and financial condition. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Further, one of the conditions to the completion of the merger is that no injunction or law by any governmental entity of competent
jurisdiction will be in effect that has the effect of restraining, enjoining or otherwise prohibiting the consummation of the merger. As such, if an injunction prohibiting the consummation of the merger is obtained, that injunction may prevent the
merger from becoming effective or from becoming effective within the expected timeframe. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><A NAME="toc338793_18"></A>Risk Factors Relating to MasTec
after the Transaction </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Following the completion of the transaction, MasTec will continue to be subject to the risks described in Part
I, Item 1A in MasTec&#146;s Annual Report on Form <FONT STYLE="white-space:nowrap">10-K</FONT> for the fiscal year ended December&nbsp;31, 2021, as updated by MasTec&#146;s Quarterly Reports on Form <FONT STYLE="white-space:nowrap">10-Q</FONT> and
other filings with the SEC. See the section entitled &#147;Where You Can Find More Information&#148; beginning on page 115 of this proxy statement/prospectus. </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">27 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><A NAME="toc338793_19"></A>CAUTIONARY NOTE REGARDING FORWARD-LOOKING STATEMENTS </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">This proxy statement/prospectus and the documents that are incorporated into this proxy statement/prospectus by reference may contain or
incorporate by reference statements that do not directly or exclusively relate to historical facts. Such statements are &#147;forward-looking statements.&#148; You can typically identify forward-looking statements by the use of forward-looking
words, such as &#147;may,&#148; &#147;will,&#148; &#147;should,&#148; &#147;could,&#148; &#147;would,&#148; &#147;predicts,&#148; &#147;future,&#148; &#147;project,&#148; &#147;believe,&#148; &#147;anticipate,&#148; &#147;expect,&#148;
&#147;estimate,&#148; &#147;continue,&#148; &#147;potential,&#148; &#147;plan,&#148; &#147;aim,&#148; &#147;seek,&#148; &#147;forecast&#148; and other similar words. These include, but are not limited to, statements relating to the strategy of
MasTec after the closing of the transaction, the synergies and the benefits that are expected to be achieved as a result of the merger, including future financial and operating results, MasTec&#146;s plans after the closing of the transaction,
objectives, expectations and intentions, MasTec&#146;s and IEA&#146;s projections and other prospective financial information, as well as other statements that are not historical facts. These forward-looking statements represent our intentions,
plans, expectations, assumptions and beliefs about future events including the operations of MasTec after the closing of the transaction and are subject to risks, uncertainties and other factors. Many of those factors are outside the control of
MasTec and IEA, and could cause actual results to differ materially from the results expressed or implied by those forward-looking statements. In addition to the risk factors described under &#147;Risk Factors&#148; beginning on page&nbsp;24, those
factors include: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">those identified and disclosed in public filings with the SEC made by MasTec and IEA; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">uncertainties as to the timing of the closing of the transaction; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the occurrence of any event, change or other circumstances that could give rise to the termination of the merger
agreement, including a termination under circumstances that could require IEA to pay a termination fee to MasTec; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the inability to complete the transaction due to the failure to obtain the requisite stockholder approval or the
failure to satisfy (or to have waived) other conditions to the closing of the transaction, including receipt of required regulatory approvals or, if obtained, the possibility of being subjected to conditions that could reduce the expected synergies
and other benefits of the transaction, result in a material delay in, or the abandonment of, the transaction or otherwise have an adverse effect on MasTec or IEA; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">risks that the transaction disrupts current plans and operations of MasTec and IEA, and the potential
difficulties in retention of key personnel and other employees as a result of the transaction; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the outcome of any legal proceedings that may be instituted against MasTec, IEA and/or others relating to the
merger agreement; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">diversion of each of MasTec&#146;s and IEA&#146;s management&#146;s attention from ongoing business concerns;
</P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the effect of the announcement of the transaction on each of MasTec&#146;s and IEA&#146;s business relationships,
operating results and business generally; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the amount of the costs, fees, expenses and charges related to the transaction, including any possible unexpected
costs resulting therefrom; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">risks that the respective businesses of MasTec and IEA will have been adversely impacted during the pendency of
the transaction; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the effects of disruption from the transaction making it more difficult to maintain business relationships,
including joint ventures; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">risks that any stockholder litigation in connection with the transaction may result in significant costs of
defense, indemnification and liability; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
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<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the risk that competing offers may be made for either IEA or MasTec; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the ability to integrate MasTec and IEA businesses successfully (including achievement of expected synergies) and
to avoid problems which may result in MasTec after the closing of the transaction not operating as effectively and efficiently as expected; </P></TD></TR></TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">28 </P>

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<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">risks that expected synergies, operational efficiencies and cost savings from the transaction and from the
planned refinancing may not be fully realized or realized within the expected time frame; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
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<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">significant changes in the business environment in which MasTec and IEA operate; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the effects of future regulatory or legislative actions on MasTec and IEA; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the impact of the issuance of common stock of MasTec as consideration in connection with the transaction on the
current holders of MasTec common stock, including dilution of their ownership and voting interests; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the actual resulting credit ratings of MasTec, IEA or their respective subsidiaries; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">conduct and changing circumstances related to third-party relationships on which MasTec and IEA rely for their
respective businesses; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the impact of changes in national and regional economies; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">industry consolidation; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">technological developments; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">market risks from fluctuations in interest rates; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">events that are outside of the control of MasTec and IEA, such as political unrest in international markets,
terrorist attacks, malicious human attacks, natural disasters, pandemics and other similar events; and </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">other economic, business, regulatory and/or competitive factors affecting MasTec&#146;s and IEA&#146;s businesses
generally. </P></TD></TR></TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">The areas of risk and uncertainty described above should be considered in connection with any written or oral
forward-looking statements that may be made after the date of this proxy statement/prospectus by MasTec or IEA or anyone acting for any or all of them. Except for their ongoing obligations to disclose material information under the U.S. federal
securities laws, neither MasTec nor IEA undertakes any obligation to release publicly any revisions to any forward-looking statements, to report events or circumstances after the date of this proxy statement/prospectus or to report the occurrence of
unanticipated events. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">For additional information about factors that could cause actual results to differ materially from those described
in the forward-looking statements, see the note regarding forward-looking statements in MasTec&#146;s Annual Report on Form <FONT STYLE="white-space:nowrap">10-K</FONT> for the year ended December&nbsp;31, 2021, as filed with the SEC and
incorporated by reference in this proxy statement/prospectus, and the special note regarding forward-looking statements in IEA&#146;s Annual Report on Form <FONT STYLE="white-space:nowrap">10-K</FONT> for the year ended December&nbsp;31, 2021, as
filed with the SEC and incorporated by reference in this proxy statement/prospectus. See &#147;Incorporation of Certain Documents by Reference&#148; beginning on page&nbsp;113 and &#147;Where You Can Find More Information&#148; on page&nbsp;115.
</P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">MasTec and IEA also caution the reader that undue reliance should not be placed on any forward-looking statements, which speak only as of
the date of this proxy statement/prospectus. Neither MasTec nor IEA undertakes any duty or responsibility to update any of these forward-looking statements to reflect events or circumstances after the date of this proxy statement/prospectus or to
reflect actual outcomes. </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">29 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><A NAME="toc338793_20"></A>INFORMATION ABOUT THE IEA SPECIAL MEETING AND PROPOSALS
</B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><A NAME="toc338793_21"></A>General </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">This proxy statement/prospectus is first being mailed on or about September 8, 2022 and constitutes notice of the special meeting in conformity
with the requirements of the DGCL and the IEA bylaws. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">This proxy statement/prospectus is being provided to IEA stockholders as part of a
solicitation of proxies by the IEA board of directors for use at the special meeting of IEA stockholders and at any adjournments or postponements of such special meeting. This proxy statement/prospectus provides IEA stockholders with information
about the special meeting and should be read carefully in its entirety. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><A NAME="toc338793_22"></A>Date, Time and Place of the Special Meeting
</B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The special meeting will be held on October 7, 2022, beginning at 8:00 a.m., Eastern time, unless postponed to a later date, via live
audio webcast at www.virtualshareholdermeeting.com/IEA2022SM. To virtually participate in the special meeting, visit www.virtualshareholdermeeting.com/IEA2022SM and enter the 16-digit control number provided on your proxy card or voting instruction
card in order to participate in the special meeting. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><A NAME="toc338793_23"></A>Purposes of the Special Meeting </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">At the special meeting, IEA stockholders will be asked to vote upon the following proposals: </P>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt"><B><I>Proposal 1&#151;The Merger Agreement Proposal</I></B>:&nbsp;the proposal to adopt the merger agreement,
which is further described in the sections titled &#147;Summary &#150; Description of the Transaction and Background of the Transaction&#148; and &#147;The Agreements &#150; Description of the Merger Agreement&#148; and a copy of which is attached
to this proxy statement/prospectus as&nbsp;Annex&nbsp;A and to approve the merger; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt"><B><I>Proposal 2&#151;The Merger-Related Compensation Proposal</I></B>:&nbsp;the proposal to approve on an
advisory <FONT STYLE="white-space:nowrap">(non-binding)</FONT> basis the compensation that may be paid or become payable to IEA&#146;s named executive officers that is based on or otherwise relates to the mergers; and </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt"><B><I>Proposal 3&#151;The Adjournment Proposal</I></B>:&nbsp;the proposal to approve the adjournment of the
special meeting, if necessary, to solicit additional proxies if there are not sufficient votes to approve the merger agreement proposal. </P></TD></TR></TABLE>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B>Only the approval of the merger agreement proposal is required for completion of the merger.</B><B> </B>IEA will transact no other business
at the special meeting except such business as may properly be brought before the special meeting or any adjournment or postponement thereof.<B> </B> </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><A NAME="toc338793_24">
</A>Record Date </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The record date for the determination of stockholders entitled to notice of and to vote at the special meeting is
September 6, 2022 (referred to as the &#147;record date&#148;). </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><A NAME="toc338793_25"></A>Virtual Participation at Special Meeting </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The special meeting will be a completely virtual meeting of stockholders conducted via live audio webcast through the website described above
under the heading &#147;Date, Time and Place of the Special Meeting.&#148; Only IEA stockholders who held shares of record as of the close of business on the record date are entitled to receive notice of and vote at the special meeting and any
adjournment or postponement of the special meeting, as long as such shares remain outstanding on the date of the special meeting. IEA&#146;s official stock ownership records will conclusively determine whether a stockholder is a &#147;holder of
record&#148; as of the record date. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">IEA will have technicians ready to assist IEA stockholders with any technical difficulties they may
have accessing the virtual meeting. If IEA stockholders encounter any difficulties accessing the virtual meeting or during the meeting time, IEA stockholders should navigate to www.virtualshareholdermeeting.com/IEA2022SM, where a phone number for IT
support will be posted. </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">30 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><A NAME="toc338793_26"></A>Outstanding Shares as of Record Date </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">As of the record date, there were 48,644,324 shares of IEA common stock outstanding and owned by stockholders (i.e.,&nbsp;excluding shares of
IEA common stock held in treasury by IEA), held by 33 holders of record. Each share of IEA common stock is entitled to one vote on each matter considered at the special meeting. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Stockholders may request an appointment to inspect a complete list of stockholders entitled to vote at the special meeting for any purpose
germane to the special meeting at IEA&#146;s headquarters, located at 6325 Digital Way, Suite 460, Indianapolis, Indiana 46278, during ordinary business hours within ten days prior to the special meeting by sending an email request to
investors@iea.net. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><A NAME="toc338793_27"></A>Shares and Voting of IEA&#146;s Directors and Executive Officers </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">As of the record date, IEA directors and executive officers, as a group, owned and were entitled to vote 2,572,159&nbsp;shares of IEA common
stock, or approximately 5.3% of the outstanding shares of IEA common stock. IEA currently expects that these directors and executive officers will vote their shares in favor of the merger agreement proposal and each of the other proposals described
in this proxy statement/prospectus, although none of the directors and executive officers are obligated to do so, other than John Paul Roehm and Derek Glanvill. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Derek Glanvill is the current chairman and a member of the IEA board of directors. John Paul Roehm, a member of the IEA board of directors, is
IEA&#146;s Chief Executive Officer. Further, each of Matt Underwood and Scott Graves are members of the IEA board of directors and are Partners at Ares Management LLC (&#147;Ares Management&#148;), which manages the Ares stockholders. As noted
above, pursuant to the voting agreements, each of Derek Glanvill, the Roehm stockholders and the Ares stockholders have agreed to vote all of the shares of IEA common stock held by them (representing in the aggregate approximately 35% of the total
outstanding shares of IEA common stock as of the record date) in favor of the merger agreement proposal. See the section titled &#147;The Voting Agreements.&#148; </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><A NAME="toc338793_28"></A>Quorum and Broker <FONT STYLE="white-space:nowrap">Non-Votes</FONT> </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">In order to conduct any business at the special meeting, a quorum must be present virtually or represented by proxy. Holders of shares
representing at least a majority of the voting power of all outstanding shares of capital stock of IEA entitled to vote at the special meeting, represented virtually or by proxy, constitutes a quorum. Stockholders choosing to abstain from voting
will be treated as present for purposes of determining whether a quorum is present, but will not be counted as votes cast &#147;FOR&#148; any matter. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Banks, brokerage firms and other nominees who hold shares in &#147;street name&#148; for the accounts of their clients may vote such shares
either as directed by their clients or in their own discretion on &#147;routine&#148; matters. When a broker does not receive instructions from a beneficial owner on how to vote shares with respect to a
<FONT STYLE="white-space:nowrap">&#147;non-routine&#148;</FONT> matter, a broker <FONT STYLE="white-space:nowrap">&#147;non-vote&#148;</FONT> occurs. Broker <FONT STYLE="white-space:nowrap">&#147;non-votes&#148;</FONT> will be treated as present for
purposes of determining whether a quorum is present, but will not be counted as votes cast &#147;FOR&#148; any matter. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Your shares will
be counted for purposes of determining if there is a quorum, whether representing votes for, against or abstained, if you (1)&nbsp;participate in the special meeting, or (2)&nbsp;have voted via the Internet, by telephone or by properly submitting a
proxy card or voting instruction card by mail. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><A NAME="toc338793_29"></A>Required Vote </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The votes required for each proposal are as follows: </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B><I>The Merger Agreement Proposal.</I></B> The affirmative vote, virtually or by proxy, of holders of at least a majority of the outstanding
shares of IEA common stock entitled to vote on the merger agreement proposal is required to approve the merger agreement proposal. Failures to vote, abstentions and broker <FONT STYLE="white-space:nowrap">non-votes</FONT> will have the same effect
as a vote &#147;AGAINST&#148; the merger agreement proposal. </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">31 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B><I>The Merger-Related Compensation Proposal. </I></B>The affirmative vote of a majority
of the votes cast by the stockholders present in person or represented at the special meeting, virtually or by proxy, and entitled to vote on the merger-related compensation proposal, is required to approve, on an advisory <FONT
STYLE="white-space:nowrap">(non-binding)</FONT> basis, the merger-related compensation proposal. If you are an IEA stockholder on the record date and (i)&nbsp;participate in the special meeting but fail to vote or (ii)&nbsp;mark your proxy card or
voting instruction card to abstain, it will have no effect on the merger-related compensation proposal (assuming a quorum is present). If you do not&nbsp;participate in the special meeting, virtually or by proxy, and do not instruct your bank,
brokerage firm or other nominee how to vote your shares, it will have no effect on the merger-related compensation proposal (assuming a quorum is present). </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B><I>The Adjournment Proposal.</I></B> The affirmative vote of a majority of the votes cast by the stockholders present in person or
represented at the special meeting, virtually or by proxy, and entitled to vote on the adjournment proposal, is required to approve the adjounrment proposal. If you are an IEA stockholder on the record date and (i)&nbsp;participate in the special
meeting but fail to vote or (ii)&nbsp;mark your proxy card or voting instruction card to abstain, it will have no effect on the adjournment proposal. If you do not participate in the special meeting, virtually or by proxy, and do not instruct your
bank, brokerage firm or other nominee how to vote your shares, it will have no effect on the adjournment proposal. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">As noted above,
pursuant to the voting agreements, each of Derek Glanvill, the Roehm stockholders and the Ares stockholders have agreed to vote all of the shares of IEA common stock held by them (representing in the aggregate approximately 35% of the total
outstanding shares of IEA common stock as of the record date) in favor of the merger agreement proposal. See the section titled &#147;The Agreements &#150; Description of the Voting Agreements.&#148; </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><A NAME="toc338793_30"></A>How to Vote or Have Your Shares Voted </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">IEA stockholders of record may vote their shares of IEA common stock or submit a proxy to have their shares of IEA common stock voted at the
special meeting in one of the following ways: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt"><B><I>Internet:</I></B>&nbsp;IEA stockholders may submit their proxy by using the Internet at proxyvote.com.
Internet voting is available 24&nbsp;hours a day and will be accessible until 11:59&nbsp;p.m., Eastern time, on October&nbsp;6 2022, the day before the special meeting. </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt"><B><I>Telephone:</I></B>&nbsp;IEA stockholders may submit their proxy by using a touch-tone telephone at
1-800-690-6903. Telephone voting is available 24&nbsp;hours a day and will be accessible until 11:59&nbsp;p.m., Eastern time, on October&nbsp;6, 2022, the day before the special meeting. </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt"><B><I>Mail:</I></B>&nbsp;IEA stockholders may submit their proxy by properly completing, signing, dating and
mailing their proxy card in the postage-paid envelope (if mailed in the United States) included with this proxy statement/prospectus. IEA stockholders who vote this way should mail the proxy card early enough so that it is received before the date
of the special meeting. </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt"><B><I>To Vote Virtually at the Special Meeting:</I></B> To vote virtually at the special meeting, visit
www.virtualshareholdermeeting.com/IEA2022SM and enter the 16-digit control number included on your proxy card or voting instruction card that accompanied your proxy materials. </P></TD></TR></TABLE>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Whether or not you plan to participate in the special meeting, IEA urges you to submit your proxy by completing and returning the proxy card
as promptly as possible, or by submitting your proxy by telephone or via the Internet, prior to the special meeting to ensure that your shares of IEA common stock will be represented and voted at the special meeting if you are unable to participate.
</P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The IEA board of directors has appointed certain persons as proxy holders to vote proxies in accordance with the instructions of IEA
stockholders. If you are a stockholder of record and you authorize these proxy holders to vote your shares of IEA common stock with respect to any matter to be acted upon, your shares will be voted in accordance with your instructions in your proxy.
If you are a stockholder of record and you authorize </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">32 </P>

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these proxy holders to vote your shares but do not specify how your shares should be voted on a proposal, these proxy holders will vote your shares on such proposals as the IEA board of directors
recommends, except if you indicate that you wish to vote against the merger agreement proposal, in which case your shares of IEA common stock will only be voted in favor of the merger-related compensation proposal and the adjournment proposal if you
indicate that you wish to vote in favor of such proposals. If any other matter properly comes before the special meeting, these proxy holders will vote on that matter in their discretion. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">If, as of the record date, your shares were registered directly in your name with IEA&#146;s transfer agent, Continental Stock
Transfer&nbsp;&amp; Trust Company, you are considered the stockholder of record with respect to those shares, and the proxy notice was sent directly to you by IEA. If, as of the record date, your shares were held in an account at a brokerage firm,
bank, broker-dealer, or other similar organization, then you are the beneficial owner of shares held in &#147;street name,&#148; and the proxy notice was forwarded to you by that organization. The organization holding your account is considered the
stockholder of record for purposes of voting at the special meeting. As a beneficial owner, you must direct your bank, brokerage firm or other nominee on how to vote the shares of IEA common stock held in your account and you will receive
instructions from your bank, brokerage firm or other nominee describing how to vote your shares of IEA common stock. The availability of Internet or telephonic voting will depend on the nominee&#146;s voting process. Please check with your bank,
brokerage firm or other nominee and follow the voting procedures your bank, brokerage firm or other nominee provides. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">If you are a
beneficial owner and do not provide your bank, brokerage firm or other nominee instructions on how to vote your shares of IEA common stock with respect to <FONT STYLE="white-space:nowrap">&#147;non-routine&#148;</FONT> matters, a broker <FONT
STYLE="white-space:nowrap">&#147;non-vote&#148;</FONT> occurs with respect to those matters. Under applicable stock exchange rules, the organization that holds your shares of IEA common stock (i.e.,&nbsp;your bank, brokerage firm or other nominee)
may generally vote on routine matters at its discretion but cannot vote your shares on <FONT STYLE="white-space:nowrap">&#147;non-routine&#148;</FONT> matters without your instructions. If you are a beneficial owner and the organization that holds
your shares of IEA common stock does not receive instructions from you on how to vote your shares of IEA common stock on a <FONT STYLE="white-space:nowrap">non-routine</FONT> matter, the organization that holds your shares of IEA common stock will
inform the inspector of elections that it does not have the authority to vote your shares on such matters. The merger agreement proposal, the merger-related compensation proposal and the adjournment proposal will be considered <FONT
STYLE="white-space:nowrap">&#147;non-routine.&#148;</FONT> Accordingly, if you are a beneficial owner and do not provide your bank, brokerage firm or other nominee instructions on how to vote your shares of IEA common stock, your bank, brokerage
firm or other nominee generally will not be permitted to vote your shares on any of the proposals. If you are a beneficial holder, IEA strongly encourages you to provide voting instructions to your bank, brokerage firm or other nominee so that your
vote will be counted on all matters. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">If you are a beneficial owner, you are invited to participate in the special meeting; however, you
may not vote your shares at the special meeting unless you obtain a legal proxy from your bank, brokerage firm or other nominee that holds your shares giving you the right to vote the shares at the special meeting. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><A NAME="toc338793_31"></A>Revocation of Proxies </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">IEA stockholders of record may revoke their proxies at any time prior to the voting at the special meeting in any of the following ways: </P>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">signing and delivering a new proxy relating to the same shares and bearing a later date than the original proxy;
</P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">sending a signed, written notice of revocation, which is dated later than the date of the proxy and states that
the proxy is revoked, to Attention: Secretary, Infrastructure and Energy Alternatives, Inc. Legal Department, 6325 Digital Way, Suite 460, Indianapolis, Indiana 46278; or </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">participating in and voting during the virtual special meeting. Participation in the virtual special meeting will
not, however, in and of itself, constitute a vote or revocation of a prior proxy. </P></TD></TR></TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">IEA beneficial owners may change
their voting instruction only by following the directions received from their bank, brokerage firm or other nominee for changing their voting instructions. </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">33 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><A NAME="toc338793_32"></A>Solicitation of Proxies </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">IEA will pay for the proxy solicitation costs related to the special meeting. In addition to sending and making available these materials, some
of IEA&#146;s directors, officers and employees may solicit proxies in person by contacting IEA stockholders by telephone or over the Internet. IEA stockholders may also be solicited by press releases issued by IEA, postings on IEA&#146;s websites
and advertisements in periodicals. None of IEA&#146;s directors, officers or employees will receive additional compensation for their solicitation services. IEA has engaged D.F. King&nbsp;&amp; Co., Inc. to assist in the solicitation of proxies for
the special meeting. IEA estimates that it will pay D.F. King&nbsp;&amp; Co., Inc. a fee of approximately $15,000, plus reasonable <FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">out-of-pocket</FONT></FONT> expenses. Certain
banking institutions, brokerage firms, custodians, trustees, nominees and fiduciaries who hold shares for the benefit of another party may solicit proxies for IEA. If so, they will mail proxy information to, or otherwise communicate with, the
beneficial owners of shares of IEA common stock held by them. IEA will also reimburse banks, brokerage firms, custodians, trustees, nominees and fiduciaries for their expenses incurred in sending proxies and proxy materials to beneficial owners of
IEA common stock. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><A NAME="toc338793_33"></A>Adjournments </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Although it is not currently expected, the special meeting may be adjourned one or more times in accordance with the merger agreement to a
later day or time if necessary or appropriate, including to solicit additional proxies in favor of the merger agreement proposal. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">In
addition to the proposals to (1)&nbsp;adopt the merger agreement and (2)&nbsp;to approve on an advisory <FONT STYLE="white-space:nowrap">(non-binding)</FONT> basis the compensation that may be paid or become payable to IEA&#146;s named executive
officers that is based on or otherwise relates to the merger (referred to as the &#147;merger-related compensation proposal&#148;), IEA stockholders are also being asked to approve a proposal to adjourn the special meeting, from time to time, to a
later date or dates, if necessary or appropriate, to solicit additional proxies if there are insufficient votes to adopt the merger agreement at the time of the special meeting. Subject to the limitations on such actions set forth in the merger
agreement, the IEA board of directors may cancel, postpone or reschedule any previously scheduled special meeting at any time, before or after the notice for such meeting has been sent to the stockholders. If the special meeting is adjourned or
postponed, IEA stockholders who have already submitted their proxies will be able to revoke them at any time before they are voted at the special meeting. Your shares will be voted on any adjournment proposal in accordance with the instructions
indicated in your proxy or voting instruction card. The special meeting may be adjourned by the chairman of the meeting, whether or not there is a quorum. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Notice need not be given of any adjourned meeting if the time and place, if any, thereof and the means of remote communications, if any, by
which stockholders and proxy holders may be deemed to be present and vote at such adjourned meeting are announced at the meeting at which the adjournment is taken unless the adjournment is for more than 30 days, in which case a notice of the
adjourned meeting will be given to each stockholder of record entitled to vote at the meeting. If, after any adjournment, a new record date for the stockholders entitled to vote is fixed for any adjourned meeting, notice of the place, if any, date,
and time of the adjourned meeting and the means of remote communications, if any, by which stockholders and proxy holders may be deemed to be present and vote at such adjourned meeting must be given to each stockholder of record entitled to vote at
the meeting. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><A NAME="toc338793_34"></A>Questions and Additional Information </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">You may contact IEA&#146;s proxy solicitor, D.F. King&nbsp;&amp; Co., Inc., with any questions about the special meeting, the merger, the
proposals or this proxy statement/prospectus, if you would like additional copies of the proxy statement/prospectus, if you need to obtain proxy cards or other information related to the proxy solicitation or if you need help submitting a proxy or
voting your shares of IEA common stock. Stockholders may call toll-free at (866) <FONT STYLE="white-space:nowrap">796-3441,</FONT> and banks and brokers may call collect at (212) <FONT STYLE="white-space:nowrap">269-5550.</FONT> </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">34 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><A NAME="toc338793_35"></A>PROPOSAL 1: THE MERGER AGREEMENT PROPOSAL </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">As discussed throughout this proxy statement/prospectus, IEA is asking its stockholders to approve the merger agreement proposal. Pursuant to
the merger agreement, Merger Sub will merge with and into IEA, with IEA surviving the merger and becoming a wholly owned subsidiary of MasTec. The merger agreement proposal that IEA is asking its stockholders to approve is the adoption of the merger
agreement and approval of the merger. If the merger is completed, IEA will cease to be publicly traded and IEA common stock will be delisted from the Nasdaq Global Select Market and deregistered under the Exchange Act. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">As described in further detail in the sections titled &#147;Questions and Answers About the Transaction and Special Meeting,&#148;
&#147;Summary &#150; Description of the Transaction and Background of the Transaction&#148; and &#147;The Agreements &#150; Description of the Merger Agreement,&#148; the IEA board of directors has unanimously approved the merger agreement and the
merger. For a discussion of certain factors considered by the IEA board of directors in determining to approve the merger agreement and recommend that IEA stockholders vote for the merger agreement proposal, see the section titled &#147;Transaction
Summary &#150; IEA&#146;s Reasons for the Transaction and Recommendation of the IEA Board.&#148; A copy of the merger agreement is attached as Annex&nbsp;A to this proxy statement/prospectus. You are urged to read the merger agreement carefully and
in its entirety. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The merger is subject to the satisfaction of the conditions set forth in the merger agreement, including approval of the
merger agreement proposal by the stockholders of IEA at the special meeting. Accordingly, the approval of the merger agreement proposal by IEA stockholders is a condition to the obligations of MasTec and IEA to complete the merger. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The affirmative vote, virtually or by proxy, of the holders of at least a majority of the outstanding shares of IEA common stock entitled to
vote on the merger agreement proposal is required to approve the merger agreement proposal. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B>THE IEA BOARD OF DIRECTORS UNANIMOUSLY
RECOMMENDS THAT IEA STOCKHOLDERS VOTE &#147;FOR&#148; THE MERGER AGREEMENT PROPOSAL. </B></P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">35 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><A NAME="toc338793_36"></A>PROPOSAL 2: THE MERGER-RELATED COMPENSATION PROPOSAL </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Pursuant to Section&nbsp;14A of the Exchange Act and the applicable SEC rules issued thereunder, IEA is required to submit a proposal to
approve a resolution, on <FONT STYLE="white-space:nowrap">a&nbsp;non-binding&nbsp;advisory</FONT> basis, approving the payment of specified compensation that may be paid or become payable to IEA&#146;s named executive officers in connection with the
merger. This proposal, commonly known <FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">as&nbsp;&#147;say-on-golden&nbsp;parachutes&#148;</FONT></FONT> (referred to as the&nbsp;&#147;merger-related compensation proposal&#148;), gives
IEA&#146;s stockholders the opportunity to vote on an advisory <FONT STYLE="white-space:nowrap">and&nbsp;non-binding&nbsp;basis,</FONT> on the compensation that the named executive officers may be entitled to receive that is based on or otherwise
relates to the merger. This compensation is summarized in the table and the footnotes thereto under &#147;Transaction Summary &#150; Interests of IEA&#146;s Directors and Executive Officers in the Transaction &#150; Summary of Potential Transaction
Payments to Executive Officers of IEA&#148; beginning on page 69 of this proxy statement. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">You should carefully review the golden
parachute compensation information disclosed in the sections of this proxy statement/prospectus referred to above. The IEA board of directors unanimously recommends that IEA stockholders approve the following resolution: </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">RESOLVED, that the stockholders of IEA approve, solely on an advisory, <FONT STYLE="white-space:nowrap">non-binding</FONT> basis, the golden
parachute compensation that will or may be paid or become payable to IEA&#146;s named executive officers in connection with the merger, as disclosed pursuant to Item&nbsp;402(t) of <FONT STYLE="white-space:nowrap">Regulation&nbsp;S-K</FONT> in the
section titled &#147;Summary of Potential Transaction Payments to Executive Officers of IEA.&#148; </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The vote on the merger-related
compensation proposal is a vote separate and apart from the vote on the merger agreement proposal. Accordingly, you may vote to approve the merger agreement proposal and vote not to approve the merger-related compensation proposal and vice versa.
Because the vote on the merger-related compensation proposal is advisory only, it will not be binding on either IEA or MasTec. Accordingly, if the merger agreement proposal is approved and the merger is completed, the compensation payments that are
contractually required to be paid by IEA to its named executive officers will or may be paid or become payable, subject only to the conditions applicable thereto, regardless of the outcome of the <FONT STYLE="white-space:nowrap">non-binding,</FONT>
advisory vote of IEA stockholders on the merger-related compensation proposal. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The affirmative vote of a majority of the votes cast by
the stockholders present in person or represented at the special meeting, virtually or by proxy, and entitled to vote on the merger-related compensation proposal, is required to approve, on an advisory
<FONT STYLE="white-space:nowrap">(non-binding)</FONT> basis, the merger-related compensation proposal. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B>THE IEA BOARD OF DIRECTORS
UNANIMOUSLY RECOMMENDS THAT IEA STOCKHOLDERS VOTE &#147;FOR&#148; THE MERGER-RELATED COMPENSATION PROPOSAL. </B></P>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><A NAME="toc338793_37"></A>PROPOSAL 3: THE ADJOURNMENT PROPOSAL </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">IEA stockholders are being asked to approve the adjournment of the special meeting, if necessary, to solicit additional proxies if there are
not sufficient votes to approve the merger agreement proposal at the time of the special meeting. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">If you sign and return a proxy and do
not indicate how you wish to vote on any proposal, or if you indicate that you wish to vote in favor of the merger agreement proposal but do not indicate a choice on the adjournment proposal, your shares of IEA common stock will be voted in favor of
the adjournment proposal. If you indicate, however, that you wish to vote against the merger agreement proposal, your shares of IEA common stock will only be voted in favor of the adjournment proposal if you indicate that you wish to vote in favor
of the adjournment proposal. If the special meeting is so adjourned, IEA stockholders who have already submitted their proxies will be able to revoke them at any time prior to their use. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The affirmative vote of holders of at least a majority of the shares of IEA common stock represented at the special meeting, virtually or by
proxy, and entitled to vote on the adjournment proposal at the special meeting is required to approve the adjournment proposal. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B>THE
IEA BOARD OF DIRECTORS UNANIMOUSLY RECOMMENDS THAT IEA STOCKHOLDERS VOTE &#147;FOR&#148; THE ADJOURNMENT PROPOSAL. </B></P>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><A NAME="toc338793_38"></A>TRANSACTION SUMMARY </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><A NAME="toc338793_39"></A>Parties to the Transaction </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I>MasTec, Inc. </I></B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">MasTec, a Florida
corporation, is a leading infrastructure construction company operating mainly throughout North America across a range of industries. MasTec&#146;s primary activities include the engineering, building, installation, maintenance and upgrade of
communications, energy, utility and other infrastructure, such as: power delivery services, including transmission and distribution, wireless, wireline/fiber and customer fulfillment activities; power generation, primarily from clean energy and
renewable sources; pipeline infrastructure, including natural gas pipeline and distribution infrastructure; heavy civil; and industrial infrastructure. MasTec&#146;s customers are primarily in these industries. Including MasTec&#146;s predecessor
companies, MasTec has been in business for over 90 years. For the twelve month period ended June&nbsp;30, 2022, MasTec had an average of approximately 710 locations and approximately 27,000 employees, and as of June&nbsp;30, 2022, MasTec had
approximately 750 locations and 30,000 employees. MasTec offers its services under the MasTec<SUP STYLE="font-size:75%; vertical-align:top">&reg;</SUP> and other service marks. MasTec has been consistently ranked among the top specialty contractors
by Engineering News-Record for the past several years. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">MasTec&#146;s common stock is listed on the New York Stock Exchange under the
symbol &#147;MTZ.&#148; MasTec maintains its principal executive and management office at 800 S. Douglas Road, 12th Floor, Coral Gables, Florida, 33134, and its telephone number is <FONT STYLE="white-space:nowrap">(305)&nbsp;599-1800.</FONT>
MasTec&#146;s website address is www.mastec.com. MasTec does not intend for information contained on or accessible through its website to be part of this proxy statement/prospectus, other than documents that MasTec files with the SEC that are
specifically incorporated by reference in this proxy statement/prospectus. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">This proxy statement/prospectus incorporates important
business and financial information about MasTec from other documents that are not included in or delivered with this proxy statement/prospectus. For a list of the documents that are incorporated by reference, see &#147;Where You Can Find More
Information&#148; beginning on page&nbsp;115 of this proxy statement/prospectus and &#147;Incorporation of Certain Documents by Reference&#148; beginning on page 113 of this proxy statement/prospectus. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I>Infrastructure and Energy Alternatives, Inc. </I></B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Infrastructure and Energy Alternatives, Inc., a Delaware corporation (referred to as &#147;IEA&#148;) is a holding company that, through
various subsidiaries, is a leading diversified infrastructure construction company with specialized energy and heavy civil expertise throughout the United States. IEA was founded in 1947 as White Construction and became a public company in March
2018 when it merged with a special purpose acquisition company. IEA&#146;s common stock trades on The Nasdaq Global Select Market under the symbol &#145;&#145;IEA.&#146;&#146; The corporate headquarters of IEA are located at 6325 Digital Way, Suite
460, Indianapolis, Indiana 46278, and its telephone number is (800) <FONT STYLE="white-space:nowrap">688-3775.</FONT> </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I>Indigo Acquisition I Corp.
</I></B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Indigo Acquisition I Corp., a Delaware corporation and a wholly owned subsidiary of MasTec, was formed solely for the purpose of
consummating the merger of Merger Sub with and into IEA, as provided for in the merger agreement. Merger Sub has not carried on any activities to date, except for activities incidental to its formation and activities undertaken in connection with
the transactions contemplated by the merger agreement. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Indigo Acquisition I Corp.&#146;s office is located at 800 S. Douglas Road, 12th
Floor, Coral Gables, Florida&nbsp;33134, and its telephone number is (305) <FONT STYLE="white-space:nowrap">599-1800.</FONT> </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><A NAME="toc338793_40"></A>Description of the Transaction </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The following is a description of certain material aspects of the transaction. This description may not contain all of the information that may
be important to you. The discussion of the transaction in this proxy </P>
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statement/prospectus is qualified in its entirety by reference to the merger agreement, which is attached to this proxy statement/prospectus as Annex A and the voting agreements, which are
attached to this proxy statement/prospectus as Annex<B> B, C and D, respectively. We encourage you to read carefully this entire proxy statement/prospectus, including the Annexes to, and the documents incorporated by reference in, this proxy
statement/prospectus and the exhibits to the registration statement to which this proxy statement/prospectus relates, for a more complete understanding of the transaction. This section is not intended to provide you with any factual information
about MasTec and IEA. Such information can be found elsewhere in this proxy statement/prospectus and in the public filings MasTec and IEA make with the SEC, as described in &#147;Where You Can Find More Information&#148; beginning on page 115 and
&#147;Incorporation of Certain Documents by Reference&#148; beginning on page&nbsp;113. On July&nbsp;24, 2022, MasTec entered into a merger agreement with IEA and Merger Sub, pursuant to which Merger Sub will merge with and into IEA, as a result of
which, MasTec will acquire IEA. </B></P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">It is anticipated that, upon the closing of the transaction, the former IEA stockholders will own
approximately 3.0% of MasTec&#146;s outstanding shares. The current directors and executive officers of MasTec are expected to remain unchanged. No vote of MasTec stockholders is required in connection with the transaction. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><A NAME="toc338793_41"></A>Background of the Transaction </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">As a part of IEA&#146;s efforts to strengthen its business and enhance stockholder value, the IEA board of directors and senior management of
IEA regularly review and assess IEA&#146;s operations, performance, prospects and the strategic landscape in its industry, including the possibility of pursuing various strategic transactions. The review and assessment has included the engagement of
legal and financial advisors to assist in considering potential strategic opportunities and alternatives with a view to maximizing IEA stockholder value. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Members of the management teams of each of IEA and MasTec from time to time have met or otherwise communicated informally and independently
with each other and with representatives of other infrastructure construction companies and investors regarding industry trends and considerations and the performance, business, strategic direction and prospects of their respective companies. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On September&nbsp;2, 2021, Quanta Services announced that it was acquiring privately-held Blattner Company, the largest utility-scale
renewable energy solutions provider in North America. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On September&nbsp;7, 2021, MasTec delivered a letter (referred to as the
&#147;September 7 Letter&#148;) to JP Roehm, the Chief Executive Officer of IEA, containing a preliminary proposal, based on publicly available information, to combine MasTec and IEA based upon a total enterprise value of IEA of $1.16&nbsp;billion,
which MasTec calculated equated to $16.00 per share of IEA and represented an approximate 8.5x multiple to the Wall Street consensus estimate of IEA&#146;s 2021 Adjusted EBITDA. Mr.&nbsp;Roehm promptly made the letter available to the IEA board of
directors. The September&nbsp;7 Letter noted that MasTec had engaged JPMorgan Chase&nbsp;&amp; Co (referred to as &#147;J.P. Morgan&#148;) as a financial advisor and Fried Frank, Shriver, Harris, Shriver&nbsp;&amp; Jacobson LLP (referred to as
&#147;Fried Frank&#148;) as legal counsel and requested that IEA agree to explore a transaction with MasTec on an exclusive basis. The September&nbsp;7 Letter also highlighted that a definitive transaction agreement would not be subject to any
financing condition and that MasTec intended to finance the transaction via existing liquidity sources and/or new debt. IEA&#146;s closing trading price on September&nbsp;7, 2021 was $13.36 per share. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On September&nbsp;14, 2021, the IEA board of directors held a meeting which included representatives of IEA management, a financial advisor to
IEA (referred to as &#147;Financial Advisor A&#148;) and representatives of Gibson, Dunn&nbsp;&amp; Crutcher LLP, legal counsel to IEA (referred to as &#147;Gibson Dunn&#148;) were present. Representatives of Gibson Dunn discussed with the IEA board
of directors its fiduciary duties under applicable law in the context of a potential change of control transaction and in connection with the receipt of the September&nbsp;7 Letter. Financial Advisor A reviewed the terms of the September&nbsp;7
Letter as well as preliminary valuation analyses of IEA. The IEA board of directors also discussed the September&nbsp;7 Letter and potential responses to MasTec. </P>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On September&nbsp;17, 2021, the IEA board of directors held a meeting at which
representatives of IEA management, representatives of Financial Advisor A and representatives of Gibson Dunn were present. Following continued discussion of the September&nbsp;7 Letter, the IEA board of directors authorized Mr.&nbsp;Roehm and
Mr.&nbsp;Derek Glanvill, the Chairman of the IEA board of directors, to verbally respond to MasTec, indicating that, given IEA&#146;s current strategic plans, IEA was not interested in transacting at the share price indicated in the September&nbsp;7
Letter proposal, but noting that the IEA board of directors may be willing to consider a different response if MasTec were prepared to pay a fair value for IEA, which the IEA board of directors believed, based on then-recent precedent transactions
in the industry and various other factors at such time, was greater than $20&nbsp;per share. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On September&nbsp;18, 2021, Messrs. Glanvill
and Roehm delivered the message to Mr.&nbsp;Jos&eacute; Mas, the Chief Executive Officer of MasTec. Mr.&nbsp;Mas requested that IEA have a discussion with J.P. Morgan to discuss the financial modelling and analysis behind the IEA valuation, and on
September&nbsp;24, 2021, representatives of J.P. Morgan had a call with Mr.&nbsp;Roehm and Mr.&nbsp;Peter Moerbeek, the Chief Financial Officer of IEA, to discuss valuation considerations for IEA. No further discussions were held after the call.
</P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Also during September, MasTec representatives contacted representatives of IEA and Ares Management to discuss the potential transaction,
who promptly referred them to Mr. Roehm. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The parties did not enter into a confidentiality agreement at this time and MasTec did not
receive any nonpublic materials of IEA at this time. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">During the fall and winter of 2021, IEA continued executing its strategic plan and
members of the management teams of each of IEA and MasTec from time to time communicated with each other and with representatives of other infrastructure construction companies regarding industry trends and considerations and the performance,
business, strategic direction and prospects of their respective companies. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">At the end of calendar year 2021, IEA&#146;s closing trading
price had decreased to $9.20 per share, reflecting macro trends in the solar industry, and in January 2022, the IEA board of directors decided that IEA should conduct a strategic review to analyze the business and financial condition of IEA and to
formulate strategy and develop structural alternatives. On February&nbsp;1, 2022, the board of directors formally engaged Lazard to assist it in its review. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On February&nbsp;15, 2022, IEA received an unsolicited, <FONT STYLE="white-space:nowrap">non-binding,</FONT> indication of interest from a
private equity sponsor (referred to as &#147;Sponsor A&#148;) to acquire IEA for a price of $13.00 per share in cash. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On
February&nbsp;22, 2022, Mr.&nbsp;Roehm received a telephone call from a managing director of a private equity sponsor (referred to as &#147;Sponsor B&#148;) indicating that Sponsor B intended to submit a proposal to acquire IEA in an <FONT
STYLE="white-space:nowrap">all-cash</FONT> transaction. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On February&nbsp;23 and 24, 2022, the IEA board of directors held its regularly
scheduled quarterly meeting with representatives of IEA management. Representatives of Lazard attended a portion of the meeting and presented its evaluation of IEA&#146;s strategic plan, as well as various strategic alternatives and growth
opportunities. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On March&nbsp;3, 2022, the IEA board of directors held a meeting at which representatives of IEA management were present.
As a <FONT STYLE="white-space:nowrap">follow-up</FONT> to the February&nbsp;23 and 24 meeting, the IEA board of directors determined that they would continue to retain Lazard as its financial advisor in connection with IEA&#146;s strategic planning.
</P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On March&nbsp;4, 2022, IEA received a written, unsolicited, <FONT STYLE="white-space:nowrap">non-binding</FONT> indication of interest
from Sponsor B to acquire IEA for a cash purchase price which Sponsor B estimated would be in the range of a 20% to 40% premium to the volume weighted average price of IEA&#146;s common stock as reported on the NASDAQ Stock Market for the <FONT
STYLE="white-space:nowrap">30-day</FONT> period ending on March&nbsp;3, 2022. Based on the calculated $9.44 volume weighted average price of IEA&#146;s common stock as of the time of such letter, Sponsor B&#146;s letter implied an offer price per
share of $11.33 to $13.22. </P>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On March&nbsp;11, 2022, IEA received an unsolicited,
<FONT STYLE="white-space:nowrap">non-binding</FONT> indication of interest (referred to as the &#147;March 11 Letter&#148;) from MasTec to acquire IEA for a price of $17.00 per share in cash. The March&nbsp;11 Letter contained other proposed terms
and conditions substantially similar to the September&nbsp;7 Letter. IEA&#146;s closing trading price on March&nbsp;11, 2022 was $13.10 per share. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On March&nbsp;23, 2022, representatives of Lazard and Sponsor A discussed the February&nbsp;15 Letter from Sponsor A. During such discussion,
Sponsor A indicated its per share offer price would be increased to $16.00&nbsp;per share. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On March&nbsp;28, 2022, the IEA board of
directors held a meeting at which representatives of IEA management and Lazard were present. The IEA board of directors, management and Lazard discussed the letters from Sponsor A, Sponsor B and MasTec, as well as a
<FONT STYLE="white-space:nowrap">Lazard-prepared</FONT> preliminary valuation analyses of IEA and updated market dynamics since the February&nbsp;24 IEA board meeting, noting in particular that between February&nbsp;24, 2022 and March&nbsp;28, 2022,
IEA&#146;s stock price had traded up approximately 35%. The IEA board of directors and Lazard also discussed considerations regarding a potential strategic outreach process, including potential strategic outreach to counterparties consisting of both
strategic acquirors and financial sponsors, as well as alternative paths, including continuing to execute on IEA&#146;s strategic plan and continuing to pursue <FONT STYLE="white-space:nowrap">bolt-on</FONT> acquisition opportunities. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On March&nbsp;31, 2022, the IEA board of directors held a meeting at which representatives of IEA management and Lazard were present to
further discuss the <FONT STYLE="white-space:nowrap">non-binding</FONT> indications of interest received. Representatives of Lazard suggested an initial outreach to 13 &#147;tier 1A&#148; parties, which included MasTec, other strategic acquirors,
financial sponsors with portfolio companies in the same industry as IEA and other financial sponsors, with potential &#147;tier 1B&#148; parties to contact following the initial outreach. Following discussion, the IEA board of directors instructed
Lazard to begin reaching out to the 13 potential &#147;tier 1A&#148; counterparties to solicit interest in participating in a potential strategic outreach process. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Following the March&nbsp;31 meeting of the IEA board of directors, Lazard began contacting potential counterparties to solicit interest in
participating in a potential strategic outreach process. At various points during March, representatives of MasTec contacted representatives of IEA and Ares Management to discuss the potential transaction, who promptly referred them to
Mr.&nbsp;Glanvill. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On April&nbsp;4, 2022, Mr.&nbsp;Roehm and Mr.&nbsp;Glanvill met with Mr.&nbsp;Mas in Miami, Florida for an
introductory luncheon meeting. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On April&nbsp;15, 2022, the IEA board of directors held a meeting at which representatives of IEA
management, Lazard and Gibson Dunn were present. Representatives of Gibson Dunn discussed the IEA board of directors&#146; fiduciary duties in connection with a strategic outreach process, other process and timing considerations and certain terms
that would be contained in a draft merger agreement in the event the IEA board of directors decided to engage in negotiations following receipt of indications of interest. Representatives of Lazard provided an update on the strategic outreach
process and noted that thirteen potential counterparties, including all of the &#147;tier 1A&#148; counterparties discussed previously with the IEA board of directors, had been contacted, and that five, including MasTec and Sponsor B, had indicated
an interest in participating in the strategic outreach process; six parties, including Sponsor A, had declined to participate; and two parties were still considering the opportunity. Sponsor A stated that recent dynamics in its fund after a recent
acquisition led to its decision not to participate. Representatives of Lazard also identified additional potential counterparties that had not yet been contacted. Following discussion, the IEA board of directors instructed Lazard to contact such
additional potential counterparties, including parties previously identified as &#147;tier 1B&#148; parties. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On April&nbsp;22, 2022, the
IEA board of directors held a meeting at which representatives of IEA management, Lazard and Gibson Dunn were present. Representatives of Lazard provided an update on the strategic process and noted that 24 potential counterparties had been
contacted, and that nine, including MasTec and Sponsor B, </P>
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had indicated an interest in participating in the strategic outreach process; nine parties, including Sponsor A, had declined to participate; and six parties were considering the opportunity.
Following discussion, the IEA board of directors agreed to move forward with the strategic outreach process with Lazard to finalize a confidential information memorandum and process letter that would be distributed to the interested counterparties
and to begin entering into confidentiality agreements with potential counterparties. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On May&nbsp;5, 2022, the IEA board of directors held
a meeting at which representatives of IEA management and Lazard were present. Representatives of Lazard provided an update on the strategic outreach process and noted that 24 potential counterparties had been contacted, and that eleven parties,
including MasTec and Sponsor B, had indicated an interest in participating in the strategic outreach process; eleven parties, including Sponsor A, had declined to participate; and two parties were considering the opportunity. The IEA board of
directors discussed next steps in the process, expressing a desire to more expeditiously determine if a compelling offer was available, noting the potential distraction of an extended diligence period for multiple bidders, the need to focus on
IEA&#146;s strategic plan if a better alternative was not available and the increased leak risk during a prolonged process, which would be detrimental to IEA&#146;s employees and customers. Following discussion, the IEA board of directors agreed
that a process letter should be delivered to bidders requesting proposals by June&nbsp;10, 2022. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Following the meeting of the IEA board
of directors on May&nbsp;5, 2022, one of the eleven potential counterparties that had indicated an interest in participating in the strategic outreach process exited the process. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">IEA entered into ten confidentiality agreements with potential bidders, including MasTec. Each confidentiality agreement contained a customary
standstill provision which terminated upon the subsequent entry into the merger agreement with MasTec. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On May&nbsp;13, 2022, Lazard
distributed a process letter to each of the ten counterparties. Upon request from MasTec, Lazard also distributed an initial draft merger agreement, prepared by IEA and Gibson Dunn, to MasTec and asked for a complete markup along with the submission
of MasTec&#146;s indication of interest. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Each of the ten counterparties was provided access to a virtual dataroom, as well as the
management forecasts that were developed in February 2022 in connection with the strategic review planning undertaken by the IEA board of directors, and the opportunity to engage with management regarding due diligence. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On May&nbsp;25, 2022, representatives of MasTec, including Mr.&nbsp;Mas and Mr.&nbsp;George Pita, the Chief Financial Officer of MasTec, had a
financial diligence meeting at a hotel conference room in Indianapolis, Indiana with representatives of IEA management. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On May&nbsp;26,
2022, the IEA board of directors held a meeting at which representatives of IEA management and Lazard were present. Representatives of Lazard provided an update to the IEA board of directors regarding conversations with potential counterparties,
including MasTec, and noted that MasTec was the only counterparty that had requested a draft merger agreement to provide a complete markup in connection with the initial bid and MasTec had also expressed an interest in expediting its diligence
process. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On June&nbsp;3, 2022, MasTec delivered a preliminary <FONT STYLE="white-space:nowrap">non-binding</FONT> proposal (referred to
as the &#147;June 3 Letter&#148;) to acquire IEA at a price of $12.50 per share, together with a revised draft merger agreement. MasTec noted that the proposal, which was based on the financial and other due diligence that had been performed by
MasTec, reflected a transaction value of $1.073&nbsp;billion (exclusive of transaction costs) and represented an approximate 7.7x multiple to MasTec&#146;s estimate of IEA&#146;s 2022 EBITDA of $140&nbsp;million. The June&nbsp;3 Letter also noted
that as of March&nbsp;31, 2022, MasTec had liquidity of approximately $1.0&nbsp;billion and highlighted that a definitive transaction agreement would not be subject to any financing condition. MasTec also requested four weeks of exclusivity. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On June&nbsp;6, 2022, President Biden issued plans for a <FONT STYLE="white-space:nowrap">24-month</FONT> exemption from tariffs for solar
panel imports from Cambodia, Malaysia, Thailand and Vietnam. On June&nbsp;6, 2022, IEA&#146;s stock price closed trading at $9.02, up from $8.10 on June&nbsp;3, 2022. </P>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On June&nbsp;7, 2022, representatives of Lazard spoke to representatives of J.P. Morgan
regarding the assumptions underlying the terms of the June&nbsp;3 Letter, including regarding solar tariffs and MasTec&#146;s views of IEA&#146;s net debt position. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On June&nbsp;10, 2022, Sponsor B delivered an indicative proposal to acquire IEA for $11.65 per share in cash and to combine IEA with one of
Sponsor B&#146;s portfolio companies through a synergistic business combination. On the same day, a private equity sponsor (referred to as &#147;Sponsor C&#148;) submitted a <FONT STYLE="white-space:nowrap">non-binding</FONT> indication of interest
to acquire IEA for a price between $13.00 and $15.00 per share. Also on the same day, a private equity sponsor (referred to as &#147;Sponsor D&#148;) delivered a preliminary, <FONT STYLE="white-space:nowrap">non-binding</FONT> indication of interest
to provide IEA with equity, preferred equity or debt financing alongside a strategic investor. Each of Sponsor B and C highlighted that <FONT STYLE="white-space:nowrap">in-depth</FONT> due diligence would be required prior to signing a definitive
agreement. No other parties submitted a proposal to acquire or invest in IEA. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On June&nbsp;13, 2022, MasTec delivered an updated <FONT
STYLE="white-space:nowrap">non-binding</FONT> proposal (referred to as the &#147;MasTec Letter&#148;) to acquire IEA for $14.00 per share in cash. MasTec noted that its proposal reflected its current assessment of U.S. economic and regulatory market
conditions, including the impact of the recent Presidential executive order regarding solar panel import tariffs. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On June&nbsp;16, 2022,
the IEA board of directors held a meeting at which representatives of IEA management, Lazard and Gibson Dunn were present. Representatives of Lazard reviewed the proposals received from Sponsor B and Sponsor C on June&nbsp;10, 2022 and the updated
MasTec Letter received on June&nbsp;13, 2022. Representatives of Lazard also summarized the letter from Sponsor D and the discussions with potential counterparties that declined to submit proposals by the June&nbsp;10 deadline. Lazard noted that it
believed that the 24 potential companies Lazard had contacted in the strategic outreach process encompassed the most likely participants in any process to acquire IEA. Representatives of Lazard discussed the due diligence performed to date by each
counterparty, noting that MasTec had scheduled and completed four substantive due diligence calls, including regarding legal, accounting and tax, as well as <FONT STYLE="white-space:nowrap">in-person</FONT> meetings in Indianapolis, Sponsor B and D
had each only scheduled and completed one due diligence call, and Sponsor C had not scheduled any due diligence calls. Representatives of Lazard noted that in the current macroeconomic environment, financial sponsors may have difficulty obtaining
the necessary debt financing to consummate a transaction, as compared to an investment grade company like MasTec. Lazard also informed the IEA board of directors that based on past experience with Sponsor C, a due diligence process was more likely
to move Sponsor C to the bottom end of its range rather than the top end. Representatives of Lazard reviewed a preliminary valuation analysis of IEA based on the forecasts provided to bidders and also shared the results of sensitivity analyses
showing potential impact on the valuation analyses if the financial results to be achieved by IEA were below those reflected in management forecasts, including as a result of macroeconomic factors such as supply chain issues, inflation and the
recessionary economic environment. Representatives of Gibson Dunn reviewed the terms of the revised merger agreement from MasTec, including a proposed <FONT STYLE="white-space:nowrap">18-Business</FONT> Day marketing period, the requirement that
stockholders affiliated with Ares Management, Mr.&nbsp;Roehm and Mr.&nbsp;Glanvill enter into a voting agreement with MasTec, and that IEA waive its maximum 32% ownership limitation to allow one of the Ares stockholders to exercise its <FONT
STYLE="white-space:nowrap">pre-funded</FONT> warrants before the record date for the special stockholder meeting, a 4.5% proposed termination fee and revisions to the representations, warranties and covenants. Following discussion of various
potential responses to the bidders, the IEA board of directors instructed Lazard to notify MasTec that MasTec did not have the highest offer price and that IEA would move forward with MasTec, on an exclusive basis, to finalize a transaction in the
next three weeks if MasTec would increase its offer to $15.50 per share. The IEA board of directors also instructed Lazard to ask MasTec to revise its position on the merger agreement issues highlighted by Gibson Dunn. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On June&nbsp;17, 2022, representatives of Lazard communicated the message from the IEA board of directors to Mr.&nbsp;Mas, Mr.&nbsp;Pita and
representatives of J.P. Morgan. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On June&nbsp;21, 2022, MasTec delivered an updated <FONT STYLE="white-space:nowrap">non-binding</FONT>
proposal (referred to as the &#147;June 21 Letter&#148;) to acquire IEA for $14.50 per share in cash and noted that MasTec would be willing to include a portion of </P>
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MasTec common stock in the transaction consideration (up to 15% of the total equity purchase price). The June&nbsp;21 Letter also included a highly confident letter from J.P. Morgan and
reiterated MasTec&#146;s requirement that the IEA board of directors waive the Ares stockholders&#146; ownership limitation to allow one of the Ares stockholders to convert its <FONT STYLE="white-space:nowrap">pre-funded</FONT> warrants into voting
shares prior to the record date for a special meeting to vote on the transaction. The June&nbsp;21 Letter stated that MasTec would agree to a termination fee between the level proposed in the initial draft from IEA and the amount proposed by MasTec
in its markup, and that MasTec will work in good faith to negotiate customary and reasonable representations, warranties and covenants in the definitive agreement. At various points in June, representatives from Ares Management indicated to IEA and
MasTec that (i)&nbsp;the Ares stockholder holding <FONT STYLE="white-space:nowrap">pre-funded</FONT> warrants was unwilling to convert its <FONT STYLE="white-space:nowrap">pre-funded</FONT> warrants into voting shares and (ii)&nbsp;the voting
agreement should terminate upon termination of the merger agreement and upon any change in the IEA board of directors&#146; recommendation to stockholders. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Later on June&nbsp;21, 2022, Mr.&nbsp;Mas called Mr.&nbsp;Glanvill to discuss the June&nbsp;21 Letter. Mr.&nbsp;Glanvill noted that the IEA
board of directors would be meeting the next day and that he did not anticipate the IEA board of directors agreeing to move forward exclusively with MasTec based on MasTec&#146;s latest submission. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On June&nbsp;22, 2022, Mr.&nbsp;Mas called Mr.&nbsp;Glanvill and said that MasTec&#146;s would provide a written best and final offer with a
price of $14.75 and that MasTec would require exclusivity to move forward in the process. Later on June&nbsp;22, 2022, MasTec delivered a letter to IEA consistent with those terms, and otherwise substantially similar to the prior letters, including
that MasTec would be willing to include a portion of MasTec common stock in the transaction consideration (up to 15% of the total equity purchase price). </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Also on June&nbsp;22, 2022, representatives of Lazard discussed with representatives of Sponsor C their due diligence completed to date and
remaining as well as Sponsor C&#146;s debt financing plans. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Later on June&nbsp;22 2022, the IEA board of directors held a meeting at
which representatives of IEA management, Lazard and Gibson Dunn were present. Mr.&nbsp;Glanvill and representatives of Lazard updated the IEA board of directors on recent discussions with MasTec and Sponsor C, noting that Mr.&nbsp;Mas stated that
MasTec&#146;s offer was a best and final price, subject to further due diligence, and that Sponsor C had not yet refined its view on financing and had significant due diligence remaining. Representatives of Gibson Dunn reviewed the IEA board of
directors&#146; fiduciary duties and discussed potential terms that should be included in an exclusivity agreement with MasTec. Representatives of Lazard led a discussion regarding the ability to receive a portion of the consideration in stock and
recommended pursuing the <FONT STYLE="white-space:nowrap">all-cash</FONT> transaction because the price was the same for both offers and if stockholders wished to benefit from the long-term combination of the two companies, stockholders could
purchase MasTec shares with their cash merger consideration. Following discussion, the IEA board of directors agreed to move forward with MasTec on an exclusive basis at the current proposed purchase price, subject to negotiation of a definitive
execution agreement on customary terms. The IEA board of directors instructed Lazard to notify MasTec and instructed Gibson Dunn to deliver a revised draft merger agreement to MasTec. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On June&nbsp;23, 2022, representatives of Lazard delivered the IEA board of directors&#146; message to Mr.&nbsp;Mas and Mr.&nbsp;Pita. Later
on June&nbsp;23, 2022, representatives of Fried Frank delivered a draft exclusivity agreement to representatives of Gibson Dunn. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On
June&nbsp;24, 2022, representatives of Fried Frank told Gibson Dunn that MasTec would be unwilling to incur expenses associated with reviewing a revised draft merger agreement until the exclusivity agreement was executed. Later on June&nbsp;24,
2022, IEA and MasTec entered into an exclusivity agreement that expired on July&nbsp;11, 2022. At this time access to the virtual dataroom was limited to MasTec. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Later on June&nbsp;24, 2022, representatives of Gibson Dunn delivered a revised draft merger agreement to Fried Frank. The revised draft
merger agreement deleted the proposed marketing period, provided that any voting agreement would terminate upon termination of the merger agreement and upon any change in the IEA board of </P>
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directors&#146; recommendation to stockholders, provided that no exercise of warrants would be required <FONT STYLE="white-space:nowrap">pre-closing</FONT> and proposed a termination fee of 3.0%
of implied equity value. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On June&nbsp;29, 2022, representatives of MasTec, including Mr.&nbsp;Mas and Mr.&nbsp;Pita, had a second <FONT
STYLE="white-space:nowrap">in-person</FONT> financial diligence meeting with representatives of IEA management, including Mr.&nbsp;Roehm and Mr.&nbsp;Moerbeek, at a hotel conference room in Indianapolis, Indiana. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On July&nbsp;4, 2022, representatives of Fried Frank delivered a revised draft merger agreement which reinserted the <FONT
STYLE="white-space:nowrap">18-Business</FONT> Day marketing period, required the Ares stockholders holding <FONT STYLE="white-space:nowrap">pre-funded</FONT> warrants to exercise its <FONT STYLE="white-space:nowrap">pre-funded</FONT> warrants prior
to the special meeting record date, provided that the voting agreements would not terminate on a change of recommendation and proposed a termination fee of 4.0% of implied equity value. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On the evening of July&nbsp;5, 2022, Mr.&nbsp;Roehm had dinner with MasTec executives and on July&nbsp;6, 2022, he met with Mr.&nbsp;Mas in
his office in Coral Gables, Florida, to continue the financial due diligence process. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On July&nbsp;6, 2022, representatives of Fried
Frank delivered a draft voting agreement to representatives of Gibson Dunn, which Gibson Dunn also transmitted to Paul, Weiss, Rifkind, Wharton&nbsp;&amp; Garrison LLP, legal counsel to the Ares stockholders (referred to as &#147;Paul Weiss&#148;).
</P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On July&nbsp;7, 2022, Lazard delivered a customary relationship disclosures letter to the IEA board of directors. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Later on July&nbsp;7, 2022, representatives of Gibson Dunn delivered a revised draft merger agreement to Fried Frank. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On July&nbsp;8, 2022, the IEA board of directors held a meeting at which representatives of IEA management, Lazard and Gibson Dunn were
present. The directors reviewed Lazard&#146;s relationship disclosures letter and determined that none of the disclosed relationships would impact Lazard&#146;s ability to act in an independent and disinterested manner in rendering their services to
the IEA board of directors in connection with the potential transaction. As a <FONT STYLE="white-space:nowrap">follow-up</FONT> to the Lazard June&nbsp;16, 2022 presentation, IEA management discussed an update to the IEA management forecasts in
light of general market conditions impacting IEA and the economy and the industry as a whole. The IEA board of directors discussed the updated forecast and the assumptions underlying the forecast and instructed management to prepare additional
materials for discussion at the next meeting of the IEA board of directors. IEA management also provided an update on MasTec due diligence and Gibson Dunn led a discussion of the outstanding issues in the transaction documents. Lazard discussed
email correspondence from Mr.&nbsp;Pita communicating that MasTec remained excited about the prospect of a combination with IEA; however, MasTec still needed to complete outstanding financial due diligence. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On July&nbsp;9, 2022, representatives of IEA management and Gibson Dunn had a call with representatives of MasTec management and Fried Frank
to review the draft merger agreement and discuss other transaction documents. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On July&nbsp;12, 2022, the IEA board of directors held a
meeting at which representatives of IEA management, Lazard and Gibson Dunn were present. Representatives of Gibson Dunn provided a summary of the negotiations of the merger agreement and voting agreement and discussed the open issues with the IEA
board of directors, including the proposed marketing period, the proposed waiver of the 32% voting restriction and the other terms of the voting agreements. Representatives of IEA management also provided an update on the MasTec due diligence.
Representatives of IEA management and Lazard also discussed with the IEA board of directors the proposed updated forecast and answered questions from directors, including regarding the underlying assumptions. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On July&nbsp;13, 2022, representatives of Fried Frank delivered a revised draft merger agreement to Gibson Dunn. </P>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On July&nbsp;13, 2022 and July&nbsp;14, 2022, Mr.&nbsp;Roehm and Mr.&nbsp;Moerbeek visited
MasTec&#146;s offices in Coral Gables, Florida, to meet with MasTec executives, including Mr.&nbsp;Mas and Mr.&nbsp;Pita, to continue financial due diligence. The parties also discussed the communications that would need to be made in connection
with the announcement of any transaction. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On July&nbsp;14, 2022, Mr.&nbsp;Mas called Mr.&nbsp;Glanvill to state that, based on its
further financial due diligence, MasTec was struggling with the valuation attributed to IEA at the $14.75 per share amount reflected in the June&nbsp;22, 2022 Letter. Mr.&nbsp;Mas noted that their internal valuation analyses implied a per share
value for IEA lower than $14.75. Mr.&nbsp;Mas also noted that the financing was more expensive than MasTec originally contemplated in their initial offers. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Later on July&nbsp;14, 2022, Mr.&nbsp;Mas and Mr.&nbsp;Glanvill spoke again and Mr.&nbsp;Glanvill stated that he believed that the IEA board
of directors would not be opposed to an offer that included a portion of MasTec stock. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On July&nbsp;14, 2022, representatives of Gibson
Dunn delivered a revised draft voting agreement to Fried Frank incorporating comments from Paul Weiss. Consistent with requests from Paul Weiss and the Ares stockholders, the revised draft deleted the requirement to exercise <FONT
STYLE="white-space:nowrap">pre-funded</FONT> warrants and provided that the voting agreement would terminate upon termination of the merger agreement, a change of recommendation by the IEA board of directors, certain amendments to the merger
agreement and upon completion of the IEA special meeting to vote on the merger. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On July&nbsp;15, 2022, the IEA board of directors held a
meeting at which representatives of IEA management, Lazard and Gibson Dunn were present. Mr.&nbsp;Glanvill reported on his discussions with Mr.&nbsp;Mas and Mr.&nbsp;Roehm and provided an update on the financial due diligence meetings in Coral
Gables. IEA management then continued the discussions from prior meetings regarding the updated financial forecast, noting that the prior forecast, which had been provided to potential counterparties, was originally prepared in February 2022 and no
longer represented management&#146;s best estimates as to future financial performance. IEA management highlighted that the 2022 estimated results were not changed in the updated forecast, but that the series of market disruptions, including the
Ukraine war, extended supply chain delays and cost increases and commodity price spikes, and increased cost of capital for customers were expected to reduce the renewables buildouts in the near future, leading to expected margin compression and
reduced gross profit and EBITDA over the five-year period. See section entitled &#147;Transaction Summary &#150; IEA Management&#146;s Unaudited Prospective Financial Information&#148; beginning on page 62 of this proxy statement/prospectus for
additional details. The IEA board of directors also provided feedback suggesting adjustments to the updated forecasts and agreed that with such changes, the updated forecasts would be approved for use by Lazard in connection with its valuation
analyses and provided to MasTec. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Later on July&nbsp;15, 2022, Mr.&nbsp;Mas called Mr.&nbsp;Glanville and indicated that a revised
proposal would be delivered on Monday, July&nbsp;18, 2022. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Even later on July&nbsp;15, 2022, the IEA board of directors held a meeting at
which representatives of IEA management, Lazard and Gibson Dunn were present. During the meeting, Mr.&nbsp;Glanvill reported on his discussions with Mr.&nbsp;Mas, and the IEA board of directors agreed to reconvene following receipt of the revised
offer. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On July&nbsp;18, 2022, MasTec delivered an updated <FONT STYLE="white-space:nowrap">non-binding</FONT> proposal to acquire IEA for
a price of $13.50&nbsp;per share in cash or alternatively a price of $14.00 per share, comprised of $10.50 per share in cash with the remainder in the form of MasTec common stock at a fixed exchange ratio to be determined prior to signing. The
July&nbsp;18 letter also noted that MasTec would be providing a draft commitment letter for the bridge financing facility shortly thereafter and that MasTec was prepared to complete the definitive transaction agreements in a few days. Later on
July&nbsp;18, representatives of MasTec delivered a draft of the bridge financing commitment letter to Lazard. </P>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On July&nbsp;19, 2022, the IEA board of directors held a meeting at which representatives of
IEA management, Lazard and Gibson Dunn were present. Representatives of Lazard reviewed the proposal from MasTec and provided financial and business information regarding MasTec and a comparison to peer companies, including IEA. Representatives of
Gibson Dunn discussed implications of accepting a portion of the consideration in stock and, together with Lazard and IEA management, discussed with the IEA board of directors potential upside benefits and considerations of a part cash and part
stock consideration. Representatives of Lazard noted that MasTec&#146;s stock price would need to decline by 15% or more in order for the mixed consideration offer to have a value below the <FONT STYLE="white-space:nowrap">all-cash</FONT> offer.
Following discussion, the IEA board of directors instructed IEA management and Lazard to request <FONT STYLE="white-space:nowrap">non-public</FONT> due diligence information from MasTec, including anticipated Q2 2022 financial results and the impact
of an IEA transaction on MasTec guidance for the remainder of fiscal year 2022, as well as information regarding anticipated synergies from the transaction, so the IEA board of directors could reconvene and further assess the potential stock
consideration. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Later on July&nbsp;19, 2022, representatives of Lazard and Mr.&nbsp;Roehm had a call with Mr.&nbsp;Pita to address due
diligence questions of the IEA board of directors. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On July&nbsp;20, 2022, the IEA board of directors held a meeting at which
representatives of IEA management, Lazard and Gibson Dunn were present. Representatives of Lazard and IEA management provided an update to the IEA board of directors regarding the due diligence call and the financial information provided by MasTec.
Representatives of Lazard discussed the potential upside from the strategic combination of IEA and MasTec and the benefits and potential considerations of a cash and stock transaction compared to the lower
<FONT STYLE="white-space:nowrap">all-cash</FONT> offer. Following discussion the IEA board of directors instructed representatives of Gibson Dunn to deliver a revised draft merger agreement to MasTec that incorporated the necessary changes for a
mixed consideration transaction. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Later on July&nbsp;20, 2022, representatives of Gibson Dunn delivered a revised draft merger agreement
to Fried Frank providing for a part cash and part stock merger. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Between July&nbsp;20, 2022 and July&nbsp;24, 2022, representatives of
Gibson Dunn and Fried Frank, continued to negotiate the terms of the merger agreement and related documentation, including, together with Paul Weiss, the voting agreement. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On July&nbsp;24, 2022, the IEA board of directors held a meeting at which representatives of IEA management, Lazard and Gibson Dunn were
present. Representatives of Lazard reviewed with the IEA board of directors its financial analysis of the merger consideration and delivered to the IEA board of directors its opinion to the effect that, as of that date and based upon and subject to
the assumptions, qualifications, limitations and other matters set forth in Lazard&#146;s opinion, the merger consideration to be paid to holders of shares of IEA common stock (other than shares held by holders who are entitled to and properly
demand an appraisal of their shares, shares held in the treasury of IEA or owned by any direct or indirect wholly-owned subsidiary of IEA, MasTec or any direct or indirect wholly-owned subsidiary of MasTec and shares held by the Supporting
Stockholders (as defined in the merger agreement), in each case at the effective time) in the merger was fair, from a financial point of view, to such holders. Please see the section of this proxy statement entitled &#147;&#151;Opinion of IEA&#146;s
Financial Advisor&#148; beginning on page 52 for further description of the opinion and analyses of IEA&#146;s financial advisor. Thereafter, representatives of Gibson Dunn reviewed the proposed merger agreement and discussed the negotiation
regarding the marketing period, the voting commitments, the termination fee and other terms and conditions of the merger agreement. Following discussion, the IEA board of directors unanimously determined that the merger agreement and the
transactions contemplated thereby, including the merger, were advisable and fair to, and in the best interests of, IEA and its stockholders, and approved and declared advisable the execution, delivery and performance of the merger agreement and the
consummation of the transactions contemplated thereby, including the merger, and recommended the adoption of the merger agreement by IEA&#146;s stockholders. For a description of the various factors considered by the IEA board of directors, see the
section entitled &#147;Summary &#150; IEA Board Reasons for the Transaction and Recommendation.&#148; </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">47 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">After the IEA board of directors meeting, IEA and MasTec signed the merger agreement. IEA
and MasTec issued a joint press release regarding the transaction before the market open on July&nbsp;25, 2022. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><A NAME="toc338793_42"></A>IEA Board
Reasons for the Transaction and Recommendation </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">At its July&nbsp;24, 2022 meeting held to evaluate the merger agreement, the IEA board
of directors unanimously (i)&nbsp;determined that the terms of the merger agreement and the transactions contemplated thereby, including the merger, are fair to, and in the best interests of, IEA and its stockholders, (ii)&nbsp;determined that it is
in the best interests of IEA and its stockholders, and declared it advisable, to enter into the merger agreement, (iii)&nbsp;approved the execution and delivery by IEA of the merger agreement, the performance by IEA of its covenants and agreements
contained therein and the consummation of the merger and the other transactions contemplated by the merger agreement upon the terms and subject to the conditions set forth in the merger agreement and (iv)&nbsp;resolved to recommend that the IEA
stockholders vote to adopt the merger agreement. The IEA board of directors recommends that IEA stockholders vote: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="5%" VALIGN="top" ALIGN="left">1.</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">&#147;FOR&#148; the merger agreement proposal; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="5%" VALIGN="top" ALIGN="left">2.</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">&#147;FOR&#148; the merger-related compensation proposal; and </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="5%" VALIGN="top" ALIGN="left">3.</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">&#147;FOR&#148; the adjournment proposal. </P></TD></TR></TABLE>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">In evaluating the merger and the merger agreement and arriving at its determination, the IEA board of directors consulted with IEA&#146;s
senior management, representatives of IEA&#146;s financial advisor, Lazard, and IEA&#146;s outside legal counsel, Gibson Dunn, and considered a number of substantive factors, both positive and negative, and potential benefits and detriments of the
merger to IEA and its stockholders. The IEA board of directors believed that, taken as a whole, the following factors supported its decision to approve the merger: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt"><U>Premium to Trading Price of IEA Common Stock</U>. The fact that the blended value per share of IEA common
stock of $14.00, calculated as of July&nbsp;24, 2022, represented a premium of approximately 34% over the closing price per IEA common stock of $10.43 on July&nbsp;22, 2022, and a premium of approximately 57% over the
<FONT STYLE="white-space:nowrap">30-day</FONT> volume weighted average closing price per IEA common stock ending on July&nbsp;22, 2022 of $8.94. </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt"><U>Uncertainty of Future Common Stock Market Price</U>. The IEA board of directors considered IEA&#146;s
business, assets, financial condition, results of operations, management, competitive position and prospects, as well as current industry, economic and stock and credit market conditions. The IEA board of directors also considered IEA&#146;s long
range plan and the initiatives and the potential execution risks associated with such plan. In connection with these considerations, the IEA board of directors considered the attendant risk that if IEA remained independent, IEA common stock might
not trade at levels equal to or greater than the value of the merger consideration in the near term, over an extended period of time or at all. </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt"><U>Extensive Negotiations with MasTec</U>. The IEA board of directors considered the fact that the merger
consideration reflected extensive negotiations between IEA and MasTec and their respective advisors, and the belief of the IEA board that the merger consideration represents the best proposal and economic value available to IEA&#146;s stockholders
and that there was no assurance that a more favorable opportunity to sell IEA would arise later or through any alternative transaction. </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt"><U>Results of Strategic Outreach Process</U>. The transaction with MasTec was the result of a strategic outreach
process overseen by the IEA board of directors. The IEA board of directors considered that Lazard engaged in discussions with 24 potential counterparties, consisting of strategic acquirors and financial sponsors, including financial sponsors with
portfolio companies in the same industry as IEA, concerning their interest in an acquisition of IEA. The IEA board of directors considered the nature of the engagement by each of these potential counterparties over multiple meetings.
</P></TD></TR></TABLE>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt"><U>Liquidity and Certainty of Value</U>. The merger consideration to be paid to IEA&#146;s stockholders will
consist of cash, which provides immediate liquidity and certainty of value to IEA&#146;s stockholders, and freely tradable MasTec common stock. </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt"><U>Significant Portion of Merger Consideration in Cash</U>. The fact that a majority of the merger consideration
will be paid in cash, giving IEA stockholders the opportunity to immediately realize value for a significant portion of their investment and providing certainty of value. </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt"><U>Participation in Potential Upside</U>. The IEA board of directors also considered the fact that, since a
portion of the merger consideration will be paid in shares of MasTec common stock, IEA stockholders will benefit from an approximately 3.0% pro forma continuing equity ownership in MasTec (based on share data of IEA and MasTec on July&nbsp;24, 2022)
and have the opportunity to participate in any future earnings or growth of MasTec and future appreciation in the value of MasTec common stock following the merger should they determine to retain the shares of MasTec common stock payable in the
merger. </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt"><U>Fixed Exchange Ratio for Stock Portion of Merger Consideration</U>. The fact that because the stock
consideration is based on a fixed exchange ratio of 0.0483 of a share of MasTec common stock, IEA stockholders receiving a portion of the merger consideration in shares of MasTec common stock will have the opportunity to benefit from any increase in
the trading price of shares of MasTec common stock between the announcement of the merger agreement and the completion of the merger and that the cash portion of the merger consideration will limit the impact of a decline in the trading price of
MasTec common stock on the aggregate value of the merger consideration. </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt"><U>Expected Cost Synergies</U>. The expectation that MasTec will recognize anticipated cost synergies following
consummation of the merger, which IEA stockholders will benefit from as continuing stockholders of MasTec. The IEA board of directors also considered that there could be no assurance that any particular amount of such synergies would be achieved
following completion of the merger or the timeframe in which they would be achieved. </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt"><U>Financial Analyses and Opinion of Lazard</U>. The oral opinion of Lazard rendered to the IEA board of
directors, subsequently confirmed by delivery of the written opinion of Lazard, dated July&nbsp;24, 2022, that, as of the date of the merger agreement and based upon and subject to the assumptions, qualifications, limitations and other matters set
forth therein, the Merger Consideration to be paid to holders of shares of IEA common stock (other than shares held by holders who are entitled to and properly demand an appraisal of their shares, shares held in the treasury of IEA or owned by any
direct or indirect wholly-owned subsidiary of IEA, MasTec or any direct or indirect wholly-owned subsidiary of MasTec and shares held by the stockholders entering into voting agreements, in each case at the effective time) in the merger is fair,
from a financial point of view, to such holders. The opinion is more fully described in the section titled &#147;&#151;Opinion of IEA&#146;s Financial Advisor&#148; and the full text of the opinion is attached as Annex E<B> </B>to this proxy
statement/prospectus. The IEA board of directors considered that Lazard, in connection with delivering its opinion, performed a variety of financial and comparative analyses described in the section titled &#147;&#151;Opinion of IEA&#146;s Financial
Advisor.&#148; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt"><U>Likelihood of Consummation</U>. The likelihood that the merger would be completed, in light of, among other
things, the conditions to the merger and the efforts required to obtain regulatory approvals. </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt"><U>Terms of the Merger Agreement</U>. The terms and conditions of the merger agreement, including:
</P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD WIDTH="10%">&nbsp;</TD>
<TD WIDTH="2%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the representations, warranties and covenants of the parties, the conditions to the parties&#146; obligations to
complete the merger and their ability to terminate the merger agreement; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="10%">&nbsp;</TD>
<TD WIDTH="2%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the provisions of the merger agreement that allow the IEA board of directors to change its recommendation in
favor of the adoption of the merger agreement in response to a superior proposal and terminate the merger agreement in order to accept a superior proposal if the IEA board of directors has determined in good faith, after consultation with its
outside legal counsel and financial advisors, that an acquisition proposal is a superior proposal and, after consultation with its financial advisors and outside legal counsel, that failure to take such action would
</P></TD></TR></TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">49 </P>

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<TD WIDTH="13%">&nbsp;</TD>
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">
reasonably be expected to be inconsistent with the IEA board of directors&#146; fiduciary duties (including taking into account any modifications to the terms of the merger agreement that are
proposed by MasTec) and, in connection with the termination of the merger agreement, payment to MasTec of a $27.5&nbsp;million termination fee, subject to IEA&#146;s compliance with certain procedural requirements; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="10%">&nbsp;</TD>
<TD WIDTH="2%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the provisions of the merger agreement that allow the IEA board of directors to change its recommendation in
favor of the adoption of the merger agreement (other than in response to the receipt of a written bona fide acquisition proposal, which is subject to the preceding <FONT STYLE="white-space:nowrap">sub-bullet</FONT> above) if the IEA board of
directors has determined in good faith, after consultation with its outside legal counsel, that failure to take such action would reasonably be expected to be inconsistent with its directors&#146; fiduciary duties (including taking into account any
modifications to the terms of the merger agreement that are proposed by MasTec), subject to IEA&#146;s compliance with certain procedural requirements; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="10%">&nbsp;</TD>
<TD WIDTH="2%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the belief of the IEA board of directors that the payment of the $27.5&nbsp;million termination fee is not likely
to unduly discourage competing third-party proposals or reduce the price of such proposals and that the $27.5&nbsp;million termination fee would make it more likely for potential acquirors to consider making a superior proposal, that such
termination fee and provisions are customary for transactions of this size and type and that the sizes of the termination fee is reasonable in the context of comparable transactions; and </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="10%">&nbsp;</TD>
<TD WIDTH="2%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the ability of IEA to specifically enforce the terms of the merger agreement. </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt"><U>Timing Considerations</U>. The belief of the IEA board of directors that the benefits of soliciting interest
from other potential parties were outweighed by a number of risks, including that such solicitation would further increase market speculation and jeopardize or, at a minimum, delay the merger. The IEA board of directors also observed that IEA had
the right to consider unsolicited proposals until the meeting of the IEA stockholders to vote on the merger agreement proposal and to enter into an agreement with respect to an acquisition proposal under certain circumstances (concurrently with
terminating the merger agreement and paying the $27.5 million). </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt"><U>MasTec&#146;s Business and Reputation</U>. The results of the due diligence investigation that IEA&#146;s
senior management conducted with the assistance of its advisors on MasTec with respect to certain matters and MasTec&#146;s business reputation and capabilities of MasTec and its management. The IEA board of directors also considered MasTec&#146;s
strong track record as an experienced acquirer, which is likely to facilitate an effective and timely integration of IEA&#146;s business and operations. </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt"><U>Financing Strength of MasTec</U>. The fact that MasTec has obtained committed debt financing for the merger
from reputable financial institutions and the likelihood that MasTec would be able to finance the merger given MasTec&#146;s financial resources and financial profile. </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt"><U>Availability of Appraisal Rights</U>. The fact that appraisal rights would be available to holders of IEA
common stock under Delaware law and that there was no condition in the merger agreement relating to the maximum number of shares of IEA common stock that could exercise appraisal rights. </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt"><U>Derek Glanvill, Roehm Stockholders and Ares Stockholders Voting Agreements</U>. The support of the merger by
Derek Glanvill, the Roehm stockholders and the Ares stockholders, as evidenced by the execution of the voting agreements. </P></TD></TR></TABLE>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The IEA board of directors also considered certain potentially negative factors in its deliberations concerning the merger, including the
following: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt"><U>Fixed Stock Ratio of Merger Consideration</U>. The fact that because the stock portion of the merger
consideration is a fixed exchange ratio of shares of MasTec common stock to IEA common stock, IEA stockholders could be adversely affected by a decrease in the trading price of MasTec common stock during the pendency of the merger and the fact that
the merger agreement does not provide IEA with a </P></TD></TR></TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">50 </P>

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<TD WIDTH="9%">&nbsp;</TD>
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">
termination right or other similar protection relating to the trading price of MasTec common stock. The IEA board of directors noted that IEA stockholders will also receive cash consideration,
which limits the impact of a decline in the trading price of MasTec common stock on the value of the merger consideration. </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt"><U>Possible Failure to Achieve Synergies</U>. The risk that the potential benefits and synergies sought in the
merger will not be realized or will not be realized within the expected time period, and the risk associated with the integration by MasTec of IEA. </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt"><U>Smaller Ongoing Equity Participation in MasTec by IEA Stockholders</U>. The fact that because only
approximately 25% of the merger consideration will be in the form of MasTec common stock, IEA stockholders will have a smaller ongoing equity participation in MasTec (and, as a result, a smaller opportunity to participate in any future earnings or
growth of MasTec and future appreciation in the value of MasTec common stock following the completion of the merger) than they have in IEA. </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt"><U>Risk of <FONT STYLE="white-space:nowrap">Non-Completion</FONT></U>. The possibility that the merger might not
be completed, including as a result of the failure to obtain regulatory approvals or the failure of IEA stockholders to approve the merger agreement proposal, and the effect the resulting public announcement of the termination of the merger
agreement may have on: </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="10%">&nbsp;</TD>
<TD WIDTH="2%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the trading price of IEA common stock; and </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="10%">&nbsp;</TD>
<TD WIDTH="2%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">IEA&#146;s business and operating results, particularly in light of the costs incurred in connection with the
merger. </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt"><U>Possible Deterrence of Competing Offers</U>. The risk that various provisions of the merger agreement,
including the requirement that IEA must pay to MasTec a termination fee of $27.5&nbsp;million if the merger agreement is terminated under certain circumstances, may discourage other parties potentially interested in an acquisition of, or combination
with, IEA from pursuing that opportunity. </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt"><U>Possible Disruption of the Business and Costs and Expenses</U>. The possible disruption to IEA&#146;s business
that may result from the merger, the resulting distraction of IEA&#146;s management and potential attrition of IEA&#146;s employees, as well as the costs and expenses associated with completing the merger. </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt"><U>Restrictions on Operation of IEA&#146;s Business</U>. The requirement that IEA conduct its business in a
commercially reasonable manner and in all material respects in the ordinary course of business consistent with past practice prior to completion of the merger. </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt"><U>Impact of Announcement</U>. The uncertainty about the effect of the merger, regardless of whether the merger
is completed, on IEA&#146;s employees, customers and other parties, may impair IEA&#146;s ability to attract, retain and motivate key personnel, and could cause customers, suppliers and others to seek to change existing business relationships with
IEA, and the potential for litigation arising in connection with the merger. </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="10%">&nbsp;</TD>
<TD WIDTH="2%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt"><U>Need to Obtain Required Regulatory Clearance</U>. The fact that completion of the merger would require
approval, or expiration or termination of the applicable waiting period, under the HSR Act. </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="10%">&nbsp;</TD>
<TD WIDTH="2%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt"><U>Other Risks</U>. The risks described under &#147;Risk Factors&#148; beginning on page 24.
</P></TD></TR></TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The IEA board of directors concluded that the potentially negative factors associated with the merger were
significantly outweighed by the potential benefits that it expected the IEA stockholders would achieve as a result of the merger, including the belief of the IEA board of directors that the merger would maximize the immediate value of IEA
stockholders&#146; shares and minimize the risks and uncertainty affecting the future prospects of IEA, including the potential execution risks associated with its stand-alone financial plan. Accordingly, the IEA board of directors unanimously
(i)&nbsp;determined that the terms of the merger agreement and the merger are fair to, and in the best interests of, IEA and the IEA stockholders, (ii)&nbsp;determined that it is in the best interests of IEA and the IEA stockholders, and declared it
advisable, to enter into the merger agreement, (iii)&nbsp;approved the execution and delivery by IEA of the merger agreement, the performance by IEA of its covenants and agreements contained </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">51 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">
therein and the consummation of the merger upon the terms and subject to the conditions set forth in the merger agreement and (iv)&nbsp;resolved to recommend that the IEA stockholders vote to
adopt the merger agreement. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">In addition, the IEA board of directors was aware of and considered the interests that IEA&#146;s directors
and executive officers may have with respect to the merger that differ from, or are in addition to, the interests of stockholders of IEA generally, as described under &#147;&#151;Interests of IEA&#146;s Directors and Executive Officers in the
Transaction.&#148; </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The foregoing discussion of the information and factors considered by the IEA board of directors is not exhaustive,
but IEA believes it includes all the material factors considered by the IEA board of directors. In view of the wide variety of factors considered in connection with its evaluation of the merger and the complexity of these matters, the IEA board of
directors did not consider it practicable to, and did not attempt to, quantify or otherwise assign relative or specific weight or values to any of these factors. Rather, the IEA board of directors viewed its position and recommendation as being
based on an overall analysis and on the totality of the information presented to and factors considered by it. In addition, in considering the factors described above, individual directors may have given different weights to different factors. The
IEA board of directors based its unanimous recommendation on the totality of the information presented. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">This explanation of IEA&#146;s
reasons for the merger and other information presented in this section is forward-looking in nature and, therefore, should be read in light of the factors described under &#147;Cautionary Note Regarding Forward-Looking Statements.&#148; </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><A NAME="toc338793_43"></A>MasTec&#146;s Reasons for the Transaction </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The board of directors of MasTec considered a number of factors in making its determination to approve the transaction. These factors include
the view of the board of directors of MasTec that the transaction is expected to: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">expand MasTec&#146;s presence in the renewable power generation market, adding renewable power capabilities in
the union area and enhancing <FONT STYLE="white-space:nowrap">non-union</FONT> crew capacity and scale in a challenging labor market; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">expand MasTec&#146;s civil and infrastructure operations, increasing its size, scale and capacity in a growing
market; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
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<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">diversify MasTec&#146;s customer base and create new growth opportunities with MasTec&#146;s existing customers
by broadening MasTec&#146;s service capabilities, including providing MasTec with access to renewable power union projects and customers; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">add an experienced leadership team with deep knowledge, experience and relationships and that has a strong
cultural fit with MasTec; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">allow MasTec to benefit from continued service category diversification towards renewables, furthering
MasTec&#146;s sustainability and ESG commitment; and </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">be an effective and targeted use of MasTec&#146;s capital, with immediate expected benefits to MasTec without
taking into account synergies. </P></TD></TR></TABLE> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><A NAME="toc338793_44"></A>Opinion of IEA&#146;s Financial Advisor </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">IEA retained Lazard to act as its financial advisor in connection with the merger. In connection with this engagement, the IEA board of
directors requested that Lazard evaluate the fairness, from a financial point of view, to holders of IEA common stock (other than excluded holders) of the merger consideration to be paid to such holders in the merger. On July&nbsp;24, 2022, at a
meeting of the IEA board of directors held to evaluate the merger agreement and the merger, Lazard rendered to the IEA board of directors an oral opinion, which was subsequently confirmed in writing by delivery of Lazard&#146;s written opinion,
dated as of the same date, to the </P>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">
effect that, as of such date, and based upon and subject to the assumptions made, procedures followed, matters considered and qualifications and limitations set forth in Lazard&#146;s written
opinion, the merger consideration to be paid to holders of IEA common stock (other than excluded holders) in the merger was fair, from a financial point of view, to such holders. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B>The full text of Lazard&#146;s written opinion, dated July&nbsp;24, 2022, which sets forth, among other things, the assumptions made,
procedures followed, matters considered and qualifications and limitations on the review undertaken by Lazard in connection with its opinion, is attached to this proxy statement/prospectus as Annex E and is incorporated by reference herein in its
entirety. The following summary of Lazard&#146;s opinion is qualified in its entirety by reference to the full text of Lazard&#146;s opinion attached as Annex E. You are encouraged to read Lazard&#146;s opinion and this section carefully and in
their entirety. </B></P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Lazard&#146;s engagement and its opinion were for the benefit of the IEA board of directors (in its capacity as
such), and Lazard&#146;s opinion was rendered to the IEA board of directors in connection with the IEA board of directors&#146; evaluation of the merger and addressed only the fairness as of the date of the opinion, from a financial point of view,
to holders of IEA common stock (other than excluded holders) of the merger consideration to be paid to such holders in the merger. Lazard&#146;s opinion was not intended to, and does not, constitute a recommendation to any stockholder as to how such
stockholder should vote or act with respect to the merger or any matter relating thereto. Lazard&#146;s opinion was necessarily based on economic, monetary, market and other conditions as in effect on, and the information made available to Lazard as
of, the date of the opinion. Lazard expressed no opinion as to the volatility and disruption in the credit and financial markets relating to, among others, the <FONT STYLE="white-space:nowrap">COVID-19</FONT> pandemic and Russia&#146;s invasion of
Ukraine and the effects of such volatility or such disruption on IEA. Lazard assumed no responsibility for updating or revising its opinion based on circumstances or events occurring after the date of the opinion. Lazard did not express any opinion
as to the prices at which shares of IEA common stock or MasTec common stock may trade at any time subsequent to the announcement of the merger. In addition, Lazard&#146;s opinion did not address the relative merits of the merger as compared to any
other transaction or business strategy in which IEA might engage or the merits of the underlying decision by IEA to engage in the merger. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">In connection with its opinion, Lazard: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
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<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">Reviewed the financial terms and conditions of a draft, dated as of July&nbsp;24, 2022, of the merger agreement;
</P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">Reviewed certain publicly available historical business and financial information relating to IEA and MasTec;
</P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">Reviewed various financial forecasts and other data provided to Lazard by IEA relating to the business of IEA,
including the financial forecasts identified as the IEA prior management plan and the IEA updated management plan that are described in the section entitled &#147;&#151;IEA Management&#146;s Unaudited Prospective Financial Information&#148;
beginning on page 62 of this proxy statement/prospectus and other data provided to Lazard by MasTec relating to the business of MasTec, including MasTec&#146;s view with respect to potential synergies anticipated by the management of MasTec to be
realized from the merger; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">Held discussions with members of the senior managements of IEA and MasTec with respect to the businesses and
prospects of IEA and MasTec, respectively, and the potential synergies anticipated by the management of MasTec to be realized from the merger; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">Reviewed public information with respect to certain other companies in lines of business Lazard believed to be
generally relevant in evaluating the businesses of IEA and MasTec, respectively; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">Reviewed the financial terms of certain business combinations involving companies in lines of business Lazard
believed to be generally relevant in evaluating the business of IEA; </P></TD></TR></TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">53 </P>

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<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">Reviewed historical stock prices and trading volumes of IEA common stock and MasTec common stock; and
</P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">Conducted such other financial studies, analyses and investigations as Lazard deemed appropriate.
</P></TD></TR></TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Lazard assumed and relied upon the accuracy and completeness of the foregoing information, without independent
verification of such information. Lazard did not conduct any independent valuation or appraisal of any of the assets or liabilities (contingent or otherwise) of IEA or MasTec or concerning the solvency or fair value of IEA or MasTec, and Lazard was
not furnished with any such valuation or appraisal. Management of IEA advised Lazard that the IEA updated management plan was approved by the IEA board of directors and represented as of the date of Lazard&#146;s opinion IEA&#146;s best currently
available estimates and judgments as to the future financial performance of IEA and, accordingly, at the direction of IEA, Lazard utilized only the IEA updated management plan for purposes of Lazard&#146;s analysis in connection with its evaluation
of the merger and its opinion. With respect to the financial forecasts utilized in Lazard&#146;s analyses, Lazard assumed, with the consent of IEA, that they were reasonably prepared on bases reflecting the best currently available estimates and
judgments as to the future financial performance of IEA. Lazard assumed no responsibility for and expressed no view as to any such forecasts or the assumptions on which they were based. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">In rendering its opinion, Lazard assumed, with the consent of IEA, that the merger would be consummated on the terms described in the merger
agreement, without any waiver or modification of any material terms or conditions. Representatives of IEA advised Lazard, and Lazard assumed, that the merger agreement, when executed, would conform to the draft reviewed by Lazard in all material
respects. Lazard also assumed, with the consent of IEA, that obtaining the necessary governmental, regulatory or third-party approvals and consents for the merger would not have an adverse effect on IEA or the merger. Lazard did not express any
opinion as to any tax or other consequences that might result from the merger, nor did Lazard&#146;s opinion address any legal, tax, regulatory or accounting matters, as to which Lazard understood that IEA had obtained such advice as it deemed
necessary from qualified professionals. Lazard expressed no view or opinion as to any terms or other aspects (other than the merger consideration to the extent expressly specified in the opinion) of the merger, including, without limitation, the
form or structure of the merger or any agreements or arrangements entered into in connection with, or contemplated by, the merger, including the Voting Agreements (as defined in the merger agreement) between the Supporting Stockholders and MasTec
and any consideration payable to any holder of any <FONT STYLE="white-space:nowrap">Pre-Funded</FONT> Warrant, Anti-Dilution Warrant, SPAC Warrant or Series B Warrant (each as defined in the merger agreement). In addition, Lazard expressed no view
or opinion as to the fairness of the amount or nature of, or any other aspects relating to, the compensation to any officers, directors or employees of any parties to the merger, or class of such persons, relative to the merger consideration or
otherwise. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">In connection with rendering its opinion, Lazard performed certain financial analyses and reviews of certain information that
Lazard deemed appropriate as summarized below under &#147;&#151;<I>Summary of Lazard Financial Analyses</I>,&#148; and Lazard also performed certain additional financial analyses and reviews as summarized below under &#147;&#151;<I>Other
Analyses</I>&#148;. The summary of Lazard&#146;s analyses and reviews provided below under &#147;&#151;<I>Summary of Lazard Financial Analyses</I>&#148; and &#147;&#151;<I>Other Analyses</I>&#148; is not a complete description of the analyses and
reviews underlying Lazard&#146;s opinion. The preparation of a fairness opinion is a complex process involving various determinations as to the most appropriate and relevant methods of financial analysis and review and the application of those
methods to particular circumstances and, therefore, is not readily susceptible to partial analysis or summary description. Considering selected portions of these analyses and reviews or the summary contained in &#147;&#151;<I>Summary of Lazard
Financial Analyses</I>&#148; and &#147;&#151;<I>Other Analyses</I>&#148;, without considering the analyses and reviews as a whole, could create an incomplete or misleading view of the analyses and reviews underlying Lazard&#146;s opinion. In
arriving at its opinion, Lazard considered the results of all of its analyses and reviews and did not attribute any particular weight to any particular analysis or review or application thereof considered by it; rather, Lazard made its determination
as to fairness on the basis of its experience and professional judgment after considering the results of all of its analyses and reviews. </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">54 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">For purposes of its analyses and reviews, Lazard considered industry performance, general
business, economic, market and financial conditions and other matters, many of which are beyond the control of IEA. No company, business or transaction used in Lazard&#146;s analyses and reviews, as a comparison, is identical to IEA or the merger,
and an evaluation of the results of those analyses and reviews is not entirely mathematical. Rather, the analyses and reviews involve complex considerations and judgments concerning financial and operating characteristics and other factors that
could affect the acquisition, public trading or other values of the companies, businesses or transactions used in Lazard&#146;s analyses and reviews. The estimates contained in Lazard&#146;s analyses and reviews and the ranges of valuations
resulting from any particular analysis or review are not necessarily indicative of actual results or values or predictive of future results or values, which may be significantly more or less favorable than those suggested by Lazard&#146;s analyses
and reviews. In addition, analyses and reviews relating to the value of companies, businesses or securities do not purport to be appraisals or to reflect the prices at which companies, businesses or securities actually may be sold. Accordingly, the
estimates used in, and the results derived from, Lazard&#146;s analyses and reviews are inherently subject to substantial uncertainty. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Lazard was instructed by IEA to use the IEA updated management plan as the basis for its analyses. For purposes of the analyses and reviews
described below, as applicable, unless otherwise noted, (a)&nbsp;Lazard assumed, with the consent of and as provided by IEA, net debt of approximately $302&nbsp;million (as of March&nbsp;31, 2022, and including $64&nbsp;million in capital leases,
$31&nbsp;million of proceeds from the exercise of merger warrants, $5&nbsp;million of proceeds from the exercise of vested options and a negligible amount from the exercise of <FONT STYLE="white-space:nowrap">pre-funded</FONT> warrants) and
approximately 58.7&nbsp;million fully diluted shares (including 54.8&nbsp;million diluted shares outstanding, 2.7&nbsp;million shares issued from merger warrants, 0.8&nbsp;million anti-dilution warrants and 0.4&nbsp;million unvested PSUs) and
(b)&nbsp;present value date means March&nbsp;31, 2022. Implied price per share ranges for shares of IEA common stock were rounded to the nearest $0.25. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I>Summary of Lazard Financial Analyses </I></B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B>The summary of the analyses and reviews provided below includes information presented in tabular format. In order to fully understand
Lazard&#146;s analyses and reviews, the tables must be read together with the full text of each summary. The tables alone do not constitute a complete description of Lazard&#146;s analyses and reviews. Considering the data in the tables below
without considering the full description of the analyses and reviews, including the methodologies and assumptions underlying the analyses and reviews, could create a misleading or incomplete view of Lazard&#146;s analyses and reviews. </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Except as otherwise noted, the following quantitative information, to the extent that it is based on market data, is based on market data as
it existed on or before July&nbsp;22, 2022, and is not necessarily indicative of current market conditions. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><I>Selected Comparable Company Multiples
Analysis </I></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Lazard reviewed and analyzed certain financial information, valuation multiples and market trading data related to selected
comparable publicly traded specialty engineering and construction (referred to as &#147;E&amp;C&#148;) companies and specialty civil E&amp;C companies whose operations Lazard believed, based on its experience with companies in such industries and
its professional judgment, to be generally relevant in analyzing IEA&#146;s operations for purposes of this analysis. Lazard compared such information of the selected comparable companies to the corresponding information for IEA. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The selected group of companies used in this analysis (referred to as the &#147;IEA comparable companies&#148;) was as follows: </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><U>Specialty E&amp;C Companies</U>: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">Dycom Industries, Inc.; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">MasTec, Inc.; </P></TD></TR></TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">55 </P>

</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>


<Center><DIV STYLE="width:8.5in" align="left">

<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">MYR Group, Inc.; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">Primoris Services Corporation; and </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">Quanta Services, Inc. </P></TD></TR></TABLE>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><U>Specialty Civil E&amp;C Companies</U>: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">Granite Construction Inc.; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">Sterling Infrastructure, Inc.; and </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">Tutor Perini Corporation. </P></TD></TR></TABLE>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Lazard selected the companies reviewed in this analysis because, among other things, the IEA comparable companies operate businesses similar
to the business of IEA. However, no selected company is identical to IEA. Accordingly, Lazard believes that purely quantitative analyses are not, in isolation, determinative in the context of the merger and that qualitative judgments concerning
differences between the business, financial and operating characteristics and prospects of IEA and the IEA comparable companies that could affect the public trading values of each company also are relevant. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Lazard calculated and compared various financial multiples and ratios of each of the IEA comparable companies, including, among other things,
the ratio of each company&#146;s enterprise value, which Lazard calculated as the market capitalization of each company (based on each company&#146;s closing share price as of July&nbsp;22, 2022, and fully-diluted share count as of the applicable
date specified in its Quarterly Report on Form <FONT STYLE="white-space:nowrap">10-Q</FONT> for the most recent fiscal quarter), plus debt, <FONT STYLE="white-space:nowrap">non-controlling</FONT> interest and preferred or preference stock and less
cash, cash equivalents and marketable securities as of the date of each company&#146;s most recent fiscal quarter, to its calendar year 2022 and 2023 estimated earnings before interest, taxes, depreciation and amortization, or &#147;EBITDA,&#148;
(which ratio is referred to as the &#147;EBITDA multiple&#148;). </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The EBITDA estimates for each of the IEA comparable companies used by
Lazard in its analysis were based on public filings and FactSet consensus estimates. The following table summarizes the results of this review: </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><U>Specialty E&amp;C Companies: </U></P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="76%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">


<TR>

<TD WIDTH="76%"></TD>

<TD VALIGN="bottom" WIDTH="5%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="5%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>2022E<BR>EBITDA<BR>Multiple</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>2023E<BR>EBITDA<BR>Multiple</B></TD>
<TD VALIGN="bottom">&nbsp;</TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Dycom Industries, Inc.</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">11.2x</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">8.5x</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">MasTec, Inc.</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">8.7x</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">6.9x</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">MYR Group, Inc.</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">9.0x</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">8.3x</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Primoris Services Corporation<SUP STYLE="font-size:75%; vertical-align:top">(1)</SUP></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">6.5x</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">5.8x</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Quanta Services, Inc.</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">14.3x</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">13.2x</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
</TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><U>Specialty Civil E&amp;C Companies: </U></P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="76%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">


<TR>

<TD WIDTH="74%"></TD>

<TD VALIGN="bottom" WIDTH="8%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="8%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>2022E<BR>EBITDA<BR>Multiple</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>2023E<BR>EBITDA<BR>Multiple</B></TD>
<TD VALIGN="bottom">&nbsp;</TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Granite Construction Inc.</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">6.0x</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">5.0x</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Sterling Infrastructure, Inc.</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">5.5x</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">4.9x</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Tutor Perini Corporation</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">4.4x</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">3.4x</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
</TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">56 </P>

</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>


<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><U>Summary Statistics: </U></P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="76%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">


<TR>

<TD WIDTH="76%"></TD>

<TD VALIGN="bottom" WIDTH="7%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="7%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>2022E<BR>EBITDA<BR>Multiple</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>2023E<BR>EBITDA<BR>Multiple</B></TD>
<TD VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>Median</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>Median</B></TD>
<TD VALIGN="bottom">&nbsp;</TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Specialty E&amp;C (excl. Quanta Services, Inc. and Dycom Industries, Inc.)<SUP
STYLE="font-size:75%; vertical-align:top">(2)</SUP></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">8.7x</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">6.9x</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Specialty Civil E&amp;C</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">5.5x</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">4.9x</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Combined peer set of IEA comparable companies (excl.&nbsp;Quanta Services, Inc. and Dycom
Industries,&nbsp;Inc.)<SUP STYLE="font-size:75%; vertical-align:top">(2)(3)</SUP></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">7.7x</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">6.3x</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
</TABLE> <P STYLE="line-height:8.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1px solid #000000;width:11%">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">(1)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Primoris includes pro forma acquisition of PLH Group; $470&nbsp;million included in long-term debt balance and
$54&nbsp;million in EBITDA. </P></TD></TR></TABLE>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">(2)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Quanta Services, Inc. was excluded because of its significantly larger scale and greater exposure to utility <FONT
STYLE="white-space:nowrap">end-markets.</FONT> Dycom Industries, Inc. was excluded because of its greater exposure to the telecom <FONT STYLE="white-space:nowrap">end-market.</FONT> </P></TD></TR></TABLE>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">(3)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Combined peer set medians calculated as a weighted average of Specialty E&amp;C companies (excluding Quanta
Services, Inc. and Dycom Industries, Inc.) (70%) and Specialty Civil E&amp;C companies (30%) to reflect IEA&#146;s gross margin contribution of Renewables (70%) and Specialty Civil (30%) segments. </P></TD></TR></TABLE>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Based on an analysis of the EBITDA multiples for each of the IEA comparable companies, as well as its professional judgment and experience,
Lazard selected a reference range of 6.75x to 8.75x for the 2022E EBITDA multiple. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Lazard applied such range of EBITDA multiples for the
IEA comparable companies to the estimated 2022 EBITDA of IEA, based on estimates provided by IEA in the IEA updated management plan. Lazard&#146;s application of such EBITDA multiples assumed an IEA valuation multiple range in line with IEA&#146;s
peers, although Lazard noted that IEA has historically traded below its peers. Lazard averaged the results of these calculations and, from this analysis, estimated an implied value range for shares of IEA common stock. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">This analysis resulted in an implied price per share range for shares of IEA common stock, as compared to the per share merger consideration
(based on a value as of July&nbsp;24, 2022 of $14.00 per share, comprised of $10.50 per share in cash and the remainder in the form of MasTec common stock), as set forth below. </P>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="68%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:8pt" ALIGN="center">


<TR>

<TD WIDTH="58%"></TD>

<TD VALIGN="bottom" WIDTH="33%"></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom" NOWRAP ALIGN="center"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-bottom:1.00pt solid #000000; display:table-cell; font-size:8pt; font-family:Times New Roman; " ALIGN="center"><B>Implied Price Per Share
Range</B></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>Per&nbsp;Share&nbsp;Merger&nbsp;Consideration</B></TD></TR>


<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" ALIGN="center">$12.00&#151;$17.00</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top">$14.00</TD></TR>
</TABLE> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><I>Selected Precedent Transactions Multiples Analysis </I></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Lazard reviewed and analyzed selected precedent merger and acquisition transactions involving companies in the industry it viewed as generally
relevant in analyzing IEA. In performing this analysis, Lazard reviewed certain financial information and transaction multiples relating to the companies involved in such selected transactions and compared such information to the corresponding
information for IEA. Specifically, Lazard selected and reviewed five merger and acquisition transactions announced since 2020 involving companies in the industry for which sufficient information was available. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Lazard reviewed, among other things, the EBITDA multiples of each of the target companies implied by the selected transactions by comparing
the enterprise value implied by the acquisition price (excluding any contingent earnout consideration) to the relevant target company&#146;s estimated EBITDA at the time of the transaction for the fiscal year immediately following the fiscal year in
which the relevant transaction was announced (referred to as &#147;FY+1&#148;). </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">57 </P>

</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>


<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The selected group of transactions reviewed in this analysis and a summary of the results of
this review is as follows: </P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">


<TR>

<TD WIDTH="26%"></TD>

<TD VALIGN="bottom" WIDTH="5%"></TD>
<TD WIDTH="30%"></TD>

<TD VALIGN="bottom" WIDTH="5%"></TD>
<TD WIDTH="23%"></TD>

<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom" NOWRAP ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"> <P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>Announcement Date</B></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"> <P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>Acquiror</B></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"> <P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>Target</B></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>FY+1 EBITDA<BR>Multiple</B></TD></TR>


<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" ALIGN="center">2020</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top" ALIGN="center">Oaktree&nbsp;Capital&nbsp;Management&nbsp;LP</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top" ALIGN="center">Signal Energy, LLC</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top" ALIGN="center">NA<SUP STYLE="font-size:75%; vertical-align:top">(1)</SUP></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" ALIGN="center">May 2021</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top" ALIGN="center">Confidential Buyer</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top" ALIGN="center">Confidential Target</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top" ALIGN="center">6.7x</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" ALIGN="center">September 2021</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top" ALIGN="center">Confidential Buyer</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top" ALIGN="center">Confidential Target</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top" ALIGN="center">7.3x<SUP STYLE="font-size:75%; vertical-align:top">(2)</SUP></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" ALIGN="center">October 2021</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top" ALIGN="center">Quanta Services, Inc.</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top" ALIGN="center">Blattner&nbsp;Holding&nbsp;Company</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top" ALIGN="center">10.0x<SUP STYLE="font-size:75%; vertical-align:top">(2)</SUP></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" ALIGN="center">December 2021</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top" ALIGN="center">Koch Industries</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top" ALIGN="center">DEPCOM Power</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top" ALIGN="center">NA<SUP STYLE="font-size:75%; vertical-align:top">(1)</SUP></TD></TR>
</TABLE> <P STYLE="line-height:8.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1px solid #000000;width:11%">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">(1)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Not publicly disclosed. </P></TD></TR></TABLE>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">(2)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Excludes any contingent earnout consideration. </P></TD></TR></TABLE>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Based on an analysis of the relevant metrics for each of the transactions, as well as its professional judgment and experience, Lazard applied
an FY+1 EBITDA multiple range of 6.0x to 10.0x to the 2022 EBITDA estimate of IEA. The 2022 EBITDA estimate for IEA was provided to Lazard by IEA in the IEA updated management plan. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Lazard calculated the low end and high end of the implied price per share of IEA common stock range and, based on that analysis, reviewed the
implied price per share range for shares of IEA common stock, as compared to the per share merger consideration, as set forth below: </P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="68%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:8pt" ALIGN="center">


<TR>

<TD WIDTH="58%"></TD>

<TD VALIGN="bottom" WIDTH="33%"></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom" NOWRAP ALIGN="center"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-bottom:1.00pt solid #000000; display:table-cell; font-size:8pt; font-family:Times New Roman; " ALIGN="center"><B>Implied Price Per Share
Range</B></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>Per&nbsp;Share&nbsp;Merger&nbsp;Consideration</B></TD></TR>


<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" ALIGN="center">$10.00&#151;$20.25</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top">$14.00</TD></TR>
</TABLE> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><I>Discounted Cash Flow Analysis </I></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Lazard performed a discounted cash flow analysis of IEA, which is a valuation methodology used to derive a valuation of a company by
calculating the present value of its estimated future cash flows. &#147;Future cash flows&#148; refers to projected unlevered free cash flows of a company. &#147;Present value&#148; refers to the current value of future cash flows or amounts and is
obtained by discounting those future cash flows or amounts by a discount rate that takes into account macroeconomic assumptions and estimates of risk, the opportunity cost of capital, capital structure, income taxes, expected returns and other
appropriate factors. Lazard calculated the discounted cash flow value for IEA as the sum of the net present value of each of: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the estimated future cash flows that IEA is expected to generate for each of the fiscal years 2022 through 2027;
and </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the estimated value of IEA at the end of 2027, or the terminal value. </P></TD></TR></TABLE>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The estimated future cash flows were derived from data provided by IEA in the IEA updated management plan, as the IEA updated management plan
did not itself provide an explicit calculation of estimated unlevered free cash flows. Lazard calculated &#147;unlevered free cash flow&#148; in this case by beginning with estimated Adjusted EBITDA (defined as EBITDA, adjusted, as applicable, for <FONT
STYLE="white-space:nowrap">non-recurring</FONT> items and any other adjustments, as appropriate), subtracting depreciation and amortization and subtracting stock-based compensation to calculate EBIT; Lazard then applied an income tax rate of 27.0%
to calculate <FONT STYLE="white-space:nowrap">after-tax</FONT> EBIT; Lazard then added back depreciation and amortization, subtracted the year-over-year change in net working capital, added proceeds from the sale of property, plants and equipment,
added stock-based compensation and subtracted capital expenditures and other investments. The following table sets forth the estimated unlevered free cash flow for each of fiscal years 2022 through 2027, as used by Lazard for purposes of its
discounted cash flow analysis. </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">58 </P>

</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>


<Center><DIV STYLE="width:8.5in" align="left">

<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:8pt" ALIGN="center">


<TR>

<TD WIDTH="70%"></TD>

<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="23" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>Fiscal Year Ending December&nbsp;31,</B></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>2022E</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>2023E</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>2024E</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>2025E</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>2026E</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>2027E</B></TD>
<TD VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="22" ALIGN="center"><B>($ in millions)</B></TD>
<TD VALIGN="bottom">&nbsp;</TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Adjusted&nbsp;EBITDA</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">149</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">177</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">184</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">193</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">202</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">210</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">EBIT</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">96</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">122</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">131</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">138</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">144</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">150</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Estimated Unlevered Free Cash Flow</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom"><B></B>&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">59<B></B></TD>
<TD NOWRAP VALIGN="bottom"><B><SUP STYLE="font-size:75%; vertical-align:top">(1)</SUP></B>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">100</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">106</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">112</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">117</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">121</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
</TABLE> <P STYLE="line-height:8.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1px solid #000000;width:11%">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">(1)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Assumes a nine-month stub attributed to estimated 2022 cash flows. </P></TD></TR></TABLE>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">For its discounted cash flow calculations, Lazard applied discount rates ranging from 11.25% to 13.25% using a
<FONT STYLE="white-space:nowrap">mid-year</FONT> convention. Such discount rates were based on Lazard&#146;s judgment and analysis of the estimated range of IEA&#146;s weighted average cost of capital. In calculating the estimated range of weighted
average cost of capital for IEA, Lazard used a weighted-average of the estimated cost of equity capital and <FONT STYLE="white-space:nowrap">after-tax</FONT> costs of debt of 12.11%, assuming a target debt to total capitalization percentage of
37.1%, a marginal tax rate of 27.0% and <FONT STYLE="white-space:nowrap">pre-tax</FONT> costs of debt of 10.62%. To calculate the estimated cost of equity capital, Lazard used the Capital Asset Pricing Model, which uses a &#147;beta&#148; metric
based on the predicted unlevered beta for IEA (1.06), a risk-free rate of return (3.33% based on then-current prevailing yield on the <FONT STYLE="white-space:nowrap">20-year</FONT> U.S. Treasury debt) and a market risk premium (7.46% representing
the long-horizon expected equity risk premium based on differences of large company stock total returns less long-term government bond income returns, as per the 2021 Duff&nbsp;&amp; Phelps Valuation Handbook &#150; International Guide to Cost of
Capital). </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The terminal value of IEA was calculated by applying various terminal year Adjusted EBITDA multiples ranging from 6.25x to
8.25x to IEA&#146;s projected terminal year Adjusted EBITDA of $215&nbsp;million. IEA&#146;s projected terminal year Adjusted EBITDA was calculated by assuming from 2027 onwards a 2.25% EBITDA growth rate; a 2.25% growth rate for depreciation and
amortization, change in net working capital and capital expenditures; and flat proceeds from the sale of property, plants and equipment and from stock-based compensation. The terminal year EBITDA multiples were selected by Lazard using its
professional judgment and expertise by reference to historic and current EBITDA multiples of IEA comparable companies. The 2022 estimated EBITDA multiples and 2023 estimated EBITDA multiples of IEA comparable companies are set forth above in
&#147;&#151;<I>Selected Comparable Company Multiples Analysis</I>.&#148; The resulting range of implied present values of the terminal enterprise values for IEA was calculated based on estimated Adjusted EBITDA multiples for the next twelve-month
period (referred to as &#147;NTM&#148;), calculated as a weighted average of the 2022 estimated EBITDA multiples (weighted 25%) and 2023 estimated EBITDA multiples (weighted 75%) of IEA comparable companies. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Lazard took the sum of the present value ranges for IEA&#146;s future cash flows and terminal value to calculate a range of implied enterprise
values. Lazard then subtracted the net debt of IEA and calculated a range of implied per share equity values for IEA common stock. Based on that analysis, Lazard reviewed the implied price per share range for shares of IEA common stock as compared
to the per share merger consideration as set forth below: </P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="68%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:8pt" ALIGN="center">


<TR>

<TD WIDTH="58%"></TD>

<TD VALIGN="bottom" WIDTH="33%"></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom" NOWRAP ALIGN="center"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-bottom:1.00pt solid #000000; display:table-cell; font-size:8pt; font-family:Times New Roman; " ALIGN="center"><B>Implied Price Per Share
Range</B></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>Per&nbsp;Share&nbsp;Merger&nbsp;Consideration</B></TD></TR>


<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" ALIGN="center">$13.00&#151;$18.75</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top">$14.00</TD></TR>
</TABLE> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I>Other Analyses </I></B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The analyses and data described below were presented to the IEA board of directors for informational purposes only and did not provide the
basis for, and were not otherwise material to, the rendering of Lazard&#146;s opinion. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><I><FONT STYLE="white-space:nowrap">52-Week</FONT> High/Low
Trading Prices </I></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Lazard reviewed the range of trading prices of shares of IEA common stock for the 52 weeks ended on July&nbsp;22, 2022,
the last full trading day prior to public disclosure of the merger. Lazard observed that, during such period, the daily closing share price of IEA common stock ranged from $6.71 per share to $14.17 per share. </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">59 </P>

</DIV></Center>


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<h5 align="left"><a href="#toc">Table of Contents</a></h5>


<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><I>Research Analyst Price Targets </I></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Lazard reviewed selected equity analyst stock price targets based on publicly available Wall Street equity research reports, which indicated target prices that
ranged from $12.00 to $15.00 per share of IEA common stock. The Wall Street equity research reports reviewed by Lazard and price targets set forth in such reports are as follows: </P>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD WIDTH="73%"></TD>

<TD VALIGN="bottom" WIDTH="21%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom" NOWRAP ALIGN="center"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-bottom:1.00pt solid #000000; display:table-cell; font-size:8pt; font-family:Times New Roman; " ALIGN="center"><B>Report</B></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>Target&nbsp;Price&nbsp;Per&nbsp;Share</B></TD>
<TD VALIGN="bottom">&nbsp;</TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" ALIGN="center">
<P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman" ALIGN="center">Guggenheim&nbsp;Securities,&nbsp;dated&nbsp;May&nbsp;11,&nbsp;2022</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">12.00</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" ALIGN="center"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman" ALIGN="center">D.A. Davidson&nbsp;&amp; Co., dated June&nbsp;6, 2022</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">15.00</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" ALIGN="center"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman" ALIGN="center">Stifel,&nbsp;Nicolaus<SUB
STYLE="font-size:75%; vertical-align:bottom"></SUB>&nbsp;&amp;&nbsp;Company,&nbsp;dated&nbsp;May&nbsp;9,&nbsp;2022<SUP STYLE="font-size:75%; vertical-align:top">(1)</SUP></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">17.00</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" ALIGN="center"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman" ALIGN="center">Thompson Davis&nbsp;&amp; Co., dated May&nbsp;11, 2022</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">13.00</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" ALIGN="center"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman" ALIGN="center">Sidoti&nbsp;&amp; Company, dated May&nbsp;10, 2022</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">15.00</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
</TABLE> <P STYLE="line-height:8.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1px solid #000000;width:11%">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">(1)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Excluded from equity research target range since report was published prior to 1Q 2022 earnings announcement.
</P></TD></TR></TABLE> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><I>Discounted Cash Flow Sensitivity Analysis&#151;IEA Multiple and IEA Prior Management Plan Cases </I></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Lazard performed an illustrative discounted cash flow sensitivity analysis of IEA using the same methodology as set forth above in
&#147;&#151;<I>Discounted Cash Flow Analysis</I>,&#148; except Lazard assumed for the analysis that the terminal year multiple of IEA was illustratively calculated using the historical average of IEA&#146;s NTM EBITDA multiple. In this case, Lazard
applied various terminal year Adjusted EBITDA multiples ranging from 4.0x to 5.0x to IEA&#146;s projected terminal year Adjusted EBITDA. The discounted cash flow sensitivity analysis resulted in an implied price per share range for shares of IEA
common stock ranging from $9.00 to $12.25. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Lazard also performed two illustrative discounted cash flow sensitivity analyses of IEA using
the same procedures and methodologies as set forth above in &#147;&#151;<I>Discounted Cash Flow Analysis</I>,&#148; except Lazard used the IEA prior management plan for the purposes of its analyses. Lazard calculated &#147;unlevered free cash
flow&#148; in these cases by beginning with estimated Adjusted EBITDA under the IEA prior management plan, subtracting depreciation and amortization and subtracting stock-based compensation to calculate EBIT; Lazard then applied an income tax rate
of 21.5% in 2022 and 26.5% thereafter to calculate <FONT STYLE="white-space:nowrap">after-tax</FONT> EBIT; Lazard then added back depreciation and amortization, subtracted the year-over-year change in net working capital, added proceeds from the
sale of property, plants and equipment, added stock-based compensation and subtracted capital expenditures and other investments. The following table sets forth the estimated unlevered free cash flow under the IEA prior management plan for each of
fiscal years 2022 through 2027, as used by Lazard for purposes of these illustrative discounted cash flow sensitivity analyses. </P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:8pt" ALIGN="center">


<TR>

<TD WIDTH="70%"></TD>

<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="22" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>Fiscal Year ended December&nbsp;31,</B></TD>
<TD VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>2022E</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>2023E</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>2024E</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>2025E</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>2026E</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>2027E</B></TD>
<TD VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="22" ALIGN="center"><B>($ in millions)</B></TD>
<TD VALIGN="bottom">&nbsp;</TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Adjusted EBITDA</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">149</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">216</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">230</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">243</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">258</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">271</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">EBIT</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">96</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">162</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">173</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">183</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">195</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">205</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Estimated Unlevered Free Cash Flow</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">64</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">128</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">139</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">146</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">154</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">160</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
</TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Lazard used the same discount rates as set forth above in &#147;&#151;<I>Discounted Cash Flow
Analysis</I>&#148; for its discounted cash flow calculations. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">For the first illustrative discounted cash flow sensitivity analysis using
the IEA prior management plan, Lazard calculated the terminal value of IEA using the same procedures and methodologies as set forth above in &#147;&#151;<I>Discounted Cash Flow Analysis</I>&#148; for its discounted cash flow calculations. The
discounted cash flow sensitivity analysis resulted in an implied price per share range for shares of IEA common stock ranging from $18.25 to $25.50. </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">60 </P>

</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>


<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">For the second illustrative discounted cash flow sensitivity analysis using the IEA prior
management plan, Lazard assumed for the analysis that the terminal value of IEA was illustratively calculated using the historical average of IEA&#146;s NTM EBITDA multiple. In this case, Lazard applied various terminal year Adjusted EBITDA
multiples ranging from 4.0x to 5.0x to IEA&#146;s projected terminal year EBITDA. The discounted cash flow sensitivity analysis resulted in an implied price per share range for shares of IEA common stock ranging from $13.25 to $17.25. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Management of IEA advised Lazard that the IEA updated management plan was approved by the IEA board of directors and represented as of
July&nbsp;24, 2022 IEA&#146;s best currently available estimates and judgments as to the future financial performance of IEA; accordingly, at the direction of IEA, Lazard utilized only the IEA updated management plan for purposes of its analyses in
connection with its evaluation of the merger and its opinion. As a result, the discounted cash flow analyses utilizing the historical average of IEA&#146;s NTM EBITDA multiple and/or utilizing the IEA prior management plan did not provide the basis
for, and were not material to, the rendering of Lazard&#146;s opinion. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I>Miscellaneous </I></B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">In connection with Lazard&#146;s services as financial advisor to IEA with respect to the merger, IEA agreed to pay Lazard a fee based on the
aggregate consideration involved in the merger, calculated as of immediately prior to the closing of the merger (as of August&nbsp;25, 2022, such amount was estimated to be approximately $17&nbsp;million), which is payable contingent upon
consummation of the merger. In addition, IEA agreed to pay Lazard a quarterly financial advisory fee of $300,000, beginning on January&nbsp;1, 2022, 50% of which is creditable against any Transaction fee described above, subject to adjustment by
mutual agreement after June&nbsp;30, 2022. IEA has also agreed to reimburse Lazard for certain expenses incurred in connection with Lazard&#146;s engagement and to indemnify Lazard and certain related persons under certain circumstances against
various liabilities that may arise from or be related to Lazard&#146;s engagement, including certain liabilities under United States federal securities laws. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Lazard in the past has provided and currently is providing certain investment banking services to IEA, and certain of its affiliates, for
which Lazard has received and may receive compensation, including, during the past two years, having advised IEA on certain strategic planning and financial matters. Lazard in the past has provided certain investment banking services to Ares
Management and certain of its affiliates, for which Lazard has received compensation, including, during the past two years, having been engaged to advise (i)&nbsp;Ares Management on its announced expansion of its insurance platform through the
launch of Aspida Financial Services, LLC and its 2020 announcement of an agreement by Aspida Holdings Ltd. to acquire F&amp;G Reinsurance Ltd, (ii)&nbsp;funds managed by Ares Management in connection with the 2020 restructuring of their portfolio
company, California Resources Corporation, (iii)&nbsp;CS Energy, a portfolio company of funds managed by Ares Management, on its 2021 sale to affiliates of American Securities LLC, (iv)&nbsp;Neiman Marcus Holding Company, Inc., then a portfolio
company of funds managed by Ares Management, on its 2020 Chapter 11 restructuring and (v)&nbsp;on certain other <FONT STYLE="white-space:nowrap">non-public</FONT> engagements in connection with sell-side transactions, fundraising and restructuring
advisory. Except as described in this proxy statement/prospectus, the financial advisory business of Lazard has not otherwise received fees for providing services to IEA or MasTec in the two years immediately preceding the date of this proxy
statement/prospectus. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Lazard, as part of its investment banking business, is continually engaged in the valuation of businesses and their
securities in connection with mergers and acquisitions, negotiated underwritings, secondary distributions of listed and unlisted securities, private placements, leveraged buyouts, and valuations for estate, corporate and other purposes. In addition,
in the ordinary course, Lazard and its affiliates and employees may trade securities of IEA, MasTec and certain of their respective affiliates for their own accounts and for the accounts of their customers, may at any time hold a long or short
position in such securities, and may also trade and hold securities on behalf of IEA, MasTec and certain of their respective affiliates. The issuance of Lazard&#146;s opinion was approved by the opinion committee of Lazard. </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">61 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Lazard is an internationally recognized investment banking firm providing a full range of
financial advisory and other services. Lazard was selected to act as investment banker to IEA because of its qualifications, expertise and reputation in investment banking and mergers and acquisitions generally and in the engineering and
construction industry specifically, as well as its familiarity with the business of IEA. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">IEA and MasTec determined the consideration of
(i) $10.50 in cash and (ii) 0.0483 of a share of MasTec common stock per share of IEA common stock, to be paid to the holders of IEA common stock (other than excluded holders) in the merger, through
<FONT STYLE="white-space:nowrap">arm&#146;s-length</FONT> negotiations, and the IEA board of directors unanimously approved such consideration. Lazard did not recommend any specific consideration to the IEA board of directors or any other person or
indicate that any given consideration constituted the only appropriate consideration for the merger. Lazard&#146;s opinion was one of many factors considered by the IEA board of directors, as discussed further in &#147;Summary &#150; IEA Board
Reasons for the Transaction and Recommendation&#148; on page 48. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><A NAME="toc338793_45"></A>IEA Management&#146;s Unaudited Prospective Financial
Information </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">While IEA has from time to time provided limited financial guidance to investors, IEA&#146;s management does not, as a
matter of course, otherwise publicly disclose forecasts or internal projections as to future performance due to, among other things, the inherent difficulty of predicting financial performance for future periods and the likelihood that the
underlying assumptions and estimates may not be realized. In February 2022, in connection with the IEA board of directors&#146; strategic review process, IEA prepared certain unaudited non-public financial projections regarding IEA that were
delivered to potential counterparties in the strategic outreach process, including MasTec, such financial projections are referred to as the &#147;IEA prior management plan.&#148; In July 2022, IEA updated these unaudited <FONT
STYLE="white-space:nowrap">non-public</FONT> financial projections regarding IEA to take into account changes in the internal and external business environment, including market disruptions resulting in significant changes in economic conditions
facing IEA and its industry more generally, including the Ukraine war, increased risk of recession, extended supply chain delays and cost increases, commodity price spikes, persistent high inflation, and the impact of macroeconomic headwinds, such
as an increased cost of capital, on IEA&#146;s customers, which was expected to reduce the renewables buildouts in the near future, leading to margin compression and reduced gross profit and EBITDA over the five-year period. The updated unaudited <FONT
STYLE="white-space:nowrap">non-public</FONT> financial projections were delivered to the IEA board of directors and MasTec and are referred to as the &#147;IEA updated management plan&#148;. At the direction of the IEA board of directors, the IEA
updated management plan was also provided to, and approved for use by, Lazard for purposes of performing its financial analyses in connection with rendering its opinion to the IEA board of directors (as more fully described in the section titled
&#147;&#151;Opinion of IEA&#146;s Financial Advisor&#148;). The IEA prior management plan and the IEA updated management plan are referred to as the &#147;IEA financial projections&#148;. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The IEA financial projections, while presented with numerical specificity, were based on numerous variables and assumptions, including about
future performance, that are inherently uncertain and many of which are beyond IEA&#146;s control. The IEA financial projections reflect numerous estimates, assumptions and judgments made by IEA management, based on information available at the time
the IEA financial projections were developed, with respect to industry performance and competition, general business, economic, regulatory, market and financial conditions, other future events and matters specific to IEA&#146;s business, all of
which are difficult to predict and many of which are beyond IEA&#146;s control. There can be no assurances that the IEA financial projections accurately reflect future trends or accurately estimate IEA&#146;s future financial and operating
performance. The IEA financial projections also reflect assumptions as to certain business decisions that are subject to change. Important factors that may affect actual results and cause the IEA financial projections not to be achieved include, but
are not limited to, risks and uncertainties relating to IEA&#146;s business (including the ability to achieve strategic goals, objectives and targets over the applicable periods), industry performance, general business and economic conditions and
other factors described in or referenced under &#147;Cautionary Note Regarding Forward-Looking Statements&#148; and those risks and uncertainties detailed in IEA&#146;s public filings with the SEC. Further, the IEA financial projections cover
multiple years and by their nature become subject to greater uncertainty with each successive year. Modeling and forecasting the future performance of a construction </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">62 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">
company is a highly speculative endeavor. Since the IEA financial projections cover a long period of time, the IEA financial projections by their nature are unlikely to anticipate each
circumstance that will have an effect on the value of IEA&#146;s services. Accordingly, there can be no assurance that the IEA financial projections will be realized, and actual results may vary materially from those shown. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The IEA financial projections were not prepared with a view toward public disclosure and, accordingly, do not necessarily comply with
guidelines established by the American Institute of Certified Public Accountants for preparation or presentation of prospective financial information and the non-GAAP information used does not comply with generally accepted accounting principles in
the United States (referred to as GAAP) but, in the view of IEA management, were prepared on a reasonable basis. The IEA financial projections are not being included in this proxy statement/prospectus to influence any IEA stockholder&#146;s decision
as to whether or not to approve the merger or whether or not to seek appraisal rights with respect to shares of IEA common stock held by such stockholder. The summary of the IEA financial projections is being included in this proxy
statement/prospectus solely because these IEA financial projections were made available to the IEA board of directors, Lazard and MasTec. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The IEA financial projections do not take into account any circumstances or events occurring after the date they were prepared, including the
announcement of the merger and transaction-related expenses. The IEA financial projections also do not take into account the effect of any failure of the merger to close and should not be viewed as accurate or continuing in that context. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The inclusion of the IEA financial projections in this proxy statement/prospectus should not be regarded as an indication that IEA, MasTec or
Lazard or any of their respective affiliates, advisors or representatives considered or consider the IEA financial projections to be predictive of actual future events, and the IEA financial projections should not be relied on as such. None of IEA,
MasTec or Lazard or any of their respective affiliates, advisors, officers, directors or representatives can give any assurance that actual results will not differ from these IEA financial projections, and none of them undertakes any obligation to
update or otherwise revise or reconcile the IEA financial projections to reflect circumstances existing after the date such IEA financial projections were generated or to reflect the occurrence of future events even if any or all of the assumptions
underlying the IEA financial projections are shown to be in error or no longer appropriate. Neither IEA nor MasTec intends to make publicly available any update or other revision to the IEA financial projections, except as required by law. None of
IEA, MasTec or Lazard or any of their respective affiliates, advisors, officers, directors or representatives has made or makes any representation to any stockholder or other investor regarding the ultimate performance of IEA or MasTec compared to
the information contained in the IEA financial projections or that projected results will be achieved. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">IEA&#146;s and MasTec&#146;s
respective stockholders are cautioned not to place undue reliance on the IEA financial projections included in this proxy statement/prospectus. Neither IEA&#146;s independent auditors, nor any other independent accountants, have compiled, examined,
or performed any procedures with respect to the prospective financial information contained herein, nor have they expressed any opinion or any other form of assurance on such information or its achievability, and assume no responsibility for, and
disclaim any association with, the prospective financial information. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The IEA financial projections incorporate certain financial
measures which are not GAAP measures. Such financial measures should not be considered in isolation from, or as a substitute for, financial information presented in accordance with GAAP. IEA&#146;s calculations of these financial measures may differ
from others in its industry and are not necessarily comparable with information presented under similar captions used by other companies. Financial measures provided to a financial advisor are excluded from the SEC&#146;s definition of <FONT
STYLE="white-space:nowrap">non-GAAP</FONT> financial measures and therefore are not subject to SEC rules regarding disclosures of <FONT STYLE="white-space:nowrap">non-GAAP</FONT> financial measures, which may otherwise require a reconciliation of a <FONT
STYLE="white-space:nowrap">non-GAAP</FONT> financial measure to a GAAP financial measure to be presented. Reconciliations of these financial measures were not relied upon by Lazard for purposes of performing its financial analyses in connection with
rendering its opinion to the IEA board of directors (as described in the section titled &#147;&#151;Opinion of IEA&#146;s Financial Advisor&#148;) or by the IEA board of </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">63 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">
directors. Accordingly, a reconciliation of the financial measures included in the IEA financial projections is not provided. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Subject to the foregoing qualifications, the following is a summary of the IEA financial projections: </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I>IEA Prior Management Plan </I></B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The
following table presents a summary of the IEA financial projections prepared by IEA in February 2022 and provided to potential counterparties in the strategic outreach process. </P>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">


<TR>

<TD WIDTH="58%"></TD>

<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="22" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>Fiscal Year Ended December&nbsp;31</B></TD>
<TD VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom"><I>($ in mm)</I></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>2022E</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>2023E</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>2024E</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>2025E</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>2026E</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>2027E</B></TD>
<TD VALIGN="bottom">&nbsp;</TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Total Revenue</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">2,492</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">2,693</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">2,873</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">3,067</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">3,270</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">3,493</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Adjusted EBITDA<SUP STYLE="font-size:75%; vertical-align:top">(1)</SUP></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">149</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">216</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">230</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">243</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">258</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">271</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">EBIT</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">96</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">162</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">173</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">183</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">195</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">205</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
</TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">(1)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Unlevered free cash flows for IEA were calculated by Lazard based on the IEA forecasts, and approved by IEA
management for use by Lazard for purposes of its opinion and financial analysis. Lazard calculated the estimated unlevered free cash flows for IEA, based on information provided by IEA management, as Adjusted EBITDA less changes in working capital,
plus proceeds from the sale of assets, and less capital expenditures and other investments, for fiscal years 2022 through 2027 in the amounts of $64&nbsp;million, $128&nbsp;million, $139&nbsp;million, $146&nbsp;million, $154&nbsp;million and
$160&nbsp;million, respectively. </P></TD></TR></TABLE> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman">Adjusted EBITDA represents net income, excluding the impact of income taxes,
depreciation and amortization, interest expense and certain other <FONT STYLE="white-space:nowrap">non-cash,</FONT> <FONT STYLE="white-space:nowrap">non-recurring</FONT> and/or unusual, <FONT STYLE="white-space:nowrap">non-operating</FONT> items
including, but not limited to, <FONT STYLE="white-space:nowrap">non-cash</FONT> stock compensation expense, fair value adjustments for warrants, and restructuring expenses. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I>IEA Updated Management Plan </I></B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The
following table presents a summary of the IEA financial projections prepared by IEA in July 2022 and, at the direction of IEA, Lazard utilized for purposes of Lazard&#146;s analysis in connection with its evaluation of the merger and its opinion.
</P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">


<TR>

<TD WIDTH="58%"></TD>

<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="22" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>Fiscal Year Ended December&nbsp;31</B></TD>
<TD VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom"><I>($ in mm)</I></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>2022E</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>2023E</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>2024E</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>2025E</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>2026E</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>2027E</B></TD>
<TD VALIGN="bottom">&nbsp;</TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Total Revenue</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">2,492</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">2,687</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">2,850</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">3,004</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">3,160</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">3,324</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Adjusted EBITDA<SUP STYLE="font-size:75%; vertical-align:top">(1)</SUP></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">149</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">177</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">184</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">193</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">202</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">210</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">EBIT</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">96</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">122</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">131</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">138</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">144</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">150</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
</TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%" VALIGN="top" ALIGN="left">Note:</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Unlevered free cash flows for IEA were calculated by Lazard based on the IEA forecasts, and approved by IEA
management for use by Lazard for purposes of its opinion and financial analysis. Lazard calculated the estimated unlevered free cash flows for IEA, based on information provided by IEA management, as Adjusted EBITDA less changes in working capital,
plus proceeds from the sale of assets, and less capital expenditures and other investments, for fiscal years 2022 through 2027 in the amounts of $59&nbsp;million, $100&nbsp;million, $106&nbsp;million, $112&nbsp;million, $117&nbsp;million and
$121&nbsp;million, respectively. </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%" VALIGN="top" ALIGN="left">(1)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Adjusted EBITDA represents net income, excluding the impact of income taxes, depreciation and amortization,
interest expense and certain other <FONT STYLE="white-space:nowrap">non-cash,</FONT> <FONT STYLE="white-space:nowrap">non-recurring</FONT> and/or unusual, <FONT STYLE="white-space:nowrap">non-operating</FONT> items including, but not limited to, <FONT
STYLE="white-space:nowrap">non-cash</FONT> stock compensation expense, fair value adjustments for warrants, and restructuring expenses. </P></TD></TR></TABLE>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><A NAME="toc338793_46"></A>Interests of IEA&#146;s Directors and Executive Officers in the Transaction </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">In considering the recommendation of the IEA board that the IEA stockholders vote to approve the merger, IEA stockholders should be aware that
IEA&#146;s directors and executive officers have certain financial interests in </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">64 </P>

</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>


<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">
the merger that may be different from, or in addition to, those of IEA stockholders generally. The IEA board was aware of and considered these potential interests, among other matters, in
evaluating and negotiating the merger agreement and the merger and in recommending to the IEA stockholders that they approve the merger. These interests are further described below. In addition, certain directors of IEA are affiliated with entities
that are stockholders or warrantholders of IEA. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I>Equity Awards </I></B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The equity awards held by our directors and executive officers will be treated as follows: </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman"><I>Stock Options </I></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Each IEA
stock option, whether vested or unvested, that is held by any person (including an executive officer) and that is outstanding immediately prior to the effective time, will, at the effective time, be cancelled and converted into the right to receive:
(i)&nbsp;an amount in cash (without interest, and subject to deduction for any required withholding tax) equal to the product of (x) 75% of the excess of $14.00 over the exercise price per share of IEA common stock under such IEA stock option and
(y)&nbsp;the number of shares of IEA common stock subject to such IEA stock option, and (ii)&nbsp;a number of shares of MasTec common stock equal to the product of (x)&nbsp;the product of (A) 25% of the excess of $14.00 over the exercise price per
share of IEA common stock under such IEA stock option and (B) 0.0138 and (y)&nbsp;the number of shares of IEA common stock subject to such IEA stock option, with any such cash payment to be paid and any such shares of MasTec common stock to be
issued to each holder promptly after the effective time, but in any event no later than the fifth business day after the effective time. Any IEA stock option with an exercise price per share as of the effective time that is greater than or equal to
$14.00 will be cancelled without any cash payment being made in respect thereof. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The following sets forth, for each IEA executive
officer, the aggregate number of shares of IEA Common Stock subject to outstanding IEA options held by such executive officer assuming (i)&nbsp;pursuant to SEC rules, a payment of $14.00 per share, which equals the sum of (A)&nbsp;the cash
consideration per share of $10.50 and (B)&nbsp;$3.50 which equals the average closing price of a share of IEA common stock over the first five business days following the first public announcement of the entry into the merger agreement, multiplied
by 25%, and (ii)&nbsp;such executive officer remains continuously employed with IEA or a subsidiary until the effective time. </P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="92%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">


<TR>

<TD WIDTH="37%"></TD>

<TD VALIGN="bottom" WIDTH="9%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="9%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="9%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="9%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="6" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>Number of Shares Subject to</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD COLSPAN="2" VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD COLSPAN="2" VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-bottom:1.00pt solid #000000; display:table-cell; font-size:8pt; font-family:Times New Roman; "><B>Name&nbsp;of&nbsp;Named Executive&nbsp;Officer</B></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>Vested&nbsp;Stock<BR>Options (#)</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>Unvested&nbsp;Stock<BR>Options (#)</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>Estimated&nbsp;Value&nbsp;of<BR>Vested Stock<BR>Options ($)</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>Estimated&nbsp;Value&nbsp;of<BR>Unvested Stock<BR>Options ($)</B></TD>
<TD VALIGN="bottom">&nbsp;</TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">John&nbsp;Paul&nbsp;Roehm</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">184,048</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">&#151;&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">668,094.24</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">&#151;&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Peter Moerbeek</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">&#151;&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">&#151;&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">&#151;&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">&#151;&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Michael Stoecker</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">&#151;&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">&#151;&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">&#151;&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">&#151;&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Christopher&nbsp;Hanson</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">64,964</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">&#151;&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">235,819.32</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">&#151;&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Brian Hummer</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">58,200</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">&#151;&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">211,266.00</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">&#151;&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Erin Roth</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">&#151;&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">&#151;&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">&#151;&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">&#151;&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
</TABLE> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><I>Restricted Stock Units </I></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Each restricted stock unit that is held by any person (including a director or an executive officer) and that vests solely based on the passage
of time with respect to shares of IEA common stock, whether vested or unvested, that is outstanding immediately prior to the effective time, will, at the effective time, be cancelled and converted into the right to receive (i)&nbsp;an amount in cash
(without interest, and subject to deduction for any required withholding tax) equal to the product obtained by multiplying (x)&nbsp;the cash consideration and (y)&nbsp;the number of shares of IEA common stock subject to such restricted stock unit
and (ii)&nbsp;a number of shares of MasTec common stock equal to the product obtained by multiplying (x)&nbsp;the stock consideration and (y)&nbsp;the number of shares of IEA common stock subject to such restricted stock unit, with any such cash
payment to be </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">65 </P>

</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>


<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">
paid and any such shares of MasTec common stock to be issued to each holder promptly after the effective time, but in any event no later than the fifth business day after the effective time. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The following sets forth, for each IEA executive officer and director, the aggregate number of shares of IEA Common Stock subject to
outstanding IEA time-based restricted stock units held by such executive officer or director and the proceeds thereon, assuming (i)&nbsp;pursuant to SEC rules, a payment of $14.00 per share, which equals the sum of (A)&nbsp;the cash consideration
per share of $10.50 and (B) $3.50 which equals the average closing price of a share of IEA common stock over the first five business days following the first public announcement of the entry into the merger agreement, multiplied by 25%, and
(ii)&nbsp;such executive officer remains continuously employed with or engaged by IEA or a subsidiary until the effective time: </P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="76%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">


<TR>

<TD WIDTH="49%"></TD>

<TD VALIGN="bottom" WIDTH="15%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="15%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-bottom:1.00pt solid #000000; display:table-cell; font-size:8pt; font-family:Times New Roman; "><B>Name of Executive Officer or Director</B></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" STYLE="border-bottom:1.00pt solid #000000"><B>Number&nbsp;of&nbsp;Shares<BR>Subject&nbsp;to&nbsp;Unvested<BR><FONT STYLE="white-space:nowrap">Time-Based&nbsp;Restricted</FONT><BR>Stock Units (#)</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" STYLE="border-bottom:1.00pt solid #000000"><B>Estimated&nbsp;Value&nbsp;of<BR><FONT STYLE="white-space:nowrap">Unvested&nbsp;Time-Based</FONT><BR>Restricted Stock<BR>Units ($)</B></TD>
<TD VALIGN="bottom">&nbsp;</TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><I>Executive Officer:</I></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">John Paul Roehm</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">252,065</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">3,528,910</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Peter Moerbeek</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">100,215</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">1,403,010</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Michael Stoecker</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">84,975</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">1,189,650</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Christopher Hanson</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">57,022</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">798,308</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Brian Hummer</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">51,608</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">722,512</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Erin Roth</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">30,802</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">431,228</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16"></TD>
<TD HEIGHT="16" COLSPAN="4"></TD>
<TD HEIGHT="16" COLSPAN="4"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><I>Director</I>:</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Derek Glanvill</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">15,033</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">210,462</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Theodore Bunting</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">9,251</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">129,514</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Michael Della Rocca</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">9,251</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">129,514</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Charles Garner<SUP STYLE="font-size:75%; vertical-align:top">(1)</SUP></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">9,251</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">129,514</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Scott Graves<SUP STYLE="font-size:75%; vertical-align:top">(2)</SUP></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">9,251</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">129,514</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Laurene Mahon</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">9,251</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">129,514</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Terence Montgomery</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">9,251</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">129,514</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Matthew Underwood<SUP STYLE="font-size:75%; vertical-align:top">(2)</SUP></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">9,251</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">129,514</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
</TABLE> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><I>(1)</I></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><I></I>Mr.&nbsp;Garner was appointed to the IEA board of directors pursuant to the Amended and Restated
Investor Rights Agreement between the Company, M III, and other parties, dated May&nbsp;20, 2019, which provides M III with certain rights to appoint one member of the Company&#146;s Board. By agreement, between M III and Mr.&nbsp;Garner,
Mr.&nbsp;Garner pays M III all of his director compensation<I>.</I> </P></TD></TR></TABLE>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><I>(2)</I></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><I></I>Pursuant to agreements between Ares Management LLC and Messrs. Graves and Underwood, Messrs. Graves and
Underwood have agreed to pay all of their respective director compensation, and have instructed us to pay all such compensation directly to Ares Management LLC. </P></TD></TR></TABLE>
<P STYLE="margin-top:18pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman"><I>Performance Stock Units </I></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Each performance stock unit that is held by any person (including an executive officer) and that vests in whole or in part based on the
achievement of one or more performance goals with respect to shares of IEA common stock, whether vested or unvested, that is outstanding immediately prior to the effective time, will, at the effective time, be cancelled and converted into the right
to receive (i)&nbsp;an amount in cash (without interest, and subject to deduction for any required withholding tax) equal to the product obtained by multiplying (x)&nbsp;the cash consideration and (y)&nbsp;the number of shares of IEA common stock
subject to such performance stock unit assuming the target level of performance is achieved and (ii)&nbsp;a number of shares of MasTec common stock equal to the product obtained by multiplying (x)&nbsp;the stock consideration and (y)&nbsp;the number
of shares of IEA common stock subject to such performance stock unit assuming the target level of performance is achieved, with any such cash payment to be paid and any such shares of MasTec common stock to be issued to each holder promptly after
the effective time, but in any event no later than the fifth business day after the effective time. </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">66 </P>

</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>


<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The following sets forth, for each IEA executive officer, the aggregate number of shares of
IEA Common Stock subject to outstanding performance-based restricted stock unit award and the proceeds thereon (i)&nbsp;pursuant to SEC rules, a payment of $14.00 per share, which equals the sum of (A)&nbsp;the cash consideration per share of $10.50
and (B) $3.50 which equals the average closing price of a share of IEA common stock over the first five business days following the first public announcement of the entry into the merger agreement, multiplied by 25%, and (ii)&nbsp;such executive
officer remains continuously employed with or engaged by IEA or a subsidiary until the effective time: </P> <P STYLE="font-size:10pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="76%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">


<TR>

<TD WIDTH="53%"></TD>

<TD VALIGN="bottom" WIDTH="13%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="13%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-bottom:1.00pt solid #000000; display:table-cell; font-size:8pt; font-family:Times New Roman; "><B>Name of Executive Officer</B></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" STYLE="border-bottom:1.00pt solid #000000"><B>Number&nbsp;of&nbsp;Shares<BR>Subject&nbsp;to&nbsp;Unvested<BR>Performance-Based<BR>Restricted Stock<BR>Units (#)</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" STYLE="border-bottom:1.00pt solid #000000"><B>Estimated&nbsp;Value&nbsp;of<BR>Unvested<BR><FONT STYLE="white-space:nowrap">Performance-Based</FONT><BR>Restricted Stock<BR>Units ($)</B></TD>
<TD VALIGN="bottom">&nbsp;</TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">John Paul Roehm</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">172,412</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">2,413,768</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Peter Moerbeek</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">60,864</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">852,096</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Michael Stoecker</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">70,253</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">983,542</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Christopher Hanson</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">35,932</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">503,048</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Brian Hummer</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">29,190</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">407,660</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Erin Roth</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">32,895</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">461,790</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
</TABLE> <P STYLE="margin-top:16pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I>Severance Arrangements </I></B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Each of IEA&#146;s named executive officers, as well as Ms. Roth, has executed an employment agreement with IEA. The employment agreements with
Messrs. Roehm, Hanson and Hummer were entered into in connection with IEA&#146;s initial public offering in 2018, and the employments with Messrs. Moerbeek and Stoecker were entered into in order to attract them to IEA and to reflect IEA&#146;s
then-existing practice of entering into employment agreements with executives. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman"><I>Mr.&nbsp;Roehm&#146;s Employment Agreement </I></P>
<P STYLE="margin-top:4pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">In the event that IEA terminates Mr.&nbsp;Roehm&#146;s employment without &#147;cause,&#148; or he terminates employment for &#147;good
reason,&#148; within twenty-four (24)&nbsp;months of a &#147;change of control&#148; (which would include the transaction), IEA is required to pay to him three (3)&nbsp;times his then current base salary and three (3)&nbsp;times his Target Bonus
Amount, in twelve equal monthly installments during the twelve month period immediately following such termination. Additionally, he is entitled to receive a <FONT STYLE="white-space:nowrap">pro-rata</FONT> portion of the Target Bonus Amount for the
year in which he is terminated. Also, IEA will provide an amount equal to the monthly premium for continued medical, dental and vision coverage, as well as an additional amount sufficient to <FONT STYLE="white-space:nowrap">gross-up</FONT>
Mr.&nbsp;Roehm for any amounts he would recognize as additional income tax attributable to the payment of the premium, payable monthly for a period of twenty-four (24)&nbsp;months, unless the period of coverage is required to be shorter pursuant to
federal laws and regulations (&#147;Continuation of Coverage Benefit&#148;). In the event IEA is unable to provide this Continuation of Coverage Benefit beyond an <FONT STYLE="white-space:nowrap">18-month</FONT> period, IEA is required to procure
and pay for similar insurance coverage for Mr.&nbsp;Roehm and any of his qualifying dependents for the remainder of the <FONT STYLE="white-space:nowrap">24-month</FONT> period described above. IEA will additionally pay up to $50,000 for
Mr.&nbsp;Roehm&#146;s use of outplacement services. </P> <P STYLE="margin-top:10pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">For purposes of Mr.&nbsp;Roehm&#146;s employment agreement, the following definitions
apply: </P> <P STYLE="font-size:4pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">&#147;Cause&#148; means: (i)&nbsp;the substantial and repeated failure to perform duties as reasonably directed
by the Board (not as a consequence of Disability) after written notice thereof and failure to cure within ten (10)&nbsp;days; (ii) misappropriation or fraud with regard to IEA or any of its affiliates or their respective assets; (iii)&nbsp;the
conviction of, or the pleading of guilty or nolo contender to, a felony, or to any other crime involving either fraud or breach of the executive&#146;s duty of loyalty to IEA of any of its affiliates, or to any of its customers or suppliers that
results in material injury to IEA or any of its affiliates; (iv)&nbsp;violation of the written policies of IEA or any of its affiliates, or other misconduct in connection with the performance of the executive&#146;s duties that in either case
results in material injury to IEA or </P></TD></TR></TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">67 </P>

</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>


<Center><DIV STYLE="width:8.5in" align="left">

<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="9%">&nbsp;</TD>
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">
any of its affiliates, after written notice thereof and failure to cure within ten (10)&nbsp;days; or (v)&nbsp;Mr.&nbsp;Roehm&#146;s breach of any material provision of his employment agreement.
</P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">&#147;Good reason&#148; means: (i)&nbsp;any reduction in Mr.&nbsp;Roehm&#146;s base salary or target bonus
percentage or any material diminution in his duties or authority; (ii)&nbsp;any relocation of Mr.&nbsp;Roehm&#146;s principal place of employment to a location more than seventy-five (75)&nbsp;miles from his current principal place of employment; or
(iii)&nbsp;any material breach by IEA or any of its affiliates of any material obligation to Mr.&nbsp;Roehm, after written notice thereof and failure to cure within thirty (30)&nbsp;days </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">&#147;Disability&#148; means: Mr.&nbsp;Roehm would be entitled to long-term disability benefits under IEA&#146;s
long-term disability plan as in effect from <FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">time-to-time</FONT></FONT> or, in the event IEA does not maintain a long-term disability plan, Mr.&nbsp;Roehm&#146;s inability to perform
the executive&#146;s duties and responsibilities hereunder due to physical or mental illness or incapacity that is expected to last for a consecutive period of ninety (90)&nbsp;days or for a period of
<FONT STYLE="white-space:nowrap">one-hundred</FONT> twenty (120)&nbsp;days in any three-hundred sixty-five (365)&nbsp;day period as determined by the board in good faith. </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">&#147;Target Bonus Amount&#148; means: the greater of the target bonus for the year of termination, as set by the
compensation committee of IEA&#146;s board of directors, or the average of annual bonus payable in the three full calendar years prior to termination (or such shorter period if he has not been employed for three full calendar&nbsp;years).
</P></TD></TR></TABLE> <P STYLE="margin-top:18pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman"><I>Messrs. Moerbeek&#146;s and Stoecker&#146;s Employment Agreements; Ms. Roth&#146;s Employment Agreement </I></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">In the event that IEA terminate either Mr.&nbsp;Moerbeek&#146;s or Mr.&nbsp;Stoecker&#146;s employment without &#147;cause,&#148; or either
terminates employment for &#147;good reason,&#148; within twenty-four (24)&nbsp;months of a &#147;change of control&#148; (which includes the transaction), IEA is required to pay to either executive two (2)&nbsp;times his then current Base Salary
and two (2)&nbsp;times his Target Bonus Amount, in twelve equal monthly installments during the twelve month period immediately following such termination. Additionally, each is entitled to receive a <FONT STYLE="white-space:nowrap">pro-rata</FONT>
portion of the Target Bonus Amount for the year in which he is terminated. Also, IEA will provide an amount equal to the monthly premium for continued medical, dental and vision coverage, as well as an additional amount sufficient to <FONT
STYLE="white-space:nowrap">gross-up</FONT> Mr.&nbsp;Moerbeek or Mr.&nbsp;Stoecker for any amounts he would recognize as additional income tax attributable to the payment of the premium, payable monthly for a period of twenty-four (24)&nbsp;months,
unless the period of coverage is required to be shorter pursuant to federal laws and regulations (&#147;Continuation of Coverage Benefit&#148;). In the event IEA is unable to provide this Continuation of Coverage Benefit beyond an <FONT
STYLE="white-space:nowrap">18-month</FONT> period, IEA is required to procure and pay for similar insurance coverage for each executive and any of his qualifying dependents for the remainder of the <FONT STYLE="white-space:nowrap">24-month</FONT>
period described above. IEA will additionally pay up to $50,000 for each executive&#146;s use of outplacement services. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">For purposes of
Messrs. Moerbeek&#146;s and Stoecker&#146;s employment agreements, the definitions of &#147;Cause,&#148; &#147;Good Reason,&#148; &#147;Disability,&#148; and &#147;Target Bonus Amount,&#148; are the same as those applicable to Mr.&nbsp;Roehm&#146;s
employment agreement set forth above. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Ms. Roth is party to a substantially-similar employment agreement as Mr. Moerbeek and Mr. Stoecker.
Based on the assumptions set forth below, Ms. Roth&#146;s severance entitlement would be cash of $1,480,000 and health continuation and outplacement benefits of $92,913. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman"><I>Messrs. Hanson&#146;s and Hummer&#146;s Employment Agreements </I></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">In the event that IEA terminates Mr.&nbsp;Hanson&#146;s or Mr.&nbsp;Hummer&#146;s employment without &#147;cause,&#148; or either executive
terminates employment for &#147;good reason,&#148; IEA is required to pay to each his then current base salary in twelve equal monthly installments during the twelve month period immediately following such termination. Additionally, each is entitled
to receive a <FONT STYLE="white-space:nowrap">pro-rata</FONT> portion of his annual bonus for the year in which he is terminated, assuming the applicable goals are satisfied. </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">68 </P>

</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>


<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">For purposes of Messrs. Hanson&#146;s and Mr.&nbsp;Hummer&#146;s employment agreements, the
definitions of &#147;Cause,&#148; &#147;Good Reason,&#148; and &#147;Disability&#148; are the same as those applicable to Mr.&nbsp;Roehm&#146;s employment agreement. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I>Indemnification </I></B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Executive officers and directors
of IEA have rights to indemnification, advancement of expenses and directors&#146; and officers&#146; liability insurance that will survive the completion of the transaction. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I>Summary of Potential Transaction Payments to Executive Officers of IEA </I></B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The information set forth below is required by Item 402(t) of Regulation <FONT STYLE="white-space:nowrap">S-K</FONT> regarding compensation
that is based on or otherwise relates to the transaction that IEA&#146;s executive officers could receive in connection with the transaction, as described more fully above under &#147;&#151;Interests of IEA&#146;s Directors and Executive Officers in
the Transaction.&#146;&#146; Such amounts have been calculated assuming (i)&nbsp;the effective time is October&nbsp;31, 2022, which is the assumed date of closing of the transaction solely for purposes of the disclosures in this section, (ii)&nbsp;a
price equal to $14.00, (iii)&nbsp;the annual base salary and annual target bonus opportunity for each of the executive officers remains unchanged from the amount determined as of the date hereof, (iv)&nbsp;none of IEA&#146;s named executive officers
receives any additional equity-based awards following the date hereof, (v)&nbsp;each named executive officer is terminated without &#147;Cause&#148; or resigns for &#147;Good Reason&#148; at or immediately following the effective time, (vi)&nbsp;the
golden parachute rules under Section&nbsp;280G of the Code do not limit the payments, and (vii)&nbsp;each of IEA&#146;s named executive officers has properly executed any required releases and complied with all requirements (including any applicable
restrictive covenants) necessary in order to receive such payments and benefits. Some of the assumptions used in the table below are based upon information not currently available and, as a result, the actual amounts to be received by any of
IEA&#146;s named executive officers, if any, may materially differ from the amounts set forth below. The total payments potentially to IEA&#146;s only other executive officer, totals $2,465,931 using the same assumptions. </P>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="84%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">


<TR>

<TD WIDTH="41%"></TD>

<TD VALIGN="bottom" WIDTH="5%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="5%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="5%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="5%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="14" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B><FONT STYLE="white-space:nowrap">Transaction-Related&nbsp;Compensation</FONT></B></TD>
<TD VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" STYLE="border-bottom:1.00pt solid #000000"><B>Cash ($)<SUP STYLE="font-size:75%; vertical-align:top">(1)</SUP></B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" STYLE="border-bottom:1.00pt solid #000000"><B>Equity&nbsp;($)<SUP STYLE="font-size:75%; vertical-align:top">(2)</SUP></B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" STYLE="border-bottom:1.00pt solid #000000"><B>Perquisites</B><br><B>/Benefits&nbsp;($)&nbsp;<SUP STYLE="font-size:75%; vertical-align:top">(3)</SUP></B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" STYLE="border-bottom:1.00pt solid #000000"><B>Total</B></TD>
<TD VALIGN="bottom">&nbsp;</TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">John Paul Roehm</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">5,045,733</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">5,942,678</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">90,068</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">11,078,479</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Peter Moerbeek</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">2,056,704</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">2,255,106</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">75,740</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">4,387,550</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Michael Stoecker</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">2,373,973</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">2,173,192</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">92,913</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">4,640,078</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Christopher Hanson</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">725,000</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">1,301,356</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">40,068</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">2,066,424</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Brian Hummer</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">690,958</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">1,131,172</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">40,068</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">1,862,198</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
</TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">(1)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">These amounts are &#147;double trigger&#148; payments. Amounts shown reflect the severance payments pursuant to
each executive&#146;s employment agreement as set forth above. The estimated amount of each such payment included in the Cash column above is set forth in the table below: </P></TD></TR></TABLE>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="92%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">


<TR>

<TD WIDTH="62%"></TD>

<TD VALIGN="bottom" WIDTH="4%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="4%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="4%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="11" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>Transaction-Related Compensation</B></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" STYLE="border-bottom:1.00pt solid #000000"><B>Cash<BR>Severance</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" STYLE="border-bottom:1.00pt solid #000000"><B>Pro Rata<BR>Bonus</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" STYLE="border-bottom:1.00pt solid #000000"><B>Total</B></TD>
<TD VALIGN="bottom">&nbsp;</TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">John Paul Roehm</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">4,430,400</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">615,333</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">5,045,733</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Peter Moerbeek</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">1,735,344</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">321,360</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">2,056,704</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Michael Stoecker</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">2,003,040</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">370,933</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">2,373,973</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Christopher Hanson</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">435,000</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">290,000</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">725,000</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Brian Hummer</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">414,575</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">276,383</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">690,958</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
</TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">69 </P>

</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>


<Center><DIV STYLE="width:8.5in" align="left">

<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">(2)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">These amounts are &#147;single trigger&#148; payments. Amounts shown reflect the sum of the value that each
named executive officer could receive in connection with accelerated vesting and settlement of IEA equity awards.&nbsp;The estimated amount of each such payment is set forth in the table below: </P></TD></TR></TABLE>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="76%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">


<TR>

<TD WIDTH="58%"></TD>

<TD VALIGN="bottom" WIDTH="10%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="10%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" STYLE="border-bottom:1.00pt solid #000000"><B><FONT STYLE="white-space:nowrap">Time-Vesting</FONT><BR>RSUs&nbsp;($)</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" STYLE="border-bottom:1.00pt solid #000000"><B><FONT STYLE="white-space:nowrap">Performance-Vesting</FONT><BR>RSUs&nbsp;($)</B></TD>
<TD VALIGN="bottom">&nbsp;</TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">John Paul Roehm</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">3,528,910</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">2,413,768</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Peter Moerbeek</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">1,403,010</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">852,096</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Michael Stoecker</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">1,189,650</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">983,542</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Christopher Hanson</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">798,308</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">503,048</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Brian Hummer</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">722,512</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">407,660</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
</TABLE> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">(3)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">These amounts are &#147;double trigger&#148; payments. Amounts shown reflect the health care continuation
outplacement benefits pursuant to each executive&#146;s employment agreement as set forth above. The estimated amount of each such payment included in the Perquisites/Benefits column above is set forth in the table below: </P></TD></TR></TABLE>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="92%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">


<TR>

<TD WIDTH="52%"></TD>

<TD VALIGN="bottom" WIDTH="10%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="10%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="10%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="11" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>Perquisites/Benefits</B></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" STYLE="border-bottom:1.00pt solid #000000"><B>Healthcare&nbsp;Continuation</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" STYLE="border-bottom:1.00pt solid #000000"><B>Outplacement</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" STYLE="border-bottom:1.00pt solid #000000"><B>Total</B></TD>
<TD VALIGN="bottom">&nbsp;</TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">John Paul Roehm</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">40,068</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">50,000</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">90,068</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Peter Moerbeek</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">25,740</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">50,000</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">75,740</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Michael Stoecker</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">42,913</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">50,000</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">92,913</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Christopher Hanson</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">40,068</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">&#151;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">40,068</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Brian Hummer</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">40,068</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">&#151;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">40,068</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
</TABLE> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Regulatory Approvals Required for the Merger </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The obligations of MasTec and IEA to consummate the transaction are subject to, among other conditions, the expiration or earlier termination
of the waiting period (and any extension thereof) under the HSR Act. MasTec and IEA filed the notifications required under the HSR Act with the Premerger Notification Office of the Federal Trade Commission and the Antitrust Division of the
Department of Justice on Tuesday August&nbsp;2, 2022. The applicable waiting period under the HSR Act expired at 11:59 p.m. Eastern Time on September&nbsp;1, 2022. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><A NAME="toc338793_47"></A>Material U.S. Federal Income Tax Consequences of the Merger </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I>General </I></B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The following summary
discusses the material U.S. federal income tax consequences of the merger to U.S. Holders and <FONT STYLE="white-space:nowrap">Non-U.S.</FONT> Holders (each as defined below, and collectively, referred to as the &#147;Holders&#148;). This summary is
based on the Code, U.S. Treasury regulations promulgated or proposed thereunder, published rulings by the Internal Revenue Service (referred to as the &#147;IRS&#148;), and judicial authorities and administrative decisions, all as in effect as of
the date of this proxy statement/prospectus, and all of which may change, possibly with retroactive effect. Any such changes could affect the accuracy of the statements and conclusions set forth herein. The U.S. federal income tax laws are complex
and subject to different interpretations. No ruling has been received from the IRS, and no opinion of counsel has been rendered, as to the U.S. federal income tax consequences of the merger. This summary is not binding on the IRS or a court, and
there can be no assurance that the tax consequences described in this summary will not be challenged by the IRS or that they would be sustained by a court if so challenged. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">This summary addresses only the consequences of the exchange of shares of IEA common stock held as capital assets within the meaning of
Section&nbsp;1221 of the Code (generally, property held for investment). This discussion is general in nature and does not address all aspects of U.S. federal income taxation that may be </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">70 </P>

</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>


<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">
important to a shareholder in light of that Holder&#146;s particular circumstances, or to a Holder subject to special rules, such as: </P>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">a financial institution, mutual fund or insurance company; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">a real estate investment trust; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">a pass-through entity or an investor in a pass-through entity; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">a <FONT STYLE="white-space:nowrap">tax-exempt</FONT> organization; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">a retirement or other <FONT STYLE="white-space:nowrap">tax-deferred</FONT> account; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">a dealer, trader or broker in securities; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">a controlled foreign corporation or passive foreign investment company; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">a U.S. expatriate; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">a U.S. Holder (as defined below) whose functional currency is not the U.S. dollar; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">a Holder who holds IEA common stock as part of a hedge, appreciated financial position, straddle, or conversion
or integrated transaction; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">a Holder who acquired IEA common stock pursuant to the exercise of compensatory options or stock purchase plans
or otherwise as compensation; or </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">a Holder that does not vote in favor of the merger and properly demands appraisal of its shares of IEA common
stock under applicable law. </P></TD></TR></TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">If a partnership (including any entity or arrangement treated as a partnership for U.S.
federal income tax purposes) is a beneficial owner of shares of IEA common stock, the tax treatment of a partner in such a partnership will generally depend upon the status of the partner and the activities of the partner and the partnership. A
partner in a partnership holding shares of IEA common stock should consult its tax advisors regarding the tax consequences of the merger. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">This summary of material U.S. federal income tax consequences is not a complete analysis or description of all potential U.S. federal income
tax consequences of the merger. In addition, this discussion does not address any alternative minimum tax, <FONT STYLE="white-space:nowrap">non-income</FONT> tax or state, local or <FONT STYLE="white-space:nowrap">non-U.S.</FONT> tax consequences of
the merger, nor does it address any tax consequences arising under the Foreign Account Tax Compliance Act of 2010 (including the Treasury regulations issued thereunder and intergovernmental agreements entered into pursuant thereto). </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B>Each Holder should consult its own tax advisor to determine the particular tax consequences of the merger to such shareholder in light of
such shareholder&#146;s particular circumstances. </B></P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I>U.S. Holders </I></B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">For purposes of this summary, the term &#147;U.S. Holder&#148; means a beneficial owner of shares of IEA common stock that is, for U.S. federal
income tax purposes: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">an individual who is a citizen or resident of the United States; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">a corporation (or other entity taxable as a corporation for U.S. federal income tax purposes) created or
organized under the laws of the United States or any state therein or the District of Columbia; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">an estate the income of which is subject to U.S. federal income taxation regardless of its source; or
</P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">a trust (i)&nbsp;that is subject to the primary supervision of a court within the United States and all the
substantial decisions of which are controlled by one or more U.S. persons or (ii)&nbsp;that has a valid election in effect under applicable Treasury regulations to be treated as a U.S. person. </P></TD></TR></TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">71 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">A U.S. Holder&#146;s receipt of cash and shares of MasTec common stock in exchange for
shares of IEA common stock in the merger will be a taxable transaction for U.S. federal income tax purposes. Accordingly, a U.S. Holder generally will recognize gain or loss for U.S. federal income tax purposes in an amount equal to the difference,
if any, between (1)&nbsp;the sum of the amount of cash and the fair market value, at the effective time, of the shares of MasTec common stock received by such U.S. Holder in the merger and (2)&nbsp;such U.S. Holder&#146;s adjusted tax basis in the
shares of IEA common stock exchanged in the merger. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Any such gain or loss generally will be capital gain or loss and generally will be
long-term capital gain or loss if the U.S. Holder&#146;s holding period in the IEA common stock immediately prior to the merger is more than one year. In the case of a U.S. Holder who holds shares of IEA common stock with differing tax bases and/or
holding periods, gain or loss must be determined separately for each identifiable block of shares of IEA common stock (generally, shares purchased at the same price in the same transaction). For U.S. Holders that are individuals, estates or trusts,
long-term capital gain generally is taxed at preferential rates. The deductibility of capital losses is subject to limitations. Each U.S. Holder is urged to consult its tax advisor regarding the manner in which gain or loss should be calculated as a
result of the merger. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">In addition to regular U.S. federal income tax, certain U.S. Holders that are individuals, estates or trusts are
subject to a 3.8% tax on all or a portion of their &#147;net investment income,&#148; which may include all or a portion of any gain or loss realized by such U.S. Holder. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">A U.S. Holder will have a tax basis in the shares of MasTec common stock received in the merger equal to the fair market value of such shares
at the effective time. The holding period for shares of MasTec common stock received in exchange for shares of IEA common stock in the merger will begin on the date immediately following the closing date. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I><FONT STYLE="white-space:nowrap">Non-U.S.</FONT> Holders </I></B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">For purposes of this summary, the term <FONT STYLE="white-space:nowrap">&#147;Non-U.S.</FONT> Holder&#148; means a beneficial owner of shares
of IEA common stock that is neither a U.S. Holder nor an entity or arrangement treated as a partnership for U.S. federal income tax purposes. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Any gain realized by a <FONT STYLE="white-space:nowrap">Non-U.S.</FONT> Holder pursuant to the merger generally will not be subject to U.S.
federal income tax unless: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the gain is effectively connected with a trade or business of such
<FONT STYLE="white-space:nowrap">Non-U.S.</FONT> Holder in the United States (and, if required by an applicable income tax treaty, is attributable to a permanent establishment or, in the case of an individual, a fixed base, maintained by such <FONT
STYLE="white-space:nowrap">Non-U.S.</FONT> Holder in the United States), in which case such gain generally will be subject to U.S. federal income tax in substantially the same manner as if it were realized by a U.S. person, and, if the <FONT
STYLE="white-space:nowrap">Non-U.S.</FONT> Holder is a corporation, such gain may also be subject to the branch profits tax at a rate of 30% (or such lower rate as may be specified by an applicable income tax treaty); </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">such <FONT STYLE="white-space:nowrap">Non-U.S.</FONT> Holder is an individual who is present in the United States
for 183 days or more in the taxable year in which the merger occurs, and certain other specified conditions are met, in which case such gain will be subject to U.S. federal income tax at a rate of 30% (or such lower rate as may be specified by an
applicable income tax treaty), which may be offset by U.S.-source capital losses of the <FONT STYLE="white-space:nowrap">Non-U.S.</FONT> Holder, if any; or </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">IEA is or has been a &#147;United States real property holding corporation&#148; (as such term is defined in
Section&nbsp;897(c) of the Code and which we refer to as a &#147;USRPHC&#148;) at any time within the shorter of the five-year period preceding the merger or such <FONT STYLE="white-space:nowrap">Non-U.S.</FONT> Holder&#146;s holding period with
respect to the applicable shares of common stock (referred to as the &#147;relevant period&#148;), and, if shares of common stock are regularly traded on an established securities market (within the meaning of Section&nbsp;897(c)(3) of the Code),
such <FONT STYLE="white-space:nowrap">Non-U.S.</FONT> Holder owns directly or is deemed to own pursuant to attribution rules </P></TD></TR></TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">72 </P>

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<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="9%">&nbsp;</TD>
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">
more than 5% of the outstanding IEA common stock at any time during the relevant period, in which case such gain will be subject to U.S. federal income tax at the rates generally applicable to
U.S. persons (as described in the first bullet point above), except that the branch profits tax will not apply. IEA believes that it is not a USRPHC, and will not have been, a USRPHC at any time during the
<FONT STYLE="white-space:nowrap">five-year</FONT> period preceding the merger. </P></TD></TR></TABLE> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Backup Withholding and Information Reporting </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">A U.S. Holder generally will be subject to information reporting with respect to the proceeds received by such U.S. Holder in the merger. In
addition, a U.S. Holder may, under certain circumstances, be subject to backup withholding (currently at a rate of 28%) on the proceeds to which such U.S. Holder is entitled in connection with the merger, unless such U.S. Holder provides the
appropriate documentation (generally, a properly completed IRS Form <FONT STYLE="white-space:nowrap">W-9)</FONT> to the applicable withholding agent certifying that, among other things, its taxpayer identification number is correct, or otherwise
establishes an exemption from backup withholding. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The information reporting and backup withholding rules that apply to payments to a U.S.
Holder generally will not apply to payments to a <FONT STYLE="white-space:nowrap">Non-U.S.</FONT> Holder in connection with the merger if such <FONT STYLE="white-space:nowrap">Non-U.S.</FONT> Holder certifies under penalties of perjury that it is
not a U.S. person (generally by providing a properly completed IRS Form <FONT STYLE="white-space:nowrap">W-8BEN</FONT> or <FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">W-8BEN-E)</FONT></FONT> and satisfies certain other
requirements or otherwise establishes an exemption. <FONT STYLE="white-space:nowrap">Non-U.S.</FONT> Holders should consult their own tax advisors regarding these matters. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Backup withholding is not an additional tax. Any amounts withheld from a Holder under the backup withholding rules will generally be allowable
as a refund or credit against such Holder&#146;s U.S. federal income tax liability, provided that certain required information is timely furnished to the IRS and other applicable requirements are satisfied. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B>The preceding summary is provided for general informational purposes only and is neither tax advice nor a complete analysis or discussion
of all potential tax consequences of the merger relevant to shareholders. Each Holder should consult its own tax advisor to determine the particular tax consequences of the merger to such shareholder in light of such Holder&#146;s particular
circumstances. </B></P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><A NAME="toc338793_48"></A>Accounting Treatment of the Transaction </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The merger of MasTec and IEA will be accounted for under the acquisition method of accounting in accordance with ASC 805, and MasTec will be
treated as the acquirer of IEA for accounting purposes. Accordingly, MasTec will allocate IEA&#146;s purchase price to the acquired tangible and intangible assets and liabilities of IEA based upon their estimated fair values as of the acquisition
date. Any excess purchase price will be recorded as goodwill. No pro forma financial information is included in this document because the acquisition is not significant to MasTec under the rules of the SEC. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><A NAME="toc338793_49"></A>Financing of the Transaction </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On July&nbsp;24, 2022, in connection with the merger agreement, MasTec entered into the debt commitment letters with Bank of America and
JPMorgan with respect to the financing required by IEA to consummate the merger. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The financing under the debt commitment letters provides
for credit facilities in an aggregate principal amount of up to $1.0&nbsp;billion, consisting of: (i)&nbsp;an agreement to arrange senior unsecured delayed draw term loan facilities in an aggregate principal amount of up to $1.0&nbsp;billion, of
which the Commitment Parties have committed to provide up to $230&nbsp;million and/or (ii)&nbsp;a commitment to provide <FONT STYLE="white-space:nowrap">364-day</FONT> senior unsecured bridge loan facility in an aggregate principal amount of up to
$1.0&nbsp;billion. The commitments under the Bridge Facility shall be reduced on a <FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">dollar-for-dollar</FONT></FONT> basis by, among other things, the commitments under the Term Loan
Facilities outstanding on the effective date of the Term Loan Facilities documentation. </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">73 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">MasTec and MasTec North America, Inc. will be
<FONT STYLE="white-space:nowrap">co-borrowers</FONT> under the Credit Facilities. Pursuant to the debt commitment letters, BANA agreed to act as the administrative agent, JPMorgan agreed to act as sole syndication agent, and BofA Securities and
JPMorgan agreed to act as joint lead arrangers and joint bookrunners for each of the Credit Facilities on the terms and subject to the conditions set forth therein. The covenants, defaults, prepayments, and guarantees for the Credit Facilities are
expected to be substantially similar to those under the Amended Existing Credit Agreement, except as otherwise set forth in the debt commitment letters. Each of the Credit Facilities will bear interest at SOFR plus an applicable margin. The Credit
Facilities will be unsecured and, so long as the Existing Credit Agreement is amended to remove the guarantee requirements (as described below), will not be guaranteed by any of MasTec&#146;s subsidiaries. Various economic and other terms of the
credit facilities are subject to change in the process of syndication. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">In connection with the transaction, on August&nbsp;8, 2022, MasTec
commenced an offer to eligible holders of the IEA Notes to exchange any and all of the outstanding IEA Notes for up to an aggregate principal amount of $300&nbsp;million of new 6.625% Senior Notes due 2029 to be issued by MasTec. Concurrently with
the Exchange Offer, MasTec is soliciting consents with respect to the IEA Notes to eliminate or modify certain of the covenants, restrictive provisions and events of default in the existing indenture governing the IEA Notes. Neither the Exchange
Offer nor the Consent Solicitation is required by IEA to consummate the merger, and the consummation of each is conditioned upon the consummation of the merger. MasTec may complete the Exchange Offer regardless of whether it completes the Consent
Solicitation. This proxy statement/prospectus does not constitute an offer to sell or the solicitation of an offer to buy any debt securities of MasTec, IEA or the IEA Issuer. It does not constitute a prospectus or prospectus equivalent document for
any such securities. No offering of any debt securities of MasTec, IEA or the IEA Issuer shall be made except by means of a prospectus meeting the requirements of Section&nbsp;10 of the Securities Act or an exemption therefrom. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">MasTec is also seeking to amend its Existing Credit Agreement, to, among other things, release the existing guarantees thereof and remove the
existing requirement that certain subsidiaries guarantee the obligations thereunder. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The debt commitment letters contain conditions to
funding of the debt financing customary for commitments of this type, including but not limited to: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">consummation of the merger pursuant to the merger agreement; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the absence of a material adverse effect on IEA and its subsidiaries; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">solvency of MasTec on a consolidated basis after giving effect to the merger and the transactions contemplated by
the debt commitment letters; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">delivery of customary financial information; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the accuracy of certain specified representations and warranties in the merger agreement and the credit agreement
governing the Credit Facilities; and </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">with respect to the Bridge Facility, the requirement that the closing date not occur prior to the 60<SUP
STYLE="font-size:75%; vertical-align:top">th</SUP> day after the effective date of the bridge facility commitment letter. </P></TD></TR></TABLE> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><A NAME="toc338793_50">
</A>Appraisal Rights </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B><I>General</I></B><B>.</B> Holders of IEA common stock will become holders of MasTec common stock as a result
of the merger. Holders of IEA common stock will be entitled to appraisal rights under Section&nbsp;262 of the DGCL in connection with the merger. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">If you hold one or more shares of IEA common stock, you are entitled to appraisal rights under Delaware law and have the right to have your
shares appraised by the Delaware Court of Chancery and receive the &#147;fair value&#148; of such shares (exclusive of any element of value arising from the accomplishment or expectation of the </P>
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merger) as of completion of the merger in place of the merger consideration, as determined by the court, if you strictly comply with the procedures specified in Section&nbsp;262 of the DGCL. Any
such IEA stockholder awarded &#147;fair value&#148; for its, his or her shares by the court would receive payment of that fair value in cash, together with interest, if any, in lieu of the right to receive the merger consideration. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The following discussion is not a full summary of the law pertaining to appraisal rights under the DGCL and is qualified in its entirety by
the full text of Section&nbsp;262 of the DGCL that is attached to this proxy statement/prospectus as Annex F. All references in Section&nbsp;262 of the DGCL and in this summary to a &#147;stockholder&#148; are to the record holder of the shares of
IEA common stock. The following discussion does not constitute any legal or other advice, nor does it constitute a recommendation that you exercise your rights to seek appraisal under Section&nbsp;262 of the DGCL. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Under Section&nbsp;262 of the DGCL, when a merger is submitted for approval at a meeting of stockholders as in the case of approval of the
merger agreement proposal, IEA, not less than 20 days prior to the meeting, must notify each stockholder who was an IEA stockholder on the record date for notice of such meeting with respect to shares for which appraisal rights are available, that
appraisal rights are available and include in the notice a copy of Section&nbsp;262 of the DGCL. This proxy statement/prospectus constitutes the required notice, and the copy of Section&nbsp;262 of the DGCL is attached to this proxy
statement/prospectus as Annex F. A holder of IEA common stock who wishes to exercise appraisal rights or who wishes to preserve the right to do so should review the following discussion and Annex F carefully and consult with legal advisors. Failure
to strictly comply with the procedures of Section&nbsp;262 of the DGCL in a timely and proper manner may result in the loss of appraisal rights under the DGCL. A stockholder who loses his, her or its appraisal rights will be entitled to receive the
merger consideration. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B><I>How to Exercise and Perfect Your Appraisal Rights.</I></B> IEA stockholders wishing to exercise the rights to
seek an appraisal of their shares must do ALL of the following: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">you must not vote in favor of approval of the merger agreement proposal. Because a proxy that is signed and
submitted but does not otherwise contain voting instructions will, unless revoked, be voted in favor of approval of the merger agreement proposal, if you submit a proxy and wish to exercise your appraisal rights, you must instruct the proxy to vote
your shares against approval of the merger agreement proposal or abstain from voting your shares on the approval of the merger agreement proposal; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">you must deliver to IEA a written demand for appraisal before the vote on the approval of the merger agreement
proposal at the special meeting and be a stockholder of record at the time of the making of such demand; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">you must continuously hold the shares from the date of making the demand through the effective time of the
merger; and </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">you or the surviving company in the merger (or any other stockholder that has properly demanded appraisal rights
and is otherwise entitled to appraisal rights) must file a petition in the Delaware Court of Chancery requesting a determination of the fair value of the shares within 120 days after the effective time of the merger. The surviving company is under
no obligation to file any such petition in the Delaware Court of Chancery and has no intention of doing so. Accordingly, it is the obligation of the IEA stockholders to initiate all necessary action to perfect their appraisal rights in respect of
shares of IEA common stock within the time prescribed in Section&nbsp;262 of the DGCL. </P></TD></TR></TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Voting, virtually or by proxy,
against, abstaining from voting on or failing to vote on the approval of the merger agreement proposal will not constitute a written demand for appraisal as required by Section&nbsp;262 of the DGCL. The written demand for appraisal must be in
addition to and separate from any proxy or vote. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B><I>Who May Exercise Appraisal Rights.</I></B> A demand for appraisal must be executed
by or on behalf of the stockholder of record. The demand should set forth, fully and correctly, the stockholder&#146;s name as it appears on </P>
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the stock certificates (or in the stock ledger). The demand must reasonably inform IEA of the identity of the stockholder and that the stockholder intends to demand appraisal of his, her or its
common stock. <B><FONT STYLE="white-space:nowrap">Non-record</FONT> owners may not directly make appraisal demands to IEA. The <FONT STYLE="white-space:nowrap">non-record</FONT> owner must, in such cases, have the owner of record, such as a bank,
brokerage firm or other nominee, submit the required demand in</B> <B>respect of those shares of common stock. </B>A record owner, such as a bank, brokerage firm or other nominee, who holds shares of IEA common stock as a nominee for others, may
exercise appraisal rights with respect to the shares of IEA common stock held for one or more <FONT STYLE="white-space:nowrap">non-record</FONT> owners, while not exercising this right for other <FONT STYLE="white-space:nowrap">non-record</FONT>
owners. In that case, the written demand should state the number of shares of IEA common stock as to which appraisal is sought. Where no number of shares of IEA common stock is expressly mentioned, the demand will be presumed to cover all shares of
IEA common stock held in the name of the record owner. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B>IF YOU HOLD YOUR SHARES IN BANK OR BROKERAGE ACCOUNTS OR OTHER NOMINEE FORMS,
AND YOU WISH TO EXERCISE APPRAISAL RIGHTS, YOU SHOULD CONSULT WITH YOUR BANK, BROKERAGE FIRM OR OTHER NOMINEE, AS APPLICABLE, TO DETERMINE THE APPROPRIATE PROCEDURES FOR THE BANK, BROKERAGE FIRM OR OTHER NOMINEE TO MAKE A DEMAND FOR APPRAISAL OF
THOSE SHARES. IF YOU HAVE A BENEFICIAL INTEREST IN SHARES HELD OF RECORD IN THE NAME OF ANOTHER PERSON, SUCH AS A BANK, BROKERAGE FIRM OR OTHER NOMINEE, YOU MUST ACT PROMPTLY TO CAUSE THE RECORD HOLDER TO FOLLOW PROPERLY AND IN A TIMELY MANNER THE
STEPS NECESSARY TO PERFECT YOUR APPRAISAL RIGHTS. </B></P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">If you own shares of IEA common stock jointly with one or more other persons, as in
a joint tenancy or tenancy in common, demand for appraisal must be executed by or for you and all other joint owners. An authorized agent, including an agent for two or more joint owners, may execute the demand for appraisal for a stockholder of
record; however, the agent must identify the record owner and expressly disclose the fact that, in making the demand, such person is acting as agent for the record owner. If you hold shares of IEA common stock through a broker who in turn holds the
shares through a central securities depository nominee such as Cede&nbsp;&amp; Co., a demand for appraisal of such shares must be made by or on behalf of the depository nominee and must identify the depository nominee as record holder. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">If you elect to exercise appraisal rights under Section&nbsp;262 of the DGCL, you should mail or deliver a written demand, executed as set
forth above, to: </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>INFRASTRUCTURE AND ENERGY ALTERNATIVES, INC. </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>6325 Digital Way, Suite 460 </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>Indianapolis, Indiana 46278 </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>(800) <FONT STYLE="white-space:nowrap">688-3775</FONT> </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>Attention: Secretary </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B><I>Actions After Completion of the Merger</I></B>. If the merger is consummated, the surviving company in the merger will give written
notice that the merger has become effective within 10 days after the effective time of the merger to each stockholder that did not vote in favor of the merger agreement and delivered a written demand for appraisal in accordance with Section&nbsp;262
of the DGCL. At any time within 60 days after the effective time of the merger, any stockholder that did not commence an appraisal proceeding or join in such a proceeding as a named party will have the right to withdraw such demand and to accept the
merger consideration in accordance with the merger agreement for his, her or its shares of common stock. Within 120 days after the effective time of the merger, but not later, any stockholder that has complied with the requirements of
Section&nbsp;262 of the DGCL, or the surviving company in the merger, may commence an appraisal proceeding by filing a petition in the Delaware Court of Chancery, with a copy served on the surviving company in the merger in the case of a petition
filed by a stockholder, demanding a determination of the value of the shares of IEA common stock held by all such stockholders. The surviving company in the merger is under no obligation to file an appraisal petition and has no intention of doing
so. If you desire to have your shares appraised and have otherwise complied with the </P>
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requirements of Section&nbsp;262 of the DGCL, you should initiate any petitions necessary for the perfection of your appraisal rights within the time periods and in the manner prescribed in
Section&nbsp;262 of the DGCL. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Within 120 days after the effective time of the merger, any stockholder that has complied with the
provisions of Section&nbsp;262 of the DGCL will be entitled to receive from the surviving company in the merger, upon written request, a statement setting forth the aggregate number of shares not voted in favor of the approval of the merger
agreement proposal and with respect to which IEA has received demands for appraisal, and the aggregate number of holders of those shares. The surviving company in the merger must mail this statement within the later of 10 days of receipt by the
surviving company in the merger of the request therefor or 10 days after expiration of the period for delivery of demands for appraisal. If you are the <FONT STYLE="white-space:nowrap">non-record</FONT> owner of shares of stock held in a voting
trust or by a nominee on your behalf, you may, in your own name, file an appraisal petition or request from the surviving company in the merger the statement described in this paragraph. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">If a petition for appraisal is duly filed, and a copy of the petition is delivered to the surviving company in the merger, the surviving
company in the merger will then be obligated, within 20 days after receiving service of a copy of the petition, to provide the Delaware Register in Chancery with a duly verified list containing the names and addresses of all holders who have
demanded an appraisal of their shares. The Delaware Court of Chancery will then determine which stockholders are entitled to appraisal rights and may require the stockholders demanding appraisal who hold certificated shares to submit their stock
certificates to the Register in Chancery for notation thereon of the pendency of the appraisal proceedings and the Delaware Court of Chancery may dismiss the proceedings as to any stockholder who fails to comply with this direction. Where
proceedings are not dismissed or the demand for appraisal is not successfully withdrawn, the appraisal proceeding will be conducted as to the shares of IEA common stock owned by such stockholders in accordance with the rules of the Delaware Court of
Chancery, including any rules specifically governing appraisal proceedings. The Delaware Court of Chancery will thereafter determine the fair value of the shares of IEA common stock at the effective time of the merger held by all stockholders who
have properly perfected appraisal rights, exclusive of any element of value arising from the accomplishment or expectation of the merger. Unless the Delaware Court of Chancery in its discretion determines otherwise for good cause shown, interest
from the effective time of the merger through the date of payment of the judgment will be compounded quarterly and will accrue at 5% over the Federal Reserve discount rate (including any surcharge) as established from time to time during the period
between the effective time of the merger and the date of payment of the judgment. When the value is determined, the Delaware Court of Chancery will direct the payment of such value, with interest thereon, if any, to the stockholders entitled to
receive the same, upon surrender by such stockholders of their stock certificates or, in the case of book-entry shares, forthwith. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">In
determining the fair value, the Delaware Court of Chancery is required to take into account all relevant factors. In <I>Weinberger v. UOP, Inc.</I>, the Delaware Supreme Court discussed the factors that could be considered in determining fair value
in an appraisal proceeding, stating that &#147;proof of value by any techniques or methods which are generally considered acceptable in the financial community and otherwise admissible in court&#148; should be considered and that &#147;[f]air price
obviously requires consideration of all relevant factors involving the value of a company.&#148; The Delaware Supreme Court has stated that, in making this determination of fair value, the court must consider market value, asset value, dividends,
earnings prospects, the nature of the enterprise and any other factors which could be ascertained as of the date of the merger which throw any light on future prospects of the merged corporation. Section&nbsp;262 of the DGCL provides that fair value
is to be &#147;exclusive of any element of value arising from the accomplishment or expectation of the merger.&#148; In <I>Cede</I><I></I><I>&nbsp;&amp; Co. v. Technicolor, Inc.</I>, the Delaware Supreme Court stated that such exclusion is a
&#147;narrow exclusion [that] does not encompass known elements of value,&#148; but which rather applies only to the speculative elements of value arising from such accomplishment or expectation. In <I>Weinberger</I>, the Delaware Supreme Court
construed Section&nbsp;262 of the DGCL to mean that &#147;elements of future value, including the nature of the enterprise, which are known or susceptible of proof as of the date of the merger and not the product of speculation, may be
considered.&#148; An opinion of an investment banking firm as to the fairness from a financial point of view of the consideration payable in a merger is not an opinion as to, and does not in any manner address, fair value under Section&nbsp;262 of
the DGCL. The fair value of </P>
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your shares as determined under Section&nbsp;262 of the DGCL could be greater than, the same as, or less than the value of the merger consideration. MasTec and the surviving company in the merger
do not anticipate offering more than the merger consideration to any stockholder exercising appraisal rights and reserve the right to assert, in any appraisal proceeding, that, for purposes of Section&nbsp;262, the &#147;fair value&#148; of a share
of IEA common stock is less than the merger consideration. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">If no party files a petition for appraisal within 120 days after the effective
time of the merger, then all stockholders will lose the right to an appraisal, and will instead receive the merger consideration described in the merger agreement, without interest thereon. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The Delaware Court of Chancery may determine the costs of the appraisal proceeding and may tax those costs against the parties as the Delaware
Court of Chancery deems to be equitable under the circumstances. However, costs do not include attorneys and expert witness fees. Each stockholder is responsible for its own attorneys and expert witnesses expenses, although, upon application of a
stockholder, the Delaware Court of Chancery may order all or a portion of the expenses incurred by any stockholder in connection with the appraisal proceeding, including reasonable attorneys&#146; fees and the fees and expenses of experts, to be
charged pro rata against the value of all shares entitled to appraisal. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Any stockholder that has duly demanded an appraisal in compliance
with Section&nbsp;262 of the DGCL will not, after the effective time of the merger, be entitled to vote the IEA shares subject to that demand for any purpose or receive any dividends or other distributions on those shares, except dividends or other
distributions payable to holders of record of IEA shares as of a record date prior to the effective time of the merger. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Any stockholder
that has not commenced an appraisal proceeding or joined such a proceeding as a named party may withdraw a demand for appraisal and accept the merger consideration by delivering a written withdrawal of the demand for appraisal to the surviving
corporation, except that any attempt to withdraw made more than 60&nbsp;days after the effective time of the merger will require written approval of the surviving company in the merger. No appraisal proceeding in the Delaware Court of Chancery will
be dismissed as to any stockholder without the approval of the Delaware Court of Chancery and such approval may be conditioned on the terms the Delaware Court of Chancery deems just, provided, however, that this provision will not affect the right
of any stockholder who has not commenced an appraisal proceeding or joined such proceeding as a named party to withdraw such stockholder&#146;s demand for appraisal and to accept the terms offered in the merger within 60 days after the effective
time of the merger. If you fail to perfect, successfully withdraw or lose the appraisal right, your shares will be converted into the right to receive the merger consideration, without interest thereon. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Failure to follow the steps required by Section&nbsp;262 of the DGCL for perfecting appraisal rights may result in the loss of appraisal
rights. In that event, you will be entitled to receive the merger consideration for your shares in accordance with the merger agreement. In view of the complexity of the provisions of Section&nbsp;262 of the DGCL, if you are an IEA stockholder and
are considering exercising your appraisal rights under the DGCL, you should consult your own legal advisor. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>THE PROCESS OF DEMANDING AND EXERCISING
APPRAISAL RIGHTS REQUIRES STRICT COMPLIANCE WITH TECHNICAL PREREQUISITES. IF YOU WISH TO EXERCISE YOUR APPRAISAL RIGHTS, YOU SHOULD CONSULT WITH YOUR OWN LEGAL COUNSEL IN CONNECTION WITH COMPLIANCE UNDER SECTION 262 OF THE DGCL. TO THE EXTENT THERE
ARE ANY INCONSISTENCIES BETWEEN THE FOREGOING SUMMARY AND SECTION 262 OF THE DGCL, THE DGCL WILL GOVERN. </B></P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><A NAME="toc338793_51"></A>Listing of
MasTec Shares to be Issued in the Merger </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">MasTec will use reasonable best efforts to cause the MasTec common stock issuable in the
transactions to be authorized for listing on the NYSE, subject to official notice of issuance, prior to the closing date. MasTec </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">78 </P>

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will also use its reasonable best efforts to obtain all necessary state securities law or &#147;blue sky&#148; permits and approvals required to carry out the transactions contemplated by the
merger agreement. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><A NAME="toc338793_52"></A>Delisting and Deregistration of IEA Common Stock and IEA SPAC Warrants </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">To the extent requested by MasTec, prior to the closing, IEA will cooperate with MasTec and use its reasonable best efforts to take, or cause
to be taken, all actions, and do or cause to be done, all things, reasonably necessary, proper or advisable on its part under applicable laws and rules and policies of the Nasdaq to enable the <FONT STYLE="white-space:nowrap">de-listing</FONT> by
the surviving corporation of the shares of IEA common stock from the Nasdaq as promptly as practicable after the effective time and the deregistration of the IEA common stock under the Exchange Act at the effective time. </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">79 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><A NAME="toc338793_53"></A>THE AGREEMENTS </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><I>The following summary describes certain material provisions of the merger agreement and the voting agreements entered into in connection
with the transaction, and is qualified in its entirety by reference to those agreements. Copies of the merger agreement and the voting agreements are attached to this proxy statement/prospectus as Annexes A, B, C and D, respectively, and are
incorporated by reference into this proxy statement/prospectus. The voting agreements are filed as exhibits to the registration statement to which this proxy statement/prospectus relates and are incorporated by reference into this proxy
statement/prospectus. This summary may not contain all of the information about the agreements that may be important to you. We encourage you to carefully read each of the agreements in its entirety for a more complete understanding of the
transaction. </I></P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><A NAME="toc338793_54"></A>Description of the Merger Agreement </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><I>This section of this proxy statement/prospectus describes certain material terms of the merger agreement. The following summary is qualified
in its entirety by reference to the complete text of the merger agreement, which is incorporated by reference and attached as Annex A to this proxy statement/prospectus. We urge you to read the entire merger agreement. </I></P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><I>The merger agreement and the discussion under the heading &#147;The Agreements &#150; Description of the Merger Agreement&#148; have been
included to provide you with information regarding the terms of the merger agreement. They are not intended to provide any other factual information about IEA, MasTec or Merger Sub. That information can be found elsewhere in this proxy
statement/prospectus and in the other public filings made by IEA and MasTec with the SEC, which are available without charge at www.sec.gov. See &#147;Where You Can Find More Information&#148; beginning on page 115 and &#147;Incorporation of Certain
Documents by Reference&#148; beginning on page 113. </I></P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On July&nbsp;24, 2022, MasTec entered into the merger agreement with IEA and
Merger Sub. The merger agreement provides, among other things, for the merger of Merger Sub with and into IEA with IEA surviving the merger as a wholly-owned subsidiary of MasTec and the issuance to IEA stockholders of shares of MasTec common stock
and cash as described below in &#147;The Agreements &#150; Transaction Structure &#150; Consideration in the Merger.&#148; </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><A NAME="toc338793_55"></A>Transaction Structure </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The parties do not intend that the consummation of the transactions contemplated by the merger agreement, including the merger, will require a
vote of the holders of MasTec common stock, and each of IEA and MasTec will use reasonable best efforts to avoid taking any action that would reasonably be expected to require such vote to be obtained. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I>Closing of the Transaction </I></B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The
closing of the transaction will take place at 9:00 a.m. Eastern Time in New York City on the third business day after the satisfaction or, to the extent permitted by applicable law, waiver of the conditions set forth in the merger agreement (other
than those conditions that by their nature are to be satisfied at the closing, but subject to the satisfaction of such conditions or, to the extent permitted by applicable law, waiver of such conditions), unless another date, time or place is agreed
to in writing by MasTec and IEA; provided that, the closing will not occur sooner than September&nbsp;22, 2022. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I>Consideration in the Merger
</I></B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">In the merger, each share of IEA common stock issued and outstanding immediately prior to the merger will automatically be
converted into the right to receive (i) $10.50 in cash, without interest and (ii) 0.0483 of a validly issued, fully paid and nonassessable share of MasTec common stock. </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">80 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">IEA stockholders are entitled to appraisal rights under the DGCL in connection with the
merger only to the extent described herein. See &#147;Appraisal Rights&#148; beginning on page 74. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I>Treatment of Stock Options, Warrants and Other
Equity-Based Awards </I></B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><I>Stock Options </I></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Each IEA stock option, whether vested or unvested, that is outstanding immediately prior to the effective time, will, at the effective time, be
cancelled and converted into the right to receive: (i)&nbsp;an amount in cash (without interest, and subject to deduction for any required withholding tax) equal to the product of (x) 75% of the excess of $14.00 over the exercise price per share of
IEA common stock under such IEA stock option and (y)&nbsp;the number of shares of IEA common stock subject to such IEA stock option, and (ii)&nbsp;a number of shares of MasTec common stock equal to the product of (x)&nbsp;the product of (A) 25% of
the excess of $14.00 over the exercise price per share of IEA common stock under such IEA stock option and (B) 0.0138 and (y)&nbsp;the number of shares of IEA common stock subject to such IEA stock option, with any such cash payment to be paid and
any such shares of MasTec common stock to be issued to each holder promptly after the effective time, but in any event no later than the fifth business day after the effective time. Any IEA stock option with an exercise price per share as of the
effective time that is greater than or equal to $14.00 will be cancelled without any cash payment being made in respect thereof. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><I>Restricted Stock
Units </I></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Each restricted stock unit that vests solely based on the passage of time with respect to shares of IEA common stock, whether
vested or unvested, that is outstanding immediately prior to the effective time, will, at the effective time, be cancelled and converted into the right to receive (i)&nbsp;an amount in cash (without interest, and subject to deduction for any
required withholding tax) equal to the product obtained by multiplying (x)&nbsp;the cash consideration and (y)&nbsp;the number of shares of IEA common stock subject to such restricted stock unit and (ii)&nbsp;a number of shares of MasTec common
stock equal to the product obtained by multiplying (x)&nbsp;the stock consideration and (y)&nbsp;the number of shares of IEA common stock subject to such restricted stock unit, with any such cash payment to be paid and any such shares of MasTec
common stock to be issued to each holder promptly after the effective time, but in any event no later than the fifth business day after the effective time. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><I>Performance Stock Units </I></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Each performance
stock unit that vests in whole or in part based on the achievement of one or more performance goals with respect to shares of IEA common stock, whether vested or unvested, that is outstanding immediately prior to the effective time, will, at the
effective time, be cancelled and converted into the right to receive (i)&nbsp;an amount in cash (without interest, and subject to deduction for any required withholding tax) equal to the product obtained by multiplying (x)&nbsp;the cash
consideration and (y)&nbsp;the number of shares of IEA common stock subject to such performance stock unit assuming the target level of performance is achieved and (ii)&nbsp;a number of shares of MasTec common stock equal to the product obtained by
multiplying (x)&nbsp;the stock consideration and (y)&nbsp;the number of shares of IEA common stock subject to such performance stock unit assuming the target level of performance is achieved, with any such cash payment to be paid and any such shares
of MasTec common stock to be issued to each holder promptly after the effective time, but in any event no later than the fifth business day after the effective time. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><I>Anti-Dilution Warrants </I></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Each outstanding
anti-dilution warrant will, immediately prior to the effective time, be cancelled and the registered holder thereof will be entitled to receive (i)&nbsp;an amount in cash, without interest, equal to the product obtained by multiplying (x)&nbsp;the
cash consideration and (y)&nbsp;the number of shares of IEA common stock then issuable upon exercise of the anti-dilution warrant and (ii)&nbsp;a number of shares of MasTec common stock equal to </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">81 </P>

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product obtained by multiplying (x)&nbsp;the stock consideration and (y)&nbsp;the number of shares of IEA common stock then issuable upon exercise of the
<FONT STYLE="white-space:nowrap">anti-dilution</FONT> warrant, in each case as if the registered holder had exercised the anti-dilution warrant in full immediately prior to the effective time and acquired the applicable number of shares of IEA
common stock then issuable thereunder as a result of such exercise. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><I><FONT STYLE="white-space:nowrap">Pre-Funded</FONT> Warrants </I></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Each <FONT STYLE="white-space:nowrap">pre-funded</FONT> warrant that is outstanding as of immediately prior to the effective time will, at the
effective time, be deemed exercised in full as a &#147;cashless exercise&#148; and the holder thereof will be entitled to receive (i)&nbsp;an amount in cash, without interest, equal to the product obtained by multiplying (x)&nbsp;the cash
consideration and (y)&nbsp;the number of shares of IEA common stock then issuable upon exercise in full of the <FONT STYLE="white-space:nowrap">pre-funded</FONT> warrant as a cashless exercise and (ii)&nbsp;a number of shares of MasTec common stock
equal to product obtained by multiplying (x)&nbsp;the stock consideration and (y)&nbsp;the number of shares of IEA common stock then issuable upon exercise in full of the <FONT STYLE="white-space:nowrap">pre-funded</FONT> warrant as a cashless
exercise, in each case, calculated in accordance with and subject to the terms and conditions of the <FONT STYLE="white-space:nowrap">pre-funded</FONT> warrant. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><I>SPAC Warrants </I></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Each outstanding SPAC
warrant will, at the effective time, cease to represent a SPAC warrant in respect of shares of IEA common stock and will become a SPAC warrant exercisable for the merger consideration. If a holder properly exercises a SPAC warrant within 30 days
following the public disclosure of the consummation of the merger pursuant to a current report on Form <FONT STYLE="white-space:nowrap">8-K,</FONT> the warrant price (as defined in the SPAC Warrant Agreement) with respect to such exercise will be
reduced by an amount (in dollars) equal to the difference (but in no event less than zero) of (i)&nbsp;the warrant price in effect prior to such reduction minus (ii)&nbsp;(x) the per share consideration (as defined in the SPAC Warrant Agreement)
minus (y)&nbsp;the Black-Scholes warrant value (as defined in the SPAC Warrant Agreement). </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><I>Series B Warrants </I></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Each outstanding Series B warrant will, immediately prior to the effective time, be cancelled and the registered holder thereof will be
entitled to receive (i)&nbsp;an amount in cash, without interest, equal to the product obtained by multiplying (x)&nbsp;the cash consideration and (y)&nbsp;the number of shares of IEA common stock then issuable upon exercise of the Series B warrant
and (ii)&nbsp;a number of shares of MasTec common stock equal to product obtained by multiplying (x)&nbsp;the stock consideration and (y)&nbsp;the number of shares of IEA common stock then issuable upon exercise of the Series B warrant, in each case
as if the registered holder had exercised the Series B warrant in full immediately prior to the effective time and acquired the applicable number of shares of IEA common stock then issuable thereunder as a result of such exercise. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I>Exchange and Payment Procedures in the Merger </I></B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Prior to the effective time, MasTec will enter into an agreement (in a form reasonably acceptable to the IEA) with IEA&#146;s transfer agent to
act as an exchange agent (referred to as the &#147;exchange agent&#148;) for the purpose of paying the merger consideration payable in respect of shares of IEA common stock converted into merger consideration pursuant to the merger agreement and the
fractional share cash consideration. Prior to or as of the effective time, MasTec will deposit (or cause to be deposited) with the exchange agent (i)&nbsp;cash in an amount sufficient to make all payments of the cash consideration in respect of
shares of IEA common stock pursuant to the merger agreement, (ii)&nbsp;the aggregate fractional share cash consideration payable in the merger to holders of shares of IEA common stock and (iii)&nbsp;evidence of MasTec common stock in book-entry form
representing the number of shares of MasTec common stock sufficient to deliver the aggregate stock consideration payable in the merger to holders of shares of IEA common stock. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Promptly after the effective time and in any event not later than the third business day following the effective time, the surviving
corporation will cause the exchange agent to mail to each holder of record of an </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">82 </P>

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outstanding certificate or outstanding certificates that immediately prior to the effective time represented outstanding shares of IEA common stock that were converted into the right to receive
the merger consideration with respect thereto pursuant to the merger agreement, (i)&nbsp;a form of letter of transmittal (which will specify that delivery will be effected, and risk of loss and title to the certificates held by such person will
pass, only upon proper delivery of the certificates to the exchange agent) and (ii)&nbsp;instructions for use in effecting the surrender of such certificates in exchange for the merger consideration payable with respect thereto pursuant to the
merger agreement and the fractional share cash consideration payable pursuant to the merger agreement. Upon surrender of a certificate to the Exchange Agent, together with such letter of transmittal, duly completed and validly executed in accordance
with the instructions thereto, the holder of such certificate will be entitled to receive in exchange therefor the merger consideration for each share of IEA common stock formerly represented by such certificate (subject to deduction for any
required withholding tax), and the certificate so surrendered will forthwith be cancelled and the shares of MasTec common stock issued in connection with the foregoing will be in <FONT STYLE="white-space:nowrap">non-certificated</FONT> book-entry
form. Promptly after the effective time and in any event not later than the third business day following the effective time, the surviving corporation will cause the exchange agent to mail to each holder of record immediately prior to the effective
time of uncertificated shares of IEA common stock represented by book entry customary instructions for use in effecting the surrender of book-entry shares in exchange for the merger consideration payable with respect thereto pursuant to the merger
agreement and the fractional share cash consideration payable pursuant to the merger agreement. Upon receipt by the exchange agent of an &#147;agent&#146;s message&#148; in customary form, and such other evidence of surrender, if any, as the
exchange agent may reasonably request in respect of book-entry shares, the holder thereof will be entitled to receive in exchange therefore the merger consideration and the fractional share cash consideration payable pursuant to the merger agreement
with respect to each share of IEA common stock formerly represented by such book-entry shares (subject to deduction for any required withholding tax) and the shares of MasTec common stock issued in connection with the foregoing will be in <FONT
STYLE="white-space:nowrap">non-certificated</FONT> book-entry form. No interest will be paid or accrued for the benefit of holders of certificates or book-entry shares on the merger consideration payable in respect of certificates or book-entry
shares. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">At any time following the date that is 12 months after the effective time, the surviving corporation will be entitled to require
the exchange agent to deliver to it any funds (including any interest received with respect thereto) which have been made available to the exchange agent and which have not been disbursed to holders of certificates or book-entry shares, and
thereafter such holders will be entitled to look to MasTec and the surviving corporation (subject to abandoned property, escheat or other similar laws) only as general creditors thereof with respect to the merger consideration (and any dividends or
other distributions payable with respect thereto pursuant to the merger agreement and cash in lieu of any fractional shares payable with respect thereto pursuant to the merger agreement) payable upon due surrender of their certificate or book-entry
shares. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I>Certain Representations and Warranties </I></B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The merger agreement contains customary representations and warranties made by MasTec, Merger Sub and IEA to each other. The representations
and warranties in the merger agreement were made as of specific dates. The assertions embodied in those representations and warranties were made solely for purposes of the contract among MasTec, IEA and Merger Sub and may be subject to important
qualifications and limitations agreed to by MasTec and IEA in connection with negotiating the terms of the merger agreement. Additionally, subject to certain exceptions, the representations and warranties made by MasTec, Merger Sub and IEA in the
merger agreement are qualified by the information disclosed by MasTec or IEA, respectively, with the SEC at least two business days prior to the date of the merger agreement, excluding any risk factor disclosures, disclosure of risks in any
&#147;forward-looking statements&#148; disclaimer and other statements that are similarly predictive or forward-looking in nature, in each case, other than any specific factual information contained therein. Moreover, certain representations and
warranties may not be accurate or complete as of any specified date because they are subject to a contractual standard of materiality (including, in many cases, &#147;material adverse effect&#148;) different from those generally applicable to
shareholders and in some cases may be qualified by disclosures made by one party to the other in disclosure letters delivered by such party to the other, which are not </P>
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necessarily reflected in the merger agreement or were used for the purpose of allocating risk between MasTec and IEA rather than establishing matters as facts. Finally, information concerning the
subject matter of the representations and warranties in the merger agreement may have changed since the date of the merger agreement, which may or may not be fully reflected in MasTec&#146;s and IEA&#146;s public disclosures. MasTec and IEA will
provide additional disclosure in their public reports to the extent that they are aware of the existence of any material facts that are required to be disclosed under federal securities laws and that might otherwise contradict the terms and
information contained in the merger agreement, and will update such disclosure as required by federal securities laws. The representations and warranties in the merger agreement do not survive the effective time. For the foregoing reasons, you
should not rely on the representations and warranties in the merger agreement as statements of factual information. Some of the more significant representations and warranties that MasTec and IEA each made to the other relate to: </P>
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<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">valid existence, corporate authority to conduct business and good standing, including with respect to its
subsidiaries; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">corporate authority to enter into the merger agreement and to consummate such transaction; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">approval of the merger agreement and the transaction by its respective board; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">required governmental approvals; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">absence of conflict with or breach of organizational documents, certain agreements and applicable law resulting
from the execution and delivery of the merger agreement and the consummation of the transaction (referred to as the &#147;noncontravention representation&#148;); </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">capital stock, stock options and other equity interests, to the extent applicable to such party;
</P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">SEC filings; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">internal controls and procedures; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">financial statements; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>

<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">absence of certain changes or events; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">absence of certain undisclosed liabilities; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">compliance with applicable laws and possession of necessary permits and licenses; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">litigation; and </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">broker fees. </P></TD></TR></TABLE>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">In addition, (i)&nbsp;IEA has made representations to MasTec relating to employee benefits, labor matters, environmental matters, taxes,
existence and validity of, and compliance with, material contracts, customers and suppliers, insurance, interests in real and leased property, intellectual property, international trade law compliance, the inapplicability of state anti-takeover
statutes, the opinion of its financial advisor, and surety bonds and (ii)&nbsp;MasTec has made representations to IEA regarding MasTec&#146;s financial ability and its debt financing. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I>Definition of &#147;Material Adverse Effect&#148; </I></B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">For purposes of the merger agreement, a &#147;material adverse effect&#148; with respect to a party and its subsidiaries is defined to mean any
effect, change, circumstance, development, occurrence or event that, individually or in the aggregate, has had, or would reasonably be expected to have, a material adverse effect on the financial condition, business, assets, liabilities or results
of operations of such party and its subsidiaries, taken as a whole. However, for purposes of determining whether there has been or there would or could be a material adverse effect with respect to a party and its subsidiaries, no event, change,
circumstance, development, occurrence or effect directly </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">84 </P>

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<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>


<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">
or indirectly arising out of, attributable to or resulting from any of the following, alone or in combination, will be taken into account: </P>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">any changes in general economic or business conditions or in the financial, debt, banking, capital, credit or
securities markets, or in interest or exchange rates, in each case, in the United States or elsewhere in the world (provided, that to the extent such event, change, circumstance, development, occurrence or effect disproportionately impacts such
party and its subsidiaries, taken as a whole, as compared to other participants in the industries and geographic areas in which such party and its subsidiaries operate (and provided that in such event, only the incremental disproportionate adverse
impact will be taken into account when determining whether there has been a &#147;material adverse effect&#148; under the merger agreement)); </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">any changes or developments generally affecting any of the industries in which such party or its subsidiaries
operate (provided, that to the extent such event, change, circumstance, development, occurrence or effect disproportionately impacts such party and its subsidiaries, taken as a whole, as compared to other participants in the industries and
geographic areas in which such party and its subsidiaries operate (and provided that in such event, only the incremental disproportionate adverse impact will be taken into account when determining whether there has been a &#147;material adverse
effect&#148; under the merger agreement)); </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">any changes in any applicable laws or any changes in applicable accounting regulations or principles, or in
interpretations of any of the foregoing (provided, that to the extent such event, change, circumstance, development, occurrence or effect disproportionately impacts such party and its subsidiaries, taken as a whole, as compared to other participants
in the industries and geographic areas in which such party and its subsidiaries operate (and provided that in such event, only the incremental disproportionate adverse impact will be taken into account when determining whether there has been a
&#147;material adverse effect&#148; under the merger agreement)); </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">any change in the market price or trading volume of such party&#146;s stock, in and of itself (provided, that the
event, change, circumstance, development, occurrence or effect underlying such change that are not otherwise excluded from the definition of &#147;material adverse effect&#148; may be deemed to constitute, or be taken into account in determining
whether there has been or would reasonably be expected to become, a material adverse effect); </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">any failure by such party to meet internal or published projections, forecasts, revenue or earnings predictions,
in and of itself (provided, that the facts or occurrences giving rise to or contributing to such failure that are not otherwise excluded from the definition of &#147;material adverse effect&#148; may be deemed to constitute, or be taken into account
in determining whether there has been or would reasonably be expected to become a material adverse effect); </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">political, geopolitical, social or regulatory conditions, including any outbreak, continuation or escalation of
any military conflicts, declared or undeclared wars, armed hostilities, civil unrest, public demonstrations or acts of foreign or domestic terrorism or sabotage (including hacking, ransomware or any other electronic attack), or any escalation or
worsening of any such conditions (provided, that to the extent such event, change, circumstance, development, occurrence or effect disproportionately impacts such party and its subsidiaries, taken as a whole, as compared to other participants in the
industries and geographic areas in which such party and its subsidiaries operate (and provided that in such event, only the incremental disproportionate adverse impact will be taken into account when determining whether there has been a
&#147;material adverse effect&#148; under the merger agreement)); </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">any natural or manmade disasters or calamities, weather conditions including hurricanes, floods, tornados,
tsunamis, earthquakes and wild fires, cyber outages, or other force majeure events, or any escalation or worsening of such conditions (provided, that to the extent such event, change, circumstance, development, occurrence or effect
disproportionately impacts such party and its subsidiaries, taken as a whole, as compared to other participants in the industries and geographic areas </P></TD></TR></TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">85 </P>

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<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>


<Center><DIV STYLE="width:8.5in" align="left">

<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="9%">&nbsp;</TD>
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">
in which such party and its subsidiaries operate (and provided that in such event, only the incremental disproportionate adverse impact will be taken into account when determining whether there
has been a &#147;material adverse effect&#148; under the merger agreement)); </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">any epidemic, pandemic or outbreak of disease (including, for the avoidance of doubt, <FONT
STYLE="white-space:nowrap">COVID-19),</FONT> or any escalation or worsening of such conditions (provided, that to the extent such event, change, circumstance, development, occurrence or effect disproportionately impacts such party and its
subsidiaries, taken as a whole, as compared to other participants in the industries and geographic areas in which such party and its subsidiaries operate (and provided that in such event, only the incremental disproportionate adverse impact will be
taken into account when determining whether there has been a &#147;material adverse effect&#148; under the merger agreement)); </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">(a) the announcement of the merger agreement and the transactions contemplated by the merger agreement, including
the initiation of litigation by any person with respect to the merger agreement, and including any termination of, reduction in or similar negative impact on relationships, contractual or otherwise, with any customers, suppliers, distributors,
partners or employees of such party and its subsidiaries due to the announcement and performance of the merger agreement or the identity of the parties to the merger agreement; (b)&nbsp;the performance of the merger agreement and the transactions
contemplated by the merger agreement; or (c)&nbsp;any action taken by such, or which such party causes to be taken by any of its subsidiaries, in each case which is required in connection with the merger agreement (provided, that the exception in
this clause will not apply with respect to any representation and warranty in such party&#146;s noncontravention representation, IEA&#146;s 280G representation, its intellectual property rights representation or its data privacy representation to
the extent addressing the impact of the execution, delivery or performance of the merger agreement or the transactions contemplated by the merger agreement and to the extent related to such representations and warranties, the condition set forth in
the closing condition in connection with the accuracy of the representations and warranties of such party); and </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">any action taken (or omitted to be taken) at the written request of the other party. </P></TD></TR></TABLE>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I>Conduct of IEA&#146;s Business Pending the Transaction </I></B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Prior to the effective time, except as expressly required by the merger agreement, as disclosed in the disclosure letter, as required by
applicable law (including any public health measures) or as otherwise taken in good faith by IEA or any of its subsidiaries in response to <FONT STYLE="white-space:nowrap">COVID-19</FONT> or unless MasTec otherwise consents in writing (which consent
will not be unreasonably withheld, conditioned or delayed), IEA agreed that it will, and will cause each of its subsidiaries to, conduct their respective business in the ordinary course of business in all material respects and use reasonable best
efforts to preserve substantially intact their respective business organizations and material assets, to keep available the services of its and its subsidiaries&#146; current officers and key employees, to preserve their respective present
relationships with material customers and material suppliers and comply in all material respects with all applicable laws. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Except as
expressly required by the merger agreement, as disclosed in the disclosure letter, as required by applicable law (including any public health measures) or unless MasTec otherwise consents in writing (which consent will not be unreasonably withheld,
conditioned or delayed), IEA will not, and IEA will cause each of its subsidiaries not to: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">amend or otherwise change its certificate of incorporation or bylaws or any similar governing instruments (other
than amendments to the governing documents of any wholly-owned subsidiary of IEA that would not prevent, materially delay or materially impair the merger or the other transactions contemplated by the merger agreement); </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">amend or otherwise change or grant any waiver under the SPAC Warrant Agreement, the Series B warrant agreement,
the <FONT STYLE="white-space:nowrap">pre-funded</FONT> warrant agreement or any other contracts to which IEA or any of its subsidiaries is a party with respect to the IEA warrants; </P></TD></TR></TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">86 </P>

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<Center><DIV STYLE="width:8.5in" align="left">

<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">issue, deliver, sell, pledge, dispose of or encumber any shares of IEA&#146;s or any of its subsidiaries&#146;
capital stock or securities convertible into or exchangeable for any such equity interests, or any rights, warrants or options to acquire any such equity interests or other convertible securities of IEA or any of its subsidiaries or any other
securities in respect of, in lieu of, or in substitution for IEA&#146;s or any of its subsidiaries&#146; capital stock, or grant to any person any right to acquire any shares of IEA&#146;s or any of its subsidiaries&#146; capital stock, except
(A)&nbsp;pursuant to the exercise of IEA stock options or IEA warrants or settlement of other awards outstanding as of the date of the merger agreement (or permitted hereunder to be granted after the date of the merger agreement) and in accordance
with the terms of such instruments as in effect as of the date of the merger agreement; (B)&nbsp;the issuances in accordance with the terms of the equity commitment agreements and the preferred stock exchange agreement in effect as of the date of
the merger agreement of anti-dilution warrants to purchase no more than 813,288 shares of IEA common stock; and (C)&nbsp;transactions solely between IEA and a wholly-owned subsidiary of IEA or solely between wholly owned subsidiaries of IEA;
</P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">declare, set aside, make or pay any dividend or other distribution, payable in cash, stock, property or
otherwise, with respect to IEA&#146;s or any of its subsidiaries&#146; capital stock (except for any dividend or distribution by a wholly-owned subsidiary of IEA to IEA or to other wholly-owned subsidiaries of IEA); </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">adjust, split, combine, redeem, repurchase or otherwise acquire any shares of capital stock of IEA or any of its <FONT
STYLE="white-space:nowrap">non-wholly-owned</FONT> subsidiaries (except for cashless exercises or similar transactions pursuant to the exercise of IEA stock options or IEA warrants or settlement of IEA restricted stock units and IEA performance
stock units outstanding as of the date of the merger agreement and, in each case, in accordance with the terms of such instruments as in effect as of the date of the merger agreement (as applicable)), or reclassify, combine, split, subdivide or
otherwise amend the terms of their respective capital stock; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">(A) acquire (whether by merger, consolidation or acquisition of stock or assets or otherwise) any corporation,
partnership or other business organization or division thereof or any assets, in each case, having a value in excess of $10,000,000 individually or $25,000,000 in the aggregate, other than purchases of supplies and other assets in the ordinary
course of business or as required pursuant to commitments under existing contracts or after written notice (including email) to MasTec, purchases of assets necessary to be purchased to address an operational emergency during the <FONT
STYLE="white-space:nowrap">two-day</FONT> period after the commencement of such emergency; or (B)&nbsp;sell, license, lease or otherwise dispose of (whether by merger, consolidation or acquisition of stock or assets or otherwise) any corporation,
partnership or other business organization or division thereof or any assets (other than the sale of inventory and other assets, and the grant of <FONT STYLE="white-space:nowrap">non-exclusive</FONT> licenses, in the ordinary course of business);
</P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">adopt or effect a plan of complete or partial liquidation, dissolution, restructuring, recapitalization or other
reorganization; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">except as set forth in the disclosure letter, enter into, materially amend or modify or terminate (other than
terminations without material penalty or loss of material benefit to IEA), or grant any material consent, or waive any material right under, (A)&nbsp;any material contract, any other contract that, if in effect as of the date of the merger
agreement, would constitute a material contract or any material contract with a material customer, in each case (except with respect to any contract that (u)&nbsp;restricts in any material respect the ability of IEA or any of its subsidiaries to
freely engage in or compete in any line of its business with any person or anywhere in the world or during any period of time, (v)&nbsp;grants or obligates IEA or any of its subsidiaries to grant any &#147;most favored nations&#148; pricing
provision or similar rights, and/or (w)&nbsp;restricts in any material respect the ability of IEA or any of its subsidiaries to engage suppliers, customers or other persons with which IEA and its subsidiaries may do business (other than restrictions
on the solicitation or hiring of employees or consultants entered into in the ordinary course of business in all material respects), including &#147;exclusivity,&#148; rights of first refusal or offer or any similar requirement or right in favor of
any third party; or with respect to any contract that (x)&nbsp;relates to the acquisition (whether by merger, sale of equity interests, sale of assets, capital contribution or </P></TD></TR></TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">87 </P>

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<Center><DIV STYLE="width:8.5in" align="left">

<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="9%">&nbsp;</TD>
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">
otherwise) by IEA or any of its subsidiaries of any corporation, partnership or other business, organization or division thereof after the date of the merger agreement for total potential
consideration (including &#147;earnouts&#148; and other contingent or deferred consideration) of more than $25,000,000 in the aggregate, (y)&nbsp;relates to the disposition (whether by merger, sale of equity interests, sale of assets, capital
contribution or otherwise) by IEA or any of its subsidiaries of any corporation, partnership or other business, organization or division thereof after the date of the merger agreement, for potential consideration of more than $5,000,000 or
(z)&nbsp;contains a put, call, right of first refusal or similar right pursuant to which IEA or any of its subsidiaries could be required to acquire or dispose of, as applicable, any of the foregoing) other than in the ordinary course of business
(including ordinary course change orders); (B) any contract that would require approval of the bid review committee of the IEA board pursuant to the terms of the charter of such committee in effect as of the date of the merger agreement;
(C)&nbsp;any customer contract relating primarily to the civil division of IEA and its subsidiaries, reasonably likely to involve payments to or from IEA and its subsidiaries in excess of $95,000,000; or (D)&nbsp;any contract with a duration
reasonably likely to exceed 24 months, that is not terminable by IEA upon 30 days&#146; written notice (or less) without penalty; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">make, or agree or commit to make, any capital expenditure, except (A)&nbsp;in accordance with the capital
expenditure budget set forth in the disclosure letter, plus a 7% variance for each principal category set forth in such capital expenditure budget; (B)&nbsp;capital expenditures necessary to address operational emergencies; or (C)&nbsp;as required
by law or a governmental entity; provided, that in the case of clauses (B)&nbsp;and (C), IEA will, to the extent practicable, prior to taking any of the actions contemplated thereby, consult with MasTec and will provide MasTec with notice of such
action taken as soon as reasonably practicable thereafter; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">except as permitted in the disclosure letter or in accordance with the capital expenditure budget set forth in
the disclosure letter (plus a 7% variance for each principal category set forth in such capital expenditure budget), (A) make any loans, advances or capital contributions to, or investments in, any other person (other than a wholly-owned subsidiary
of IEA); (B) incur, assume, endorse, issue, sell, guaranty or otherwise become liable for or modify the terms of any indebtedness (except that (i)&nbsp;IEA may incur borrowings under IEA&#146;s revolving credit facility included as of the date of
the merger agreement under the existing IEA credit agreement in the ordinary course of business, provided, that no more than $100,000,000, in the aggregate, for borrowed money is outstanding under such revolving credit facility at any time, and
(ii)&nbsp;IEA may post letters of credit under IEA&#146;s revolving credit facility included as of the date of the merger agreement under the existing company credit agreement, or enter into parent guarantees, to customers in support of performance
by IEA and/or its wholly owned subsidiaries under contracts in the ordinary course of business); (C) assume, guarantee, endorse or otherwise become liable or responsible for the indebtedness or other obligations of another person (other than
(i)&nbsp;a guaranty by IEA of obligations of its subsidiaries or (ii)&nbsp;a guaranty by IEA of obligations of its joint ventures so long as such guaranty together with all other guaranties by IEA of its joint ventures entered into after the date of
the merger agreement do not exceed $1,000,000 in the aggregate); (D) post or permit to be posted surety bonds in respect of which IEA or any of its subsidiaries have any contingent liability other than surety bonds posted to customers in support of
performance by IEA and/or its subsidiaries under contracts; (E)&nbsp;enter into any &#147;keep well&#148; or other contract to maintain any financial condition of any other person (other than any wholly owned subsidiary of IEA); (F) repurchase or
repay any indebtedness, other than the repayment of indebtedness under IEA&#146;s existing revolving credit facility under the existing company credit agreement; or (G)&nbsp;incur or assume any obligations with respect to any deferred purchase price
of property or services (other than trade payables incurred in the ordinary course of business), any conditional sale or other title retention agreement with respect to acquired property, any lease that is required under GAAP to be recorded as a
capital lease or finance lease (excluding leases required to be recorded under GAAP as operating leases), or any purchase money financing or other indebtedness incurred in connection with the purchase or lease of equipment; </P></TD></TR></TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">88 </P>

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<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">except to the extent required by applicable law, any IEA plan listed in the disclosure letter or as contemplated
by the merger agreement, (A)&nbsp;increase in any manner the compensation (including severance, <FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">change-in-control</FONT></FONT> and retention compensation) or benefits of any employee
or director of IEA or any of its subsidiaries, except for increases in base salary or wage rates of employees (other than executive officer employees) of up to 5% in the ordinary course of business in connection with IEA&#146;s annual merit review
process or in connection with promotions of any employee (other than executive officer employees) or, after written notice (including email) to MasTec, providing overtime pay to <FONT STYLE="white-space:nowrap">non-executive</FONT> employees to be
paid to address an operational emergency during the <FONT STYLE="white-space:nowrap">two-day</FONT> period after the commencement of such emergency; (B)&nbsp;establish, amend or adopt any compensation or benefit plan including any pension,
retirement, profit-sharing, bonus or other employee benefit or welfare benefit plan (other than renewals of health plans in the ordinary course of business) with or for the benefit or its employees or directors; (C)&nbsp;accelerate the vesting of,
or the lapsing of restrictions with respect to, any IEA stock options, IEA restricted stock units, IEA performance stock units or other stock-based compensation; (D)&nbsp;hire any new executive officer or any new employee who is not an executive
officer other than any <FONT STYLE="white-space:nowrap">non-executive</FONT> officer employee with a target base salary of not more than $250,000 or terminate any executive officer, other than for cause; or (E)&nbsp;other than in the ordinary course
of business, enter into, amend, extend or renew a labor agreement; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">implement or adopt any material change in its methods of accounting, except as may be appropriate to conform to
changes in statutory or regulatory accounting rules or GAAP or regulatory requirements with respect thereto; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">compromise, settle or agree to settle any action (including any action relating to the merger agreement or the
transactions contemplated hereby), or consent to the same, other than compromises, settlements or agreements that involve only the payment of money damages (A)&nbsp;for an amount (in excess of insurance proceeds) for each such compromise or
settlement that is, individually, less than $1,000,000 and for all such compromises or settlements that is, in the aggregate, less than $5,000,000 or (B)&nbsp;consistent with the reserves reflected in IEA&#146;s balance sheet at March&nbsp;31, 2022;
</P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">(A) make, change or revoke any material election with respect to taxes; (B)&nbsp;change any annual tax accounting
period; (C)&nbsp;adopt or change any material method of tax accounting; (D)&nbsp;amend any material tax return; (E)&nbsp;surrender any right to claim a material tax refund; (F)&nbsp;consent to any extension or waiver of the limitation period
applicable to any material tax claim or assessment (except in the ordinary course of business); or (G)&nbsp;agree to settle any material tax claim or assessment; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">abandon, allow to lapse, sell, assign, transfer, grant any security interest in otherwise encumber or dispose of
any IEA registered intellectual property, or grant any right or license to any IEA registered intellectual property other than pursuant to <FONT STYLE="white-space:nowrap">non-exclusive</FONT> licenses entered into in the ordinary course of
business; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">terminate or modify in any material respect, or fail to exercise renewal rights with respect to, any material
insurance policy; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">enter into, materially amend or modify or terminate any leases of real property for which the annual rental
exceeds $10,000,000. </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">engage in any transaction with, or enter into any agreement, arrangement or understanding with, any affiliate of
IEA or other person covered by Item 404 of Regulation <FONT STYLE="white-space:nowrap">S-K</FONT> promulgated by the SEC that would be required to be disclosed pursuant to Item 404 of Regulation <FONT STYLE="white-space:nowrap">S-K</FONT>
promulgated by the SEC; or </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">agree to take any of the foregoing actions. </P></TD></TR></TABLE>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I>Conduct of MasTec&#146;s Businesses Pending the Transaction </I></B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Prior to the effective time, except as expressly required by the merger agreement, as required by applicable law (including any public health
measures) or as otherwise taken in good faith by IEA or any of its subsidiaries </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">89 </P>

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in response to <FONT STYLE="white-space:nowrap">COVID-19</FONT> or unless IEA otherwise consents in writing (which consent will not be unreasonably withheld, conditioned or delayed), MasTec
agreed that it will, and will cause each of its subsidiaries to, use reasonable best efforts to preserve substantially intact their respective business organizations and material assets, to keep available the services of its and its
subsidiaries&#146; current officers and key employees, to preserve their respective present relationships with material customers and material suppliers and comply in all material respects with all applicable laws. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Except as expressly required by the merger agreement, as required by applicable law (including any public health measures), or unless IEA
otherwise consents in writing (which consent will not be unreasonably withheld, conditioned or delayed), MasTec will not: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">amend or otherwise change its certificate of incorporation or bylaws or any similar governing instruments that
would prevent, materially delay or materially impair the merger or the other transactions contemplated by the merger agreement; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">declare, set aside, make or pay any dividend or other distribution, payable in cash, stock, property or
otherwise, with respect to the shares of MasTec common stock; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">adjust, split, combine, redeem, reclassify, combine, subdivide or otherwise amend the terms of the shares of
MasTec common stock; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">adopt or effect a plan of complete or partial liquidation, dissolution, restructuring, recapitalization or other
reorganization of MasTec; or </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">agree or authorize, in writing or otherwise, to take any of the foregoing actions. </P></TD></TR></TABLE>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Prior to the earlier of the effective time and the termination of the merger agreement in accordance with its terms, and except as may
otherwise be required by applicable law, required by the merger agreement or with the prior written consent of IEA (which consent will not be unreasonably withheld, conditioned or delayed), each of MasTec and Merger Sub agreed that it will not,
directly or indirectly, make, or agree to make, any acquisition (whether by merger, consolidation or acquisition of stock or assets or otherwise) of any corporation, partnership or other business, organization or division thereof that would
reasonably be expected to materially adversely affect or materially delay the ability of MasTec or Merger Sub to consummate the merger. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I>Restrictions on IEA&#146;s Solicitation of Acquisition Proposals </I></B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On July&nbsp;24, 2022, IEA agreed that it will immediately cease and cause to be terminated any existing activities, discussions or
negotiations with any persons conducted heretofore with respect to any alternative acquisition proposal including, but not limited to, terminating the access to any existing electronic data rooms and ceasing to contact or communicate with other
bidders. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">In addition, IEA agreed, subject to the terms of the merger agreement, that neither it nor any of its subsidiaries will, and
that it will cause its subsidiaries and IEA&#146;s and its subsidiaries&#146; respective directors, officers, investment bankers, attorneys, accountants and other advisors or representatives not to, directly or indirectly: </P>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">initiate, solicit or knowingly encourage (including by providing information) any inquiries, proposals or offers
with respect to, or the making or completion of, an alternative acquisition proposal or the making of any proposal that would reasonably be expected to lead to an alternative acquisition proposal; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TR style = "page-break-inside:avoid">
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<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">furnish any nonpublic information regarding IEA or any of its subsidiaries or afford access to the business,
properties, assets, employees, consultants, books or records of IEA or any of its subsidiaries to any person that is reasonably expected to make, or has made, an alternative acquisition proposal; and </P></TD></TR></TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">90 </P>

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<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">subject to certain exceptions, engage or participate in any negotiations or discussions concerning, or provide or
cause to be provided any nonpublic information or data relating to IEA or any of its subsidiaries in connection with, an alternative acquisition proposal. </P></TD></TR></TABLE>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Notwithstanding the foregoing restrictions, at any time prior to obtaining the IEA stockholders&#146; approval of the transaction, IEA may, in
response to an unsolicited bona fide written alternative acquisition proposal that did not result from a breach of the merger agreement and that the IEA board determines in good faith, after consultation with its financial advisors and outside legal
counsel, constitutes or would reasonably be expected to lead to a superior proposal, (i)&nbsp;furnish information with respect to IEA and its subsidiaries to the person making such alternative acquisition proposal pursuant to a customary
confidentiality agreement on terms substantially similar to those contained in the certain confidentiality agreement between IEA and MasTec (except for such changes specifically necessary in order for IEA to be able to comply with its obligations
under the merger agreement and it being understood that IEA may enter into a confidentiality agreement without a standstill provision) and (ii)&nbsp;participate in discussions or negotiations with such person and its representatives regarding such
alternative acquisition proposal; provided, that IEA will promptly provide or make available to MasTec any material <FONT STYLE="white-space:nowrap">non-public</FONT> information concerning IEA or any of its subsidiaries that is provided to the
person making such alternative acquisition proposal or its representatives which was not previously provided or made available to MasTec but in each case referred to in the foregoing clauses (i)&nbsp;and (ii), only if the IEA board determines in
good faith, after consultation with its financial advisors and outside legal counsel, that the failure to take such action would reasonably be expected to be inconsistent with the directors&#146; fiduciary duties under applicable law. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">IEA will promptly (and in any event within 24 hours) advise MasTec orally and in writing of (i)&nbsp;any alternative acquisition proposal,
(ii)&nbsp;any request for <FONT STYLE="white-space:nowrap">non-public</FONT> information relating to IEA or its subsidiaries, other than requests for information not related to, and not reasonably expected to lead to, an alternative acquisition
proposal and (iii)&nbsp;any inquiry or request for discussion or negotiation, or any inquiry or request related to, or that would reasonably be expected to result in or lead to, an alternative acquisition proposal, including in each case the
identity of the person making any such alternative acquisition proposal, inquiry or request and the material terms of any such alternative acquisition proposal, inquiry or request and copies of material communications received by IEA or any of its
representatives from such person or its representatives related thereto and thereafter will keep MasTec informed, on a current basis, of the status and terms of any such proposals or offers and the status of any such discussions or negotiations,
including any material amendments or proposed amendments as to price, proposed financing and other material terms thereof and provide MasTec with copies of all material communications received by IEA or any of its representatives from such person or
its representatives related thereto. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">An &#147;alternative acquisition proposal&#148; means any inquiry, proposal or offer from, or
indication of interest in making a proposal or offer by, any person or group of persons other than MasTec or one of its subsidiaries relating to any transaction or series of related transactions (other than the transactions contemplated by the
merger agreement), involving: (A)&nbsp;a merger, reorganization, consolidation, share exchange, business combination, recapitalization, liquidation, dissolution or similar transaction involving an acquisition of IEA (or any subsidiary or
subsidiaries of IEA whose business (together with its subsidiaries&#146;) constitutes 20% or more of the net revenues, net income or assets of IEA and its subsidiaries, taken as a whole); (B) the acquisition in any manner, directly or indirectly, of
20% or more of the equity securities or consolidated total assets of IEA and its subsidiaries, in each case other than the merger and the other transactions contemplated by the merger agreement; (C)&nbsp;the liquidation, dissolution (or the adoption
of a plan of liquidation or dissolution), or recapitalization or other significant corporate reorganization of IEA or one or more of its subsidiaries which constitutes 20% or more of the net revenues, net income or assets of IEA and its
subsidiaries, taken as a whole; or (D)&nbsp;any combination of the foregoing. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">A &#147;superior proposal&#148; means any bona fide written
alternative acquisition proposal on terms which the IEA board determines in good faith, after consultation with IEA&#146;s outside legal counsel and financial advisors, to be (A)&nbsp;more favorable from a financial point of view to the holders of
shares of IEA common stock than the merger </P>
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and the other transactions contemplated by the merger agreement, taking into account all the terms and conditions of such proposal, and the merger agreement and (B)&nbsp;reasonably capable of
being completed, in each case taking into account all financial, regulatory, legal and other aspects of such proposal, including the identity of the third party making such proposal, and any revisions to the terms of the merger agreement and the
merger proposed by MasTec; provided, that for purposes of the definition of &#147;superior proposal,&#148; the references to &#147;20%&#148; in the definition of alternative acquisition proposal will be deemed to be references to &#147;50%.&#148;
</P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">IEA, including acting through the IEA board, will (A)&nbsp;take all action necessary to duly call, give notice of, convene and hold a
meeting of its stockholders for the purpose of obtaining the IEA stockholders&#146; approval of the merger proposal and (B)&nbsp;subject to certain exceptions, include in the proxy statement the recommendation of the IEA board that the IEA
stockholders vote in favor of the approval of the merger agreement. IEA will use reasonable best efforts to (i)&nbsp;solicit from the holders of shares of IEA common stock proxies in favor of the adoption of the merger agreement and approval of the
merger and (ii)&nbsp;take all other actions necessary or advisable to secure the vote or consent of the holders of shares of IEA common stock required by applicable law to obtain such approval. However, the IEA board may change its recommendation.
See &#147;The Agreements &#150; Transaction Structure &#150; Change of Recommendation of the IEA Board&#148; on page 92 below. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I>Change of
Recommendation by the IEA Board </I></B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Following receipt of a bona fide written alternative acquisition proposal by IEA after the date of
the merger agreement that did not result from a material breach of this clause and that the IEA board determines in good faith, after consultation with its outside legal counsel and financial advisors, constitutes a superior proposal, the IEA board
may, at any time prior to the special meeting, make an adverse recommendation change or terminate the merger agreement to enter into an alternative acquisition agreement with respect to such superior proposal, or authorize, resolve, agree or propose
publicly to take any such action, if all of the following conditions are met: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">(A) IEA has provided to MasTec four business days&#146; prior written notice, which will state expressly
(1)&nbsp;that it has received a written alternative acquisition proposal that constitutes a superior proposal, (2)&nbsp;the material terms and conditions of the alternative acquisition proposal (including the consideration offered therein and the
identity of the person or group making the alternative acquisition proposal) and will have contemporaneously or previously provided an unredacted copy of the alternative acquisition agreement and all other documents (other than immaterial documents)
related to the superior proposal (it being understood and agreed that any amendment to the financial terms or any other material term or condition of such superior proposal will require a new notice and an additional two business day period) and
(3)&nbsp;that, subject to the clause below, the IEA board has determined to make an adverse recommendation change or to terminate the merger agreement in order to enter into the alternative acquisition agreement, as applicable and (B)&nbsp;prior to
making such adverse recommendation change or terminating the merger agreement, as applicable, (x)&nbsp;IEA and its representatives has engaged in good faith with MasTec (to the extent MasTec wishes to engage) during such notice period, to consider
any adjustments proposed by MasTec to the terms and conditions of the merger agreement such that the alternative acquisition agreement ceases to constitute a superior proposal and (y)&nbsp;in determining whether to make an adverse recommendation
change or to effect a termination, the IEA board has taken into account any changes to the terms of the merger agreement proposed by MasTec and any other information provided by MasTec in response to such notice; and </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the IEA board has determined, in good faith, after consultation with its financial advisors and outside legal
counsel, that, in light of such superior proposal and taking into account any revised terms proposed by MasTec, such superior proposal continues to constitute a superior proposal and that the failure to make such adverse recommendation change or to
so terminate the merger agreement, as applicable, would reasonably be expected to be inconsistent with the directors&#146; fiduciary duties under applicable law. </P></TD></TR></TABLE>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Nothing set forth in the merger agreement will prevent IEA or the IEA board from (A)&nbsp;taking and disclosing to its stockholders a position
contemplated by Rule 14e 2(a), Rule 14d 9 or Item 1012(a) of Regulation <FONT STYLE="white-space:nowrap">M-A</FONT> </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">92 </P>

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promulgated under the Exchange Act (or any similar communication to stockholders in connection with the making or amendment of a tender offer or exchange offer) or (B)&nbsp;making any required
disclosure to IEA&#146;s stockholders if, in the good faith judgment of the IEA board, after consultation with outside counsel, failure to disclose such information would reasonably be expected to violate its obligations under applicable law. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I>Employee Benefits </I></B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">During the
period beginning at the effective time and ending on the date that is 12 months following the effective time, or, if shorter, through the termination of employment of the employees who are actively employed by IEA or any of its subsidiaries
immediately prior to the effective time, MasTec will provide each employee of MasTec and its subsidiaries with: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">a base salary or wage rate no less than in effect immediately prior to the effective time; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">annual cash target bonus (other than change in control and retention bonuses) opportunities no less than in
effect immediately prior to the effective time; and </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">employee benefits (excluding defined benefit pension plans, plans providing for retiree medical benefits, plans
that provide equity-based compensation and plans that provide for payments or benefits upon a change in control, nonqualified deferred compensation opportunities and/or retention benefits) that are substantially comparable in the aggregate to the
employee benefits provided IEA or its subsidiaries to its employees as in effect immediately before the effective time. </P></TD></TR></TABLE>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">In addition, during the such period, MasTec will provide each IEA employee with the severance benefits described in the disclosure letter.
</P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">As of and after the effective time, MasTec will, or will cause the surviving corporation to, give IEA employees full credit for purposes
of eligibility and vesting and benefit accruals (but not for purposes of benefit accruals under any defined benefit pension plans and not in respect of any frozen or grandfathered plans), under any employee compensation, incentive and benefit
(including vacation) plans, programs, policies and arrangements maintained for the benefit of IEA employees as of and after the effective time by MasTec, its subsidiaries or the surviving corporation for the IEA employees&#146; service with IEA, its
subsidiaries and their predecessor entities (referred to as a &#147;MasTec plan&#148;) to the same extent recognized by IEA immediately prior to the effective time. With respect to each MasTec plan that is a &#147;welfare benefit plan,&#148; MasTec
and its subsidiaries will use commercially reasonable efforts to (A)&nbsp;cause there to be waived any <FONT STYLE="white-space:nowrap">pre-existing</FONT> condition or eligibility limitations and (B)&nbsp;with respect to the plan year of the
applicable MasTec plan in which the effective time occurs, give effect, in determining any deductible and maximum <FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">out-of-pocket</FONT></FONT> limitations, to claims incurred and
amounts paid by, and amounts reimbursed to, IEA employees under similar plans maintained by IEA and its subsidiaries immediately prior to the effective time for the plan year in which the effective time occurs. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">From and after the effective time, except as otherwise agreed in writing between MasTec and an IEA employee or as otherwise provided in the
merger agreement, MasTec will honor, and will cause its subsidiaries to honor, in accordance with its terms, each IEA plan (subject to any rights to terminate, amend or modify such plans in accordance with their terms in the MasTec&#146;s sole
discretion). </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">If requested by MasTec, IEA will take all actions to provide that (A)&nbsp;the IEA Group Savings Plan will be terminated
effective no later than the day immediately prior to the closing; (B)&nbsp;no new participants will be admitted to the IEA Group Savings Plan on and after the day immediately prior to the closing; (C)&nbsp;all accounts of participants in the IEA
Group Savings Plan will be fully vested and 100% <FONT STYLE="white-space:nowrap">non-forfeitable</FONT> on and after the day immediately prior to the closing; and (D)&nbsp;as soon as reasonably practicable after the day immediately prior to the
closing, the trustee of the IEA Group Savings Plan will distribute the vested account balances to all IEA Group Savings Plan participants in accordance with the terms of the IEA Group Savings Plan. In such event, and to the extent permitted under
the terms of the <FONT STYLE="white-space:nowrap">tax-qualified</FONT> defined contribution plan sponsored by MasTec or an </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">93 </P>

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affiliate and applicable law, MasTec will permit IEA employees to directly roll over their account balances (including any loan promissory notes) under the IEA Group Savings Plan to a <FONT
STYLE="white-space:nowrap">tax-qualified</FONT> defined contribution plan sponsored by MasTec or an affiliate. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Notwithstanding anything
to the contrary contained in the merger agreement, nothing contained in the merger agreement will (A)&nbsp;be treated as an amendment to any IEA plan or MasTec plan; (B)&nbsp;obligate MasTec or the surviving corporation to maintain any particular
benefit plan or arrangement; or (C)&nbsp;prevent MasTec or the surviving corporation from amending or terminating any benefit plan or arrangement. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I>Other Covenants and Agreements </I></B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><I>Special Meeting
</I></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">As promptly as reasonably practicable following the effectiveness of the registration statement to which this proxy
statement/prospectus relates, IEA, including acting through the IEA board, will (A)&nbsp;take all action necessary to duly call, give notice of, convene and hold a meeting of its stockholders for the purpose of obtaining the IEA stockholders&#146;
approval of the merger proposal and (B)&nbsp;subject to certain exceptions, include in the proxy statement the recommendation of the IEA board that the IEA stockholders vote in favor of the approval of the merger agreement. IEA will use reasonable
best efforts to (A)&nbsp;solicit from the holders of shares of IEA common stock proxies in favor of the adoption of the merger agreement and approval of the merger and (B)&nbsp;take all other actions necessary or advisable to secure the vote or
consent of the holders of shares of IEA common stock required by applicable law to obtain such approval. IEA has the right, after good faith consultation with MasTec, to, and will at the request of MasTec, postpone or adjourn the special meeting for
no longer than 20 business days in the aggregate: (A)&nbsp;for the absence of a quorum, or (B)&nbsp;to allow reasonable additional time to solicit additional proxies to the extent that at such time, taking into account the amount of time until the
special meeting, IEA has not received a number of proxies that would reasonably be believed to be sufficient to obtain the IEA stockholders&#146; approval of the merger proposal at the special meeting. If the IEA board makes an adverse
recommendation change, it will not alter the obligation of IEA to submit the adoption of the merger agreement and the approval of the merger to the holders of shares of IEA common stock at the special meeting to consider and vote upon, unless the
merger agreement has been terminated in accordance with its terms prior to the special meeting. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><I>Efforts to Consummate the Transaction </I></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">MasTec and IEA each agreed to use its reasonable best efforts to take, or cause to be taken, all actions and to do, or cause to be done, and
cooperate with each other in order to do, all things necessary, proper or advisable under applicable law to consummate the merger and the other transactions contemplated by the merger agreement at the earliest practicable date, including: </P>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">causing the preparation and filing of all forms, registrations and notices required to be filed to consummate the
merger and using reasonable best efforts to take such actions as are necessary to obtain any requisite consent or expiration of any applicable waiting period under the HSR Act or any other antitrust law; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">using reasonable best efforts to defend all lawsuits and other proceedings by or before any governmental entity
challenging the merger agreement or the consummation of the merger; and </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">using reasonable best efforts to resolve any objection asserted with respect to the transactions contemplated
under the merger agreement under any antitrust law raised by any governmental entity and to prevent the entry of any court order, and to have vacated, lifted, reversed or overturned any injunction, decree, ruling, order or other action of any
governmental entity that would prevent, prohibit, restrict or delay the consummation of the transactions contemplated by the merger agreement. </P></TD></TR></TABLE>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Each of MasTec, Merger Sub and IEA, as applicable, has agreed to prepare and file as promptly as practicable, and in any event by no later
than 10 business days from the date of the merger agreement an </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">94 </P>

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appropriate filing of a notification and report form pursuant to the HSR Act. However, MasTec (A)&nbsp;has the right to determine and direct the strategy and process by which the parties will
seek required approvals under the HSR Act and any antitrust laws; (B)&nbsp;unless otherwise requested by a governmental entity for a specific meeting or communication, will take the lead in all meetings and communications with any governmental
entity; and (C)&nbsp;will determine the appropriate timing of any meetings or communications with any governmental entity (including the timing of the submission of any filing with, or response to any request by, a governmental entity or any action
taken pursuant to this clause). </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The obligations of MasTec under this clause includes committing itself and its affiliates to and, to the
extent requested by MasTec, the obligations of IEA under this clause includes IEA and its subsidiaries: (A)&nbsp;selling, divesting, or otherwise conveying particular assets, categories, portions or parts of assets or businesses of MasTec and its
subsidiaries and affiliates, IEA or its subsidiaries; (B)&nbsp;agreeing to sell, divest, or otherwise convey any particular asset, category, portion or part of an asset or business of IEA and its subsidiaries contemporaneously with or subsequent to
the effective time; (C)&nbsp;after request of MasTec or with MasTec&#146;s prior written consent, permitting IEA to sell, divest, or otherwise convey any of the particular assets, categories, portions or parts of assets or business of IEA or any of
its subsidiaries prior to the effective time; (D)&nbsp;licensing, holding separate or entering into similar arrangements with respect to its respective assets or the assets of IEA or undertaking other structural or conduct relief or behavioral
remedies, including with respect to the conduct of business arrangements or terminating existing relationships and contractual rights and obligations; and (E)&nbsp;agreeing to, if necessary to consummate the transactions contemplated by the merger
agreement, obtain prior approval or other approval from a governmental entity, or submit a notification or otherwise notify any governmental entity, prior to consummating any future transaction (other than the transactions contemplated by the merger
agreement) as a condition to obtaining any and all expirations of waiting periods under the HSR Act or other antitrust laws or consents from any governmental entity necessary to consummate the transactions contemplated hereby. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">However, the merger agreement does not require MasTec or Merger Sub, or any of their respective subsidiaries or affiliates to commit to or
effect any action, effort, or agreement (A)&nbsp;that is not conditioned upon the consummation of the merger or (B)&nbsp;that, when taken together with all other actions, efforts or agreements set forth under this clause would reasonably be expected
to have a material adverse effect on the business, operations, financial condition or results of operations of MasTec and its subsidiaries (including IEA and its subsidiaries), taken as a whole (assuming for purposes of such analysis that MasTec and
its subsidiaries (including IEA and its subsidiaries), taken as a whole, were the same size, with the same financial profile, as IEA and its subsidiaries, taken as a whole). IEA and its subsidiaries will not, prior to the effective time, propose,
negotiate, commit to, effect, or agree to any actions, efforts or agreements pursuant to this clause, except at the request of MasTec or with MasTec&#146;s prior written consent. However, the merger agreement does not require IEA or any of its
subsidiaries to commit to or effect any action, effort, or agreement that is not conditioned upon the consummation of the merger. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><I>Financing </I></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">MasTec has agreed to use reasonable best efforts to take, or cause to be taken, all actions and use reasonable best efforts to do, or cause to
be done, all things necessary or advisable to arrange the debt financing, including: (i)&nbsp;maintain in effect the debt commitment letter and not permit any amendment or modification to be made to, not consent to any waiver of any provision or
remedy under, and not replacing, the debt commitment letter, if such amendment, modification, consent, waiver or replacement: (A)&nbsp;reduces the aggregate amount of the debt financing (including, after giving effect to any &#147;market flex&#148;
provisions, by changing the amount of fees to be paid or original issue discount of the debt financing) to an amount less than the amount (when taken together with MasTec&#146;s cash on hand and any other readily available funds) necessary to pay
the merger consideration and all other amounts required to pursuant to the merger agreement (together with all related fees and expenses required to be paid by MasTec in connection with the transactions contemplated hereby) or (B)&nbsp;imposes new
or additional conditions or otherwise expands, amends or modifies any of the conditions to the receipt of the debt </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">95 </P>

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financing in a manner that would reasonably be expected to (1)&nbsp;materially delay or prevent the closing or (2)&nbsp;make the funding of the debt financing (or satisfaction of the conditions
to obtaining the debt financing) less likely to occur in any material respect. At the reasonable written request of IEA, MasTec will keep IEA reasonably apprised of the status and terms and conditions of any amendments, modifications, waivers or
replacements of the debt commitment letter, and will promptly furnish to IEA copies of any such amendment, modification, waiver or replacement; (ii)&nbsp;satisfy on a timely basis all conditions to the debt financing that are within its control;
(iii)&nbsp;negotiate, execute and deliver definitive debt financing documents that reflect the terms contained in the debt commitment letter (including any &#147;market flex&#148; provisions related thereto), subject to any amendments,
modifications, consents or waivers thereto or replacements thereof permitted by the merger agreement and any changes in terms that would not violate the merger agreement; and (iv)&nbsp;cause the debt financing to be funded in the full amount of the
debt financing at or prior to the closing (including by enforcing its rights under the debt commitment letter). </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Upon the reasonable
request of IEA, MasTec and Merger Sub will (A)&nbsp;keep IEA informed in reasonable detail of the status of its efforts to arrange the debt financing and (B)&nbsp;promptly provide IEA with copies of all executed material amendments, modifications or
replacements of the debt commitment letter or executed material definitive agreements related to any of the debt financing. MasTec and Merger Sub will give IEA prompt notice of any breach or repudiation, or any threatened breach or repudiation, by
any party to the debt commitment letter to which it becomes aware. If such event occurs and is continuing, MasTec will (A)&nbsp;promptly notify IEA of such event and (B)&nbsp;use its reasonable best efforts to obtain alternative financing from
alternative debt financing sources, in an amount sufficient, when taken together with the available portion of the debt financing, MasTec&#146;s cash on hand and any other readily available funds, to pay the merger consideration, and all other
amounts required to be paid pursuant to the merger agreement and consummate the merger and the other transactions contemplated by the merger agreement as promptly as practicable following the occurrence of such event; provided, that in no event will
MasTec or Merger Sub be required to (i)&nbsp;agree to any terms that are, in the sole discretion of MasTec or Merger Sub, as applicable, materially less favorable (taken as a whole) to MasTec or Merger Sub than those set forth in the debt commitment
letter in effect on the date of the merger agreement (after giving effect to any applicable &#147;market flex&#148; provisions) or (ii)&nbsp;pay any fees, original issue discount, interest or other economics, as applicable, or agree to any
prepayment premium or call protection, in each case, in excess of those contemplated by the debt commitment letter (after giving effect to any applicable &#147;market flex&#148; provisions). </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Prior to the effective time, IEA will, and will cause its subsidiaries to, use reasonable best efforts to cause its and their representatives
to, provide customary cooperation and information that is customary and reasonably requested by MasTec in connection with the debt financing, including (A)&nbsp;as promptly as reasonably practicable, furnishing MasTec with the required information
that is compliant and (B)&nbsp;using reasonable best efforts in connection with: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">providing reasonable and customary assistance to MasTec in the preparation of customary offering and marketing
documents (and any supplements thereto) in connection with any debt financing, including designating whether any information provided to MasTec constitutes material <FONT STYLE="white-space:nowrap">non-public</FONT> information;
</P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">furnishing to the applicable debt financing sources customary authorization letters (subject to customary
confidentiality provisions and disclaimers) authorizing the distribution of information and including customary representations; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">reasonably cooperating with customary diligence reasonably requested by MasTec or the applicable debt financing
sources, including participating in a reasonable number of due diligence sessions, and reasonably cooperating with the customary marketing efforts of MasTec, in each case, in connection with any debt financing; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">reasonably cooperating with MasTec&#146;s legal counsels in connection with any legal opinions that such legal
counsels may be required to deliver in connection with any debt financing; </P></TD></TR></TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">96 </P>

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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">assisting in the preparation for and participating (and using commercially reasonable efforts to cause senior
management and representatives of IEA and its subsidiaries to participate) in a reasonable number of lender and investor meetings (including meetings with the parties acting as lead arrangers or agents for, and prospective lenders and investors with
respect to, the debt financing), calls, presentations, road shows, due diligence sessions (including accounting due diligence sessions), drafting sessions, and sessions with rating agencies, in each case, upon reasonable advance notice and at
mutually agreeable locations (which may be virtual) dates and times, and assist MasTec in obtaining ratings (but not any specific rating) as contemplated by the debt financing; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">if (i)&nbsp;required under applicable SEC rules and regulations, in connection with a registered offering of debt
securities as part of the debt financing and (ii)&nbsp;a supplemental indenture has not been executed, then solely with respect to financial information and data derived from IEA&#146;s historical books and records, assisting MasTec with its
preparation of pro forma financial information (including pro forma financial statements) of the type customarily included in offering documents or marketing materials for debt financings similar to the debt financing, it being agreed that IEA will
not be required to provide any information or assistance relating to (x)&nbsp;the proposed aggregate amount of any debt financing, together with assumed interest rates, fees and expenses relating to the incurrence of such debt financing;
(y)&nbsp;any post-closing or pro forma cost savings, synergies, capitalization or ownership desired to be incorporated into any information used in connection with the debt financing; or (z)&nbsp;any financial information related to MasTec or any of
its subsidiaries; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">executing and delivering as of the closing any credit agreements, indentures, guaranty agreements, supplemental
indentures, currency or interest hedging arrangements, other definitive financing documents, or other certificates or documents as may be reasonably requested by MasTec, it being understood that the effectiveness of such documents will be
conditioned upon, or become operative only after, the occurrence of the effective time; and </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">if a supplemental indenture has not been executed, causing IEA&#146;s independent auditors to (A)&nbsp;furnish
customary consents for use of their auditor opinions in any materials related to any debt securities issued in lieu of all or a portion of the debt financing; (B)&nbsp;provide, consistent with customary practice, customary comfort letters (including
&#147;negative assurance&#148; comfort and change period comfort) with respect to financial information relating to IEA and its subsidiaries as reasonably requested by MasTec or as necessary or customary for financings similar to the debt financing
(including any offering or private placement of debt securities pursuant to Rule 144A under the Securities Act in lieu of all or a portion of the debt financing); and (C)&nbsp;attend a reasonable number of accounting due diligence sessions and
drafting sessions; and </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">furnishing MasTec promptly (and in any event at least five business days prior to the closing) with all
documentation and other information reasonably required by regulatory authorities under applicable &#147;know your customer&#148; and anti-money laundering rules and regulations, including without limitation the PATRIOT Act, and the requirements of
31 C.F.R. &#167;1010.230, to the extent reasonably requested by MasTec in writing at least nine business days prior to the closing. </P></TD></TR></TABLE>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">MasTec and Merger Sub have acknowledged and agreed that their obligations to pay all of their payment obligations under the merger agreement
and consummate the closing, including the merger and the other transactions contemplated by the merger agreement, are not conditioned or contingent upon receipt of any debt financing. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">MasTec has agreed to indemnify and hold harmless IEA, its subsidiaries, and its and their representatives from and against any claim, loss,
damage, injury, liability, judgment, award, penalty, fine, reasonable and documented <FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">out-of-pocket</FONT></FONT> cost (including reasonable and documented <FONT
STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">out-of-pocket</FONT></FONT> cost of investigation), reasonable and documented <FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">out-of-pocket</FONT></FONT> expenses
(including reasonable and documented <FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">out-of-pocket</FONT></FONT> fees and expenses of counsel and accountants) or settlement payment incurred as a result of, or in connection with,
such cooperation or the debt financing and any information pertaining to and furnished by IEA or any of its </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">97 </P>

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subsidiaries used in connection therewith, other than those claims, losses, damages, injuries, liabilities, judgments, awards, penalties, fines, costs, expenses and settlement payments arising
out of or resulting from the gross negligence, fraud, bad faith or willful misconduct of IEA, any of its subsidiaries or any of its or their respective representatives as finally determined by a court of competent jurisdiction. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><I>Stockholder Litigation </I></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">IEA will promptly
advise MasTec in writing after becoming aware of any legal action or proceeding commenced, or to IEA&#146;s knowledge, threatened, against IEA or any of its directors by any IEA stockholder (on their own behalf or on behalf of IEA) relating to the
merger agreement or the transactions contemplated by the merger agreement (including the merger and the other transactions contemplated by the merger agreement) and will keep MasTec reasonably informed regarding any such legal action or proceeding.
IEA will (A)&nbsp;give MasTec the opportunity to participate in the defense and settlement of any such stockholder litigation; (B)&nbsp;keep MasTec reasonably apprised on a prompt basis of proposed strategy and other significant decisions with
respect to any such stockholder litigation, and provide MasTec with the opportunity to consult with IEA regarding the defense of any such litigation, which advice IEA will consider in good faith; and (C)&nbsp;not settle any such stockholder
litigation without the prior written consent of MasTec (which consent will not be unreasonably withheld, delayed, or conditioned). </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><I>Rule <FONT
STYLE="white-space:nowrap">16b-3</FONT> Matters </I></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Prior to the closing, IEA and MasTec will, as applicable, take such steps as may be
reasonably necessary or advisable to cause dispositions of IEA equity securities (including derivative securities with respect to such equity securities) and warrants or acquisitions of MasTec common stock pursuant to the transactions contemplated
by the merger agreement by each individual who is a director or officer of IEA to be exempt under <FONT STYLE="white-space:nowrap">Rule&nbsp;16b-3</FONT> promulgated under the Exchange Act. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><I>Stock Exchange Listing of MasTec Common Stock and Stock Exchange Delisting </I></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">MasTec will use reasonable best efforts to cause the shares of MasTec common stock to be issued in connection with the merger to be approved
for listing on the NYSE, subject to official notice of issuance, prior to the closing date. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">To the extent requested by MasTec, prior to
the closing, IEA will cooperate with MasTec and use its reasonable best efforts to take, or cause to be taken, all actions, and do or cause to be done all things, reasonably necessary, proper or advisable on its part under applicable laws and rules
and policies of Nasdaq to enable the delisting by the surviving corporation of the shares of IEA common stock from Nasdaq as promptly as practicable after the effective time and the deregistration of the shares of IEA common stock under the Exchange
Act at the effective time. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><I>Notice of Certain Events </I></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Each of IEA and MasTec will promptly notify the other of (A)&nbsp;any notice or other communication from any person alleging that the consent
of such person is or may be required in connection with the transactions contemplated by the merger agreement; (B)&nbsp;any notice or other communication from any governmental entity in connection with the transactions contemplated by the merger
agreement; and (C)&nbsp;any event, change, or effect between the date of the merger agreement and the effective time which individually or in the aggregate causes or is reasonably likely to cause or constitute: (i)&nbsp;a material breach of any of
its representations, warranties, or covenants contained in the merger agreement, or (ii)&nbsp;the failure of any of the conditions to the merger set forth in the merger agreement to be satisfied (provided, that any failure to give notice in
accordance with the foregoing will not be deemed to constitute a violation of this clause or the failure of any condition to the merger set forth in the merger agreement to be satisfied, or otherwise constitute a breach of the merger agreement by
the party </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">98 </P>

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failing to give such notice, in each case unless the underlying breach would independently result in a failure of any condition to the merger set forth in the merger agreement to be satisfied;
and provided further, that the delivery of any notice pursuant to this clause will not cure any breach of, or noncompliance with, any other provision of the merger agreement or limit the remedies available to the party receiving such notice). </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I>Conditions to Completion of the Merger </I></B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The merger agreement contains customary closing conditions, including the following conditions that apply to the obligations of both IEA and
MasTec to consummate the transactions: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">IEA stockholders&#146; approval of the merger; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">receipt of certain regulatory approvals, including the expiration or termination of the waiting period applicable
to the merger under the HSR Act or under any applicable timing agreements entered into with IEA&#146;s consent with any governmental entity to extend any waiting period and the approval for listing by the NYSE of the MasTec common stock to be issued
in the merger; and </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the absence of certain legal impediments to the consummation of the merger. </P></TD></TR></TABLE>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">In addition to the foregoing conditions, MasTec&#146;s and Merger Sub&#146;s obligations to consummate the merger are subject to the
satisfaction or waiver of the following conditions: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the accuracy of the representations and warranties of IEA (with certain exceptions for inaccuracies that are de
minimis, that are not material or that would not, individually or in the aggregate, reasonably be expected to have a material adverse effect on IEA and its subsidiaries, taken as a whole); </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the performance in all material respects of IEA with its obligations in the merger agreement; and
</P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">there having not been any event, change, occurrence or effect since July&nbsp;24, 2022 that, individually or in
the aggregate, together with all other events, changes, occurrences or effects, has had a material adverse effect on IEA and its subsidiaries, taken as a whole, that is continuing. </P></TD></TR></TABLE>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">In addition to the foregoing conditions, IEA&#146;s obligations to consummate the merger are subject to the satisfaction or waiver of the
following conditions: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the accuracy of the representations and warranties of MasTec and Merger Sub (with certain exceptions for
inaccuracies that are de minimis, that are not material or that, individually or in the aggregate, would not reasonably be expected to have a material adverse effect on MasTec and its subsidiaries, taken as a whole); </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the performance in all material respects of MasTec and Merger Sub with their respective obligations in the merger
agreement; and </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">there having not been any event, change, occurrence or effect since July&nbsp;24, 2022 that, individually or in
the aggregate, together with all other events, changes, occurrences or effects, has had any material adverse effect on MasTec and its subsidiaries, taken as a whole, that is continuing. </P></TD></TR></TABLE>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I>Termination of the Merger Agreement </I></B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The merger agreement may be terminated at any time prior to the effective time: </P>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">by mutual written consent of MasTec and IEA; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">by either MasTec or IEA: </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="10%">&nbsp;</TD>
<TD WIDTH="2%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">if the merger has not been consummated on or before July&nbsp;24, 2023, subject to an automatic extension to
October&nbsp;24, 2023 if the only outstanding unfulfilled conditions relate to HSR approval or certain legal impediments to the consummation of the merger solely by reason of the </P></TD></TR></TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">99 </P>

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<TD WIDTH="13%">&nbsp;</TD>
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">
HSR Act (referred to as the &#147;end date&#148;); provided that the right to terminate the merger agreement under this clause will not be available to a party whose action or failure to perform
or comply with the covenants and agreements of such party set forth in the merger agreement has been the principal cause of the failure of the merger to be consummated by the end date and such action or failure to perform constitutes a material
breach of the merger agreement; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="10%">&nbsp;</TD>
<TD WIDTH="2%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">if any court of competent jurisdiction or other governmental entity has issued a final and <FONT
STYLE="white-space:nowrap">non-appealable</FONT> judgment, order, injunction, rule or decree, or taken any other action restraining, enjoining or otherwise prohibiting any of the transactions contemplated by the merger agreement; provided that the
party seeking to terminate the merger agreement under this clause will, to the extent required under the merger agreement, have used its reasonable best efforts to contest, appeal and remove such judgment, order injunction, rule, decree, ruling or
other action, pursuant to the merger agreement; or </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="10%">&nbsp;</TD>
<TD WIDTH="2%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">if, at the special meeting (including any adjournment or postponement thereof), the IEA stockholders have not
approved the merger proposal; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">by MasTec: </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="10%">&nbsp;</TD>
<TD WIDTH="2%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">if the closing conditions to which each party&#146;s obligations to consummate the merger are subject, or the
closing conditions to which MasTec&#146;s and Merger Sub&#146;s obligations to consummate the merger are subject, cannot be satisfied due to an inaccuracy of IEA&#146;s representations or warranties or IEA&#146;s breach or failure to perform any of
its representations, warranties, covenants or agreements set forth in the merger agreement that would result in the failure of the applicable condition in the merger agreement to be satisfied, which inaccuracy, breach or failure to perform cannot be
cured by the end date or, if it can be, cured by the end date, has not been cured prior to the earlier of 30 days after written notice thereof is given by MasTec to IEA or the end date (referred to as the &#147;IEA breach&#148;); provided that
MasTec will not have the right to terminate the merger agreement under this clause if MasTec or Merger Sub is then in material breach of any of its covenants or agreements set forth in the merger agreement; or </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="10%">&nbsp;</TD>
<TD WIDTH="2%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">prior to the receipt of the IEA stockholders&#146; approval of the merger proposal, if the IEA board
(a)&nbsp;fails to make, withdraws, amends, modifies, or materially qualifies, in a manner adverse to MasTec, the IEA board recommendation; (b)&nbsp;fails to include the IEA board recommendation in the proxy statement that is filed with the SEC or
mailed to IEA stockholders; (c)&nbsp;recommends an alternative acquisition proposal; (d)&nbsp;fails to recommend against acceptance of any tender offer or exchange offer for shares of IEA common stock within 10 business days after the commencement
of such offer; (e)&nbsp;fails to reaffirm (publicly, if so requested by MasTec) the IEA board recommendation within 10 business days after the date any alternative acquisition proposal (or material modification to such proposal) is first publicly
disclosed by IEA or the person making such proposal; or (f)&nbsp;resolves or agrees to take any of the foregoing actions (referred to as the &#147;adverse recommendation change&#148;); </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">by IEA: </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="10%">&nbsp;</TD>
<TD WIDTH="2%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">if the closing conditions to which each party&#146;s obligations to consummate the merger are subject, or the
closing conditions to which IEA&#146;s obligations to consummate the merger are subject, cannot be satisfied due to an inaccuracy of MasTec&#146;s or Merger Sub&#146;s representations or warranties or MasTec&#146;s or Merger Sub&#146;s breach or
failure to perform any of its respective covenants or agreements set forth in the merger agreement that would result in the failure of the applicable condition in the merger agreement to be satisfied, which inaccuracy, breach or failure to perform
cannot be cured by the end date or, if it can be, cured within by the end date, has not been cured , has not been cured prior to the earlier of 30 days after written notice thereof is given by IEA to MasTec or the end date; provided that IEA will
not have the right to terminate the merger agreement under this clause if IEA is then in material breach of any of its covenants or agreements set forth in the merger agreement; or </P></TD></TR></TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">100 </P>

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<TR style = "page-break-inside:avoid">
<TD WIDTH="10%">&nbsp;</TD>
<TD WIDTH="2%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">at any time prior to obtaining the IEA stockholders&#146; approval of the merger proposal, if (a)&nbsp;the IEA
board authorizes IEA to enter into an alternative acquisition agreement with respect to a superior proposal further described in &#147;The Agreements &#150; Transaction Structure &#150; Change of Recommendation by the IEA Board&#148; beginning on
page 92, (b) concurrently with the termination of the merger agreement, IEA enters into an alternative acquisition agreement providing for a superior proposal, subject to the compliance of certain terms of the merger agreement, and (c)&nbsp;prior to
or substantially concurrently with the termination of the merger agreement, IEA pays to MasTec the termination fee described in &#147;The Agreements &#150; Transaction Structure &#150; Termination Fee&#148; beginning on page 101.
</P></TD></TR></TABLE> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I>Termination Fee </I></B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">IEA must pay MasTec a termination fee of $27.5&nbsp;million if: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">MasTec or IEA terminates the merger agreement due to the approval of the IEA stockholders not being obtained at
the special meeting, an alternative acquisition proposal has been communicated to the senior management of IEA or the IEA board or has been publicly disclosed or announced or publicly made known to the IEA stockholders, and not withdrawn prior to
the date that is 5 business days prior to the date of the special meeting, and within twelve months after termination of the merger agreement, IEA has entered into a definitive agreement with respect, or has consummated, an alternative acquisition
proposal. For purposes of this termination fee, references to &#147;20% or more&#148; will be replaced by &#147;more than 50%&#148; in the definition of &#147;acquisition proposal&#148; in the merger agreement; or </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">MasTec terminates the merger agreement due to an IEA breach; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">IEA terminates the merger agreement due to IEA board authorizing IEA to enter into an alternative acquisition
agreement with respect to a superior proposal further described in &#147;The Agreements &#150; Transaction Structure &#150; Termination of the Merger Agreement&#148; beginning on page 99; or </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">MasTec terminates the merger agreement due to the IEA board having effected an adverse recommendation change
prior to the receipt of the IEA stockholders&#146; approval of the merger proposal. </P></TD></TR></TABLE> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I>Miscellaneous Provisions </I></B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><I>Expenses </I></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Other than as described in
&#147;The Agreements &#150; Transaction Structure &#150; Termination Fee&#148; beginning on page 101, whether or not the merger is consummated, all fees and expenses incurred in connection with the merger agreement, the merger and the other
transactions contemplated by the merger agreement will be paid by the party incurring such fees or expenses, whether or not the merger is consummated, except that MasTec will be responsible for all filing fees for the filings required to be made by
IEA and MasTec under the HSR Act. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><I>Amendment </I></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Prior to the effective time, the merger agreement may be amended by written agreement signed by MasTec, IEA and Merger Sub, whether before or
after approval by IEA stockholders. Following the approval by the IEA stockholders, any amendment that requires further stockholder approval under applicable law will require stockholder approval. However, certain customary provisions, including
those regarding amendment, financing transactions, third-party beneficiaries and <FONT STYLE="white-space:nowrap">non-recourse</FONT> may not be amended in a manner that is materially adverse to any debt financing source without the prior written
consent of such debt financing source. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><A NAME="toc338793_55a"></A>Description of the Voting Agreements </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">This section of the proxy statement/prospectus describes certain material terms of the voting agreements entered into by the IEA supporting
stockholders. The following summary is qualified in its entirety by reference </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">101 </P>

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to the complete text of such voting agreements, which is each incorporated by reference and which is each attached to the registration statement to which this proxy statement/prospectus relates
as Annex B, C and D, respectively. We urge you to read the entire voting agreements. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On July&nbsp;24, 2022, in connection with the
execution of the merger agreement, MasTec and the IEA supporting stockholders entered into the voting agreements. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Pursuant to the terms
of the voting agreements, the IEA supporting stockholders, holding approximately 35% of the issued and outstanding shares of IEA common stock as of July&nbsp;24, 2022, agreed to vote (or cause to be voted) all of the shares of IEA common stock
beneficially owned by them, as applicable, as of the applicable record date (A)&nbsp;in favor of the merger, the merger agreement (to the extent required), and the transactions contemplated by the merger agreement and any other actions presented at
any meeting of the IEA stockholders that are necessary to consummate the transactions contemplated by the merger agreement and (B)&nbsp;against any alternative acquisition and any other action or agreement, amendment of IEA&#146;s organization
documents or other action that would reasonably be expected to prevent or materially delay the consummation of the transactions contemplated by the merger agreement, including the merger. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">In the event the IEA board of directors makes an adverse recommendation change in compliance with the merger agreement, the obligations of the
relevant IEA stockholders to vote their shares pursuant to the voting agreements shall be modified such that such stockholders shall only be required to so vote such number of shares as is, together with the shares and any other voting securities
held by any other stockholders that are subject to voting agreements, equal to the number of shares that would in the aggregate represent, as at the time of such vote, 29% of the total voting power of the outstanding shares of IEA. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">In addition, the IEA supporting stockholders agreed not to transfer any IEA common stock held by them prior to the termination of the voting
agreement. This transfer restriction does not apply to (A)&nbsp;in the case of an IEA supporting stockholder that is an individual, transfers to immediate family members for estate planning purposes or upon death; (B)&nbsp;transfers to an affiliate
of such stockholder if such affiliate has executed a counterpart of the voting agreement; (C)&nbsp;certain contracts, agreements, arrangements, mortgages, pledges or encumbrances in connection with bona fide lending transactions or arrangements or
(D)&nbsp;certain transfers after the completion of the special meeting. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Except to the same extent permitted under the merger agreement,
the IEA supporting stockholders and their respective affiliates also agreed not to: (A)&nbsp;solicit, initiate or knowingly encourage any inquiry, proposal or offer with respect to, or the making or completion of, an alternative acquisition proposal
or the making of any proposal that would reasonably be expected to lead to, an alternative acquisition proposal; (B)&nbsp;furnish any nonpublic information regarding IEA and its subsidiaries, or afford access to the business, properties, assets,
employees, consultants, books or records of IEA or any of its subsidiaries to any person that, to the knowledge of the applicable stockholder, is reasonably expected to make, or is otherwise seeking to make, or has made, an alternative acquisition
proposal; or (C)&nbsp;engage or participate in any negotiations or discussions concerning, or knowingly provide or cause to be provided any nonpublic information or data relating to IEA or any of its subsidiaries in connection with an alternative
acquisition proposal. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Each voting agreement terminates upon the first to occur of (A)&nbsp;the effective time, (B)&nbsp;a valid
termination of the merger agreement in accordance with its terms, and (C)&nbsp;any modification, waiver or amendment to any provision of the merger agreement that is effected without the applicable IEA supporting stockholder&#146;s prior written
consent and that (x)&nbsp;reduces the amount or changes the form or type of the merger consideration, reduces, or imposes any conditions, requirements or restrictions on, an IEA supporting stockholder&#146;s right to receive the consideration
payable to such stockholder, or that materially delays the timing of any such payment, in each case, pursuant to the merger agreement as in effect on the date of such voting agreement, or (y)&nbsp;otherwise adversely affects the interests of an IEA
supporting stockholder in any material respect. </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">102 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><A NAME="toc338793_56"></A>DESCRIPTION OF MASTEC COMMON STOCK </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The following summarizes certain material terms and provisions of the MasTec common stock. It does not purport to be complete, however, and is
qualified in its entirety by reference to Florida law and by the actual terms and provisions contained in MasTec&#146;s Amended and Restated Articles of Incorporation and MasTec&#146;s Amended and Restated Bylaws, each as amended to the date hereof.
</P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Overview </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">MasTec&#146;s charter
authorizes its board of directors to issue up to 145,000,000 shares of common stock, par value $0.10 per share. As of September 6, 2022, MasTec had 75,540,930 shares of common stock issued and outstanding. All issued and outstanding shares of MasTec
common stock are duly issued, fully paid and nonassessable. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The following descriptions set forth certain general terms and provisions of
MasTec&#146;s common stock to which a supplement to this prospectus may relate. The particular terms of the shares of common stock being offered and the extent to which the general provisions may apply will be described in the applicable supplement
to this prospectus. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>General Description of MasTec Common Stock </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Each share of MasTec common stock entitles its owner to one vote on all matters submitted to a vote of MasTec&#146;s shareholders. The holders
of MasTec common stock are entitled to receive dividends, when, as and if declared by MasTec&#146;s Board of Directors, in its discretion, from funds legally available for the payment of dividends. If MasTec is liquidated or dissolved, the owners of
MasTec common stock will be entitled to share proportionately in MasTec&#146;s assets, if any, legally available for distribution to shareholders, but only after MasTec has paid all of its debts and liabilities. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">MasTec&#146;s common stock has no preemptive rights, no sinking fund provisions and no subscription, redemption or conversion privileges and
it is not subject to any further calls or assessments by MasTec. MasTec&#146;s common stock does not have cumulative voting rights, which means that the holders of a plurality of the outstanding shares of MasTec common stock voting for the election
of directors can elect all members of MasTec&#146;s Board of Directors eligible for election in any year. Additionally, the vote or concurrence of MasTec shareholders holding a majority in interest of MasTec common stock is sufficient for certain
other actions that require the vote or concurrence of shareholders. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The transfer agent and registrar for MasTec common stock is American
Stock Transfer&nbsp;&amp; Trust Company. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Material Provisions of MasTec&#146;s Articles of Incorporation and Bylaws </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">MasTec&#146;s Amended and Restated Articles of Incorporation and MasTec&#146;s Amended and Restated Bylaws contain material provisions that may
make the acquisition of control of MasTec more difficult. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><I>Business Combinations</I>. MasTec&#146;s Amended and Restated Articles of
Incorporation contain material provisions which may make it more difficult for a person or entity that is the holder of more than 10% of MasTec&#146;s outstanding voting stock to force MasTec to approve a &#147;business combination.&#148; For
purposes of this discussion, a &#147;business combination&#148; includes any: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">merger or consolidation of MasTec with or into another corporation; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">sale or lease of all or any substantial part of MasTec&#146;s property and assets; or </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">issuance of MasTec securities in exchange for sale or lease to MasTec of property and assets having an aggregate
fair market value of $1&nbsp;million or more. </P></TD></TR></TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">103 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">MasTec&#146;s Amended and Restated Articles of Incorporation require at least 80% of the
voting power of all of MasTec&#146;s outstanding shares entitled to vote in the election of directors, voting together as a single class, to vote in favor of a business combination with any person or entity that is directly or indirectly the holder
of more than 10% of MasTec&#146;s outstanding voting stock in order for that transaction to be approved. This voting requirement may have the effect of delaying, deferring or preventing a change in control of MasTec. However, this voting requirement
is not applicable to business combinations if either: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
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<TD WIDTH="5%">&nbsp;</TD>
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<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">MasTec&#146;s Board of Directors has approved a memorandum of understanding with the other corporation with
respect to the transaction prior to the time that the other corporation became a holder of more than 10% of MasTec&#146;s outstanding voting stock; or </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the transaction is proposed by a corporation of which MasTec is the majority owner. </P></TD></TR></TABLE>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><I>Classified Board of Directors and Related Provisions</I>. MasTec&#146;s Amended and Restated Bylaws provide that the number of directors
will be established from time to time by a majority vote of the Board of Directors or MasTec&#146;s shareholders. MasTec&#146;s Amended and Restated Bylaws also provide that its Board of Directors will be divided into three classes of directors,
with each class having a number of directors as nearly equal as possible to each other class and that directors will serve for staggered three-year terms. As a <FONT STYLE="white-space:nowrap">result,&nbsp;one-third&nbsp;of</FONT> the Board of
Directors will be elected each year. These classified board provisions could prevent a party who acquires control of a majority of MasTec&#146;s outstanding voting stock from obtaining control of the Board of Directors until the second annual
shareholders meeting following the date on which the acquirer obtains its controlling interest. Additionally, MasTec&#146;s Board of Directors&#146; Governance Principles include a director majority vote policy. The majority vote policy is
applicable solely to uncontested elections, which are those elections in which the number of nominees for election is less than or equal to the number of directors to be elected. Under the majority vote policy, any nominee for director who receives
more &#147;withheld&#148; votes than &#147;for&#148; votes in an uncontested election must submit a written offer to resign as director. Any such resignation will be reviewed by MasTec&#146;s Nominating and Corporate Governance Committee, and,
within 90 days after the election, the independent members of the Board of Directors will determine whether to accept, reject or take other appropriate action with respect to the resignation in furtherance of the best interests of MasTec and its
shareholders. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">MasTec&#146;s shareholders may remove any of its directors or the entire Board of Directors if the votes in favor of
removal constitute at least a majority of all of our outstanding voting stock entitled to vote. However, MasTec&#146;s Amended and Restated Bylaws also provide that its shareholders may only remove directors for &#147;cause&#148; and only by a vote
at a meeting that is called for the purpose of removing the director or directors. MasTec&#146;s Amended and Restated Bylaws define &#147;cause&#148; as failing to substantially perform one&#146;s duties to MasTec (other than as a result of
incapacity due to physical or mental illness) or willfully engaging in gross misconduct injurious to MasTec. If there is a vacancy on MasTec&#146;s Board of Directors, a majority of either the remaining directors or MasTec&#146;s shareholders may
fill the vacancy. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><I>Shareholder Action By Written Consent</I>. MasTec&#146;s Amended and Restated Bylaws provide that any actions which
its shareholders may take at a shareholders&#146; meeting can be taken by written consent in lieu of a meeting. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">In order to effect a
shareholder action by written consent in lieu of a meeting, holders of MasTec&#146;s outstanding voting stock, having at least the minimum number of votes that would be necessary to authorize the action at a shareholders&#146; meeting, must sign a
written consent which states the action to be taken. If MasTec&#146;s shareholders take any action by written consent in lieu of a meeting, MasTec must notify all of its shareholders that did not consent to the action in writing within 10 days after
receiving the written consent and describe the action to them and whether dissenters&#146; rights are available. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><I>Indemnification</I>.
MasTec&#146;s Amended and Restated Articles of Incorporation and/or Amended and Restated Bylaws provide that MasTec will indemnify each of its directors and officers to the fullest extent permitted by law. MasTec&#146;s Amended and Restated Bylaws
permit MasTec to purchase insurance on behalf of its directors, officers, employees and agents of another corporation, partnership, joint venture, trust or other enterprise, serving </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">104 </P>

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as such at MasTec&#146;s request, against liabilities that they may incur in those capacities, whether or not MasTec would have the power to indemnify them against such liabilities. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Florida Anti-Takeover Statute </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">As a
Florida corporation, MasTec is subject to certain anti-takeover provisions that apply to public corporations under Florida law. Pursuant to Section&nbsp;607.0901 of the Florida Business Corporation Act, or the Florida Act or the FBCA, a publicly
held Florida corporation may not engage in a broad range of business combinations or other extraordinary corporate transactions with an interested shareholder for a period of three years following the time that such shareholder became an interested
shareholder unless (i)&nbsp;prior to the time that such shareholder became an interested shareholder, the board of directors approved the affiliated transaction or the transaction which resulted in the shareholder becoming an interested shareholder,
(ii)&nbsp;upon consummation of the transaction which resulted in the shareholder becoming an interested shareholder, the interested shareholder owned at least 85% of the voting shares of the corporation outstanding at the time the transaction
commenced, excluding for purposes of determining the voting shares outstanding, but not the outstanding voting shares owned by the interested shareholder, those shares owned by persons who are directors and also officers and by employee stock plans
in which employee participants do not have the right to determine confidentially whether shares held subject to the plan will be tendered in a tender or exchange offer or (iii)&nbsp;at or subsequent to the time that such shareholder became an
interested shareholder, the affiliated transaction is approved by the board of directors and authorized at an annual or special meeting of shareholders, and not by written consent, by the affirmative vote of at
<FONT STYLE="white-space:nowrap">least&nbsp;two-thirds&nbsp;of</FONT> the voting shares of the corporation (excluding shares held by the interested shareholder), unless: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the transaction is approved by a majority of disinterested directors; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the corporation has not had more than 300 shareholders of record at any time during the three years preceding the
announcement date of any such business combination; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the interested shareholder has beneficially owned at least 80% of the corporation&#146;s outstanding voting
shares for at least three years, preceding the announcement date of any such business combination; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the interested shareholder is the beneficial owner of at least 90% of the outstanding voting shares of the
corporation, exclusive of shares acquired directly from the corporation in a transaction not approved by a majority of the disinterested directors; or </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the consideration paid to the holders of the corporation&#146;s voting stock is at least equal to certain fair
price criteria and certain other requirements are satisfied. </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">An interested shareholder is defined as, subject to certain exceptions, a person who together with affiliates and
associates beneficially owns more than 15%, of a corporation&#146;s outstanding voting shares. We have not made an election in our Amended and Restated Articles of Incorporation to opt out of Section&nbsp;607.0901. </P></TD></TR></TABLE>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">In addition, MasTec is subject to Section&nbsp;607.0902 of the Florida Act, which prohibits the voting of shares in a publicly held Florida
corporation that are acquired in a control share acquisition unless, among other exceptions, (A)&nbsp;the Board of Directors approved such acquisition prior to its consummation or (B)&nbsp;after such acquisition, in lieu of prior approval by the
Board of Directors, the holders of a majority of the corporation&#146;s voting shares, exclusive of shares owned by officers of the corporation, employee directors or the acquiring party, approve the granting of voting rights as to the shares
acquired in the control share acquisition. A control share acquisition is defined as an acquisition that immediately thereafter entitles the acquiring party to 20% or more of the total voting power in an election of directors. </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">105 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><A NAME="toc338793_57"></A>COMPARISON OF RIGHTS OF THE MASTEC SHAREHOLDERS AND THE IEA
STOCKHOLDERS </B></P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The rights of the holders of MasTec common stock are governed by MasTec&#146;s current articles of incorporation and
bylaws, as well as the FBCA. The rights of the IEA stockholders are governed by IEA&#146;s current certificate of incorporation and bylaws, as well as the DGCL. Upon closing of the transaction, the rights of the IEA stockholders will be governed by
MasTec&#146;s articles of incorporation and bylaws, as well as the FBCA. See &#147;Description of MasTec Common Stock&#148; for more information about the FBCA. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The following is a summary discussion of the material differences, as of the date of this document, between the rights of the holders of
MasTec&#146;s common stock and the rights of the IEA stockholders. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The following description does not purport to be a complete statement
of all the differences, or a complete description of the specific provisions referred to in this summary. The identification of specific differences is not intended to indicate that other equally or more significant differences do not exist.
Shareholders should read carefully the relevant provisions of the FBCA, the current articles of incorporation and bylaws of MasTec, the DGCL, and the current certificate of incorporation and bylaws of IEA. MasTec and IEA have filed with the SEC
their respective governing documents referenced in this summary of shareholder rights and will send copies to you without charge, upon your request. See &#147;Where You Can Find More Information&#148; beginning on page 115. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman"><B>Capitalization </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman"><B></B><B><I>MasTec</I></B><B> </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">MasTec&#146;s authorized capital stock consists of 145,000,000 shares of common stock, par value $0.10 per share and 5,000,000 shares of
preferred stock, par value $1.00 per share. As of September 6, 2022, MasTec had 75,540,930 shares of common stock outstanding and no shares of preferred stock outstanding. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman"><B></B><B><I>IEA</I></B><B> </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">IEA&#146;s authorized capital stock consists of 150,000,000 shares of common stock and 1,000,000 shares of preferred stock, par value $0.0001
per share. As of the record date, there were 48,644,324 shares of common stock outstanding and no shares of preferred stock outstanding. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman"><B>Voting </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman"><B></B><B><I>MasTec</I></B><B> </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Each holder of MasTec common stock is entitled to one vote per share. The holders of MasTec common stock entitled to vote will vote together as
a single class on all matters presented to MasTec&#146;s shareholders for their vote or approval, including the election of directors, except as otherwise required by the FBCA. There is no cumulative voting in the election of directors at MasTec.
</P> <P STYLE="margin-top:18pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman"><B></B><B><I>IEA</I></B><B> </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Holders of IEA common stock are entitled to one vote for each share held on all matters to be voted on by stockholders. Unless specified by
IEA&#146;s Second Amended and Restated Certificate of Incorporation or Amended and Restated Bylaws, or as required by applicable provisions of the DGCL or applicable stock exchange rules, the affirmative vote of a majority of IEA&#146;s shares of
common stock that are voted is required to approve any such matter voted on by IEA&#146;s stockholders. IEA&#146;s board of directors is divided into three classes, each of which will serve for a term of three years with only one class of directors
being elected in each year. There is no cumulative voting with respect to the election of directors. </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">106 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman"><B>Conversion </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman"><B></B><B><I>MasTec</I></B><B> </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Shares of MasTec common stock are not convertible into any other securities of MasTec. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman"><B></B><B><I>IEA</I></B><B> </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Shares of IEA common stock are not convertible into any other securities of IEA. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman"><B>Dividends </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman"><B></B><B><I>MasTec</I></B><B> </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The holders of MasTec common stock are entitled to receive dividends, when, as and if declared by MasTec&#146;s Board of Directors, in its
discretion, from funds legally available for the payment of dividends. All holders of MasTec common stock shall have identical rights to receive any dividends or distributions, and no dividends or distributions shall be paid on any shares of MasTec
common stock unless the same is paid on all shares of MasTec common stock. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman"><B></B><B><I>IEA</I></B><B> </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The holders of IEA common stock are entitled to receive ratable dividends when, as and if declared by the board of directors out of funds
legally available therefor and subject to the provisions of the Series&nbsp;A Preferred Stock and each series of Series&nbsp;B Preferred Stock. The Series A Preferred Stock and Series B Preferred Stock rank senior to the common stock with respect to
dividends and distributions. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman"><B>Number of Directors; Classified Board; Vacancies </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman"><B></B><B><I>MasTec</I></B><B> </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">MasTec&#146;s Amended and Restated Bylaws provide that the number of directors will be established from time to time by a majority vote of the
Board of Directors or MasTec&#146;s shareholders. MasTec&#146;s Amended and Restated Bylaws also provide that its Board of Directors will be divided into three classes of directors, with each class having a number of directors as nearly equal as
possible to each other class and that directors will serve for staggered three-year terms. As a <FONT STYLE="white-space:nowrap">result,&nbsp;one-third&nbsp;of</FONT> the Board of Directors will be elected each year. These classified board
provisions could prevent a party who acquires control of a majority of MasTec&#146;s outstanding voting stock from obtaining control of the Board of Directors until the second annual shareholders meeting following the date on which the acquirer
obtains its controlling interest. Additionally, MasTec&#146;s Board of Directors&#146; Governance Principles include a director majority vote policy. The majority vote policy is applicable solely to uncontested elections, which are those elections
in which the number of nominees for election is less than or equal to the number of directors to be elected. Under the majority vote policy, any nominee for director who receives more &#147;withheld&#148; votes than &#147;for&#148; votes in an
uncontested election must submit a written offer to resign as director. Any such resignation will be reviewed by MasTec&#146;s Nominating and Corporate Governance Committee, and, within 90 days after the election, the independent members of the
Board of Directors will determine whether to accept, reject or take other appropriate action with respect to the resignation in furtherance of the best interests of MasTec and its shareholders. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">MasTec&#146;s shareholders may remove any of its directors or the entire Board of Directors if the votes in favor of removal constitute at
least a majority of all of our outstanding voting stock entitled to vote. However, MasTec&#146;s Amended and Restated Bylaws also provide that its shareholders may only remove directors for &#147;cause&#148; and only by a vote at a meeting that is
called for the purpose of removing the director or directors. MasTec&#146;s Amended and Restated Bylaws define &#147;cause&#148; as failing to substantially perform one&#146;s duties to MasTec (other than as a result of incapacity due to physical or
mental illness) or willfully engaging in gross misconduct injurious to MasTec. If there is a vacancy on MasTec&#146;s Board of Directors, a majority of either the remaining directors or MasTec&#146;s shareholders may fill the vacancy. </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">107 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman"><B></B><B><I>IEA</I></B><B> </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">IEA&#146;s Second Amended and Restated Certificate of Incorporation provides that the number of directors will be established from time to time
by a majority vote of the board of directors. The Second Amended and Restated Certificate of Incorporation also provides that IEA&#146;s board of directors is classified into three classes of directors. The members of each class serve for a
three-year term. The terms are staggered, so that each year the term of only one of the classes expires. Staggering directors&#146; terms makes it more difficult for a potential acquirer to seize control of IEA through a proxy contest, even if the
acquirer controls a majority of IEA stock, because only <FONT STYLE="white-space:nowrap">one-third</FONT> of the directors stands for election in any one year. In addition, IEA&#146;s Second Amended and Restated Certificate of Incorporation does not
provide for cumulative voting in the election of directors. Subject to the terms of the Third Amended and Restated Investor Rights Agreement, IEA&#146;s board of directors is empowered to elect a director to fill a vacancy created by the expansion
of the board of directors or the resignation, death, or removal of a director in certain circumstances. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman"><B>Choice of Forum </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman"><B></B><B><I>MasTec</I></B><B> </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">MasTec&#146;s organizational documents do not place restrictions on the forum in which certain actions may be brought. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman"><B></B><B><I>IEA</I></B><B> </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">IEA&#146;s organizational documents do not place restrictions on the forum in which certain actions may be brought. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman"><B>Business Combinations </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman"><B></B><B><I>MasTec</I></B><B> </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B><I>Business Combinations</I></B>. MasTec&#146;s Amended and Restated Articles of Incorporation contain material provisions which may make it
more difficult for a person or entity that is the holder of more than 10% of MasTec&#146;s outstanding voting stock to force MasTec to approve a &#147;business combination.&#148; For purposes of this discussion, a &#147;business combination&#148;
includes any: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">merger or consolidation of MasTec with or into another corporation; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">sale or lease of all or any substantial part of MasTec&#146;s property and assets; or </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">issuance of MasTec securities in exchange for sale or lease to MasTec of property and assets having an aggregate
fair market value of $1&nbsp;million or more. </P></TD></TR></TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">MasTec&#146;s Amended and Restated Articles of Incorporation require at
least 80% of the voting power of all of MasTec&#146;s outstanding shares entitled to vote in the election of directors, voting together as a single class, to vote in favor of a business combination with any person or entity that is directly or
indirectly the holder of more than 10% of MasTec&#146;s outstanding voting stock in order for that transaction to be approved. This voting requirement may have the effect of delaying, deferring or preventing a change in control of MasTec. However,
this voting requirement is not applicable to business combinations if either: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">MasTec&#146;s Board of Directors has approved a memorandum of understanding with the other corporation with
respect to the transaction prior to the time that the other corporation became a holder of more than 10% of MasTec&#146;s outstanding voting stock; or </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the transaction is proposed by a corporation of which MasTec is the majority owner. </P></TD></TR></TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">108 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman"><B></B><B><I>IEA</I></B><B> </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B><I>Business Combinations</I></B>. IEA has elected not to be governed by Section&nbsp;203 of the DGCL, and is therefore not subject to the
prohibitions of Section&nbsp;203 of the DGCL. IEA&#146;s Third Amended and Restated Certificate of Incorporation provides certain restrictions on business combinations of IEA with interested stockholders. For purposes of this discussion, a
&#147;business combination&#148; includes any: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">merger or consolidation of IEA with any interested stockholder of IEA (an owner of 15% or more of the outstanding
voting stock of IEA) or with any other entity if the other entity if the merger or consolidation is caused by such interested stockholder; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">sale, lease, mortgage, exchange, pledge, transfer or other disposition, except proportionately as a stockholder,
to or with an interested stockholder of assets with an aggregate value of over 10% of either the assets of IEA or outstanding stock of IEA; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">a transaction which results in the issuance or transfer by IEA of any stock of IEA to an interested stockholder,
except (A)&nbsp;pursuant to the exchange or conversion of securities exercisable or convertible for stock of IEA which were outstanding prior to the time the interested stockholder became such; (B)&nbsp;pursuant to a merger under Section&nbsp;251(g)
of the DGCL; (C)&nbsp;pursuant to a dividend or distribution or the exercise or conversion of securities exercisable or convertible into stock of IEA pro rata to all holders of a class or series of IEA stock after the time such interested
stockholder became such; (D)&nbsp;pursuant to an exchange offer made by IEA to purchase stock made on the same terms to all holders of said stock; or (E)&nbsp;any issuance or transfer of stock by IEA, provided that in no case shall there be an
increase in the interested stockholder&#146;s proportionate share of stock of any class or series of IEA or the voting stock of IEA; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">any transaction involving IEA which increases the proportionate share of stock of any class or series, or
securities convertible into any class or series, of IEA owned by an interested stockholder; or </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">any receipt by an interested stockholder of the benefit of any loans, advances, guarantees, pledges or other
financial benefits provided by or through IEA. </P></TD></TR></TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">IEA&#146;s Third Amended and Restated Certificate of Incorporation
prohibits IEA from engaging in any business combination, at any point in time when IEA&#146;s common stock is registered under Section&nbsp;12(b) or Section&nbsp;12(g) of the Exchange Act, with any interested stockholder for a period of three years
following the time when such stockholder became an interested stockholder, unless: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">prior to such time, the board of directors approved either the business combination or the transaction which
resulted in the stockholder becoming an interested stockholder; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">upon consummation of the transaction which resulted in the stockholder becoming an interested stockholder, the
interested stockholder owned at least 85% of the voting stock of IEA outstanding at the time the transaction commenced, excluding shares owned by (A)&nbsp;persons who are directors and also officers or (B)&nbsp;employee stock plans in which employee
participants do not have the right to determine confidentially whether shares held subject to the plan will be tendered in a tender or exchange offer; or </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">at or subsequent to such time, the business combination is approved by the board of directors and authorized at
an annual or special meeting of the IEA stockholders, and not by written consent, by the affirmative vote of 66 2/3% of the outstanding voting stock of IEA which is not owned by the interested stockholder. </P></TD></TR></TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">109 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><A NAME="toc338793_58"></A>FUTURE STOCKHOLDER PROPOSALS </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">If the merger is completed, IEA will have no public stockholders and there will be no public participation in any future meetings of IEA
stockholders. However, if the merger is not consummated, IEA stockholders will continue to be entitled to attend and participate in IEA stockholders&#146; meetings. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">As described in IEA&#146;s annual proxy statement for the 2022 annual meeting of stockholders filed on March&nbsp;23, 2022, IEA stockholders
have the opportunity to submit proper proposals for inclusion in IEA&#146;s proxy statement and for consideration at the annual meeting of stockholders to be held in 2023 (referred to as the &#147;2023 annual meeting&#148;). To be eligible for
inclusion in the proxy statement for the 2023 annual meeting, stockholder proposals must be received by IEA&#146;s Corporate Secretary no later than the close of business on November&nbsp;26, 2022. However, if the date of the 2023 annual meeting has
changed by more than 30 days from the one year anniversary of the 2022 annual meeting, then stockholder proposals must be received a reasonable time before IEA begins to print and send its proxy materials for the 2023 annual meeting. Proposals
should be sent to Infrastructure and Energy Alternatives, Inc., Attn: Corporate Secretary, 6325 Digital Way, Suite 460, Indianapolis, Indiana 46278 and follow the procedures required by Rule <FONT STYLE="white-space:nowrap">14a-8</FONT> of the
Exchange Act. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Under the By Laws, written notice of stockholder nominations to the Board of Directors and any other business proposed by a
stockholder that is not to be included in IEA&#146;s proxy statement must be delivered to IEA&#146;s Corporate Secretary not less than 120 nor more than 90 days prior to the anniversary of the preceding year&#146;s annual meeting. Accordingly, any
stockholder who wishes to have a nomination or other business considered at the 2023 annual meeting must deliver a written notice (containing the information specified in the By Laws regarding the stockholder, the nominee and the proposed action, as
appropriate) to IEA&#146;s Corporate Secretary between January&nbsp;5, 2023 and February&nbsp;4, 2023. However, if the date of the 2023 annual meeting is more than 45 days before or after the first anniversary of the 2022 annual meeting, any
stockholder who wishes to have a nomination or other business considered at the 2023 annual meeting must deliver written notice (containing the information specified in the By Laws regarding the stockholder, the nominee and the proposed action, as
appropriate) to IEA&#146;s Corporate Secretary not earlier than 120 days prior to such annual meeting and not later than the later of the 90th day prior to such annual meeting or the 10th day following the public announcement of such annual meeting.
SEC rules permit management to vote proxies in its discretion with respect to such matters if IEA advises stockholders how management intends to vote. A nomination or other proposal will be disregarded if it does not comply with the above procedure
and any additional requirements set forth in the By Laws. Please note that these requirements are separate from the SEC&#146;s requirements to have your proposal included in IEA&#146;s proxy materials. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">In addition to satisfying the foregoing advance notice requirements under the By Laws, to comply with the universal proxy rules under the
Exchange Act, stockholders who intend to solicit proxies in support of director nominees other than IEA&#146;s nominees for the 2023 annual meeting must provide notice that sets forth the information required by Rule
<FONT STYLE="white-space:nowrap">14a-19</FONT> under the Exchange Act no later than March&nbsp;6, 2023. However, if the date of the 2023 annual meeting of Stockholders is more than 30 calendar days before or more than 30 calendar days after the
anniversary date of the 2022 annual meeting, such information must be provided by the later of the 60th&nbsp;day prior to such annual meeting and the 10th day following the public announcement of the date of such meeting. </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">110 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><A NAME="toc338793_59"></A>LEGAL MATTERS </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The validity of the shares of MasTec common stock to be issued pursuant to this transaction will be passed upon for MasTec by
Holland&nbsp;&amp; Knight LLP. </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">111 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><A NAME="toc338793_60"></A>EXPERTS </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The consolidated financial statements of Infrastructure and Energy Alternatives, Inc. as of December&nbsp;31, 2021 and 2020, and for each of
the three years in the period ended December&nbsp;31, 2021, incorporated by reference in this Registration Statement, and the effectiveness of Infrastructure and Energy Alternatives, Inc.&#146;s internal control over financial reporting have been
audited by Deloitte&nbsp;&amp; Touche LLP, an independent registered public accounting firm, as stated in their report. Such consolidated financial statements are incorporated by reference in reliance upon the report of such firm given their
authority as experts in accounting and auditing. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The consolidated financial statements and schedule as of December&nbsp;31, 2021 and 2020 and for each of the three years in the period ended
December&nbsp;31, 2021 and management&#146;s assessment of the effectiveness of internal control over financial reporting as of December&nbsp;31, 2021 incorporated by reference in this Proxy Statement/Prospectus and in the Registration Statement
have been so incorporated in reliance on the reports of BDO USA, LLP, an independent registered public accounting firm, incorporated herein by reference, given on the authority of said firm as experts in auditing and accounting. </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">112 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><A NAME="toc338793_61"></A>INCORPORATION OF CERTAIN DOCUMENTS BY REFERENCE </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The SEC allows MasTec and IEA to incorporate certain information into this document by reference to other information that has been filed with
the SEC. The information incorporated by reference is deemed to be part of this document, except as set forth below. The documents that are incorporated by reference contain important information about MasTec and IEA, and you should read this
document together with any other documents incorporated by reference in this document. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">This document incorporates by reference the
following documents that have previously been filed with the SEC by MasTec (File <FONT STYLE="white-space:nowrap">No.&nbsp;001-08106):</FONT> </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">MasTec&#146;s Annual Report on <A HREF="http://www.sec.gov/Archives/edgar/data/../../../ix?doc=/Archives/edgar/data/15615/000001561522000011/mtz-20211231.htm">Form
 <FONT STYLE="white-space:nowrap">10-K</FONT></A> for the fiscal year ended December&nbsp;31, 2021, filed with the SEC on March&nbsp;1, 2022; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">MasTec&#146;s <A HREF="http://www.sec.gov/Archives/edgar/data/15615/000114036122013369/ny20002511x1_def14a.htm">Definitive
 Proxy Statement</A> for its 2022 Annual Meeting of Shareholders filed with the SEC on April&nbsp;6, 2022; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">MasTec&#146;s Quarterly Reports on Form <FONT STYLE="white-space:nowrap">10-Q</FONT> for the fiscal quarters
ended March&nbsp;31, 2022 and June&nbsp;30, 2022, filed with the SEC on <A HREF="http://www.sec.gov/Archives/edgar/data/../../../ix?doc=/Archives/edgar/data/15615/000001561522000017/mtz-20220331.htm">May&nbsp;
9, 2022</A> and <A HREF="http://www.sec.gov/Archives/edgar/data/../../../ix?doc=/Archives/edgar/data/15615/000001561522000021/mtz-20220630.htm">August&nbsp;4, 2022</A>, respectively; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">MasTec&#146;s Current Reports on Form <FONT STYLE="white-space:nowrap">8-K</FONT> filed with the SEC on <A HREF="http://www.sec.gov/Archives/edgar/data/../../../ix?doc=/Archives/edgar/data/15615/000119312522090038/d309685d8k.htm">March&nbsp;30,
 2022</A>, <A HREF="http://www.sec.gov/Archives/edgar/data/../../../ix?doc=/Archives/edgar/data/15615/000114036122020122/brhc10037863_8k.htm">May&nbsp;
23, 2022</A>, <A HREF="http://www.sec.gov/Archives/edgar/data/../../../ix?doc=/Archives/edgar/data/15615/000119312522200412/d378933d8k.htm">July&nbsp;
25, 2022</A>, <A HREF="http://www.sec.gov/Archives/edgar/data/../../../ix?doc=/Archives/edgar/data/15615/000119312522214995/d319595d8k.htm">August&nbsp;
8, 2022</A>, <A HREF="http://www.sec.gov/Archives/edgar/data/../../../ix?doc=/Archives/edgar/data/15615/000119312522225947/d409086d8k.htm">August 22, 2022</A>, <A HREF="http://www.sec.gov/Archives/edgar/data/../../../ix?doc=/Archives/edgar/data/15615/000119312522229150/d310135d8k.htm">August
 25, 2022</A>, <A HREF="http://www.sec.gov/Archives/edgar/data/../../../ix?doc=/Archives/edgar/data/15615/000119312522236556/d370427d8k.htm">September 1, 2022</A>, <A HREF="http://www.sec.gov/Archives/edgar/data/../../../ix?doc=/Archives/edgar/data/15615/000119312522236986/d330666d8k.htm">September
 2, 2022</A> and <A HREF="http://www.sec.gov/Archives/edgar/data/../../../ix?doc=/Archives/edgar/data/15615/000119312522238354/d382431d8k.htm">September 6, 2022</A>; and </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the description of MasTec&#146;s common stock contained in <A HREF="http://www.sec.gov/Archives/edgar/data/15615/0000950170-97-000109.txt">Form
 <FONT STYLE="white-space:nowrap">8-A</FONT></A> filed with the SEC on February&nbsp;10, 1997 <FONT STYLE="white-space:nowrap">(File&nbsp;No.&nbsp;001-08106)&nbsp;and</FONT> any amendments to such Registration Statement filed subsequently thereto,
including all amendments or reports filed for the purpose of updating such description. </P></TD></TR></TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">This document also incorporates
by reference the following documents that have previously been filed with the SEC by IEA (File <FONT STYLE="white-space:nowrap">No.&nbsp;001-37796):</FONT> </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">IEA&#146;s Annual Report on <A HREF="http://www.sec.gov/Archives/edgar/data/../../../ix?doc=/Archives/edgar/data/1652362/000165236222000020/iea-20211231.htm">Form
 <FONT STYLE="white-space:nowrap">10-K</FONT></A> for the fiscal year ended December&nbsp;31, 2021, filed with the SEC on March&nbsp;7, 2022; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">IEA&#146;s <A HREF="http://www.sec.gov/Archives/edgar/data/1652362/000165236222000055/a2021annualproxyfinal.htm">Definitive
 Proxy Statement</A> for its 2022 Annual Meeting of Stockholders filed with the SEC on March&nbsp;23, 2022; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">IEA&#146;s Quarterly Reports on Form <FONT STYLE="white-space:nowrap">10-Q</FONT> for the fiscal quarters ended
March&nbsp;31, 2022 and June&nbsp;30, 2022, filed with the SEC on <A HREF="http://www.sec.gov/Archives/edgar/data/../../../ix?doc=/Archives/edgar/data/1652362/000165236222000082/iea-20220331.htm">May&nbsp;
9, 2022</A> and <A HREF="http://www.sec.gov/Archives/edgar/data/../../../ix?doc=/Archives/edgar/data/1652362/000165236222000109/iea-20220630.htm">August&nbsp;4, 2022</A>, respectively; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">IEA&#146;s Current Reports on Form <FONT STYLE="white-space:nowrap">8-K</FONT> filed with the SEC on <A HREF="http://www.sec.gov/Archives/edgar/data/../../../ix?doc=/Archives/edgar/data/1652362/000165236222000083/iea8k-20220509.htm">May&nbsp;9,
 2022</A> and <A HREF="http://www.sec.gov/Archives/edgar/data/../../../ix?doc=/Archives/edgar/data/1652362/000110465922082260/tm2221705d1_8k.htm">July&nbsp;25, 2022</A>; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the description of IEA&#146;s capital stock contained in <A HREF="http://www.sec.gov/Archives/edgar/data/1652362/000165236222000020/descriptionofregisteredsec.htm">Exhibit
 4.1</A> of IEA&#146;s Annual Report on Form <FONT STYLE="white-space:nowrap">10-K</FONT> for the fiscal year ended December&nbsp;31, 2021, filed with the SEC on March&nbsp;7, 2022; and </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the description of IEA&#146;s warrants contained in IEA&#146;s Current Reports on Form <FONT
STYLE="white-space:nowrap">8-K</FONT> filed with the SEC on <A HREF="http://www.sec.gov/Archives/edgar/data/1652362/000110465918021312/a18-9134_18k.htm">March&nbsp;
26, 2018</A> and <A HREF="http://www.sec.gov/Archives/edgar/data/../../../ix?doc=/Archives/edgar/data/1652362/000165236221000166/iea8k-20210802.htm">August&nbsp;2, 2021</A> and IEA&#146;s Prospectus Supplement No.&nbsp;
2 filed with the SEC on <A HREF="http://www.sec.gov/Archives/edgar/data/1652362/000165236220000013/a424bprospectussupplementn.htm">March&nbsp;4, 2020</A>. </P></TD></TR></TABLE>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">In addition, each of MasTec and IEA is incorporating by reference any documents it may file under Section&nbsp;13(a), 13(c), 14 or 15(d) of
the Exchange Act after the date of this proxy statement/prospectus and prior to the date of the special meeting, provided, however, that neither MasTec nor IEA is incorporating by reference any information furnished under Item 2.02 or Item 7.01 of
Form <FONT STYLE="white-space:nowrap">8-K,</FONT> except as otherwise specified herein. Any statement contained herein or in a document incorporated or deemed to be incorporated herein by reference will be deemed to be modified or superseded for the
purposes of this proxy statement/prospectus to the extent that a statement contained in any subsequently filed document which is or is deemed to be incorporated by reference herein modifies or supersedes such statement. Any such statement so
modified or superseded will not be deemed, except as so modified or superseded, to constitute a part of this proxy statement/prospectus. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Each of MasTec and IEA files annual, quarterly and current reports, proxy statements and other information with the SEC. You may obtain the
information incorporated by reference and any other materials MasTec and </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">113 </P>

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<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">
IEA files with the SEC without charge by following the instructions in the section entitled &#147;Where You Can Find More Information&#148; on page 115 of this document. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Neither MasTec nor IEA has authorized anyone to give any information or make any representation about the transaction that is different from,
or in addition to, that contained in this proxy statement/prospectus or in any of the materials that have been incorporated by reference into this document. Therefore, if anyone does give you information of this sort, you should not rely on it. If
you are in a jurisdiction where offers to exchange or sell, or solicitations of offers to exchange or purchase, the securities offered by this proxy statement/prospectus or the solicitation of proxies is unlawful, or if you are a person to whom it
is unlawful to direct these types of activities, then the offer presented in this proxy statement/prospectus does not extend to you. The information contained in this document speaks only as of the date of this proxy statement/prospectus unless the
information specifically indicates that another date applies. </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">114 </P>

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<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
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<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><A NAME="toc338793_62"></A>WHERE YOU CAN FIND MORE INFORMATION </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">MasTec and IEA file annual, quarterly and current reports, proxy statements and other information with the SEC. You may read and copy these
documents at the SEC&#146;s Public Reference Room at 100 F Street, N.E., Washington, D.C. 20549. Please call the SEC at
<FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">1-800-SEC-0330</FONT></FONT></FONT> for further information on the operation of the Public Reference Room. MasTec&#146;s SEC filings are also
available over the Internet at the SEC&#146;s website at http://www.sec.gov. You can also obtain these documents either on MasTec&#146;s website at <FONT STYLE="white-space:nowrap">https://investors.mastec.com/financial-reporting/sec-filings</FONT>
in the &#147;Investors&#148; section or on IEA&#146;s website at <FONT STYLE="white-space:nowrap">https://ir.iea.net/sec-filings</FONT> in the &#147;Investors&#148; section. By referring to each of MasTec&#146;s and IEA&#146;s websites and the
SEC&#146;s website, neither MasTec nor IEA incorporates any such website or its contents into this proxy statement/prospectus. The shares of MasTec common stock are listed on the NYSE under the trading symbol &#147;MTZ.&#148; The shares of IEA
common stock are listed on the Nasdaq under the trading symbol &#147;IEA.&#148; </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">IEA has engaged D.F. King&nbsp;&amp; Co., Inc. as its
proxy solicitor in connection with its special meeting. Any questions about the merger, requests for additional copies of documents or assistance voting your IEA common stock may be directed to D.F. King&nbsp;&amp; Co., Inc. at IEA@dfking.com or by
telephone at (866) <FONT STYLE="white-space:nowrap">796-3441.</FONT> </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">115 </P>

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<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="right"><B><A NAME="annxacov"></A>ANNEX A </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="right"><B><I>EXECUTION VERSION </I></B></P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center>
<P STYLE="line-height:3.5pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000">&nbsp;</P></center> <P STYLE="margin-top:24pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>AGREEMENT AND PLAN OF
MERGER </B></P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">among </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>MASTEC,&nbsp;INC. </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>INDIGO ACQUISITION I CORP. </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">and </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>INFRASTRUCTURE AND ENERGY
ALTERNATIVES,&nbsp;INC. </B></P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">Dated as of July&nbsp;24, 2022 </P>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center> <P STYLE="line-height:3.5pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000">&nbsp;</P></center>
</DIV></Center>


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<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>


<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>TABLE OF CONTENTS </B></P>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">


<TR>

<TD WIDTH="13%"></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="80%"></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000">Page</TD>
<TD VALIGN="bottom">&nbsp;</TD></TR>


<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" COLSPAN="3"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_1">ARTICLE&nbsp;I THE MERGER </A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" ALIGN="right">A-1</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;1.1</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_2">The Merger</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-1</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;1.2</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_3">Closing</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-2</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;1.3</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_4">Effective Time</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-2</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;1.4</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_5">Effects of the Merger</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-2</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;1.5</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_6">Certificate of Incorporation; Bylaws</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-2</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;1.6</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_7">Directors</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-2</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;1.7</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_8">Officers</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-2</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8" COLSPAN="3"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" COLSPAN="3"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_9">ARTICLE&nbsp;
II EFFECT OF THE MERGER ON THE CAPITAL STOCK OF THE CONSTITUENT CORPORATIONS; EXCHANGE OF CERTIFICATES</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" ALIGN="right">A-3</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;2.1</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_10">Conversion of Capital Stock</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-3</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;2.2</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_11">Treatment of Options and Other Equity-Based Awards and Warrants</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-3</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;2.3</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_12">Exchange and Payment</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-5</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;2.4</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_13">Withholding Rights</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-8</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;2.5</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_14">Dissenting Shares</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-8</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;2.6</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_15">Fractional Shares</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-8</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8" COLSPAN="3"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" COLSPAN="3"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_16">ARTICLE&nbsp;
III REPRESENTATIONS AND WARRANTIES OF THE COMPANY</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" ALIGN="right">A-9</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;3.1</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_17">Organization, Standing and Power</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-9</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;3.2</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_18">Capital Stock; Equity Awards; Warrants</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-10</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;3.3</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_19">Authority</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-11</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;3.4</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_20">No Conflict; Consents and Approvals</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-12</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;3.5</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_21">SEC Reports; Financial Statements</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-13</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;3.6</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_22">No Undisclosed Liabilities</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-14</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;3.7</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_23">Certain Information</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-14</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;3.8</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_24">Absence of Certain Changes or Events</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-14</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;3.9</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_25">Litigation</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-15</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;3.10</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_26">Compliance with Laws</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-15</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;3.11</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_27">Benefit Plans</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-15</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;3.12</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_28">Labor Matters</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-17</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;3.13</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_29">Environmental Matters</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-18</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;3.14</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_30">Taxes</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-19</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;3.15</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_31">Contracts</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-20</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;3.16</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_32">Customers and Suppliers</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-22</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;3.17</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_33">Insurance</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-23</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;3.18</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_34">Properties</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-23</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;3.19</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_35">Intellectual Property</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-24</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;3.20</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_36">Certain Payments; International Trade</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-26</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;3.21</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_37">State Takeover Statutes</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-26</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;3.22</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_38">Affiliate Transactions</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-26</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;3.23</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_39">Brokers</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-27</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;3.24</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_40">Opinion of Financial Advisor</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-27</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;3.25</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_41">Surety Bonds</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-27</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;3.26</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_42">No Other Representations or Warranties</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-27</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8" COLSPAN="3"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" COLSPAN="3"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_43">ARTICLE&nbsp;
IV REPRESENTATIONS AND WARRANTIES OF PARENT AND MERGER SUB</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" ALIGN="right">A-27</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;4.1</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_44">Organization, Standing and Power</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-27</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR></TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">A-i </P>

</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>


<Center><DIV STYLE="width:8.5in" align="left">

<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">


<TR>

<TD WIDTH="13%"></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="80%"></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>

<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;4.2</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_45">Capital Stock; Equity Awards</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-28</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;4.3</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_46">Authority</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-28</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;4.4</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_47">No Conflict; Consents and Approvals</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-29</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;4.5</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_48">SEC Reports; Financial Statements</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-29</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;4.6</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_49">No Undisclosed Liabilities</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-30</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;4.7</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_50">Certain Information</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-31</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;4.8</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_51">Absence of Certain Changes or Events</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-31</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;4.9</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_52">Litigation</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-31</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;4.10</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_53">Compliance with Laws</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-31</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;4.11</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_54">Ownership and Operations of Merger Sub</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-31</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;4.12</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_55">Financing</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-32</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;4.13</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_56">Vote/Approval Required</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-32</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;4.14</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_57">Ownership of Shares</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-33</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;4.15</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_58">Brokers</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-33</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;4.16</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_59">No Other Representations or Warranties</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-33</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;4.17</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_60">No Reliance</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-33</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8" COLSPAN="3"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" COLSPAN="3"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_61">ARTICLE&nbsp;V COVENANTS</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" ALIGN="right">A-33</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;5.1</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_62">Conduct of Business of the Company</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-33</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;5.2</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_63">Conduct of Business of Parent</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-36</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;5.3</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_64">No Control of Other Party&#146;s Business</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-37</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;5.4</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_65">Acquisition Proposals</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-37</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;5.5</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_66">Preparation of <FONT STYLE="white-space:nowrap">Form&nbsp;
S-4</FONT> and Proxy Statement; Stockholders&#146; Meeting</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-41</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;5.6</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_67">Access to Information; Confidentiality</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-42</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;5.7</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_68">Further Action; Efforts</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-43</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;5.8</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_69">Employment and Employee Benefits Matters; Other Plans</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-45</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;5.9</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_70">Takeover Laws</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-46</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;5.10</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_71">Nasdaq Delisting</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-46</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;5.11</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_72">Debt Financing</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-46</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;5.12</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_73">Cooperation as to Certain Indebtedness</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-50</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;5.13</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_74">Indemnification, Exculpation and Insurance</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-54</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;5.14</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_75"><FONT STYLE="white-space:nowrap">Rule&nbsp;16b-3</FONT></A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-56</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;5.15</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_76">Public Announcements</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-56</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;5.16</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_77">Obligations of Merger Sub</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-57</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;5.17</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_78">Notices of Certain Events</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-57</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;5.18</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_79">Stockholder Litigation</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-57</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;5.19</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_80">Further Assurances</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-57</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;5.20</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_81">Company FIRPTA Certificate</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-57</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;5.21</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_82">Stock Exchange Listing</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-57</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8" COLSPAN="3"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" COLSPAN="3"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_83">ARTICLE&nbsp;VI CONDITIONS PRECEDENT</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" ALIGN="right">A-58</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;6.1</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_84">Conditions to Each Party&#146;s Obligation to Effect the Merger</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-58</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;6.2</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_85">Conditions to the Obligations of the Company</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-58</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;6.3</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_86">Conditions to the Obligations of Parent and Merger Sub</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-59</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;6.4</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_87">Frustration of Closing Conditions</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-59</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8" COLSPAN="3"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" COLSPAN="3"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_88">ARTICLE&nbsp;VII TERMINATION, AMENDMENT AND
WAIVER</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" ALIGN="right">A-59</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;7.1</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_89">Termination</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-59</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;7.2</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_90">Effect of Termination</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-61</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;7.3</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_91">Fees and Expenses</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-61</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;7.4</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_92">Amendment or Supplement</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-62</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;7.5</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_93">Extension of Time; Waiver</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-62</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR></TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">A-ii </P>

</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>


<Center><DIV STYLE="width:8.5in" align="left">

<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">


<TR>

<TD WIDTH="13%"></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="80%"></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>

<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" COLSPAN="3"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_94">ARTICLE&nbsp;VIII GENERAL PROVISIONS</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" ALIGN="right">A-63</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;8.1</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_95">Nonsurvival of Representations and Warranties and <FONT STYLE="white-space:nowrap">Pre-Closing
</FONT> Covenants</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-63</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;8.2</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_96">Notices</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-63</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;8.3</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_97">Certain Definitions</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-64</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;8.4</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_98">Interpretation</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-68</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;8.5</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_99">Entire Agreement</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-69</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;8.6</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_100">Parties in Interest</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-69</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;8.7</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_101">Governing Law</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-69</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;8.8</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_102">Submission to Jurisdiction</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-69</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;8.9</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_103">Assignment; Successors</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-70</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;8.10</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_104">Specific Performance</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-70</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;8.11</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_105">Currency</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-70</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;8.12</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_106">Severability</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-70</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;8.13</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_107">Waiver of Jury Trial</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-70</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;8.14</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_108">Counterparts</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-70</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;8.15</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_109">Facsimile or .pdf Signature</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-70</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;8.16</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_110">No Presumption Against Drafting Party</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-71</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;8.17</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_111">Financing Transactions Provisions</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-71</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Section&nbsp;8.18</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; text-indent:2.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#annxarom338793_112"><FONT STYLE="white-space:nowrap">Non-Recourse</FONT></A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">A-71</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
</TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Exhibit&nbsp;A Amended and Restated Certification of Incorporation </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">A-iii </P>

</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>


<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>INDEX OF DEFINED TERMS </B></P>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">


<TR>

<TD WIDTH="62%"></TD>

<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD WIDTH="37%"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom"><U>Definition</U></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"><U>Location</U></TD></TR>


<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Acquisition Proposal</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>5.4(h)(i)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Action</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>3.9</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Adverse Recommendation Change</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>5.4(h)(ii)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Affiliate</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>8.3(a)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Agreement</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>Preamble</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Alternative Acquisition Agreement</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>5.4(c)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Anti-Dilution Warrant Certificates</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>8.3(b)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Anti-Dilution Warrants</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>3.2(a)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Antitrust Law</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>5.7(i)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Bidder</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>5.4(a)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Book-Entry Shares</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>2.3(b)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">BRC</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>8.3(c)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">BRC Charter</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>8.3(d)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Business Day</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>8.3(e)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Cash Consideration</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>2.1(a)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Certificate of Merger</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>1.3</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Certificates</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>2.3(b)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Closing</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>1.2</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Closing Date</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>1.2</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Code</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>2.4</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Company</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>Preamble</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Company Board</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>Recitals</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Company Board Recommendation</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>3.3(b)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Company Bylaws</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>3.1(c)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Company Charter</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>3.1(c)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Company Disclosure Letter</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>Article&nbsp;III</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Company Equity Awards</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>2.2(c)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Company Equity Plans</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>2.2(a)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Company ESPP</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>2.2(i)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Company Indenture Officers&#146; Certificates</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>5.12(a)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Company IT Assets</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>8.3(f)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Company Note Offers and Consent Solicitations</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>5.12(a)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Company Plan</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>3.11(a)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Company PSU</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>2.2(c)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Company Redemption Notice</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>5.12(b)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Company Redemption Officers&#146; Certificates</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>5.12(b)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Company Registered IP</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>3.19(a)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Company Related Parties</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>8.17</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Company RSU</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>2.2(b)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Company SEC Documents</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>3.5(a)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Company Stock Option</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>2.2(a)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Company Stockholder Approval</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>3.3(a)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Company Stockholders Meeting</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>5.5(b)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Company Supplemental Indenture</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>5.12(a)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Company Warrants</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>8.3(g)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Compliant</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>8.3(h)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Confidentiality Agreement</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>5.6(b)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Consent Solicitations</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>5.12(a)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Continuation Period</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>5.8</TD></TR></TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">A-iv </P>

</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>


<Center><DIV STYLE="width:8.5in" align="left">

 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>INDEX OF DEFINED TERMS </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>(Continued) </B></P> <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">


<TR>

<TD WIDTH="62%"></TD>

<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD WIDTH="37%"></TD></TR>

<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom"><U>Definition</U></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"><U>Location</U></TD></TR>


<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Contract</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>3.4(a)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">control</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>8.3(i)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Covered Countries</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>3.20(c)(i)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Covered Employees</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>5.8</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><FONT STYLE="white-space:nowrap">COVID-19</FONT></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>8.3(j)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">DAC 6</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>3.14(g)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Data Privacy/Security Requirements</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>3.19(f)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Debt Commitment Letter</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>4.12</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Debt Financing</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>4.12</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Debt Financing Sources</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>8.3(k)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Debt Offer Documents</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>5.12(a)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">DGCL</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>Recitals</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Dissenting Shares</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>2.5</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">DTC</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>2.3(e)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">DTC Payment</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>2.3(e)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Effective Time</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>1.3</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Environmental Laws</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>3.13(c)(i)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Environmental Permits</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>3.13(c)(ii)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Equity Commitment Agreements</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>8.3(l)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">ERISA</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>3.11(a)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Exchange Act</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>3.4(b)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Exchange Agent</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>2.3(a)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Exchange Fund</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>2.3(a)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Existing Company Credit Agreement</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>8.3(m)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Existing Company Indenture</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>8.3(n)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Existing Company Notes</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>8.3(o)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Existing Credit Facilities Termination</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>5.12(c)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Financing Failure Event</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>5.11(b)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Financing Transactions</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>8.3(p)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><FONT STYLE="white-space:nowrap">Form&nbsp;S-4</FONT></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>3.7</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Fractional Share Cash Consideration</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>2.6</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">GAAP</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>3.5(b)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Governmental Entity</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>8.3(q)</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">HSR Act</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>3.4(b)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Indebtedness</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>8.3(r)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Indemnified Parties</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>5.13(a)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Intellectual Property</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>8.3(s)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">International Trade Laws and Regulations</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>3.20(c)(ii)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Intervening Event</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>5.4(h)(ii)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">IRS</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>3.11(a)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">knowledge</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>8.3(t)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Labor Agreement</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>3.12(a)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Law</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>3.4(a)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Liens</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>3.2(f)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Material Adverse Effect</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>8.3(u)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Material Contract</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>3.15(a)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Material Customers</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>3.16</TD></TR></TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">A-v </P>

</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>


<Center><DIV STYLE="width:8.5in" align="left">

 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>INDEX OF DEFINED TERMS </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>(Continued) </B></P> <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">


<TR>

<TD WIDTH="62%"></TD>

<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD WIDTH="37%"></TD></TR>

<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom"><U>Definition</U></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"><U>Location</U></TD></TR>


<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Material Suppliers</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>3.16</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Materials of Environmental Concern</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>3.13(c)(iii)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Measurement Date</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>3.2(a)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Merger</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>Recitals</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Merger Consideration</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>2.1(a)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Merger Sub</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>Preamble</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Multiemployer Plan</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>3.11(c)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Nasdaq</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>3.4(b)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">NYSE</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>3.4(b)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">OFAC</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>3.20(c)(ii)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Offers to Purchase</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>5.12(a)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Owned Real Estate</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>3.18(b)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Parent</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>Preamble</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Parent Common Stock</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>8.3(v)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Parent Common Stock Conversion Ratio</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>2.2(a)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Parent Equity Awards</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>8.3(w)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Parent Material Adverse Effect</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>8.3(x)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Parent Measurement Date</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>4.2(a)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Parent Plan</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>5.8(c)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Parent Preferred Stock</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>4.2(a)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Parent SEC Documents</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>4.5(a)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Payoff Amount</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>5.12(c)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Permits</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>3.10</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Person</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>8.3(y)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Personal Information</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>8.3(z)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><FONT STYLE="white-space:nowrap">Pre-Consummation</FONT> Warning Letter</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>5.7(h)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Preferred Stock</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>3.2(a)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Preferred Stock Exchange Agreement</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>8.3(bb)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><FONT STYLE="white-space:nowrap">Pre-Funded</FONT> Warrant Agreement</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>8.3(aa)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><FONT STYLE="white-space:nowrap">Pre-Funded</FONT> Warrants</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>3.2(a)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Privacy Laws</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>8.3(cc)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Proxy Statement</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>3.7</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Public Health Measures</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>8.3(dd)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Redemption</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>5.12(b)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Release</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>3.13(c)(iv)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Representatives</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>5.4(a)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Required Information</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>8.3(ee)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Retirement Plan</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>5.8(e)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Retirement Plan Termination Date</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>5.8(e)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Sanctioned Person</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>3.20(c)(iii)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">SEC</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>3.5(a)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Securities Act</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>3.4(b)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Security Plan</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>3.19(g)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Series&nbsp;B Warrant Agreement</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>8.3(ff)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Series&nbsp;B Warrants</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>3.2(a)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Shares</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>2.1(a)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">SPAC Warrant Agreement</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>8.3(gg)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">SPAC Warrants</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>3.2(a)</TD></TR></TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">A-vi </P>

</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
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<h5 align="left"><a href="#toc">Table of Contents</a></h5>


<Center><DIV STYLE="width:8.5in" align="left">

 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>INDEX OF DEFINED TERMS </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>(Continued) </B></P> <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">


<TR>

<TD WIDTH="62%"></TD>

<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD WIDTH="37%"></TD></TR>

<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom"><U>Definition</U></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"><U>Location</U></TD></TR>


<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Stock Consideration</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>2.1(a)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Subsidiary</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>8.3(hh)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Superior Proposal</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>5.4(h)(iii)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Supplemental Indenture</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>8.3(ii)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Supporting Stockholders</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>Recitals</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Surety Bonds</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>3.25</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Surviving Corporation</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>1.1</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Takeover Laws</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>3.21</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Tax Returns</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>3.14(o)(i)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Taxes</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>3.14(o)(ii)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Termination Date</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>7.1(b)(i)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Termination Fee</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>7.3(b)</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Voting Agreement</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>Recitals</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Willful Breach</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>8.3(jj)</TD></TR>
</TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">A-vii </P>

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<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>AGREEMENT AND PLAN OF MERGER </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">This AGREEMENT AND PLAN OF MERGER (this &#147;<U>Agreement&#148;), dated as of July&nbsp;24, 2022, is made by and among MasTec,&nbsp;Inc., a
Florida corporation (&#147;Parent&#148;),&nbsp;Indigo Acquisition I Corp., a Delaware corporation and a wholly-owned Subsidiary of Parent (&#147;Merger Sub&#148;), and Infrastructure and Energy Alternatives,&nbsp;Inc., a Delaware corporation (the
&#147;Company&#148;). </U></P> <P STYLE="margin-top:24pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>RECITALS </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">WHEREAS, it is proposed that the parties effect the acquisition of the Company by Parent through the merger of Merger Sub with and into the
Company, with the Company being the surviving entity (the &#147;<U>Merger</U>&#148;); </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">WHEREAS, the board of directors of the Company (the
&#147;<U>Company Board</U>&#148;) unanimously (a)&nbsp;determined that the terms of this Agreement and the transactions contemplated hereby, including the Merger, are fair to, and in the best interests of, the Company and its stockholders,
(b)&nbsp;determined that it is in the best interests of the Company and its stockholders, and declared it advisable, to enter into this Agreement, (c)&nbsp;approved the execution and delivery by the Company of this Agreement, the performance by the
Company of its covenants and agreements contained herein and the consummation of the Merger and the other transactions contemplated hereby upon the terms and subject to the conditions contained herein and (d)&nbsp;subject to Section&nbsp;5.4,
resolved to recommend that the Company&#146;s stockholders vote to adopt this Agreement; </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">WHEREAS, (a)&nbsp;the respective boards of
directors of Parent and Merger Sub have each approved this Agreement and determined that this Agreement and the transactions contemplated hereby, including the Merger, are advisable and fair to, and in the best interests of, Parent and Merger Sub,
as applicable, and their respective stockholder(s)&nbsp;and (b)&nbsp;immediately following the execution and delivery of this Agreement, Parent, as sole stockholder of Merger Sub, shall adopt this Agreement and approve the Merger, in accordance with
the General Corporation Law of the State of Delaware (the &#147;<U>DGCL</U>&#148;); </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">WHEREAS, Parent, Merger Sub and the Company desire to
make certain representations, warranties, covenants and agreements in connection with the Merger and the other transactions contemplated by this Agreement and also to prescribe certain terms and conditions to the Merger as specified herein; and </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">WHEREAS, concurrently with the execution and delivery of this Agreement, and as a condition to the willingness of Parent to enter into this
Agreement, certain holders of Shares (the &#147;<U>Supporting Stockholders</U>&#148;) are entering into a voting and support agreement with Parent (each, a &#147;<U>Voting Agreement</U>&#148;) pursuant to which, among other things, each of the
Supporting Stockholders is agreeing, subject to the terms of the Voting Agreement, to vote all Shares owned by such Supporting Stockholder in favor of the approval and adoption of this Agreement and the other transactions contemplated hereby. </P>
<P STYLE="margin-top:24pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>AGREEMENT </B></P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">NOW,
THEREFORE, in consideration of the premises, and of the representations, warranties, covenants and agreements contained herein, and intending to be legally bound hereby, Parent, Merger Sub and the Company hereby agree as follows: </P>
<P STYLE="margin-top:24pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><A NAME="annxarom338793_1"></A>ARTICLE&nbsp;I </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>THE MERGER </B></P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_2">
</A>Section&nbsp;1.1 <U>The Merger</U>. Upon the terms and subject to the conditions set forth in this Agreement and in accordance with the DGCL, at the Effective Time, Merger Sub shall be merged with and into the Company. As a result of the Merger,
the separate corporate existence of Merger Sub shall cease, and the Company shall continue as the surviving corporation in the Merger (the &#147;<U>Surviving Corporation</U>&#148;) and a wholly-owned Subsidiary of Parent. </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">A-1 </P>

</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>


<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_3"></A>Section&nbsp;1.2 <U>Closing</U>. The closing of the Merger
(the &#147;<U>Closing</U>&#148;) shall take place at 9:00 a.m., Eastern time, on the third Business Day following the satisfaction or, to the extent permitted by applicable Law, waiver of the conditions set forth in Article&nbsp;VI (other than those
conditions that by their nature are to be satisfied at the Closing, but subject to the satisfaction or, to the extent permitted by applicable Law, waiver of those conditions), at the offices of Gibson, Dunn&nbsp;&amp; Crutcher LLP, 200 Park Avenue,
New York, NY 10166, unless another date, time or place is agreed to in writing by Parent and the Company; <U>provided</U>, that the Closing may occur remotely via electronic exchange of required Closing documentation in lieu of an <FONT
STYLE="white-space:nowrap">in-person</FONT> Closing, and the parties shall cooperate in connection therewith; <U>provided</U>, <U>further</U>, that the Closing shall not occur sooner than 60 days after the date hereof. The date on which the Closing
actually occurs is referred to in this Agreement as the &#147;<U>Closing Date</U>.&#148; </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_4"></A>Section&nbsp;1.3
<U>Effective Time</U>. Upon the terms and subject to the provisions of this Agreement, at the Closing, the parties shall cause a certificate of merger with respect to the Merger (the &#147;<U>Certificate of Merger</U>&#148;) to be executed,
acknowledged, and filed with the Secretary of State of the State of Delaware in accordance with the relevant provisions of the DGCL, and shall make any and all other filings or recordings required under the DGCL in connection with the Merger. The
Merger shall become effective at such time as the Certificate of Merger is duly filed with the Secretary of State of the State of Delaware or at such later date or time as Parent and the Company shall agree in writing and shall specify in the
Certificate of Merger in accordance with the DGCL (the time the Merger becomes effective being the &#147;<U>Effective Time</U>&#148;). </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_5">
</A>Section&nbsp;1.4 <U>Effects of the Merger</U>. The Merger shall have the effects set forth in this Agreement and in the applicable provisions of the DGCL. Without limiting the generality of the foregoing, and subject thereto, at the Effective
Time, all the property, rights, privileges, powers and franchises of the Company and Merger Sub shall vest in the Surviving Corporation, and all debts, liabilities and duties of the Company and Merger Sub shall become the debts, liabilities and
duties of the Surviving Corporation. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_6"></A>Section&nbsp;1.5 <U>Certificate of Incorporation; Bylaws</U>. At the
Effective Time, (a)&nbsp;by virtue of the Merger, the certificate of incorporation of the Surviving Corporation shall be amended and restated in its entirety to read as set forth on Exhibit&nbsp;A attached hereto and, as so amended and restated,
shall be the certificate of incorporation of the Surviving Corporation, until thereafter amended in accordance with its terms and applicable Law, subject to Section&nbsp;5.13, and (b)&nbsp;the bylaws of the Surviving Corporation shall be amended and
restated in their entirety so as to be identical to the bylaws of Merger Sub as in effect immediately prior to the Effective Time (except that the name of the Surviving Corporation shall be &#147;Infrastructure and Energy
Alternatives,&nbsp;Inc.&#148;) and, as so amended and restated, shall be the bylaws of the Surviving Corporation, until thereafter amended in accordance with their terms, the certification of incorporation of the Surviving Corporation and applicable
Law, subject to Section&nbsp;5.13. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_7"></A>Section&nbsp;1.6 <U>Directors</U>. The directors of Merger Sub
immediately prior to the Effective Time shall be the directors of the Surviving Corporation until the earlier of their resignation or removal or until their respective successors are duly elected and qualified. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_8"></A>Section&nbsp;1.7 <U>Officers</U>. The officers of the Company immediately prior to the Effective Time shall be
the officers of the Surviving Corporation until the earlier of their resignation or removal or until their respective successors are duly elected and qualified. </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">A-2 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><A NAME="annxarom338793_9"></A>ARTICLE&nbsp;II </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>EFFECT OF THE MERGER ON THE CAPITAL STOCK OF THE CONSTITUENT CORPORATIONS; EXCHANGE OF CERTIFICATES </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_10"></A>Section&nbsp;2.1 <U>Conversion of Capital Stock</U>. At the Effective Time, by virtue of the Merger and
without any action on the part of the Company, Parent, Merger Sub or the holders of any shares of capital stock of the Company, Parent or Merger Sub: </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(a) Each share of common stock, par value $0.0001 per share, of the Company (such shares, collectively, the &#147;<U>Shares</U>&#148;) issued
and outstanding immediately prior to the Effective Time (other than (i)&nbsp;Shares to be cancelled in accordance with Section&nbsp;2.1(b)&nbsp;and (ii)&nbsp;any Dissenting Shares) shall thereupon be converted automatically into and shall thereafter
represent the right to receive (x)&nbsp;0.0483 of a validly issued, fully paid and nonassessable share of Parent Common Stock, subject to Section&nbsp;2.6 with respect to fractional shares (the &#147;<U>Stock Consideration</U>&#148;) and
(y)&nbsp;$10.50 in cash (the &#147;<U>Cash Consideration</U>&#148; and together with the Stock Consideration, the &#147;<U>Merger Consideration</U>&#148;), without interest. As of the Effective Time, all Shares issued and outstanding immediately
prior to the Effective Time shall no longer be outstanding and shall automatically be cancelled and shall cease to exist, and shall thereafter only represent the right to receive the Merger Consideration to be paid in accordance with
Section&nbsp;2.3, without interest, and any dividends or other distributions payable pursuant to Section&nbsp;2.3(k)&nbsp;and cash in lieu of any fractional shares payable pursuant to Section&nbsp;2.6. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(b) Each Share held in the treasury of the Company or owned, directly or indirectly, by Parent, Merger Sub, the Company or any wholly-owned
Subsidiary of the Company immediately prior to the Effective Time shall automatically be cancelled and shall cease to exist, and no consideration shall be delivered in exchange therefor. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(c) Each share of common stock, par value $0.01 per share, of Merger Sub issued and outstanding immediately prior to the Effective Time shall
be converted into and become one validly issued, fully paid and <FONT STYLE="white-space:nowrap">non-assessable</FONT> share of common stock, par value $0.01 per share, of the Surviving Corporation with the same rights, powers, and privileges as the
shares so converted and shall constitute the only outstanding shares of capital stock of the Surviving Corporation. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(d) If at any time
during the period between the date of this Agreement and the Effective Time, any change in the outstanding shares of capital stock of Parent or the Company, or securities convertible into or exchangeable into or exercisable for shares of such
capital stock, shall occur as a result of any reclassification, recapitalization, stock split (including a reverse stock split) or subdivision or combination, exchange or readjustment of shares, or any stock dividend or stock distribution with a
record date during such period, merger or other similar transaction, the Merger Consideration shall be equitably adjusted, without duplication, to reflect such change. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_11"></A>Section&nbsp;2.2 <U>Treatment of Options and Other Equity-Based Awards and Warrants</U>. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(a) At the Effective Time, each option (each, a &#147;<U>Company Stock Option</U>&#148;) to purchase Shares granted under the Company&#146;s
2018 Equity Incentive Plan or any other equity incentive plan or arrangement (the &#147;<U>Company Equity Plans</U>&#148;), whether vested or unvested, that is outstanding immediately prior to the Effective Time shall be cancelled and, in exchange
therefor, the Surviving Corporation shall pay to each former holder of any such cancelled Company Stock Option as soon as practicable following the Effective Time (i)&nbsp;an amount in cash (without interest, and subject to deduction for any
required withholding Tax) equal to the product of (x)&nbsp;75% of the excess of $14.00 over the exercise price per Share under such Company Stock Option and (y)&nbsp;the number of Shares subject to such Company Stock Option and (ii)&nbsp;a number of
shares of Parent Common Stock equal to the product of (x)&nbsp;the product of (A)&nbsp;25% of the excess of $14.00 over the exercise price per Share under such Company Stock Option and (B)&nbsp;the Parent Common Stock Conversion Ratio and
(y)&nbsp;the number of Shares subject to such Company Stock Option (and cash in lieu of any fractional shares payable pursuant to Section&nbsp;2.6); </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">A-3 </P>

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<U>provided</U>, that if the exercise price per Share of any such Company Stock Option is equal to or greater than $14.00, such Company Stock Option shall be cancelled without any cash payment
being made in respect thereof. &#147;<U>Parent Common Stock Conversion Ratio</U>&#148; means 0.0138. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(b) At the Effective Time, each
restricted stock unit award that vests solely based on the passage of time (each, a &#147;<U>Company RSU</U>&#148;) with respect to Shares granted under the Company Equity Plans, whether vested or unvested, that is outstanding immediately prior to
the Effective Time shall be cancelled and, in exchange therefor, the Surviving Corporation shall pay to each former holder of any such cancelled Company RSU as soon as practicable following the Effective Time (i)&nbsp;an amount in cash (without
interest, and subject to deduction for any required withholding Tax) equal to the product obtained by multiplying (x)&nbsp;the Cash Consideration and (y)&nbsp;the number of Shares subject to such Company RSU and (ii)&nbsp;a number of shares of
Parent Common Stock equal to the product obtained by multiplying (x)&nbsp;the Stock Consideration and (y)&nbsp;the number of Shares subject to such Company RSU (and cash in lieu of any fractional shares payable pursuant to Section&nbsp;2.6). </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(c) At the Effective Time, each restricted stock unit award that vests in whole or in part based on the achievement of one or more performance
goals (each, a &#147;<U>Company PSU</U>&#148;, together with Company Stock Options and Company RSUs, collectively, the &#147;<U>Company Equity Awards</U>&#148;) with respect to Shares granted under the Company Equity Plans, whether vested or
unvested, that is outstanding immediately prior to the Effective Time shall be cancelled and, in exchange therefor, the Surviving Corporation shall pay to each former holder of any such cancelled Company PSU as soon as practicable following the
Effective Time (i)&nbsp;an amount in cash (without interest, and subject to deduction for any required withholding Tax) equal to the product obtained by multiplying (x)&nbsp;the Cash Consideration and (y)&nbsp;the number of Shares subject to such
Company PSU assuming the target level of performance is achieved and (ii)&nbsp;a number of shares of Parent Common Stock equal to the product obtained by multiplying (x)&nbsp;the Stock Consideration and (y)&nbsp;the number of Shares subject to such
Company PSU assuming the target level of performance is achieved (and cash in lieu of any fractional shares payable pursuant to Section&nbsp;2.6). </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(d) Immediately prior to the Effective Time, each outstanding Anti-Dilution Warrant shall, in accordance with its terms, automatically and
without any required action on the part of the holder thereof, be cancelled and the registered holder thereof shall be entitled to receive (i)&nbsp;an amount in cash, without interest, equal to the product obtained by multiplying (x)&nbsp;the Cash
Consideration and (y)&nbsp;the number of Shares then issuable upon exercise of the Anti-Dilution Warrant and (ii)&nbsp;a number of shares of Parent Common Stock equal to product obtained by multiplying (x)&nbsp;the Stock Consideration and
(y)&nbsp;the number of Shares then issuable upon exercise of the Anti-Dilution Warrant (and cash in lieu of any fractional shares payable pursuant to Section&nbsp;2.6), in each case, as if the registered holder had exercised the Anti-Dilution
Warrant in full immediately prior to the Effective Time and acquired the applicable number of Shares then issuable thereunder as a result of such exercise (without taking into account any limitations or restrictions on the exercisability of the
Anti-Dilution Warrant). </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(e) At the Effective Time, each <FONT STYLE="white-space:nowrap">Pre-Funded</FONT> Warrant that is outstanding as
of immediately prior to the Effective Time will be deemed exercised in full as a &#147;cashless exercise&#148; (as described in the <FONT STYLE="white-space:nowrap">Pre-Funded</FONT> Warrant Agreement), in accordance with the terms of the <FONT
STYLE="white-space:nowrap">Pre-Funded</FONT> Warrant Agreement, and the holder thereof shall be entitled to receive (i)&nbsp;an amount in cash, without interest, equal to the product obtained by multiplying (x)&nbsp;the Cash Consideration and
(y)&nbsp;the number of Shares then issuable upon exercise in full of the <FONT STYLE="white-space:nowrap">Pre-Funded</FONT> Warrant as a &#147;cashless exercise,&#148; and (ii)&nbsp;a number of shares of Parent Common Stock equal to product obtained
by multiplying (x)&nbsp;the Stock Consideration and (y)&nbsp;the number of Shares then issuable upon exercise in full of the <FONT STYLE="white-space:nowrap">Pre-Funded</FONT> Warrant as a &#147;cashless exercise,&#148; in each case, calculated in
accordance with and subject to the terms and conditions of such <FONT STYLE="white-space:nowrap">Pre-Funded</FONT> Warrant Agreement (and cash in lieu of any fractional shares payable pursuant to Section&nbsp;2.6). Parent hereby assumes the
obligation to deliver to each such holder the foregoing consideration. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(f) At the Effective Time, each outstanding SPAC Warrant shall, in
accordance with its terms, automatically and without any required action on the part of the holder thereof, cease to represent a SPAC </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">A-4 </P>

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Warrant in respect of Shares and shall become a SPAC Warrant exercisable for Merger Consideration. If a holder properly exercises a SPAC Warrant within 30 days following the public disclosure of
the consummation of the Merger pursuant to a current report on <FONT STYLE="white-space:nowrap">Form&nbsp;8-K,</FONT> the Warrant Price (as defined in the SPAC Warrant Agreement) with respect to such exercise shall be reduced by an amount (in
dollars) equal to the difference (but in no event less than zero) of (a)&nbsp;the Warrant Price in effect prior to such reduction minus (b)&nbsp;(i)&nbsp;the Per Share Consideration (as defined in the SPAC Warrant Agreement) minus (ii)&nbsp;the
Black-Scholes Warrant Value (as defined in the SPAC Warrant Agreement). </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(g) Immediately prior to the Effective Time, each outstanding
Series&nbsp;B Warrant shall, in accordance with its terms, automatically and without any required action on the part of the holder thereof, be cancelled and the registered holder thereof (regardless of any limitation or restriction on
exercisability) shall be entitled to receive (i)&nbsp;an amount in cash, without interest, equal to the product obtained by multiplying (x)&nbsp;the Cash Consideration and (y)&nbsp;the number of Shares then issuable upon exercise of the
Series&nbsp;B Warrant and (ii)&nbsp;a number of shares of Parent Common Stock equal to product obtained by multiplying (x)&nbsp;the Stock Consideration and (y)&nbsp;the number of Shares then issuable upon exercise of the Series&nbsp;B Warrant, in
each case as if the registered holder had exercised the Series&nbsp;B Warrant in full immediately prior to the Effective Time and acquired the applicable number of Shares then issuable thereunder as a result of such exercise (without taking into
account any limitations or restrictions on the exercisability of the Series&nbsp;B Warrant) (and cash in lieu of any fractional shares payable pursuant to Section&nbsp;2.6). Parent hereby assumes the obligation to deliver to each such holder the
foregoing consideration. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(h) The Surviving Corporation shall pay the holders of Company Stock Options, Company RSUs and Company PSUs the
cash payments described in this Section&nbsp;2.2 through the Surviving Corporation&#146;s payroll system (or, for <FONT STYLE="white-space:nowrap">non-employees,</FONT> directly to such individuals) promptly after the Effective Time, but in any
event not later than the fifth Business Day after the Effective Time. Parent shall cause its transfer agent to issue to the holders of Company Stock Options, Company RSUs and Company PSUs the shares of Parent Common Stock described in this
Section&nbsp;2.2 promptly after the Effective Time, but in any event not later than the fifth Business Day after the Effective Time. Parent shall pay, or cause to be paid, the applicable consideration to each holder of the applicable Company Warrant
in accordance with and subject to the terms and conditions of the applicable Company Warrant. Notwithstanding the foregoing, the Merger Consideration payable with respect to a Company RSU or Company PSU that constitutes nonqualified deferred
compensation subject to Section&nbsp;409A of the Code shall be paid at the earliest time permitted under the terms of such award that will not result in the application of a tax or penalty under Section&nbsp;409A of the Code. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(i) Within five Business Days following the date hereof, the Company shall take all actions with respect to the Company&#146;s Employee Stock
Purchase Plan (the &#147;<U>Company ESPP</U>&#148;) that are necessary to provide that: (i)&nbsp;the Company ESPP and all outstanding offering periods are terminated, effective immediately, (ii)&nbsp;none of the outstanding options granted under the
Company ESPP shall be exercised and no Shares may be purchased under the Company ESPP, and (iii)&nbsp;all amounts then credited to participants&#146; accounts that have not been used to purchase Shares will be returned to the participants (without
interest thereon, except as otherwise required under applicable Law) as soon as administratively practicable following such termination. No new offering period shall be commenced under the Company ESPP prior to the termination of this Agreement.
</P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(j) Prior to the Effective Time, the Company shall adopt such resolutions as may be reasonably required to effectuate the provisions of
this Section&nbsp;2.2. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_12"></A>Section&nbsp;2.3 <U>Exchange and Payment</U>. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(a) Prior to the Effective Time, Parent shall enter into an agreement (in a form reasonably acceptable to the Company) with the Company&#146;s
transfer agent to act as an exchange agent (the &#147;<U>Exchange Agent</U>&#148;) for the purpose of paying the Merger Consideration payable in respect of Shares converted into Merger Consideration pursuant to Section&nbsp;2.1(a)&nbsp;and the
Fractional Share Cash Consideration, in accordance with Section&nbsp;2.6. Prior to </P>
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or as of the Effective Time, Parent shall deposit (or cause to be deposited) with the Exchange Agent (i)&nbsp;cash in an amount sufficient to make all payments of Cash Consideration in respect of
Shares pursuant to Section&nbsp;2.1(a), (ii)&nbsp;the aggregate Fractional Share Cash Consideration payable in the Merger to holders of Shares and (iii)&nbsp;evidence of Parent Common Stock in book-entry form representing the number of shares of
Parent Common Stock sufficient to deliver the aggregate Stock Consideration payable in the Merger to holders of Shares (such cash and book-entry shares, together with any dividends or distributions with respect thereto, the &#147;<U>Exchange
Fund</U>&#148;). The Exchange Fund shall not be used for any purpose other than to fund payments in respect of Shares converted into Merger Consideration pursuant to Section&nbsp;2.1(a), except as provided in this Agreement (including payment of the
Fractional Share Cash Consideration). The Surviving Corporation shall pay all charges and expenses of the Exchange Agent incurred by it in connection with the exchange of Shares for the Merger Consideration. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(b) Promptly after the Effective Time and in any event not later than the third Business Day following the Effective Time, the Surviving
Corporation shall cause the Exchange Agent to mail to each holder of record of an outstanding certificate or outstanding certificates (&#147;<U>Certificates</U>&#148;) that immediately prior to the Effective Time represented outstanding Shares that
were converted into the right to receive the Merger Consideration with respect thereto pursuant to Section&nbsp;2.1(a), (i)&nbsp;a form of letter of transmittal (which shall specify that delivery shall be effected, and risk of loss and title to the
Certificates held by such Person shall pass, only upon proper delivery of the Certificates to the Exchange Agent) and (ii)&nbsp;instructions for use in effecting the surrender of such Certificates in exchange for the Merger Consideration payable
with respect thereto pursuant to Section&nbsp;2.1(a)&nbsp;and the Fractional Share Cash Consideration payable pursuant to Section&nbsp;2.6. Upon surrender of a Certificate to the Exchange Agent, together with such letter of transmittal, duly
completed and validly executed in accordance with the instructions thereto, the holder of such Certificate shall be entitled to receive in exchange therefor the Merger Consideration for each Share formerly represented by such Certificate (subject to
deduction for any required withholding Tax), and the Certificate so surrendered shall forthwith be cancelled and the shares of Parent Common Stock issued in connection with the foregoing shall be in
<FONT STYLE="white-space:nowrap">non-certificated</FONT> book-entry form. Promptly after the Effective Time and in any event not later than the third Business Day following the Effective Time, the Surviving Corporation shall cause the Exchange Agent
to mail to each holder of record immediately prior to the Effective Time of uncertificated Shares represented by book entry (&#147;<U>Book-Entry Shares</U>&#148;) customary instructions for use in effecting the surrender of Book-Entry Shares in
exchange for the Merger Consideration payable with respect thereto pursuant to Section&nbsp;2.1(a)&nbsp;and the Fractional Share Cash Consideration payable pursuant to Section&nbsp;2.6. Upon receipt by the Exchange Agent of an &#147;agent&#146;s
message&#148; in customary form, and such other evidence of surrender, if any, as the Exchange Agent may reasonably request in respect of Book-Entry Shares, the holder thereof shall be entitled to receive in exchange therefore the Merger
Consideration and the Fractional Share Cash Consideration payable pursuant to Section&nbsp;2.6 with respect to each Share formerly represented by such Book-Entry Shares (subject to deduction for any required withholding Tax) and the shares of Parent
Common Stock issued in connection with the foregoing shall be in <FONT STYLE="white-space:nowrap">non-certificated</FONT> book-entry form. No interest will be paid or accrued for the benefit of holders of Certificates or Book-Entry Shares on the
Merger Consideration payable in respect of Certificates or Book-Entry Shares. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(c) If payment of the Merger Consideration or Fractional
Share Cash Consideration is to be made to a Person other than the Person in whose name the surrendered Certificate or Book-Entry Share is registered, it shall be a condition of payment that such Certificate so surrendered shall be properly endorsed
or shall be otherwise in proper form for transfer or such Book-Entry Share shall be properly transferred and that the Person requesting such payment shall have paid any transfer and other Taxes required by reason of the payment of the Merger
Consideration to a Person other than the registered holder of the Certificate or Book-Entry Share surrendered or shall have established to the satisfaction of Parent that such Tax either has been paid or is not applicable. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(d) Until surrendered as contemplated by this Section&nbsp;2.3, each Certificate or Book-Entry Share shall be deemed at any time after the
Effective Time to represent only cash in the amount equal to the aggregate Cash Consideration that such holder has the right to receive pursuant to Section&nbsp;2.1(a)&nbsp;and this Article&nbsp;II, book-entry shares representing the aggregate Stock
Consideration that such holder has the right to receive pursuant to </P>
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Section&nbsp;2.1(a)&nbsp;and this Article&nbsp;II, cash in lieu of any fractional shares of Parent Common Stock such holder is entitled to receive pursuant to Section&nbsp;2.6 and any dividends
or other distributions such holder is entitled to receive pursuant to Section&nbsp;2.3(k)&nbsp;below, in each case, in respect of Shares theretofore represented by such Certificate or Book-Entry Shares, as applicable, without any interest thereon.
</P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(e) Prior to the Effective Time, Parent and the Company shall cooperate to establish procedures with the Exchange Agent and the
Depository Trust Company (&#147;<U>DTC</U>&#148;) to ensure that (i)&nbsp;if the Closing occurs at or prior to 11:30&nbsp;a.m.&nbsp;(Eastern time) on the Closing Date, the Exchange Agent will transmit to DTC or its nominees on the Closing Date an
amount in cash in immediately available funds equal to the number of Shares held of record by DTC or such nominee immediately prior to the Effective Time multiplied by the Cash Consideration (such amount, the &#147;<U>DTC Payment</U>&#148;), and
(ii)&nbsp;if the Closing occurs after 11:30&nbsp;a.m.&nbsp;(Eastern time) on the Closing Date, the Exchange Agent will transmit to DTC or its nominee on the first Business Day after the Closing Date an amount in cash in immediately available funds
equal to the DTC Payment. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(f) The Merger Consideration, the Fractional Share Cash Consideration and any dividends or other distributions
payable pursuant to Section&nbsp;2.3(k)&nbsp;paid upon the surrender of Certificates or Book Entry Shares in accordance with the terms of this Article&nbsp;II in accordance with the terms of this Article&nbsp;II shall be deemed to have been paid in
full satisfaction of all rights pertaining to the Shares formerly represented by such Certificates or Book-Entry Shares. At the Effective Time, the stock transfer books of the Company shall be closed and there shall be no further registration of
transfers on the stock transfer books of the Surviving Corporation of the Shares that were outstanding immediately prior to the Effective Time. If, after the Effective Time, Certificates are presented to the Surviving Corporation or the Exchange
Agent for transfer or transfer is sought for Book-Entry Shares, such Certificates or Book-Entry Shares shall be cancelled and exchanged as provided in this Article&nbsp;II, subject to applicable Law in the case of Dissenting Shares. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(g) The Exchange Agent shall invest any cash included in the Exchange Fund as directed by Parent, on a daily basis; <U>provided</U>, that any
investment of such cash shall in all events be in short-term obligations of the United States of America with maturities of no more than 30 days or guaranteed by the United States of America and backed by the full faith and credit of the United
States of America or in commercial paper obligations rated <FONT STYLE="white-space:nowrap">A-1</FONT> or <FONT STYLE="white-space:nowrap">P-1</FONT> or better by Moody&#146;s Investors Service,&nbsp;Inc. or Standard&nbsp;&amp; Poor&#146;s
Corporation, respectively. If for any reason (including investment losses) the cash in the Exchange Fund is insufficient to fully satisfy all of the payment obligations to be made in cash by the Exchange Agent hereunder (but subject to
Section&nbsp;2.4), Parent shall cause the Surviving Corporation to promptly deposit cash into the Exchange Fund in an amount which is equal to the deficiency in the amount of cash required to fully satisfy such cash payment obligations. Any interest
and other income resulting from such investments shall be payable to the Surviving Corporation. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(h) At any time following the date that
is 12 months after the Effective Time, the Surviving Corporation shall be entitled to require the Exchange Agent to deliver to it any funds (including any interest received with respect thereto) which have been made available to the Exchange Agent
and which have not been disbursed to holders of Certificates or Book-Entry Shares, and thereafter such holders shall be entitled to look to Parent and the Surviving Corporation (subject to abandoned property, escheat or other similar Laws) only as
general creditors thereof with respect to the Merger Consideration (and any dividends or other distributions payable with respect thereto pursuant to Section&nbsp;2.3(k)&nbsp;and cash in lieu of any fractional shares payable with respect thereto
pursuant to Section&nbsp;2.6) payable upon due surrender of their Certificate or Book-Entry Shares. Notwithstanding the foregoing, neither the Surviving Corporation nor Parent shall be liable to any holder of Shares for any amounts paid to a public
official pursuant to applicable abandoned property, escheat, or similar Laws. Any amounts remaining unclaimed by holders of the Shares two years after the Effective Time, or such earlier date, immediately prior to such time when the amounts would
otherwise escheat to or become property of any Governmental Entity shall become, to the extent permitted by applicable Law, the property of the Surviving Corporation (or, at the option of Parent, Parent) free and clear of any claims or interest of
any Person previously entitled thereto. </P>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(i) If any Certificate shall have been lost, stolen or destroyed, upon the holder&#146;s
compliance with the replacement requirements established by the Exchange Agent, including, if necessary, an indemnity by such Person for any claim that may be made against it or the Surviving Corporation with respect to such Certificate, the
Exchange Agent will deliver in exchange for such lost, stolen or destroyed Certificate the Merger Consideration, the Fractional Share Cash Consideration and any dividends or other distributions payable with respect thereto pursuant to
Section&nbsp;2.3(k), payable in respect thereof pursuant to this Agreement. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(j) Any portion of the Merger Consideration made available to
the Exchange Agent in respect of any Dissenting Shares shall be returned to Parent, upon demand. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(k) No dividends or other distributions
with respect to shares of Parent Common Stock with a record date after the Effective Time shall be paid to the holder of any unsurrendered Certificate or Book Entry Share with respect to the shares of Parent Common Stock that the holder thereof has
the right to receive upon the surrender thereof, and no cash payment in lieu of fractional shares of Parent Common Stock shall be paid to any such holder pursuant to Section&nbsp;2.6, in each case until the holder of such Certificate or Book Entry
Share shall have surrendered such Certificate or Book Entry Share in accordance with this Article&nbsp;II. Following the surrender of any Certificate or Book Entry Share, there shall be paid to the holder of the Certificate or Book Entry Share
representing shares of Parent Common Stock issued in exchange therefor, without interest, (A)&nbsp;at the time of such surrender, the amount of dividends or other distributions with a record date after the Effective Time theretofore paid with
respect to such shares of Parent Common Stock and the amount of any cash payable in lieu of a fractional share of Parent Common Stock to which such holder is entitled pursuant to Section&nbsp;2.6 and (B)&nbsp;at the appropriate payment date, the
amount of dividends or other distributions with a record date after the Effective Time but prior to such surrender and a payment date subsequent to such surrender payable with respect to such shares of Parent Common Stock. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_13"></A>Section&nbsp;2.4 <U>Withholding Rights</U>. Parent, Merger Sub, the Surviving Corporation or the Exchange
Agent shall be entitled to deduct and withhold from the consideration otherwise payable to any holder of the Shares, Company Stock Options, Company RSUs, Company PSUs, Company Warrants or otherwise pursuant to this Agreement such amounts as Parent,
Merger Sub, the Surviving Corporation or the Exchange Agent is required to deduct and withhold with respect to the making of such payment under the Internal Revenue Code of 1986, as amended (the &#147;<U>Code</U>&#148;), or any provision of state,
local or foreign Tax Law. To the extent that amounts are so withheld and paid over to the appropriate Taxing authority by Parent, Merger Sub, the Surviving Corporation or the Exchange Agent, such withheld amounts shall be treated for all purposes of
this Agreement as having been paid to the Person in respect of which such deduction and withholding was made. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_14">
</A>Section&nbsp;2.5 <U>Dissenting Shares</U>. Notwithstanding anything in this Agreement to the contrary, Shares issued and outstanding immediately prior to the Effective Time (other than Shares cancelled in accordance with Section&nbsp;2.1(b))
that are held by any holder who has not voted in favor of adoption of this Agreement or consented thereto in writing and who is entitled to demand and properly demands appraisal of such Shares pursuant to Section&nbsp;262 of the DGCL
(&#147;<U>Dissenting Shares</U>&#148;) shall not be converted into the right to receive the Merger Consideration, unless and until such holder shall have failed to perfect, or shall have effectively withdrawn or lost, such holder&#146;s right to
appraisal under the DGCL. Dissenting Shares shall be treated in accordance with Section&nbsp;262 of the DGCL. If any such holder fails to perfect or withdraws or loses any such right to appraisal, each such Share of such holder shall thereupon be
converted into and become exchangeable only for the right to receive, as of the later of the Effective Time and the time that such right to appraisal has been irrevocably lost, withdrawn or expired, the Merger Consideration in accordance with
Section&nbsp;2.1(a). The Company shall serve prompt notice to Parent of any demands received by the Company for appraisal of any Shares, and Parent shall have the right to direct all negotiations and proceedings with respect to such demands. The
Company shall not, without the prior consent of Parent, make any payment with respect to, or compromise or settle, any such demands. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_15">
</A>Section&nbsp;2.6 <U>Fractional Shares</U>. No certificate or scrip representing fractional shares of Parent Common Stock shall be issued upon the surrender for exchange of Certificates or Book-Entry Shares or any other provision of
</P>
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Article&nbsp;II, and such fractional share interests shall not entitle the owner thereof to vote or to any other rights of a stockholder of Parent. Notwithstanding any other provision of this
Agreement, each holder of Shares converted pursuant to the Merger who would hold a fractional share of Parent Common Stock (or holder of other equity interests of the Company who would otherwise have been entitled to receive a fraction of a share of
Parent Common Stock pursuant to the provisions of Article&nbsp;II) (after aggregating all shares represented by the Certificates and Book-Entry Shares delivered by such holder) shall receive, in lieu thereof, cash, without interest, in an amount
equal to such fraction of a share of Parent Common Stock multiplied by the last reported sale price of Parent Common Stock on the NYSE (as reported in the Wall Street Journal or, if not reported therein, in another authoritative source mutually
selected by Parent and the Company) on the last complete trading day prior to the date of the Effective Time, rounded to the nearest whole cent (the &#147;<U>Fractional Share Cash Consideration</U>&#148;). </P>
<P STYLE="margin-top:24pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><A NAME="annxarom338793_16"></A>ARTICLE&nbsp;III </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>REPRESENTATIONS AND WARRANTIES OF THE COMPANY </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Except (a)&nbsp;as disclosed in the Company SEC Documents publicly available at least two Business Days prior to the date of this Agreement
(but excluding any disclosures contained under the heading &#147;Risk Factors,&#148; any disclosure of risks included in any &#147;forward-looking statements&#148; disclaimer or any other statements that are similarly predictive or forward-looking
in nature, in each case, other than any specific factual information contained therein), or (b)&nbsp;as set forth in the disclosure letter delivered by the Company to Parent concurrently with the execution of this Agreement (the &#147;<U>Company
Disclosure Letter</U>&#148;) (it being agreed that disclosure of any information in a particular section or subsection of the Company Disclosure Letter shall be deemed disclosure with respect to any other section or subsection of this Agreement to
which the relevance of such information is reasonably apparent on the face of such disclosure) (<U>provided</U>, that notwithstanding the foregoing, Sections 3.2 (Capital Stock; Equity Awards; Warrants), 3.4 (No Conflict; Consents and Approvals),
3.9 (Litigation) and 3.22 (Affiliate Transactions), shall be deemed qualified only by Sections 3.2, 3.4, 3.9 and 3.22, respectively, of the Company Disclosure Letter and not by any other section of the Company Disclosure Letter or any SEC Document),
the Company represents and warrants to Parent and Merger Sub as follows: </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_17"></A>Section&nbsp;3.1
<U>Organization, Standing and Power</U>. </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(a)The Company (i)&nbsp;is a corporation duly incorporated, validly existing and in good standing
under the Laws of the State of Delaware, (ii)&nbsp;has all requisite corporate or similar power and authority to own, lease and operate its properties and to carry on its business as now being conducted and (iii)&nbsp;is duly qualified or licensed
to do business and is in good standing (with respect to jurisdictions that recognize such concept) in each jurisdiction in which the nature of its business or the ownership, leasing or operation of its properties makes such qualification or
licensing necessary, except, with respect to clauses&nbsp;(ii)&nbsp;and (iii), for any such failures to have such power and authority or to be so qualified or licensed or in good standing as would not, individually or in the aggregate, reasonably be
expected to have a Material Adverse Effect or materially delay or materially impede the performance by the Company of its obligations under this Agreement or the consummation of the Merger or any of the other transactions contemplated hereby. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(b) Each of the Company&#146;s Subsidiaries (i)&nbsp;is an entity duly organized, validly existing and in good standing (with respect to
jurisdictions that recognize such concept) under the Laws of the jurisdiction of its organization, (ii)&nbsp;has all requisite corporate or similar power and authority to own, lease and operate its properties and to carry on its business as now
being conducted and (iii)&nbsp;is duly qualified or licensed to do business and is in good standing (with respect to jurisdictions that recognize such concept) in each jurisdiction in which the nature of its business or the ownership, leasing or
operation of its properties makes such qualification or licensing necessary, except in each case of clauses (i), (ii)&nbsp;and (iii), as would not, individually or in the aggregate, reasonably be expected to have a Material Adverse Effect or
materially delay or materially impede the performance by the Company of its obligations under this Agreement or the consummation of the Merger or any of the other transactions contemplated hereby. </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">A-9 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(c) The Company has previously delivered or otherwise made available to Parent true,
complete and correct copies of the Company&#146;s certificate of incorporation (the &#147;<U>Company Charter</U>&#148;) and bylaws (the &#147;<U>Company Bylaws</U>&#148;), and equivalent organizational documents of the Company&#146;s significant
subsidiaries (as defined in Regulation <FONT STYLE="white-space:nowrap">S-X</FONT> promulgated under the Securities Act) and of each of the Company&#146;s Subsidiaries that is not a wholly owned Subsidiary, in each case as amended to the date of
this Agreement, and each as so delivered is in full force and effect. The Company is not in violation of any provision of the Company Charter or Company Bylaws in any material respect. None of the Company&#146;s Subsidiaries is in violation of its
certificate of incorporation and bylaws, or equivalent organizational or governing documents, in each case, except for violations that have not had and would not reasonably be expected to have, individually or in the aggregate, a Material Adverse
Effect. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_18"></A>Section&nbsp;3.2 <U>Capital Stock; Equity Awards; Warrants</U>. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(a) The authorized capital stock of the Company consists of (a)&nbsp;150,000,000 Shares and (b)&nbsp;1,000,000 shares of preferred stock, par
value $0.0001 per share (the &#147;<U>Preferred Stock</U>&#148;). As of July&nbsp;22, 2022 (the &#147;<U>Measurement Date</U>&#148;) (i)&nbsp;48,594,834 Shares were issued and outstanding, all of which were validly issued, fully paid and
nonassessable and were free of preemptive rights, (ii)&nbsp;no Shares were held in treasury, (iii)&nbsp;no shares of Preferred Stock were outstanding, (iv)&nbsp;an aggregate of 2,192,120 Shares were subject to or otherwise deliverable in connection
with outstanding Company RSUs and Company PSUs (at the target level of performance) or the exercise of outstanding Company Stock Options issued pursuant to the Company Equity Plans, (v)&nbsp;5,308,677 warrants subject to the SPAC Warrant Agreement
(the &#147;<U>SPAC Warrants</U>&#148;) were issued and outstanding exercisable for 2,654,339 Shares, in the aggregate, at an exercise price of $5.75 per half-Share, (vi)&nbsp;warrants to purchase no more than 813,288 Shares were issuable under the
Equity Commitment Agreement and the Preferred Stock Exchange Agreement (the &#147;<U>Anti-Dilution Warrants</U>&#148;), (vii)&nbsp;4,327,322 warrants subject to the <FONT STYLE="white-space:nowrap">Pre-Funded</FONT> Warrant Agreement (the &#147;<U><FONT
STYLE="white-space:nowrap">Pre-Funded</FONT> Warrants</U>&#148;) were issued and outstanding exercisable for 4,327,322 Shares, in the aggregate, at an exercise price of $0.0001 per Share and (viii)&nbsp;92,359 warrants subject to the Series&nbsp;B
Warrant Agreement (the &#147;<U>Series</U><U></U><U>&nbsp;B Warrants</U>&#148;) were issued and outstanding exercisable for 92,359 Shares, in the aggregate, at an exercise price of $0.0001 per Share. From the Measurement Date to the date of this
Agreement, the Company has not issued or granted any Shares, Company RSUs, Company PSUs, Company Stock Options or Company Warrants, other than Shares issued upon the exercise of Company Warrants or exercise or settlement of Company Equity Awards, in
each case, outstanding as of the Measurement Date in accordance with their terms. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(b) As of the date of this Agreement, an aggregate of
895,557 Shares were reserved for issuance pursuant to the Company Equity Plans not yet granted under the Company Equity Plans (in each case, not including the Company ESPP). Section&nbsp;3.2(b)&nbsp;of the Company Disclosure Letter sets forth as of
the date of this Agreement a list of each outstanding Company Equity Award granted under the Company Equity Plans and: (A)&nbsp;the name of the holder of such Company Equity Award; (B)&nbsp;the number of Shares subject to such outstanding Company
Equity Award; (C)&nbsp;if applicable, the exercise price, purchase price, or similar pricing of such Company Equity Award; (D)&nbsp;the date on which such Company Equity Award was granted or issued; and (E)&nbsp;with respect to Company Stock
Options, the date on which such Company Stock Option expires. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(c) All Shares subject to issuance under the Company Equity Plans, upon
issuance in accordance with the terms and conditions specified in the instruments pursuant to which they are issuable, will be duly authorized, validly issued, fully paid, and <FONT STYLE="white-space:nowrap">non-assessable.</FONT> Except for the
Company Equity Plans and as set forth in Section&nbsp;3.2(b)&nbsp;of the Company Disclosure Letter, there are no Contracts to which the Company or any of its Subsidiaries is a party obligating the Company or any of its Subsidiaries to accelerate the
vesting of any Company Equity Award as a result of the transactions contemplated by this Agreement (whether alone or upon the occurrence of any additional or subsequent events). The Company has previously delivered or otherwise made available to
Parent a true, complete and correct copies of a form of: SPAC Warrant Agreement, Series&nbsp;B Warrant Agreement, the <FONT STYLE="white-space:nowrap">Pre-Funded</FONT> Warrant Agreement and the other Contracts to which the Company or any of its
Subsidiaries is party with respect to the Company Warrants, in each case as amended to the date of this Agreement. </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">A-10 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(d) Except as set forth above and except for changes since the Measurement Date resulting
from the exercise of Company Stock Options or Company Warrants outstanding on such date, as of the date of this Agreement, (A)&nbsp;there are not outstanding, authorized, issued, or reserved for issuance any (1)&nbsp;shares of capital stock or other
voting securities of the Company, (2)&nbsp;securities or interests of the Company or any of its Subsidiaries convertible into or exchangeable for shares of capital stock or voting securities of the Company or (3)&nbsp;options, warrants or other
rights to acquire from the Company or any of its Subsidiaries, or any obligation of the Company or any of its Subsidiaries to issue, sell or transfer, any capital stock, voting securities or securities or interests convertible into or exchangeable
for capital stock or voting securities of the Company, (B)&nbsp;there are no other outstanding or authorized options, calls, warrants or other rights, agreements, arrangements or commitments of any character relating to the issued or unissued
capital stock of the Company to which the Company or any of its Subsidiaries is a party or is bound and (C)&nbsp;there are no outstanding or authorized restricted shares, restricted stock units, performance shares, contingent value rights, stock
appreciation, phantom stock, profit participation or similar rights with respect to the securities of the Company to which the Company or any of its Subsidiaries is a party or is bound. All outstanding Shares, all outstanding Company Equity Awards,
all outstanding Company Warrants, and all outstanding shares of capital stock, voting securities, or other ownership interests in any Subsidiary of the Company, have been issued or granted, as applicable, in compliance in all material respects with
all applicable securities Laws. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(e) The Company and its Subsidiaries have no authorized or outstanding Indebtedness the holders of which
have the right to vote (or convertible into, exchangeable for, or evidencing the right to subscribe for or acquire securities having the right to vote) with the stockholders of the Company on any matter. There are no Contracts to which the Company
or any of its Subsidiaries is a party or by which it is bound, or outstanding obligations of the Company or any of its Subsidiaries to repurchase, redeem or otherwise acquire any capital stock, voting securities, securities or interests convertible
into or exchangeable for capital stock or voting securities of the Company. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(f) Each of the outstanding shares of capital stock or other
equity interests of each of the Company&#146;s Subsidiaries is duly authorized, validly issued, fully paid and nonassessable and all such shares or other equity interests are owned by the Company or another wholly-owned Subsidiary of the Company and
are owned free and clear of all security interests, liens, claims, pledges, agreements, limitations in voting rights, charges or other encumbrances (collectively, other than encumbrances under applicable securities Laws, &#147;<U>Liens</U>&#148;) of
any nature whatsoever, except where any such failure to own any such shares free and clear would not, individually or in the aggregate, reasonably be expected to have a Material Adverse Effect. Section&nbsp;3.2(f)&nbsp;of the Company Disclosure
Letter sets forth a true, complete and correct list of each Subsidiary of the Company and its jurisdiction of incorporation or organization. As of the date of this Agreement, (A)&nbsp;there are no outstanding (1)&nbsp;securities of the Company or
any of its Subsidiaries convertible into or exchangeable for shares of capital stock, other equity interests, voting securities or interests of any Subsidiary of the Company or (2)&nbsp;options, warrants or other rights to acquire from the Company
or any of its Subsidiaries, or any obligation of the Company or any of its Subsidiaries to issue, sell or transfer, any capital stock, other equity interests, voting securities, securities or interests convertible into or exchangeable for capital
stock, other equity interests, voting securities or interests of any Subsidiary of the Company, (B)&nbsp;there are no other outstanding or authorized options, calls, warrants or other rights, agreements, arrangements or commitments of any character
relating to the issued or unissued capital stock or other equity interests of any Subsidiary of the Company to which the Company or any of its Subsidiaries is a party or is bound, and (C)&nbsp;there are no outstanding or authorized restricted
shares, restricted stock units, performance shares, contingent value rights, stock appreciation, phantom stock, profit participation or similar rights with respect to the securities or interest of any Subsidiary of the Company to which the Company
or any of its Subsidiaries is a party or is bound. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_19"></A>Section&nbsp;3.3 <U>Authority</U>. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(a) The Company has all necessary corporate power and authority to execute and deliver this Agreement, to perform its obligations hereunder
and, subject to the adoption and approval of this Agreement by </P>
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the holders of at least a majority in combined voting power of the outstanding Shares (the &#147;<U>Company Stockholder Approval</U>&#148;), to consummate the transactions contemplated hereby.
The execution, delivery and performance of this Agreement by the Company and the consummation by the Company of the transactions contemplated hereby have been duly authorized by all necessary corporate action on the part of the Company and no other
corporate proceedings on the part of the Company are necessary to authorize this Agreement or to consummate the transactions contemplated hereby, subject, in the case of the consummation of the Merger, to obtaining the Company Stockholder Approval.
This Agreement has been duly executed and delivered by the Company and, assuming the due authorization, execution and delivery by Parent and Merger Sub, constitutes a legal, valid and binding obligation of the Company, enforceable against the
Company in accordance with its terms (except to the extent that enforceability may be limited by applicable bankruptcy, insolvency, moratorium, reorganization or similar Laws affecting the enforcement of creditors&#146; rights generally or by
general principles of equity). </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(b) The Company Board, at a meeting duly called and held, (i)&nbsp;determined that this Agreement and the
transactions contemplated hereby, including the Merger, upon the terms and subject to the conditions set forth herein and therein, are fair to, and in the best interests of, the Company and its stockholders, (ii)&nbsp;approved and declared advisable
this Agreement and the transactions contemplated hereby (iii)&nbsp;directed that this Agreement be submitted to a vote of the Company&#146;s stockholders for adoption at the Company Stockholders Meeting and (iv)&nbsp;subject to Section&nbsp;5.4, has
resolved to recommend that the Company&#146;s stockholders approve this Agreement and the transactions contemplated hereby, including the Merger (the &#147;<U>Company Board Recommendation</U>&#148;). </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(c) The Company Stockholder Approval is the only vote or consent of the holders of any class or series of capital stock of the Company
necessary to approve this Agreement or the Merger or the other transactions contemplated hereby. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_20"></A>Section&nbsp;3.4 <U>No Conflict; Consents and Approvals</U>. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(a) The execution, delivery and performance of this Agreement by the Company, and the consummation by the Company of the transactions
contemplated hereby, do not and will not (i)&nbsp;conflict with or violate the Company Charter or Company Bylaws or the equivalent organizational documents of any of the Company&#146;s Subsidiaries, (ii)&nbsp;assuming that all consents, approvals
and authorizations contemplated by clauses&nbsp;(i)&nbsp;through (v)&nbsp;of subsection&nbsp;(b)&nbsp;below have been obtained and all notices and filings described in such clauses have been made, conflict with or violate any law (including common
law), statute, rule, regulation, code, ordinance, treaty, order, judgment, decree or other requirement of any Governmental Entity (collectively, &#147;<U>Law</U>&#148;) applicable to the Company or any of its Subsidiaries or by which any of their
respective properties are bound or (iii)&nbsp;result in any breach or violation of, or constitute a default (or an event which with notice or lapse of time or both would become a default) under, or result in the loss of a benefit under or the
imposition of any additional payment or other liability under, or give rise to any right of termination, cancellation, amendment or acceleration of, any note, bond, mortgage, indenture, contract, agreement, arrangement, commitment, lease, license,
permit or other instrument or obligation (each, a &#147;<U>Contract</U>&#148;) to which the Company or any of its Subsidiaries is a party or by which the Company or any of its Subsidiaries or any of their respective properties are bound, except, in
the case of clauses&nbsp;(ii)&nbsp;and (iii), for any such conflict, breach, violation, default, loss, right or other occurrence that would not, individually or in the aggregate, reasonably be expected to have a Material Adverse Effect or materially
delay or materially impede the performance by the Company of its obligations under this Agreement or the consummation of the Merger or any of the other transactions contemplated hereby. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(b) The execution, delivery and performance of this Agreement by the Company, and the consummation by the Company of the transactions
contemplated hereby, do not and will not require any consent, approval, authorization or permit of, action by, filing with or notification to, any Governmental Entity except for (i)&nbsp;such filings as may be required under applicable requirements
of the Securities Exchange Act of 1934, as amended (the &#147;<U>Exchange Act</U>&#148;) and the rules&nbsp;and regulations promulgated thereunder, the Securities Act of 1933, as amended (the &#147;<U>Securities Act</U>&#148;) and under state
securities, takeover and &#147;blue sky&#148; laws, (ii)&nbsp;the filings required under the Hart-Scott-Rodino Antitrust Improvements Act of 1976, as amended, and the rules&nbsp;and </P>
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regulations thereunder (the &#147;<U>HSR Act</U>&#148;), (iii)&nbsp;such filings as necessary to comply with the applicable requirements of The Nasdaq Stock Market (&#147;<U>Nasdaq</U>&#148;) or
the New York Stock Exchange (&#147;<U>NYSE</U>&#148;), (iv)&nbsp;the filing with the Secretary of State of the State of Delaware of the Certificate of Merger as required by the DGCL and (v)&nbsp;any such other consent, approval, authorization,
permit, action, filing or notification the failure of which to make or obtain would not, individually or in the aggregate, reasonably be expected to have a Material Adverse Effect or materially delay or materially impede the performance by the
Company of its obligations under this Agreement or the consummation of the Merger or any of the other transactions contemplated hereby. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_21">
</A>Section&nbsp;3.5 <U>SEC Reports; Financial Statements</U>. </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(a) The Company has timely filed, furnished or otherwise transmitted all
registration statements, prospectuses, forms, schedules, reports, statements, certifications and other documents (including all exhibits, schedules, amendments and supplements thereto and all other information incorporated by reference) required to
be filed by it with the U.S. Securities and Exchange Commission (the &#147;<U>SEC</U>&#148;) since January&nbsp;1, 2020 (all such registration statements, prospectuses, forms, schedules, reports, statements, certifications and other documents filed
since January&nbsp;1, 2020, collectively, the &#147;<U>Company SEC Documents</U>&#148;). As of their respective dates, or, if amended or superseded by a subsequent filing prior to the date hereof, as of the date of the last such amendment or
superseding filing (and, in the case of registration statements and proxy statements, on the dates of effectiveness and the dates of the relevant meetings, respectively), each of the Company SEC Documents complied as to form in all material respects
with the applicable requirements of the Securities Act and the Exchange Act, and the applicable rules&nbsp;and regulations promulgated thereunder, as the case may be, each as in effect on the date so filed. As of their respective filing dates (or,
if amended or superseded by a subsequent filing prior to the date hereof, as of the date of such amendment or superseding filing), none of the Company SEC Documents contained any untrue statement of a material fact or omitted to state a material
fact required to be stated or incorporated by reference therein or necessary in order to make the statements therein, in the light of the circumstances under which they were made, not misleading. To the knowledge of the Company, none of the Company
SEC Documents is the subject of ongoing SEC review or outstanding SEC investigation and there are no outstanding or unresolved comments received from the SEC with respect to any of the Company SEC Documents. None of the Company&#146;s Subsidiaries
is required to file or furnish any forms, reports, or other documents with the SEC and neither the Company nor any of its Subsidiaries is required to file or furnish any forms, reports, or other documents with any securities regulation (or similar)
regime of a <FONT STYLE="white-space:nowrap">non-United</FONT> States Governmental Entity. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(b) The consolidated financial statements of
the Company (including any related notes and schedules thereto) included in or incorporated by reference into the Company SEC Documents (i)&nbsp;complied as to form in all material respects with the published rules&nbsp;and regulations of the SEC
with respect thereto as of their respective dates; (ii)&nbsp;were prepared in accordance with United States generally accepted accounting principles (&#147;<U>GAAP</U>&#148;) applied on a consistent basis throughout the periods involved (except as
may be indicated in the notes thereto and in the case of unaudited quarterly financial statements, as may be permitted by the SEC for Quarterly Reports on <FONT STYLE="white-space:nowrap">Form&nbsp;10-Q</FONT> or by other rules&nbsp;and regulations
of the SEC); and (iii)&nbsp;fairly present in all material respects the consolidated financial position of the Company and its Subsidiaries at the respective dates thereof and the results of their operations and cash flows for the periods indicated,
subject, in the case of unaudited interim financial statements, to normal and <FONT STYLE="white-space:nowrap">year-end</FONT> audit adjustments as permitted by the applicable rules&nbsp;and regulations of the SEC (but only if the effect of such
adjustments would not, individually or in the aggregate, be material). </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(c) The Company maintains disclosure controls and procedures
required by <FONT STYLE="white-space:nowrap">Rule&nbsp;13a-15</FONT> or <FONT STYLE="white-space:nowrap">15d-15</FONT> under the Exchange Act. Such disclosure controls and procedures are designed to ensure that all information required to be
disclosed by the Company in its filings with the SEC under the Exchange Act is recorded, processed, summarized and reported on a timely basis to the Company&#146;s management as appropriate to allow timely decisions regarding required disclosure and
to make the certifications of the chief executive officer and chief financial officer of the Company required under the Exchange Act with respect to such filings. The Company maintains internal control over financial reporting (as defined in <FONT
STYLE="white-space:nowrap">Rule&nbsp;13a-15</FONT> or <FONT STYLE="white-space:nowrap">15d-15,</FONT> as applicable, </P>
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under the Exchange Act). Such internal control over financial reporting is designed to provide reasonable assurance regarding the reliability of financial reporting and the preparation of
financial statements for external purposes in accordance with GAAP. Since January&nbsp;1, 2020, neither the Company, nor to the knowledge of the Company, any of the Company&#146;s auditors and the audit committee of the Company Board has identified
or been made aware of (i)&nbsp;any significant deficiencies and material weaknesses in the design or operation of its internal controls over financial reporting that are reasonably likely to adversely affect the Company&#146;s ability to record,
process, summarize and report financial information and (ii)&nbsp;any fraud, whether or not material, that involves the Company&#146;s management or other employees who have a significant role in the preparation of the Company&#146;s financial
statements or internal control over financial reporting. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(d) Except as described in the Company SEC Documents filed as of the date of
this Agreement, neither the Company nor any of its Subsidiaries is a party to, or has any Contract to become a party to: (i)&nbsp;any joint venture, <FONT STYLE="white-space:nowrap">off-balance</FONT> sheet partnership, or any similar Contract
(including any Contract relating to any transaction or relationship between or among the Company or any of its Subsidiaries, on the one hand, and any unconsolidated affiliate, including any structured finance, special purpose, or limited purpose
Person, on the other hand); or (ii)&nbsp;any <FONT STYLE="white-space:nowrap">&#147;off-balance</FONT> sheet arrangements&#148; (as defined in Item 303(a)&nbsp;of Regulation <FONT STYLE="white-space:nowrap">S-K</FONT> promulgated by the SEC) where
the purpose of such Contract is to avoid disclosure of any material transaction involving, or material liabilities of, the Company in the Company&#146;s published financial statements or any Company SEC Documents. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_22"></A>Section&nbsp;3.6 <U>No Undisclosed Liabilities</U>. Neither the Company nor any of its Subsidiaries has any
liabilities or obligations of any nature, whether or not accrued, absolute, contingent, matured, unmatured, determined, determinable or otherwise, and whether or not required to be recorded or reflected on a balance sheet under GAAP (or the notes
thereto), except for liabilities and obligations (a)&nbsp;reflected or reserved against in the Company&#146;s consolidated balance sheet as of March&nbsp;31, 2022 (or the notes thereto) included in the Company SEC Documents, (b)&nbsp;incurred in the
ordinary course of business since April&nbsp;1, 2022, (c)&nbsp;which have been discharged or paid in full prior to the date of this Agreement in the ordinary course of business, (d)&nbsp;incurred pursuant to the transactions contemplated by this
Agreement and (e)&nbsp;
that would not, individually or in the aggregate, reasonably be expected to have a Material Adverse Effect. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_23"></A>Section&nbsp;3.7
 <U>Certain Information</U>. None of the information supplied or to be supplied by the Company for inclusion or incorporation by reference in (a)&nbsp;the <FONT STYLE="white-space:nowrap">Form&nbsp;S-4</FONT> to be filed with the SEC by Parent in
connection with the registration under the Securities Act of the shares of Parent Common Stock to be issued in connection with the Merger (as amended or supplemented from time to time (the
&#147;<U>Form</U><U></U><U><FONT STYLE="white-space:nowrap">&nbsp;S-4</FONT></U>&#148;)) will, at the time the <FONT STYLE="white-space:nowrap">Form&nbsp;S-4</FONT> is filed with the SEC, at any time it is amended or supplemented or at the time it
becomes effective under the Securities Act, contain any untrue statement of any material fact or omit to state any material fact required to be stated therein or necessary in order to make the statements therein, at the time and in light of the
circumstances under which they were made, not false or misleading and (b)&nbsp;the proxy statement to be sent to the stockholders of the Company in connection with the Company Stockholders Meeting (such proxy statement, as amended or supplemented,
the &#147;<U>Proxy Statement</U>&#148;) will, on the date the Proxy Statement is first mailed to the Company stockholders or at the time the Proxy Statement (or any amendment or supplement thereto) is filed with the SEC or on the date of the Company
Stockholders&#146; Meeting, contain any untrue statement of any material fact or omit to state any material fact required to be stated therein or necessary in order to make the statements therein, at the time and in light of the circumstances under
which they were made, not false or misleading. Notwithstanding the foregoing, the Company make no representation or warranty with respect to any information supplied by the Parent, Merger Sub or any of their Representatives. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_24"></A>Section&nbsp;3.8 <U>Absence of Certain Changes or Events</U>. (a)&nbsp;Since January&nbsp;1, 2022 through the
date of this Agreement, except as otherwise contemplated or permitted by this Agreement, the businesses of the Company and its Subsidiaries have been conducted in the ordinary course of business in all material respects (other than to comply with
any Public Health Measures), (b)&nbsp;from January&nbsp;1, 2022 through the date hereof, there has not been any event, change, occurrence or effect that, individually or in the aggregate, together with all other events,
</P>
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changes, occurrences or effects, has had or would reasonably be expected to have a Material Adverse Effect and (c)&nbsp;without limiting the generality of clause (a), except as set forth on
Section&nbsp;3.8(c)&nbsp;of the Company Disclosure Letter, since January&nbsp;1, 2022 through the date hereof, neither the Company nor any of its Subsidiaries has taken or failed to take any action that, if taken or failed to be taken after the date
hereof, would require consent of Parent pursuant to Section&nbsp;
5.1(b)(i), (ii), (iv), (v), (vii), (xii), or (xiv). </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_25"></A>Section&nbsp;3.9 <U>Litigation</U>. Except as would
not, individually or in the aggregate, reasonably be expected to have a Material Adverse Effect or as of the date hereof materially delay or materially impede the performance by the Company of its obligations under this Agreement or the consummation
of the Merger or any of the other transactions contemplated hereby, (a)&nbsp;there is no suit, claim, action, proceeding, arbitration, mediation or investigation by or before any Governmental Entity (each, an &#147;<U>Action</U>&#148;) pending or,
to the knowledge of the Company, threatened against the Company or any of its Subsidiaries or any of their respective properties or assets or, to the knowledge of the Company, any officer or director of the Company or any of its Subsidiaries in
their capacities as such and (b)&nbsp;neither the Company nor any of its Subsidiaries nor any of their respective properties or assets is or are subject to any judgment, order, injunction, rule, decision, award or decree of any Governmental Entity.
</P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_26"></A>Section&nbsp;3.10 <U>Compliance with Laws</U>. Except with respect to ERISA, Environmental Matters and
Taxes (which are the subject of Sections&nbsp;3.11, 3.13 and 3.14, respectively), the Company and each of its Subsidiaries are, and have been since January&nbsp;1, 2020, in compliance with all Laws applicable to them or by which any of their
respective businesses or properties are bound, except where any <FONT STYLE="white-space:nowrap">non-compliance</FONT> would not, individually or in the aggregate, reasonably be expected to have a Material Adverse Effect or materially delay or
materially impede the performance by the Company of its obligations under this Agreement or the consummation of the Merger or any of the other transactions contemplated hereby. Since January&nbsp;1, 2020, no Governmental Entity has issued any notice
or notification to the Company or any of its Subsidiaries stating that the Company or any of its Subsidiaries is not in compliance with any Law, except where such <FONT STYLE="white-space:nowrap">non-compliance</FONT> would not reasonably be
expected to have, individually or in the aggregate, a Material Adverse Effect. Except with respect to Permits required pursuant to Environmental Laws (which are the subject of Section&nbsp;3.13), the Company and its Subsidiaries have in effect all
permits, licenses, registrations, qualifications, certificates, consents, exemptions, authorizations, franchises, orders and approvals of all Governmental Entities (collectively, &#147;<U>Permits</U>&#148;) necessary for them to own, lease or
operate their properties and to carry on their businesses as now conducted, except for any Permits the absence of which would not, individually or in the aggregate, reasonably be expected to have a Material Adverse Effect. All Permits are in full
force and effect, and there has occurred no default or <FONT STYLE="white-space:nowrap">non-compliance</FONT> under any Permits by the Company or any of its Subsidiaries, in each case except where the failure to be in full force and effect and to be
in compliance would not, individually or in the aggregate, reasonably be expected to have a Material Adverse Effect. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_27">
</A>Section&nbsp;3.11 <U>Benefit Plans</U>. </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(a) Section&nbsp;3.11(a)&nbsp;of the Company Disclosure Letter sets forth a true, complete and
correct list, as of the date hereof, of each material Company Plan. &#147;<U>Company Plan</U>&#148; means each &#147;employee benefit plan&#148; (within the meaning of section 3(3)&nbsp;of the Employee Retirement Income Security Act of 1974, as
amended (&#147;<U>ERISA</U>&#148;)), &#147;multiemployer plans&#148; (within the meaning of ERISA section&nbsp;3(37)), and each stock purchase, equity or equity-based compensation, stock option, severance, employment,
<FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">change-in-control,</FONT></FONT> fringe benefit, bonus, incentive, deferred compensation and all other employee benefit plans, agreements, programs, policies or other arrangements,
whether or not subject to ERISA (including any funding mechanism therefor now in effect or required in the future as a result of the transactions contemplated by this Agreement or otherwise), whether formal or informal, written, legally binding or
not, under which any employee or former employee of the Company or its Subsidiaries has any present or future right to benefits or the Company or its Subsidiaries has had or has any present or future material liability. With respect to each material
Company Plan, the Company has furnished or made available to Parent a current, accurate and complete copy thereof (or to the extent that no such copy exists, a written description thereof) and, to the extent applicable: (i)&nbsp;any related trust
agreement or other </P>
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funding instrument, (ii)&nbsp;the most recent determination or opinion letter from the Internal Revenue Service (the &#147;<U>IRS</U>&#148;), if applicable, (iii)&nbsp;any summary plan
description and other equivalent written communications by the Company or its Subsidiaries to their employees concerning the extent of the benefits provided under a Company Plan and (iv)&nbsp;if applicable, for the two most recent years (A)&nbsp;the
Form&nbsp;5500 and attached schedules, (B)&nbsp;audited financial statements, (C)&nbsp;actuarial valuation reports, (D)&nbsp;attorney&#146;s response to an auditor&#146;s request for information and (E)&nbsp;all material correspondence regarding the
Company Plan with any Governmental Entity. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(b) With respect to the Company Plans, except to the extent that the inaccuracy of any of the
representations set forth in this Section&nbsp;3.11(b)&nbsp;would not, individually or in the aggregate, reasonably be expected to have a Material Adverse Effect: </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(i) each Company Plan has been established and administered in accordance with its terms and in compliance with the applicable provisions of
ERISA and the Code, and no prohibited transaction, as described in Section&nbsp;406 of ERISA or Section&nbsp;4975 of the Code, has occurred with respect to any Company Plan, and all contributions required to be made under the terms of any Company
Plan have been timely made; </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(ii) each Company Plan intended to be qualified under Section&nbsp;401(a)&nbsp;of the Code has received a
favorable determination, advisory and/or opinion letter, as applicable, from the IRS that it is so qualified (or the deadline for obtaining such a letter has not expired as of the date of this Agreement) and, to the knowledge of the Company, nothing
has occurred since the date of such letter that would reasonably be expected to cause the loss of such qualified status of such Company Plan; </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(iii) there is no Action (including any investigation, audit or other administrative proceeding) by the Department of Labor, the Pension
Benefit Guaranty Corporation, the IRS or any other Governmental Entity or by any plan participant or beneficiary pending, or to the knowledge of the Company, threatened, relating to the Company Plans, any fiduciaries thereof with respect to their
duties to the Company Plans or the assets of any of the trusts under any of the Company Plans (other than routine claims for benefits); </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(iv) each agreement, arrangement, contract or plan, whether or not a Company Plan, that constitutes in any part of a nonqualified deferred
compensation plan within the meaning of Section&nbsp;409A of the Code and that is subject to Section&nbsp;409A of the Code has been operated and maintained in operational and documentary compliance with Section&nbsp;409A of the Code and applicable
guidance thereunder during the respective time periods in which such operational or documentary compliance has been required; and </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(v)
the Company and its Subsidiaries do not maintain any Company Plan that is a &#147;group health plan&#148; (as such term is defined in Section&nbsp;5000(b)(1)&nbsp;of the Code) that has not been administered and operated in all respects in compliance
with the applicable requirements of Section&nbsp;601 of ERISA and Section&nbsp;4980B(b)&nbsp;of the Code, and the Company and its Subsidiaries are not subject to any material liability, including additional contributions, fines, penalties or loss of
tax deduction as a result of such administration and operation. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(c) No Company Plan is and neither the Company, its Subsidiaries nor any
Person organized under the laws of the United States or operating therein that is or would be aggregated and treated as a single employer with the Company or any of its Subsidiaries under Section&nbsp;414(b), (c), (m), or (o)&nbsp;of the Code has,
in the past 6 years, maintained, established, contributed to or been obligated to contribute to any plan that is (i)&nbsp;subject to Title IV of ERISA or subject to Section&nbsp;302 or 412 of the Code or (ii)&nbsp;a &#147;multiemployer plan&#148;
(within the meaning of Section&nbsp;3(37) of ERISA or Section&nbsp;4001(a)(3)&nbsp;of ERISA) (&#147;<U>Multiemployer Plan</U>&#148;). With respect to each Multiemployer Plan, (i)&nbsp;no unsatisfied withdrawal liability within the meaning of Title
IV of ERISA has ever been incurred by the Company or any of its Subsidiaries, nor has the Company or any of its Subsidiaries received notice that any such Multiemployer Plan has undergone or is expected to undergo a mass withdrawal or termination
(or treatment of a plan amendment as termination), (ii)&nbsp;to the knowledge of the Company, no such plan has been terminated or is insolvent (within the meaning of Section&nbsp;4245 of ERISA) so as to result directly or indirectly in any increase
in contributions or other liability (contingent or otherwise) to the Company or any of its </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">A-16 </P>

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Subsidiaries, (iii)&nbsp;to the knowledge of the Company, no such plan has incurred a minimum funding deficiency or received or applied for a waiver of the minimum funding standards under
Section&nbsp;412 of the Code and (iv)&nbsp;to the knowledge of the Company, no Multiemployer Plan is in critical or endangered status or the subject of any rehabilitation plan. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(d) No Company Plan provides for any post-employment or postretirement medical or life insurance benefits for retired, former or current
employees or beneficiaries or dependents thereof, except as required by Section&nbsp;4980B of the Code. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(e) None of the Company Plans
provides for payment of a benefit, the increase of a benefit amount, the payment of a contingent benefit or the acceleration of the payment or vesting of a benefit determined or occasioned, in whole or in part, by reason of the execution of this
Agreement or the consummation of the transactions contemplated hereby, and no such payment will be nondeductible to the Company pursuant to Section&nbsp;280G of the Code. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(f) The Company has no obligation to indemnify, gross up or otherwise reimburse any individual for any Tax incurred pursuant to
Section&nbsp;409A or 4999 of the Code, or any interest or penalty related thereto. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_28"></A>Section&nbsp;3.12
<U>Labor Matters</U>. </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(a) Except as set forth on Section&nbsp;3.12 of the Company Disclosure Letter, the Company is not a party to or
otherwise bound by any collective bargaining agreement, Contract or other labor-related agreement, arrangement or understanding with a labor or trade union, or labor organization or works council (each, a &#147;<U>Labor Agreement</U>&#148;), nor is
any such Labor Agreement presently being negotiated, nor are there any employees of the Company or any of its Subsidiaries represented by a labor or trade union, employee representative body, labor organization or works council. The Company has made
available to Parent a true, complete and correct copy of each Labor Agreement and all material amendments thereto. There are no organizing activities, representation campaigns, certification proceedings or petitions seeking a representation
proceeding pending or, to the knowledge of the Company, threatened by or with respect to any of the employees of the Company or any of its Subsidiaries. Since January&nbsp;1, 2019, there has not been any, and there are no pending or, to the
knowledge of the Company, threatened strikes, walkouts, lockouts, slowdowns or other labor stoppages&nbsp;against or affecting the Company or its Subsidiaries. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(b) The Company and its Subsidiaries are, and since January&nbsp;1, 2019 have been, in compliance with the terms of the Company Plans, any
applicable Labor Agreement and all applicable Laws respecting or relating to recruitment, employment and employment practices, and agency and other workers, including all Laws respecting terms and conditions of employment, health and safety, wages
and hours, worker classification, child labor, immigration, employment discrimination, disability rights or benefits, equal opportunity, plant closures and layoffs, affirmative action, workers&#146; compensation, labor relations, employee leave
issues and unemployment insurance, except where failure to comply has not been, and would not reasonably be expected to be, individually or in the aggregate, have a Material Adverse Effect. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(c) There has been no &#147;mass layoff&#148; or &#147;plant closing&#148; as defined by the Worker Adjustment and Retraining Notification Act
and any similar state or local &#147;mass layoff&#148; or &#147;plant closing&#148; Law with respect to the Company or any of its Subsidiaries during the three-year period ending on the date hereof for which there is any unsatisfied liability. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(d) During the past three years, to the knowledge of the Company, no claims of sexual harassment or sexual misconduct have been brought
against any executive officer or director of the Company or any executive or management employee of the Company or any of its Subsidiaries at the level of Vice President or above. </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">A-17 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_29"></A>Section&nbsp;3.13 <U>Environmental Matters</U>. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(a) Except as would not, individually or in the aggregate, reasonably be expected to have a Material Adverse Effect: (i)&nbsp;the Company and
each of its Subsidiaries are and since January&nbsp;1, 2020 have been, in compliance with all applicable Environmental Laws, and possess and are, and since January&nbsp;1, 2020, have been in compliance with all applicable Environmental Permits
required under such Environmental Laws to operate their respective businesses and properties; (ii)&nbsp;(A)&nbsp;there are no Materials of Environmental Concern at any property (including structures or facilities located thereon) owned, leased or
operated by the Company or any of its Subsidiaries, (B)&nbsp;there have been no Releases of Materials of Environmental Concerns at, on, about, under or migrating from any property currently or, to the knowledge of the Company, formerly owned, leased
or operated by the Company or any of its Subsidiaries, except in each case of (A)&nbsp;and (B)&nbsp;under circumstances that are not reasonably likely to result in liability or obligation of the Company or any of its Subsidiaries under any
applicable Environmental Law; (iii)&nbsp;neither the Company nor any of its Subsidiaries has received any written request for information pursuant to section&nbsp;104(e)&nbsp;of the Comprehensive Environmental Response, Compensation and Liability
Act or similar state statute, concerning any Release or threatened Release of Materials of Environmental Concern at any location except, with respect to any such request for information concerning any such release or threatened release, to the
extent such matter has been resolved with the appropriate foreign, federal, state or local regulatory authority or otherwise with no outstanding liability or obligation; (iv)&nbsp;neither the Company nor any of its Subsidiaries has received any
written notice, claim or complaint, or is presently subject to any Action, relating to noncompliance with Environmental Laws or any other liabilities pursuant to Environmental Laws, and no such matter has been threatened in writing (v)&nbsp;neither
the Company nor any Subsidiary is subject to any outstanding order, writ, judgment, award, injunction or decree of any Governmental Entity relating to any Environmental Law; (vi)&nbsp;neither the Company nor any of its Subsidiaries has assumed or
retained, by contract (including any fixed price contract relating to environmental remediation services) or operation of Law, any obligation under any Environmental Law or concerning any Materials of Environmental Concern that could reasonably be
expected to result in liability or any other obligation to the Company or any of its Subsidiaries under any applicable Environmental Law; and (vii)&nbsp;to the knowledge of the Company, there are no past or present conditions, events, circumstances,
facts, activities, practices, incidents, actions, omissions or plans: (A)&nbsp;that may interfere with or prevent continued compliance by the Company or any of its Subsidiaries with Environmental Laws or Environmental Permits, or (B)&nbsp;that may
give rise to any liability or other obligation of the Company or any of its Subsidiaries under any Environmental Laws. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(b)
Notwithstanding any other representations and warranties in this Agreement, the representations and warranties in this Section&nbsp;3.13 are the only representations and warranties in this Agreement with respect to Environmental Laws or Materials of
Environmental Concern. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(c) For purposes of this Agreement, the following terms shall have the meanings assigned below: </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(i) &#147;<U>Environmental Laws</U>&#148; means all foreign, federal, state, or local Laws protecting the environment (including ambient air,
soil, sediment, surface water or groundwater) or human health and safety (to the extent relating to Materials of Environmental Concern) or otherwise relating to pollution, contamination, or the manufacture, processing, distribution, use, treatment,
storage, disposal, transport, handling, Release or threatened Release of Materials of Environmental Concern, in effect as of the date of this Agreement. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(ii) &#147;<U>Environmental Permits</U>&#148; means all permits, licenses, registrations, certifications, waivers, and other authorizations
required under applicable Environmental Laws. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(iii) &#147;<U>Materials of Environmental Concern</U>&#148; means (i)&nbsp;any hazardous,
acutely hazardous, or toxic substance or waste defined, listed or otherwise regulated under applicable Environmental Laws, including the federal Comprehensive Environmental Response, Compensation and Liability Act or the federal Resource
Conservation and Recovery Act, or the Federal Insecticide, Fungicide, and Rodenticide Act, or comparable state laws or (ii)&nbsp;any petroleum product or <FONT STYLE="white-space:nowrap">by-product,</FONT> asbestos-containing material,
lead-containing paint, polychlorinated biphenyls, <FONT STYLE="white-space:nowrap">per-</FONT> and polyfluoroalkyl substances and other emerging contaminants, radioactive material, toxic molds, or radon. </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">A-18 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(iv) &#147;<U>Release</U>&#148; means any release, spill, emission, leaking, pumping,
pouring, emitting, emptying, discharging, injecting, escaping, disposal, dumping, dispersing, leaching or migrating in, into, onto or through the indoor or outdoor environment. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_30"></A>Section&nbsp;3.14 <U>Taxes</U>. Except for failures, violations, inaccuracies, omissions or proceedings that
would not, individually or in the aggregate, reasonably be expected to have a Material Adverse Effect: </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(a) (i)&nbsp;all Tax Returns
required by applicable Law to be filed by or on behalf of the Company or any of its Subsidiaries have been timely filed in accordance with all applicable Laws (after giving effect to any valid extensions of time in which to make such filings), and
all such Tax Returns were, at the time of filing, true, complete and correct, and (ii)&nbsp;the Company and any of its Subsidiaries have complied in all respects with applicable Laws relating to the withholding of Taxes (including any information
reporting requirements); </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(b) the Company and its Subsidiaries have paid (or have had paid on their behalf) all income Taxes and all other
material Taxes due and payable (whether or not shown on any Tax Return); </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(c) no Liens for Taxes exist with respect to any assets or
properties of the Company or any of its Subsidiaries, except for statutory Liens for Taxes not yet delinquent; </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(d) (i)&nbsp;as of the
date of this Agreement, there are no deficiencies, claims, audits, examinations, investigations or other proceedings now ongoing or pending, or to the knowledge of the Company, proposed, asserted, assessed or threatened in writing against or with
respect to the Company or any of its Subsidiaries with respect to any Tax, and (ii)&nbsp;neither the Company nor any of its Subsidiaries has granted any currently effective extension or waiver of the statute of limitations applicable to any Tax
Return nor is the Company or any of its Subsidiaries currently the beneficiary of any extension of time within which to file any Tax Return; </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(e) neither the Company nor any of its Subsidiaries has been a &#147;controlled corporation&#148; or a &#147;distributing corporation&#148; in
any distribution occurring during the <FONT STYLE="white-space:nowrap">two-year</FONT> period ending on the date hereof that was purported or intended to be governed by Section&nbsp;355 of the Code; </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(f) neither the Company nor any of its Subsidiaries has any liability for the Taxes of another person (other than the Company or any of its
Subsidiaries) under Treasury Regulations <FONT STYLE="white-space:nowrap">Section&nbsp;1.1502-6</FONT> or a similar provision of state, local or <FONT STYLE="white-space:nowrap">non-U.S.</FONT> Law or as a transferee or successor, by contract or
otherwise, or is party to any Tax sharing, Tax allocation, Tax indemnity or similar agreement (other than (A)&nbsp;any commercial agreement not primarily related to Taxes or (B)&nbsp;any agreement the only parties to which are the Company and/or its
Subsidiaries); </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(g) neither the Company nor any of its Subsidiaries has participated in a &#147;listed transaction&#148; within the
meaning of Section&nbsp;6707A(c)(2)&nbsp;and Treasury Regulations <FONT STYLE="white-space:nowrap">Section&nbsp;1.6011-4(b)&nbsp;(and</FONT> any comparable provision of state, local or foreign Law (including European Council Directive 2011/16
(&#147;<U>DAC 6</U>&#148;) and domestic implementation of DAC 6)); </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(h) neither the Company nor any of its Subsidiaries will be required
to include any material item of income in, or exclude any material item of deduction from, taxable income for any taxable period (or portion thereof) beginning after the Closing Date as a result of any (A)&nbsp;adjustment under Section&nbsp;481 of
the Code (or any similar provision of state, local or <FONT STYLE="white-space:nowrap">non-U.S.</FONT> Law) required as a result of a change in method of accounting made prior to the Closing, (B)&nbsp;&#147;closing agreement&#148; as described in
Section&nbsp;7121 of the Code (or any similar provision of state, local or <FONT STYLE="white-space:nowrap">non-U.S.</FONT> Law) executed prior to the Closing, (C)&nbsp;installment sale or open transaction disposition made prior to the Closing,
(D)&nbsp;prepaid or deposit amount received, or deferred revenue accrued, prior to the Closing, (E)&nbsp;&#147;deferred gain&#148; with respect to an &#147;intercompany transaction&#148; (effected prior to the Closing) described in Section&nbsp;1502
of the Code, or (F)&nbsp;the application of <FONT STYLE="white-space:nowrap">Section&nbsp;1400Z-2</FONT> or Section&nbsp;965 of the Code; </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">A-19 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(i) neither the Company nor any of its Subsidiaries has (A)&nbsp;any &#147;applicable
employment taxes,&#148; the payment of which has been deferred pursuant to Section&nbsp;2302 of the Coronavirus Aid, Relief, and Economic Security (CARES) Act, (B)&nbsp;received any credits under Sections 7001 through 7005 of the Families First
Coronavirus Response Act (FFCRA) or Section&nbsp;2301 of the CARES Act, or (C)&nbsp;otherwise availed itself of any <FONT STYLE="white-space:nowrap">COVID-19</FONT> relief measures that would reasonably be expected to impact the Tax payment and/or
reporting obligations of the Company or its Subsidiaries after the Closing; </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(j) the Company is not, and has not been in the period
specified in Section&nbsp;897(c)(1)(A)(ii)&nbsp;of the Code, a &#147;United States real property holding corporation&#148; as defined in Section&nbsp;897(c)(2)&nbsp;of the Code; </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(k) the Company and each of its Subsidiaries are in compliance in all material respects with all applicable transfer pricing Laws and
regulations (including, for the avoidance of doubt, Section&nbsp;482 of the Code and the Treasury Regulations promulgated thereunder (and any corresponding provision of state, local or <FONT STYLE="white-space:nowrap">non-U.S.</FONT> Law, as
applicable)) including (A)&nbsp;the execution and maintenance of any required contemporaneous documentation substantiating the transfer pricing practices and methodology of the Company and each of its Subsidiaries and (B)&nbsp;conducting
related-party transactions at arm&#146;s length; </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(l) neither the Company nor any of its Subsidiaries has a permanent establishment, fixed
place of business or other Taxable nexus in a jurisdiction other than the jurisdiction in which it is a Tax resident; </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(m) none of the
Company&#146;s Subsidiaries is or has been a &#147;passive foreign investment company&#148; within the meaning of Section&nbsp;1297 of the Code; and </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(n) Section&nbsp;3.14(n)&nbsp;of the Company Disclosure Letter sets forth the U.S. federal income tax classification of each of the
Company&#146;s Subsidiaries </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(o)As used in this Agreement: </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(i) &#147;<U>Tax Returns</U>&#148; means all domestic or foreign (whether national, federal, state, provincial, local or otherwise) returns,
declarations, statements, reports, schedules, forms, any documents and elections with respect to tax matters, and information returns, or similar filing (including any attachments to such filing), required to be filed relating to Taxes, including
any amended tax return (or similar filing). </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(ii) &#147;<U>Taxes</U>&#148; means (A)&nbsp;federal, state, provincial, local or foreign
taxes of whatever kind or nature imposed by a Governmental Entity, whether the Company or any of its Subsidiaries has filed or not filed a Tax Return in such jurisdiction and whether disputed or not, including taxes on or with respect to income,
franchises, windfall or other profits, gross receipts, property, sales, use, capital stock, escheat, unclaimed property, payroll, employment, unemployment, social security, workers&#146; compensation or net worth, customs, duties, tariffs,
assessments, levies, fines, and taxes in the nature of excise, withholding, ad valorem or value added and (B)&nbsp;liability for amounts described in clause (A)&nbsp;pursuant to Treasury Regulations
<FONT STYLE="white-space:nowrap">Section&nbsp;1.1502-6</FONT> or any similar provision of Law, as transferee or successor, or by contract, as well as all interest, penalties and additions imposed with respect to such foregoing amounts. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Notwithstanding any other provisions of this Agreement to the contrary, the representations made in Section&nbsp;3.11 and this Section&nbsp;3.14 are the sole
and exclusive representations and warranties of the Company in this Agreement with respect to Taxes. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_31"></A>Section&nbsp;3.15 <U>Contracts</U>. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(a) Except for this Agreement and except as listed in Section&nbsp;3.15(a)&nbsp;of the Company Disclosure Letter (including for each
disclosure, reference to the applicable subsection of this Section&nbsp;3.15(a)), as of the date hereof, neither the Company nor any of its Subsidiaries is a party to or is bound by any of the following
</P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">A-20 </P>

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categories of Contracts (it being understood that and any Contract or group of related Contracts with the same party or group of affiliated parties shall be treated as a single Contract in
determining the dollar value of such Contract(s)&nbsp;in relation to any dollar thresholds below) (each such Contract, a &#147;<U>Material Contract</U>&#148;): </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(i) any &#147;material contract&#148; (as defined in Item 601(b)(10)&nbsp;of Regulation <FONT STYLE="white-space:nowrap">S-K</FONT> under the
Securities Act) whether or not filed by the Company with the SEC (except for a Company Plan listed in Section&nbsp;3.11(a)&nbsp;of the Company Disclosure Letter); </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(ii) any Contract that (a)&nbsp;restricts in any material respect the ability of the Company or any of its Subsidiaries to freely engage in
or compete in any line of its business with any Person or anywhere in the world or during any period of time, (b)&nbsp;grants or obligates the Company or any of its Subsidiaries to grant any &#147;most favored nations&#148; pricing provision or
similar rights, and/or (c)&nbsp;restricts in any material respect the ability of the Company or any of its Subsidiaries to engage suppliers, customers or other Persons with which the Company and its Subsidiaries may do business (other than
restrictions on the solicitation or hiring of employees or consultants entered into in the ordinary course of business in all material respects), including &#147;exclusivity,&#148; rights of first refusal or offer or any similar requirement or right
in favor of any third party; </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(iii) any Contract with any third party providing for the purchase of materials, supplies, goods, services,
equipment or other assets (or for the licensing of or grant of rights in or to use Intellectual Property of the Company or any of its Subsidiaries) from the Company or any of its Subsidiaries and that (a)&nbsp;generated revenue from such third party
in excess of $60,000,000 in the aggregate for the Company or any of its Subsidiaries during the year ending December&nbsp;31, 2021 or (b)&nbsp;is expected to generate revenue from such third party in excess of $60,000,000 in any <FONT
STYLE="white-space:nowrap">12-month</FONT> period; </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(iv) any Contract with any third party providing for the purchase of materials,
supplies, goods, services, equipment or other assets (or for the licensing of or grant of rights in or to use Intellectual Property of any third party, other than licenses of commercially available, <FONT STYLE="white-space:nowrap"><FONT
STYLE="white-space:nowrap">off-the-shelf</FONT></FONT> software and other licenses entered into in the ordinary course of business) for which payments by the Company and its Subsidiaries is in excess of $25,000,000 (a)&nbsp;were made during the year
ending December&nbsp;31, 2021, or (b)&nbsp;are expected to be made during any <FONT STYLE="white-space:nowrap">12-month</FONT> period; </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(v) any Contract that provides for payments to or from the Company and its Subsidiaries in excess of $25,000,000 in the aggregate over the
remaining term of such Contract (other than Contracts subject to clauses (iii), (iv)&nbsp;and (vi)&nbsp;hereof); </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(vi) any Contract under
which the Company or any of its Subsidiaries is or may be liable for any Indebtedness in excess of $5,000,000; </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(vii) any Contract with
respect to the creation, formation, governance or control of any partnerships, joint ventures or joint ownership arrangements with third parties; </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(viii) any Contract that (A)&nbsp;relates to the acquisition (whether by merger, sale of equity interests, sale of assets, capital
contribution or otherwise) by the Company or any of its Subsidiaries of any corporation, partnership or other business, organization or division thereof after the date of this Agreement for total potential consideration (including
&#147;earnouts&#148; and other contingent or deferred consideration) of more than $25,000,000 in the aggregate, (B)&nbsp;relates to the disposition (whether by merger, sale of equity interests, sale of assets, capital contribution or otherwise) by
the Company or any of its Subsidiaries of any corporation, partnership or other business, organization or division thereof after the date of this Agreement, for potential consideration of more than $5,000,000 or (C)&nbsp;contains a put, call, right
of first refusal or similar right pursuant to which the Company or any of its Subsidiaries could be required to acquire or dispose of, as applicable, any of the foregoing; </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(ix) any Contract that relates to the sale, transfer or other disposition of a business or assets by the Company or any of its Subsidiaries
pursuant to which the Company or such Subsidiary has any continuing </P>
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indemnification, guarantee, or other contingent, deferred or fixed payment obligations that would reasonably be expected to result in aggregate payments in excess of $5,000,000; </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(x) any Contract with a term exceeding one year after the date of this Agreement which is a financial derivative interest rate hedge with a
value in excess of $5,000,000; </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(xi) any Contracts that are outstanding (A)&nbsp;bid bonds, payment bonds, performance bonds, Tax bonds,
licensing bonds, reclamation bonds, Surety Bonds or any similar undertaking or financial security arrangements or (B)&nbsp;indemnity or underwriting agreements or other Contracts with a surety, in each case in excess of $25,000,000; </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(xii) any Contracts that are Contracts for the employment or engagement of any individual on a full-time, part-time or consulting basis and
provide for annual compensation in excess of $250,000 per year except for any such Contract that may be cancelled without penalty or termination payments by the Company or any of its Subsidiaries upon notice of 30 days or less; </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(xiii) any Contracts that are conciliation, settlement or similar agreements pursuant to which the Company or any of its Subsidiaries will be
required to (x)&nbsp;make payments in excess of $1,000,000 individually or $5,000,000 in aggregate or (y)&nbsp;satisfy any material <FONT STYLE="white-space:nowrap">non-monetary</FONT> obligation; </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(xiv) any Contracts that are with any Affiliates of the Company or any of its Subsidiaries (other than any contract, agreement or instrument
between the Company or any of its wholly owned Subsidiaries and the Company or another of its wholly owned Subsidiaries) (other than Contracts subject to clause (xiv)&nbsp;hereof); or </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(xv) any Contract to enter into any of the foregoing. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(b) True, correct and complete copies of the Material Contracts to which the Company or any of its Subsidiaries is a party as amended through
the date hereof have been made available to Parent. Other than such Material Contracts as have expired in accordance with their respective terms and with respect to which neither the Company nor any of its Subsidiaries has any material liability or
obligation, each Material Contract is valid and binding on the Company and each of its Subsidiaries party thereto and, to the knowledge of the Company, any other party thereto, except for such failures to be valid and binding or to be in full force
and effect that would not, individually or in the aggregate, reasonably be expected to have a Material Adverse Effect. Except as would not, individually or in the aggregate, reasonably be expected to have a Material Adverse Effect, there is no
default under any Material Contract by the Company or any of its Subsidiaries party thereto or, to the knowledge of the Company, any other party thereto, and no event has occurred that with the lapse of time or the giving of notice or both would
constitute a default thereunder by the Company or any of its Subsidiaries party thereto or, to the knowledge of the Company, any other party thereto. None of the Material Contracts has been canceled or otherwise terminated (other than such Material
Contracts as have expired in accordance with their respective terms) and neither the Company nor any of its Subsidiaries has received any written notice from any Person regarding any such cancellation or termination or any material default or, to
the knowledge of the Company, is aware of any facts as of the date hereof that are reasonably likely to lead to such cancellation or termination or material default, in each case with respect to a Material Contract. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_32"></A>Section&nbsp;3.16 <U>Customers and Suppliers</U>. Section&nbsp;3.16 of the Company Disclosure Letter
(including for each disclosure, reference to the applicable subsection of this Section&nbsp;3.16) sets forth a complete and accurate list of (a)&nbsp;the top 10 customers of the Company and its Subsidiaries, based on the dollar amount of
consolidated revenues earned by the Company and its Subsidiaries (i)&nbsp;for the 12 calendar months ended December&nbsp;31, 2021 and (ii)&nbsp;for the five months ended May&nbsp;31, 2022 (collectively, the &#147;<U>Material Customers</U>&#148;),
and (b)&nbsp;the top 10 suppliers of materials, products or services to the Company and its Subsidiaries, based on aggregate total purchases by the Company and its Subsidiaries for (i)&nbsp;the 12 calendar months ended December&nbsp;31, 2021 and
</P>
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(ii)&nbsp;for the five months ended May&nbsp;31, 2022 (collectively, the &#147;<U>Material Suppliers</U>&#148;). As of the date hereof, neither the Company nor any of its Subsidiaries has
received any written notice or, to the knowledge of the Company, any other indication, from any Material Customer that such Material Customer shall not continue as a customer of the Company or that such Material Customer intends to terminate, modify
or not renew existing Contracts or stop or materially decrease or alter (including any reduction in the rate or amount of sales or purchases, change in the prices charged or paid, delay of deliveries, delay or extension of the commencement,
completion or rate of work on any project or component thereof or material change to the supply or credit terms ) its business with the Company or its Subsidiaries, except as has would not reasonably be expected to be material to the Company. As of
the date hereof, neither the Company nor any of its Subsidiaries has received any written notice from any Material Supplier that such Material Supplier shall not continue as a supplier or vendor to the Company or that such Material Supplier intends
to terminate, modify or not renew existing Contracts with the Company or its Subsidiaries, except as has not had and would not reasonably be expected to have, individually or in the aggregate, a Material Adverse Effect. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_33"></A>Section&nbsp;3.17 <U>Insurance</U>. Except as would not, individually or in the aggregate, reasonably be
expected to have a Material Adverse Effect, (a)&nbsp;all insurance policies of the Company and its Subsidiaries are in full force and effect and provide insurance in such amounts and against such risks as the Company reasonably has determined to be
prudent, taking into account the industries in which the Company and its Subsidiaries operate, and as is sufficient to comply with applicable Law, (b)&nbsp;neither the Company nor any of its Subsidiaries is in breach or default, and neither the
Company nor any of its Subsidiaries has taken any action or failed to take any action which, with notice or the lapse of time, would constitute such a breach or default, or permit termination or modification of, any of such insurance policies and
(c)&nbsp;since the most recent renewal date, as of the date hereof, the Company has not received any written notice threatening termination of, or premium increases with respect to, or material alteration of coverage under, any such policies, other
than premium increases or alterations of coverage occurring in the ordinary course during the renewal process for any such policies. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_34">
</A>Section&nbsp;3.18 <U>Properties</U>. </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(a) Except as would not, individually or in the aggregate, have a Material Adverse Effect, the
Company and its Subsidiaries owns and has good and valid title to all of their respective owned real property and good title to all of its tangible personal property and has valid leasehold interests to all properties necessary to conduct their
respective businesses as currently conducted, free and clear of all Liens (except in all cases for title exceptions, defects, encumbrances, liens, charges, restrictions, restrictive covenants and other matters, whether or not of record, which in the
aggregate do not materially affect the continued use of the property for the purposes for which the property is currently being used), assuming the timely discharge of all obligations owing under or related to the owned real property, the tangible
personal property and the leased property. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(b) Section&nbsp;3.18(b)&nbsp;of the Company Disclosure Letter contains a true, complete and
correct list by address of each real property owned by the Company or any of its Subsidiaries as of the date hereof (the &#147;<U>Owned Real Estate</U>&#148;). Except as would not, individually or in the aggregate, have a Material Adverse Effect,
neither the Company nor any of its Subsidiaries: (i)&nbsp;lease or grant any Person the right to use or occupy all or any part of the Owned Real Estate; (ii)&nbsp;other than to Parent, has granted any Person an option, right of first offer, or right
of first refusal to purchase such Owned Real Estate or any portion thereof or interest therein; or (iii)&nbsp;has received written notice of any pending, and to the knowledge of the Company threatened, condemnation proceeding affecting any Owned
Real Estate or any portion thereof or interest therein. Neither the Company nor any Subsidiary is a party to any agreement or option to purchase any real property or interest therein. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(c) Section&nbsp;3.18(c)&nbsp;of the Company Disclosure Letter contains a true, complete and correct list of all leases for each real property
leased by the Company or any of its Subsidiaries as of the date hereof for which the annual rental exceeds $10,000,000. The Company has delivered to Parent a true, complete and correct copy of each such lease. Except as would not, individually or in
the aggregate, have a Material Adverse Effect, with respect to each of the leases for leased real property: (i)&nbsp;such lease is legal, valid, binding, enforceable, and in full </P>
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force and effect; (ii)&nbsp;neither the Company nor any of its Subsidiaries nor, to the knowledge of the Company, any other party to the lease, is in breach or default under such lease, and no
event has occurred or circumstance exists which, with or without notice, lapse of time, or both, would constitute a breach or default under such lease; and (iii)&nbsp;the Company&#146;s or its Subsidiary&#146;s possession and quiet enjoyment of the
leased real property under such lease has not been disturbed, and to the knowledge of the Company, there are no disputes with respect to such lease. Neither the Company nor any of its Subsidiaries has assigned, pledged, mortgaged, hypothecated, or
otherwise transferred any lease or any interest therein nor has the Company or any of its Subsidiaries subleased, licensed, or otherwise granted any Person (other than another wholly owned Subsidiary of the Company) a right to use or occupy such
leased real property or any portion thereof. No representation is made under this Section&nbsp;3.18 with respect to any intellectual property or intellectual property rights, which are the subject of Section&nbsp;3.19. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_35"></A>Section&nbsp;3.19 <U>Intellectual Property</U>. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(a) Section&nbsp;3.19(a)&nbsp;of the Company Disclosure Letter sets forth a true, complete and correct list of all registered trademarks,
service marks or tradenames, patents, patent applications, registered copyrights, applications to register copyright and domain names owned by the Company or any of its Subsidiaries on the date hereof and that are material to the businesses of the
Company and its Subsidiaries, taken as a whole (collectively, &#147;<U>Company Registered IP</U>&#148;). No Company Registered IP is involved in any interference, reissue, reexamination, opposition, cancellation or similar proceeding and, to the
knowledge of the Company, no such action is or has been threatened with respect to any of the Company Registered IP. Except as would not, individually or in the aggregate, reasonably be expected to have a Material Adverse Effect, all Company
Registered IP is owned by the Company or one its Subsidiaries free and clear of all Liens. All Company Registered IP is valid, subsisting and, to the knowledge of the Company, enforceable. All Company Registered IP renewal fees and other maintenance
fees required to be paid on or prior to the effective date of this Agreement have been timely paid. Neither the Company nor any of its Subsidiaries has received any written notice or claim in the year prior to the date hereof challenging the
validity or enforceability of any Company Registered IP that remains pending or unresolved. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(b) Except as would not, individually or in
the aggregate, reasonably be expected to have a Material Adverse Effect, the Company and its Subsidiaries own and possess all right, title and interest in and to, or have the right to use, all Intellectual Property rights necessary for the operation
of the business of the Company and its Subsidiaries as presently conducted. The consummation of the transactions contemplated by this Agreement will not alter or impair in any material respect the Company and its Subsidiaries&#146; right in or to
any Intellectual Property rights used by the Company and its Subsidiaries. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(c) Except as would not, individually or in the aggregate,
reasonably be expected to have a Material Adverse Effect, each of the Company and its Subsidiaries has taken commercially reasonable steps necessary to maintain (i)&nbsp;the secrecy and confidentiality of (A)&nbsp;all trade secrets owned by the
Company or any of its Subsidiaries, (B)&nbsp;information of the Company or its Subsidiaries that derives economic value (actual or potential) from not being generally known to other Persons who can obtain economic value from its disclosure or use,
including taking commercially reasonable steps to safeguard any such information that is accessible through computer systems or networks, and (ii)&nbsp;ownership of all Intellectual Property owned or purported to be owned by the Company or any of
its Subsidiaries. Except as would not be material to the Company, to the knowledge of the Company, no present or former employee, officer, director, agent, outside contractor or consultant of the Company or any of its Subsidiaries holds any right,
title or interest, directly or indirectly, in whole or in part, in or to any Intellectual Property owned or purported to be owned by the Company or any of its Subsidiaries. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(d) Except as would not, individually or in the aggregate, reasonably be expected to have a Material Adverse Effect, (i)&nbsp;the Company and
its Subsidiaries are not infringing upon or misappropriating any Intellectual Property of any third party in connection with the conduct of their respective businesses, and neither the Company nor any of its Subsidiaries has received in the year
prior to the date hereof any written notice or claim </P>
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asserting that any such infringement or misappropriation is occurring, which notice or claim remains pending or unresolved, (ii)&nbsp;to the knowledge of the Company, no third party is
misappropriating or infringing any Intellectual Property owned by the Company or any of its Subsidiaries and (iii)&nbsp;no Intellectual Property owned by the Company or any of its Subsidiaries is subject to any outstanding order, judgment, decree or
stipulation restricting or limiting in any material respect the use or licensing thereof by the Company or any of its Subsidiaries. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(e)
The Company IT Assets (i)&nbsp;are adequate for, and operate and perform in all material respects in accordance with their documentation and functional specifications and otherwise as required in connection with, the operation of the business of the
Company and its Subsidiaries, (ii)&nbsp;are free from material bugs, errors or other defects, (iii)&nbsp;have not materially malfunctioned, crashed, failed, experienced continued substandard performance or other adverse events within the past three
years, and (iv)&nbsp;do not contain any virus, malware, ransomware, Trojan horse, worm, back door, time bomb, drop dead device or other program, routine, instruction, device, code, contaminant, logic or effect designed or intended to disable,
disrupt, erase, enable any Person to access without authorization, or otherwise materially and adversely affect the functionality of, any such Company IT Asset, or any spyware or adware. The Company and its Subsidiaries have implemented commercially
reasonable anti-malware, backup, security, business continuity, and disaster recovery measures and technology. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(f) The Company and its
Subsidiaries comply, and have in the past three years complied, in all material respects with (i)&nbsp;its internal privacy and data security policies, (ii)&nbsp;all applicable rules&nbsp;of self-regulatory organizations and codes of conduct,
including the Payment Card Industry Data Security Standard (PCI DSS), (iii)&nbsp;all Privacy Laws, and (iv)&nbsp;all contractual obligations concerning information security and data privacy (including the processing of Personal Information)
(collectively, the &#147;<U>Data Privacy/Security Requirements</U>&#148;). To the knowledge of the Company, all vendors, processors, subcontractors and other Persons acting for or on behalf of the Company in connection with the processing of
Personal Information or that otherwise have been authorized to have access to the Company IT Assets or the Personal Information in the possession or control of the Company and its Subsidiaries comply, and have in the past three years complied, with
the Data Privacy/Security Requirements in all material respects. Except as would not, individually or in the aggregate, reasonably be expected to have a Material Adverse Effect, neither the negotiation nor consummation of the transactions
contemplated by this Agreement, nor any disclosure or transfer of information in connection therewith, will breach or otherwise cause any violation of any Data Privacy/Security Requirement or require the consent, waiver or authorization of, or
declaration, filing or notification to, any Person under any such Data Privacy/Security Requirement. There are no, and have not been in the last three years, any Actions pending or threatened against the Company or any of its Subsidiaries concerning
any Data Privacy/Security Requirement or compliance therewith or violation thereof. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(g) The Company and its Subsidiaries have implemented
and maintain a commercially reasonable information security plan (&#147;<U>Security Plan</U>&#148;), which includes commercially reasonable administrative, technical and physical safeguards designed to protect the availability, integrity and
security of the Company IT Assets and the information and data stored therein (including Personal Information and other sensitive information) from loss, damage, misuse or unauthorized use, access, modification, destruction, or disclosure, including
cybersecurity and malicious insider risks. The Security Plan conforms, and at all times has conformed, in all material respects to the Data Privacy/Security Requirements and any public statements made by the Company or any of its Subsidiaries
regarding the Security Plan. Except as would not, individually or in the aggregate, reasonably be expected to have a Material Adverse Effect, in the past three years, (i)&nbsp;there has been no loss, damage, misuse or unauthorized use, access,
modification, destruction, or disclosure, or other breach of security of the Personal Information maintained by or on behalf of the Company or any of its Subsidiaries (including, but not limited to, any event that would give rise to a breach or
incident for which notification by the Company or any of its Subsidiaries to individuals and/or Governmental Entity is required under Data Privacy/Security Requirements), and (ii)&nbsp;there have been no breaches or unauthorized intrusions of the
security of any Company IT Asset. </P>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_36"></A>Section&nbsp;3.20 <U>Certain Payments; International
Trade</U>(h). </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(a) Except as has not had and would not reasonably be expected to have, individually or in the aggregate, a Material Adverse
Effect, neither the Company nor any Subsidiary of the Company nor, to the knowledge of the Company, any agent or other person acting on its behalf, has provided, offered, gifted or promised, directly or indirectly through another Person, anything of
value to any Government Official in violation of any Law for the purpose of (a)&nbsp;unlawfully influencing any act or decision of such Government Official in their official capacity, inducing such Government Official to do or omit to do any act in
violation of their lawful duty, or securing any improper advantage for the Company or any of its Subsidiaries or (b)&nbsp;inducing such Government Official to use his or her influence in an unlawful manner to affect or influence any act or decision
of any Governmental Entity. &#147;Government Official&#148; means any person employed by or that is an agent of any Governmental Entity or any political party or that is a candidate for Governmental Entity office, or the family member or close
affiliate of any of these. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(b) None of the Company nor any of its Subsidiaries (nor, to the knowledge of the Company, any of their
respective directors, officers, representatives, agents or employees) since January&nbsp;1, 2019 (i)&nbsp;was a Sanctioned Person, (ii)&nbsp;was organized or ordinarily resident in a Covered Country, (iii)&nbsp;engaged in any dealings or
transactions with any Sanctioned Person or in any Covered Country, to the extent such activities violate applicable International Trade Laws and Regulations, or (iv)&nbsp;was otherwise in violation of applicable International Trade Laws and
Regulations. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(c) For purposes of this Agreement: </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(i) &#147;<U>Covered Countries</U>&#148; means countries or regions that is or since January&nbsp;1, 2019 has been, subject to comprehensive
sanctions under International Trade Laws and Regulations (as of the date hereof, Cuba,&nbsp;Iran, Sudan, Syria, the Democratic People&#146;s Republic of Korea (North Korea) and the Crimea region of Ukraine). </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(ii) &#147;<U>International Trade Laws and Regulations</U>&#148; means (A)&nbsp;any U.S. sanctions laws or regulations administered by the
U.S. Treasury Department Office of Foreign Assets Control (&#147;<U>OFAC</U>&#148;), and (B)&nbsp;any other economic, military or other sanctions or trade controls, including any import or export control laws or regulations, of any Governmental
Entity of the United States, the European Union or any member state of the European Union. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(iii) &#147;<U>Sanctioned Person</U>&#148;
means any individual or entity that is the subject or target of sanctions or restrictions under International Trade Laws and Regulations, including: (i)&nbsp;any individual or entity listed on any applicable U.S. or
<FONT STYLE="white-space:nowrap">non-U.S.</FONT> sanctions- or export-related restricted party list, including, without limitation, OFAC&#146;s Specially Designated Nationals and Blocked Persons List and the EU Consolidated List; (ii)&nbsp;any
entity that is, in the aggregate, 50&nbsp;percent or greater owned, directly or indirectly, or otherwise controlled by a person or persons described in clause (i); or (iii)&nbsp;any national of a Covered Country. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_37"></A>Section&nbsp;3.21 <U>State Takeover Statutes</U>. Assuming the accuracy of the representations and warranties
of Parent and Merger Sub set forth in 4.9, no &#147;fair price,&#148; &#147;moratorium,&#148; &#147;control share acquisition&#148; or similar antitakeover Law (collectively, &#147;<U>Takeover Laws</U>&#148;) enacted under any Laws applicable to the
Company apply to this Agreement, the Merger, or any of the other transactions contemplated hereby. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_38"></A>Section&nbsp;3.22 <U>Affiliate Transactions</U>. Except (i)&nbsp;as set forth on Section&nbsp;3.22 of the
Company Disclosure Letter or (ii)&nbsp;for directors&#146; and employment-related Material Contracts filed or incorporated by reference as an exhibit to a Company SEC Document filed by the Company prior to the date hereof and for any intercompany
agreements, as of the date hereof, no executive officer or director of the Company or any Supporting Stockholder or any of its or his Affiliates (other than portfolio companies) is a party to any Contract with or binding upon the Company or any of
its Subsidiaries or any of their respective properties or assets or has any material interest in any material property owned by the Company or any of its Subsidiaries or has engaged in any material transaction with any of the foregoing within the
last 12&nbsp;months. </P>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_39"></A>Section&nbsp;3.23 <U>Brokers</U>. No broker, investment
banker, financial advisor or other Person, other than Lazard Fr&egrave;res&nbsp;&amp; Co. LLC, is entitled to any broker&#146;s, finder&#146;s, financial advisor&#146;s or other similar fee or commission in connection with the transactions
contemplated by this Agreement based upon arrangements made by or on behalf of the Company or any of its Subsidiaries. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_40">
</A>Section&nbsp;3.24 <U>Opinion of Financial Advisor</U>. Lazard Fr&egrave;res&nbsp;&amp; Co. LLC has delivered to the Company Board its written opinion (or oral opinion to be confirmed in writing), dated as of the date of this Agreement, to the
effect that, as of the date of this Agreement and based upon and subject to the assumptions, qualifications, limitations and other matters set forth therein, the Merger Consideration to be paid to holders of Shares (other than Shares held by holders
who are entitled to and properly demand an appraisal of their Shares, Shares held in the treasury of the Company or owned by any direct or indirect wholly-owned Subsidiary of the Company, Parent or any direct or indirect wholly-owned Subsidiary of
Parent and Shares held by the Supporting Stockholders, in each case at the Effective Time) in the Merger is fair, from a financial point of view, to such holders and, as of the date of this Agreement, such opinion has not been withdrawn, revoked or
modified. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_41"></A>Section&nbsp;3.25 <U>Surety Bonds</U>. Except as would not, individually or in the aggregate,
reasonably be expected to have a Material Adverse Effect, between January&nbsp;1, 2020 and the date hereof, each of the Company and its Subsidiaries has posted all deposits, letters of credit, trust funds, bid bonds, performance bonds, reclamation
bonds, surety bonds and all such similar undertakings (collectively, &#147;<U>Surety Bonds</U>&#148; ) required to be posted in connection with its operations. Section&nbsp;3.25 of the Company Disclosure Letter contains a true and complete list of
all Surety Bonds posted as of June&nbsp;30, 2022 by or on behalf of each of the Company and its Subsidiaries in connection with its operations including the name of each surety and the bond amount. Each of the Company and its Subsidiaries is in
compliance in all material respects with the Surety Bonds. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_42"></A>Section&nbsp;3.26 <U>No Other Representations
or Warranties</U>. Except for the representations and warranties contained in this Article&nbsp;III or in any certificate delivered in connection with this Agreement, each of Parent and Merger Sub acknowledges that neither the Company nor any other
Person on behalf of the Company makes any other express or implied representation or warranty with respect to the Company or any of its Subsidiaries with respect to any other information provided to Parent or Merger Sub in connection with the
transactions contemplated by this Agreement. Except with respect to the representations and warranties contained in this Article&nbsp;III or in any certificate delivered in connection with this Agreement, neither the Company nor any other Person
will have or be subject to any liability to Parent, Merger Sub or any other Person resulting from the distribution to Parent or Merger Sub, or Parent&#146;s or Merger Sub&#146;s use of, any such information, including any information, documents,
projections, forecasts or other material made available to Parent or Merger Sub in certain &#147;data rooms&#148; or management presentations in expectation of, or in connection with, the transactions contemplated by this Agreement. </P>
<P STYLE="margin-top:24pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><A NAME="annxarom338793_43"></A>ARTICLE&nbsp;IV </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>REPRESENTATIONS AND WARRANTIES OF PARENT AND MERGER SUB </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Except as disclosed in the Parent SEC Documents publicly available at least two Business Days prior to the date of this Agreement (but
excluding any disclosures contained under the heading &#147;Risk Factors,&#148; any disclosure of risks included in any &#147;forward-looking statements&#148; disclaimer or any other statements that are similarly predictive or forward-looking in
nature, in each case, other than any specific factual information contained therein), Parent and the Merger Sub, jointly and severally, represent and warrant to the Company as follows: </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_44"></A>Section&nbsp;4.1 <U>Organization, Standing and Power</U>. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(a) Each of Parent and Merger Sub (i)&nbsp;is a corporation duly organized, validly existing and in good standing under the Laws of the
jurisdiction of its incorporation, (ii)&nbsp;has all requisite corporate power and </P>
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authority to own, lease and operate its properties and to carry on its business as now being conducted and (iii)&nbsp;is duly qualified or licensed to do business and is in good standing in each
jurisdiction in which the nature of its business or the ownership, leasing or operation of its properties makes such qualification or licensing necessary, except, with respect to clauses&nbsp;(ii)&nbsp;and (iii), for any such failures to have such
power and authority or to be so qualified or licensed or in good standing as would not, individually or in the aggregate, reasonably be expected to have a Parent Material Adverse Effect or materially delay or materially impede the performance by
Parent or Merger Sub of its obligations under this Agreement or the consummation of the Merger or any of the other transactions contemplated hereby. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(b) Parent has previously furnished to the Company a true, complete and correct copy of the certificate of incorporation and bylaws of each of
Parent and Merger Sub, in each case as amended to the date of this Agreement, and each as so delivered is in full force and effect. Neither Parent nor Merger Sub is in violation of any provision of its certificate of incorporation or bylaws in any
material respect. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_45"></A>Section&nbsp;4.2 <U>Capital Stock; Equity Awards</U>. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(a) The authorized capital stock of Parent consists of (a)&nbsp;145,000,000 shares of Parent Common Stock and (b)&nbsp;5,000,000 shares of
preferred stock, par value $1.00 per share (the &#147;<U>Parent Preferred Stock</U>&#148;). As of July&nbsp;21, 2022 (the &#147;<U>Parent Measurement Date</U>&#148;), (i)&nbsp;95,473,655 shares of Parent Common Stock were issued and outstanding, all
of which were validly issued, fully paid and nonassessable and were free of preemptive rights, (ii)&nbsp;19,933,055 shares of Parent Common Stock were held in treasury, (iii)&nbsp;no shares of Parent Preferred Stock were outstanding, (iv)&nbsp;an
aggregate of 1,671,222 shares of Parent Common Stock were subject to or otherwise deliverable in connection with outstanding Parent Equity Awards. From the Parent Measurement Date to the date of this Agreement, Parent has not issued or granted any
shares of Parent Common Stock or Parent Equity Awards, other than shares of Parent Common Stock issued upon the exercise or settlement of Parent Equity Awards, in each case, outstanding as of the Parent Measurement Date in accordance with their
terms. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(b) Except as set forth above and except for changes since the Parent Measurement Date resulting from the exercise of Parent
Equity Awards outstanding on such date and outstanding stock options for the purchase of Parent Common Stock granted under the MasTec,&nbsp;Inc. Amended and Restated Bargaining Units ESPP and the MasTec,&nbsp;Inc. Amended and Restated 2011 Employee
Stock Purchase Plan, as of the date of this Agreement, (A)&nbsp;there are not outstanding, authorized, issued, or reserved for issuance any (1)&nbsp;shares of capital stock or other voting securities of Parent, (2)&nbsp;securities or interests of
Parent or any of its Subsidiaries convertible into or exchangeable for shares of capital stock or voting securities of Parent or (3)&nbsp;options, warrants or other rights to acquire from Parent or any of its Subsidiaries, or any obligation of
Parent or any of its Subsidiaries to issue, sell or transfer, any capital stock, voting securities or securities or interests convertible into or exchangeable for capital stock or voting securities of Parent, (B)&nbsp;there are no other outstanding
or authorized options, calls, warrants or other rights, agreements, arrangements or commitments of any character relating to the issued or unissued capital stock of Parent to which Parent or any of its Subsidiaries is a party or is bound and
(C)&nbsp;there are no outstanding or authorized restricted shares, restricted stock units, performance shares, contingent value rights, stock appreciation, phantom stock, profit participation or similar rights with respect to the securities of
Parent to which Parent or any of its Subsidiaries is a party or is bound. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_46"></A>Section&nbsp;4.3
<U>Authority</U>. Each of Parent and Merger Sub has all necessary corporate power and authority to execute and deliver this Agreement, to perform its obligations hereunder and to consummate the transactions contemplated hereby. The execution,
delivery and performance of this Agreement by Parent and Merger Sub and the consummation by Parent and Merger Sub of the transactions contemplated hereby have been duly authorized by the Boards of Directors of Parent and Merger Sub, and no other
corporate proceedings on the part of Parent or Merger Sub are necessary to approve this Agreement or to consummate the transactions contemplated hereby, subject in the case of the consummation of the Merger, to the filing of the Certificate of
Merger with the Secretary of State of the State of Delaware as required by the DGCL. This Agreement has been duly executed and delivered by Parent and Merger Sub and, assuming the due authorization, execution and delivery by the
</P>
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Company, constitutes a valid and binding obligation of Parent and Merger Sub, enforceable against each of them in accordance with its terms (except to the extent that enforceability may be
limited by applicable bankruptcy, insolvency, moratorium, reorganization or similar Laws affecting the enforcement of creditors&#146; rights generally or by general principles of equity). The Board of Directors of Parent duly, validly and
unanimously adopted resolutions approving this Agreement, the Merger, the other transactions contemplated by this Agreement and the issuance of shares of Parent Common Stock in the Merger pursuant to this Agreement, which resolutions, as of the date
of this Agreement, have not been rescinded, modified or withdrawn in any way. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_47"></A>Section&nbsp;4.4 <U>No
Conflict; Consents and Approvals</U>. </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(a) The execution, delivery and performance of this Agreement by Parent and Merger Sub, and the
consummation by Parent and Merger Sub of the transactions contemplated hereby, do not and will not (i)&nbsp;conflict with or violate the certificate of incorporation or bylaws of Parent or Merger Sub, (ii)&nbsp;assuming that all consents, approvals
and authorizations contemplated by clauses&nbsp;(i)&nbsp;through (v)&nbsp;of subsection&nbsp;(b)&nbsp;below have been obtained and all filings described in such clauses have been made, conflict with or violate any Law applicable to Parent or Merger
Sub or by which any of their respective properties are bound or (iii)&nbsp;result in any breach or violation of, or constitute a default (or an event which with notice or lapse of time or both would become a default), or result in the loss of a
benefit under, or give rise to any right of termination, cancellation, amendment or acceleration of, any Contract to which Parent or Merger Sub is a party or by which Parent or Merger Sub or any of their respective properties are bound, except, in
the case of clauses&nbsp;(ii)&nbsp;and (iii), for any such conflict, breach, violation, default, loss, right or other occurrence that would not, individually or in the aggregate, reasonably be expected to have a Parent Material Adverse Effect. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(b) The execution, delivery and performance of this Agreement by Parent and Merger Sub, and the consummation by Parent and Merger Sub of the
transactions contemplated hereby, do not and will not require any consent, approval, authorization or permit of, action by, filing with or notification to, any Governmental Entity, except for (i)&nbsp;such filings as may be required under applicable
requirements of the Exchange Act and the rules&nbsp;and regulations promulgated thereunder, and under state securities, takeover and &#147;blue sky&#148; laws, (ii)&nbsp;the filings required under the HSR Act, (iii)&nbsp;such filings as necessary to
comply with the applicable requirements of Nasdaq or NYSE, (iv)&nbsp;the filing with the Secretary of State of the State of Delaware of the Certificate of Merger as required by the DGCL and (v)&nbsp;any such consent, approval, authorization, permit,
action, filing or notification the failure of which to make or obtain would not, individually or in the aggregate, reasonably be expected to have a Parent Material Adverse Effect. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_48"></A>Section&nbsp;4.5 <U>SEC Reports; Financial Statements</U>. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(a) Parent has timely filed, furnished or otherwise transmitted all registration statements, prospectuses, forms, schedules, reports,
statements, certifications and other documents (including all exhibits, schedules, amendments and supplements thereto and all other information incorporated by reference) required to be filed by it with the SEC since January&nbsp;1, 2020 (all such
registration statements, prospectuses, forms, schedules, reports, statements, certifications and other documents filed since January&nbsp;1, 2020, collectively, the &#147;<U>Parent SEC Documents</U>&#148;). As of their respective dates, or, if
amended or superseded by a subsequent filing prior to the date hereof, as of the date of the last such amendment or superseding filing (and, in the case of registration statements and proxy statements, on the dates of effectiveness and the dates of
the relevant meetings, respectively), each of the Parent SEC Documents complied as to form in all material respects with the Securities Act and the Exchange Act, and the applicable rules&nbsp;and regulations promulgated thereunder, as the case may
be, each as in effect on the date so filed. As of their respective filing dates (or, if amended or superseded by a subsequent filing prior to the date hereof, as of the date of such amendment or superseding filing), none of the Parent SEC Documents
contained any untrue statement of a material fact or omitted to state a material fact required to be stated or incorporated by reference therein or necessary in order to make the statements therein, in the light of the circumstances under which they
were made, not misleading. To the knowledge of Parent, none of the Parent SEC Documents is the subject of ongoing SEC review or outstanding SEC investigation and there are no outstanding </P>
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or unresolved comments received from the SEC with respect to any of the Parent SEC Documents. None of Parent&#146;s Subsidiaries is required to file or furnish any forms, reports, or other
documents with the SEC and neither Parent nor any of its Subsidiaries is required to file or furnish any forms, reports, or other documents with any securities regulation (or similar) regime of a <FONT STYLE="white-space:nowrap">non-United</FONT>
States Governmental Entity. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(b) The consolidated financial statements of Parent (including any related notes and schedules thereto)
included in or incorporated by reference into the Parent SEC Documents (i)&nbsp;complied as to form in all material respects with the published rules&nbsp;and regulations of the SEC with respect thereto as of their respective dates; (ii)&nbsp;were
prepared in accordance with GAAP applied on a consistent basis throughout the periods involved (except as may be indicated in the notes thereto and in the case of unaudited quarterly financial statements, as may be permitted by the SEC for Quarterly
Reports on <FONT STYLE="white-space:nowrap">Form&nbsp;10-Q</FONT> or by other rules&nbsp;and regulations of the SEC); and (iii)&nbsp;fairly present in all material respects the consolidated financial position of Parent and its Subsidiaries at the
respective dates thereof and the results of their operations and cash flows for the periods indicated, subject, in the case of unaudited interim financial statements, to normal and <FONT STYLE="white-space:nowrap">year-end</FONT> audit adjustments
as permitted by the applicable rules&nbsp;and regulations of the SEC (but only if the effect of such adjustments would not, individually or in the aggregate, be material). </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(c) Parent maintains disclosure controls and procedures required by <FONT STYLE="white-space:nowrap">Rule&nbsp;13a-15</FONT> or <FONT
STYLE="white-space:nowrap">15d-15</FONT> under the Exchange Act. Such disclosure controls and procedures are designed to ensure that all information required to be disclosed by Parent in its filings with the SEC under the Exchange Act is recorded,
processed, summarized and reported on a timely basis to Parent&#146;s management as appropriate to allow timely decisions regarding required disclosure and to make the certifications of the chief executive officer and chief financial officer of
Parent required under the Exchange Act with respect to such filings. Parent maintains internal control over financial reporting (as defined in <FONT STYLE="white-space:nowrap">Rule&nbsp;13a-15</FONT> or
<FONT STYLE="white-space:nowrap">15d-15,</FONT> as applicable, under the Exchange Act). Such internal control over financial reporting is designed to provide reasonable assurance regarding the reliability of financial reporting and the preparation
of financial statements for external purposes in accordance with GAAP. Since January&nbsp;1, 2020, neither Parent, nor to the knowledge of Parent, any of Parent&#146;s auditors and the audit committee of the Parent board of directors has identified
or been made aware of (i)&nbsp;any significant deficiencies and material weaknesses in the design or operation of its internal controls over financial reporting that are reasonably likely to adversely affect Parent&#146;s ability to record, process,
summarize and report financial information and (ii)&nbsp;any fraud, whether or not material, that involves Parent&#146;s management or other employees who have a significant role in the preparation of Parent&#146;s financial statements or internal
control over financial reporting. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(d) Except as described in the Parent SEC Documents filed as of the date of this Agreement, neither
Parent nor any of its Subsidiaries is a party to, or has any Contract to become a party to: (i)&nbsp;any joint venture, <FONT STYLE="white-space:nowrap">off-balance</FONT> sheet partnership, or any similar Contract (including any Contract relating
to any transaction or relationship between or among Parent or any of its Subsidiaries, on the one hand, and any unconsolidated affiliate, including any structured finance, special purpose, or limited purpose Person, on the other hand); or
(ii)&nbsp;any <FONT STYLE="white-space:nowrap">&#147;off-balance</FONT> sheet arrangements&#148; (as defined in Item 303(a)&nbsp;of Regulation <FONT STYLE="white-space:nowrap">S-K</FONT> promulgated by the SEC) where the purpose of such Contract is
to avoid disclosure of any material transaction involving, or material liabilities of, Parent in Parent&#146;s published financial statements or any Parent SEC Documents. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_49"></A>Section&nbsp;4.6 <U>No Undisclosed Liabilities</U>. Neither Parent nor any of its Subsidiaries has any
liabilities or obligations of any nature, whether or not accrued, absolute, contingent, matured, unmatured, determined, determinable or otherwise, and whether or not required to be recorded or reflected on a balance sheet under GAAP (or the notes
thereto), except for liabilities and obligations (a)&nbsp;reflected or reserved against in Parent&#146;s consolidated balance sheet as of March&nbsp;31, 2022 (or the notes thereto) included in the Parent SEC Documents, (b)&nbsp;incurred in the
ordinary course of business since April&nbsp;1, 2022, (c)&nbsp;which have been discharged or paid in full prior to the date of this Agreement in the ordinary course of business, (d)&nbsp;incurred pursuant to the transactions contemplated by this
Agreement and (e)&nbsp;that would not, individually or in the aggregate, reasonably be expected to have a Parent Material Adverse Effect. </P>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_50"></A>Section&nbsp;4.7 <U>Certain Information</U>. None of the
information supplied or to be supplied by Parent or Merger Sub for inclusion or incorporation by reference in (a)&nbsp;the <FONT STYLE="white-space:nowrap">Form&nbsp;S-4</FONT> will, at the time the
<FONT STYLE="white-space:nowrap">Form&nbsp;S-4</FONT> is filed with the SEC, at any time it is amended or supplemented or at the time it becomes effective under the Securities Act, contain any untrue statement of any material fact or omit to state
any material fact required to be stated therein or necessary in order to make the statements therein, at the time and in light of the circumstances under which they were made, not false or misleading and (b)&nbsp;the Proxy Statement (or any
amendment or supplement thereto) will, on the date the Proxy Statement is first mailed to the Company stockholders or at the time the Proxy Statement (or any amendment or supplement thereto) is filed with the SEC or on the date of the Company
Stockholders&#146; Meeting, contain any untrue statement of any material fact or omit to state any material fact required to be stated therein or necessary in order to make the statements therein, at the time and in light of the circumstances under
which they were made, not false or misleading. Notwithstanding the foregoing, Parent and Merger Sub make no representation or warranty with respect to any information supplied by the Company or any of its Representatives. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_51"></A>Section&nbsp;4.8 <U>Absence of Certain Changes or Events</U>. (a)&nbsp;Since January&nbsp;1, 2022 through the
date of this Agreement, except as otherwise contemplated or permitted by this Agreement, the businesses of Parent and its Subsidiaries have been conducted in the ordinary course of business in all material respects (other than to comply with any
Public Health Measures), (b)&nbsp;from January&nbsp;1, 2022 through the date hereof, there has not been any event, change, occurrence or effect that, individually or in the aggregate, together with all other events, changes, occurrences or effects,
has had or would reasonably be expected to have a Parent Material Adverse Effect. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_52"></A>Section&nbsp;4.9
<U>Litigation</U>. Except as would not, individually or in the aggregate, reasonably be expected to have a Parent Material Adverse Effect or as of the date hereof materially delay or materially impede the performance by Parent or Merger Sub of its
obligations under this Agreement or the consummation of the Merger or any of the other transactions contemplated hereby, (a)&nbsp;there is no Action pending or, to the knowledge of Parent, threatened against Parent or any of its Subsidiaries or any
of their respective properties by or before any Governmental Entity and (b)&nbsp;neither Parent nor any of its Subsidiaries nor any of their respective properties is or are subject to any judgment, order, injunction, rule&nbsp;or decree of any
Governmental Entity. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_53"></A>Section&nbsp;4.10 <U>Compliance with Laws</U>. Parent and each of its Subsidiaries
are, and have been since January&nbsp;1, 2020, in compliance with all Laws applicable to them or by which any of their respective businesses or properties are bound, except where any <FONT STYLE="white-space:nowrap">non-compliance</FONT> would not,
individually or in the aggregate, reasonably be expected to have a Parent Material Adverse Effect or materially delay or materially impede the performance by Parent or Merger Sub of its obligations under this Agreement or the consummation of the
Merger or any of the other transactions contemplated hereby. Since January&nbsp;1, 2020 no Governmental Entity has issued any notice or notification to Parent or any of its Subsidiaries stating that Parent or any of its Subsidiaries is not in
compliance with any Law, except where such <FONT STYLE="white-space:nowrap">non-compliance</FONT> would not reasonably be expected to have, individually or in the aggregate, a Parent Material Adverse Effect. Parent and its Subsidiaries have in
effect all Permits necessary for them to own, lease or operate their properties and to carry on their businesses as now conducted, except for any Permits the absence of which would not, individually or in the aggregate, reasonably be expected to
have a Parent Material Adverse Effect. All Permits are in full force and effect, and there has occurred no default or <FONT STYLE="white-space:nowrap">non-compliance</FONT> under any Permits by Parent or any of its Subsidiaries, in each case except
where the failure to be in full force and effect and to be in compliance would not, individually or in the aggregate, reasonably be expected to have a Parent Material Adverse Effect. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_54"></A>Section&nbsp;4.11 <U>Ownership and Operations of Merger Sub</U>. Merger Sub has been formed solely for the
purpose of engaging in the transactions contemplated hereby and prior to the Effective Time will have engaged in no other business activities and will have incurred no liabilities or obligations other than as contemplated herein. The authorized
capital stock of Merger Sub consists of 1,000 shares of common stock, par value $0.01 per share, all of which are validly issued and outstanding. All of the issued and outstanding capital stock of Merger Sub is, and at the Effective Time will be,
owned directly or indirectly by Parent. </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">A-31 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_55"></A>Section&nbsp;4.12 <U>Financing</U>. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(a) As of the date hereof, Parent has delivered to the Company true, complete and correct copies of the executed commitment letter (the
&#147;<U>Debt Commitment Letter</U>&#148;) pursuant to which the lender parties thereto have agreed, subject to the terms and conditions thereof, to provide or cause to be provided the debt amounts set forth therein (such financing, together with,
at the option of Parent, any related term loan or bond takeout financing, the &#147;<U>Debt Financing</U>&#148;). As of the date hereof, neither Parent, Merger Sub nor any of their Affiliates has entered into any Contract, side letter or other
arrangement relating to funding of the Debt Financing, other than customary fee letters and engagement letters, a complete copy of each of which has been provided to the Company, with only the market flex fee amounts, certain other economic terms
and other customary provisions (none of which would adversely affect the conditions, amount or availability of the Debt Financing) redacted, relating to the Debt Financing between Parent or Merger Sub or an Affiliate thereof, on the one hand, and
the providers of the Debt Financing, on the other hand. As of the date hereof, the Debt Commitment Letter has not been amended or modified, no such amendment or modification that would be prohibited by Section&nbsp;5.11(a)(i)&nbsp;is contemplated by
Parent, and the commitments contained in the Debt Commitment Letter have not been withdrawn or rescinded. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(b) As of the date hereof, the
Debt Commitment Letter is in full force and effect against Parent and represents a valid, binding and enforceable obligation of Parent and, to Parent&#146;s knowledge, each other party thereto, to provide the financing contemplated thereby subject
only to the satisfaction or waiver of the conditions set forth in the Debt Commitment Letter as of the date hereof and except to the extent that enforceability may be limited by the applicable bankruptcy, insolvency, moratorium, reorganization or
similar Laws affecting the enforcement of creditors&#146; rights generally. As of the date hereof, there are no conditions precedent related to the funding of the full amount of the Debt Financing other than as set forth in the Debt Commitment
Letter. As of the date hereof, no event has occurred which, with or without notice, lapse of time or both, would constitute a breach or default on the part of Parent, Merger Sub, to Parent&#146;s knowledge, or any other party thereto under the Debt
Commitment Letter. Parent has fully paid (or caused to be fully paid) any and all commitment fees and other amounts that are due and payable on or prior to the date of this Agreement in connection with the Debt Financing. As of the date hereof,
Parent has no reason to believe that it or any other party thereto will be unable to satisfy on a timely basis any material term of the Debt Commitment Letter. As of the date hereof, Parent has no reason to believe that (i)&nbsp;any conditions
precedent set forth in the Debt Commitment Letter will not be satisfied or (ii)&nbsp;the Debt Financing will not be made available to Parent or Merger Sub on the Closing Date. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(c) Assuming (x)&nbsp;the accuracy in all material respects of the representations and warranties set forth in Article&nbsp;III and
(y)&nbsp;the performance by the Company and its Subsidiaries of the covenants and agreements contained in this Agreement, the net proceeds contemplated from the Debt Financing, when funded in accordance with the Debt Commitment Letter, when added
together with the cash of Parent and any other readily available funds, will result in Parent having at the Closing access to sufficient immediately available funds to permit Parent to consummate the Merger and the transactions contemplated by this
Agreement, and to pay all related fees and expenses. Notwithstanding anything to the contrary contained herein, Parent and Merger Sub acknowledge and agree that their obligations to consummate the Merger and the transactions contemplated hereby are
not contingent upon their ability to obtain any debt or equity financing, including pursuant to the Debt Commitment Letter. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_56">
</A>Section&nbsp;4.13 <U>Vote/Approval Required</U>. No vote or consent of the holders of any class or series of capital stock of Parent is necessary to approve this Agreement or the Merger or the other transactions contemplated hereby. The vote or
consent of Parent as the sole stockholder of Merger Sub (which shall have occurred within 24 hours of execution of this Agreement) is the only vote or consent of the holders of any class or series of capital stock of Merger Sub necessary to approve
this Agreement or the Merger or the other transactions contemplated hereby. </P>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_57"></A>Section&nbsp;4.14 <U>Ownership of Shares</U>. Neither Parent
nor Merger Sub nor any of Parent&#146;s Affiliates owns (directly or indirectly, beneficially or of record) any Shares or holds any rights to acquire or vote any Shares except pursuant to this Agreement. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_58"></A>Section&nbsp;4.15 <U>Brokers</U>. No broker, investment banker, financial advisor or other Person, other than
J.P. Morgan Securities LLC, is entitled to any broker&#146;s, finder&#146;s, financial advisor&#146;s or other similar fee or commission in connection with the transactions contemplated by this Agreement based upon arrangements made by or on behalf
of Parent or Merger Sub. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_59"></A>Section&nbsp;4.16 <U>No Other Representations or Warranties</U>. Except for the
representations and warranties contained in this Article&nbsp;IV, the Company acknowledges that none of Parent, Merger Sub or any other Person on behalf of Parent or Merger Sub makes any other express or implied representation or warranty with
respect to Parent or Merger Sub or with respect to any other information provided to the Company. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_60"></A>Section&nbsp;4.17 <U>No Reliance</U>. Each of Parent and Merger Sub acknowledges and agrees that it
(a)&nbsp;has had an opportunity to discuss and ask questions regarding the business of the Company and its Subsidiaries with the management of the Company, (b)&nbsp;has had access to the books and records of the Company, the &#147;data room&#148;
maintained by the Company for purposes of the transactions contemplated by this Agreement and such other information as it has desired or requested to review and (c)&nbsp;has conducted its own independent investigation of the Company and its
Subsidiaries and the transactions contemplated hereby, and has not relied on any representation or warranty by any Person on behalf of the Company or any of its Subsidiaries, except for the representations and warranties set forth in
Article&nbsp;III or in any certificate delivered in connection with this Agreement. Without limiting the foregoing, except for the representations and warranties set forth in Article&nbsp;III of this Agreement or in any certificate delivered in
connection with this Agreement, each of Parent and Merger Sub further acknowledges and agrees that none of the Company or any of its stockholders, directors, officers, employees, Affiliates, advisors, agents or other Representatives has made any
representation or warranty concerning any estimates, projections, forecasts, business plans or other forward-looking information regarding the Company, its Subsidiaries or their respective businesses and operations. Each of Parent and Merger Sub
hereby acknowledges that there are uncertainties inherent in attempting to develop such estimates, projections, forecasts, business plans and other forward-looking information with which Parent and Merger Sub are familiar, that except for the
representations and warranties set forth in Article&nbsp;III or in any certificate delivered in connection with this Agreement, Parent and Merger Sub are taking full responsibility for making their own evaluation of the adequacy and accuracy of all
estimates, projections, forecasts, business plans and other forward-looking information furnished to them (including the reasonableness of the assumptions underlying such estimates, projections, forecasts, business plans and other forward-looking
information), and that Parent and Merger Sub will have no claim against the Company or any of its stockholders, directors, officers, employees, Affiliates, advisors, agents or other Representatives with respect thereto. </P>
<P STYLE="margin-top:24pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><A NAME="annxarom338793_61"></A>ARTICLE&nbsp;V </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>COVENANTS </B></P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_62">
</A>Section&nbsp;5.1 <U>Conduct of Business of the Company</U>. </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(a) The Company covenants and agrees that, during the period from the date
hereof until the Effective Time, except (i)&nbsp;as expressly required by this Agreement, (ii)&nbsp;as disclosed in Section&nbsp;5.1(a)&nbsp;of the Company Disclosure Letter, (iii)&nbsp;as required by applicable Law (including any Public Health
Measures) or as otherwise taken in good faith by the Company or any of its Subsidiaries in response to <FONT STYLE="white-space:nowrap">COVID-19</FONT> or (iv)&nbsp;unless Parent shall otherwise consent in writing (which consent shall not be
unreasonably withheld, conditioned or delayed), the Company shall, and shall cause each of its Subsidiaries to, (w)&nbsp;conduct their respective business in the ordinary course of business in all material respects and (x)&nbsp;use reasonable best
efforts to preserve substantially intact their respective business organizations and material assets, to keep available the services of its and its Subsidiaries&#146; current officers and key employees, to preserve their respective present
relationships with Material Customers and Material Suppliers and comply in all material respects with all applicable Laws. </P>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(b) Without limiting the generality of the foregoing, between the date of this Agreement and
the Effective Time, except (w)&nbsp;as expressly required by this Agreement, (x)&nbsp;as disclosed in Section&nbsp;5.1(b)&nbsp;of the Company Disclosure Letter, (y)&nbsp;as required by applicable Law (including any Public Health Measures) or
(z)&nbsp;unless Parent shall otherwise consent in writing (which consent shall not be unreasonably withheld, conditioned or delayed), the Company shall not, and the Company shall cause each of its Subsidiaries not to: </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(i) amend or otherwise change its certificate of incorporation or bylaws or any similar governing instruments (other than amendments to the
governing documents of any wholly-owned Subsidiary of the Company that would not prevent, materially delay or materially impair the Merger or the other transactions contemplated by this Agreement); </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(ii) amend or otherwise change or grant any waiver under the SPAC Warrant Agreement, the Series&nbsp;B Warrant Agreement, the <FONT
STYLE="white-space:nowrap">Pre-Funded</FONT> Warrant Agreement or any other Contracts to which the Company or any of its Subsidiaries is a party with respect to the Company Warrants; </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(iii) issue, deliver, sell, pledge, dispose of or encumber any shares of the Company&#146;s or any of its Subsidiaries&#146; capital stock or
securities convertible into or exchangeable for any such equity interests, or any rights, warrants or options to acquire any such equity interests or other convertible securities of the Company or any of its Subsidiaries or any other securities in
respect of, in lieu of, or in substitution for the Company&#146;s or any of its Subsidiaries&#146; capital stock, or grant to any Person any right to acquire any shares of the Company&#146;s or any of its Subsidiaries&#146; capital stock, except
(A)&nbsp;pursuant to the exercise of Company Stock Options or Company Warrants or settlement of other awards outstanding as of the date hereof (or permitted hereunder to be granted after the date hereof) and in accordance with the terms of such
instruments as in effect as of the date hereof, (B)&nbsp;the issuances in accordance with the terms of the Equity Commitment Agreements and the Preferred Stock Exchange Agreement in effect as of the date hereof of Anti-Dilution Warrants to purchase
no more than 813,288 Shares and (C)&nbsp;transactions solely between the Company and a wholly-owned Subsidiary of the Company or solely between wholly owned Subsidiaries of the Company; </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(iv) declare, set aside, make or pay any dividend or other distribution, payable in cash, stock, property or otherwise, with respect to the
Company&#146;s or any of its Subsidiaries&#146; capital stock (except for any dividend or distribution by a wholly-owned Subsidiary of the Company to the Company or to other wholly-owned Subsidiaries of the Company); </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(v) adjust, split, combine, redeem, repurchase or otherwise acquire any shares of capital stock of the Company or any of its non wholly-owned
Subsidiaries (except for cashless exercises or similar transactions pursuant to the exercise of Company Stock Options or Company Warrants or settlement of Company RSUs and Company PSUs outstanding as of the date hereof and, in each case, in
accordance with the terms of such instruments as in effect as of the date hereof (as applicable)), or reclassify, combine, split, subdivide or otherwise amend the terms of their respective capital stock; </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(vi) (A)&nbsp;acquire (whether by merger, consolidation or acquisition of stock or assets or otherwise) any corporation, partnership or other
business organization or division thereof or any assets, in each case, having a value in excess of $10,000,000 individually or $25,000,000 in the aggregate, other than purchases of supplies and other assets in the ordinary course of business or as
required pursuant to commitments under existing Contracts or after written notice (including email) to Parent, purchases of assets necessary to be purchased to address an operational emergency during the
<FONT STYLE="white-space:nowrap">two-day</FONT> period after the commencement of such emergency; or (B)&nbsp;sell, license, lease or otherwise dispose of (whether by merger, consolidation or acquisition of stock or assets or otherwise) any
corporation, partnership or other business organization or division thereof or any assets (other than the sale of inventory and other assets, and the grant of <FONT STYLE="white-space:nowrap">non-exclusive</FONT> licenses, in the ordinary course of
business); </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(vii) adopt or effect a plan of complete or partial liquidation, dissolution, restructuring, recapitalization or other
reorganization; </P>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(viii) except as set forth on Section&nbsp;5.1(b)(viii)&nbsp;of the Company Disclosure
Letter, enter into, materially amend or modify or terminate (other than terminations without material penalty or loss of material benefit to the Company), or grant any material consent, or waive any material right under, (A)&nbsp;any Material
Contract, any other Contract that, if in effect as of the date hereof, would constitute a Material Contract or any material Contract with a Material Customer, in each case (except with respect to any Contract of the type described in clauses
(ii)&nbsp;or (viii)&nbsp;of Section&nbsp;3.15(a)) other than in the ordinary course of business (including ordinary course change orders), (B)&nbsp;any Contract that would require approval of the BRC pursuant to the terms of the BRC Charter in
effect as of the date hereof, (C)&nbsp;any customer Contract relating primarily to the civil division of the Company and its Subsidiaries, reasonably likely to involve payments to or from the Company and its Subsidiaries in excess of $95,000,000 or
(D)&nbsp;any Contract with a duration reasonably likely to exceed 24 months, that is not terminable by the Company upon 30 days&#146; written notice (or less) without penalty; </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(ix) make, or agree or commit to make, any capital expenditure, except (A)&nbsp;in accordance with the capital expenditure budget set forth
in Section&nbsp;5.1(b)(ix)&nbsp;of the Company Disclosure Letter, plus a 7% variance for each principal category set forth in such capital expenditure budget, (B)&nbsp;capital expenditures necessary to address operational emergencies or (C)&nbsp;as
required by Law or a Governmental Entity; <U>provided</U>, that in the case of clauses (B)&nbsp;and (C), the Company shall, to the extent practicable, prior to taking any of the actions contemplated thereby, consult with Parent and shall provide
Parent with notice of such action taken as soon as reasonably practicable thereafter; </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(x) except (x)&nbsp;as permitted in
Section&nbsp;5.1(b)(vi)&nbsp;of the Company Disclosure Letter or (y)&nbsp;in accordance with the capital expenditure budget set forth on Section&nbsp;5.1(b)(ix)&nbsp;of the Company Disclosure Letter (plus a 7% variance for each principal category
set forth in such capital expenditure budget), (A)&nbsp;make any loans, advances or capital contributions to, or investments in, any other Person (other than a wholly-owned Subsidiary of the Company); (B)&nbsp;incur, assume, endorse, issue, sell,
guaranty or otherwise become liable for or modify the terms of any Indebtedness (except that (i)&nbsp;the Company may incur borrowings under the Company&#146;s revolving credit facility included as of the date hereof under the Existing Company
Credit Agreement in the ordinary course of business, <U>provided</U>, that no more than $100,000,000, in the aggregate, for borrowed money is outstanding under such revolving credit facility at any time, and (ii)&nbsp;the Company may post letters of
credit under the Company&#146;s revolving credit facility included as of the date hereof under the Existing Company Credit Agreement, or enter into parent guarantees, to customers in support of performance by the Company and/or its wholly owned
Subsidiaries under Contracts in the ordinary course of business); (C)&nbsp;assume, guarantee, endorse or otherwise become liable or responsible for the indebtedness or other obligations of another Person (other than (i)&nbsp;a guaranty by the
Company of obligations of its Subsidiaries or (ii)&nbsp;a guaranty by the Company of obligations of its joint ventures so long as such guaranty together with all other guaranties by the Company of its joint ventures entered into after the date
hereof do not exceed $1,000,000 in the aggregate); (D)&nbsp;post or permit to be posted Surety Bonds in respect of which the Company or any of its Subsidiaries have any contingent liability other than Surety Bonds posted to customers in support of
performance by the Company and/or its Subsidiaries under Contracts; (E)&nbsp;enter into any &#147;keep well&#148; or other Contract to maintain any financial condition of any other Person (other than any wholly owned Subsidiary of the Company);
(F)&nbsp;repurchase or repay any Indebtedness, other than the repayment of indebtedness under the Company&#146;s existing revolving credit facility under the Existing Company Credit Agreement or (G)&nbsp;incur or assume any obligations with respect
to any deferred purchase price of property or services (other than trade payables incurred in the ordinary course of business), any conditional sale or other title retention agreement with respect to acquired property, any lease that is required
under GAAP to be recorded as a capital lease or finance lease (excluding leases required to be recorded under GAAP as operating leases), or any purchase money financing or other indebtedness incurred in connection with the purchase or lease of
equipment; </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(xi) except to the extent required by applicable Law (including Section&nbsp;409A of the Code), any Company Plan listed on
Section&nbsp;3.11(a)&nbsp;of the Company Disclosure Letter or as contemplated by Section&nbsp;5.8, (A)&nbsp;increase in any manner the compensation (including severance,
<FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">change-in-control</FONT></FONT> and retention compensation) or benefits of any employee or director of the Company or any of its Subsidiaries, except for
</P>
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increases in base salary or wage rates of employees (other than executive officer employees) of up to 5% in the ordinary course of business in connection with the Company&#146;s annual merit
review process or in connection with promotions of any employee (other than executive officer employees) or, after written notice (including email) to Parent, providing overtime pay to <FONT STYLE="white-space:nowrap">non-executive</FONT> employees
to be paid to address an operational emergency during the <FONT STYLE="white-space:nowrap">two-day</FONT> period after the commencement of such emergency, (B)&nbsp;establish, amend or adopt any compensation or benefit plan including any pension,
retirement, profit-sharing, bonus or other employee benefit or welfare benefit plan (other than renewals of health plans in the ordinary course of business) with or for the benefit or its employees or directors, (C)&nbsp;accelerate the vesting of,
or the lapsing of restrictions with respect to, any Company Stock Options, Company RSUs, Company PSUs or other stock-based compensation, (D)&nbsp;hire any new executive officer or any new employee who is not an executive officer other than any <FONT
STYLE="white-space:nowrap">non-executive</FONT> officer employee with a target base salary of not more than $250,000 or terminate any executive officer, other than for cause or (E)&nbsp;other than in the ordinary course of business, enter into,
amend, extend or renew a Labor Agreement; </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(xii) implement or adopt any material change in its methods of accounting, except as may be
appropriate to conform to changes in statutory or regulatory accounting rules&nbsp;or GAAP or regulatory requirements with respect thereto; </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(xiii) compromise, settle or agree to settle any Action (including any Action relating to this Agreement or the transactions contemplated
hereby), or consent to the same, other than compromises, settlements or agreements that involve only the payment of money damages (A)&nbsp;for an amount (in excess of insurance proceeds) for each such compromise or settlement that is, individually,
less than $1,000,000 and for all such compromises or settlements that is, in the aggregate, less than $5,000,000 or (B)&nbsp;consistent with the reserves reflected in the Company&#146;s balance sheet at March&nbsp;31, 2022; </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(xiv) (A)&nbsp;make, change or revoke any material election with respect to Taxes, (B)&nbsp;change any annual Tax accounting period,
(C)&nbsp;adopt or change any material method of Tax accounting, (D)&nbsp;amend any material Tax Return, (E)&nbsp;surrender any right to claim a material Tax refund, (F)&nbsp;consent to any extension or waiver of the limitation period applicable to
any material Tax claim or assessment (except in the ordinary course of business), or (G)&nbsp;agree to settle any material Tax claim or assessment; </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(xv) abandon, allow to lapse, sell, assign, transfer, grant any security interest in otherwise encumber or dispose of any Company Registered
IP, or grant any right or license to any Company Registered IP other than pursuant to <FONT STYLE="white-space:nowrap">non-exclusive</FONT> licenses entered into in the ordinary course of business; </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(xvi) terminate or modify in any material respect, or fail to exercise renewal rights with respect to, any material insurance policy; </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(xvii) enter into, materially amend or modify or terminate, any leases of real property for which the annual rental exceeds $10,000,000. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(xviii) engage in any transaction with, or enter into any agreement, arrangement or understanding with, any Affiliate of the Company or other
Person covered by Item 404 of Regulation <FONT STYLE="white-space:nowrap">S-K</FONT> promulgated by the SEC that would be required to be disclosed pursuant to Item 404 of Regulation <FONT STYLE="white-space:nowrap">S-K</FONT> promulgated by the SEC;
or </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(xix) agree to take any of the actions described in Sections&nbsp;5.1(b)(i)&nbsp;through 5.1(b)(xviii). </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_63"></A>Section&nbsp;5.2 <U>Conduct of Business of Parent</U>. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(a) Parent covenants and agrees that, during the period from the date hereof until the Effective Time, except (i)&nbsp;as expressly required by
this Agreement, (ii)&nbsp;as required by applicable Law (including any Public Health Measures) or as otherwise taken in good faith by the Company or any of its Subsidiaries in response to </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">A-36 </P>

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<FONT STYLE="white-space:nowrap">COVID-19</FONT> or (iii)&nbsp;unless the Company shall otherwise consent in writing (which consent shall not be unreasonably withheld, conditioned or delayed),
Parent shall, and shall cause each of its Subsidiaries to, use reasonable best efforts to preserve substantially intact their respective business organizations and material assets, to keep available the services of its and its Subsidiaries&#146;
current officers and key employees, to preserve their respective present relationships with material customers and material suppliers and comply in all material respects with all applicable Laws. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(b) Without limiting the generality of the foregoing, between the date of this Agreement and the Effective Time, except (x)&nbsp;as expressly
required by this Agreement, (y)&nbsp;as required by applicable Law (including any Public Health Measures), or (z)&nbsp;unless the Company shall otherwise consent in writing (which consent shall not be unreasonably withheld, conditioned or delayed),
Parent shall not: </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(i) amend or otherwise change its certificate of incorporation or bylaws or any similar governing instruments that
would prevent, materially delay or materially impair the Merger or the other transactions contemplated by this Agreement; </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(ii) declare,
set aside, make or pay any dividend or other distribution, payable in cash, stock, property or otherwise, with respect to the shares of Parent Common Stock; </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(iii) adjust, split, combine, redeem, reclassify, combine, subdivide or otherwise amend the terms of the shares of Parent Common Stock; </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(iv) adopt or effect a plan of complete or partial liquidation, dissolution, restructuring, recapitalization or other reorganization of
Parent; or </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(v) agree or authorize, in writing or otherwise, to take any of the foregoing actions. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(c) From and after the date hereof and prior to the earlier of the Effective Time and the termination of this Agreement in accordance with its
terms, and except as may otherwise be required by applicable Law, required by this Agreement or with the prior written consent of the Company (which consent shall not be unreasonably withheld, conditioned or delayed), each of Parent and Merger Sub
agree that it shall not, directly or indirectly, make, or agree to make, any acquisition (whether by merger, consolidation or acquisition of stock or assets or otherwise) of any corporation, partnership or other business, organization or division
thereof that would reasonably be expected to materially adversely affect or materially delay the ability of Parent or Merger Sub to consummate the Merger. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_64"></A>Section&nbsp;5.3 <U>No Control of Other Party&#146;s Business</U>. Nothing contained in this Agreement
(including anything in Section&nbsp;5.1(b)) shall give Parent, directly or indirectly, the right to control or direct the Company&#146;s or its Subsidiaries&#146; operations (or have any approval rights with respect to the Company or any of its
Subsidiaries entering into any customer Contract with respect to which Parent or any of its Subsidiaries has been, is, or is reasonably be likely to be, a competing bidder) prior to the Effective Time, and nothing contained in this Agreement
(including anything in Section&nbsp;5.2(b)) shall give the Company, directly or indirectly, the right to control or direct Parent&#146;s or its Subsidiaries&#146; operations prior to the Effective Time (or have any approval rights with respect to
Parent or any of its Subsidiaries entering into any customer Contract with respect to which the Company or any of its Subsidiaries has been, is, or is reasonably be likely to be a competing bidder). Prior to the Effective Time, each of the Company
and Parent shall exercise, consistent with the terms and conditions of this Agreement, complete control and supervision over its and its Subsidiaries&#146; respective operations. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_65"></A>Section&nbsp;5.4 <U>Acquisition Proposals</U>. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(a) Except as set forth in this Section&nbsp;5.4, the Company agrees that neither it nor any of its Subsidiaries shall, and that it shall cause
its Subsidiaries and the Company&#146;s and its Subsidiaries&#146; respective directors, </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">A-37 </P>

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officers, investment bankers, attorneys, accountants and other advisors or representatives (collectively, &#147;<U>Representatives</U>&#148;) not to, directly or indirectly, (i)&nbsp;initiate,
solicit or knowingly encourage (including by providing information) any inquiries, proposals or offers with respect to, or the making or completion of, an Acquisition Proposal or the making of any proposal that would reasonably be expected to lead
to an Acquisition Proposal, (ii)&nbsp;furnish any nonpublic information regarding the Company or any of its Subsidiaries or afford access to the business, properties, assets, employees, consultants, books or records of the Company or any of its
Subsidiaries to any Person that is reasonably expected to make, or has made, an Acquisition Proposal (a &#147;<U>Bidder</U>&#148;) or (iii)&nbsp;engage or participate in any negotiations or discussions (other than to refer the inquiring Person to
this Section&nbsp;5.4 or to clarify terms for the purpose of the Company Board reasonably informing itself as to such Acquisition Proposal) concerning, or provide or cause to be provided any <FONT STYLE="white-space:nowrap">non-public</FONT>
information or data relating to the Company or any of its Subsidiaries in connection with, an Acquisition Proposal. The Company agrees that it will immediately cease and cause to be terminated any existing activities, discussions or negotiations
with any Persons conducted heretofore with respect to any Acquisition Proposal including, but not limited to, terminating the access to any existing electronic data rooms and ceasing to contact or communicate with other Bidders; <U>provided</U>,
that nothing in this Agreement shall restrict the Company from permitting a Person to request the waiver of a &#147;standstill&#148; or similar obligation solely to allow such Person to make a confidential Acquisition Proposal to the Company Board
(if the &#147;standstill&#148; or similar obligation does not permit such Person to make such an Acquisition Proposal to the Company Board) or from granting such a waiver, in each case, to the extent necessary to comply with fiduciary duties under
applicable Law. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(b) Notwithstanding anything to the contrary in Section&nbsp;5.4(a), at any time prior to obtaining the Company
Stockholder Approval, the Company may, in response to an unsolicited bona fide written Acquisition Proposal that did not result from a breach of Section&nbsp;5.4(a)&nbsp;and that the Company Board determines in good faith, after consultation with
its financial advisors and outside legal counsel, constitutes or would reasonably be expected to lead to a Superior Proposal, (i)&nbsp;furnish information with respect to the Company and its Subsidiaries to the Person making such Acquisition
Proposal pursuant to a customary confidentiality agreement on terms substantially similar to those contained in the Confidentiality Agreement (except for such changes specifically necessary in order for the Company to be able to comply with its
obligations under this Agreement and it being understood that the Company may enter into a confidentiality agreement without a standstill provision) and (ii)&nbsp;participate in discussions or negotiations with such Person and its Representatives
regarding such Acquisition Proposal; <U>provided</U>, that the Company shall promptly provide or make available to Parent any material <FONT STYLE="white-space:nowrap">non-public</FONT> information concerning the Company or any of its Subsidiaries
that is provided to the Person making such Acquisition Proposal or its Representatives which was not previously provided or made available to Parent but in each case referred to in the foregoing clauses (i)&nbsp;and (ii), only if the Company Board
determines in good faith, after consultation with its financial advisors and outside legal counsel, that the failure to take such action would reasonably be expected to be inconsistent with the directors&#146; fiduciary duties under applicable Law.
</P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(c) Subject to the permitted actions contemplated by clauses (d)&nbsp;and (e)&nbsp;below, neither the Company Board nor any committee
thereof shall (i)&nbsp;effect an Adverse Recommendation Change; <U>provided</U>, that delivery of a written notice to Parent as contemplated by paragraph (d)&nbsp;below, or public disclosure that such notice has been delivered to Parent, shall not
be deemed to constitute an Adverse Recommendation Change or otherwise a violation of this clause (i), or (ii)&nbsp;cause or permit the Company or any of its Subsidiaries to enter into any letter of intent, memorandum of understanding, agreement in
principle, acquisition agreement, merger agreement, or other similar Contract (other than a confidentiality agreement referred to in Section&nbsp;5.4(b)&nbsp;entered into in compliance with Section&nbsp;5.4(b)) relating to any Acquisition Proposal
(an &#147;<U>Alternative Acquisition Agreement</U>&#148;). </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(d) Notwithstanding anything to the contrary set forth in this
Section&nbsp;5.4, following receipt of a bona fide written Acquisition Proposal by the Company after the date of this Agreement that did not result from a material breach of this Section&nbsp;5.4 and that the Company Board determines in good faith,
after consultation with its outside legal counsel and financial advisors, constitutes a Superior Proposal, the Company Board may, at any time prior to the Company Stockholders Meeting, make an Adverse Recommendation Change or terminate this
Agreement to enter into an Alternative Acquisition Agreement with respect to such Superior Proposal in </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">A-38 </P>

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accordance with Section&nbsp;7.1(c)(ii), or authorize, resolve, agree or propose publicly to take any such action, if all of the following conditions are met: </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(i) (A)&nbsp;the Company shall have provided to Parent four Business Days&#146; prior written notice, which shall state expressly
(1)&nbsp;that it has received a written Acquisition Proposal that constitutes a Superior Proposal, (2)&nbsp;the material terms and conditions of the Acquisition Proposal (including the consideration offered therein and the identity of the Person or
group making the Acquisition Proposal) and shall have contemporaneously or previously provided an unredacted copy of the Alternative Acquisition Agreement and all other documents (other than immaterial documents) related to the Superior Proposal (it
being understood and agreed that any amendment to the financial terms or any other material term or condition of such Superior Proposal shall require a new notice and an additional two Business Day period) and (3)&nbsp;that, subject to clause
(ii)&nbsp;below, the Company Board has determined to make an Adverse Recommendation Change or to terminate this Agreement in accordance with Section&nbsp;7.1(c)(ii)&nbsp;in order to enter into the Alternative Acquisition Agreement, as applicable and
(B)&nbsp;prior to making such Adverse Recommendation Change or terminating this Agreement in accordance with Section&nbsp;7.1(c)(ii), as applicable, (x)&nbsp;the Company and its Representatives shall have engaged in good faith with Parent (to the
extent Parent wishes to engage) during such notice period, to consider any adjustments proposed by Parent to the terms and conditions of this Agreement such that the Alternative Acquisition Agreement ceases to constitute a Superior Proposal and
(y)&nbsp;in determining whether to make an Adverse Recommendation Change or to effect a termination in accordance with Section&nbsp;7.1(c)(ii), the Company Board shall have taken into account any changes to the terms of this Agreement proposed by
Parent and any other information provided by Parent in response to such notice; and </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(ii) the Company Board shall have determined, in
good faith, after consultation with its financial advisors and outside legal counsel, that, in light of such Superior Proposal and taking into account any revised terms proposed by Parent, such Superior Proposal continues to constitute a Superior
Proposal and that the failure to make such Adverse Recommendation Change or to so terminate this Agreement in accordance with Section&nbsp;7.1(c)(ii), as applicable, would reasonably be expected to be inconsistent with the directors&#146; fiduciary
duties under applicable Law. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(e) Notwithstanding anything to the contrary set forth in this Section&nbsp;5.4, upon the occurrence of any
Intervening Event, the Company Board may, at any time prior to the Company Stockholders Meeting, make an Adverse Recommendation Change if all of the following conditions are met: </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(i) the Company shall have (A)&nbsp;provided to Parent four Business Days&#146; prior written notice, which shall (1)&nbsp;set forth in
reasonable detail information describing the Intervening Event and the rationale for the Adverse Recommendation Change and (2)&nbsp;state expressly that, subject to clause (ii)&nbsp;below, the Company Board has determined to make an Adverse
Recommendation Change and (B)&nbsp;prior to making such an Adverse Recommendation Change, engaged in good faith with Parent (to the extent Parent wishes to engage) during such four Business Day period to consider any adjustments proposed by Parent
to the terms and conditions of this Agreement such that the failure of the Company Board to make an Adverse Recommendation Change in response to the Intervening Event in accordance with clause (ii)&nbsp;below would no longer reasonably be expected
to be inconsistent with the directors&#146; fiduciary duties under applicable Law; and </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(ii) the Company Board shall have determined in
good faith, after consultation with its outside legal counsel, that in light of such Intervening Event and taking into account any revised terms proposed by Parent, the failure to make an Adverse Recommendation Change would reasonably be expected to
be inconsistent with the directors&#146; fiduciary duties under applicable Law. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(f) The Company promptly (and in any event within 24
hours) shall advise Parent orally and in writing of (i)&nbsp;any Acquisition Proposal, (ii)&nbsp;any request for <FONT STYLE="white-space:nowrap">non-public</FONT> information relating to the Company or its Subsidiaries, other than requests for
information not related to, and not reasonably expected to lead to, an Acquisition Proposal and (iii)&nbsp;any inquiry or request for discussion or negotiation, or any inquiry or request </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">A-39 </P>

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related to, or that would reasonably be expected to result in or lead to, an Acquisition Proposal, including in each case the identity of the Person making any such Acquisition Proposal, inquiry
or request and the material terms of any such Acquisition Proposal, inquiry or request and copies of material communications received by the Company or any of its Representatives from such Person or its Representatives related thereto and thereafter
shall keep Parent informed, on a current basis, of the status and terms of any such proposals or offers and the status of any such discussions or negotiations, including any material amendments or proposed amendments as to price, proposed financing,
and other material terms thereof and provide Parent with copies of all material communications received by the Company or any of its Representatives from such Person or its Representatives related thereto. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(g) Nothing set forth in this Agreement shall prevent the Company or the Company Board from (i)&nbsp;taking and disclosing to its stockholders
a position contemplated by <FONT STYLE="white-space:nowrap">Rule&nbsp;14e-2(a),</FONT> <FONT STYLE="white-space:nowrap">Rule&nbsp;14d-9</FONT> or Item 1012(a)&nbsp;of Regulation <FONT STYLE="white-space:nowrap">M-A</FONT> promulgated under the
Exchange Act (or any similar communication to stockholders in connection with the making or amendment of a tender offer or exchange offer) or from (ii)&nbsp;making any required disclosure to the Company&#146;s stockholders if, in the good faith
judgment of the Company Board, after consultation with outside counsel, failure to disclose such information would reasonably be expected to violate its obligations under applicable Law; <U>provided</U>, that if any such position constitutes an
Adverse Recommendation Change, the Company and the Company Board shall have first complied with clauses (d)&nbsp;or (e)&nbsp;above, as applicable. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(h) As used in this Agreement: </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(i) &#147;<U>Acquisition Proposal</U>&#148; means any inquiry, proposal or offer from, or indication of interest in making a proposal or offer
by, any Person or group of Persons other than Parent or one of its Subsidiaries relating to any transaction or series of related transactions (other than the transactions contemplated by this Agreement), involving: (A)&nbsp;a merger, reorganization,
consolidation, share exchange, business combination, recapitalization, liquidation, dissolution or similar transaction involving an acquisition of the Company (or any Subsidiary or Subsidiaries of the Company whose business (together with its
Subsidiaries&#146;) constitutes 20% or more of the net revenues, net income or assets of the Company and its Subsidiaries, taken as a whole), (B)&nbsp;the acquisition in any manner, directly or indirectly, of 20% or more of the equity securities or
consolidated total assets of the Company and its Subsidiaries, in each case other than the Merger and the other transactions contemplated by this Agreement, (C)&nbsp;the liquidation, dissolution (or the adoption of a plan of liquidation or
dissolution), or recapitalization or other significant corporate reorganization of the Company or one or more of its Subsidiaries which constitutes 20% or more of the net revenues, net income or assets of the Company and its Subsidiaries, taken as a
whole or (D)&nbsp;any combination of the foregoing. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(ii) &#147;<U>Adverse Recommendation Change</U>&#148; means the Company Board:
(a)&nbsp;failing to make, withdrawing, amending, modifying, or materially qualifying, in a manner adverse to Parent, the Company Board Recommendation; (b)&nbsp;failing to include the Company Board Recommendation in the Proxy Statement that is filed
with the SEC or mailed to the Company&#146;s stockholders; (c)&nbsp;recommending an Acquisition Proposal; (d)&nbsp;failing to recommend against acceptance of any tender offer or exchange offer for Shares within 10 Business Days after the
commencement of such offer; (e)&nbsp;failing to reaffirm (publicly, if so requested by Parent) the Company Board Recommendation within 10 Business Days after the date any Acquisition Proposal (or material modification thereto) is first publicly
disclosed by the Company or the Person making such Acquisition Proposal; or (f)&nbsp;resolving or agreeing to take any of the foregoing actions. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(iii) &#147;<U>Intervening Event</U>&#148; means, with respect to the Company or its Subsidiaries, a material event occurring or arising
after the date hereof that (i)&nbsp;was not known to, or reasonably foreseeable by, the Company Board prior to the execution of this Agreement (or if known or reasonably foreseeable, the material consequences of which were not known or reasonably
foreseeable), which effect, or any material consequence thereof, becomes known to, or reasonably foreseeable by, the Company Board prior to the Company Stockholders Meeting and (ii)&nbsp;does not relate to an Acquisition Proposal or the receipt,
existence, or terms of an Acquisition Proposal. </P>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(iv) &#147;<U>Superior Proposal</U>&#148; means any bona fide written Acquisition Proposal
on terms which the Company Board determines in good faith, after consultation with the Company&#146;s outside legal counsel and financial advisors, to be (A)&nbsp;more favorable from a financial point of view to the holders of Shares than the Merger
and the other transactions contemplated by this Agreement, taking into account all the terms and conditions of such proposal, and this Agreement and (B)&nbsp;reasonably capable of being completed, in each case taking into account all financial,
regulatory, legal and other aspects of such proposal, including the identity of the third party making such proposal, and any revisions to the terms of this Agreement and the Merger proposed by Parent; <U>provided</U>, that for purposes of the
definition of &#147;Superior Proposal,&#148; the references to &#147;20%&#148; in the definition of Acquisition Proposal shall be deemed to be references to &#147;50%.&#148; </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_66"></A>Section&nbsp;5.5 <U>Preparation of Form</U><U></U><U><FONT STYLE="white-space:nowrap">&nbsp;S-4</FONT> and
Proxy Statement; Stockholders&#146; Meeting</U>. </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(a) As promptly as reasonably practicable following the date of this Agreement,
(i)&nbsp;Parent and the Company shall jointly prepare and file with the SEC the Proxy Statement and (ii)&nbsp;Parent shall prepare (with the Company&#146;s reasonable cooperation) and file with the SEC the
<FONT STYLE="white-space:nowrap">Form&nbsp;S-4,</FONT> in which the Proxy Statement will be included as a prospectus in connection with the registration under the Securities Act of the Parent Common Stock to be issued in the Merger. Parent, Merger
Sub and the Company will cooperate with each other in the preparation of the Proxy Statement and the <FONT STYLE="white-space:nowrap">Form&nbsp;S-4.</FONT> Without limiting the generality of the foregoing, each of Parent, Merger Sub and the Company
will furnish to each other the information relating to it required by the Exchange Act and the rules&nbsp;and regulations promulgated thereunder to be set forth in the Proxy Statement and the <FONT STYLE="white-space:nowrap">Form&nbsp;S-4.</FONT>
Parent shall not file the <FONT STYLE="white-space:nowrap">Form&nbsp;S-4,</FONT> or any amendment or supplement thereto, without providing the Company a reasonable opportunity to review and comment thereon (which comments shall be reasonably
considered by Parent). Each of Parent and the Company shall use its reasonable best efforts to have the <FONT STYLE="white-space:nowrap">Form&nbsp;S-4</FONT> declared effective under the Securities Act as promptly as practicable after such filing
(including by responding to comments of the SEC), and, prior to the effective date of the <FONT STYLE="white-space:nowrap">Form&nbsp;S-4,</FONT> Parent shall take all action reasonably required to be taken under any applicable state securities Laws
in connection with the issuance of Parent Common Stock in the Merger and keep the <FONT STYLE="white-space:nowrap">Form&nbsp;S-4</FONT> effective through the Closing Date in order to permit the consummation of the Merger. Each of Parent, Merger Sub
and the Company shall use its reasonable best efforts to cause the <FONT STYLE="white-space:nowrap">Form&nbsp;S-4</FONT> and the Proxy Statement at the date that it (and any amendment or supplement thereto) is first published, sent, or given to the
stockholders of the Company, as applicable, and at the time of the Company Stockholders Meeting, to comply as to form in all material respects with the requirements of the Exchange Act and the rules&nbsp;and regulations promulgated thereunder. Each
of Parent, Merger Sub and the Company shall use its reasonable best efforts to resolve, and each party agrees to consult and cooperate with the other party in resolving, all SEC comments with respect to the
<FONT STYLE="white-space:nowrap">Form&nbsp;S-4</FONT> and the Proxy Statement as promptly as practicable after receipt thereof and to cause the Proxy Statement in definitive form to be cleared by the SEC and mailed to the Company&#146;s stockholders
as promptly as reasonably practicable following filing with the SEC. Parent agrees to consult with the Company prior to responding to SEC comments with respect to the <FONT STYLE="white-space:nowrap">Form&nbsp;S-4.</FONT> Each of Parent, Merger Sub
and the Company agrees to correct any information provided by it for use in the <FONT STYLE="white-space:nowrap">Form&nbsp;S-4</FONT> and the Proxy Statement which shall have become false or misleading and Parent and the Company shall promptly
prepare and mail to its stockholders an amendment or supplement setting forth such correction, to the extent required by Law. Parent shall as soon as reasonably practicable: (i)&nbsp;notify the Company of the receipt of any comments from the SEC
with respect to the <FONT STYLE="white-space:nowrap">Form&nbsp;S-4</FONT> and any request by the SEC for any amendment to the <FONT STYLE="white-space:nowrap">Form&nbsp;S-4</FONT> or for additional information; and (ii)&nbsp;provide the Company with
copies of all written correspondence between Parent and its Representatives, on the one hand, and the SEC, on the other hand, with respect to the <FONT STYLE="white-space:nowrap">Form&nbsp;S-4.</FONT> The parties hereto shall notify each other
promptly of the time when the <FONT STYLE="white-space:nowrap">Form&nbsp;S-4</FONT> has become effective, of the issuance of any stop order or suspension of the qualification of the Parent Common Stock issuable in connection with the Merger for
offering or sale in any jurisdiction (in which case the parties shall use their respective commercially reasonable efforts to have any such stop order or suspension lifted, reversed or otherwise terminated). </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(b) As promptly as reasonably practicable following the effectiveness of the <FONT STYLE="white-space:nowrap">Form&nbsp;S-4,</FONT> the
Company, including acting through the Company Board, shall (i)&nbsp;take all action necessary to duly call, give notice of, </P>
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convene and hold a meeting of its stockholders for the purpose of obtaining the Company Stockholder Approval (the &#147;<U>Company Stockholders Meeting</U>&#148;) and (ii)&nbsp;except to the
extent that the Company Board shall have effected an Adverse Recommendation Change in accordance with Section&nbsp;5.4(c), include in the Proxy Statement the recommendation of the Company Board that the stockholders of the Company vote in favor of
the approval of this Agreement. Subject to Section&nbsp;5.4(c), the Company shall use reasonable best efforts to: (i)&nbsp;solicit from the holders of Shares proxies in favor of the adoption of this Agreement and approval of the Merger; and
(ii)&nbsp;take all other actions necessary or advisable to secure the vote or consent of the holders of Shares required by applicable Law to obtain such approval; <U>provided</U>, that in the event that an Adverse Recommendation Change has been made
and this Agreement has not been terminated, nothing in this sentence or this Section&nbsp;5.5 shall require the Company to take any actions to solicit any proxies or votes to obtain the Company Stockholder Approval, other than mailing the Proxy
Statement to the Company&#146;s stockholders and the collection of such votes. The Company shall not submit any other proposals for approval at the Company Stockholders Meeting without the prior written consent of Parent (other than an advisory vote
regarding merger-related compensation and a customary proposal regarding the adjournment of the Company Stockholders Meeting). The Company shall keep Parent and Merger Sub updated with respect to proxy solicitation results as reasonably requested
Parent or Merger Sub. The Company shall have the right, after good faith consultation with Parent, to, and shall at the request of Parent, postpone or adjourn the Company Stockholders Meeting for no longer than 20 Business Days in the aggregate:
(A)&nbsp;for the absence of a quorum, or (B)&nbsp;to allow reasonable additional time to solicit additional proxies to the extent that at such time, taking into account the amount of time until the Company Stockholder Meeting, the Company has not
received a number of proxies that would reasonably be believed to be sufficient to obtain the Company Stockholder Approval at the Company Stockholders Meeting. If the Company Board makes an Adverse Recommendation Change, it will not alter the
obligation of the Company to submit the adoption of this Agreement and the approval of the Merger to the holders of Shares at the Company Stockholders Meeting to consider and vote upon, unless this Agreement shall have been terminated in accordance
with its terms prior to the Company Stockholders Meeting. The Company shall, in no event later than the fifth Business Day following the date of this Agreement, conduct a &#147;broker search&#148; as contemplated by and in accordance with <FONT
STYLE="white-space:nowrap">Rule&nbsp;14a-13</FONT> promulgated under the Exchange Act with respect to the Company Stockholders Meeting (based on a record date that is 20 Business Days following the date on which such broker search is commenced). If
at any time the current record date for the Company Stockholders Meeting is not reasonably likely to satisfy the requirements of the Company&#146;s organizational documents and applicable Law, the Company shall, in consultation with Parent, set a
new record date and shall continue to comply with the &#147;broker search&#148; requirements of <FONT STYLE="white-space:nowrap">Rule&nbsp;14a-13</FONT> promulgated under the Exchange Act with respect to any such new record date. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_67"></A>Section&nbsp;5.6 <U>Access to Information; Confidentiality</U>. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(a) From the date hereof to the Effective Time or the earlier termination of this Agreement, upon reasonable prior written notice, the Company
shall, and shall cause its Subsidiaries, officers, directors and representatives to, afford to Parent and its representatives reasonable access during normal business hours, consistent with applicable Law (including any Public Health Measures), to
its officers, properties, offices, other facilities and books and records, and, subject to the limitations in Sections 5.11(e)(ii), 5.11(e)(iii), 5.11(e)(iv), 5.11(e)(vii), 5.11(e)(viii)&nbsp;and 5.11(e)(ix), shall furnish Parent with all financial,
operating and other data and information as Parent shall reasonably request in writing (it being agreed, however, that the foregoing shall not permit Parent or its officers, employees or representatives to conduct any invasive environmental testing
or sampling of any environmental media, including but not limited to facility surface and subsurface soils and water, air or building materials). Notwithstanding the foregoing, any such investigation or consultation shall be conducted in such a
manner as not to interfere unreasonably with the business or operations of the Company or its Subsidiaries or otherwise result in any significant interference with the prompt and timely discharge by the employees of the Company or its Subsidiaries
of their normal duties. Neither the Company nor any of its Subsidiaries shall be required to provide access to or to disclose information where such access or disclosure would (i)&nbsp;breach any agreement with any third-party, (ii)&nbsp;constitute
a waiver of or jeopardize the attorney-client or other privilege held by the Company or (iii)&nbsp;otherwise violate any applicable Law (<U>provided</U>, that, with respect to information that may be the subject of clauses (i)&nbsp;through (iii),
the Company and its Subsidiaries shall </P>
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cooperate in good faith with Parent and its representatives to disclose the subject information in an alternative manner that would circumvent the applicability of clauses (i)&nbsp;through
(iii)). </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(b) Each of Parent and Merger Sub will hold and treat and will cause its Representatives to hold and treat all documents and
information concerning the Company and its Subsidiaries furnished to Parent or Merger Sub in connection with the transactions contemplated by this Agreement in accordance with the <FONT STYLE="white-space:nowrap">Non-Disclosure</FONT> Agreement,
dated as of May&nbsp;9, 2022, between Parent and the Company (the &#147;<U>Confidentiality Agreement</U>&#148;), which Confidentiality Agreement shall remain in full force and effect in accordance with its terms. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_68"></A>Section&nbsp;5.7 <U>Further Action; Efforts</U>. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(a) Upon the terms and subject to the conditions of this Agreement, each of the parties shall use its reasonable best efforts to take, or cause
to be taken, all actions and to do, or cause to be done, and cooperate with each other in order to do, all things necessary, proper or advisable under applicable Law (including under any Antitrust Law) to consummate the Merger and the other
transactions contemplated by this Agreement at the earliest practicable date, including: (i)&nbsp;causing the preparation and filing of all forms, registrations and notices required to be filed to consummate the Merger and using reasonable best
efforts to take such actions as are necessary to obtain any requisite consent or expiration of any applicable waiting period under the HSR Act or any other Antitrust Law; (ii)&nbsp;using reasonable best efforts to defend all lawsuits and other
proceedings by or before any Governmental Entity challenging this Agreement or the consummation of the Merger; and (iii)&nbsp;using reasonable best efforts to resolve any objection asserted with respect to the transactions contemplated under this
Agreement under any Antitrust Law raised by any Governmental Entity and to prevent the entry of any court order, and to have vacated, lifted, reversed or overturned any injunction, decree, ruling, order or other action of any Governmental Entity
that would prevent, prohibit, restrict or delay the consummation of the transactions contemplated by this Agreement. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(b) In furtherance
and not in limitation of the provisions of Section&nbsp;5.7(a), each of the parties, as applicable, agrees to prepare and file as promptly as practicable, and in any event by no later than 10 Business Days from the date of this Agreement an
appropriate filing of a Notification and Report Form&nbsp;pursuant to the HSR Act. Parent shall pay all filing fees for the filings required to be made by the Company and Parent under the HSR Act. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(c) If a party receives a request for information or documentary material from any Governmental Entity with respect to this Agreement or the
transactions contemplated hereby, including but not limited to a Second Request for Information under the HSR Act, then such party shall in good faith make, or cause to be made, as soon as reasonably practicable and after consultation with the other
party, a response which is, at a minimum, in substantial compliance with such request. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(d) The parties shall keep each other apprised
with respect to the matters set forth in this Section&nbsp;5.7 and work cooperatively in connection with obtaining the approvals of or clearances from each applicable Governmental Entity, including: </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(i) cooperating with each other in connection with filings required to be made by any party under any Antitrust Law and liaising with each
other in relation to each step of the procedure before the relevant Governmental Entities and as to the contents of all material communications with such Governmental Entities. In particular, to the extent permitted by Law or Governmental Entity, no
party will make any notification in relation to the transactions contemplated hereunder without first providing the other party with a copy of such notification in draft form and giving such other party a reasonable opportunity to discuss its
content before it is filed with the relevant Governmental Entities, and such first party shall consider and take account of all reasonable comments timely made by the other party in this respect; </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(ii) furnishing to the other party, to the extent permitted by Law, all information within its possession that is required for any
application or other filing to be made by the other party pursuant to the applicable Law in connection with the transactions contemplated by this Agreement; </P>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(iii) promptly notifying each other of any material communications from or with any
Governmental Entity with respect to the matters set forth in this Section&nbsp;5.7 and ensuring to the extent permitted by Law or Governmental Entity that each of the parties is entitled to attend any meetings with or other appearances before any
Governmental Entity with respect thereto; </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(iv) consulting and cooperating with one another in connection with all analyses, appearances,
presentations, memoranda, briefs, arguments, opinions and proposals made or submitted by or on behalf of any party hereto in connection with proceedings under or relating to the Antitrust Laws; and </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(v) without prejudice to any rights of the parties hereunder, consulting and cooperating in all respects with the other in defending all
lawsuits and other proceedings by or before any Governmental Entity challenging this Agreement or the consummation of the Merger or the other transactions contemplated by this Agreement. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(e) In addition, Parent shall use reasonable best efforts to take, or cause to be taken, all other actions and to do, or cause to be done, all
other things necessary, proper or advisable under all Antitrust Laws and other applicable Laws to consummate the transactions contemplated by this Agreement, including using its reasonable best efforts to obtain the expiration of all waiting periods
and obtain all other approvals and any other consents required to be obtained in order for the parties to consummate the transactions contemplated by this Agreement. Notwithstanding the foregoing or any other provision of this Agreement, Parent
(i)&nbsp;shall have the right to determine and direct the strategy and process by which the parties will seek required approvals under the HSR Act and any Antitrust Laws, (ii)&nbsp;unless otherwise requested by a Governmental Entity for a specific
meeting or communication shall take the lead in all meetings and communications with any Governmental Entity and (iii)&nbsp;shall determine the appropriate timing of any meetings or communications with any Governmental Entity (including the timing
of the submission of any filing with, or response to any request by, a Governmental Entity or any action taken pursuant to this Section&nbsp;5.7). </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(f) Notwithstanding anything to the contrary set forth in this Agreement, the obligations of Parent under this Section&nbsp;5.7 shall include
Parent committing itself and its Affiliates to and, to the extent requested by Parent, the obligations of the Company under this Section&nbsp;5.7 shall include the Company and its Subsidiaries: (i)&nbsp;selling, divesting, or otherwise conveying
particular assets, categories, portions or parts of assets or businesses of Parent and its Subsidiaries and Affiliates, the Company or the Company&#146;s Subsidiaries; (ii)&nbsp;agreeing to sell, divest, or otherwise convey any particular asset,
category, portion or part of an asset or business of the Company and its Subsidiaries contemporaneously with or subsequent to the Effective Time; (iii)&nbsp;after request of Parent or with Parent&#146;s prior written consent, permitting the Company
to sell, divest, or otherwise convey any of the particular assets, categories, portions or parts of assets or business of the Company or any of its Subsidiaries prior to the Effective Time; (iv)&nbsp;licensing, holding separate or entering into
similar arrangements with respect to its respective assets or the assets of the Company or undertaking other structural or conduct relief or behavioral remedies, including with respect to the conduct of business arrangements or terminating existing
relationships and contractual rights and obligations and (v)&nbsp;agree to, if necessary to consummate the transactions contemplated by this Agreement, obtain prior approval or other approval from a Governmental Entity, or submit a notification or
otherwise notify any Governmental Entity, prior to consummating any future transaction (other than the transactions contemplated by this Agreement) as a condition to obtaining any and all expirations of waiting periods under the HSR Act or other
Antitrust Laws or consents from any Governmental Entity necessary to consummate the transactions contemplated hereby. Notwithstanding anything to the contrary in this Agreement, nothing in this Agreement shall require Parent or Merger Sub, or any of
their respective Subsidiaries or Affiliates to commit to or effect any action, effort, or agreement (1)&nbsp;that is not conditioned upon the consummation of the Merger or (2)&nbsp;that, when taken together with all other actions, efforts or
agreements set forth under this Section&nbsp;5.7 would reasonably be expected to have a material adverse effect on the business, operations, financial condition or results of operations of Parent and its Subsidiaries (including the Company and its
Subsidiaries), taken as a whole (assuming for purposes of such analysis that Parent and its Subsidiaries (including the Company and its Subsidiaries), taken as a whole, were the same size, with the same financial profile, as the Company and
</P>
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its Subsidiaries, taken as a whole). The Company and its Subsidiaries shall not, prior to the Effective Time, propose, negotiate, commit to, effect, or agree to any actions, efforts or agreements
pursuant to this Section&nbsp;5.7, except at the request of Parent or with Parent&#146;s prior written consent. Notwithstanding anything to the contrary in this Agreement, nothing in this Agreement shall require Company or any of its Subsidiaries to
commit to or effect any action, effort, or agreement that is not conditioned upon the consummation of the Merger. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(g) Each party
acknowledges and agrees that the other party may, as it deems advisable, designate any competitively sensitive materials provided to the other party pursuant to this Agreement as &#147;outside counsel only.&#148; Such materials and the information
contained therein shall be given only to outside counsel of the recipient and shall not be disclosed by such outside counsel to employees, officers or directors of the recipient without the prior written consent of the disclosing party;
<U>provided</U>, <U>further</U>, that any information or materials provided to or received by any party may be redacted as necessary (a)&nbsp;to comply with contractual arrangements; (b)&nbsp;to address reasonable attorney-client or other privilege
or confidentiality concerns; and (c)&nbsp;to remove information related to related to a party&#146;s (or its Affiliates&#146;) valuation of the transactions contemplated by this Agreement. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(h) For the avoidance of doubt, in the event either party receives a letter from any Governmental Entity stating that although the waiting
period under the HSR Act applicable to the transactions contemplated by this Agreement will soon expire, the Governmental Entity has not yet completed any purported investigation of the proposed transaction (a
<FONT STYLE="white-space:nowrap">&#147;Pre-Consummation</FONT> Warning Letter&#148;), the parties agree that the receipt by either or both of them of a <FONT STYLE="white-space:nowrap">Pre-Consummation</FONT> Warning Letter or other verbal or
written communications from the Governmental Entity to the same effect shall not be a basis for asserting that any condition to Closing under Article&nbsp;VI hereof has not been satisfied. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(i) For purposes of this Agreement, &#147;<U>Antitrust Law</U>&#148; means the Sherman Act, as amended, the Clayton Act, as amended, the HSR
Act, the Federal Trade Commission Act, as amended and all other Laws that are designed or intended to prohibit, restrict or regulate actions having the purpose or effect of monopolization or restraint of trade or lessening of competition through
merger or acquisition. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_69"></A>Section&nbsp;5.8 <U>Employment and Employee Benefits Matters; Other Plans</U>.
</P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(a) For purposes of this Section&nbsp;5.8, (i)&nbsp;the term &#147;<U>Covered Employees</U>&#148; shall mean employees who are actively
employed by the Company or any of its Subsidiaries immediately prior to the Effective Time; and (ii)&nbsp;the term &#147;<U>Continuation Period</U>&#148; shall mean the period beginning at the Effective Time and ending on the date that is 12 months
following the Effective Time. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(b) During the Continuation Period or, if shorter, through the termination of employment of the applicable
Covered Employee, Parent shall provide each Covered Employee with (i)&nbsp;a base salary or wage rate no less than in effect immediately prior to the Effective Time, (ii)&nbsp;annual cash target bonus (other than change in control and retention
bonuses) opportunities no less than in effect immediately prior to the Effective Time, and (iii)&nbsp;employee benefits (excluding defined benefit pension plans, plans providing for retiree medical benefits, plans that provide equity-based
compensation and plans that provide for payments or benefits upon a change in control, nonqualified deferred compensation opportunities and/or retention benefits), that are substantially comparable in the aggregate to the employee benefits provided
by the Company or its Subsidiaries to Covered Employees as in effect immediately before the Effective Time. In addition, during the Continuation Period, Parent shall provide each Covered Employee with severance benefits described on
Section&nbsp;5.8(b)&nbsp;of the Company Disclosure Letter. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(c) As of and after the Effective Time, Parent will, or will cause the
Surviving Corporation to, give Covered Employees full credit for purposes of eligibility and vesting and benefit accruals (but not for purposes of benefit accruals under any defined benefit pension plans and not in respect of any frozen or
grandfathered plans), under any employee compensation, incentive, and benefit (including vacation) plans, programs, policies and </P>
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arrangements maintained for the benefit of Covered Employees as of and after the Effective Time by Parent, its Subsidiaries or the Surviving Corporation for the Covered Employees&#146; service
with the Company, its Subsidiaries and their predecessor entities (each, a &#147;<U>Parent Plan</U>&#148;) to the same extent recognized by the Company immediately prior to the Effective Time. With respect to each Parent Plan that is a &#147;welfare
benefit plan&#148; (as defined in Section&nbsp;3(1)&nbsp;of ERISA), Parent and its Subsidiaries shall use commercially reasonable efforts to (i)&nbsp;cause there to be waived any <FONT STYLE="white-space:nowrap">pre-existing</FONT> condition or
eligibility limitations and (ii)&nbsp;with respect to the plan year of the applicable Parent Plan in which the Effective Time occurs, give effect, in determining any deductible and maximum <FONT STYLE="white-space:nowrap"><FONT
STYLE="white-space:nowrap">out-of-pocket</FONT></FONT> limitations, to claims incurred and amounts paid by, and amounts reimbursed to, Covered Employees under similar plans maintained by the Company and its Subsidiaries immediately prior to the
Effective Time for the plan year in which the Effective Time occurs. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(d) From and after the Effective Time, except as otherwise agreed in
writing between Parent and a Covered Employee or as otherwise provided in this Agreement, Parent will honor, and will cause its Subsidiaries to honor, in accordance with its terms, each Company Plan (subject to any rights to terminate, amend or
modify such plans in accordance with their terms in the Parent&#146;s sole discretion) </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(e) If requested by Parent, the Company shall take
all actions to provide that (a)&nbsp;the IEA Group Savings Plan (the &#147;<U>Retirement Plan</U>&#148;) shall be terminated effective no later than the day immediately prior to the Closing Date (the &#147;<U>Retirement Plan Termination
Date</U>&#148;), (b)&nbsp;no new participants shall be admitted to the Retirement Plan on and after the Retirement Plan Termination Date, (c)&nbsp;all accounts of participants in the Retirement Plan shall be fully vested and 100% <FONT
STYLE="white-space:nowrap">non-forfeitable</FONT> on and after the Retirement Plan Termination Date, and (d)&nbsp;as soon as reasonably practicable after the Retirement Plan Termination Date, the trustee of the Retirement Plan shall distribute the
vested account balances to all Retirement Plan participants in accordance with the terms of the Retirement Plan. In such event, and to the extent permitted under the terms of the <FONT STYLE="white-space:nowrap">tax-qualified</FONT> defined
contribution plan sponsored by Parent or an Affiliate and applicable Law, Parent shall permit Covered Employees to directly roll over their account balances (including any loan promissory notes) under the Retirement Plan to a <FONT
STYLE="white-space:nowrap">tax-qualified</FONT> defined contribution plan sponsored by Parent or an Affiliate. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(f) Notwithstanding
anything to the contrary contained in this Agreement, nothing contained in this Agreement shall (i)&nbsp;be treated as an amendment to any Company Plan or Parent Plan, (ii)&nbsp;obligate Parent or the Surviving Corporation to maintain any particular
benefit plan or arrangement or (iii)&nbsp;prevent Parent or the Surviving Corporation from amending or terminating any benefit plan or arrangement. Nothing herein is intended to provide any individual any third party beneficiary rights under this
Agreement. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_70"></A>Section&nbsp;5.9 <U>Takeover Laws</U>. If any Takeover Law is or becomes applicable to this
Agreement, the Merger or any of the other transactions contemplated hereby, each of the Company and the Company Board shall take all action necessary to ensure that the Merger and the other transactions contemplated hereby may be consummated as
promptly as practicable on the terms contemplated by this Agreement and otherwise to eliminate or minimize the effect of such Takeover Law on this Agreement, the Merger and the other transactions contemplated hereby. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_71"></A>Section&nbsp;5.10 <U>Nasdaq Delisting</U>. To the extent requested by Parent, prior to the Closing Date, the
Company shall cooperate with Parent and use its reasonable best efforts to take, or cause to be taken, all actions, and do or cause to be done all things, reasonably necessary, proper or advisable on its part under applicable Laws and rules&nbsp;and
policies of Nasdaq to enable the delisting by the Surviving Corporation of the Shares from Nasdaq as promptly as practicable after the Effective Time and the deregistration of the Shares under the Exchange Act at the Effective Time. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_72"></A>Section&nbsp;5.11 <U>Debt Financing</U>. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(a) Parent shall use reasonable best efforts to take, or cause to be taken, all actions and use reasonable best efforts to do, or cause to be
done, all things necessary or advisable to arrange the Debt Financing, including: </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(i) maintain in effect the Debt Commitment Letter and
not permit any amendment or modification to be made to, not consent to any waiver of any provision or remedy under, and not replacing, the Debt </P>
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Commitment Letter, if such amendment, modification, consent, waiver or replacement: (A)&nbsp;reduces the aggregate amount of the Debt Financing (including, after giving effect to any &#147;market
flex&#148; provisions, by changing the amount of fees to be paid or original issue discount of the Debt Financing) to an amount less than the amount (when taken together with Parent&#146;s cash on hand and any other readily available funds)
necessary to pay the Merger Consideration and all other amounts required to pursuant to this Agreement (together with all related fees and expenses required to be paid by Parent in connection with the transactions contemplated hereby) or
(B)&nbsp;imposes new or additional conditions or otherwise expands, amends or modifies any of the conditions to the receipt of the Debt Financing in a manner that would reasonably be expected to (1)&nbsp;materially delay or prevent the Closing or
(2)&nbsp;make the funding of the Debt Financing (or satisfaction of the conditions to obtaining the Debt Financing) less likely to occur in any material respect. At the reasonable written request of the Company, Parent shall keep the Company
reasonably apprised of the status and terms and conditions of any amendments, modifications, waivers or replacements of the Debt Commitment Letter, and shall promptly furnish to the Company copies of any such amendment, modification, waiver or
replacement; </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(ii) satisfy on a timely basis all conditions to the Debt Financing that are within its control; </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(iii) negotiate, execute and deliver definitive debt financing documents that reflect the terms contained in the Debt Commitment Letter
(including any &#147;market flex&#148; provisions related thereto), subject to any amendments, modifications, consents or waivers thereto or replacements thereof permitted by this Agreement and any changes in terms that would not violate this
Agreement; and </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(iv) cause the Debt Financing to be funded in the full amount of the Debt Financing at or prior to the Closing (including
by enforcing its rights under the Debt Commitment Letter). </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(b) Upon the reasonable request of the Company, Parent and Merger Sub shall
(i)&nbsp;keep the Company informed in reasonable detail of the status of its efforts to arrange the Debt Financing and (ii)&nbsp;promptly provide the Company with copies of all executed material amendments, modifications or replacements of the Debt
Commitment Letter or executed material definitive agreements related to any of the Debt Financing. Parent and Merger Sub shall give the Company prompt notice of any breach or repudiation, or any threatened breach or repudiation, by any party to the
Debt Commitment Letter to which it becomes aware (a &#147;<U>Financing Failure Event</U>&#148;). Without limiting Parent&#146;s other obligations under this Section&nbsp;5.11, if a Financing Failure Event occurs and is continuing, Parent shall
(i)&nbsp;promptly notify the Company of such event and (ii)&nbsp;use its reasonable best efforts to obtain alternative financing from alternative debt financing sources, in an amount sufficient, when taken together with the available portion of the
Debt Financing, Parent&#146;s cash on hand and any other readily available funds, to pay the Merger Consideration, and all other amounts required to be paid pursuant to this Agreement and consummate the Merger and the other transactions contemplated
hereby as promptly as practicable following the occurrence of such event; <U>provided</U>, that in no event will Parent or Merger Sub be required to (x)&nbsp;agree to any terms that are, in the sole discretion of Parent or Merger Sub, as applicable,
materially less favorable (taken as a whole) to Parent or Merger Sub than those set forth in the Debt Commitment Letter in effect on the date hereof (after giving effect to any applicable &#147;market flex&#148; provisions) or (y)&nbsp;pay any fees,
original issue discount, interest or other economics, as applicable, or agree to any prepayment premium or call protection, in each case, in excess of those contemplated by the Debt Commitment Letter (after giving effect to any applicable
&#147;market flex&#148; provisions). As applicable, references in this Agreement (A)&nbsp;to Debt Financing shall include any such alternative financing, and (B)&nbsp;to the Debt Commitment Letter shall include the alternative financing commitment
letter. If the Debt Commitment Letter is replaced, amended, restated, amended and restated, supplemented or modified, including as a result of obtaining alternative financing, or if Parent or Merger Sub substitute other debt financing for all or any
portion of the Debt Financing in accordance with this Section&nbsp;5.11, each of Parent and Merger Sub shall comply with its obligations under this Agreement, including this Section&nbsp;5.11 with respect to the Debt Commitment Letter as so
replaced, amended, restated, amended and restated, supplemented or modified to the same extent that Parent and Merger Sub were obligated to comply prior to the date the Debt Commitment Letter was so replaced, amended, restated, amended and restated,
supplemented or modified. Parent shall not, and shall use its reasonable best efforts to cause its Affiliates not to, take or refrain </P>
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from taking, directly or indirectly, any action that would reasonably be expected to result in a failure of any of the conditions contained in the Debt Commitment Letters or in any definitive
agreement related to the Debt Financing. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(c) Prior to the Effective Time, the Company shall, and shall cause its Subsidiaries to, and
shall use its reasonable best efforts to cause its and their Representatives to, provide customary cooperation and information that is customary and reasonably requested by Parent in connection with the Debt Financing, including (x)&nbsp;as promptly
as reasonably practicable, furnishing Parent with the Required Information that is Compliant and (y)&nbsp;using reasonable best efforts in connection with: </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(i) providing reasonable and customary assistance to Parent in the preparation of customary offering and marketing documents (and any
supplements thereto) in connection with any Debt Financing, including designating whether any information provided to Parent constitutes material <FONT STYLE="white-space:nowrap">non-public</FONT> information; </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(ii) furnishing to the applicable Debt Financing Sources customary authorization letters (subject to customary confidentiality provisions and
disclaimers) authorizing the distribution of information and including customary representations; </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(iii) reasonably cooperating with
customary diligence reasonably requested by Parent or the applicable Debt Financing Sources, including participating in a reasonable number of due diligence sessions, and reasonably cooperating with the customary marketing efforts of Parent, in each
case, in connection with any Debt Financing; </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(iv) reasonably cooperating with Parent&#146;s legal counsels in connection with any legal
opinions that such legal counsels may be required to deliver in connection with any Debt Financing; </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(v) assisting in the preparation for
and participating (and using commercially reasonable efforts to cause senior management and representatives of the Company and its Subsidiaries to participate) in a reasonable number of lender and investor meetings (including meetings with the
parties acting as lead arrangers or agents for, and prospective lenders and investors with respect to, the Debt Financing), calls, presentations, road shows, due diligence sessions (including accounting due diligence sessions), drafting sessions,
and sessions with rating agencies, in each case, upon reasonable advance notice and at mutually agreeable locations (which may be virtual) dates and times, and assist Parent in obtaining ratings (but not any specific rating) as contemplated by the
Debt Financing; </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(vi) if (1)&nbsp;required under applicable SEC rules&nbsp;and regulations, in connection with a registered offering of
debt securities as part of the Debt Financing and (2)&nbsp;a Supplemental Indenture has not been executed, then solely with respect to financial information and data derived from the Company&#146;s historical books and records, assisting Parent with
its preparation of pro forma financial information (including pro forma financial statements) of the type customarily included in offering documents or marketing materials for debt financings similar to the Debt Financing, it being agreed that the
Company will not be required to provide any information or assistance relating to (A)&nbsp;the proposed aggregate amount of any debt financing, together with assumed interest rates, fees and expenses relating to the incurrence of such debt
financing, (B)&nbsp;any post-Closing or pro forma cost savings, synergies, capitalization or ownership desired to be incorporated into any information used in connection with the Debt Financing or (C)&nbsp;any financial information related to Parent
or any of its Subsidiaries; </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(vii) executing and delivering as of the Closing Date any credit agreements, indentures, guaranty
agreements, supplemental indentures, currency or interest hedging arrangements, other definitive financing documents, or other certificates or documents as may be reasonably requested by Parent, it being understood that the effectiveness of such
documents shall be conditioned upon, or become operative only after, the occurrence of the Effective Time; and </P>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(viii) if a Supplemental Indenture has not been executed, causing the Company&#146;s
independent auditors to (A)&nbsp;furnish customary consents for use of their auditor opinions in any materials related to any debt securities issued in lieu of all or a portion of the Debt Financing, (B)&nbsp;provide, consistent with customary
practice, customary comfort letters (including &#147;negative assurance&#148; comfort and change period comfort) with respect to financial information relating to the Company and its Subsidiaries as reasonably requested by Parent or as necessary or
customary for financings similar to the Debt Financing (including any offering or private placement of debt securities pursuant to Rule&nbsp;144A under the Securities Act in lieu of all or a portion of the Debt Financing) and (C)&nbsp;attend a
reasonable number of accounting due diligence sessions and drafting sessions; and </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(ix) furnishing Parent promptly (and in any event at
least five Business Days prior to the Closing Date) with all documentation and other information reasonably required by regulatory authorities under applicable &#147;know your customer&#148; and anti-money laundering rules&nbsp;and regulations,
including without limitation the PATRIOT Act, and the requirements of 31 C.F.R. &#167;1010.230, to the extent reasonably requested by Parent in writing at least nine Business Days prior to the Closing Date. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(d) The Company hereby consents to the customary use of its and its Subsidiaries&#146; logos in connection with the Debt Financing so long as
such logos are used in a manner that is not intended or reasonably likely to harm, disparage or otherwise adversely affect the Company or any of its Subsidiaries or the reputation or goodwill of the Company or any of its Subsidiaries. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(e) Notwithstanding anything to the contrary in this Section&nbsp;5.11, neither the Company nor any of its Subsidiaries shall pursuant to this
Section&nbsp;5.11: </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(i) be required to incur any costs, expenses or other liabilities prior to the Effective Time for which it is not
previously or promptly reimbursed, subject to reimbursement or simultaneously indemnified (except, in the case of any indemnity, to the extent this Agreement is terminated by Parent pursuant to Section&nbsp;7.1(d)(i)) or become liable for the
payment of any fees, reimbursement of any expenses prior to the Effective Time for which it is not previously or promptly reimbursed; </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(ii) be required to cause any Representative of the Company or any of its Subsidiaries to take any action that would reasonably be expected
to result in such Representative incurring any personal liability; </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(iii) be required to waive or amend any terms of this Agreement; </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(iv) be required to provide any information that is prohibited or restricted from being provided by applicable Law or any Material Contract
or is legally privileged; <U>provided</U>, that the Company shall inform Parent of the general nature of the information being withheld pursuant to this clause (iv)&nbsp;and, on Parent&#146;s request, reasonably cooperate with Parent to provide such
information, in whole or in part, in a manner that would not be so prohibited or restricted and would protect legal privilege; </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(v) be
required to, nor shall any of their directors, employees, officers, members, partners or managers be required to, adopt resolutions or consents to approve or authorize the execution of the agreements, documents and instruments pursuant to which the
Debt Financing is obtained, agree to pay any fees or reimburse any expenses or provide any indemnity to any Debt Financing Sources, or execute, deliver or enter into, or otherwise become liable under or perform any agreement, document or instrument
(other than customary authorization letters), including any credit or other agreements, guarantees, pledge or security documents, fee letters, commitment letters or certificates in connection with the Debt Financing, in each case, that would be
effective prior to the Effective Time and any such action, authorization, consent, approval, execution, delivery or performance will only be required of the respective directors, employees, officers, members, partners or managers of the Company and
its Subsidiaries who retain their respective positions as of, and immediately after, the Effective Time (except in each case with respect to customary authorization letters); </P>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(vi) be required to (or be required to cause their Representatives to) enter into or
approve any agreement or other documentation, or agree to any change or modification of any existing agreement or other documentation that would be effective prior to the Effective Time (except in each case with respect to customary authorization
letters); </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(vii) be required to (or be required to cause their Representatives to) take any action that would conflict with or violate
any charter or other organizational documents, any Contract or any applicable Law; </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(viii) be required to (or be required to cause their
Representatives to) take any actions that would cause any representation or warranty in this Agreement to be breached by the Company or any of its Subsidiaries or that would cause any condition set forth in Article&nbsp;VI to fail to be satisfied
(in each case unless Parent waives such breach or failure prior to the Company or any of its Subsidiaries taking such action); </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(ix) be
required to cooperate to the extent that it would, in the good faith determination of the Company, unreasonably interfere with the business or operations of the Company or any of its Subsidiaries; or </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(x) be required to provide any pro forma adjustments to the financial statements reflecting the transactions contemplated or required
hereunder (without limiting, for the avoidance of doubt, the Company&#146;s obligation to assist with the preparation of pro forma financial information as set forth in Section&nbsp;5.11(c)(vi)&nbsp;above). </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(f) Parent and Merger Sub acknowledge and agree that their obligations to pay all of their payment obligations hereunder and consummate the
Closing, including the Merger and the other transactions contemplated hereby are not conditioned or contingent upon receipt of any Debt Financing. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(g) PARENT SHALL (I)&nbsp;PROMPTLY UPON REQUEST BY THE COMPANY (BUT IN ANY EVENT, NOT PRIOR TO THE EARLIER OF THE CLOSING DATE AND THE
TERMINATION OF THIS AGREEMENT IN ACCORDANCE WITH SECTION&nbsp;7.1), REIMBURSE THE COMPANY FOR ALL OF ITS REASONABLE AND DOCUMENTED <FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">OUT-OF-POCKET</FONT></FONT> FEES AND EXPENSES
(INCLUDING REASONABLE AND DOCUMENTED <FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">OUT-OF-POCKET</FONT></FONT> FEES AND EXPENSES OF COUNSEL AND ACCOUNTANTS) INCURRED BY THE COMPANY,&nbsp;ITS SUBSIDIARIES OR ANY OF ITS OR THEIR
REPRESENTATIVES IN CONNECTION WITH ANY COOPERATION CONTEMPLATED BY THIS SECTION&nbsp;5.11 AND (II)&nbsp;INDEMNIFY AND HOLD HARMLESS THE COMPANY,&nbsp;ITS SUBSIDIARIES AND ITS AND THEIR REPRESENTATIVES AGAINST ANY CLAIM, LOSS, DAMAGE,&nbsp;INJURY,
LIABILITY, JUDGMENT, AWARD, PENALTY, FINE, REASONABLE AND DOCUMENTED <FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">OUT-OF-POCKET</FONT></FONT> COST (INCLUDING REASONABLE AND DOCUMENTED <FONT STYLE="white-space:nowrap"><FONT
STYLE="white-space:nowrap">OUT-OF-POCKET</FONT></FONT> COST OF INVESTIGATION), REASONABLE AND DOCUMENTED <FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">OUT-OF-POCKET</FONT></FONT> EXPENSE (INCLUDING REASONABLE AND DOCUMENTED <FONT
STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">OUT-OF-POCKET</FONT></FONT> FEES AND EXPENSES OF COUNSEL AND ACCOUNTANTS) OR SETTLEMENT PAYMENT INCURRED AS A RESULT OF, OR IN CONNECTION WITH, SUCH COOPERATION OR THE DEBT FINANCING AND
ANY INFORMATION PERTAINING TO AND FURNISHED BY THE COMPANY OR ANY OF ITS SUBSIDIARIES USED IN CONNECTION THEREWITH, OTHER THAN THOSE CLAIMS, LOSSES, DAMAGES,&nbsp;INJURIES, LIABILITIES, JUDGMENTS, AWARDS, PENALTIES, FINES, COSTS, EXPENSES AND
SETTLEMENT PAYMENTS ARISING OUT OF OR RESULTING FROM THE GROSS NEGLIGENCE, FRAUD, BAD FAITH OR WILLFUL MISCONDUCT OF THE COMPANY, ANY OF ITS SUBSIDIARIES OR ANY OF ITS OR THEIR RESPECTIVE REPRESENTATIVES AS FINALLY DETERMINED BY A COURT OF COMPETENT
JURISDICTION. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_73"></A>Section&nbsp;5.12 <U>Cooperation as to Certain Indebtedness</U>. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(a) Parent or one of its Subsidiaries may (i)&nbsp;commence and conduct one or more offers to purchase, including any offer required to be made
in connection with any &#147;Change of Control&#148; or equivalent term (each as </P>
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defined in the Existing Company Indenture governing the Existing Company Notes), tender offers or exchange offers (including obligor exchanges) with respect to any or all of the outstanding
aggregate principal amount of the Existing Company Notes identified by Parent to the Company prior to, on or after the date hereof on terms that are acceptable to Parent (the &#147;<U>Offers to Purchase</U>&#148;) and/or (ii)&nbsp;solicit the
consent of the holders of debt issued under the Existing Company Indenture regarding certain proposed amendments to the Existing Company Indenture (the &#147;<U>Consent Solicitations</U>&#148; and, together with the Offers to Purchase, if any, the
&#147;<U>Company Note Offers and Consent Solicitations</U>&#148;); <U>provided</U>, that the closing of any such Offers to Purchase shall not occur, and the amendments in connection with any such Consent Solicitations shall not become operative
(although any supplemental indentures entered into in connection with any such Consent Solicitations may become effective upon execution, conditioned solely upon consummation of the Merger), prior to the Closing; <U>provided</U>, <U>further</U>,
that the consummation of any Company Note Offers and Consent Solicitations shall not be a condition to the Closing. Any Company Note Offers and Consent Solicitations shall be made on such terms and conditions (including price to be paid and
conditionality) as are proposed by Parent and which are permitted by the terms of the Existing Company Indenture and applicable Laws, including applicable SEC rules&nbsp;and regulations. Parent will reasonably consult with the Company regarding the
material terms and conditions of any Company Note Offers and Consent Solicitations, including the timing and commencement of any Company Note Offers and Consent Solicitations and any relevant tender or consent deadlines. Parent shall not be
permitted to commence any applicable Company Note Offers and Consent Solicitations until Parent shall have provided the Company with the related offer to purchase, exchange offer memorandum, consent solicitation statement, letter of transmittal, if
any, or press release, if any, in connection therewith, and each other material document relevant to the transaction that will be distributed by the Parent in the applicable Company Note Offers and Consent Solicitations (collectively, the
&#147;<U>Debt Offer Documents</U>&#148;) a reasonable period of time in advance of Parent commencing the applicable Offer to Purchase or Consent Solicitation and provide the Company and its counsel a reasonable opportunity to review and comment,
which comments shall be considered in good faith by Parent. No Company Note Offers and Consent Solicitations will commence until the earlier of (A)&nbsp;the Company having filed its <FONT STYLE="white-space:nowrap">Form&nbsp;10-Q</FONT> for the
quarter ended June&nbsp;30, 2022 and (B)&nbsp;August&nbsp;9, 2022. Subject to the receipt of the requisite holder consents, in connection with any or all of the Consent Solicitations, the Company shall execute one or more supplemental indentures to
the Existing Company Indenture in accordance with the terms thereof amending the terms and provisions of such Existing Company Indenture as described in the applicable Debt Offer Documents in a form as reasonably requested by Parent (each, a
&#147;<U>Company Supplemental Indenture</U>&#148;), which such supplemental indentures shall become effective upon the execution thereof but shall not become operative until the Effective Time, and the Company shall use reasonable best efforts to
cause the trustee under the Existing Company Indenture to enter into such supplemental indentures. Subject to Section&nbsp;5.12(d), the Company shall, and shall cause each of its Subsidiaries to, and shall use reasonable best efforts to cause its
and their Representatives to, provide all reasonable and customary cooperation as may be reasonably requested by Parent in writing to assist Parent in connection with any Company Note Offers and Consent Solicitations, including, for the avoidance of
doubt, (i)&nbsp;to the extent such information would be required under applicable SEC rules&nbsp;and regulations for a registered offering, assisting Parent with its preparation of pro forma financial information (including pro forma financial
statements) of the type customarily included in offering documents or marketing materials for transactions similar to the Company Note Offers and Consent Solicitations and Redemption (as defined below), it being agreed that the Company will not be
required to provide any information or assistance relating to (A)&nbsp;the proposed aggregate amount of any debt financing, together with assumed interest rates, fees and expenses relating to the incurrence of such debt financing, (B)&nbsp;any
post-Closing or pro forma cost savings, synergies, capitalization or ownership desired to be incorporated into any information used in connection with the Company Note Offers and Consent Solicitation and Redemption or (C)&nbsp;any financial
information related to Parent or any of its Subsidiaries, (ii)&nbsp;by using reasonable best efforts to take actions with respect to the Company Note Offers and Consent Solicitations of the type described in clause (v)&nbsp;of
Section&nbsp;5.11(c)&nbsp;and (iii)&nbsp;as promptly as reasonably practicable, furnishing Parent with the Required Information that is Compliant; <U>provided</U>, that neither the Company nor counsel for the Company shall be required to furnish any
certificates, legal opinions or negative assurance letters in connection with any Company Note Offers and Consent Solicitation (other than in connection with the execution of any Company Supplemental Indenture relating to the Consent Solicitations,
with respect to which the Company shall deliver customary officer&#146;s certificates (the &#147;<U>Company Indenture</U> </P>
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<U>Officers&#146; Certificates</U>&#148;) and counsel to the Company shall provide customary legal opinions, in each case, to the trustee under the Existing Company Indenture and solely to the
extent such certificates or legal opinions, as applicable, would not conflict with applicable Laws and would be accurate in light of the facts and circumstances at the time delivered) or execute any other instruments or agreements in connection
therewith other than any Company Supplemental Indenture described in the immediately preceding sentence. The Company shall, and shall cause its Subsidiaries to, and shall use its reasonable best efforts to cause its and their Representatives to
cause the Company&#146;s independent auditors to (A)&nbsp;furnish customary consents for use of their auditor opinions in any materials related to any securities issued in connection with the Company Note Offers and Consent Solicitations,
(B)&nbsp;provide, consistent with customary practice, customary comfort letters (including &#147;negative assurance&#148; comfort and change period comfort) with respect to financial information relating to the Company and its Subsidiaries as
reasonably requested by Parent or as necessary or customary for financings similar to the Company Note Offers and Consent Solicitations (including any offering or private placement of debt securities pursuant to Rule&nbsp;144A under the Securities
Act in lieu of all or a portion of the Company Note Offers and Consent Solicitations) and (C)&nbsp;attend a reasonable number of due diligence sessions and drafting sessions. The solicitation agent, information agent, depositary or other agent
retained in connection with any Company Note Offers and Consent Solicitations will be selected by Parent, retained by Parent, and their fees and <FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">out-of-pocket</FONT></FONT> expenses
will be paid directly by Parent. If, at any time prior to the completion of the Company Note Offers and Consent Solicitations, the Company or any of its Subsidiaries, on the one hand, or Parent or any of its Subsidiaries, on the other hand,
discovers any information that should be set forth in an amendment or supplement to the Debt Offer Documents, so that the Debt Offer Documents shall not contain any untrue statement of a material fact or omit to state any material fact required to
be stated therein or necessary in order to make the statements therein, in light of circumstances under which they are made, not misleading, such party that discovers such information shall use reasonable best efforts to promptly notify the other
party, and an appropriate amendment or supplement prepared by Parent describing such information shall be disseminated to the holders of the applicable notes, debentures or other debt securities of the Company outstanding under the Existing Company
Indenture. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(b) If requested by Parent, in lieu of or in addition to Parent commencing or closing any Company Note Offer and Consent
Solicitation for any Existing Company Notes, the Company shall use its reasonable best efforts, to the extent permitted by such Existing Company Notes and the Existing Company Indenture, to (A)&nbsp;issue a notice of redemption (&#147;Company
Redemption Notice&#148;) for all or a portion of the outstanding aggregate principal amount of such Existing Company Notes, pursuant to the redemption provisions of the Existing Company Indenture, which notice of redemption shall be expressly
conditioned on the occurrence of the Closing and (B)&nbsp;take any other actions reasonably requested by Parent to facilitate the redemption and/or satisfaction and discharge of any Existing Company Notes at the Effective Time pursuant to the
redemption and/or satisfaction and discharge provisions of the Existing Company Indenture and the other provisions of the Existing Company Indenture applicable thereto, <U>provided</U>, that for the avoidance of doubt, no such Redemption (as defined
below) shall be effective prior to the Effective Time and <U>provided</U>, <U>further</U>, that neither the Company nor counsel for the Company shall be required to furnish any certificates, legal opinions or negative assurance letters in connection
with any Redemption (except that the Company shall deliver customary officers&#146; certificates (the &#147;<U>Company Redemption Officers&#146; Certificates</U>&#148;) and (solely to the extent the trustee under the Existing Company Indenture
requires an opinion of counsel to the Company) counsel to the Company shall provide customary legal opinions, in each case, to the trustee under the Existing Company Indenture and solely to the extent such certificates or legal opinions, as
applicable, would not conflict with applicable Laws and would be accurate in light of the facts and circumstances at the time delivered). If a notice of conditional redemption or satisfaction and discharge is given, Parent shall ensure that at the
Effective Time, so long as the applicable conditions of such redemption or satisfaction and discharge are satisfied, the Company has all funds necessary in connection with any such redemption or satisfaction and discharge. The redemption or
satisfaction and discharge of any Existing Company Notes pursuant to this clause (b)&nbsp;are referred to collectively as the &#147;<U>Redemption</U>&#148; of such Existing Company Notes. </P>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(c) Subject to Section&nbsp;5.12(d)&nbsp;and 5.12(f), the Company shall, and shall cause its
Subsidiaries to, deliver, in each case, prior to the Effective Time (and as more specifically stated below), all notices and to take all other actions reasonably requested by Parent to facilitate (A)&nbsp;the repayment in full on the Closing Date
(or in the case of any letters of credit, cash collateralization, to the extent Parent shall not have entered into an alternative arrangement with the issuing bank therefor) of all amounts and other obligations then outstanding under the Existing
Company Credit Agreement and (B)&nbsp;the termination (to the extent provided therein and pursuant to the terms thereof) on the Closing Date of any commitments under, and the release of any guarantees, liens or other security interests provided in
connection with, the Existing Company Credit Agreement (such repayments, terminations and releases, the &#147;<U>Existing Credit Facilities Termination</U>&#148;), including by providing to the Parent a payoff letter from the agent under the
Existing Company Credit Agreement, in form and substance reasonably satisfactory to Parent, which payoff letter shall, among other things, (i)&nbsp;indicate the total amount required to be paid to fully satisfy all principal, interest, prepayment
premiums, penalties and any other monetary obligations then due and payable under the Existing Company Credit Agreement (the &#147;<U>Payoff Amount</U>&#148;), (ii)&nbsp;provide that upon receipt of the Payoff Amount under the payoff letter, such
indebtedness and all related loan documents (or similar agreements) shall be terminated and (iii)&nbsp;provide that all security interests (if any) granted to secure the obligations under the Credit Agreement and guarantees by Subsidiaries of the
Company under the Credit Agreement shall be released and terminated upon receipt of the Payoff Amount. Parent shall provide all funds required to effect the Existing Credit Facilities Termination; <U>provided</U>, that the Existing Credit Facilities
Termination and any notices related thereto shall be expressly conditioned on the Closing. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(d) Notwithstanding anything to the contrary
in this Section&nbsp;5.12, neither the Company nor any of its Subsidiaries shall pursuant to this Section&nbsp;5.12: </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(i) be required to
incur any costs, expenses or other liabilities prior to the Effective Time for which it is not previously or promptly reimbursed, subject to reimbursement or simultaneously indemnified (except, in the case of any indemnity, to the extent this
Agreement is terminated by Parent pursuant to Section&nbsp;7.1(d)(i)) or become liable for the payment of any fees, reimbursement of any expenses prior to the Effective Time for which it is not previously or promptly reimbursed; </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(ii) be required to cause any Representative of the Company or any of its Subsidiaries to take any action that would reasonably be expected
to result in such Representative incurring any personal liability; </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(iii) be required to waive or amend any terms of this Agreement; </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(iv) be required to provide any information that is prohibited or restricted from being provided by applicable Law or any Material Contract or
is legally privileged; <U>provided</U>, that the Company shall inform Parent of the general nature of the information being withheld pursuant to this clause (iv)&nbsp;and, on Parent&#146;s request, reasonably cooperate with Parent to provide such
information, in whole or in part, in a manner that would not be so prohibited or restricted and would protect legal privilege; </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(v) be
required to, nor shall any of their directors, employees, officers, members, partners or managers be required to, to pass resolutions or consents to approve or authorize the execution of any Company Note Offers and Consent Solicitations or any
Redemption or execute or deliver any certificate, document, instrument, opinion, negative assurance letter or agreement or agree to any change or modification of any existing certificate, document, instrument, opinion, negative assurance letter or
agreement (other than (x)&nbsp;to the extent required by Section&nbsp;5.12(a), applicable Company Supplemental Indentures and related Company Indenture Officers&#146; Certificates and customary legal opinions in connection therewith, (y)&nbsp;to the
extent required by Section&nbsp;5.12(b), applicable Company Redemption Notices, notices of satisfaction and discharge and Company Redemption Officers&#146; Certificates and legal opinions in connection therewith and (z)&nbsp;to the extent required
by Section&nbsp;5.12(c), the applicable payoff letter and related notices) that is, in each case, effective prior to the Effective Time; </P>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(vi) be required to (or be required to cause their Representatives to) enter into or
approve any agreement or other documentation, or agree to any change or modification of any existing agreement or other documentation that would be effective prior to the Effective Time (except in each case with respect to customary authorization
letters); </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(vii) be required to (or be required to cause their Representatives to) take any action that would conflict with or violate
any charter or other organizational documents, any Contract or any applicable Law; </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(viii) be required to (or be required to cause their
Representatives to) take any actions that would cause any representation or warranty in this Agreement to be breached by the Company or any of its Subsidiaries or that would cause any condition set forth in Article&nbsp;VI to fail to be satisfied
(in each case unless Parent waives such breach or failure prior to the Company or any of its Subsidiaries taking such action); </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(ix) be
required to cooperate to the extent that it would, in the good faith determination of the Company, unreasonably interfere with the business or operations of the Company or any of its Subsidiaries; or </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(x) be required to provide any pro forma adjustments to the financial statements reflecting the transactions contemplated or required
hereunder (without limiting, for the avoidance of doubt, the Company&#146;s obligation to assist with the preparation of pro forma financial information as set forth in Section&nbsp;5.12(a)&nbsp;above). </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(e) Nothing contained in this Section&nbsp;5.12 or otherwise shall require the Company or any of its Affiliates, prior to the Closing, to
commence any Company Note Offers and Consent Solicitations. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(f) PARENT SHALL (I)&nbsp;PROMPTLY UPON REQUEST BY THE COMPANY (BUT IN ANY
EVENT, NOT PRIOR TO THE EARLIER OF THE CLOSING DATE AND THE TERMINATION OF THIS AGREEMENT IN ACCORDANCE WITH SECTION&nbsp;7.1), REIMBURSE THE COMPANY FOR ALL OF ITS REASONABLE AND DOCUMENTED <FONT STYLE="white-space:nowrap"><FONT
STYLE="white-space:nowrap">OUT-OF-POCKET</FONT></FONT> FEES AND EXPENSES (INCLUDING REASONABLE AND DOCUMENTED <FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">OUT-OF-POCKET</FONT></FONT> FEES AND EXPENSES OF COUNSEL AND ACCOUNTANTS)
INCURRED BY THE COMPANY,&nbsp;ITS SUBSIDIARIES OR ANY OF ITS OR THEIR REPRESENTATIVES IN CONNECTION WITH ANY COOPERATION CONTEMPLATED BY THIS SECTION&nbsp;5.12 AND (II)&nbsp;INDEMNIFY AND HOLD HARMLESS THE COMPANY,&nbsp;ITS SUBSIDIARIES AND ITS AND
THEIR REPRESENTATIVES AGAINST ANY CLAIM, LOSS, DAMAGE,&nbsp;INJURY, LIABILITY, JUDGMENT, AWARD, PENALTY, FINE, REASONABLE AND DOCUMENTED <FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">OUT-OF-POCKET</FONT></FONT> COST (INCLUDING
REASONABLE AND DOCUMENTED <FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">OUT-OF-POCKET</FONT></FONT> COST OF INVESTIGATION), REASONABLE AND DOCUMENTED
<FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">OUT-OF-POCKET</FONT></FONT> EXPENSE (INCLUDING REASONABLE AND DOCUMENTED <FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">OUT-OF-POCKET</FONT></FONT> FEES AND
EXPENSES OF COUNSEL AND ACCOUNTANTS) OR SETTLEMENT PAYMENT INCURRED AS A RESULT OF, OR IN CONNECTION WITH, SUCH COOPERATION, THE COMPANY NOTE OFFERS AND CONSENT SOLICITATIONS OR ANY REDEMPTION AND ANY INFORMATION PERTAINING TO AND FURNISHED BY THE
COMPANY OR ANY OF ITS SUBSIDIARIES USED IN CONNECTION THEREWITH, OTHER THAN THOSE CLAIMS, LOSSES, DAMAGES,&nbsp;INJURIES, LIABILITIES, JUDGMENTS, AWARDS, PENALTIES, FINES, COSTS, EXPENSES AND SETTLEMENT PAYMENTS ARISING OUT OF OR RESULTING FROM THE
GROSS NEGLIGENCE, FRAUD, BAD FAITH OR WILLFUL MISCONDUCT OF THE COMPANY, ANY OF ITS SUBSIDIARIES OR ANY OF ITS OR THEIR RESPECTIVE REPRESENTATIVES AS FINALLY DETERMINED BY A COURT OF COMPETENT JURISDICTION. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_74"></A>Section&nbsp;5.13 <U>Indemnification, Exculpation and Insurance</U>. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(a) Without limiting any additional rights that any employee may have under any agreement or Company Plan, from the Effective Time through the
sixth anniversary of the date on which the Effective Time occurs, Parent shall, or shall cause the Surviving Corporation to, indemnify and hold harmless each present (as of the Effective Time) and former officer or director of the Company and its
Subsidiaries (the &#147;<U>Indemnified</U> </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">A-54 </P>

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<U>Parties</U>&#148;), against all claims, losses, liabilities, damages, judgments, inquiries, fines, amounts paid in settlement and reasonable fees, costs and expenses, including attorneys&#146;
fees and disbursements incurred in connection with any pending or threatened Action, whether civil, criminal, administrative or investigative, arising out of, pertaining to or by reason of (i)&nbsp;the fact that the Indemnified Party is or was an
officer director, employee, fiduciary or agent of the Company or any of its Subsidiaries or, while a director, officer or employee of the Company or its Subsidiaries, is or was serving at the request of the Company or any of its Subsidiaries as a
director, officer, employee or agent of another corporation or of another corporation or of a partnership, joint venture, trust, enterprise or nonprofit entity or (ii)&nbsp;matters existing or occurring at or prior to the Effective Time (including
this Agreement and the transactions and actions contemplated hereby), whether asserted or claimed prior to, at or after the Effective Time, to the fullest extent permitted under applicable Law and the Company Charter and Company Bylaws as of the
date hereof or (iii)&nbsp;in connection with the enforcement of any Indemnified Party&#146;s rights under this Section&nbsp;5.13 by such Indemnified Party or his or her heirs or legal representatives. In the event of any such pending or threatened
Action, including any such Action to enforce any Indemnified Party&#146;s rights under this Section&nbsp;5.13, (A)&nbsp;each Indemnified Party shall be entitled to advancement of expenses (including attorneys&#146; fees and expenses) incurred in
connection with such Action from Parent and the Surviving Corporation to the fullest extent permitted under applicable Law and the Company Charter and Company Bylaws as of the date hereof; <U>provided</U>, that any Person to whom expenses are
advanced provides an undertaking, if and only to the extent required by DGCL or the Company Charter or Company Bylaws, to repay such advances if it is ultimately determined that such Person is not entitled to indemnification under this Agreement or
any Law, Contract or other source for which indemnification may be available, (B)&nbsp;neither Parent nor the Surviving Corporation shall settle, compromise or consent to the entry of any judgment in any proceeding or threatened action, suit,
proceeding, investigation or claim (and in which indemnification could be sought by such Indemnified Party hereunder), unless such settlement, compromise or consent includes an unconditional release of such Indemnified Party from all liability
arising out of such action, suit, proceeding, investigation or claim or such Indemnified Party otherwise consents in writing (such consent not to be unreasonably withheld), and (C)&nbsp;the Surviving Corporation and the Indemnified Party shall
reasonably cooperate in the defense of any such matter. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(b) Except as may be required by applicable Law, Parent and the Company agree
that all rights to indemnification and exculpation from liabilities for acts or omissions occurring at or prior to the Effective Time and rights to advancement of expenses relating thereto now existing in favor of any Indemnified Party as provided
in the Company Charter and Company Bylaws (or comparable organizational documents of its Subsidiaries) as of the date hereof, or in any indemnification agreement between such Indemnified Party and the Company or any of its Subsidiaries in effect on
the date hereof and disclosed in Section&nbsp;5.13(b)&nbsp;of the Company Disclosure Letter shall survive the Merger and continue in full force and effect, and shall not be amended, repealed or otherwise modified in any manner that would adversely
affect any right thereunder of any such Indemnified Party. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(c) At the Company&#146;s option, the Company may purchase, prior to the
Effective Time, a <FONT STYLE="white-space:nowrap">six-year</FONT> prepaid &#147;tail policy&#148; on terms and conditions (in both amount and scope) providing substantially equivalent benefits as the current policies of directors&#146; and
officers&#146; liability insurance and fiduciary liability insurance maintained by the Company and its Subsidiaries with respect to matters arising on or before the Effective Time, covering without limitation the transactions contemplated hereby;
<U>provided</U>, that the Company shall consult with Parent in connection with any purchase of any such tail <FONT STYLE="white-space:nowrap">pre-paid</FONT> policy and, without the approval of Parent, the maximum amount that the Company may spend
to purchases a &#147;tail policy&#148; is 300% of such last annual premium, the Surviving Corporation shall purchase the maximum amount of coverage that can be obtained for 300% of the last annual premium paid by the Company prior to the date hereof
in respect of directors&#146; and officers&#146; liability insurance and fiduciary liability insurance. If such tail prepaid policy has been obtained by the Company prior to the Effective Time, Parent shall cause such policy to be maintained in full
force and effect, for its full term, and cause all obligations thereunder to be honored by the Surviving Corporation. If the Company has not purchased such tail policy prior to the Effective Time, for a period of six years from the Effective Time,
Parent shall either cause to be maintained in effect the current policies of directors&#146; and officers&#146; liability </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">A-55 </P>

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insurance and fiduciary liability insurance maintained by the Company and its Subsidiaries or cause to be provided substitute policies or purchase or cause the Surviving Corporation to purchase,
a &#147;tail policy,&#148; in either case of at least the same coverage and amounts containing terms and conditions that are not less advantageous in the aggregate than such policy with respect to matters arising on or before the Effective Time;
<U>provided</U>, that after the Effective Time, Parent shall not be required to pay with respect to such insurance policies in respect of any one policy year annual premiums in excess of 300% of the last annual premium paid by the Company prior to
the date hereof in respect of the coverage required to be obtained pursuant hereto, but in such case shall purchase as much coverage as reasonably practicable for such amount; <U>provided further</U>, that if the Surviving Corporation purchases a
&#147;tail policy&#148; and the coverage thereunder costs more than 300% of such last annual premium, the Surviving Corporation shall purchase the maximum amount of coverage that can be obtained for 300% of such last annual premium. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(d) Notwithstanding anything herein to the contrary, if any Action (whether arising before, at or after the Effective Time) is instituted
against any Indemnified Party on or prior to the sixth anniversary of the Effective Time, the provisions of this Section&nbsp;5.13 shall continue in effect until the final disposition of such Action. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(e) The indemnification, exculpation and rights to advancement provided for herein shall not be deemed exclusive of any other rights to which
an Indemnified Party is entitled, whether pursuant to Law, Contract or otherwise. The provisions of this Section&nbsp;5.13 shall survive the consummation of the Merger and, notwithstanding any other provision of this Agreement that may be to the
contrary, expressly are intended to benefit, and shall be enforceable by, each of the Indemnified Parties and their respective heirs and legal representatives (and following the Effective Time may not be amended with respect to any Indemnified Party
without such Indemnified Party&#146;s prior written consent). </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(f) In the event that the Surviving Corporation or Parent or any of their
respective successors or assigns (i)&nbsp;consolidates with or merges into any other Person and shall not be the continuing or surviving corporation or entity of such consolidation or merger or (ii)&nbsp;transfers or conveys all or substantially all
of its properties and assets to any Person (by merger, consolidation, division, operation of law or otherwise), then, and in each such case, proper provision shall be made so that the successors and assigns of the Surviving Corporation or Parent, as
the case may be, shall succeed to the obligations set forth in this Section&nbsp;5.13. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_75"></A>Section&nbsp;5.14
<U>Rule</U><U></U><U><FONT STYLE="white-space:nowrap">&nbsp;16b-3</FONT></U>. Prior to the Closing Date, the Company and Parent shall, as applicable, take such steps as may be reasonably necessary or advisable to cause dispositions of Company equity
securities (including derivative securities with respect to such equity securities) and warrants or acquisitions of Parent Common Stock pursuant to the transactions contemplated by this Agreement by each individual who is a director or officer of
the Company to be exempt under <FONT STYLE="white-space:nowrap">Rule&nbsp;
16b-3</FONT> promulgated under the Exchange Act. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_76"></A>Section&nbsp;5.15 <U>Public Announcements</U>. The
initial press release with respect to this Agreement and the transactions contemplated hereby shall be a release mutually agreed to by the Company and Parent. Thereafter, each of the Company and Parent agrees that no public release, statement,
announcement, or other disclosure concerning the Merger and the other transactions contemplated hereby that is inconsistent with initial press release or other release, statement, announcement or other disclosure made in accordance herewith shall be
issued by any party without the prior written consent of the other party, which consent shall not be unreasonably withheld, except (i)&nbsp;as may be required by applicable Law, court process or by obligations pursuant to any listing agreement with
any national securities exchange or national securities quotation system, the rules&nbsp;or regulations of any applicable United States securities exchange, or any Governmental Entity to which the relevant party is subject (in which case the party
making such disclosure shall use its reasonable best efforts to provide the other party with an opportunity to review and comment on such disclosure) or (ii)&nbsp;with respect to, or at any time following, any Acquisition Proposal made after the
date hereof by a Person other than Parent or any of its Subsidiaries. Parent and the Company agree that the press release announcing the execution and delivery of this Agreement shall be a joint release of Parent and the Company. </P>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_77"></A>Section&nbsp;5.16 <U>Obligations of Merger Sub</U>. Parent
shall take all action necessary to cause Merger Sub and the Surviving Corporation to perform their respective obligations under this Agreement. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_78"></A>Section&nbsp;5.17 <U>Notices of Certain Events</U>. Subject to applicable Law, the Company shall notify Parent
and Merger Sub, and Parent and Merger Sub shall notify the Company, promptly of: (a)&nbsp;any notice or other communication from any Person alleging that the consent of such Person is or may be required in connection with the transactions
contemplated by this Agreement; (b)&nbsp;any notice or other communication from any Governmental Entity in connection with the transactions contemplated by this Agreement; and (c)&nbsp;any event, change, or effect between the date of this Agreement
and the Effective Time which individually or in the aggregate causes or is reasonably likely to cause or constitute: (i)&nbsp;a material breach of any of its representations, warranties, or covenants contained herein, or (ii)&nbsp;the failure of any
of the conditions set forth in ARTICLE&nbsp;VI of this Agreement to be satisfied; <U>provided</U>, that any failure to give notice in accordance with the foregoing shall not be deemed to constitute a violation of this Section&nbsp;5.17 or the
failure of any condition set forth in ARTICLE&nbsp;VI to be satisfied, or otherwise constitute a breach of this Agreement by the party failing to give such notice, in each case unless the underlying breach would independently result in a failure of
the conditions set forth in ARTICLE&nbsp;VI to be satisfied; and <U>provided</U>, <U>further</U>, that the delivery of any notice pursuant to this Section&nbsp;5.17 shall not cure any breach of, or noncompliance with, any other provision of this
Agreement or limit the remedies available to the party receiving such notice. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_79"></A>Section&nbsp;5.18
<U>Stockholder Litigation</U>. The Company shall promptly advise Parent in writing after becoming aware of any legal action or proceeding commenced, or to the Company&#146;s knowledge, threatened, against the Company or any of its directors by any
stockholder of the Company (on their own behalf or on behalf of the Company) relating to this Agreement or the transactions contemplated hereby (including the Merger and the other transactions contemplated hereby) and shall keep Parent reasonably
informed regarding any such legal action or proceeding. The Company shall: (a)&nbsp;give Parent the opportunity to participate in the defense and settlement of any such stockholder litigation, (b)&nbsp;keep Parent reasonably apprised on a prompt
basis of proposed strategy and other significant decisions with respect to any such stockholder litigation, and provide Parent with the opportunity to consult with the Company regarding the defense of any such litigation, which advice the Company
shall consider in good faith, and (c)&nbsp;not settle any such stockholder litigation without the prior written consent of Parent (which consent shall not be unreasonably withheld, delayed, or conditioned). Notwithstanding anything to the contrary
in this Section&nbsp;5.18, any matters relating to Dissenting Shares shall be governed by Section&nbsp;2.3. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_80"></A>Section&nbsp;5.19 <U>Further Assurances</U>. At and after the Effective Time, the officers and directors of
the Surviving Corporation shall be authorized to execute and deliver, in the name and on behalf of the Company or Merger Sub, any deeds, bills of sale, assignments, or assurances and to take and do, in the name and on behalf of the Company or Merger
Sub, any other actions and things to vest, perfect, or confirm of record or otherwise in the Surviving Corporation any and all right, title, and interest in, to and under any of the rights, properties, or assets of the Company acquired or to be
acquired by the Surviving Corporation as a result of, or in connection with, the Merger. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_81"></A>Section&nbsp;5.20 <U>Company FIRPTA Certificate</U>. At least three Business Days before the Closing Date, the
Company shall deliver to Parent a certificate satisfying the requirements of Treasury Regulations <FONT STYLE="white-space:nowrap">Section&nbsp;1.1445-2(c)(3)&nbsp;and</FONT> a notice addressed to the IRS satisfying the requirements of Treasury
Regulations <FONT STYLE="white-space:nowrap">Section&nbsp;1.897-2(h),</FONT> in each case, from the Company and executed as of the Closing Date, certifying that interests in the Company are not &#147;United States real property interests&#148;
within the meaning of Section&nbsp;897 of the Code. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_82"></A>Section&nbsp;5.21 <U>Stock Exchange Listing</U>.
Parent shall use its reasonable best efforts to cause the shares of Parent Common Stock to be issued in connection with the Merger to be approved for listing on the NYSE, subject to official notice of issuance, at or prior to the Effective Time.
</P>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><A NAME="annxarom338793_83"></A>ARTICLE&nbsp;VI </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>CONDITIONS PRECEDENT </B></P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_84">
</A>Section&nbsp;6.1 <U>Conditions to Each Party&#146;s Obligation to Effect the Merger</U>. The obligation of each party to effect the Merger is subject to the satisfaction or waiver (where permissible pursuant to applicable law) at or prior to the
Closing of the following conditions: </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(a) <U>Stockholder Approval</U>. The Company Stockholder Approval shall have been obtained. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(b) <U>No Injunctions or Legal Restraints; Illegality</U>. No restraining order, injunction, or other judgment, order or decree issued by any
court of competent jurisdiction or other legal restraint or prohibition shall be in effect, and no Law shall have been enacted, entered, promulgated, enforced or deemed applicable by any Governmental Entity that, in any case, prevents, prohibits or
makes illegal the consummation of the Merger or the other transactions contemplated by this Agreement. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(c) <U>HSR Act; Antitrust</U>. Any
applicable waiting period (and any extension thereof) under the HSR Act relating to the transactions contemplated by this Agreement (or under any applicable timing agreements entered into with the Company&#146;s consent (which consent shall not be
unreasonably withheld, conditioned or delayed) with any Governmental Entity to extend any waiting period) shall have expired or been terminated. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(d) <U>Parent Stock Issuance</U>. The Parent Common Stock to be issued in connection with the Merger shall have been approved for listing on
the NYSE, subject to official notice of issuance; <U>provided</U>, that Parent shall not be entitled to invoke this condition if it has not complied in all material respects with Section&nbsp;5.21. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(e) <U>Effectiveness of Form</U><U></U><U><FONT STYLE="white-space:nowrap">&nbsp;S-4</FONT></U>. The
<FONT STYLE="white-space:nowrap">Form&nbsp;S-4</FONT> shall have become effective under the Securities Act and shall not be the subject of any stop order or any proceedings seeking a stop order. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_85"></A>Section&nbsp;6.2 <U>Conditions to the Obligations of the Company</U>. The obligation of the Company to effect
the Merger is also subject to the satisfaction, or waiver by the Company, at or prior to the Closing of the following conditions: </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(a)
<U>Representations and Warranties</U>. (i)&nbsp;The representations and warranties of Parent and Merger Sub set forth in Section&nbsp;4.2(a), Section&nbsp;4.2(b), Section&nbsp;4.3 and Section&nbsp;4.15 shall be true and correct in all material
respects as of the date of this Agreement and as of the Closing Date as if made as of the Closing Date (except to the extent such representations and warranties expressly relate to an earlier date, in which case as of such earlier date),
(ii)&nbsp;the representation and warranty of Parent and Merger Sub set forth in Section&nbsp;4.8(b)&nbsp;shall be true and correct in all respects as of the date of this Agreement and as of the Closing Date as if made as of the Closing Date and
(iii)&nbsp;the other representations and warranties of Parent and Merger Sub set forth in this Agreement shall be true and correct in all respects as of the date of this Agreement and as of the Closing Date as though made as of the Closing Date
(except to the extent such representations and warranties expressly relate to an earlier date, in which case as of such earlier date), except in the case of this clause (iii)&nbsp;where the failure of such representations and warranties to be so
true and correct would not, individually or in the aggregate, reasonably be expected to have a Parent Material Adverse Effect (it being understood that, for purposes of determining the accuracy of such representations and warranties, all
materiality, &#147;Parent Material Adverse Effect&#148; and similar qualifiers set forth in such representations and warranties shall be disregarded and not given effect). </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(b) <U>Performance of Obligations of Parent and Merger Sub</U>. Parent and Merger Sub shall have performed in all material respects all
obligations required to be performed by them under this Agreement at or prior to the Closing. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(c) <U>No Material Adverse Effect</U>.
Since the date of this Agreement, there shall not have been any event, change, occurrence or effect that, individually or in the aggregate, together with all other events, changes, occurrences or effects, has had a Parent Material Adverse Effect
that is continuing. </P>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(d) <U>Officers&#146; Certificate</U>. The Company shall have received a certificate signed
by an executive officer of Parent certifying as to the matters set forth in Sections&nbsp;6.2(a), 6.2(b)&nbsp;
and 6.2(c). </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_86"></A>Section&nbsp;6.3 <U>Conditions to the Obligations of Parent and Merger Sub</U>. The obligation
of Parent and Merger Sub effect the Merger is also subject to the satisfaction, or waiver by Parent, at or prior to the Closing of the following conditions: </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(a) <U>Representations and Warranties</U>. (i)&nbsp;The representations and warranties of the Company set forth in Section&nbsp;3.3 and
Section&nbsp;3.23 shall be true and correct in all material respects as of the date of this Agreement and as of the Closing Date as if made as of the Closing Date (except to the extent such representations and warranties expressly relate to an
earlier date, in which case as of such earlier date), (ii)&nbsp;the representations and warranties of the Company set forth in Section&nbsp;3.2(a)&nbsp;and Section&nbsp;3.2(d)&nbsp;shall be true and correct in all (other than <I>de minimus</I>
inaccuracies) respects as of the date of this Agreement and as of the Closing Date as if made as of the Closing Date (except to the extent such representations and warranties expressly relate to an earlier date, in which case as of such earlier
date), (iii)&nbsp;the representation and warranty of the Company set forth in Section&nbsp;3.8(b)&nbsp;shall be true and correct in all respects as of the date of this Agreement and as of the Closing Date as if made as of the Closing Date, and
(iv)&nbsp;the other representations and warranties of the Company set forth in this Agreement shall be true and correct in all respects as of the date of this Agreement and as of the Closing Date as though made as of the Closing Date (except to the
extent such representations and warranties expressly relate to an earlier date, in which case as of such earlier date), except in the case of this clause (iv)&nbsp;where the failure of such representations and warranties to be so true and correct
would not, individually or in the aggregate, reasonably be expected to have a Material Adverse Effect (it being understood that, for purposes of determining the accuracy of such representations and warranties, all materiality, &#147;Material Adverse
Effect&#148; and similar qualifiers set forth in such representations and warranties shall be disregarded and not given effect). </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(b)
<U>Performance of Obligations of the Company</U>. The Company shall have performed in all material respects all obligations required to be performed by it under this Agreement at or prior to the Effective Time. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(c) <U>No Material Adverse Effect</U>. Since the date of this Agreement, there shall not have been any event, change, occurrence or effect
that, individually or in the aggregate, together with all other events, changes, occurrences or effects, has had a Material Adverse Effect that is continuing. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(d) <U>Officers&#146; Certificate</U>. Parent shall have received a certificate signed by an executive officer of the Company certifying as to
the matters set forth in Sections&nbsp;6.3(a), 6.3(b)&nbsp;and 6.3(c). </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_87"></A>Section&nbsp;6.4 <U>Frustration of
Closing Conditions</U>. None of Parent, Merger Sub or the Company may rely on the failure of any condition set forth in this Article&nbsp;VI to be satisfied if such failure was caused by such party&#146;s breach of this Agreement. </P>
<P STYLE="margin-top:24pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><A NAME="annxarom338793_88"></A>ARTICLE&nbsp;VII </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>TERMINATION, AMENDMENT AND WAIVER </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_89"></A>Section&nbsp;7.1 <U>Termination</U>. This Agreement may be terminated and the Merger may be abandoned at any
time prior to the Effective Time, whether before or after the Company Stockholder Approval has been obtained (with any termination by Parent also being an effective termination by Merger Sub): </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(a) by mutual written consent of Parent and the Company; </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(b) by either Parent or the Company: </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(i) if the Merger shall not have been consummated on or before July&nbsp;24, 2023 (the &#147;<U>Termination Date</U>&#148;); <U>provided</U>,
that if as of immediately prior to such date, any of the conditions set forth in </P>
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Section&nbsp;6.1(b)&nbsp;(solely by reason of the HSR Act) or Section&nbsp;6.1(c)&nbsp;shall not have been satisfied and all other conditions set forth in Article&nbsp;VI shall have been
satisfied or, to the extent permitted by applicable Law, waived (other than those conditions that by their nature are to be satisfied at the Closing, <U>provided</U>, that such conditions would be then capable of being satisfied), the Termination
Date shall automatically be extended to October&nbsp;24, 2023; <U>provided</U>, <U>further</U>, that the right to terminate this Agreement pursuant to this Section&nbsp;7.1(b)(i)&nbsp;shall not be available to a party whose action or failure to
perform or comply with the covenants and agreements of such party set forth in this Agreement shall have been the principal cause of the failure of the Merger to be consummated by the Termination Date and such action or failure to perform
constitutes a material breach of this Agreement; </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(ii) if any court of competent jurisdiction or other Governmental Entity shall have
issued a judgment, order, injunction, rule&nbsp;or decree, or taken any other action restraining, enjoining or otherwise prohibiting any of the transactions contemplated by this Agreement and such judgment, order, injunction, rule, decree or other
action shall have become final and nonappealable; <U>provided</U>, that the party seeking to terminate this Agreement pursuant to this Section&nbsp;7.1(b)(ii)&nbsp;shall, to the extent required under Section&nbsp;5.7, have used its reasonable best
efforts to contest, appeal and remove such judgment, order, injunction, rule, decree, ruling or other action in accordance with Section&nbsp;5.7; or </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(iii) if the Company Stockholder Approval shall not have been obtained at the Company Stockholders Meeting duly convened therefor or at any
adjournment or postponement thereof at which a vote on the adoption of this Agreement was taken; </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(c) by the Company: </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(i) if the representations or warranties of Parent or Merger Sub set forth in this Agreement shall be inaccurate or Parent or Merger Sub shall
have breached or failed to perform any of its covenants or agreements set forth in this Agreement, which inaccuracy, breach or failure to perform (A)&nbsp;would result in the failure of a condition set forth in Section&nbsp;6.1 or 6.2 and
(B)&nbsp;cannot be cured by the Termination Date or, if it can be cured by the Termination Date, shall not have been cured prior to the earlier of (x)&nbsp;30 days after written notice thereof is given by the Company to Parent or (y)&nbsp;the
Termination Date; <U>provided</U>, that the Company shall have given Parent written notice, delivered at least 30 days prior to such termination (or promptly, if such notice is given within 30 days of the Termination Date), stating the
Company&#146;s intention to terminate this Agreement pursuant to this Section&nbsp;7.1(c)(i)&nbsp;and the basis for such termination; <U>provided further</U>, that the Company shall not have the right to terminate this Agreement pursuant to this
Section&nbsp;7.1(c)(i)&nbsp;if it is then in material breach of any of its covenants or agreements set forth in this Agreement; or </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(ii)
at any time prior to obtaining the Company Stockholder Approval if, (A)&nbsp;the Company Board authorizes the Company, to the extent permitted by and subject to complying with the terms of Section&nbsp;5.4, to enter into an Alternative Acquisition
Agreement with respect to a Superior Proposal, (B)&nbsp;concurrently with the termination of this Agreement, the Company, subject to complying with the terms of Section&nbsp;5.4(d), enters into an Alternative Acquisition Agreement providing for a
Superior Proposal and (C)&nbsp;prior to or substantially concurrently with such termination, the Company pays to Parent in immediately available funds any fees required to be paid pursuant to Section&nbsp;7.3(b); </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(d) by Parent: </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(i) if the
representations or warranties of the Company set forth in this Agreement shall be inaccurate or the Company shall have breached or failed to perform any of its representations, warranties, covenants or agreements set forth in this Agreement, which
inaccuracy, breach or failure to perform (A)&nbsp;would result in the failure of a condition set forth in Section&nbsp;6.1 or 6.3 and (B)&nbsp;cannot be cured by the Termination Date or, if it can be cured by the Termination Date, shall not have
been cured prior to the earlier of (x)&nbsp;30 days after written notice thereof is given by the Parent to the Company or (y)&nbsp;the Termination Date; <U>provided</U>, that Parent </P>
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shall have given the Company written notice, delivered at least 30 days prior to such termination (or promptly, if such notice is given within 30 days of the Termination Date), stating the
Company&#146;s intention to terminate this Agreement pursuant to this Section&nbsp;7.1(d)(i)&nbsp;and the basis for such termination; <U>provided further</U>, that Parent shall not have the right to terminate this Agreement pursuant to this
Section&nbsp;7.1(d)(i)&nbsp;if Parent or Merger Sub is then in material breach of any of its covenants or agreements set forth in this Agreement; or </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(ii) if prior to the receipt of the Company Stockholder Approval, the Company Board shall have effected an Adverse Recommendation Change.
</P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The party desiring to terminate this Agreement pursuant to this Section&nbsp;7.1 (other than pursuant to Section&nbsp;7.1(a)) shall
deliver written notice of such termination to each other party. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_90"></A>Section&nbsp;7.2 <U>Effect of
Termination</U>. In the event of termination of the Agreement, this Agreement shall forthwith become void and have no effect, without any liability or obligation on the part of Parent, Merger Sub or the Company, except that the Confidentiality
Agreement and the provisions of Section&nbsp;3.23 and 4.10 (Brokers), Section&nbsp;5.11(g)&nbsp;( Financing Reimbursement), 5.12(f)&nbsp;(Indebtedness Reimbursement), this Section&nbsp;7.2, Section&nbsp;7.3 (Fees and Expenses), Section&nbsp;8.2
(Notices), Section&nbsp;8.5 (Entire Agreement), Section&nbsp;8.6 (Parties in Interest), Section&nbsp;8.7 (Governing Law), Section&nbsp;8.8 (Submission to Jurisdiction), Section&nbsp;8.9 (Assignment; Successors), Section&nbsp;8.10 (Enforcement),
Section&nbsp;8.12 (Severability), Section&nbsp;8.13 (Waiver of Jury Trial) and Section&nbsp;8.16 (No Presumption Against Drafting Party) of this Agreement (and any related definitions contained therein) shall survive the termination hereof;
<U>provided</U>, that none of Parent, Merger Sub or the Company shall be released from any liabilities or damages arising out of a Willful Breach of any covenant set forth in this Agreement. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_91"></A>Section&nbsp;7.3 <U>Fees and Expenses</U>. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(a) Except as otherwise provided in this Section&nbsp;7.3, all fees and expenses incurred in connection with this Agreement, the Merger and the
other transactions contemplated hereby shall be paid by the party incurring such fees or expenses, whether or not the Merger is consummated. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(b) In the event that: </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(i)
this Agreement is terminated by (i)&nbsp;Parent pursuant to Section&nbsp;7.1(d)(i)&nbsp;or (ii)&nbsp;either Parent or the Company pursuant to Section&nbsp;7.1(b)(iii)&nbsp;and (A)&nbsp;at any time after the date of this Agreement and prior to the
taking of a vote to approve this Agreement at the Company Stockholders Meeting or any adjournment or postponement thereof, an Acquisition Proposal shall have been communicated to the senior management of the Company or the Company Board or shall
have been publicly disclosed or announced or publicly made known to the stockholders of the Company, and not withdrawn prior to the date that is 5 Business Days prior to such vote to adopt this Agreement, and (B)&nbsp;within 12 months after such
termination, the Company shall have entered into a definitive agreement with respect to, or shall have consummated, any Acquisition Proposal (<U>provided</U>, that for purposes of this Section&nbsp;7.3(b)(i), the references to &#147;20% or
more&#148; in the definition of Acquisition Proposal shall be deemed to be references to &#147;more than 50%&#148;); </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(ii) this Agreement
is terminated by the Company pursuant to Section&nbsp;7.1(c)(ii); or </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">(iii) this Agreement is terminated by Parent pursuant to
Section&nbsp;7.1(d)(ii) </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">then, in any such case, the Company shall pay Parent a termination fee of $27,500,000 (the &#147;<U>Termination Fee</U>&#148;),
it being understood that in no event shall the Company be required to pay the Termination Fee on more than one occasion. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(c) Payment of
the Termination Fee, if applicable, shall be made by wire transfer of immediately available funds to the account or accounts designated by Parent (i)&nbsp;on the earlier of the execution of a definitive
</P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">A-61 </P>

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agreement with respect to or consummation of, any transaction contemplated by an Acquisition Proposal, as applicable, in the case of a Termination Fee payable pursuant to Section&nbsp;7.3(b)(i),
(ii)&nbsp;concurrently with, or prior to, termination, in the case of a Termination Fee payable pursuant to Section&nbsp;7.3(b)(ii)&nbsp;or (iii)&nbsp;as promptly as reasonably practicable (and in any event within two Business Days) after
termination, in the case of a Termination Fee payable pursuant to Section&nbsp;7.3(b)(iii). In the event that Parent or its designee shall receive full payment pursuant to Section&nbsp;7.3(b), the receipt of the Termination Fee shall be deemed to be
liquidated damages for any and all losses or damages suffered or incurred by Parent, Merger Sub, any of their respective Affiliates or any other Person in connection with this Agreement (and the termination hereof), the transactions herein (and the
abandonment thereof) or any matter forming the basis for such termination, and none of Parent, Merger Sub, any of their respective Affiliates or any other Person shall be entitled to bring or maintain any claim, action or proceeding against the
Company or any of its Affiliates arising out of or in connection with this Agreement, any of the transactions contemplated herein or any matters forming the basis for such termination. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(d) The Company acknowledges that the agreements contained in this Section&nbsp;7.3 are an integral part of the transactions contemplated by
this Agreement, and that, without these agreements, Parent and Merger Sub would not enter into this Agreement; accordingly, if the Company fails to timely pay any amounts due pursuant to this Section&nbsp;7.3, and, in order to obtain such payment,
Parent commences a suit that results in a judgment against the Company for the amounts set forth in this Section&nbsp;7.3, the Company shall pay to Parent its costs and expenses (including reasonable attorneys&#146; fees and expenses) in connection
with such suit, together with interest on the amounts due pursuant to this Section&nbsp;7.3 from the date such payment was required to be made until the date of payment at the prime lending rate as published in <U>The Wall Street Journal</U> in
effect on the date such payment was required to be made. The parties acknowledge and agree that the right to receive the Termination Fee under this Agreement shall not limit or otherwise affect Parent&#146;s or Merger Sub&#146;s right to specific
performance as provided in Section&nbsp;8.10, but for the avoidance of doubt, under no circumstances shall Parent, directly or indirectly, be permitted or entitled to receive both a grant of specific performance that results in the Closing, on the
one hand, and the payment of the Termination Fee or any other damages, on the other hand. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_92"></A>Section&nbsp;7.4 <U>Amendment or Supplement</U>. This Agreement may be amended, modified or supplemented by
the parties prior to the Effective Time by written agreement signed by each of the parties hereto, whether before or after the Company Stockholder Approval has been obtained; <U>provided</U>, that (a)&nbsp;after the Company Stockholder Approval has
been obtained, no amendment may be made that pursuant to applicable Law requires further approval or adoption by the stockholders of the Company without such further approval or adoption and (b)&nbsp;notwithstanding anything to the contrary herein,
this Section&nbsp;7.4 and Sections 8.6, 8.17 and 8.18 (and any other provision of this Agreement to the extent an amendment, modification or termination of such provision would modify the substance of any of the foregoing provisions) may not be
amended, modified, waived or terminated in a manner that is materially adverse to the Debt Financing Sources without the prior written consent of the Debt Financing Sources that are party to the Debt Commitment Letter (such consent not to be
unreasonably withheld, delayed or conditioned). This Agreement may not be amended, modified or supplemented in any manner, whether by course of conduct or otherwise, except by an instrument in writing specifically designated as an amendment hereto,
signed on behalf of each of the parties in interest at the time of the amendment. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_93"></A>Section&nbsp;7.5
<U>Extension of Time; Waiver</U>. At any time prior to the Effective Time, the parties may (a)&nbsp;extend the time for the performance of any of the obligations or acts of the other parties, (b)&nbsp;waive any inaccuracies in the representations
and warranties of the other parties set forth in this Agreement or any document delivered pursuant hereto or (c)&nbsp;unless prohibited by applicable Law, waive compliance with any of the agreements or conditions of the other parties contained
herein; <U>provided</U>, that after the Company Stockholder Approval has been obtained, no waiver may be made that pursuant to applicable Law requires further approval or adoption by the stockholders of the Company without such further approval or
adoption. Any agreement on the part of a party to any such extension or waiver shall be valid only if set forth in a written instrument executed and delivered by a duly authorized officer on behalf of such party. No failure or delay of any party in
exercising any right or remedy hereunder shall operate as a waiver thereof, nor shall any single or partial exercise of any such right or power, or </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">A-62 </P>

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any abandonment or discontinuance of steps to enforce such right or power, or any course of conduct, preclude any other or further exercise thereof or the exercise of any other right or power.
</P> <P STYLE="margin-top:24pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><A NAME="annxarom338793_94"></A>ARTICLE&nbsp;VIII </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>GENERAL PROVISIONS </B></P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_95">
</A>Section&nbsp;8.1 <U>Nonsurvival of Representations and Warranties and <FONT STYLE="white-space:nowrap">Pre-Closing</FONT> Covenants</U>. None of the representations, warranties, covenants, obligations or agreements of the parties in this
Agreement or in any instrument delivered pursuant to this Agreement, including any rights arising out of any breach of such representations, warranties, covenants, obligations or agreements shall survive the Effective Time, other than those
covenants or agreements of the parties which by their terms apply, or are to be performed in whole or in part, after the Effective Time. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_96">
</A>Section&nbsp;8.2 <U>Notices</U>. All notices and other communications hereunder shall be in writing and shall be deemed duly given on (a)&nbsp;the date of delivery if delivered personally, or if by <FONT STYLE="white-space:nowrap">e-mail,</FONT>
on the date of transmittal (provided no &#147;bounce back&#148; or similar message of <FONT STYLE="white-space:nowrap">non-delivery</FONT> is received with respect thereto), (b)&nbsp;the first Business Day following the date of dispatch if delivered
utilizing a <FONT STYLE="white-space:nowrap">next-day</FONT> service by a recognized <FONT STYLE="white-space:nowrap">next-day</FONT> courier or (c)&nbsp;the earlier of confirmed receipt or the fifth Business Day following the date of mailing if
delivered by registered or certified mail, return receipt requested, postage prepaid. All notices hereunder shall be delivered to the addresses set forth below, or pursuant to such other instructions as may be designated in writing by the party to
receive such notice: </P> <P STYLE="font-size:18pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="9%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">(i)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">if to Parent, Merger Sub or the Surviving Corporation, to: </P></TD></TR></TABLE>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:13%; font-size:10pt; font-family:Times New Roman">MasTec,&nbsp;Inc. </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:13%; font-size:10pt; font-family:Times New Roman">800 S.
Douglas Road, 12th Floor </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:13%; font-size:10pt; font-family:Times New Roman">Coral Gables, Florida 33134 </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:13%; font-size:10pt; font-family:Times New Roman">Attention: Alberto de Cardenas </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:13%; font-size:10pt; font-family:Times New Roman"><FONT STYLE="white-space:nowrap">E-mail:</FONT> albert.cardenas@mastec.com </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:13%; font-size:10pt; font-family:Times New Roman">with a copy (which shall not constitute notice) to: </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:13%; font-size:10pt; font-family:Times New Roman">Fried, Frank, Harris, Shriver&nbsp;&amp; Jacobson LLP </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:13%; font-size:10pt; font-family:Times New Roman">One New York Plaza </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:13%; font-size:10pt; font-family:Times New Roman">New York,
NY 10004 </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:13%; font-size:10pt; font-family:Times New Roman">Attention: Philip Richter; Maxwell Yim </P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="13%">&nbsp;</TD>
<TD WIDTH="5%" VALIGN="top" ALIGN="left"><FONT STYLE="white-space:nowrap">E-mail:</FONT></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">philip.richter@friedfrank.com </P></TD></TR></TABLE>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="13%">&nbsp;</TD>
<TD WIDTH="5%" VALIGN="top" ALIGN="left">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">maxwell.yim@friedfrank.com </P></TD></TR></TABLE>
<P STYLE="font-size:18pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="9%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">(ii)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">if to the Company, to: </P></TD></TR></TABLE>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:13%; font-size:10pt; font-family:Times New Roman">Infrastructure and Energy Alternatives,&nbsp;Inc. </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:13%; font-size:10pt; font-family:Times New Roman">6325 Digital Way, Suite&nbsp;460 </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:13%; font-size:10pt; font-family:Times New Roman">Indianapolis,&nbsp;Indiana 46278 </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:13%; font-size:10pt; font-family:Times New Roman">Attention: Erin Roth </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:13%; font-size:10pt; font-family:Times New Roman"><FONT
STYLE="white-space:nowrap">E-mail:</FONT> Erin.Roth@iea.net </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:13%; font-size:10pt; font-family:Times New Roman">with a copy (which shall not constitute notice) to: </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:13%; font-size:10pt; font-family:Times New Roman">Gibson, Dunn&nbsp;&amp; Crutcher LLP </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:13%; font-size:10pt; font-family:Times New Roman">200 Park Avenue </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:13%; font-size:10pt; font-family:Times New Roman">New York, NY
10166 </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:13%; font-size:10pt; font-family:Times New Roman">Attention: Barbara L. Becker; Saee M. Muzumdar; Andrew Kaplan </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:13%; font-size:10pt; font-family:Times New Roman"><FONT STYLE="white-space:nowrap">E-mail:</FONT> bbecker@gibsondunn.com; </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">A-63 </P>

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<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="13%">&nbsp;</TD>
<TD WIDTH="5%" VALIGN="top" ALIGN="left">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">smuzumdar@gibsondunn.com; </P></TD></TR></TABLE>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="13%">&nbsp;</TD>
<TD WIDTH="5%" VALIGN="top" ALIGN="left">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">akaplan@gibsondunn.com </P></TD></TR></TABLE>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_97"></A>Section&nbsp;8.3 <U>Certain Definitions</U>. For purposes of this Agreement: </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(a) &#147;<U>Affiliate</U>&#148; of any Person means any other Person that directly or indirectly, through one or more intermediaries,
controls, is controlled by, or is under common control with, such first Person; </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(b) &#147;<U>Anti-Dilution Warrant Certificates</U>&#148;
means the Warrant Certificates executed and delivered in connection with the Equity Commitment Agreements and the Preferred Stock Exchange Agreement; </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(c) &#147;<U>BRC</U>&#148; means the Bid Review Committee of the Company Board; </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(d) &#147;<U>BRC Charter</U>&#148; means the Charter of the BRC as approved and adopted as of March&nbsp;1, 2022; </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(e) &#147;<U>Business Day</U>&#148; means any day other than a Saturday, a Sunday or a day on which banks in New York, New York are authorized
or required by applicable Law to be closed; </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(f) &#147;<U>Company IT Assets</U>&#148; means all software, systems, servers, websites,
computers, hardware, firmware, middleware, networks, data communications lines, routers, hubs, switches and all other information technology equipment, of the Company and its Subsidiaries that are owned or controlled by the Company; </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(g) &#147;<U>Company Warrants</U>&#148; means the Anti-Dilution Warrants, the <FONT STYLE="white-space:nowrap">Pre-Funded</FONT> Warrants, the
Series&nbsp;B Warrants and the SPAC Warrants; </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(h) &#147;<U>Compliant</U>&#148; means, with respect to the Required Information, that:
(a)&nbsp;such Required Information complies in all material respects with all requirements of Regulation <FONT STYLE="white-space:nowrap">S-K</FONT> and Regulation <FONT STYLE="white-space:nowrap">S-X</FONT> under the Securities Act for a registered
public offering of <FONT STYLE="white-space:nowrap">non-convertible</FONT> debt securities on <FONT STYLE="white-space:nowrap">Form&nbsp;S-1</FONT> or <FONT STYLE="white-space:nowrap">S-4</FONT> that would be applicable to such Required Information
(other than such provisions for which compliance is not customary in a Rule&nbsp;144A offering of debt securities) and (b)&nbsp;the financial statements included in such Required Information (i)&nbsp;would not be deemed stale or otherwise be
unusable under customary practices for offerings of debt securities issued under Rule&nbsp;144A promulgated under the Securities Act and (ii)&nbsp;are sufficient to permit the Company&#146;s independent auditors to issue customary comfort letters to
the Debt Financing Sources to the extent required as part of the Financing Transactions, including as to customary negative assurances and change period, in order to consummate any offering of debt securities; </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(i) &#147;<U>control</U>&#148; (including the terms &#147;controlled,&#148; &#147;controlled by&#148; and &#147;under common control
with&#148;) means the possession, directly or indirectly, of the power to direct or cause the direction of the management and policies of a Person, whether through the ownership of voting securities, by contract or otherwise; </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(j) &#147;<U><FONT STYLE="white-space:nowrap">COVID-19</FONT></U>&#148; means
<FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">SARS-CoV-2</FONT></FONT> or <FONT STYLE="white-space:nowrap">COVID-19,</FONT> and any variants or evolutions thereof or related or associated epidemics, pandemics or disease
outbreaks; </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(k) &#147;<U>Debt Financing Sources</U>&#148; means the financial institutions identified in the Debt Commitment Letter and
the financial institutions engaged or assisting Parent in connection with any Company Note Offers and Consent Solicitations, in each case, together with the agents, arrangers, lenders and other entities that have committed to provide or arrange or
otherwise entered into agreements in connection with all or any part of the Financing Transactions or solicit exchanges, tenders or consents in connection therewith and each other Person that commits to arrange or provide or otherwise provides the
Financing Transactions or solicit exchanges, tenders or consents in connection therewith (or to purchase securities from or place securities or arrange or provide loans for Parent in lieu of the Debt Financing), whether by joinder to the Debt
Commitment Letter or otherwise, including the parties to any joinder agreements, engagement letters, indentures, credit agreements or dealer </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">A-64 </P>

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manager agreements entered into in connection therewith, together with their respective Affiliates and their respective Affiliates&#146; officers, directors, employees, controlling persons,
agents and representatives and their respective successors and permitted assigns; </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(l) &#147;<U>Equity Commitment Agreements</U>&#148;
means (i)&nbsp;the Amended and Restated Equity Commitment Agreement dated May&nbsp;20, 2019, by and among the Company, the Commitment Parties thereto and Oaktree Power Opportunities Fund III Delaware, L.P., (ii)&nbsp;the Equity Commitment Agreement
dated August&nbsp;13, 2019, by and among the Company, the Commitment Parties thereto and the other parties set forth therein (as amended) and (iii)&nbsp;the Equity Commitment Agreement dated October&nbsp;29, 2019, by and among the Company, the
Commitment Parties thereto and the other parties set forth therein (as amended); </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(m) &#147;<U>Existing Company Credit Agreement</U>&#148;
means that certain Credit Agreement, dated as of August&nbsp;17, 2021, by and among IEA Energy Services LLC, the guarantors party thereto from time to time, the lenders party thereto from time to time and CIBC Bank USA, as administrative agent and
collateral agent; </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(n) &#147;<U>Existing Company Indenture</U>&#148; means that certain Indenture, dated as of August&nbsp;17, 2021, by
and among IEA Energy Services LLC, the guarantors party thereto from time to time and Wilmington Trust National Association, as trustee, governing the 6.625% Senior Notes due 2029; </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(o) &#147;<U>Existing Company Notes</U>&#148; means, collectively, the notes and debentures issued pursuant to the Existing Company Indenture;
</P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(p) &#147;<U>Financing Transactions</U>&#148; means, collectively, the Debt Financing and the Company Note Offers and Consent
Solicitations. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(q) &#147;<U>Governmental Entity</U>&#148; means any nation or government, any state, province or other political
subdivision thereof exercising executive, legislative, judicial, regulatory or administrative functions of or pertaining to government, or any government authority or self-regulatory organization (including the Financial Industry Regulatory
Authority and any national securities exchange) of the United States of America or any foreign government, any state of the United States of America, or any municipality or other political subdivision thereof, and any court or tribunal of competent
jurisdiction. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(r) &#147;<U>Indebtedness</U>&#148; means (x)&nbsp;indebtedness issued or incurred under any credit facilities (including
any unpaid principal, premium, accrued and unpaid interest, related expenses, prepayment penalties, commitment and other fees, reimbursements and all other amounts payable in connection therewith) or any other obligations with respect to borrowed
money and (y)&nbsp;liabilities evidenced by bonds, debentures, notes, mortgages or other similar instruments or debt securities, but in each case does not include any capital leases, equipment leases, purchase money financing or other indebtedness
incurred in connection with the purchase or lease of equipment in the ordinary course of business; </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(s) &#147;<U>Intellectual
Property</U>&#148; means the following intellectual property rights, in each case, to the extent protectable under applicable Law, (a)&nbsp;patents and patent applications and any reissues, continuations, <FONT STYLE="white-space:nowrap"><FONT
STYLE="white-space:nowrap">continuations-in-part,</FONT></FONT> divisions, revisions, extensions or reexaminations thereof, (b)&nbsp;trademarks, service marks, trade dress, trade names, slogans, and logos and registrations, applications and renewals
for any of the foregoing, as applicable, together with all of the goodwill associated therewith, (c)&nbsp;copyrights and other works of authorship and registrations, applications and renewals for any of the foregoing, as applicable, and
(d)&nbsp;trade secrets other rights in confidential and other <FONT STYLE="white-space:nowrap">non-public</FONT> information, <FONT STYLE="white-space:nowrap">know-how,</FONT> inventions, discoveries, improvements, methodology, databases,
algorithms, systems and technology (whether patentable or not); </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(t) &#147;<U>knowledge</U>&#148; means (a)&nbsp;with respect to the
Company and its Subsidiaries, the actual knowledge of the individuals listed on Section&nbsp;8.3(t)&nbsp;of the Company Disclosure Letter and (b)&nbsp;with respect to Parent and its Subsidiaries, the actual knowledge of Jos&eacute; R. Mas, George L.
Pita and Alberto de Cardenas; in each case, after due inquiry; </P>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(u) &#147;<U>Material Adverse Effect</U>&#148; means any event, change, circumstance,
development, occurrence or effect that, individually or in the aggregate, has had, or would reasonably be expected to have, a material adverse effect on the business, financial condition, assets, liabilities or results of operations of the Company
and its Subsidiaries, taken as a whole; <U>provided</U>, that no event, change, circumstance, development, occurrence or effect directly or indirectly arising out of, attributable to or resulting from any of the following, alone or in combination,
shall be deemed to constitute, or be taken into account in determining whether there has been or would or could be, a Material Adverse Effect: (1)&nbsp;any changes in general economic or business conditions or in the financial, debt, banking,
capital, credit or securities markets, or in interest or exchange rates, in each case, in the United States or elsewhere in the world, (2)&nbsp;any changes or developments generally affecting any of the industries in which the Company or its
Subsidiaries operate, (3)&nbsp;any changes in any applicable Laws or any changes in applicable accounting regulations or principles, or in interpretations of any of the foregoing, (4)&nbsp;any change in the market price or trading volume of the
Company&#146;s stock, in and of itself (<U>provided</U>, that the event, change, circumstance, development, occurrence or effect underlying such change that are not otherwise excluded from the definition of &#147;Material Adverse Effect&#148; may be
deemed to constitute, or be taken into account in determining whether there has been or would reasonably be expected to become, a Material Adverse Effect), (5)&nbsp;any failure by the Company to meet internal or published projections, forecasts,
revenue or earnings predictions, in and of itself (<U>provided</U>, that the facts or occurrences giving rise to or contributing to such failure that are not otherwise excluded from the definition of &#147;Material Adverse Effect&#148; may be deemed
to constitute, or be taken into account in determining whether there has been or would reasonably be expected to become a Material Adverse Effect), (6)&nbsp;political, geopolitical, social or regulatory conditions, including any outbreak,
continuation or escalation of any military conflicts, declared or undeclared wars, armed hostilities, civil unrest, public demonstrations or acts of foreign or domestic terrorism or sabotage (including hacking, ransomware or any other electronic
attack), or any escalation or worsening of any such conditions, (7)&nbsp;any natural or manmade disasters or calamities, weather conditions including hurricanes, floods, tornados, tsunamis, earthquakes and wild fires, cyber outages, or other force
majeure events, or any escalation or worsening of such conditions, (8)&nbsp;any epidemic, pandemic or outbreak of disease (including, for the avoidance of doubt, <FONT STYLE="white-space:nowrap">COVID-19),</FONT> or any escalation or worsening of
such conditions, (9)&nbsp;(x)&nbsp;the announcement of this Agreement and the transactions contemplated hereby, including the initiation of litigation by any Person with respect to this Agreement, and including any termination of, reduction in or
similar negative impact on relationships, contractual or otherwise, with any customers, suppliers, distributors, partners or employees of the Company and its Subsidiaries due to the announcement and performance of this Agreement or the identity of
the parties to this Agreement, (y)&nbsp;the performance of this Agreement and the transactions contemplated hereby or (z)&nbsp;any action taken by the Company, or which the Company causes to be taken by any of its Subsidiaries, in each case which is
required in connection with this Agreement; <U>provided</U>, that the exception in this clause (9)&nbsp;shall not apply with respect to any representation and warranty in Section&nbsp;3.4, Section&nbsp;3.11(e), Section&nbsp;3.19(b)&nbsp;or
Section&nbsp;3.19(f)&nbsp;to the extent addressing the impact of the execution, delivery or performance of this Agreement or the transactions contemplated hereby and to the extent related to such representations and warranties, the condition set
forth in Section&nbsp;6.3(a), or (10)&nbsp;any actions taken (or omitted to be taken) at the written request of Parent; <U>provided</U>, that in the case of clauses (1), (2), (3), (6), (7)&nbsp;and (8), to the extent such event, change,
circumstance, development, occurrence or effect disproportionately impacts the Company and its Subsidiaries, taken as a whole, as compared to other participants in the industries and geographic areas in which the Company and its Subsidiaries operate
(and <U>provided</U> that in such event, only the incremental disproportionate adverse impact shall be taken into account when determining whether there has been a &#147;Material Adverse Effect&#148; hereunder); </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(v) &#147;<U>Parent Common Stock</U>&#148; means common stock, par value $0.10 per share, of Parent. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(w) &#147;<U>Parent Equity Awards</U>&#148; means stock options, performance-based restricted stock unit awards, and restricted stock unit
awards, in each case, granted by Parent and relating to shares of Parent Common Stock, other than stock options granted to participants in the MasTec,&nbsp;Inc. Amended and Restated Bargaining Units ESPP and the MasTec,&nbsp;Inc. Amended and
Restated 2011 Employee Stock Purchase Plan. </P>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(x) &#147;<U>Parent Material Adverse Effect</U>&#148; means any event, change, circumstance,
development, occurrence or effect that, individually or in the aggregate, has had, or would reasonably be expected to have, a material adverse effect on the business, financial condition, assets, liabilities or results of operations of Parent and
its Subsidiaries, taken as a whole; <U>provided</U>, that no event, change, circumstance, development, occurrence or effect directly or indirectly arising out of, attributable to or resulting from any of the following, alone or in combination, shall
be deemed to constitute, or be taken into account in determining whether there has been or would or could be, a Parent Material Adverse Effect: (1)&nbsp;any changes in general economic or business conditions or in the financial, debt, banking,
capital, credit or securities markets, or in interest or exchange rates, in each case, in the United States or elsewhere in the world, (2)&nbsp;any changes or developments generally affecting any of the industries in which Parent or its Subsidiaries
operate, (3)&nbsp;any changes in any applicable Laws or any changes in applicable accounting regulations or principles, or in interpretations of any of the foregoing, (4)&nbsp;any change in the market price or trading volume of Parent&#146;s stock,
in and of itself (<U>provided</U>, that the event, change, circumstance, development, occurrence or effect underlying such change that are not otherwise excluded from the definition of &#147;Parent Material Adverse Effect&#148; may be deemed to
constitute, or be taken into account in determining whether there has been or would reasonably be expected to become, a Parent Material Adverse Effect), (5)&nbsp;any failure by Parent to meet internal or published projections, forecasts, revenue or
earnings predictions, in and of itself (<U>provided</U>, that the facts or occurrences giving rise to or contributing to such failure that are not otherwise excluded from the definition of &#147;Parent Material Adverse Effect&#148; may be deemed to
constitute, or be taken into account in determining whether there has been or would reasonably be expected to become a Parent Material Adverse Effect), (6)&nbsp;political, geopolitical, social or regulatory conditions, including any outbreak,
continuation or escalation of any military conflicts, declared or undeclared wars, armed hostilities, civil unrest, public demonstrations or acts of foreign or domestic terrorism or sabotage (including hacking, ransomware or any other electronic
attack), or any escalation or worsening of any such conditions, (7)&nbsp;any natural or manmade disasters or calamities, weather conditions including hurricanes, floods, tornados, tsunamis, earthquakes and wild fires, cyber outages, or other force
majeure events, or any escalation or worsening of such conditions, (8)&nbsp;any epidemic, pandemic or outbreak of disease (including, for the avoidance of doubt, <FONT STYLE="white-space:nowrap">COVID-19),</FONT> or any escalation or worsening of
such conditions, (9)&nbsp;(x)&nbsp;the announcement of this Agreement and the transactions contemplated hereby, including the initiation of litigation by any Person with respect to this Agreement, and including any termination of, reduction in or
similar negative impact on relationships, contractual or otherwise, with any customers, suppliers, distributors, partners or employees of Parent and its Subsidiaries due to the announcement and performance of this Agreement or the identity of the
parties to this Agreement, (y)&nbsp;the performance of this Agreement and the transactions contemplated hereby or (z)&nbsp;any action taken by Parent, or which Parent causes to be taken by any of its Subsidiaries, in each case which is required in
connection with this Agreement; <U>provided</U>, that the exception in this clause (9)&nbsp;shall not apply with respect to any representation and warranty in Section&nbsp;4.4 to the extent addressing the impact of the execution, delivery or
performance of this Agreement or the transactions contemplated hereby and to the extent related to such representations and warranties, the condition set forth in Section&nbsp;6.2(a), or (10)&nbsp;any actions taken (or omitted to be taken) at the
written request of the Company; <U>provided</U>, that in the case of clauses (1), (2), (3), (6), (7)&nbsp;and (8), to the extent such event, change, circumstance, development, occurrence or effect disproportionately impacts Parent and its
Subsidiaries, taken as a whole, as compared to other participants in the industries and geographic areas in which Parent and its Subsidiaries operate (and <U>provided</U> that in such event, only the incremental disproportionate adverse impact shall
be taken into account when determining whether there has been a &#147;Parent Material Adverse Effect&#148; hereunder); </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(y)
&#147;<U>Person</U>&#148; means an individual, corporation, partnership, limited liability company, association, trust or other entity or organization, including any Governmental Entity; </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(z) &#147;<U>Personal Information</U>&#148; means all data relating to an identified or identifiable natural person, household or device
(i.e., data that identifies an individual or, in combination with any other information or data, is capable of identifying an individual, household or device) and that constitutes &#147;personal data&#148;, &#147;personal information&#148; or
&#147;personally identifiable information&#148;, or any similar term, as defined in the Privacy Laws applicable to the Company and its Subsidiaries; </P>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(aa) &#147;<U><FONT STYLE="white-space:nowrap">Pre-Funded</FONT> Warrant Agreement</U>&#148;
means the <FONT STYLE="white-space:nowrap">Pre-Funded</FONT> Warrant, dated as of August&nbsp;2, 2021, issued by the Company to ASOF Holdings I, L.P; </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(bb) &#147;<U>Preferred Stock Exchange Agreement</U>&#148; means the Preferred Stock Exchange Agreement, dated October&nbsp;29, 2019, by and
among Infrastructure and Energy Alternatives,&nbsp;Inc.,&nbsp;Infrastructure and Energy Alternatives, LLC, Ares Special Situations Fund IV, L.P. and ASOF Holdings I, L.P., Oaktree Power Opportunities Fund III Delaware, L.P., and OT POF IEA Preferred
B Aggregator, L.P. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(cc) &#147;<U>Privacy Laws</U>&#148; means all applicable Laws concerning the privacy, security, or processing of
Personal Information (including Laws of jurisdictions where Personal Information was collected), including, as applicable, data breach notification Laws, consumer protection Laws, Laws concerning requirements for website and mobile application
privacy policies and practices, Social Security number protection Laws, data security Laws, and Laws concerning email, text message, or telephone communications; </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(dd) &#147;<U>Public Health Measures</U>&#148; means any quarantine, &#147;shelter in place,&#148; &#147;stay at home,&#148; furlough,
workforce reduction, social distancing, shut down, closure, sequester or any other applicable Law or recommendation issued or promulgated by any Governmental Entity, the World Health Organization or any industry group in connection with or in
response to <FONT STYLE="white-space:nowrap">COVID-19</FONT> or any other epidemic, pandemic or outbreak of disease, or in connection with or in response to any other public health conditions, in each case, whether such Law or recommendation is in
place currently or adopted or modified hereafter; </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(ee) &#147;<U>Required Information</U>&#148; means the financial statements described
in Section&nbsp;5.b of Exhibit&nbsp;C to the Debt Commitment Letter; </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(ff) &#147;<U>Series</U><U></U><U>&nbsp;B Warrant
Agreement</U>&#148; means the Warrant Agreement, dated as of March&nbsp;3, 2020, by and between the Company and Continental Stock Transfer&nbsp;&amp; Trust Company, as Warrant Agent; </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(gg) &#147;<U>SPAC Warrant Agreement</U>&#148; means the Amended and Restated Warrant Agreement, dated as of March&nbsp;26, 2018, by and
between the Company and Continental Stock Transfer&nbsp;&amp; Trust Company, as Warrant Agent; </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(hh) &#147;<U>Subsidiary</U>&#148; means,
with respect to any Person, any other Person of which stock or other equity interests having ordinary voting power to elect more than 50% of the board of directors or other governing body are owned, directly or indirectly, by such first Person (and
notwithstanding anything to the contrary herein, the Company makes no representation, warranty, covenant or agreement in this Agreement with respect to any third party equity holder of any joint venture or any securities held by such Person); </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(ii) &#147;<U>Supplemental Indenture</U>&#148; means the execution of a supplemental indenture that, subject only to the occurrence of the
Merger, deletes the covenants set forth in Sections 3.2, 3.3, 3.4, 3.5, 3.6, 3.7, 3.8, 3.9, 3.10, 3.12, 3.13, 3.14, 3.16, 3.20, 4.1 and clauses (3)-(8)&nbsp;of Section&nbsp;6.1 of the Existing Company Indenture; and </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(jj) &#147;<U>Willful Breach</U>&#148; means a deliberate act or failure to act by a party hereto with knowledge by such party that such act
or failure to act constitutes in and of itself a material breach of this Agreement. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_98"></A>Section&nbsp;8.4
<U>Interpretation</U>. When a reference is made in this Agreement to a Section, Article, Exhibit&nbsp;or Schedule such reference shall be to a Section, Article, Exhibit&nbsp;or Schedule of this Agreement unless otherwise indicated. The table of
contents and headings contained in this Agreement or in any Exhibit&nbsp;or Schedule are for convenience of reference purposes only and shall not affect in any way the meaning or interpretation of this Agreement. All words used in this Agreement
will be construed to be of such gender or number as the circumstances require. Any capitalized terms used in any Exhibit&nbsp;or Schedule but not otherwise defined therein shall have the meaning as defined in this Agreement. All Exhibits and
Schedules annexed hereto or referred to herein are hereby incorporated in and made a part of this Agreement as if set forth herein. The word &#147;including&#148; </P>
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and words of similar import when used in this Agreement will mean &#147;including, without limitation,&#148; unless otherwise specified. The words &#147;hereof,&#148; &#147;herein&#148; and
&#147;hereunder&#148; and words of similar import when used in this Agreement shall refer to the Agreement as a whole and not to any particular provision in this Agreement. The term &#147;or&#148; is not exclusive. The word &#147;will&#148; shall be
construed to have the same meaning and effect as the word &#147;shall.&#148; The phrase &#147;ordinary course of business&#148; means an action taken, or omitted to be taken, in the ordinary course of business, consistent with past practice;
<U>provided</U>, that any action taken, or omitted to be taken, in good faith by the Company or any of its Subsidiaries in response to <FONT STYLE="white-space:nowrap">COVID-19</FONT> shall be deemed to be in the ordinary course of business.
References to days mean calendar days unless otherwise specified. If the last day of a period by which an act is to be done under this Agreement is a <FONT STYLE="white-space:nowrap">non-Business</FONT> Day, the period in question shall end on the
next succeeding Business Day. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_99"></A>Section&nbsp;8.5 <U>Entire Agreement</U>. This Agreement (including the
Exhibits hereto), the Company Disclosure Letter and the Confidentiality Agreement constitute the entire agreement, and supersede all prior written agreements, arrangements, communications and understandings and all prior and contemporaneous oral
agreements, arrangements, communications and understandings among the parties with respect to the subject matter hereof and thereof. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_100">
</A>Section&nbsp;8.6 <U>Parties in Interest</U>. This Agreement is not intended to, and shall not, confer upon any other Person other than the parties and their respective successors and permitted assigns any rights or remedies hereunder, except
(a)&nbsp;with respect to Section&nbsp;5.13 which shall inure to the benefit of the Persons benefiting therefrom who are intended to be third party beneficiaries thereof, (b)&nbsp;if the Effective Time occurs, the right of the Company stockholders to
receive the Merger Consideration, any dividends or other distributions payable pursuant to Section&nbsp;2.3(k)&nbsp;and cash in lieu of any fractional shares payable pursuant to Section&nbsp;2.6, in accordance with the terms and conditions of this
Agreement and (c)&nbsp;the Debt Financing Sources may enforce on behalf of the Debt Financing Sources (and each is an intended third-party beneficiary thereof) the provisions of this Section&nbsp;8.6 and Sections 7.4, 8.17 and 8.18. The
representations and warranties in this Agreement are the product of negotiations among the parties hereto. In some instances, the representations and warranties in this Agreement may represent an allocation among the parties hereto of risks
associated with particular matters regardless of the knowledge of any of the parties hereto. Consequently, Persons other than the parties hereto may not rely upon the representations and warranties in this Agreement or the characterization of actual
facts or circumstances as of the date of this Agreement or as of any other date. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_101"></A>Section&nbsp;8.7
<U>Governing Law</U>. This Agreement and all disputes or controversies arising out of or relating to this Agreement or the transactions contemplated hereby shall be governed by, and construed in accordance with, the internal laws of the State of
Delaware, without regard to the laws of any other jurisdiction that might be applied because of the conflicts of laws principles of the State of Delaware. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_102"></A>Section&nbsp;8.8 <U>Submission to Jurisdiction</U>. Each of the parties irrevocably agrees that any legal
action or proceeding arising out of or relating to this Agreement brought by any party or its Affiliates against any other party or its Affiliates shall be brought and determined in the Court of Chancery of the State of Delaware; <U>provided</U>,
that if jurisdiction is not then available in the Court of Chancery of the State of Delaware, then any such legal action or proceeding may be brought in any federal court located in the State of Delaware or any other Delaware state court. Each of
the parties hereby irrevocably submits to the jurisdiction of the aforesaid courts for itself and with respect to its property, generally and unconditionally, with regard to any such action or proceeding arising out of or relating to this Agreement
and the transactions contemplated hereby, including the Merger. Each of the parties agrees not to commence any action, suit or proceeding relating thereto except in the courts described above in Delaware, other than actions in any court of competent
jurisdiction to enforce any judgment, decree or award rendered by any such court in Delaware as described herein. Each of the parties further agrees that notice as provided herein shall constitute sufficient service of process and the parties
further waive any argument that such service is insufficient. Each of the parties hereby irrevocably and unconditionally waives, and agrees not to assert, by way of motion or as a defense, counterclaim or otherwise, in any action or proceeding
arising out of or relating to this Agreement or the transactions contemplated hereby, including the Merger, </P>
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(a)&nbsp;any claim that it is not personally subject to the jurisdiction of the courts in Delaware as described herein for any reason, (b)&nbsp;that it or its property is exempt or immune from
jurisdiction of any such court or from any legal process commenced in such courts (whether through service of notice, attachment prior to judgment, attachment in aid of execution of judgment, execution of judgment or otherwise) and (c)&nbsp;that
(i)&nbsp;the suit, action or proceeding in any such court is brought in an inconvenient forum, (ii)&nbsp;the venue of such suit, action or proceeding is improper or (iii)&nbsp;this Agreement, or the subject matter hereof, may not be enforced in or
by such courts. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_103"></A>Section&nbsp;8.9 <U>Assignment; Successors</U>. Neither this Agreement nor any of the
rights, interests or obligations under this Agreement may be assigned or delegated, in whole or in part, by operation of law or otherwise, by any party without the prior written consent of the other parties, and any such assignment without such
prior written consent shall be null and void. Subject to the preceding sentence, this Agreement will be binding upon, inure to the benefit of, and be enforceable by, the parties and their respective successors and assigns. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_104"></A>Section&nbsp;8.10 <U>Specific Performance</U>. The parties agree that irreparable damage would occur in the
event that any of the provisions of this Agreement were not performed in accordance with their specific terms or were otherwise breached. Accordingly, each of the Company (on behalf of itself and on behalf of the holders of Shares as third party
beneficiaries under Section&nbsp;8.6), Parent and Merger Sub shall be entitled to specific performance of the terms hereof, including an injunction or injunctions to prevent breaches or threatened breaches of this Agreement and to enforce
specifically the performance of the terms and provisions of this Agreement, this being in addition to any other remedy to which such party is entitled at law or in equity. Each of the parties hereby further waives (a)&nbsp;any defense in any action
for specific performance that a remedy at law would be adequate and (b)&nbsp;any requirement under any Law to post security as a prerequisite to obtaining equitable relief. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_105"></A>Section&nbsp;8.11 <U>Currency</U>. All references to &#147;dollars&#148; or &#147;$&#148; or &#147;US$&#148;
in this Agreement refer to United States dollars, which is the currency used for all purposes in this Agreement. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_106">
</A>Section&nbsp;8.12 <U>Severability</U>. Whenever possible, each provision or portion of any provision of this Agreement shall be interpreted in such manner as to be effective and valid under applicable Law, but if any provision or portion of any
provision of this Agreement is held to be invalid, illegal or unenforceable in any respect under any applicable Law or rule&nbsp;in any jurisdiction, such invalidity, illegality or unenforceability shall not affect any other provision or portion of
any provision in such jurisdiction, and this Agreement shall be reformed, construed and enforced in such jurisdiction as if such invalid, illegal or unenforceable provision or portion of any provision had never been contained herein. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_107"></A>Section&nbsp;8.13 <U>Waiver of Jury Trial</U>. EACH OF THE PARTIES TO THIS AGREEMENT HEREBY IRREVOCABLY
WAIVES ALL RIGHT TO A TRIAL BY JURY IN ANY ACTION, PROCEEDING OR COUNTERCLAIM ARISING OUT OF OR RELATING TO THIS AGREEMENT OR THE TRANSACTIONS CONTEMPLATED HEREBY. EACH PARTY TO THIS AGREEMENT CERTIFIES AND ACKNOWLEDGES THAT: (A)&nbsp;NO
REPRESENTATIVE OF ANY OTHER PARTY HAS REPRESENTED, EXPRESSLY OR OTHERWISE, THAT SUCH OTHER PARTY WOULD NOT SEEK TO ENFORCE THE FOREGOING WAIVER IN THE EVENT OF A LEGAL ACTION; (B)&nbsp;SUCH PARTY HAS CONSIDERED THE IMPLICATIONS OF THIS WAIVER;
(C)&nbsp;SUCH PARTY MAKES THIS WAIVER VOLUNTARILY; AND (D)&nbsp;SUCH PARTY HAS BEEN INDUCED TO ENTER INTO THIS AGREEMENT BY, AMONG OTHER THINGS, THE MUTUAL WAIVERS AND CERTIFICATIONS IN THIS SECTION&nbsp;8.13. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_108"></A>Section&nbsp;8.14 <U>Counterparts</U>. This Agreement may be executed in two or more counterparts, all of
which shall be considered one and the same instrument and shall become effective when one or more counterparts have been signed by each of the parties and delivered to the other parties. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_109"></A>Section&nbsp;8.15 <U>Facsimile or .pdf Signature</U>. This Agreement may be executed by facsimile or .pdf
signature and a facsimile or .pdf signature shall constitute an original for all purposes. </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">A-70 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_110"></A>Section&nbsp;8.16 <U>No Presumption Against Drafting
Party</U>. Each of Parent, Merger Sub and the Company acknowledges that each party to this Agreement has been represented by counsel in connection with this Agreement and the transactions contemplated by this Agreement. Accordingly, any rule&nbsp;of
law or any legal decision that would require interpretation of any claimed ambiguities in this Agreement against the drafting party has no application and is expressly waived. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_111"></A>Section&nbsp;8.17 <U>Financing Transactions Provisions</U>. Notwithstanding anything in this Agreement to the
contrary, the Company on behalf of itself and its Subsidiaries (collectively, the &#147;<U>Company Related Parties</U>&#148;): (a)&nbsp;agrees that any proceeding, whether in law or in equity, whether in contract or in tort or otherwise, involving
any of the Debt Financing Sources, arising out of or relating to, this Agreement, the Financing Transactions or any of the agreements (including the Debt Commitment Letter) entered into in connection with the Financing Transactions or any of the
transactions contemplated hereby or thereby or the performance of any services thereunder shall be subject to the exclusive jurisdiction of any federal or state court in the Borough of Manhattan, New York, New York, and any appellate court thereof
and each party hereto irrevocably submits itself and its property with respect to any such proceeding to the exclusive jurisdiction of such court; (b)&nbsp;agrees that any such proceeding shall be governed by the laws of the State of New York
(without giving effect to any conflicts of law principles that would result in the application of the laws of another state), except as otherwise provided in the Debt Commitment Letter or other applicable definitive document relating to the
Financing Transactions; (c)&nbsp;agrees not to bring or support, or permit any Company Related Party to bring or support, any proceeding of any kind or description, whether in law or in equity, whether in contract or in tort or otherwise, against
any Debt Financing Source in any way arising out of or relating to, this Agreement, the Financing Transactions, the Debt Commitment Letter or any of the transactions contemplated hereby or thereby or the performance of any services thereunder in any
forum other than any federal or state court in the Borough of Manhattan, New York, New York; (d)&nbsp;agrees that service of process upon any Company Related Party in any such proceeding shall be effective if notice is given in accordance with
Section&nbsp;8.2; (e)&nbsp;irrevocably waives, to the fullest extent that it may effectively do so, the defense of an inconvenient forum to the maintenance of such proceeding in any such court; (f)&nbsp;knowingly, intentionally and voluntarily
waives to the fullest extent permitted by applicable Law trial by jury in any proceeding brought against any Debt Financing Source in any way arising out of or relating to, this Agreement, the Financing Transactions, the Debt Commitment Letter or
any of the transactions contemplated hereby or thereby or the performance of any services thereunder; and (g)&nbsp;agrees that none of the Debt Financing Sources will have any liability to the Company or any other Company Related Party relating to
or arising out of this Agreement, the Financing Transactions, the Debt Commitment Letter or any of the transactions contemplated hereby or thereby or the performance of any services thereunder, whether in law or in equity, whether in contract or in
tort or otherwise. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><A NAME="annxarom338793_112"></A>Section&nbsp;8.18 <U><FONT STYLE="white-space:nowrap">Non-Recourse</FONT></U>. Each
party hereto agrees, on behalf of itself and its former, current and future holders of any equity, controlling persons, directors, officers, employees, agents, attorneys, controlled Affiliates, members, managers, general or limited partners,
stockholders and assignees of it and its controlled Affiliates, that all Action, claims, obligations, liabilities, or causes of action (whether in contract or in tort, in law or in equity or otherwise, or granted by statute or otherwise, whether by
or through attempted piercing of the corporate, limited partnership, limited liability company or other entity veil or any other theory or doctrine, including alter ego or otherwise) that may be based upon, in respect of, arise under, out or by
reason of, be connected with, or relate in any manner to: (a)&nbsp;this Agreement or any other agreement referenced herein or contemplated hereby or the transactions contemplated hereunder or thereunder (including the Financing Transactions),
(b)&nbsp;the negotiation, execution or performance of this Agreement or any other agreement referenced herein or contemplated hereby (including any representation or warranty made in, in connection with, or as an inducement to, this Agreement or
such other agreement), and (c)&nbsp;any breach or violation of this Agreement or any other agreement referenced herein or contemplated hereby, in each case, may be made only against (and are those solely of) the Persons that are expressly identified
as parties in the preamble to this Agreement (or any other agreement referenced herein or contemplated hereby, as applicable) and in accordance with, and subject to the terms of, this Agreement (or any other agreement referenced herein or
contemplated hereby, in each case as applicable). </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><I>[The remainder of this page&nbsp;is intentionally left blank.] </I></P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">A-71 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">IN WITNESS WHEREOF, the parties have caused this Agreement to be executed as of the date
first written above by their respective officers thereunto duly authorized. </P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><DIV ALIGN="right">
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="40%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt">


<TR>

<TD WIDTH="12%"></TD>

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<TD WIDTH="87%"></TD></TR>


<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" COLSPAN="3">MASTEC,&nbsp;INC.</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16"></TD>
<TD HEIGHT="16" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">By:</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top"> <P STYLE="margin-top:0pt; margin-bottom:1pt; border-bottom:1px solid #000000; font-size:10pt; font-family:Times New Roman">/s/ George L. Pita</P></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">Name:</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top">George L. Pita</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">Title:</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top">Executive Vice President and Chief Financial Officer</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16" COLSPAN="3"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" COLSPAN="3">INDIGO ACQUISITION I CORP.</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16"></TD>
<TD HEIGHT="16" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">By:</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top"> <P STYLE="margin-top:0pt; margin-bottom:1pt; border-bottom:1px solid #000000; font-size:10pt; font-family:Times New Roman">/s/ Robert Apple</P></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">Name:</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top">Robert Apple</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">Title:</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top">President</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16" COLSPAN="3"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" COLSPAN="3">INFRASTRUCTURE AND ENERGY ALTERNATIVES,&nbsp;INC.</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16"></TD>
<TD HEIGHT="16" COLSPAN="2"></TD></TR>
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<TD VALIGN="top">By:</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top"> <P STYLE="margin-top:0pt; margin-bottom:1pt; border-bottom:1px solid #000000; font-size:10pt; font-family:Times New Roman">/s/ John Paul Roehm</P></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">Name:</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top">John Paul Roehm</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">Title:</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top">President and Chief Executive Officer</TD></TR>
</TABLE></DIV> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">Signature Page&nbsp;to Agreement and Plan of Merger </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">A-72 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="right"><B><A NAME="annxb"></A>ANNEX B </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="right">Execution Version </P> <P STYLE="margin-top:24pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>VOTING AND
SUPPORT AGREEMENT </B></P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">This VOTING AND SUPPORT AGREEMENT<B> </B>(this &#147;<U>Agreement</U>&#148;) dated as of July&nbsp;24, 2022, is
entered into by and among MasTec, Inc., a Florida corporation (&#147;<U>Parent</U>&#148;) and the undersigned stockholders (each, a &#147;<U>Stockholder</U>&#148; and collectively, the &#147;<U>Stockholders</U>&#148;) of Infrastructure and Energy
Alternatives, Inc., a Delaware corporation (the &#147;<U>Company</U>&#148;). Parent, the Company and the Stockholders shall each be referred to in this Agreement as a &#147;<U>Party</U>&#148; and collectively as the &#147;<U>Parties</U>&#148;. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">WHEREAS, concurrently with the execution of this Agreement, the board of directors of the Company (the &#147;<U>Company Board</U>&#148;)
unanimously (a)&nbsp;determined that the terms of the Merger Agreement (as defined below) and the transactions contemplated by the Merger Agreement, including the Merger, are fair to, and in the best interests of, the Company and its stockholders,
(b)&nbsp;determined that it is in the best interests of the Company and its stockholders, and declared it advisable, to enter into the Merger Agreement, (c)&nbsp;approved the execution and delivery by the Company of the Merger Agreement, the
performance by the Company of its covenants and agreements contained in the Merger Agreement and the consummation of the Merger and the other transactions contemplated by the Merger Agreement upon the terms and subject to the conditions contained in
the Merger Agreement and (d)&nbsp;subject to the terms and conditions of the Merger Agreement, resolved to recommend that the Company&#146;s stockholders vote to adopt the Merger Agreement; </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">WHEREAS, concurrently with the execution of this Agreement, the Company, Parent, and Indigo Acquisition I Corp., a Delaware corporation and a
wholly owned subsidiary of Parent (&#147;<U>Merger Sub</U>&#148;), entered into an Agreement and Plan of Merger, dated as of the date of this Agreement (as the same may be amended or supplemented, the &#147;<U>Merger Agreement</U>&#148;); </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">WHEREAS, capitalized terms used but not defined in this Agreement have the meanings given to them in the Merger Agreement; </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">WHEREAS, as of the date of this Agreement, each Stockholder is the beneficial owner of the number of shares of common stock, par value $0.0001
per share, of the Company (&#147;<U>Shares</U>&#148;) and the Company Warrants, as set forth opposite such Stockholder&#146;s name on <U>Exhibits <FONT STYLE="white-space:nowrap">A-1</FONT></U> and <U><FONT STYLE="white-space:nowrap">A-2</FONT></U>,
respectively (such Shares, together with any other Shares such Stockholder may acquire beneficial ownership of after the date of this Agreement (including any Shares acquired through the vesting or exercise of Company Warrants or otherwise), being
collectively referred to in this Agreement as the &#147;<U>Stockholder Shares</U>&#148;); </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">WHEREAS, the Stockholders and the Company are
parties to, among other things, a Stockholders&#146; Agreement, dated as of August&nbsp;2, 2021 (the &#147;<U>Stockholders&#146; Agreement</U>&#148;), with respect to the Stockholders&#146; ownership of its Shares and Company Warrants; </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">WHEREAS, prior to the execution of this Agreement, the Company Board has consented in writing to the execution and delivery by the
Stockholders of this Agreement and the performance by the Stockholders of their respective obligations under this Agreement; and </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">WHEREAS,
as a condition to the willingness of Parent to enter into the Merger Agreement, Parent has required Stockholders to enter into this Agreement, and each Stockholder has agreed and is willing to enter into this Agreement. </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">B-1 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">NOW, THEREFORE, in consideration of the foregoing and the mutual covenants and agreements
contained in this Agreement, the Parties, intending to be legally bound, agree as follows: </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">1. <U>Agreements of Stockholders</U>. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(a) <U>Voting</U>. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:9%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(i) From the date of this Agreement until the Agreement Termination Date, at any meeting of the stockholders of the Company
however called (or any action by written consent in lieu of a meeting) or any adjournment or postponement of such meeting, each Stockholder shall, subject to Section&nbsp;5, vote (or cause to be voted) all Stockholder Shares beneficially owned by
such Stockholder as of the applicable record date or (as appropriate) execute written consents in respect of such Stockholder Shares, (i)&nbsp;in favor of the Merger, the Merger Agreement (to the extent required), and the transactions contemplated
by the Merger Agreement and any other actions presented at any meeting of the stockholders of the Company (or any action by written consent in lieu of a meeting) that are necessary to consummate the transactions contemplated by the Merger Agreement;
and (ii)&nbsp;against any Alternative Acquisition Agreement and any other action or agreement (including, without limitation, any amendment of any agreement), amendment of the Company&#146;s organizational documents or other action that would
reasonably be expected to prevent or materially delay the consummation of the transactions contemplated by the Merger Agreement, including the Merger. Each Stockholder agrees to cast or cause to be cast any such vote (or give or cause to be given
any consent) in accordance with such procedures relating to such vote (or consent) so as to ensure that it is duly counted, including for purposes of determining that a quorum is present and for purposes of recording the results of such vote (or
consent). </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:9%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(ii) Notwithstanding anything in clause (a)(i) above, in the event the Company Board makes an Adverse
Recommendation Change in compliance with the Merger Agreement, the obligations of each Stockholder with respect to the Stockholder Shares held by such Stockholder under this Agreement shall be modified such that such obligations shall only bind such
Stockholder with respect to a number of Stockholder Shares held by such Stockholder equal to the number of Stockholder Shares that would, together with (A)&nbsp;the Stockholder Shares held by the other Stockholder subject to such obligations under
this Agreement, and (B)&nbsp;any Shares or other shares of capital stock or other voting securities of the Company, and securities or interests of the Company convertible into or exchangeable for shares of capital stock or voting securities of the
Company, held by any other Person that are subject to similar obligations pursuant to the other voting agreements entered into with Parent on the date hereof, in the aggregate represent 29% of the total voting power of the outstanding Shares
entitled to vote on the adoption of the Merger Agreement as of the applicable record date (rounded down to the nearest whole share). Any reduction in the number of Stockholder Shares of a Stockholder subject to the obligations of such Stockholder
under this Agreement pursuant to the foregoing sentence shall be made on a pro rata basis in proportion to the respective voting power of each Stockholder and, if applicable, any other relevant Person as of the applicable record date (in each case
rounded down to the nearest whole share). </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:9%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(iii) For the avoidance of doubt, nothing in this Section&nbsp;1(a) shall
constitute an agreement between or among any Persons other than each Stockholder, on the one hand, and Parent, on the other hand, and no stockholder or other security holder of the Company or any other Person (other than the Parties) shall have any
right, remedy or claim under or in respect of this Section&nbsp;1(a). </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(b) <U>Restriction on Transfer; Proxies; <FONT
STYLE="white-space:nowrap">Non-Interference;</FONT> etc</U>. From the execution of this Agreement until the Agreement Termination Date, no Stockholder shall directly or indirectly: (i)&nbsp;sell, transfer, give, assign or otherwise dispose of
(collectively, &#147;<U>Transfer</U>&#148;), or enter into any contract, option or other arrangement or understanding with respect to the Transfer of, any Stockholder Shares (or any right, title or interest to or in any Stockholder Shares, or any
Company Warrants, other than the conversion of any Company Warrant); (ii) deposit any Stockholder Shares into a voting trust or grant any proxies or enter into a voting agreement, </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">B-2 </P>

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power of attorney or voting trust with respect to any Stockholder Shares; or (iii)&nbsp;agree (whether or not in writing) to take any of the actions referred to in the foregoing clauses
(i)&nbsp;or (ii) of this Section&nbsp;1(b). Notwithstanding the foregoing, this Agreement shall not restrict Transfers of any or all of the Stockholder Shares or Company Warrants (i)&nbsp;in the case of a Stockholder who is an individual (x)&nbsp;to
any member of Stockholder&#146;s immediate family, or to a trust for the benefit of Stockholder or any member of Stockholder&#146;s immediate family, in each case for the purposes of estate planning, or (y)&nbsp;upon the death of Stockholder, to any
member of Stockholder&#146;s immediate family, or to a trust for the benefit of any member of Stockholder&#146;s immediate family, so long as, in each case, prior to and as a condition to the effectiveness of such Transfer, the transferee shall have
executed and delivered to the Company a counterpart of this Agreement pursuant to which such transferee shall be bound by all of the terms and provisions of this Agreement or (ii)&nbsp;in the case of any Stockholder, to any of its Affiliates
(including any other Stockholder) that, prior to and as a condition to the effectiveness of such Transfer, shall have executed and delivered to the Company a counterpart of this Agreement pursuant to which such Affiliate shall be bound by all of the
terms and provisions of this Agreement. In the event of any such transfer, <U>Exhibit <FONT STYLE="white-space:nowrap">A-1</FONT></U> or <U><FONT STYLE="white-space:nowrap">A-2</FONT></U>, as applicable, shall be updated accordingly. Each
Stockholder and its Affiliates may also enter into any contract, agreement or arrangement, or mortgage, pledge or encumber any or all of the Stockholder Shares or Company Warrants, in each case in connection with any <I>bona fide</I> lending
transaction or arrangement (a &#147;<U>Permitted Transaction</U>&#148;) if such Stockholder or Affiliate retains the right to vote or consent to, or cause to be voted or consented to, all such Stockholder Shares or Company Warrants as provided in
Section&nbsp;1(a) during the term of such Permitted Transaction. The Parties acknowledge and agree that nothing in this Agreement shall restrict enforcement or the exercise of any remedies (including a foreclosure) with respect to any such Permitted
Transaction. Any Transfer in violation of the foregoing shall be null and void ab initio. </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(c) <U>Information for Proxy
Statement; Publication</U>. </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:9%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(i) Each Stockholder consents to the Company, Parent and Merger Sub publishing and disclosing
in any filing required under applicable Law, including the filings contemplated by the Merger Agreement, Stockholder&#146;s identity and ownership of Shares and Company Warrants and the nature of Stockholder&#146;s commitments, arrangements and
understandings under this Agreement, in each case, to the extent required by applicable Law. Each Stockholder agrees to permit the Company, Parent and Merger Sub to publish and disclose in the Proxy Statement or any other disclosure document
required in connection with the Merger Agreement or the transactions contemplated by the Merger Agreement the Stockholder&#146;s identity and beneficial ownership of the Shares and the nature of the Stockholder&#146;s commitments under this
Agreement, in each case to the extent required by applicable Law. Notwithstanding the foregoing, any such publication or disclosure, including in the Proxy Statement or any other filing to or submission with the SEC or any other Governmental Entity
(including, without limitation, Form <FONT STYLE="white-space:nowrap">8-K),</FONT> described in this Section&nbsp;1(c)(i) shall, in each instance, be subject to such Stockholder&#146;s prior review and comment. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:9%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(ii) Except as required by applicable Law, each Stockholder shall not, and shall direct its Affiliates not to, issue any press
release or make any other public statement with respect to this Agreement, the Merger Agreement or the transactions contemplated by the Merger Agreement without the prior written consent of Parent (not to be unreasonably withheld, conditioned or
delayed). </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(d) <U>Waiver of Appraisal Rights</U>. Each Stockholder irrevocably and unconditionally waives, and agrees not
to exercise, all appraisal rights under Section&nbsp;262 of the DGCL (and any other appraisal, dissenters&#146; or similar rights) related to the transactions contemplated by the Merger Agreement with respect to the Stockholder Shares to the fullest
extent permitted by Law. </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(e) <U>No Solicitation of Transactions</U>. Except to the same extent that the Company, the
Company Board or any of their Representatives is permitted to engage in, or take, any of the following activities pursuant to Section&nbsp;5.4 of the Merger Agreement, each Stockholder (in its, his or her capacity as a stockholder) shall not, and
shall direct its Affiliates and its and its Affiliates&#146; Representatives not to, directly or indirectly: (i)&nbsp;initiate, solicit or knowingly encourage (including by providing information) any inquiries, proposals or offers with respect to,
or the making or completion of, an Acquisition Proposal or the making of any </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">B-3 </P>

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proposal that would reasonably be expected to lead to an Acquisition Proposal; (ii)&nbsp;furnish any nonpublic information regarding the Company or any of its Subsidiaries or afford access to the
business, properties, assets, employees, consultants, books or records of the Company or any of its Subsidiaries to any Person that, to the knowledge of such Stockholder, is reasonably expected to make, or is otherwise seeking to make, or has made,
an Acquisition Proposal; or (iii)&nbsp;engage or participate in any negotiations or discussions concerning, or knowingly provide or cause to be provided any <FONT STYLE="white-space:nowrap">non-public</FONT> information or data relating to the
Company or any of its Subsidiaries in connection with, an Acquisition Proposal. Notwithstanding anything in this Section&nbsp;1(c) to the contrary, at and subject to the direction of the Company Board, Stockholder may participate in discussions and
negotiations with, and furnish information and data to, any Person with whom the Company Board has determined to engage in discussions and negotiations, and with whom the Company Board is then engaging in discussions and negotiations, in each case
pursuant to and in compliance with Section&nbsp;5.4 of the Merger Agreement. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">2. <U>Representations and Warranties of Stockholders</U>.
Each Stockholder represents and warrants to Parent as follows: </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(a) <U>Authority</U>. Such Stockholder has all necessary
power and authority to execute and deliver this Agreement and to perform its obligations under this Agreement. This Agreement has been duly executed and delivered by such Stockholder. Assuming due and valid authorization, the execution and delivery
of this Agreement by Parent, constitutes a legal, valid and binding obligation of such Stockholder, enforceable against Stockholder in accordance with its terms (except to the extent that enforceability may be limited by applicable bankruptcy,
insolvency, moratorium, reorganization or similar Laws affecting the enforcement of creditors&#146; rights generally or by general principles of equity). </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(b) <U>Consents and Approvals; No Violations</U>. Other than such filings as, if not made, obtained or given, would not
reasonably be expected to prevent or materially delay the performance by such Stockholder of any of its obligations under this Agreement: (i)&nbsp;no consent, approval, authorization or permit of, action by, or filing by such Stockholder with or
notification by such Stockholder to, any Governmental Entity or any other Person is required in connection with the execution, delivery and performance of this Agreement by such Stockholder; and (ii)&nbsp;no consents, registrations, approvals,
permits or authorizations are required to be obtained by such Stockholder from any Governmental Entity or any other Person in connection with the execution, delivery and performance of this Agreement by such Stockholder, except in the case of both
clause (i)&nbsp;and (ii) as may be required under applicable securities Laws and for the written consent of the Company Board to the execution and delivery by the Stockholders of this Agreement and the performance by the Stockholders of their
respective obligations under this Agreement, including for purposes of Article II of the Stockholders&#146; Agreement, received by the Stockholders on or before the date of this Agreement (the &#147;<U>Company Board Consent</U>&#148;). Assuming the
accuracy of the representations and warranties of the Company set forth in the Merger Agreement, the execution, delivery and performance of this Agreement by such Stockholder does not, and the consummation by such Stockholder of the transactions
contemplated by this Agreement will not, result in a violation or breach of, or constitute (with or without due notice or lapse of time or both) a default (or give rise to any right of termination, cancellation, modification or acceleration)
(whether after the giving of notice or the passage of time or both) under any contract, agreement, arrangement or commitment to which such Stockholder is a party or which is binding on it or its assets, and will not result in the creation of any
Lien on any of the assets or properties of such Stockholder (other than the Stockholder Shares pursuant to the terms of this Agreement), except for such violations, breaches, defaults, terminations, cancellations, modifications, accelerations or
Liens as would not reasonably be expected to prevent or materially delay the performance by such Stockholder of any of its obligations under this Agreement. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(c) <U>Organization, Standing and Power</U>. (i)&nbsp;the Stockholder is duly organized, validly existing and in good standing
in accordance with the Laws of its jurisdiction of organization, as applicable; and (ii)&nbsp;the execution and delivery of this Agreement by the Stockholder, the performance of the Stockholder&#146;s obligations under this Agreement, and the
consummation of the transactions contemplated by this </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">B-4 </P>

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Agreement have been duly authorized by all necessary action on the part of the Stockholder. No other consents or authorizations on the part of the Stockholder are necessary to authorize this
Agreement or to consummate the transactions contemplated by this Agreement. </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(d) <U>Ownership of Stockholder Shares; Claims
Against the Company</U>. As of the date of this Agreement, such Stockholder owns, beneficially, all of the Stockholder Shares and Company Warrants set forth opposite such Stockholder&#146;s name on <U>Exhibits
<FONT STYLE="white-space:nowrap">A-1</FONT></U> and <U><FONT STYLE="white-space:nowrap">A-2</FONT></U>, respectively, free and clear of any proxy, voting restriction, adverse claim or other Lien (other than: (i)&nbsp;under this Agreement;
(ii)&nbsp;under the applicable securities Laws; (iii)&nbsp;as set forth on <U>Exhibit <FONT STYLE="white-space:nowrap">A-1</FONT></U> or <U><FONT STYLE="white-space:nowrap">A-2</FONT></U>; (iv) under the Stockholders&#146; Agreement; or (vi)&nbsp;as
would not reasonably be expected to prevent or materially delay the performance by such Stockholder of any of its obligations under this Agreement). Without limiting the foregoing, as of the date of this Agreement, except as set forth on <U>Exhibit <FONT
STYLE="white-space:nowrap">A-1</FONT></U> or <U><FONT STYLE="white-space:nowrap">A-2</FONT></U>, in the Stockholders&#146; Agreement, or in any Schedule 13D (or any amendment to any Schedule 13D) filed with the SEC by or on behalf of any Stockholder
or any of their Affiliates on or before the date of this Agreement, such Stockholder has sole voting power and sole power of disposition with respect to all Stockholder Shares set forth opposite such Stockholder&#146;s name on <U>Exhibit <FONT
STYLE="white-space:nowrap">A-1</FONT></U>, with no restrictions on such Stockholder&#146;s rights of voting or disposition pertaining to such Stockholder Shares. As of the date of, and other than pursuant to, this Agreement, no Person other than
such Stockholder has any right to direct or approve the voting or disposition of any Stockholder Shares of such Stockholder. As of the date of this Agreement, none of such Stockholder or, to the knowledge of such Stockholder, any of its Affiliates
owns, beneficially or of record, any securities of the Company other than the Stockholder Shares and Company Warrants set forth on <U>Exhibit <FONT STYLE="white-space:nowrap">A-1</FONT></U> and <U><FONT STYLE="white-space:nowrap">A-2</FONT></U>,
respectively, and Company Equity Awards (or Shares issued in lieu of Company Equity Awards). Except as set forth on <U>Exhibit <FONT STYLE="white-space:nowrap">A-1</FONT></U> or <U><FONT STYLE="white-space:nowrap">A-2</FONT></U>, as of the date of
this Agreement such Stockholder holds no (1)&nbsp;shares of capital stock or other voting securities of the Company, (2)&nbsp;securities or interests of the Company or any of its Subsidiaries convertible into or exchangeable for shares of capital
stock or voting securities of the Company or any of its Subsidiaries, (3)&nbsp;options, warrants or other rights to acquire from the Company or any of its Subsidiaries any capital stock, voting securities or securities or interests convertible into
or exchangeable for capital stock or voting securities of the Company or any of its Subsidiaries, (4)&nbsp;options, calls, warrants or other rights, agreements, arrangements or commitments of any character relating to capital stock of the Company or
any of its Subsidiaries to which the Company or any of its Subsidiaries is a party or is bound, or (5)&nbsp;restricted shares, restricted stock units, stock appreciation rights, performance shares, profit participation rights, contingent value
rights, stock appreciation, phantom stock, profit participation or similar rights with respect to the securities of the Company or any of its Subsidiaries to which the Company or any of its Subsidiaries is a party or is bound. As of the date of this
Agreement, to the knowledge of such Stockholder, neither the Company nor any of its Subsidiaries is in breach of any agreement to which such Stockholder is a party that would give rise to any claim, cause of action, demand, suit, debt or lien
against the Company or any of its Subsidiaries. </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(e) <U>Brokers</U>. Except as set forth in the Merger Agreement, no
broker, investment banker, financial advisor or other Person is entitled to any broker&#146;s, finder&#146;s, financial advisor&#146;s or other similar fee or commission that is payable by the Company or any of its Subsidiaries in connection with
the transactions contemplated by the Merger Agreement based upon arrangements made by or on behalf of such Stockholder or any of its Affiliates. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">3. <U>Representations and Warranties of Parent</U>. Parent represents and warrants to each Stockholder as follows: </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(a) <U>Authority</U>. Parent has all necessary power and authority to execute and deliver this Agreement and to perform its
obligations under this Agreement. This Agreement has been duly executed and delivered by Parent. Assuming due and valid authorization, execution and delivery of this Agreement by each Stockholder, this Agreement constitutes a legal, valid and
binding obligation of Parent, enforceable against Parent in accordance with its terms (except to the extent that enforceability may be limited by applicable bankruptcy, insolvency, moratorium, reorganization or similar Laws affecting the enforcement
of creditors&#146; rights generally or by general principles of equity). </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">B-5 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(b) <U>Consents and Approvals; No Violations</U>. Other than such filings
as, if not made, obtained or given, would not reasonably be expected to prevent or materially delay the performance by Parent of any of its obligations under this Agreement, (i)&nbsp;no consent, approval, authorization or permit of, action by, or
filing by Parent with or notification by Parent to, any Governmental Entity or any other Person is required in connection with the execution, delivery and performance of this Agreement by Parent; and (ii)&nbsp;no consents, registrations, approvals,
permits or authorizations are required to be obtained by Parent from any Governmental Entity or any other Person in connection with the execution, delivery and performance of this Agreement by Parent. The execution, delivery and performance of this
Agreement by Parent does not, and the consummation by Parent of the transactions contemplated by this Agreement will not, result in a violation or breach of, or constitute (with or without due notice or lapse of time or both) a default (or give rise
to any right of termination, cancellation, modification or acceleration) (whether after the giving of notice or the passage of time or both) under any contract, agreement, arrangement or commitment to which Parent is a party or which is binding on
it or its assets and will not result in the creation of any Lien on any of the assets or properties of Parent, except for such violations, breaches, defaults, terminations, cancellations, modifications, accelerations or Liens as would not reasonably
be expected to prevent or materially delay the performance by Parent of any of its obligations under this Agreement. </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(c)
<U>Organization, Standing and Power</U>. Parent is duly organized, validly existing and in good standing in accordance with the Laws of the State of Florida. The execution and delivery of this Agreement by Parent, the performance of Parent&#146;s
obligations under this Agreement, and the consummation of the transactions contemplated by this Agreement have been duly authorized by all necessary action on the part of Parent and no other consents or authorizations on the part of Parent are
necessary to authorize this Agreement or to consummate the transactions contemplated by this Agreement. </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(d) <U>No Other
Representations</U>. On behalf of itself, its Subsidiaries, their respective Affiliates, and the Representatives of each of the foregoing, Parent acknowledges and agrees that, except for the representations and warranties of the Stockholder
expressly set forth in Section&nbsp;2 of this Agreement, none of the Stockholders or their Affiliates or Representatives have made, and none of Parent, its Subsidiaries, any of their respective Affiliates or any Representative of any of the
foregoing has relied on, any representation or warranty made by or on behalf of any of the Stockholders or any of their Affiliates regarding any Stockholder, the Company, its business, the sufficiency of the representations and warranties set forth
in this Agreement or in the Merger Agreement or any other matter in connection the entry by Parent and its Subsidiaries into this Agreement, the Merger Agreement and the other agreements contemplated by this Agreement and the Merger Agreement and
their respective agreements to consummate the transactions contemplated by this Agreement and the Merger Agreement. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">4.
<U>Termination</U>. This Agreement shall terminate, and no party to this Agreement will have any further obligation to the other parties to this Agreement upon the first to occur of: (a)&nbsp;the valid termination of the Merger Agreement in
accordance with its terms (&#147;Merger Agreement Termination&#148;); (b) the Effective Time; or (c)&nbsp;any modification, waiver or amendment to any provision of the Merger Agreement that is effected without the Stockholders&#146; prior written
consent and that (x)&nbsp;reduces the amount or changes the form or type of the Merger Consideration, reduces, or imposes any conditions, requirements or restrictions on, a Stockholder&#146;s right to receive the consideration payable to such
Stockholder, or that materially delays the timing of any such payment, in each case, pursuant to the Merger Agreement as in effect on the date of this Agreement, or (y)&nbsp;otherwise adversely affects the interests of a Stockholder in any material
respect (such earliest date being referred to in this Agreement as the &#147;<U>Agreement Termination Date</U>&#148;). Nothing in this Agreement shall (A)&nbsp;relieve a Stockholder from liability for any Willful Breach of this Agreement occurring
prior to such termination or (B)&nbsp;restrict or prohibit Parent, its Representatives or Affiliates from asserting, in any action or proceeding brought or claims asserted by such Stockholder relating to this Agreement or the transactions
contemplated hereby, any defenses arising from any inaccuracy in any of such Stockholder&#146;s representations in Section 2(d). In addition, the provisions of this Section&nbsp;4, Section&nbsp;6, and Section&nbsp;8 of this Agreement shall survive
any termination of this Agreement. </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">B-6 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">5. <U>No Obligation to Exercise</U>. No provision of this Agreement shall require any
Stockholder, any of their Affiliates, or any Representatives of any of the foregoing to exercise any <FONT STYLE="white-space:nowrap">Pre-Funded</FONT> Warrants, Anti-Dilution Warrants, other Company Warrants or any other option, warrant,
convertible security or other security or contractual right convertible into Shares. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">6. <U>No Legal Action</U>. Each Stockholder shall
not bring, commence, institute, maintain or prosecute any claim, appeal, or proceeding which (a)&nbsp;challenges the validity of or seeks to enjoin the operation of any provision of this Agreement or (b)&nbsp;alleges that the execution and delivery
of this Agreement by the Stockholders (or their performance under this Agreement solely in the capacity as a stockholder of the Company) breaches any fiduciary duty of the Company Board (or any member of the Company Board) or any duty that any
Stockholder has (or may be alleged to have) to the Company or to the other holders of Shares. Notwithstanding the foregoing, nothing in this Section&nbsp;6 shall restrict or prohibit the Stockholders, their Representatives or their Affiliates from
participating as a defendant, or asserting counterclaims or defenses, in any action or proceeding brought or claims asserted against any Stockholder or any of its Representatives or Affiliates relating to this Agreement, the Merger Agreement or the
transactions contemplated by this Agreement or the Merger Agreement, or from enforcing their respective rights under this Agreement or the Merger Agreement. Parent shall not, directly or indirectly, assert any claim that any action taken by any
Stockholder or any of their Representatives or Affiliates breaches any fiduciary duty of the Company Board (or any member of the Company Board) or any duty that such Stockholder has (or may be alleged to have) to the Company or to the other holders
of Shares. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">7. <U>Miscellaneous</U>. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(a) <U>Action in Stockholder Capacity Only</U>. The parties acknowledge that this Agreement is entered into by each Stockholder
solely in its capacity as a direct or indirect owner of the Stockholder Shares and Company Warrants. Nothing in this Agreement shall in any way restrict or limit the ability of such Stockholder or any Affiliate of such Stockholder who is a director
of the Company from taking any action in his capacity as a director of the Company, including the exercise of fiduciary duties to the Company and its Stockholders. Nothing in this Agreement shall restrict or limit the Company from taking any actions
that are otherwise permitted by the Merger Agreement, including with respect to a Superior Proposal. </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(b) <U>Expenses</U>.
Except as otherwise expressly provided in this Agreement, all costs and expenses incurred in connection with the transactions contemplated by this Agreement shall be paid by the party incurring such costs and expenses. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(c) <U>Definitions and Interpretation</U>. For purposes of this Agreement: </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:9%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(i) None of the Stockholders or any of their respective Affiliates or Affiliated Funds shall be deemed to be an
&#147;Affiliate&#148; of the Company or any of its direct and indirect Subsidiaries. No &#147;portfolio company&#148; (as such term is customarily used in the private equity industry) of any Affiliated Fund of any Stockholder shall be deemed to be
an Affiliate of such Stockholder unless such &#147;portfolio company&#148; is a Controlled Affiliate; </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:9%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(ii)
&#147;Affiliated Fund&#148; in relation to each Stockholder shall mean any investment fund, vehicle or account the investment advisor to or manager of which is such Stockholder&#146;s investment advisor or manager or an Affiliate thereof; </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:9%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(iii) &#147;beneficial ownership&#148; with respect to (or to &#147;own beneficially&#148;) any securities shall mean having
&#147;beneficial ownership&#148; of such securities (as determined pursuant to Rule <FONT STYLE="white-space:nowrap">13d-3</FONT> under the Exchange Act), including pursuant to any agreement, arrangement or understanding, whether or not in writing,
without regard to the <FONT STYLE="white-space:nowrap">60-day</FONT> limitation in Rule <FONT STYLE="white-space:nowrap">13d-3(d)(1)(i);</FONT> and </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:9%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(iv) &#147;Controlled Affiliate&#148; with respect to each of the Stockholders shall mean the other Stockholder, any other
Person that, directly or indirectly, controls or is controlled by or is under common control with such Stockholder, where such control includes, directly or indirectly, either: (i)&nbsp;an amount of the voting securities, other voting ownership or
voting partnership interests of which is </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">B-7 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:9%; font-size:10pt; font-family:Times New Roman">
sufficient to elect at least a majority of its board of directors or other governing Person or body; or (ii)&nbsp;more than fifty (50%) percent of the equity interests of which is owned directly
or indirectly by such first Person. </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(d) <U>Entire Agreement; No Third Party Beneficiaries</U>. This Agreement, the Merger
Agreement and each of the documents, instruments and agreements delivered in connection with the transactions contemplated by the Merger Agreement constitute the entire agreement, and supersedes all prior agreements and understandings, both written
and oral, among the parties, or any of them, with respect to the subject matter of this Agreement. This Agreement is not intended to and shall not confer upon any Person other than the parties to this Agreement any rights under this Agreement. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(e) <U>Assignment; Binding Effect</U>. Except as otherwise specifically provided in this Agreement, neither this Agreement nor
any of the rights, interests or obligations under this Agreement shall be assigned by any of the parties to this Agreement without the prior written consent of the other parties. Subject to the preceding sentence, this Agreement shall be binding
upon and shall inure to the benefit of the parties to this Agreement and their respective successors and permitted assigns. Any purported assignment not permitted under this Section&nbsp;8 shall be null and void. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(f) <U>Amendments; Waiver</U>. This Agreement may not be amended or supplemented, except by a written agreement executed by the
Stockholders and Parent. No failure or delay by a party in exercising any right under this Agreement shall operate as a waiver of such right nor shall any single or partial exercise of such right preclude any other or further exercise of such right
or the exercise of any other right under this Agreement. Any agreement on the part of a party to this Agreement to any such extension or waiver shall be valid only if set forth in an instrument in writing signed on behalf of such party. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(g) <U>Severability</U>. If any term or other provision of this Agreement is determined by a court of competent jurisdiction to
be invalid, illegal or incapable of being enforced by any rule of applicable Law or public policy, all other terms, provisions and conditions of this Agreement shall nevertheless remain in full force and effect. Upon such determination that any term
or other provision is invalid, illegal or incapable of being enforced, the parties to this Agreement shall negotiate in good faith to modify this Agreement so as to effect the original intent of the parties as closely as possible to the fullest
extent permitted by applicable Law in an acceptable manner to the end that the transactions contemplated by this Agreement are fulfilled to the extent possible. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(h) <U>Counterparts</U>. This Agreement may be executed in two or more separate counterparts, each of which shall be deemed to
be an original but all of which taken together shall constitute one and the same agreement. This Agreement shall become effective when each party to this Agreement shall have received counterparts of this Agreement signed by the other parties to
this Agreement. </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(i) <U>Descriptive Headings</U>. Headings of sections and subsections of this Agreement are for
convenience of the parties only, and shall be given no substantive or interpretive effect whatsoever. </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(j) <U>Notices</U>.
All notices and other communications among the parties to this Agreement shall be in writing and shall be deemed to have been duly given (a)&nbsp;when delivered in person, (b)&nbsp;when delivered after posting in the United States mail having been
sent registered or certified mail return receipt requested, postage prepaid, (c)&nbsp;when delivered by FedEx or other nationally recognized overnight delivery service or (d)&nbsp;when delivered by facsimile (solely if receipt is confirmed) or email
(so long as the sender of such email does not receive an automatic reply from the recipient&#146;s email server indicating that the recipient did not receive such email), addressed as follows: </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman">if to Parent, to: </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">MasTec, Inc. </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">800 S. Douglas Road, 12th Floor </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">Coral Gables, Florida 33134 </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">Attention: Alberto de Cardenas </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman"><FONT STYLE="white-space:nowrap">E-mail:</FONT> albert.cardenas@mastec.com </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">B-8 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">with a copy (which shall not constitute notice) to: </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">Fried, Frank, Harris, Shriver&nbsp;&amp; Jacobson LLP </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">One New York Plaza </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">New York, NY 10004 </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">Attention: Philip Richter; Maxwell Yim </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman"><FONT STYLE="white-space:nowrap">E-mail:</FONT> philip.richter@friedfrank.com </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; maxwell.yim@friedfrank.com </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman">if to Stockholders, to: </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">c/o Ares Management LLC </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">2000 Avenue of the Stars, 12<SUP STYLE="font-size:75%; vertical-align:top">th</SUP> Floor </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">Los Angeles, CA 90067 </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">Attention: PE General Counsel; Scott Graves; Brad Friedman </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman"><FONT STYLE="white-space:nowrap">E-mail:</FONT> PEGeneralCounsel@aresmgmt.com </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">with a copy (which shall not constitute notice) to: </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">Paul, Weiss, Rifkind, Wharton&nbsp;&amp; Garrison LLP </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">1285 Avenue of the Americas </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">New York, NY 10019-6064 </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">Attention: Kenneth Schneider; Michael Vogel </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman"><FONT STYLE="white-space:nowrap">E-mail:</FONT> kschneider@paulweiss.com; mvogel@paulweiss.com </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman">or to such other address or facsimile number as the parties to this Agreement may from time to time designate in writing. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(k) <U>Drafting</U>. The parties to this Agreement have participated jointly in the negotiation and drafting of this Agreement
and, in the event an ambiguity or question of intent or interpretation arises, this Agreement shall be construed as jointly drafted by the parties to this Agreement and no presumption or burden of proof shall arise favoring or disfavoring any party
by virtue of the authorship of any provision of this Agreement. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(l) <U>Governing Law; Enforcement; Jurisdiction; Waiver
of Jury Trial</U>. </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:9%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(i) This Agreement shall be governed by, and construed in accordance with, the Laws of the State of
Delaware, regardless of the laws that might otherwise govern under any applicable principles of conflicts of laws of the Laws of the State of Delaware. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:9%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(ii) EACH OF THE PARTIES TO THIS AGREEMENT IRREVOCABLY WAIVES TO THE EXTENT PERMITTED BY APPLICABLE LAW ANY AND ALL RIGHT TO A
TRIAL BY JURY IN ANY ACTION, PROCEEDING OR COUNTERCLAIM ARISING OUT OF OR RELATING TO THIS AGREEMENT, THE MERGER AGREEMENT AND THE TRANSACTIONS CONTEMPLATED IN THE MERGER AGREEMENT (INCLUDING ANY LEGAL PROCEEDING AGAINST OR INVOLVING ANY DEBT
FINANCING SOURCES OR ANY OF THEIR RESPECTIVE AFFILIATES ARISING OUT OF THE MERGER AGREEMENT OR THE DEBT FINANCING). EACH PARTY (A)&nbsp;MAKES THIS WAIVER VOLUNTARILY; AND (B)&nbsp;ACKNOWLEDGES THAT SUCH HAS BEEN INDUCED TO ENTER INTO THIS AGREEMENT
BY, AMONG OTHER THINGS, THE MUTUAL WAIVERS CONTAINED IN THIS SECTION 7(l). </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:9%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(iii) The parties to this Agreement acknowledge
and agree that irreparable damage would occur in the event that any of the provisions of this Agreement were not performed in accordance with their specific terms or were otherwise breached, and that monetary damages, even if available, would not be
an adequate remedy therefor. It is accordingly agreed that the parties to this Agreement shall be entitled to seek an injunction or injunctions to prevent breaches of this Agreement and to enforce specifically the performance of the terms and
provisions of this Agreement in any court referred to in clause </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">B-9 </P>

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(iv)&nbsp;below, without proof of actual damages (and each party waives any requirement for the securing or posting of any bond in connection with such remedy), this being in addition to any
other remedy to which they are entitled at law or in equity. The parties to this Agreement further agree not to assert that a remedy of specific performance is unenforceable, invalid, contrary to law or inequitable for any reason, nor to assert that
remedy of monetary damages would provide an adequate remedy for any such breach. </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:9%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(iv) In addition, each of the parties to
this Agreement consents to submit itself to the personal jurisdiction of the Delaware Court of Chancery and (solely in the event the Chancery Court declines jurisdiction), any Delaware state court or any federal court located in the State of
Delaware (the &#147;<U>Chosen Courts</U>&#148;) in the event any dispute arises out of this Agreement, the Merger Agreement, or the transactions contemplated by the Merger Agreement. Each of the Parties also agrees: (i)&nbsp;that it will not attempt
to deny or defeat such personal jurisdiction by motion or other request for leave from the Chosen Courts and (ii)&nbsp;that it will not bring any action relating to this Agreement, the Merger Agreement, the transactions contemplated by the Merger
Agreement in any court other than the Chosen Courts (except for actions brought to enforce the judgment of any of the Chosen Courts). </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">[REMAINDER OF THIS PAGE INTENTIONALLY LEFT BLANK] </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">B-10 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">IN WITNESS WHEREOF, each party hereto has duly executed this Agreement as of the date first
written above. </P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><DIV ALIGN="right">
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="40%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt">


<TR>

<TD WIDTH="12%"></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="87%"></TD></TR>


<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" COLSPAN="3"><B>PARENT:</B></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16" COLSPAN="3"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" COLSPAN="3"><B>MASTEC, INC:</B></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16"></TD>
<TD HEIGHT="16" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="bottom">By</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>/s/ George L. Pita</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="bottom">Name:</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE="line-height:3.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1px solid #000000">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:10pt; font-family:Times New Roman">George L.
Pita</P></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">Title:</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>Executive President and Chief Financial Officer</TD></TR>
</TABLE></DIV> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><I>[Signature Page to Voting and Support Agreement (Ares)] </I></P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">B-11 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">IN WITNESS WHEREOF, each party hereto has duly executed this Agreement as of the date first
written above. </P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><DIV ALIGN="right">
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="40%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt">


<TR>

<TD WIDTH="12%"></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="87%"></TD></TR>


<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" COLSPAN="3"><B>STOCKHOLDERS:</B></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16" COLSPAN="3"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" COLSPAN="3"><B>ARES SPECIAL SITUATIONS FUND IV, L.P.</B></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16"></TD>
<TD HEIGHT="16" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">By:</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>ASSF Operating Manager IV, L.P., its manager</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16"></TD>
<TD HEIGHT="16" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="bottom">By:</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:10pt; font-family:Times New Roman">/s/ Christopher Kerezsi</P></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="bottom">Name:</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE="line-height:3.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1px solid #000000">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:10pt; font-family:Times New Roman">Christopher
Kerezsi</P></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">Title:</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>Authorized Signatory</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16" COLSPAN="3"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" COLSPAN="3"><B>ASOF HOLDINGS I, L.P.</B></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16"></TD>
<TD HEIGHT="16" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">By:</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>ASOF Investment Management LLC, its manager</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16"></TD>
<TD HEIGHT="16" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="bottom">By:</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:10pt; font-family:Times New Roman">/s/ Christopher Kerezsi</P></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="bottom">Name:</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE="line-height:3.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1px solid #000000">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:10pt; font-family:Times New Roman">Christopher
Kerezsi</P></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">Title:</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>Authorized Signatory</TD></TR>
</TABLE></DIV> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><I>[Signature Page to Voting and Support Agreement (Ares)] </I></P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">B-12 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><U>Exhibit <FONT STYLE="white-space:nowrap">A-1</FONT> </U></B></P>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">


<TR>

<TD WIDTH="51%"></TD>

<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD WIDTH="47%"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom" STYLE="border-bottom:1.00pt solid #000000"> <P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:8pt; font-family:Times New Roman"><B>Stockholder</B></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" STYLE="border-bottom:1.00pt solid #000000"> <P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:8pt; font-family:Times New Roman"><B>Stockholder Shares</B></P></TD></TR>


<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Ares Special Situations Fund IV, L.P.</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>3,686,645</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">ASOF Holdings I, L.P.</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>11,554,630</TD></TR>
</TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">B-13 </P>

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<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><U>Exhibit <FONT STYLE="white-space:nowrap">A-2</FONT> </U></B></P>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">


<TR>

<TD WIDTH="51%"></TD>

<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD WIDTH="47%"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom" STYLE="border-bottom:1.00pt solid #000000"> <P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:8pt; font-family:Times New Roman"><B>Stockholder</B></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" STYLE="border-bottom:1.00pt solid #000000"> <P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:8pt; font-family:Times New Roman"><B>Company Warrants</B></P></TD></TR>


<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Ares Special Situations Fund IV, L.P.</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>2,211 Anti-Dilution Warrants<SUP STYLE="font-size:75%; vertical-align:top">1</SUP></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">ASOF Holdings I, L.P.</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>4,327,322 <FONT STYLE="white-space:nowrap">Pre-Funded</FONT> Warrants</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>1,934 Anti-Dilution Warrants<SUP STYLE="font-size:75%; vertical-align:top">2</SUP></TD></TR>
</TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">The number of Anti-Dilution Warrants owned or expected to be owned by each Stockholder as set forth in this Exhibit <FONT
STYLE="white-space:nowrap">A-2</FONT> has been calculated to the knowledge of such Stockholder and assuming the accuracy of the representations and warranties of the Company set forth in Section&nbsp;3.2 of the Merger Agreement. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Securities Held by Stockholder Affiliates </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Ares
Management LLC, an Affiliate of each Stockholder, directly holds (a) 46,039 Shares underlying Company RSUs granted to Matthew Underwood, in his capacity as a director serving on the Company Board, which vested prior to the date of this Agreement,
(b) 9,251 Company RSUs granted to Matthew Underwood, in his capacity as a director serving on the Company Board, on May&nbsp;5, 2022, which are scheduled to vest on May&nbsp;5, 2023, (c) 9,251 Company RSUs granted to Scott Graves, in his capacity as
a director serving on the Company Board, on May&nbsp;5, 2022, which are scheduled to vest on May&nbsp;5, 2023, and (d) 3,149 Shares granted in lieu of Company Equity Awards to Scott Graves, in his capacity as a director serving on the Company Board,
on May&nbsp;9, 2022. No Stockholder is a beneficial owner of any of the foregoing Shares or Company Equity Awards directly held by Ares Management LLC. </P>
<P STYLE="line-height:8.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1px solid #000000;width:11%">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><SUP STYLE="font-size:75%; vertical-align:top">1</SUP>&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">336,925 Anti-Dilution Warrants are also expected to be issued to such Stockholder on or prior to the Effective
Time. </P></TD></TR></TABLE>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><SUP STYLE="font-size:75%; vertical-align:top">2</SUP>&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">294,727 Anti-Dilution Warrants are also expected to be issued to such Stockholder on or prior to the Effective
Time. </P></TD></TR></TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">B-14 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="right"><B><A NAME="annxc"></A>ANNEX&nbsp;C </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="right">Execution Version </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>VOTING AND
SUPPORT AGREEMENT </B></P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">This VOTING AND SUPPORT AGREEMENT (this &#147;<U>Agreement</U>&#148;) dated as of July 24, 2022, is entered into by
and among MasTec, Inc., a Florida corporation (&#147;<U>Parent</U>&#148;) and the undersigned stockholders (each, a &#147;<U>Stockholder</U>&#148; and collectively, the &#147;<U>Stockholders</U>&#148;) of Infrastructure and Energy Alternatives,
Inc., a Delaware corporation (the &#147;<U>Company</U>&#148;). Parent, the Company and the Stockholders shall each be referred to in this Agreement as a &#147;<U>Party</U>&#148; and collectively as the &#147;<U>Parties</U>&#148;. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">WHEREAS, concurrently with the execution of this Agreement, the board of directors of the Company (the &#147;<U>Company Board</U>&#148;)
unanimously (a)&nbsp;determined that the terms of the Merger Agreement (as defined below) and the transactions contemplated by the Merger Agreement, including the Merger, are fair to, and in the best interests of, the Company and its stockholders,
(b)&nbsp;determined that it is in the best interests of the Company and its stockholders, and declared it advisable, to enter into the Merger Agreement, (c)&nbsp;approved the execution and delivery by the Company of the Merger Agreement, the
performance by the Company of its covenants and agreements contained in the Merger Agreement and the consummation of the Merger and the other transactions contemplated by the Merger Agreement upon the terms and subject to the conditions contained in
the Merger Agreement and (d)&nbsp;subject to the terms and conditions of the Merger Agreement, resolved to recommend that the Company&#146;s stockholders vote to adopt the Merger Agreement; </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">WHEREAS, concurrently with the execution of this Agreement, the Company, Parent, and Indigo Acquisition I Corp., a Delaware corporation and a
wholly owned subsidiary of Parent (&#147;<U>Merger Sub</U>&#148;), entered into an Agreement and Plan of Merger, dated as of the date of this Agreement (as the same may be amended or supplemented, the &#147;<U>Merger Agreement</U>&#148;); </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">WHEREAS, capitalized terms used but not defined in this Agreement have the meanings given to them in the Merger Agreement; </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">WHEREAS, as of the date of this Agreement, each Stockholder is the beneficial owner of the number of shares of common stock, par value $0.0001
per share, of the Company (&#147;<U>Shares</U>&#148;) and the Company Warrants, as set forth opposite such Stockholder&#146;s name on <U>Exhibits A-1</U> and <U>A-2</U>, respectively (such Shares, together with any other Shares such Stockholder may
acquire beneficial ownership of after the date of this Agreement (including any Shares acquired through the vesting or exercise of Company Warrants or otherwise), being collectively referred to in this Agreement as the &#147;<U>Stockholder
Shares</U>&#148;); and </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">WHEREAS, as a condition to the willingness of Parent to enter into the Merger Agreement, Parent has required
Stockholders to enter into this Agreement, and each Stockholder has agreed and is willing to enter into this Agreement. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">NOW, THEREFORE,
in consideration of the foregoing and the mutual covenants and agreements contained in this Agreement, the Parties, intending to be legally bound, agree as follows: </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">1. <U>Agreements of Stockholders</U>. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(a) <U>Voting</U>. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:9%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(i) From the date of this Agreement until the Agreement Termination Date, at any meeting of the stockholders of the Company
however called (or any action by written consent in lieu of a meeting) or any adjournment or postponement of such meeting, each Stockholder shall, subject to Section&nbsp;5, vote (or cause to be voted) all Stockholder Shares beneficially owned by
such Stockholder as of the applicable record date or (as appropriate) execute written consents in respect of such Stockholder Shares, (i)&nbsp;in favor of the Merger, the Merger Agreement (to the extent required), and the transactions
</P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">C-1 </P>

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contemplated by the Merger Agreement and any other actions presented at any meeting of the stockholders of the Company (or any action by written consent in lieu of a meeting) that are necessary
to consummate the transactions contemplated by the Merger Agreement; and (ii)&nbsp;against any Alternative Acquisition Agreement and any other action or agreement (including, without limitation, any amendment of any agreement), amendment of the
Company&#146;s organizational documents or other action that would reasonably be expected to prevent or materially delay the consummation of the transactions contemplated by the Merger Agreement, including the Merger. Each Stockholder agrees to cast
or cause to be cast any such vote (or give or cause to be given any consent) in accordance with such procedures relating to such vote (or consent) so as to ensure that it is duly counted, including for purposes of determining that a quorum is
present and for purposes of recording the results of such vote (or consent). </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:9%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(ii) Notwithstanding anything in clause
(a)(i) above, in the event the Company Board makes an Adverse Recommendation Change in compliance with the Merger Agreement, the obligations of each Stockholder with respect to the Stockholder Shares held by such Stockholder under this Agreement
shall be modified such that such obligations shall only bind such Stockholder with respect to a number of Stockholder Shares held by such Stockholder equal to the number of Stockholder Shares that would, together with (A)&nbsp;the Stockholder Shares
held by the other Stockholder subject to such obligations under this Agreement, and (B)&nbsp;any Shares or other shares of capital stock or other voting securities of the Company, and securities or interests of the Company convertible into or
exchangeable for shares of capital stock or voting securities of the Company, held by any other Person that are subject to similar obligations pursuant to the other voting agreements entered into with Parent on the date hereof, in the aggregate
represent 29% of the total voting power of the outstanding Shares entitled to vote on the adoption of the Merger Agreement as of the applicable record date (rounded down to the nearest whole share). Any reduction in the number of Stockholder Shares
of a Stockholder subject to the obligations of such Stockholder under this Agreement pursuant to the foregoing sentence shall be made on a pro rata basis in proportion to the respective voting power of each Stockholder and, if applicable, any other
relevant Person as of the applicable record date (in each case rounded down to the nearest whole share). </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:9%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(iii) For the
avoidance of doubt, nothing in this Section&nbsp;1(a) shall constitute an agreement between or among any Persons other than each Stockholder, on the one hand, and Parent, on the other hand, and no stockholder or other security holder of the Company
or any other Person (other than the Parties) shall have any right, remedy or claim under or in respect of this Section&nbsp;1(a). </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(b) <U>Restriction on Transfer; Proxies; Non-Interference; etc</U>. From the execution of this Agreement until the Agreement
Termination Date, no Stockholder shall directly or indirectly: (i)&nbsp;sell, transfer, give, assign or otherwise dispose of (collectively, &#147;<U>Transfer</U>&#148;), or enter into any contract, option or other arrangement or understanding with
respect to the Transfer of, any Stockholder Shares (or any right, title or interest to or in any Stockholder Shares, or any Company Warrants, other than the conversion of any Company Warrant); (ii) deposit any Stockholder Shares into a voting trust
or grant any proxies or enter into a voting agreement, power of attorney or voting trust with respect to any Stockholder Shares; or (iii)&nbsp;agree (whether or not in writing) to take any of the actions referred to in the foregoing clauses
(i)&nbsp;or (ii) of this Section&nbsp;1(b). Notwithstanding the foregoing, this Agreement shall not restrict Transfers of any or all of the Stockholder Shares or Company Warrants (i)&nbsp;in the case of a Stockholder who is an individual (x)&nbsp;to
any member of Stockholder&#146;s immediate family, or to a trust for the benefit of Stockholder or any member of Stockholder&#146;s immediate family, in each case for the purposes of estate planning, or (y)&nbsp;upon the death of Stockholder, to any
member of Stockholder&#146;s immediate family, or to a trust for the benefit of any member of Stockholder&#146;s immediate family, so long as, in each case, prior to and as a condition to the effectiveness of such Transfer, the transferee shall have
executed and delivered to the Company a counterpart of this Agreement pursuant to which such transferee shall be bound by all of the terms and provisions of this Agreement, (ii)&nbsp;in the case of any Stockholder, to any of its Affiliates
(including any other Stockholder) that, prior to and as a condition to the effectiveness of such Transfer, shall have executed and delivered to the Company a counterpart of this </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">C-2 </P>

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Agreement pursuant to which such Affiliate shall be bound by all of the terms and provisions of this Agreement or (iii)&nbsp;after the completion of the Company Stockholder Meeting. In the event
of any such transfer, <U>Exhibit A-1</U> or <U>A-2</U>, as applicable, shall be updated accordingly. Each Stockholder and its Affiliates may also enter into any contract, agreement or arrangement, or mortgage, pledge or encumber any or all of the
Stockholder Shares or Company Warrants, in each case in connection with any <I>bona fide </I>lending transaction or arrangement (a &#147;<U>Permitted Transaction</U>&#148;) if such Stockholder or Affiliate retains the right to vote or consent to, or
cause to be voted or consented to, all such Stockholder Shares or Company Warrants as provided in Section&nbsp;1(a) during the term of such Permitted Transaction. The Parties acknowledge and agree that nothing in this Agreement shall restrict
enforcement or the exercise of any remedies (including a foreclosure) with respect to any such Permitted Transaction. Any Transfer in violation of the foregoing shall be null and void ab initio. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(c) <U>Information for Proxy Statement; Publication</U>. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:9%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(i) Each Stockholder consents to the Company, Parent and Merger Sub publishing and disclosing in any filing required under
applicable Law, including the filings contemplated by the Merger Agreement, Stockholder&#146;s identity and ownership of Shares and Company Warrants and the nature of Stockholder&#146;s commitments, arrangements and understandings under this
Agreement, in each case, to the extent required by applicable Law. Each Stockholder agrees to permit the Company, Parent and Merger Sub to publish and disclose in the Proxy Statement or any other disclosure document required in connection with the
Merger Agreement or the transactions contemplated by the Merger Agreement the Stockholder&#146;s identity and beneficial ownership of the Shares and the nature of the Stockholder&#146;s commitments under this Agreement, in each case to the extent
required by applicable Law. Notwithstanding the foregoing, any such publication or disclosure, including in the Proxy Statement or any other filing to or submission with the SEC or any other Governmental Entity (including, without limitation, Form
8-K), described in this Section&nbsp;1(c)(i) shall, in each instance, be subject to such Stockholder&#146;s prior review and comment. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:9%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(ii) Except as required by applicable Law, each Stockholder shall not, and shall direct its Affiliates not to, issue any press
release or make any other public statement with respect to this Agreement, the Merger Agreement or the transactions contemplated by the Merger Agreement without the prior written consent of Parent (not to be unreasonably withheld, conditioned or
delayed). </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(d) <U>Waiver of Appraisal Rights</U>. Each Stockholder irrevocably and unconditionally waives, and agrees not
to exercise, all appraisal rights under Section&nbsp;262 of the DGCL (and any other appraisal, dissenters&#146; or similar rights) related to the transactions contemplated by the Merger Agreement with respect to the Stockholder Shares to the fullest
extent permitted by Law. </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(e) <U>No Solicitation of Transactions</U>. Except to the same extent that the Company, the
Company Board or any of their Representatives is permitted to engage in, or take, any of the following activities pursuant to Section&nbsp;5.4 of the Merger Agreement, each Stockholder (in its, his or her capacity as a stockholder) shall not, and
shall direct its Affiliates and its and its Affiliates&#146; Representatives not to, directly or indirectly: (i)&nbsp;initiate, solicit or knowingly encourage (including by providing information) any inquiries, proposals or offers with respect to,
or the making or completion of, an Acquisition Proposal or the making of any proposal that would reasonably be expected to lead to an Acquisition Proposal; (ii)&nbsp;furnish any nonpublic information regarding the Company or any of its Subsidiaries
or afford access to the business, properties, assets, employees, consultants, books or records of the Company or any of its Subsidiaries to any Person that, to the knowledge of such Stockholder, is reasonably expected to make, or is otherwise
seeking to make, or has made, an Acquisition Proposal; or (iii)&nbsp;engage or participate in any negotiations or discussions concerning, or knowingly provide or cause to be provided any non-public information or data relating to the Company or any
of its Subsidiaries in connection with, an Acquisition Proposal. Notwithstanding anything in this Section&nbsp;1(c) to the contrary, at and subject to the direction of the Company Board, Stockholder may participate in discussions and negotiations
with, and furnish information and data to, any Person with whom </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">C-3 </P>

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the Company Board has determined to engage in discussions and negotiations, and with whom the Company Board is then engaging in discussions and negotiations, in each case pursuant to and in
compliance with Section&nbsp;5.4 of the Merger Agreement. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">2. <U>Representations and Warranties of Stockholders</U>. Each Stockholder
represents and warrants to Parent as follows: </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(a) <U>Authority</U>. Such Stockholder has all necessary power and authority
to execute and deliver this Agreement and to perform its obligations under this Agreement. This Agreement has been duly executed and delivered by such Stockholder. Assuming due and valid authorization, the execution and delivery of this Agreement by
Parent, constitutes a legal, valid and binding obligation of such Stockholder, enforceable against Stockholder in accordance with its terms (except to the extent that enforceability may be limited by applicable bankruptcy, insolvency, moratorium,
reorganization or similar Laws affecting the enforcement of creditors&#146; rights generally or by general principles of equity). </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(b) <U>Consents and Approvals; No Violations</U>. Other than such filings as, if not made, obtained or given, would not
reasonably be expected to prevent or materially delay the performance by such Stockholder of any of its obligations under this Agreement: (i)&nbsp;no consent, approval, authorization or permit of, action by, or filing by such Stockholder with or
notification by such Stockholder to, any Governmental Entity or any other Person is required in connection with the execution, delivery and performance of this Agreement by such Stockholder; and (ii)&nbsp;no consents, registrations, approvals,
permits or authorizations are required to be obtained by such Stockholder from any Governmental Entity or any other Person in connection with the execution, delivery and performance of this Agreement by such Stockholder, except in the case of both
clause (i)&nbsp;and (ii) as may be required under applicable securities Laws and for the written consent of the Company Board to the execution and delivery by the Stockholders of this Agreement and the performance by the Stockholders of their
respective obligations under this Agreement, including for purposes of Article II of the Stockholders&#146; Agreement, received by the Stockholders on or before the date of this Agreement (the &#147;<U>Company Board Consent</U>&#148;). Assuming the
accuracy of the representations and warranties of the Company set forth in the Merger Agreement, the execution, delivery and performance of this Agreement by such Stockholder does not, and the consummation by such Stockholder of the transactions
contemplated by this Agreement will not, result in a violation or breach of, or constitute (with or without due notice or lapse of time or both) a default (or give rise to any right of termination, cancellation, modification or acceleration)
(whether after the giving of notice or the passage of time or both) under any contract, agreement, arrangement or commitment to which such Stockholder is a party or which is binding on it or its assets, and will not result in the creation of any
Lien on any of the assets or properties of such Stockholder (other than the Stockholder Shares pursuant to the terms of this Agreement), except for such violations, breaches, defaults, terminations, cancellations, modifications, accelerations or
Liens as would not reasonably be expected to prevent or materially delay the performance by such Stockholder of any of its obligations under this Agreement. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(c) <U>Organization, Standing and Power</U>. (i)&nbsp;the Stockholder is duly organized, validly existing and in good standing
in accordance with the Laws of its jurisdiction of organization, as applicable; and (ii)&nbsp;the execution and delivery of this Agreement by the Stockholder, the performance of the Stockholder&#146;s obligations under this Agreement, and the
consummation of the transactions contemplated by this Agreement have been duly authorized by all necessary action on the part of the Stockholder. No other consents or authorizations on the part of the Stockholder are necessary to authorize this
Agreement or to consummate the transactions contemplated by this Agreement. </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(d) <U>Ownership of Stockholder Shares; Claims
Against the Company</U>. As of the date of this Agreement, such Stockholder owns, beneficially, all of the Stockholder Shares and Company Warrants set forth opposite such Stockholder&#146;s name on <U>Exhibits A-1</U> and <U>A-2</U>, respectively,
free and clear of any proxy, voting restriction, adverse claim or other Lien (other than: (i)&nbsp;under this Agreement; (ii)&nbsp;under the applicable securities Laws; (iii)&nbsp;as set forth on <U>Exhibit A-1</U> or <U>A-2</U>; (iv) under the
Stockholders&#146; Agreement; or (vi)&nbsp;as would not reasonably be expected to prevent or materially delay the performance by such Stockholder of </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">C-4 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman">
any of its obligations under this Agreement). Without limiting the foregoing, as of the date of this Agreement, except as set forth on <U>Exhibit A-1</U> or <U>A-2</U>, in the Stockholders&#146;
Agreement, or in any Schedule&nbsp;13D (or any amendment to any Schedule 13D) filed with the SEC by or on behalf of any Stockholder or any of their Affiliates on or before the date of this Agreement, such Stockholder has sole voting power and sole
power of disposition with respect to all Stockholder Shares set forth opposite such Stockholder&#146;s name on <U>Exhibit A-1</U>, with no restrictions on such Stockholder&#146;s rights of voting or disposition pertaining to such Stockholder Shares.
As of the date of, and other than pursuant to, this Agreement, no Person other than such Stockholder has any right to direct or approve the voting or disposition of any Stockholder Shares of such Stockholder. As of the date of this Agreement, none
of such Stockholder or, to the knowledge of such Stockholder, any of its Affiliates owns, beneficially or of record, any securities of the Company other than the Stockholder Shares and Company Warrants set forth on <U>Exhibit A-1</U> and <U>A-2</U>,
respectively, and Company Equity Awards (or Shares issued in lieu of Company Equity Awards). Except as set forth on <U>Exhibit A-1</U> or <U>A-2</U>, as of the date of this Agreement such Stockholder holds no (1)&nbsp;shares of capital stock or
other voting securities of the Company, (2)&nbsp;securities or interests of the Company or any of its Subsidiaries convertible into or exchangeable for shares of capital stock or voting securities of the Company or any of its Subsidiaries,
(3)&nbsp;options, warrants or other rights to acquire from the Company or any of its Subsidiaries any capital stock, voting securities or securities or interests convertible into or exchangeable for capital stock or voting securities of the Company
or any of its Subsidiaries, (4)&nbsp;options, calls, warrants or other rights, agreements, arrangements or commitments of any character relating to capital stock of the Company or any of its Subsidiaries to which the Company or any of its
Subsidiaries is a party or is bound, or (5)&nbsp;restricted shares, restricted stock units, stock appreciation rights, performance shares, profit participation rights, contingent value rights, stock appreciation, phantom stock, profit participation
or similar rights with respect to the securities of the Company or any of its Subsidiaries to which the Company or any of its Subsidiaries is a party or is bound. As of the date of this Agreement, to the knowledge of such Stockholder, neither the
Company nor any of its Subsidiaries is in breach of any agreement to which such Stockholder is a party that would give rise to any claim, cause of action, demand, suit, debt or lien against the Company or any of its Subsidiaries. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(e) <U>Brokers</U>. Except as set forth in the Merger Agreement, no broker, investment banker, financial advisor or other
Person is entitled to any broker&#146;s, finder&#146;s, financial advisor&#146;s or other similar fee or commission that is payable by the Company or any of its Subsidiaries in connection with the transactions contemplated by the Merger Agreement
based upon arrangements made by or on behalf of such Stockholder or any of its Affiliates. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">3. <U>Representations and Warranties of
Parent</U>. Parent represents and warrants to each Stockholder as follows: </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(a) <U>Authority</U>. Parent has all necessary
power and authority to execute and deliver this Agreement and to perform its obligations under this Agreement. This Agreement has been duly executed and delivered by Parent. Assuming due and valid authorization, execution and delivery of this
Agreement by each Stockholder, this Agreement constitutes a legal, valid and binding obligation of Parent, enforceable against Parent in accordance with its terms (except to the extent that enforceability may be limited by applicable bankruptcy,
insolvency, moratorium, reorganization or similar Laws affecting the enforcement of creditors&#146; rights generally or by general principles of equity). </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(b) <U>Consents and Approvals; No Violations</U>. Other than such filings as, if not made, obtained or given, would not
reasonably be expected to prevent or materially delay the performance by Parent of any of its obligations under this Agreement, (i)&nbsp;no consent, approval, authorization or permit of, action by, or filing by Parent with or notification by Parent
to, any Governmental Entity or any other Person is required in connection with the execution, delivery and performance of this Agreement by Parent; and (ii)&nbsp;no consents, registrations, approvals, permits or authorizations are required to be
obtained by Parent from any Governmental Entity or any other Person in connection with the execution, delivery and performance of this Agreement by Parent. The execution, delivery and performance of this Agreement by Parent does not, and the
consummation by Parent of the transactions contemplated by this Agreement will not, result in a </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">C-5 </P>

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violation or breach of, or constitute (with or without due notice or lapse of time or both) a default (or give rise to any right of termination, cancellation, modification or acceleration)
(whether after the giving of notice or the passage of time or both) under any contract, agreement, arrangement or commitment to which Parent is a party or which is binding on it or its assets and will not result in the creation of any Lien on any of
the assets or properties of Parent, except for such violations, breaches, defaults, terminations, cancellations, modifications, accelerations or Liens as would not reasonably be expected to prevent or materially delay the performance by Parent of
any of its obligations under this Agreement. </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(c) <U>Organization, Standing and Power</U>. Parent is duly organized,
validly existing and in good standing in accordance with the Laws of the State of Florida. The execution and delivery of this Agreement by Parent, the performance of Parent&#146;s obligations under this Agreement, and the consummation of the
transactions contemplated by this Agreement have been duly authorized by all necessary action on the part of Parent and no other consents or authorizations on the part of Parent are necessary to authorize this Agreement or to consummate the
transactions contemplated by this Agreement. </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(d) <U>No Other Representations</U>. On behalf of itself, its Subsidiaries,
their respective Affiliates, and the Representatives of each of the foregoing, Parent acknowledges and agrees that, except for the representations and warranties of the Stockholder expressly set forth in Section&nbsp;2 of this Agreement, none of the
Stockholders or their Affiliates or Representatives have made, and none of Parent, its Subsidiaries, any of their respective Affiliates or any Representative of any of the foregoing has relied on, any representation or warranty made by or on behalf
of any of the Stockholders or any of their Affiliates regarding any Stockholder, the Company, its business, the sufficiency of the representations and warranties set forth in this Agreement or in the Merger Agreement or any other matter in
connection the entry by Parent and its Subsidiaries into this Agreement, the Merger Agreement and the other agreements contemplated by this Agreement and the Merger Agreement and their respective agreements to consummate the transactions
contemplated by this Agreement and the Merger Agreement. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">4. <U>Termination</U>. This Agreement shall terminate, and no party to this
Agreement will have any further obligation to the other parties to this Agreement upon the first to occur of: (a)&nbsp;the valid termination of the Merger Agreement in accordance with its terms (&#147;<U>Merger Agreement Termination</U>&#148;); (b)
the Effective Time; or (c)&nbsp;any modification, waiver or amendment to any provision of the Merger Agreement that is effected without the Stockholders&#146; prior written consent and that (x)&nbsp;reduces the amount or changes the form or type of
the Merger Consideration, reduces, or imposes any conditions, requirements or restrictions on, a Stockholder&#146;s right to receive the consideration payable to such Stockholder, or that materially delays the timing of any such payment, in each
case, pursuant to the Merger Agreement as in effect on the date of this Agreement, or (y)&nbsp;otherwise adversely affects the interests of a Stockholder in any material respect (such earliest date being referred to in this Agreement as the
&#147;<U>Agreement Termination Date</U>&#148;). Nothing in this Agreement shall (A)&nbsp;relieve a Stockholder from liability for any Willful Breach of this Agreement occurring prior to such termination or (B)&nbsp;restrict or prohibit Parent, its
Representatives or Affiliates from asserting, in any action or proceeding brought or claims asserted by such Stockholder relating to this Agreement or the transactions contemplated hereby, any defenses arising from any inaccuracy in any of such
Stockholder&#146;s representations in Section&nbsp;2(d). In addition, the provisions of this Section&nbsp;4, Section&nbsp;6, and Section&nbsp;8 of this Agreement shall survive any termination of this Agreement. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">5. <U>No Obligation to Exercise</U>. No provision of this Agreement shall require any Stockholder, any of their Affiliates, or any
Representatives of any of the foregoing to exercise any Pre-Funded Warrants, Anti-Dilution Warrants, other Company Warrants or any other option, warrant, convertible security or other security or contractual right convertible into Shares. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">6. <U>No Legal Action</U>. Each Stockholder shall not bring, commence, institute, maintain or prosecute any claim, appeal, or proceeding which
(a)&nbsp;challenges the validity of or seeks to enjoin the operation of any provision of this Agreement or (b)&nbsp;alleges that the execution and delivery of this Agreement by the Stockholders (or their performance under this Agreement solely in
the capacity as a stockholder of the Company) breaches any </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">C-6 </P>

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fiduciary duty of the Company Board (or any member of the Company Board) or any duty that any Stockholder has (or may be alleged to have) to the Company or to the other holders of Shares.
Notwithstanding the foregoing, nothing in this Section&nbsp;6 shall restrict or prohibit the Stockholders, their Representatives or their Affiliates from participating as a defendant, or asserting counterclaims or defenses, in any action or
proceeding brought or claims asserted against any Stockholder or any of its Representatives or Affiliates relating to this Agreement, the Merger Agreement or the transactions contemplated by this Agreement or the Merger Agreement, or from enforcing
their respective rights under this Agreement or the Merger Agreement. Parent shall not, directly or indirectly, assert any claim that any action taken by any Stockholder or any of their Representatives or Affiliates breaches any fiduciary duty of
the Company Board (or any member of the Company Board) or any duty that such Stockholder has (or may be alleged to have) to the Company or to the other holders of Shares. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">7. <U>Miscellaneous</U>. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(a) <U>Action in Stockholder Capacity Only</U>. The parties acknowledge that this Agreement is entered into by each Stockholder
solely in its capacity as a direct or indirect owner of the Stockholder Shares and Company Warrants. Nothing in this Agreement shall in any way restrict or limit the ability of such Stockholder or any Affiliate of such Stockholder who is a director
or officer of the Company from taking any action in his capacity as a director or officer of the Company, including the exercise of fiduciary duties to the Company and its Stockholders. Nothing in this Agreement shall restrict or limit the Company
from taking any actions that are otherwise permitted by the Merger Agreement, including with respect to a Superior Proposal. Nothing in this Agreement shall be construed as a waiver of any rights under Stockholder&#146;s employment agreement or
under any Company Equity Plans, including any ability to terminate employment for Good Reason. </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(b) <U>Expenses</U>. Except
as otherwise expressly provided in this Agreement, all costs and expenses incurred in connection with the transactions contemplated by this Agreement shall be paid by the party incurring such costs and expenses. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(c) <U>Definitions and Interpretation</U>. For purposes of this Agreement: </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:9%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(i) None of the Stockholders or any of their respective Affiliates or Affiliated Funds shall be deemed to be an
&#147;Affiliate&#148; of the Company or any of its direct and indirect Subsidiaries. No &#147;portfolio company&#148; (as such term is customarily used in the private equity industry) of any Affiliated Fund of any Stockholder shall be deemed to be
an Affiliate of such Stockholder unless such &#147;portfolio company&#148; is a Controlled Affiliate; </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:9%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(ii)
&#147;Affiliated Fund&#148; in relation to each Stockholder shall mean any investment fund, vehicle or account the investment advisor to or manager of which is such Stockholder&#146;s investment advisor or manager or an Affiliate thereof; </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:9%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(iii) &#147;beneficial ownership&#148; with respect to (or to &#147;own beneficially&#148;) any securities shall mean having
&#147;beneficial ownership&#148; of such securities (as determined pursuant to Rule 13d-3 under the Exchange Act), including pursuant to any agreement, arrangement or understanding, whether or not in writing, without regard to the 60-day limitation
in Rule 13d-3(d)(1)(i); and </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:9%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(iv) &#147;Controlled Affiliate&#148; with respect to each of the Stockholders shall mean the
other Stockholder, any other Person that, directly or indirectly, controls or is controlled by or is under common control with such Stockholder, where such control includes, directly or indirectly, either: (i)&nbsp;an amount of the voting
securities, other voting ownership or voting partnership interests of which is sufficient to elect at least a majority of its board of directors or other governing Person or body; or (ii)&nbsp;more than fifty (50%) percent of the equity interests of
which is owned directly or indirectly by such first Person. </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(d) <U>Entire Agreement; No Third Party Beneficiaries</U>.
This Agreement, the Merger Agreement and each of the documents, instruments and agreements delivered in connection with the transactions contemplated by the Merger Agreement constitute the entire agreement, and supersedes all prior agreements and
</P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">C-7 </P>

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understandings, both written and oral, among the parties, or any of them, with respect to the subject matter of this Agreement. This Agreement is not intended to and shall not confer upon any
Person other than the parties to this Agreement any rights under this Agreement. </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(e) <U>Assignment; Binding Effect</U>.
Except as otherwise specifically provided in this Agreement, neither this Agreement nor any of the rights, interests or obligations under this Agreement shall be assigned by any of the parties to this Agreement without the prior written consent of
the other parties. Subject to the preceding sentence, this Agreement shall be binding upon and shall inure to the benefit of the parties to this Agreement and their respective successors and permitted assigns. Any purported assignment not permitted
under this Section&nbsp;8 shall be null and void. </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(f) <U>Amendments; Waiver</U>. This Agreement may not be amended or
supplemented, except by a written agreement executed by the Stockholders and Parent. No failure or delay by a party in exercising any right under this Agreement shall operate as a waiver of such right nor shall any single or partial exercise of such
right preclude any other or further exercise of such right or the exercise of any other right under this Agreement. Any agreement on the part of a party to this Agreement to any such extension or waiver shall be valid only if set forth in an
instrument in writing signed on behalf of such party. </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(g) <U>Severability</U>. If any term or other provision of this
Agreement is determined by a court of competent jurisdiction to be invalid, illegal or incapable of being enforced by any rule of applicable Law or public policy, all other terms, provisions and conditions of this Agreement shall nevertheless remain
in full force and effect. Upon such determination that any term or other provision is invalid, illegal or incapable of being enforced, the parties to this Agreement shall negotiate in good faith to modify this Agreement so as to effect the original
intent of the parties as closely as possible to the fullest extent permitted by applicable Law in an acceptable manner to the end that the transactions contemplated by this Agreement are fulfilled to the extent possible. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(h) <U>Counterparts</U>. This Agreement may be executed in two or more separate counterparts, each of which shall be deemed to
be an original but all of which taken together shall constitute one and the same agreement. This Agreement shall become effective when each party to this Agreement shall have received counterparts of this Agreement signed by the other parties to
this Agreement. </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(i) <U>Descriptive Headings</U>. Headings of sections and subsections of this Agreement are for
convenience of the parties only, and shall be given no substantive or interpretive effect whatsoever. </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(j) <U>Notices</U>.
All notices and other communications among the parties to this Agreement shall be in writing and shall be deemed to have been duly given (a)&nbsp;when delivered in person, (b)&nbsp;when delivered after posting in the United States mail having been
sent registered or certified mail return receipt requested, postage prepaid, (c)&nbsp;when delivered by FedEx or other nationally recognized overnight delivery service or (d)&nbsp;when delivered by facsimile (solely if receipt is confirmed) or email
(so long as the sender of such email does not receive an automatic reply from the recipient&#146;s email server indicating that the recipient did not receive such email), addressed as follows: </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman">if to Parent, to: </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">MasTec, Inc. </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">800 S. Douglas Road, 12th Floor </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">Coral Gables, Florida 33134 </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">Attention: Alberto de Cardenas </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">E-mail: albert.cardenas@mastec.com </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">C-8 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">with a copy (which shall not constitute notice) to: </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">Fried, Frank, Harris, Shriver&nbsp;&amp; Jacobson LLP </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">One New York Plaza </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">New York, NY 10004 </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">Attention: Philip Richter; Maxwell Yim </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">E-mail: philip.richter@friedfrank.com </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:11%; text-indent:4%; font-size:10pt; font-family:Times New Roman">maxwell.yim@friedfrank.com </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman">if to Stockholders, to: </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">C/o: Infrastructure and Energy Alternatives, Inc. </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">6325 Digital Way, Suite 460 </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">Indianapolis, Indiana 46278 </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">Attention: John Paul Roehm </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">E-mail: JP.Roehm@iea.net </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">with a copy (which shall not constitute notice) to: </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">Gibson, Dunn&nbsp;&amp; Crutcher LLP </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">200 Park Avenue </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">New York, NY 10166 </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">Attention: Barbara L. Becker; Saee M. Muzumdar; Andrew Kaplan </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">E-mail: bbecker@gibsondunn.com; </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:11%; text-indent:4%; font-size:10pt; font-family:Times New Roman">smuzumdar@gibsondunn.com; </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:11%; text-indent:4%; font-size:10pt; font-family:Times New Roman">akaplan@gibsondunn.com </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman">or to such other address or facsimile number as the parties to this Agreement may from time to time designate in writing. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(k) <U>Drafting</U>. The parties to this Agreement have participated jointly in the negotiation and drafting of this Agreement
and, in the event an ambiguity or question of intent or interpretation arises, this Agreement shall be construed as jointly drafted by the parties to this Agreement and no presumption or burden of proof shall arise favoring or disfavoring any party
by virtue of the authorship of any provision of this Agreement. </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(l) <U>Governing Law; Enforcement; Jurisdiction; Waiver of
Jury Trial</U>. </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:9%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(i) This Agreement shall be governed by, and construed in accordance with, the Laws of the State of
Delaware, regardless of the laws that might otherwise govern under any applicable principles of conflicts of laws of the Laws of the State of Delaware. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:9%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(ii) EACH OF THE PARTIES TO THIS AGREEMENT IRREVOCABLY WAIVES TO THE EXTENT PERMITTED BY APPLICABLE LAW ANY AND ALL RIGHT TO A
TRIAL BY JURY IN ANY ACTION, PROCEEDING OR COUNTERCLAIM ARISING OUT OF OR RELATING TO THIS AGREEMENT, THE MERGER AGREEMENT AND THE TRANSACTIONS CONTEMPLATED IN THE MERGER AGREEMENT (INCLUDING ANY LEGAL PROCEEDING AGAINST OR INVOLVING ANY DEBT
FINANCING SOURCES OR ANY OF THEIR RESPECTIVE AFFILIATES ARISING OUT OF THE MERGER AGREEMENT OR THE DEBT FINANCING). EACH PARTY (A)&nbsp;MAKES THIS WAIVER VOLUNTARILY; AND (B)&nbsp;ACKNOWLEDGES THAT SUCH HAS BEEN INDUCED TO ENTER INTO THIS AGREEMENT
BY, AMONG OTHER THINGS, THE MUTUAL WAIVERS CONTAINED IN THIS SECTION 7(l). </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:9%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(iii) The parties to this Agreement acknowledge
and agree that irreparable damage would occur in the event that any of the provisions of this Agreement were not performed in accordance with their specific terms or were otherwise breached, and that monetary damages, even if available, would not be
an adequate remedy therefor. It is accordingly agreed that the parties to this Agreement shall be entitled to seek an injunction or injunctions to prevent breaches of this Agreement and to enforce specifically
</P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">C-9 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:9%; font-size:10pt; font-family:Times New Roman">
the performance of the terms and provisions of this Agreement in any court referred to in clause (iv)&nbsp;below, without proof of actual damages (and each party waives any requirement for the
securing or posting of any bond in connection with such remedy), this being in addition to any other remedy to which they are entitled at law or in equity. The parties to this Agreement further agree not to assert that a remedy of specific
performance is unenforceable, invalid, contrary to law or inequitable for any reason, nor to assert that remedy of monetary damages would provide an adequate remedy for any such breach. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:9%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(iv) In addition, each of the parties to this Agreement consents to submit itself to the personal jurisdiction of the Delaware
Court of Chancery and (solely in the event the Chancery Court declines jurisdiction), any Delaware state court or any federal court located in the State of Delaware (the &#147;<U>Chosen Courts</U>&#148;) in the event any dispute arises out of this
Agreement, the Merger Agreement, or the transactions contemplated by the Merger Agreement. Each of the Parties also agrees: (i)&nbsp;that it will not attempt to deny or defeat such personal jurisdiction by motion or other request for leave from the
Chosen Courts and (ii)&nbsp;that it will not bring any action relating to this Agreement, the Merger Agreement, the transactions contemplated by the Merger Agreement in any court other than the Chosen Courts (except for actions brought to enforce
the judgment of any of the Chosen Courts). </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">[REMAINDER OF THIS PAGE INTENTIONALLY LEFT BLANK] </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">C-10 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">IN WITNESS WHEREOF, each party hereto has duly executed this Agreement as of the date first
written above. </P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><DIV ALIGN="right">
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="40%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt">


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<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="83%"></TD></TR>


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<TD VALIGN="top" COLSPAN="3"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>PARENT:</B></P> <P STYLE="font-size:12pt; margin-top:0pt; margin-bottom:0pt">&nbsp;</P>
<P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:10pt; font-family:Times New Roman"><B>MASTEC, INC.</B></P></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16"></TD>
<TD HEIGHT="16" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="bottom">By</TD>
<TD VALIGN="bottom" STYLE=" BORDER-BOTTOM:1px solid #000000">&nbsp;</TD>
<TD VALIGN="top" STYLE="BORDER-BOTTOM:1px solid #000000">/s/ George L. Pita</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">Name:</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">George L. Pita</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">Title:</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">Executive President and Chief&nbsp;Financial&nbsp;Officer</TD></TR>
</TABLE></DIV> <P STYLE="margin-top:400pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><I>[Signature Page to Voting and Support Agreement (JPR)] </I></P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">C-11 </P>

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 <DIV ALIGN="right">
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<TR STYLE="font-size:1pt">
<TD HEIGHT="16"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" STYLE="BORDER-BOTTOM:1px solid #000000"><B>/s/ John Paul Roehm</B></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"><B>John Paul Roehm</B></TD></TR>
</TABLE></DIV> <P STYLE="margin-top:500pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><I>[Signature Page to Voting and Support Agreement] </I></P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">C-12 </P>

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 <DIV ALIGN="right">
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<TD WIDTH="87%"></TD></TR>


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<TD VALIGN="top" COLSPAN="3"><B>ROEHM LIVING TRUST</B></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16"></TD>
<TD HEIGHT="16" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="bottom">By</TD>
<TD VALIGN="bottom" STYLE=" BORDER-BOTTOM:1px solid #000000">&nbsp;</TD>
<TD VALIGN="top" STYLE="BORDER-BOTTOM:1px solid #000000">/s/ John Paul Roehm</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">Name:</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">John Paul Roehm</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">Title:</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">Trustee</TD></TR>
</TABLE></DIV> <P STYLE="margin-top:500pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><I>[Signature Page to Voting and Support Agreement] </I></P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">C-13 </P>

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<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><U>Exhibit A-1 </U></B></P>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">


<TR>

<TD WIDTH="51%"></TD>

<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD WIDTH="47%"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom" NOWRAP STYLE="border-bottom:1.00pt solid #000000"> <P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:8pt; font-family:Times New Roman"><B>Stockholder</B></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" STYLE="border-bottom:1.00pt solid #000000"> <P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:8pt; font-family:Times New Roman"><B>Stockholder Shares</B></P></TD></TR>


<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">John Paul Roehm</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>429,658</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Roehm Living Trust</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>637,987</TD></TR>
</TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">C-14 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><U>Exhibit A-2 </U></B></P>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:8pt" ALIGN="center">


<TR>

<TD WIDTH="51%"></TD>

<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD WIDTH="47%"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom" NOWRAP STYLE="border-bottom:1.00pt solid #000000"> <P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:8pt; font-family:Times New Roman"><B>Stockholder</B></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" STYLE="border-bottom:1.00pt solid #000000"> <P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:8pt; font-family:Times New Roman"><B>Company Warrants</B></P></TD></TR>


<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">John Paul Roehm</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>21 Anti-Dilution Warrants<SUP STYLE="font-size:75%; vertical-align:top">1</SUP></TD></TR>
</TABLE> <P STYLE="line-height:8.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1px solid #000000;width:11%">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="2%" VALIGN="top" ALIGN="left"><SUP STYLE="font-size:75%; vertical-align:top">1</SUP>&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">3,195 Anti-Dilution Warrants are also expected to be issued to such Stockholder on or prior to the Effective
Time. </P></TD></TR></TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">C-15 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="right"><B><A NAME="annxd"></A>ANNEX D </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="right">Execution Version </P> <P STYLE="margin-top:24pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>VOTING AND
SUPPORT AGREEMENT </B></P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">This VOTING AND SUPPORT AGREEMENT (this &#147;<U>Agreement</U>&#148;) dated as of July 24, 2022, is entered into by
and among MasTec, Inc., a Florida corporation (&#147;<U>Parent</U>&#148;) and the undersigned stockholder (the &#147;<U>Stockholder</U>&#148;) of Infrastructure and Energy Alternatives, Inc., a Delaware corporation (the &#147;<U>Company</U>&#148;).
Parent, the Company and the Stockholder shall each be referred to in this Agreement as a &#147;<U>Party</U>&#148; and collectively as the &#147;<U>Parties</U>&#148;. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">WHEREAS, concurrently with the execution of this Agreement, the board of directors of the Company (the &#147;<U>Company Board</U>&#148;)
unanimously (a)&nbsp;determined that the terms of the Merger Agreement (as defined below) and the transactions contemplated by the Merger Agreement, including the Merger, are fair to, and in the best interests of, the Company and its stockholders,
(b)&nbsp;determined that it is in the best interests of the Company and its stockholders, and declared it advisable, to enter into the Merger Agreement, (c)&nbsp;approved the execution and delivery by the Company of the Merger Agreement, the
performance by the Company of its covenants and agreements contained in the Merger Agreement and the consummation of the Merger and the other transactions contemplated by the Merger Agreement upon the terms and subject to the conditions contained in
the Merger Agreement and (d)&nbsp;subject to the terms and conditions of the Merger Agreement, resolved to recommend that the Company&#146;s stockholders vote to adopt the Merger Agreement; </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">WHEREAS, concurrently with the execution of this Agreement, the Company, Parent, and Indigo Acquisition I Corp., a Delaware corporation and a
wholly owned subsidiary of Parent (&#147;<U>Merger Sub</U>&#148;), entered into an Agreement and Plan of Merger, dated as of the date of this Agreement (as the same may be amended or supplemented, the &#147;<U>Merger Agreement</U>&#148;); </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">WHEREAS, capitalized terms used but not defined in this Agreement have the meanings given to them in the Merger Agreement; </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">WHEREAS, as of the date of this Agreement, the Stockholder is the beneficial owner of the number of shares of common stock, par value $0.0001
per share, of the Company (&#147;<U>Shares</U>&#148;) and the Company Warrants, as set forth opposite such Stockholder&#146;s name on <U>Exhibits A-1</U> and <U>A-2</U>, respectively (such Shares, together with any other Shares such Stockholder may
acquire beneficial ownership of after the date of this Agreement (including any Shares acquired through the vesting or exercise of Company Warrants or otherwise), being collectively referred to in this Agreement as the &#147;<U>Stockholder
Shares</U>&#148;); and </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">WHEREAS, as a condition to the willingness of Parent to enter into the Merger Agreement, Parent has required the
Stockholder to enter into this Agreement, and the Stockholder has agreed and is willing to enter into this Agreement. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">NOW, THEREFORE, in
consideration of the foregoing and the mutual covenants and agreements contained in this Agreement, the Parties, intending to be legally bound, agree as follows: </P> <P STYLE="font-size:18pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="5%" VALIGN="top" ALIGN="left">1.</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><U>Agreements of the Stockholder</U>. </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="9%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">(a)<U></U></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><U>Voting</U>. </P></TD></TR></TABLE>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:9%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(i)&nbsp;&nbsp;&nbsp;&nbsp; From the date of this Agreement until the Agreement Termination Date, at any meeting of the
stockholders of the Company however called (or any action by written consent in lieu of a meeting) or any adjournment or postponement of such meeting, the Stockholder shall, subject to Section&nbsp;5, vote (or cause to be voted) all Stockholder
Shares beneficially owned by such Stockholder as of the applicable record date or (as appropriate) execute written consents in respect of such Stockholder </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">D-1 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:9%; font-size:10pt; font-family:Times New Roman">
Shares, (i)&nbsp;in favor of the Merger, the Merger Agreement (to the extent required), and the transactions contemplated by the Merger Agreement and any other actions presented at any meeting of
the stockholders of the Company (or any action by written consent in lieu of a meeting) that are necessary to consummate the transactions contemplated by the Merger Agreement; and (ii)&nbsp;against any Alternative Acquisition Agreement and any other
action or agreement (including, without limitation, any amendment of any agreement), amendment of the Company&#146;s organizational documents or other action that would reasonably be expected to prevent or materially delay the consummation of the
transactions contemplated by the Merger Agreement, including the Merger. The Stockholder agrees to cast or cause to be cast any such vote (or give or cause to be given any consent) in accordance with such procedures relating to such vote (or
consent) so as to ensure that it is duly counted, including for purposes of determining that a quorum is present and for purposes of recording the results of such vote (or consent). </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:9%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(ii)&nbsp;&nbsp;&nbsp;&nbsp; Notwithstanding anything in clause (a)(i) above, in the event the Company Board makes an Adverse
Recommendation Change in compliance with the Merger Agreement, the obligations of the Stockholder with respect to the Stockholder Shares held by such Stockholder under this Agreement shall be modified such that such obligations shall only bind such
Stockholder with respect to a number of Stockholder Shares held by such Stockholder equal to the number of Stockholder Shares that would, together with any Shares or other shares of capital stock or other voting securities of the Company, and
securities or interests of the Company convertible into or exchangeable for shares of capital stock or voting securities of the Company, held by any other Person that are subject to similar obligations pursuant to the other voting agreements entered
into with Parent on the date hereof, in the aggregate represent 29% of the total voting power of the outstanding Shares entitled to vote on the adoption of the Merger Agreement as of the applicable record date (rounded down to the nearest whole
share). Any reduction in the number of Stockholder Shares of the Stockholder subject to the obligations of such Stockholder under this Agreement pursuant to the foregoing sentence shall be made on a pro rata basis in proportion to the respective
voting power of the Stockholder and, if applicable, any other relevant Person as of the applicable record date (in each case rounded down to the nearest whole share). </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:9%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(iii)&nbsp;&nbsp;&nbsp;&nbsp; For the avoidance of doubt, nothing in this Section&nbsp;1(a) shall constitute an agreement
between or among any Persons other than the Stockholder, on the one hand, and Parent, on the other hand, and no stockholder or other security holder of the Company or any other Person (other than the Parties) shall have any right, remedy or claim
under or in respect of this Section&nbsp;1(a). </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(b)&nbsp;&nbsp;&nbsp;&nbsp; <U>Restriction on Transfer; Proxies;
Non-Interference; etc</U>. From the execution of this Agreement until the Agreement Termination Date, the Stockholder shall not directly or indirectly: (i)&nbsp;sell, transfer, give, assign or otherwise dispose of (collectively,
&#147;<U>Transfer</U>&#148;), or enter into any contract, option or other arrangement or understanding with respect to the Transfer of, any Stockholder Shares (or any right, title or interest to or in any Stockholder Shares, or any Company Warrants,
other than the conversion of any Company Warrant); (ii) deposit any Stockholder Shares into a voting trust or grant any proxies or enter into a voting agreement, power of attorney or voting trust with respect to any Stockholder Shares; or
(iii)&nbsp;agree (whether or not in writing) to take any of the actions referred to in the foregoing clauses (i)&nbsp;or (ii) of this Section&nbsp;1(b). Notwithstanding the foregoing, this Agreement shall not restrict Transfers of any or all of the
Stockholder Shares or Company Warrants (i)&nbsp;in the case of a Stockholder who is an individual (x)&nbsp;to any member of Stockholder&#146;s immediate family, or to a trust for the benefit of Stockholder or any member of Stockholder&#146;s
immediate family, in each case for the purposes of estate planning, or (y)&nbsp;upon the death of Stockholder, to any member of Stockholder&#146;s immediate family, or to a trust for the benefit of any member of Stockholder&#146;s immediate family,
so long as, in each case, prior to and as a condition to the effectiveness of such Transfer, the transferee shall have executed and delivered to the Company a counterpart of this Agreement pursuant to which such transferee shall be bound by all of
the terms and provisions of this Agreement or (ii)&nbsp;in the case of any Stockholder, to any of its Affiliates (including any other Stockholder) that, prior to and as a condition to the effectiveness of such Transfer, shall have executed and
delivered to the Company a counterpart of this Agreement pursuant to which such Affiliate shall be bound by all of the </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">D-2 </P>

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terms and provisions of this Agreement. In the event of any such transfer, <U>Exhibit A-1</U> or <U>A-2</U>, as applicable, shall be updated accordingly. The Stockholder and its Affiliates may
also enter into any contract, agreement or arrangement, or mortgage, pledge or encumber any or all of the Stockholder Shares or Company Warrants, in each case in connection with any <I>bona fide </I>lending transaction or arrangement (a
&#147;<U>Permitted Transaction</U>&#148;) if such Stockholder or Affiliate retains the right to vote or consent to, or cause to be voted or consented to, all such Stockholder Shares or Company Warrants as provided in Section&nbsp;1(a) during the
term of such Permitted Transaction. The Parties acknowledge and agree that nothing in this Agreement shall restrict enforcement or the exercise of any remedies (including a foreclosure) with respect to any such Permitted Transaction. Any Transfer in
violation of the foregoing shall be null and void ab initio. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(c)&nbsp;&nbsp;&nbsp;&nbsp;<U>Information for Proxy
Statement; Publication</U>. </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:9%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(i)&nbsp;&nbsp;&nbsp;&nbsp;The Stockholder consents to the Company, Parent and Merger Sub
publishing and disclosing in any filing required under applicable Law, including the filings contemplated by the Merger Agreement, the Stockholder&#146;s identity and ownership of Shares and Company Warrants and the nature of the Stockholder&#146;s
commitments, arrangements and understandings under this Agreement, in each case, to the extent required by applicable Law. The Stockholder agrees to permit the Company, Parent and Merger Sub to publish and disclose in the Proxy Statement or any
other disclosure document required in connection with the Merger Agreement or the transactions contemplated by the Merger Agreement the Stockholder&#146;s identity and beneficial ownership of the Shares and the nature of the Stockholder&#146;s
commitments under this Agreement, in each case to the extent required by applicable Law. Notwithstanding the foregoing, any such publication or disclosure, including in the Proxy Statement or any other filing to or submission with the SEC or any
other Governmental Entity (including, without limitation, Form 8-K), described in this Section&nbsp;1(c)(i) shall, in each instance, be subject to such Stockholder&#146;s prior review and comment. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:9%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(ii)&nbsp;&nbsp;&nbsp;&nbsp;Except as required by applicable Law, the Stockholder shall not, and shall direct its Affiliates
not to, issue any press release or make any other public statement with respect to this Agreement, the Merger Agreement or the transactions contemplated by the Merger Agreement without the prior written consent of Parent (not to be unreasonably
withheld, conditioned or delayed). </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(d)&nbsp;&nbsp;&nbsp;&nbsp;<U>Waiver of Appraisal Rights</U>. The Stockholder
irrevocably and unconditionally waives, and agrees not to exercise, all appraisal rights under Section&nbsp;262 of the DGCL (and any other appraisal, dissenters&#146; or similar rights) related to the transactions contemplated by the Merger
Agreement with respect to the Stockholder Shares to the fullest extent permitted by Law. </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(e)&nbsp;&nbsp;&nbsp;&nbsp;<U>No
Solicitation of Transactions</U>. Except to the same extent that the Company, the Company Board or any of their Representatives is permitted to engage in, or take, any of the following activities pursuant to Section&nbsp;5.4 of the Merger Agreement,
the Stockholder (in his capacity as a stockholder) shall not, and shall direct its Affiliates and its and its Affiliates&#146; Representatives not to, directly or indirectly: (i)&nbsp;initiate, solicit or knowingly encourage (including by providing
information) any inquiries, proposals or offers with respect to, or the making or completion of, an Acquisition Proposal or the making of any proposal that would reasonably be expected to lead to an Acquisition Proposal; (ii)&nbsp;furnish any
nonpublic information regarding the Company or any of its Subsidiaries or afford access to the business, properties, assets, employees, consultants, books or records of the Company or any of its Subsidiaries to any Person that, to the knowledge of
such Stockholder, is reasonably expected to make, or is otherwise seeking to make, or has made, an Acquisition Proposal; or (iii)&nbsp;engage or participate in any negotiations or discussions concerning, or knowingly provide or cause to be provided
any non-public information or data relating to the Company or any of its Subsidiaries in connection with, an Acquisition Proposal. Notwithstanding anything in this Section&nbsp;1(c) to the contrary, at and subject to the direction of the Company
Board, the Stockholder may participate in discussions and negotiations with, and furnish information and data to, any Person with whom the Company Board has determined to engage in discussions and negotiations, and with whom the Company Board is
then engaging in discussions and negotiations, in each case pursuant to and in compliance with Section&nbsp;5.4 of the Merger Agreement. </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">D-3 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">2.&nbsp;&nbsp;&nbsp;&nbsp;<U>Representations and Warranties of the Stockholder</U>. The
Stockholder represents and warrants to Parent as follows: </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(a)&nbsp;&nbsp;&nbsp;&nbsp;<U>Authority</U>. Such Stockholder
has all necessary power and authority to execute and deliver this Agreement and to perform its obligations under this Agreement. This Agreement has been duly executed and delivered by such Stockholder. Assuming due and valid authorization, the
execution and delivery of this Agreement by Parent, constitutes a legal, valid and binding obligation of such Stockholder, enforceable against such Stockholder in accordance with its terms (except to the extent that enforceability may be limited by
applicable bankruptcy, insolvency, moratorium, reorganization or similar Laws affecting the enforcement of creditors&#146; rights generally or by general principles of equity). </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(b)&nbsp;&nbsp;&nbsp;&nbsp;<U>Consents and Approvals; No Violations</U>. Other than such filings as, if not made, obtained or
given, would not reasonably be expected to prevent or materially delay the performance by such Stockholder of any of its obligations under this Agreement: (i)&nbsp;no consent, approval, authorization or permit of, action by, or filing by such
Stockholder with or notification by such Stockholder to, any Governmental Entity or any other Person is required in connection with the execution, delivery and performance of this Agreement by such Stockholder; and (ii)&nbsp;no consents,
registrations, approvals, permits or authorizations are required to be obtained by such Stockholder from any Governmental Entity or any other Person in connection with the execution, delivery and performance of this Agreement by such Stockholder,
except in the case of both clause (i)&nbsp;and (ii) as may be required under applicable securities Laws and for the written consent of the Company Board to the execution and delivery by the Stockholder of this Agreement and the performance by the
Stockholder of his obligations under this Agreement, including for purposes of Article II of the Stockholders&#146; Agreement, received by the Stockholder on or before the date of this Agreement (the &#147;<U>Company Board Consent</U>&#148;).
Assuming the accuracy of the representations and warranties of the Company set forth in the Merger Agreement, the execution, delivery and performance of this Agreement by such Stockholder does not, and the consummation by such Stockholder of the
transactions contemplated by this Agreement will not, result in a violation or breach of, or constitute (with or without due notice or lapse of time or both) a default (or give rise to any right of termination, cancellation, modification or
acceleration) (whether after the giving of notice or the passage of time or both) under any contract, agreement, arrangement or commitment to which such Stockholder is a party or which is binding on it or its assets, and will not result in the
creation of any Lien on any of the assets or properties of such Stockholder (other than the Stockholder Shares pursuant to the terms of this Agreement), except for such violations, breaches, defaults, terminations, cancellations, modifications,
accelerations or Liens as would not reasonably be expected to prevent or materially delay the performance by such Stockholder of any of its obligations under this Agreement. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(c)&nbsp;&nbsp;&nbsp;&nbsp;<U>Organization, Standing and Power</U>. (i)&nbsp;the execution and delivery of this Agreement by
the Stockholder, the performance of the Stockholder&#146;s obligations under this Agreement, and the consummation of the transactions contemplated by this Agreement have been duly authorized by all necessary action on the part of the Stockholder. No
other consents or authorizations on the part of the Stockholder are necessary to authorize this Agreement or to consummate the transactions contemplated by this Agreement. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(d)&nbsp;&nbsp;&nbsp;&nbsp; <U>Ownership of Stockholder Shares; Claims Against the Company</U>. As of the date of this
Agreement, such Stockholder owns, beneficially, all of the Stockholder Shares and Company Warrants set forth opposite such Stockholder&#146;s name on <U>Exhibits A-1</U> and <U>A-2</U>, respectively, free and clear of any proxy, voting restriction,
adverse claim or other Lien (other than: (i)&nbsp;under this Agreement; (ii)&nbsp;under the applicable securities Laws; (iii)&nbsp;as set forth on <U>Exhibit A-1</U> or <U>A-2</U>; (iv) under the Stockholders&#146; Agreement; or (vi)&nbsp;as would
not reasonably be expected to prevent or materially delay the performance by such Stockholder of any of its obligations under this Agreement). Without limiting the foregoing, as of the date of this Agreement, except as set forth on <U>Exhibit
A-1</U> or <U>A-2</U>, in the Stockholders&#146; Agreement, or in any Schedule 13D (or any amendment to any Schedule 13D) filed with the SEC by or on behalf of the Stockholder or any of his Affiliates on or before the date of this Agreement, such
Stockholder has sole voting power and sole power of disposition with respect to all Stockholder Shares set forth opposite such Stockholder&#146;s name on <U>Exhibit A-1</U>, with no restrictions on such Stockholder&#146;s rights of voting or
disposition pertaining to such </P>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman">
Stockholder Shares. As of the date of, and other than pursuant to, this Agreement, no Person other than such Stockholder has any right to direct or approve the voting or disposition of any
Stockholder Shares of such Stockholder. As of the date of this Agreement, none of such Stockholder or, to the knowledge of such Stockholder, any of its Affiliates owns, beneficially or of record, any securities of the Company other than the
Stockholder Shares and Company Warrants set forth on <U>Exhibit A- 1</U> and <U>A-2</U>, respectively, and Company Equity Awards (or Shares issued in lieu of Company Equity Awards). Except as set forth on <U>Exhibit A-1</U> or <U>A-2</U>, as of the
date of this Agreement such Stockholder holds no (1)&nbsp;shares of capital stock or other voting securities of the Company, (2)&nbsp;securities or interests of the Company or any of its Subsidiaries convertible into or exchangeable for shares of
capital stock or voting securities of the Company or any of its Subsidiaries, (3)&nbsp;options, warrants or other rights to acquire from the Company or any of its Subsidiaries any capital stock, voting securities or securities or interests
convertible into or exchangeable for capital stock or voting securities of the Company or any of its Subsidiaries, (4)&nbsp;options, calls, warrants or other rights, agreements, arrangements or commitments of any character relating to capital stock
of the Company or any of its Subsidiaries to which the Company or any of its Subsidiaries is a party or is bound, or (5)&nbsp;restricted shares, restricted stock units, stock appreciation rights, performance shares, profit participation rights,
contingent value rights, stock appreciation, phantom stock, profit participation or similar rights with respect to the securities of the Company or any of its Subsidiaries to which the Company or any of its Subsidiaries is a party or is bound. As of
the date of this Agreement, to the knowledge of such Stockholder, neither the Company nor any of its Subsidiaries is in breach of any agreement to which such Stockholder is a party that would give rise to any claim, cause of action, demand, suit,
debt or lien against the Company or any of its Subsidiaries. </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(e)&nbsp;&nbsp;&nbsp;&nbsp;<U>Brokers</U>. Except as set
forth in the Merger Agreement, no broker, investment banker, financial advisor or other Person is entitled to any broker&#146;s, finder&#146;s, financial advisor&#146;s or other similar fee or commission that is payable by the Company or any of its
Subsidiaries in connection with the transactions contemplated by the Merger Agreement based upon arrangements made by or on behalf of such Stockholder or any of its Affiliates. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">3.&nbsp;&nbsp;&nbsp;&nbsp;<U>Representations and Warranties of Parent</U>. Parent represents and warrants to the Stockholder as follows: </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(a)&nbsp;&nbsp;&nbsp;&nbsp; <U>Authority</U>. Parent has all necessary power and authority to execute and deliver this
Agreement and to perform its obligations under this Agreement. This Agreement has been duly executed and delivered by Parent. Assuming due and valid authorization, execution and delivery of this Agreement by the Stockholder, this Agreement
constitutes a legal, valid and binding obligation of Parent, enforceable against Parent in accordance with its terms (except to the extent that enforceability may be limited by applicable bankruptcy, insolvency, moratorium, reorganization or similar
Laws affecting the enforcement of creditors&#146; rights generally or by general principles of equity). </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(b)&nbsp;&nbsp;&nbsp;&nbsp;<U>Consents and Approvals; No Violations</U>. Other than such filings as, if not made, obtained or
given, would not reasonably be expected to prevent or materially delay the performance by Parent of any of its obligations under this Agreement, (i)&nbsp;no consent, approval, authorization or permit of, action by, or filing by Parent with or
notification by Parent to, any Governmental Entity or any other Person is required in connection with the execution, delivery and performance of this Agreement by Parent; and (ii)&nbsp;no consents, registrations, approvals, permits or authorizations
are required to be obtained by Parent from any Governmental Entity or any other Person in connection with the execution, delivery and performance of this Agreement by Parent. The execution, delivery and performance of this Agreement by Parent does
not, and the consummation by Parent of the transactions contemplated by this Agreement will not, result in a violation or breach of, or constitute (with or without due notice or lapse of time or both) a default (or give rise to any right of
termination, cancellation, modification or acceleration) (whether after the giving of notice or the passage of time or both) under any contract, agreement, arrangement or commitment to which Parent is a party or which is binding on it or its assets
and will not result in the creation of any Lien on any of the assets or properties of Parent, except for such violations, breaches, defaults, terminations, cancellations, modifications, accelerations or Liens as would not reasonably be expected to
prevent or materially delay the performance by Parent of any of its obligations under this Agreement. </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">D-5 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(c) &nbsp;&nbsp;&nbsp;&nbsp;<U>Organization, Standing and Power</U>. Parent
is duly organized, validly existing and in good standing in accordance with the Laws of the State of Florida. The execution and delivery of this Agreement by&nbsp;&nbsp;&nbsp;&nbsp;Parent, the performance of Parent&#146;s obligations under this
Agreement, and the consummation of the transactions contemplated by this Agreement have been duly authorized by all necessary action on the part of Parent and no other consents or authorizations on the part of Parent are necessary to authorize this
Agreement or to consummate the transactions contemplated by this Agreement. </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(d) &nbsp;&nbsp;&nbsp;&nbsp;<U>No Other
Representations</U>. On behalf of itself, its Subsidiaries, their respective Affiliates, and the Representatives of each of the foregoing, Parent acknowledges and agrees that, except for the representations and warranties of the Stockholder
expressly set forth in Section&nbsp;2 of this Agreement, none of the Stockholder or his Affiliates or Representatives have made, and none of Parent, its Subsidiaries, any of their respective Affiliates or any Representative of any of the foregoing
has relied on, any representation or warranty made by or on behalf of any of the Stockholder or any of his Affiliates regarding the Stockholder, the Company, its business, the sufficiency of the representations and warranties set forth in this
Agreement or in the Merger Agreement or any other matter in connection the entry by Parent and its Subsidiaries into this Agreement, the Merger Agreement and the other agreements contemplated by this Agreement and the Merger Agreement and their
respective agreements to consummate the transactions contemplated by this Agreement and the Merger Agreement. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">4.
&nbsp;&nbsp;&nbsp;&nbsp;<U>Termination</U>. This Agreement shall terminate, and no party to this Agreement will have any further obligation to the other parties to this Agreement upon the first to occur of: (a)&nbsp;the valid termination of the
Merger Agreement in accordance with its terms (&#147;<U>Merger Agreement Termination</U>&#148;); (b) the Effective Time; or (c)&nbsp;any modification, waiver or amendment to any provision of the Merger Agreement that is effected without the
Stockholder&#146;s prior written consent and that (x)&nbsp;reduces the amount or changes the form or type of the Merger Consideration, reduces, or imposes any conditions, requirements or restrictions on, the Stockholder&#146;s right to receive the
consideration payable to such Stockholder, or that materially delays the timing of any such payment, in each case, pursuant to the Merger Agreement as in effect on the date of this Agreement, or (y)&nbsp;otherwise adversely affects the interests of
the Stockholder in any material respect (such earliest date being referred to in this Agreement as the &#147;<U>Agreement</U> <U>Termination Date</U>&#148;). Nothing in this Agreement shall (A)&nbsp;relieve the Stockholder from liability for any
Willful Breach of this Agreement occurring prior to such termination or (B)&nbsp;restrict or prohibit Parent, its Representatives or Affiliates from asserting, in any action or proceeding brought or claims asserted by such Stockholder relating to
this Agreement or the transactions contemplated hereby, any defenses arising from any inaccuracy in any of such Stockholder&#146;s representations in Section 2(d). In addition, the provisions of this Section&nbsp;4, Section&nbsp;6, and
Section&nbsp;8 of this Agreement shall survive any termination of this Agreement. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">5. &nbsp;&nbsp;&nbsp;&nbsp;<U>No Obligation to
Exercise</U>. No provision of this Agreement shall require the Stockholder, any of his Affiliates, or any Representatives of any of the foregoing to exercise any Pre-Funded Warrants, Anti-Dilution Warrants, other Company Warrants or any other
option, warrant, convertible security or other security or contractual right convertible into Shares. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">6. &nbsp;&nbsp;&nbsp;&nbsp;<U>No
Legal Action</U>. The Stockholder shall not bring, commence, institute, maintain or prosecute any claim, appeal, or proceeding which (a)&nbsp;challenges the validity of or seeks to enjoin the operation of any provision of this Agreement or
(b)&nbsp;alleges that the execution and delivery of this Agreement by the Stockholder (or their performance under this Agreement solely in the capacity as a stockholder of the Company) breaches any fiduciary duty of the Company Board (or any member
of the Company Board) or any duty that the Stockholder has (or may be alleged to have) to the Company or to the other holders of Shares. Notwithstanding the foregoing, nothing in this Section&nbsp;6 shall restrict or prohibit the Stockholder, their
Representatives or their Affiliates from participating as a defendant, or asserting counterclaims or defenses, in any action or proceeding brought or claims asserted against the Stockholder or any of his Representatives or Affiliates relating to
this Agreement, the Merger Agreement or the transactions contemplated by this Agreement or the Merger Agreement, or from enforcing their respective rights under this Agreement or the Merger Agreement. Parent shall not, directly or
</P>
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indirectly, assert any claim that any action taken by the Stockholder or any of his Representatives or Affiliates breaches any fiduciary duty of the Company Board (or any member of the Company
Board) or any duty that such Stockholder has (or may be alleged to have) to the Company or to the other holders of Shares. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">7.&nbsp;&nbsp;&nbsp;&nbsp;<U>Miscellaneous</U>. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(a)&nbsp;&nbsp;&nbsp;&nbsp; <U>Action in Stockholder Capacity Only</U>. The parties acknowledge that this Agreement is entered
into by the Stockholder solely in its capacity as a direct or indirect owner of the Stockholder Shares and Company Warrants. Nothing in this Agreement shall in any way restrict or limit the ability of such Stockholder or any Affiliate of such
Stockholder who is a director of the Company from taking any action in his capacity as a director of the Company, including the exercise of fiduciary duties to the Company and its Stockholders. Nothing in this Agreement shall restrict or limit the
Company from taking any actions that are otherwise permitted by the Merger Agreement, including with respect to a Superior Proposal. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(b)&nbsp;&nbsp;&nbsp;&nbsp;<U>Expenses</U>. Except as otherwise expressly provided in this Agreement, all costs and expenses
incurred in connection with the transactions contemplated by this Agreement shall be paid by the party incurring such costs and expenses. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(c)&nbsp;&nbsp;&nbsp;&nbsp;<U>Definitions and Interpretation</U>. For purposes of this Agreement: </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:9%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(i)&nbsp;&nbsp;&nbsp;&nbsp; None of the Stockholder or any of his Affiliates or Affiliated Funds shall be deemed to be an
&#147;Affiliate&#148; of the Company or any of its direct and indirect Subsidiaries. No &#147;portfolio company&#148; (as such term is customarily used in the private equity industry) of any Affiliated Fund of the Stockholder shall be deemed to be
an Affiliate of such Stockholder unless such &#147;portfolio company&#148; is a Controlled Affiliate; </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:9%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(ii)&nbsp;&nbsp;&nbsp;&nbsp; &#147;Affiliated Fund&#148; in relation to the Stockholder shall mean any investment fund, vehicle
or account the investment advisor to or manager of which is such Stockholder&#146;s investment advisor or manager or an Affiliate thereof; </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:9%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(iii)&nbsp;&nbsp;&nbsp;&nbsp; &#147;beneficial ownership&#148; with respect to (or to &#147;own beneficially&#148;) any
securities shall mean having &#147;beneficial ownership&#148; of such securities (as determined pursuant to Rule 13d-3 under the Exchange Act), including pursuant to any agreement, arrangement or understanding, whether or not in writing, without
regard to the 60-day limitation in Rule 13d-3(d)(1)(i); and </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:9%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(iv)&nbsp;&nbsp;&nbsp;&nbsp; &#147;Controlled Affiliate&#148;
with respect to the Stockholder shall mean any other Person that, directly or indirectly, controls or is controlled by or is under common control with such Stockholder, where such control includes, directly or indirectly, either: (i)&nbsp;an amount
of the voting securities, other voting ownership or voting partnership interests of which is sufficient to elect at least a majority of its board of directors or other governing Person or body; or (ii)&nbsp;more than fifty (50%) percent of the
equity interests of which is owned directly or indirectly by such first Person. </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(d)&nbsp;&nbsp;&nbsp;&nbsp;<U>Entire
Agreement; No Third Party Beneficiaries</U>. This Agreement, the Merger Agreement and each of the documents, instruments and agreements delivered in connection with the transactions contemplated by the Merger Agreement constitute the entire
agreement, and supersedes all prior agreements and understandings, both written and oral, among the parties, or any of them, with respect to the subject matter of this Agreement. This Agreement is not intended to and shall not confer upon any Person
other than the parties to this Agreement any rights under this Agreement. </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(e)&nbsp;&nbsp;&nbsp;&nbsp; <U>Assignment;
Binding Effect</U>. Except as otherwise specifically provided in this Agreement, neither this Agreement nor any of the rights, interests or obligations under this Agreement shall be assigned by any of the parties to this Agreement without the prior
written consent of the other parties. Subject to the preceding sentence, this Agreement shall be binding upon and shall inure to the benefit of the parties to this Agreement and their respective successors and permitted assigns. Any purported
assignment not permitted under this Section&nbsp;8 shall be null and void. </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">D-7 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(f)&nbsp;&nbsp;&nbsp;&nbsp; <U>Amendments; Waiver</U>. This Agreement may
not be amended or supplemented, except by a written agreement executed by the Stockholder and Parent. No failure or delay by a party in exercising any right under this Agreement shall operate as a waiver of such right nor shall any single or partial
exercise of such right preclude any other or further exercise of such right or the exercise of any other right under this Agreement. Any agreement on the part of a party to this Agreement to any such extension or waiver shall be valid only if set
forth in an instrument in writing signed on behalf of such party. </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(g)&nbsp;&nbsp;&nbsp;&nbsp; <U>Severability</U>. If any
term or other provision of this Agreement is determined by a court of competent jurisdiction to be invalid, illegal or incapable of being enforced by any rule of applicable Law or public policy, all other terms, provisions and conditions of this
Agreement shall nevertheless remain in full force and effect. Upon such determination that any term or other provision is invalid, illegal or incapable of being enforced, the parties to this Agreement shall negotiate in good faith to modify this
Agreement so as to effect the original intent of the parties as closely as possible to the fullest extent permitted by applicable Law in an acceptable manner to the end that the transactions contemplated by this Agreement are fulfilled to the extent
possible. </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(h)&nbsp;&nbsp;&nbsp;&nbsp; <U>Counterparts</U>. This Agreement may be executed in two or more separate
counterparts, each of which shall be deemed to be an original but all of which taken together shall constitute one and the same agreement. This Agreement shall become effective when each party to this Agreement shall have received counterparts of
this Agreement signed by the other parties to this Agreement. </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(i)&nbsp;&nbsp;&nbsp;&nbsp;<U>Descriptive Headings</U>.
Headings of sections and subsections of this Agreement are for convenience of the parties only, and shall be given no substantive or interpretive effect whatsoever. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(j)&nbsp;&nbsp;&nbsp;&nbsp;<U>Notices</U>. All notices and other communications among the parties to this Agreement shall be in
writing and shall be deemed to have been duly given (a) when delivered in person, (b)&nbsp;when delivered after posting in the United States mail having been sent registered or certified mail return receipt requested, postage prepaid, (c)&nbsp;when
delivered by FedEx or other nationally recognized overnight delivery service or (d)&nbsp;when delivered by facsimile (solely if receipt is confirmed) or email (so long as the sender of such email does not receive an automatic reply from the
recipient&#146;s email server indicating that the recipient did not receive such email), addressed as follows: </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman">if to Parent, to: </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:9%; text-indent:4%; font-size:10pt; font-family:Times New Roman">MasTec, Inc. </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:9%; text-indent:4%; font-size:10pt; font-family:Times New Roman">800 S. Douglas Road, 12th Floor </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:9%; text-indent:4%; font-size:10pt; font-family:Times New Roman">Coral Gables, Florida 33134 </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:9%; text-indent:4%; font-size:10pt; font-family:Times New Roman">Attention: Alberto de Cardenas </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:9%; text-indent:4%; font-size:10pt; font-family:Times New Roman">E-mail: albert.cardenas@mastec.com </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:9%; text-indent:4%; font-size:10pt; font-family:Times New Roman">with a copy (which shall not constitute notice) to: </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:9%; text-indent:4%; font-size:10pt; font-family:Times New Roman">Fried, Frank, Harris, Shriver&nbsp;&amp; Jacobson LLP </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:9%; text-indent:4%; font-size:10pt; font-family:Times New Roman">One New York Plaza </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:9%; text-indent:4%; font-size:10pt; font-family:Times New Roman">New York, NY 10004 </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:9%; text-indent:4%; font-size:10pt; font-family:Times New Roman">Attention: Philip Richter; Maxwell Yim </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:9%; text-indent:4%; font-size:10pt; font-family:Times New Roman">E-mail: philip.richter@friedfrank.com </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:15%; text-indent:4%; font-size:10pt; font-family:Times New Roman">&nbsp;maxwell.yim@friedfrank.com </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman">if to the Stockholder, to: </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:13%; font-size:10pt; font-family:Times New Roman">C/o:
Infrastructure and Energy Alternatives, Inc. </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:13%; font-size:10pt; font-family:Times New Roman">6325 Digital Way, Suite 460 </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:13%; font-size:10pt; font-family:Times New Roman">Indianapolis, Indiana 46278 </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:13%; font-size:10pt; font-family:Times New Roman">Attention: Erin Roth </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:13%; font-size:10pt; font-family:Times New Roman">E-mail:
Erin.Roth@iea.net </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">D-8 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:13%; font-size:10pt; font-family:Times New Roman">with a copy (which shall not constitute notice) to: </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:13%; font-size:10pt; font-family:Times New Roman">Gibson, Dunn&nbsp;&amp; Crutcher LLP </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:13%; font-size:10pt; font-family:Times New Roman">200 Park Avenue </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:13%; font-size:10pt; font-family:Times New Roman">New York, NY
10166 </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:13%; font-size:10pt; font-family:Times New Roman">Attention: Barbara L. Becker; Saee M. Muzumdar; Andrew Kaplan </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:13%; font-size:10pt; font-family:Times New Roman">E-mail: bbecker@gibsondunn.com; </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:20%; font-size:10pt; font-family:Times New Roman">&nbsp;smuzumdar@gibsondunn.com; </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:20%; font-size:10pt; font-family:Times New Roman">&nbsp;akaplan@gibsondunn.com </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman">or
to such other address or facsimile number as the parties to this Agreement may from time to time designate in writing. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(k)&nbsp;&nbsp;&nbsp;&nbsp; <U>Drafting</U>. The parties to this Agreement have participated jointly in the negotiation and
drafting of this Agreement and, in the event an ambiguity or question of intent or interpretation arises, this Agreement shall be construed as jointly drafted by the parties to this Agreement and no presumption or burden of proof shall arise
favoring or disfavoring any party by virtue of the authorship of any provision of this Agreement. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(l)&nbsp;&nbsp;&nbsp;&nbsp;<U>Governing Law; Enforcement; Jurisdiction; Waiver of Jury Trial</U>. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:9%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(i)&nbsp;&nbsp;&nbsp;&nbsp; This Agreement shall be governed by, and construed in accordance with, the Laws of the State of
Delaware, regardless of the laws that might otherwise govern under any applicable principles of conflicts of laws of the Laws of the State of Delaware. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:9%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(ii)&nbsp;&nbsp;&nbsp;&nbsp; EACH OF THE PARTIES TO THIS AGREEMENT IRREVOCABLY WAIVES TO THE EXTENT PERMITTED BY APPLICABLE LAW
ANY AND ALL RIGHT TO A TRIAL BY JURY IN ANY ACTION, PROCEEDING OR COUNTERCLAIM ARISING OUT OF OR RELATING TO THIS AGREEMENT, THE MERGER AGREEMENT AND THE TRANSACTIONS CONTEMPLATED IN THE MERGER AGREEMENT (INCLUDING ANY LEGAL PROCEEDING AGAINST OR
INVOLVING ANY DEBT FINANCING SOURCES OR ANY OF THEIR RESPECTIVE AFFILIATES ARISING OUT OF THE MERGER AGREEMENT OR THE DEBT FINANCING). EACH PARTY (A)&nbsp;MAKES THIS WAIVER VOLUNTARILY; AND (B)&nbsp;ACKNOWLEDGES THAT SUCH HAS BEEN INDUCED TO ENTER
INTO THIS AGREEMENT BY, AMONG OTHER THINGS, THE MUTUAL WAIVERS CONTAINED IN THIS SECTION 7(l). </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:9%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(iii)&nbsp;&nbsp;&nbsp;&nbsp; The parties to this Agreement acknowledge and agree that irreparable damage would occur in the
event that any of the provisions of this Agreement were not performed in accordance with their specific terms or were otherwise breached, and that monetary damages, even if available, would not be an adequate remedy therefor. It is accordingly
agreed that the parties to this Agreement shall be entitled to seek an injunction or injunctions to prevent breaches of this Agreement and to enforce specifically the performance of the terms and provisions of this Agreement in any court referred to
in clause (iv)&nbsp;below, without proof of actual damages (and each party waives any requirement for the securing or posting of any bond in connection with such remedy), this being in addition to any other remedy to which they are entitled at law
or in equity. The parties to this Agreement further agree not to assert that a remedy of specific performance is unenforceable, invalid, contrary to law or inequitable for any reason, nor to assert that remedy of monetary damages would provide an
adequate remedy for any such breach. </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:9%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(iv)&nbsp;&nbsp;&nbsp;&nbsp; In addition, each of the parties to this Agreement
consents to submit itself to the personal jurisdiction of the Delaware Court of Chancery and (solely in the event the Chancery Court declines jurisdiction), any Delaware state court or any federal court located in the State of Delaware (the
&#147;<U>Chosen Courts</U>&#148;) in the event any dispute arises out of this Agreement, the Merger Agreement, or the transactions contemplated by the Merger Agreement. Each of the Parties also agrees: (i)&nbsp;that it will not attempt to deny or
defeat such personal jurisdiction by motion or other request for leave from the </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">D-9 </P>

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Chosen Courts and (ii)&nbsp;that it will not bring any action relating to this Agreement, the Merger Agreement, the transactions contemplated by the Merger Agreement in any court other than the
Chosen Courts (except for actions brought to enforce the judgment of any of the Chosen Courts). </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman">[REMAINDER OF THIS PAGE INTENTIONALLY LEFT
BLANK] </P>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">IN WITNESS WHEREOF, each party hereto has duly executed this Agreement as of the date first
written above. </P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><DIV ALIGN="right">
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<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="94%"></TD></TR>


<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" COLSPAN="3"><B>PARENT:</B></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16" COLSPAN="3"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" COLSPAN="3"><B>MASTEC, INC.</B></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16"></TD>
<TD HEIGHT="16" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">By</TD>
<TD VALIGN="bottom" STYLE=" BORDER-BOTTOM:1px solid #000000">&nbsp;</TD>
<TD VALIGN="top" STYLE="BORDER-BOTTOM:1px solid #000000"> <P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:10pt; font-family:Times New Roman">/s/ George L. Pita</P></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:3.00em; text-indent:-3.00em; font-size:10pt; font-family:Times New Roman">Name:&#8201;&#8202;George L. Pita</P>
<P STYLE="margin-top:0pt; margin-bottom:1pt; margin-left:3.00em; text-indent:-3.00em; font-size:10pt; font-family:Times New Roman">Title:&#8194;&#8201;&#8202;Executive President and Chief Financial Officer</P></TD></TR>
</TABLE></DIV> <P STYLE="font-size:120pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P> <P STYLE="margin-top:380pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><I>[Signature Page to Voting and
Support Agreement (DG)] </I></P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">D-11 </P>

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<TD HEIGHT="16"></TD></TR>
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<TD VALIGN="top" STYLE="BORDER-BOTTOM:1px solid #000000"> <P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:10pt; font-family:Times New Roman"><B>/s/ Derek Glanvill</B></P></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="bottom"><B>Derek Glanvill</B></TD></TR>
</TABLE></DIV> <P STYLE="font-size:120pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P> <P STYLE="margin-top:380pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><I>[Signature Page to Voting and
Support Agreement] </I></P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">D-12 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><U>Exhibit A-1 </U></B></P>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD WIDTH="74%"></TD>

<TD VALIGN="bottom" WIDTH="15%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-bottom:1.00pt solid #000000; display:table-cell; font-size:8pt; font-family:Times New Roman; "><B>Stockholder</B></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>Stockholder&nbsp;Shares</B></TD>
<TD VALIGN="bottom">&nbsp;</TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Derek Glanvill</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">463,514</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
</TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">D-13 </P>

</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>


<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><U>Exhibit A-2 </U></B></P>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="68%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">


<TR>

<TD WIDTH="60%"></TD>

<TD VALIGN="bottom" WIDTH="4%"></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-bottom:1.00pt solid #000000; display:table-cell; font-size:8pt; font-family:Times New Roman; "><B>Stockholder</B></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>Company&nbsp;Warrants</B></TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Derek Glanvill</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP><FONT STYLE="white-space:nowrap">19&nbsp;Anti-Dilution&nbsp;Warrants</FONT><SUP STYLE="font-size:75%; vertical-align:top">1</SUP></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>32,706 Series B Warrants</TD></TR>
</TABLE> <P STYLE="line-height:8.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1px solid #000000;width:11%">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="2%" VALIGN="top" ALIGN="left"><SUP STYLE="font-size:75%; vertical-align:top">1</SUP>&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">2,905 Anti-Dilution Warrants are also expected to be issued to such Stockholder on or prior to the Effective
Time. </P></TD></TR></TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">D-14 </P>

</DIV></Center>


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<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="right"><B><A NAME="annxe"></A>ANNEX&nbsp;E </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="right">July&nbsp;24, 2022 </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">The Board of Directors </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Infrastructure and Energy Alternatives, Inc. </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">6325 Digital Way,
Suite 460 </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Indianapolis, Indiana 46278 </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Dear Members of the
Board: </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">We understand that Infrastructure and Energy Alternatives, Inc., a Delaware corporation (the &#147;Company&#148;), MasTec, Inc., a
Florida corporation (&#147;Parent&#148;), and Indigo Acquisition I Corp., a Delaware corporation and wholly-owned subsidiary of Parent (&#147;Merger Sub&#148;), propose to enter into an Agreement and Plan of Merger (the &#147;Agreement&#148;),
pursuant to which Parent will acquire the Company (the &#147;Transaction&#148;). Pursuant to the Agreement, Merger Sub will be merged with and into the Company and each share of the common stock, par value $0.0001 per share, of the Company
(&#147;Company Common Stock&#148;) issued and outstanding immediately prior to the Effective Time (as defined in the Agreement), other than (i)&nbsp;shares of Company Common Stock held by holders who have not voted in favor of adoption of the
Agreement or consented thereto in writing and are entitled to and properly demand an appraisal of their shares of Company Common Stock and (ii)&nbsp;shares of Company Common Stock held in the treasury of the Company or owned, directly or indirectly,
by Parent, Merger Sub, the Company or any wholly-owned subsidiary of the Company immediately prior to the Effective Time (as defined in the Agreement) (such holders described in clauses (i)&nbsp;and (ii), together with the Supporting Stockholders
(as defined in the Agreement), collectively, &#147;Excluded Holders&#148;), will be converted into the right to receive (i) $10.50 in cash (the &#147;Cash Consideration&#148;) and (ii) 0.0483 of a share of the common stock, par value $0.10 per
share, of Parent (&#147;Parent Common Stock&#148;) (such number of shares so issuable, the &#147;Stock Consideration&#148; and, together with the Cash Consideration, the &#147;Consideration&#148;), without interest. The terms and conditions of the
Transaction are more fully set forth in the Agreement. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">You have requested our opinion as of the date hereof as to the fairness, from a
financial point of view, to holders of Company Common Stock (other than Excluded Holders) of the Consideration to be paid to such holders in the Transaction. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">In connection with this opinion, we have: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="5%" VALIGN="top" ALIGN="left">(i)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Reviewed the financial terms and conditions of a draft, dated July&nbsp;24, 2022, of the Agreement;
</P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="5%" VALIGN="top" ALIGN="left">(ii)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Reviewed certain publicly available historical business and financial information relating to the Company and
Parent; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="5%" VALIGN="top" ALIGN="left">(iii)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Reviewed various financial forecasts and other data provided to us by the Company<B> </B>relating to the
business of the Company, including the financial forecasts identified as the &#147;Prior Management Plan&#148; and the &#147;Updated Management Plan,&#148; and other data provided to us by Parent relating to the business of Parent, including
Parent&#146;s view with respect to potential synergies anticipated by the management of Parent to be realized from the Transaction; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="5%" VALIGN="top" ALIGN="left">(iv)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Held discussions with members of the senior managements of the Company and Parent with respect to the
businesses<B> </B>and prospects of the Company and Parent, respectively, and the potential synergies anticipated by the management of Parent to be realized from the Transaction; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="5%" VALIGN="top" ALIGN="left">(v)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Reviewed public information with respect to certain other companies in lines of business we believe to be
generally relevant in evaluating the businesses of the Company and Parent, respectively; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="5%" VALIGN="top" ALIGN="left">(vi)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Reviewed the financial terms of certain business combinations involving companies in lines of business we
believe to be generally relevant in evaluating the business of the Company; </P></TD></TR></TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">E-1 </P>

</DIV></Center>


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<h5 align="left"><a href="#toc">Table of Contents</a></h5>


<Center><DIV STYLE="width:8.5in" align="left">

 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">The Board of Directors </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Infrastructure and Energy Alternatives, Inc. </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">July 24, 2022 </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"> Page
 2
 </P> <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P>

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<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="5%" VALIGN="top" ALIGN="left">(vii)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Reviewed historical stock prices and trading volumes of Company Common Stock and Parent Common Stock; and
</P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="5%" VALIGN="top" ALIGN="left">(viii)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Conducted such other financial studies, analyses and investigations as we deemed appropriate.
</P></TD></TR></TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">We have assumed and relied upon the accuracy and completeness of the foregoing information, without independent
verification of such information. We have not conducted any independent valuation or appraisal of any of the assets or liabilities (contingent or otherwise) of the Company or Parent or concerning the solvency or fair value of the Company or Parent,
and we have not been furnished with any such valuation or appraisal. Management of the Company has advised us that the Updated Management Plan has been approved by the Board of Directors of the Company and represents the Company&#146;s best
currently available estimates and judgments as to the future financial performance of the Company<B> </B>and, accordingly, at the direction of the Company, we have utilized only the Updated Management Plan for purposes of our analyses in connection
with our evaluation of the Transaction and our opinion. With respect to the financial forecasts utilized in our analyses, we have assumed, with the consent of the Company, that they have been reasonably prepared on bases reflecting the best
currently available estimates and judgments as to the future financial performance of the Company. We assume no responsibility for and express no view as to any such forecasts or the assumptions on which they are based. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Further, our opinion is necessarily based on economic, monetary, market and other conditions as in effect on, and the information made
available to us as of, the date hereof. We further note that the current volatility and disruption in the credit and financial markets relating to, among others, the <FONT STYLE="white-space:nowrap">COVID-19</FONT> pandemic and Russia&#146;s
invasion of Ukraine, may have an effect on the Company and we are not expressing an opinion as to the effects of such volatility or such disruption on the Company. We assume no responsibility for updating or revising our opinion based on
circumstances or events occurring after the date hereof. We do not express any opinion as to the prices at which shares of Company Common Stock or Parent Common Stock may trade at any time subsequent to the announcement of the Transaction. In
addition, our opinion does not address the relative merits of the Transaction as compared to any other transaction or business strategy in which the Company might engage or the merits of the underlying decision by the Company to engage in the
Transaction. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">In rendering our opinion, we have assumed, with the consent of the Company, that the Transaction will be consummated on the
terms described in the Agreement, without any waiver or modification of any material terms or conditions. Representatives of the Company have advised us, and we have assumed, that the Agreement, when executed, will conform to the draft reviewed by
us in all material respects. We also have assumed, with the consent of the Company, that obtaining the necessary governmental, regulatory or third party approvals and consents for the Transaction will not have an adverse effect on the Company or the
Transaction. We do not express any opinion as to any tax or other consequences that might result from the Transaction, nor does our opinion address any legal, tax, regulatory or accounting matters, as to which we understand that the Company obtained
such advice as it deemed necessary from qualified professionals. We express no view or opinion as to any terms or other aspects (other than the Consideration<B> </B>to the extent expressly specified herein) of the Transaction, including, without
limitation, the form or structure of the Transaction or any agreements or arrangements entered into in connection with, or contemplated by, the Transaction, including the Voting Agreements (as defined in the Agreement) between the Supporting
Stockholders and Parent and any consideration payable to any holder of any <FONT STYLE="white-space:nowrap">Pre-Funded</FONT> Warrant, Anti-Dilution Warrant, SPAC Warrant or Series B Warrant (each as defined in the Agreement). In addition, we
express no view or opinion as to the fairness of the amount or nature of, or any other aspects relating to, the compensation to any officers, directors or employees of any parties to the Transaction, or class of such persons, relative to the
Consideration or otherwise. </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">E-2 </P>

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<Center><DIV STYLE="width:8.5in" align="left">

 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">The Board of Directors </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Infrastructure and Energy Alternatives, Inc. </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">July 24, 2022 </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"> Page
 3
 </P> <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P>
 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Lazard Fr&egrave;res&nbsp;&amp; Co. LLC (&#147;Lazard&#148;) is acting as financial advisor
to the Company in connection with the Transaction and will receive a fee for such services, a portion of which is payable quarterly during the term of Lazard&#146;s engagement as financial advisor to the Company in connection with the Transaction
and a substantial portion of which is contingent upon the closing of the Transaction. We in the past have provided and currently are providing certain investment banking services to the Company, and certain of its affiliates, for which we have
received and may receive compensation, including, during the past two years, having advised the Company on certain strategic planning and financial matters. We in the past have provided certain investment banking services to Ares Management, LLC
(together with certain of its affiliates, a substantial stockholder of the Company) and certain of its affiliates (&#147;Ares Management&#148;), for which we have received compensation, including, during the past two years, having been engaged to
advise (i)&nbsp;Ares Management on its announced expansion of its insurance platform through the launch of Aspida Financial Services, LLC and its 2020 announcement of an agreement by Aspida Holdings Ltd. to acquire F&amp;G Reinsurance Ltd,
(ii)&nbsp;Ares Management in connection with the 2020 restructuring of its affiliate, California Resources Corporation, (iii)&nbsp;CS Energy, an affiliate of Ares Management, on its 2021 sale to affiliates of American Securities LLC,
(iv)&nbsp;Neiman Marcus Holding Company, Inc., then an affiliate of Ares Management, on its 2020 Chapter 11 restructuring and (v)&nbsp;on certain other <FONT STYLE="white-space:nowrap">non-public</FONT> engagements in connection with sell-side
transactions, fundraising and restructuring advisory. In addition, in the ordinary course, Lazard and its affiliates and employees may trade securities of the Company,<B> </B>Parent and certain of their respective affiliates for their own accounts
and for the accounts of their customers, may at any time hold a long or short position in such securities, and may also trade and hold securities on behalf of the Company, Parent and certain of their respective affiliates. The issuance of this
opinion was approved by the Opinion Committee of Lazard. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Our engagement and the opinion expressed herein are for the benefit of the Board
of Directors of the Company (in its capacity as such) and our opinion is rendered to the Board of Directors of the Company in connection with its evaluation of the Transaction.<B> </B>Our opinion is not intended to and does not constitute a
recommendation to any stockholder as to how such stockholder should vote or act with respect to the Transaction or any matter relating thereto. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Based on and subject to the foregoing, we are of the opinion that, as of the date hereof, the Consideration to be paid to holders of Company
Common Stock (other than Excluded Holders)<B> </B>in the Transaction is fair, from a financial point of view, to such holders.<B> </B> </P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><DIV ALIGN="right">
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="40%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt">


<TR>

<TD WIDTH="5%"></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="94%"></TD></TR>


<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" COLSPAN="3">Very truly yours,</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16" COLSPAN="3"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" COLSPAN="3">LAZARD FRERES&nbsp;&amp; CO. LLC</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16"></TD>
<TD HEIGHT="16" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">By</TD>
<TD VALIGN="bottom" STYLE=" BORDER-BOTTOM:1px solid #000000">&nbsp;</TD>
<TD VALIGN="top" STYLE="BORDER-BOTTOM:1px solid #000000">/s/ Gregory Hort</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top">Gregory Hort</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top">Managing Director</TD></TR>
</TABLE></DIV>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">E-3 </P>

</DIV></Center>


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<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="right"><B><A NAME="annxf"></A>ANNEX F </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">General Corporation Law of the State of Delaware, Section&nbsp;262 </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">&#167;&nbsp;262 Appraisal rights </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">(a)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Any stockholder of a corporation of this State who holds shares of stock on the date of the making of a demand
pursuant to subsection (d)&nbsp;of this section with respect to such shares, who continuously holds such shares through the effective date of the merger, consolidation, or conversion, who has otherwise complied with subsection (d)&nbsp;of this
section and who has neither voted in favor of the merger, consolidation or conversion nor consented thereto in writing pursuant to &#167;&nbsp;228 of this title shall be entitled to an appraisal by the Court of Chancery of the fair value of the
stockholder&#146;s shares of stock under the circumstances described in subsections (b)&nbsp;and (c) of this section. As used in this section, the word &#147;stockholder&#148; means a holder of record of stock in a corporation; the words
&#147;stock&#148; and &#147;share&#148; mean and include what is ordinarily meant by those words; the words &#147;depository receipt&#148; mean a receipt or other instrument issued by a depository representing an interest in 1 or more shares, or
fractions thereof, solely of stock of a corporation, which stock is deposited with the depository; the words &#147;beneficial owner&#148; mean a person who is the beneficial owner of shares of stock held either in voting trust or by a nominee on
behalf of such person; and the word &#147;person&#148; means any individual, corporation, partnership, unincorporated association or&nbsp;other entity. </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">(b)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Appraisal rights shall be available for the shares of any class or series of stock of a constituent or
converting corporation in a merger, consolidation or conversion to be effected pursuant to &#167;&nbsp;251 (other than a merger effected pursuant to &#167;&nbsp;251(g) of this title), &#167;&nbsp;252, &#167;&nbsp;254, &#167;&nbsp;255,
&#167;&nbsp;256, &#167;&nbsp;257, &#167;&nbsp;258, &#167;&nbsp;263, &#167;&nbsp;264 or &#167;&nbsp;266 of this title (other than, in each case and solely with respect to a domesticated corporation, a merger, consolidation or conversion authorized
pursuant to and in accordance with the provisions of &#167;&nbsp;388 of this title): </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="5%" VALIGN="top" ALIGN="left">(1)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Provided, however, that no appraisal rights under this section shall be available for the shares of any class
or series of stock, which stock, or depository receipts in respect thereof, at the record date fixed to determine the stockholders entitled to receive notice of the meeting of stockholders, or at the record date fixed to determine the stockholders
entitled to consent pursuant to &#167;&nbsp;228 of this title, to act upon the agreement of merger or consolidation or the resolution providing for conversion (or, in the case of a merger pursuant to &#167;&nbsp;251(h) of this title, as of
immediately prior to the execution of the agreement of merger), were either: (i)&nbsp;listed on a national securities exchange or (ii)&nbsp;held of record by more than 2,000&nbsp;holders; and further provided that no appraisal rights shall be
available for any shares of stock of the constituent corporation surviving a merger if the merger did not require for its approval the vote of the stockholders of the surviving corporation as provided in &#167;&nbsp;251(f) of this title.
</P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="5%" VALIGN="top" ALIGN="left">(2)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Notwithstanding paragraph (b)(1) of this section, appraisal rights under this section shall be available for
the shares of any class or series of stock of a constituent or converting corporation if the holders thereof are required by the terms of an agreement of merger or consolidation, or by the terms of a resolution providing for conversion, pursuant to
&#167;&nbsp;251, &#167;&nbsp;252, &#167;&nbsp;254, &#167;&nbsp;255, &#167;&nbsp;256, &#167;&nbsp;257, &#167;&nbsp;258, &#167;&nbsp;263, &#167;&nbsp;264 or &#167;&nbsp;266 of this title to accept for such stock anything except: </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="9%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">a.</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Shares of stock of the corporation surviving or resulting from such merger or consolidation, or of the
converted entity if such entity is a corporation as a result of the conversion, or depository receipts in respect thereof; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="9%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">b.</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Shares of stock of any other corporation, or depository receipts in respect thereof, which shares of stock (or
depository receipts in respect thereof) or depository receipts at the effective date of the merger, consolidation or conversion will be either listed on a national securities exchange or held of record by more than 2,000 holders;
</P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="9%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">c.</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Cash in lieu of fractional shares or fractional depository receipts described in the foregoing paragraphs
(b)(2)a. and b. of this section; or </P></TD></TR></TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">F-1 </P>

</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>


<Center><DIV STYLE="width:8.5in" align="left">

<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="9%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">d.</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Any combination of the shares of stock, depository receipts and cash in lieu of fractional shares or fractional
depository receipts described in the foregoing paragraphs (b)(2)a., b. and c. of this section. </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="5%" VALIGN="top" ALIGN="left">(3)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">In the event all of the stock of a subsidiary Delaware corporation party to a merger effected under
&#167;&nbsp;253 or &#167;&nbsp;267 of this title is not owned by the parent immediately prior to the merger, appraisal rights shall be available for the shares of the subsidiary Delaware corporation. </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="5%" VALIGN="top" ALIGN="left">(4)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">[Repealed.] </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">(c)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Any corporation may provide in its certificate of incorporation that appraisal rights under this section shall
be available for the shares of any class or series of its stock as a result of an amendment to its certificate of incorporation, any merger or consolidation in which the corporation is a constituent corporation, the sale of all or substantially all
of the assets of the corporation or a conversion effected pursuant to &#167;&nbsp;266 of this title. If the certificate of incorporation contains such a provision, the provisions of this section, including those set forth in subsections (d),(e), and
(g)&nbsp;of this section, shall apply as nearly as is practicable. </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">(d)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Appraisal rights shall be perfected as follows: </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="5%" VALIGN="top" ALIGN="left">(1)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">If a proposed merger, consolidation or conversion for which appraisal rights are provided under this section is
to be submitted for approval at a meeting of stockholders, the corporation, not less than 20&nbsp;days prior to the meeting, shall notify each of its stockholders who was such on the record date for notice of such meeting (or such members who
received notice in accordance with &#167;&nbsp;255(c) of this title) with respect to shares for which appraisal rights are available pursuant to subsection (b)&nbsp;or (c) of this section that appraisal rights are available for any or all of the
shares of the constituent corporations or the converting corporation, and shall include in such notice either a copy of this section (and, if 1 of the constituent corporations or the converting corporation is a nonstock corporation, a copy of
&#167;&nbsp;114 of this title) or information directing the stockholders to a publicly available electronic resource at which this section (and, &#167;&nbsp;114 of this title, if applicable) may be accessed without subscription or cost. Each
stockholder electing to demand the appraisal of such stockholder&#146;s shares shall deliver to the corporation, before the taking of the vote on the merger, consolidation or conversion, a written demand for appraisal of such stockholder&#146;s
shares; provided that a demand may be delivered to the corporation by electronic transmission if directed to an information processing system (if any) expressly designated for that purpose in such notice. Such demand will be sufficient if it
reasonably informs the corporation of the identity of the stockholder and that the stockholder intends thereby to demand the appraisal of such stockholder&#146;s shares. A proxy or vote against the merger, consolidation or conversion shall not
constitute such a demand. A stockholder electing to take such action must do so by a separate written demand as herein provided. Within 10 days after the effective date of such merger, consolidation or conversion, the surviving, resulting or
converted entity shall notify each stockholder of each constituent or converting corporation who has complied with this subsection and has not voted in favor of or consented to the merger, consolidation or conversion, and any beneficial owner who
has demanded appraisal under paragraph (d)(3) of this section, of the date that the merger, consolidation or conversion has become effective; or </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="5%" VALIGN="top" ALIGN="left">(2)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">If the merger, consolidation or conversion was approved pursuant to &#167;&nbsp;228, &#167;&nbsp;251(h),
&#167;&nbsp;253, or &#167;&nbsp;267 of&nbsp;this title, then either a constituent or converting corporation before the effective date of the merger, consolidation or conversion, or the surviving, resulting or converted entity within 10 days after
such effective date, shall notify each stockholder of any class or series of stock of such constituent or converting corporation who is entitled to appraisal rights of the approval of the merger, consolidation or conversion and that appraisal rights
are available for any or all shares of such class or series of stock of such constituent or converting corporation, and shall include in such notice either a copy of this section (and, if 1 of the constituent corporations or the converting
corporation is a nonstock corporation, a copy of &#167;&nbsp;114 of this title) or information directing the stockholders to a publicly available electronic resource at which this section (and &#167;&nbsp;114 of this title, if applicable) may be
accessed without subscription or cost. Such notice may, and, if given on or after the effective date of </P></TD></TR></TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">F-2 </P>

</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>


<Center><DIV STYLE="width:8.5in" align="left">

<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="9%">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top">
the merger, consolidation or conversion, shall, also notify such stockholders of the effective date of the merger, consolidation or conversion. Any stockholder entitled to appraisal rights may,
within 20&nbsp;days after the date of giving such notice or, in the case of a merger approved pursuant to &#167;&nbsp;251(h) of this title, within the later of the consummation of the offer contemplated by &#167;&nbsp;251(h) of this title and
20&nbsp;days after the date of giving such notice, demand in writing from the surviving or resulting entity the appraisal of such holder&#146;s shares; provided that a demand may be delivered to such entity by electronic transmission if directed to
an information processing system (if any) expressly designated for that purpose in such notice. Such demand will be sufficient if it reasonably informs such entity of the identity of the stockholder and that the stockholder intends thereby to demand
the appraisal of such holder&#146;s shares. If such notice did not notify stockholders of the effective date of the merger, consolidation or conversion, either (i)&nbsp;each such constituent corporation or the converting corporation shall send a
second notice before the effective date of the merger, consolidation or conversion notifying each of the holders of any class or series of stock of such constituent or converting corporation that are entitled to appraisal rights of the effective
date of the merger, consolidation or conversion or (ii)&nbsp;the surviving, resulting or converted entity shall send such a second notice to all such holders on or within 10&nbsp;days after such effective date; provided, however, that if such second
notice is sent more than 20&nbsp;days following the sending of the first notice or, in the case of a merger approved pursuant to &#167;&nbsp;251(h) of this title, later than the later of the consummation of the offer contemplated by
&#167;&nbsp;251(h) of this title and 20&nbsp;days following the sending of the first notice, such second notice need only be sent to each stockholder who is entitled to appraisal rights and who has demanded appraisal of such holder&#146;s shares in
accordance with this subsection and any beneficial owner who has demanded appraisal under paragraph (d)(3) of this section. An affidavit of the secretary or assistant secretary or of the transfer agent of the corporation or entity that is required
to give either notice that such notice has been given shall, in the absence of fraud, be prima facie evidence of the facts stated therein. For purposes of determining the stockholders entitled to receive either notice, each constituent corporation
or the converting corporation may fix, in advance, a record date that shall be not more than 10&nbsp;days prior to the date the notice is given, provided, that if the notice is given on or after the effective date of the merger, consolidation or
conversion, the record date shall be such effective date. If no record date is fixed and the notice is given prior to the effective date, the record date shall be the close of business on the day next preceding the day on which the notice is given.
</TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="5%" VALIGN="top" ALIGN="left">(3)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Notwithstanding subsection (a)&nbsp;of this section (but subject to this paragraph (d)(3)), a beneficial owner
may, in such person&#146;s name, demand in writing an appraisal of such beneficial owner&#146;s shares in accordance with either paragraph (d)(1) or (2)&nbsp;of this section, as applicable; provided that (i)&nbsp;such beneficial owner continuously
owns such shares through the effective date of the merger, consolidation or conversion and otherwise satisfies the requirements applicable to a stockholder under the first sentence of subsection (a)&nbsp;of this section and (ii)&nbsp;the demand made
by such beneficial owner reasonably identifies the holder of record of the shares for which the demand is made, is accompanied by documentary evidence of such beneficial owner&#146;s beneficial ownership of stock and a statement that such
documentary evidence is a true and correct copy of what it purports to be, and provides an address at which such beneficial owner consents to receive notices given by the surviving, resulting or converted entity hereunder and to be set forth on the
verified list required by subsection (f)&nbsp;of this section. </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">(e)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Within 120&nbsp;days after the effective date of the merger, consolidation or conversion, the surviving,
resulting or converted entity, or any person who has complied with subsections (a)&nbsp;and (d) of this section hereof and who is otherwise entitled to appraisal rights, may commence an appraisal proceeding by filing a petition in the Court of
Chancery demanding a determination of the value of the stock of all such stockholders. Notwithstanding the foregoing, at any time within 60 days after the effective date of the merger, consolidation or conversion, any person entitled to appraisal
rights who has not commenced an appraisal proceeding or joined that proceeding as a named party shall have the right to withdraw such person&#146;s demand for appraisal and to accept the terms offered upon the merger, consolidation or conversion.
Within 120&nbsp;days after the effective date of the merger, consolidation or conversion, any person who has complied </P></TD></TR></TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">F-3 </P>

</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>


<Center><DIV STYLE="width:8.5in" align="left">

<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top">
with the requirements of subsections (a)&nbsp;and (d) of this section hereof, upon request given in writing (or by electronic transmission directed to an information processing system (if any)
expressly designated for that purpose in the notice of appraisal), shall be entitled to receive from the surviving, resulting or converted entity a statement setting forth the aggregate number of shares not voted in favor of the merger,
consolidation or conversion (or, in the case of a merger approved pursuant to &#167;&nbsp;251(h) of this title, the aggregate number of shares (other than any excluded stock (as defined in &#167;&nbsp;251(h)(6)d. of this title)) that were the
subject of, and were not tendered into, and accepted for purchase or exchange in, the offer referred to in &#167;&nbsp;251(h)(2) of this title)), and, in either case, with respect to which demands for appraisal have been received and the aggregate
number of stockholders or beneficial owners holding or owning such shares (provided that, where a beneficial owner makes a demand pursuant to paragraph (d)(3) of this section, the record holder of such shares shall not be considered a separate
stockholder holding such shares for purposes of such aggregate number). Such statement shall be given to the person within 10 days after such person&#146;s request for such a statement is received by the surviving, resulting or converted entity or
within 10 days after expiration of the period for delivery of demands for appraisal under subsection (d)&nbsp;of this section hereof, whichever is later. </TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">(f)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Upon the filing of any such petition by any person other than the surviving, resulting or converted entity,
service of a copy thereof shall be made upon such entity, which shall within 20 days after such service file in the office of the Register in Chancery in which the petition was filed a duly verified list containing the names and addresses of all
persons who have demanded appraisal for their shares and with whom agreements as to the value of their shares have not been reached by such entity. If the petition shall be filed by the surviving, resulting or converted entity, the petition shall be
accompanied by such a duly verified list. The Register in Chancery, if so ordered by the Court, shall give notice of the time and place fixed for the hearing of such petition by registered or certified mail to the surviving, resulting or converted
entity and to the persons shown on the list at the addresses therein stated. The forms of the notices by mail and by publication shall be approved by the Court, and the costs thereof shall be borne by the surviving, resulting or&nbsp;converted
entity. </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">(g)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">At the hearing on such petition, the Court shall determine the persons who have complied with this section and
who have become entitled to appraisal rights. The Court may require the persons who have demanded an appraisal for their shares and who hold stock represented by certificates to submit their certificates of stock to the Register in Chancery for
notation thereon of the pendency of the appraisal proceedings; and if any person fails to comply with such direction, the Court may dismiss the proceedings as to such person. If&nbsp;immediately before the merger, consolidation or conversion the
shares of the class or series of stock of the&nbsp;constituent or converting corporation as to which appraisal rights are available were listed on a national securities exchange, the Court shall dismiss the proceedings as to all holders of such
shares who are otherwise entitled to appraisal rights unless (1)&nbsp;the total number of shares entitled to appraisal exceeds 1%&nbsp;of the outstanding shares of the class or series eligible for appraisal, (2)&nbsp;the value of the consideration
provided in the merger, consolidation or conversion for such total number of shares exceeds $1&nbsp;million, or (3)&nbsp;the merger was approved pursuant to &#167;&nbsp;253 or &#167;&nbsp;267 of this title. </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">(h)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">After the Court determines the persons entitled to an appraisal, the appraisal proceeding shall be conducted in
accordance with the rules of the Court of Chancery, including any rules specifically governing appraisal proceedings. Through such proceeding the Court shall determine the fair value of the shares exclusive of any element of value arising from the
accomplishment or expectation of the merger, consolidation or conversion, together with interest, if any, to be paid upon the amount determined to be the fair value. In determining such fair value, the Court shall take into account all relevant
factors. Unless the Court in its discretion determines otherwise for good cause shown, and except as provided in this subsection, interest from the effective date of the merger, consolidation or conversion through the date of payment of the judgment
shall be compounded quarterly and shall accrue at 5% over the Federal Reserve discount rate (including any surcharge) as established from time to time during the period between the effective date of the merger, consolidation or conversion and the
date of payment of the judgment. At any time before the entry of judgment in the proceedings, the surviving, resulting or converted entity may pay to each person </P></TD></TR></TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">F-4 </P>

</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>


<Center><DIV STYLE="width:8.5in" align="left">

<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top">
entitled to appraisal an amount in cash, in which case interest shall accrue thereafter as provided herein only upon the sum of (1)&nbsp;the difference, if any, between the amount so paid and the
fair value of the shares as determined by the Court, and (2)&nbsp;interest theretofore accrued, unless paid at that time. Upon application by the surviving, resulting or converted entity or by any person entitled to participate in the appraisal
proceeding, the Court may, in its discretion, proceed to trial upon the appraisal prior to the final determination of the persons entitled to an appraisal. Any person whose name appears on the list filed by the surviving, resulting or converted
entity pursuant to subsection (f)&nbsp;of this section may participate fully in&nbsp;all proceedings until it is finally determined that such person is not entitled to appraisal rights under this section. </TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">(i)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">The Court shall direct the payment of the fair value of the shares, together with interest, if any, by the
surviving, resulting or converted entity to the persons entitled thereto. Payment shall be so made to each such person upon such terms and conditions as the Court may order. The Court&#146;s decree may be enforced as other decrees in the Court of
Chancery may be enforced, whether such surviving, resulting or converted entity be an entity of this State or of any state. </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">(j)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">The costs of the proceeding may be determined by the Court and taxed upon the parties as the Court deems
equitable in the circumstances. Upon application of a person whose name appears on the list filed by the surviving, resulting or converted entity pursuant to subsection (f)&nbsp;of this section who participated in the proceeding and incurred
expenses in connection therewith, the Court may order all or a portion of such expenses, including, without limitation, reasonable attorney&#146;s fees and the fees and expenses of experts, to be charged pro rata against the value of all the shares
entitled to an appraisal not dismissed pursuant to subsection (k)&nbsp;of this section or subject to such an award pursuant to a reservation of jurisdiction under subsection (k)&nbsp;of this section. </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">(k)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">From and after the effective date of the merger, consolidation or conversion, no person who has demanded
appraisal rights with respect to some or all of such person&#146;s shares as provided in subsection (d)&nbsp;of this section shall be entitled to vote such shares for any purpose or to receive payment of dividends or other distributions on such
shares (except dividends or other distributions payable to stockholders of record at a date which is prior to the effective date of the merger, consolidation or conversion); provided, however, that if no petition for an appraisal is filed within the
time provided in subsection (e)&nbsp;of this section, or if a person who has made a demand for an appraisal in accordance with this section shall deliver to the surviving, resulting or converted entity a written withdrawal of such person&#146;s
demand for an appraisal in respect of some or all of such person&#146;s shares in accordance with subsection (e)&nbsp;of this section, then the right of such person to an appraisal of the shares subject to the withdrawal shall cease. Notwithstanding
the foregoing, no appraisal proceeding in the Court of Chancery shall be dismissed as to any person without the approval of the Court, and such approval may be conditioned upon such terms as the Court deems just, including without limitation, a
reservation of jurisdiction for any application to the Court made under subsection (j)&nbsp;of&nbsp;this section; provided, however that this provision shall not affect the right of any person who has not commenced an appraisal proceeding or joined
that proceeding as a named party to withdraw such person&#146;s demand for appraisal and to accept the terms offered upon the merger, consolidation or conversion within 60&nbsp;days after the effective date of the merger, consolidation or
conversion, as set forth in subsection (e)&nbsp;of this section. </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">(l)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">The shares or other equity interests of the surviving, resulting or converted entity to which the shares of
stock subject to appraisal under this section would have otherwise converted but for an appraisal demand made in accordance with this section shall have the status of authorized but not outstanding shares of stock or other equity interests of the
surviving, resulting or converted entity, unless and until the person that has demanded appraisal is no longer entitled to appraisal pursuant to this section. </P></TD></TR></TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">F-5 </P>

</DIV></Center>

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end
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
