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Originator-Name: webmaster@www.sec.gov
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<SEC-DOCUMENT>0000950144-08-002924.txt : 20080418
<SEC-HEADER>0000950144-08-002924.hdr.sgml : 20080418
<ACCEPTANCE-DATETIME>20080418120752
ACCESSION NUMBER:		0000950144-08-002924
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		7
FILED AS OF DATE:		20080418
DATE AS OF CHANGE:		20080418
EFFECTIVENESS DATE:		20080418

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:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-08106
		FILM NUMBER:		08763853

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

	MAIL ADDRESS:	
		STREET 1:		800 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>DEFA14A
<SEQUENCE>1
<FILENAME>g12541dadefa14a.htm
<DESCRIPTION>MASTEC, INC.
<TEXT>
<HTML>
<HEAD>
<TITLE>MasTec, Inc.</TITLE>
</HEAD>
<BODY bgcolor="#FFFFFF">
<!-- PAGEBREAK -->
<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>

<DIV style="width: 87%; margin-left: 6%"><!-- BEGIN PAGE WIDTH -->
</DIV><!-- END PAGE WIDTH -->
<DIV style="width: 87%; margin-left: 6%"><!-- BEGIN PAGE WIDTH -->

<DIV align="center" style="margin-left: 0%; margin-right: 0%; text-indent: 0%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>UNITED STATES</B>
</DIV>

<DIV align="center" style="margin-left: 0%; margin-right: 0%; text-indent: 0%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>SECURITIES AND EXCHANGE COMMISSION</B>
</DIV>

<DIV align="center" style="margin-left: 0%; margin-right: 0%; text-indent: 0%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B><FONT style="font-size: 12pt">Washington,&#160;D.C.
    20549</FONT></B>
</DIV>

<DIV style="margin-top: 3pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="center" style="margin-left: 0%; margin-right: 0%; text-indent: 0%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B><FONT style="font-size: 12pt">SCHEDULE&#160;14A</FONT></B>
</DIV>

<DIV style="margin-top: 3pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="center" style="margin-left: 0%; margin-right: 0%; text-indent: 0%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    Proxy Statement Pursuant to Section&#160;14(a) of the Securities
</DIV>

<DIV align="center" style="margin-left: 0%; margin-right: 0%; text-indent: 0%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    Exchange Act of 1934 (Amendment No.&#160;&#160;)
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 0%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    Filed by the Registrant
    <FONT style="font-family: Wingdings; font-variant: normal">&#254;
    </FONT>
</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 0%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    Filed by a Party other than the Registrant
    <FONT style="font-family: Wingdings; font-variant: normal">&#111;
    </FONT>
</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 0%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    Check the appropriate box:
</DIV>

<DIV style="margin-top: 3pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 0%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <FONT style="font-family: Wingdings; font-variant: normal">&#111;</FONT>&#160;&#160;Preliminary
    Proxy Statement
</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 0%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <FONT style="font-family: Wingdings; font-variant: normal">&#111;</FONT>&#160;&#160;Confidential,
    for Use of the Commission Only (as permitted by
    <FONT style="white-space: nowrap">Rule&#160;14a-6(e)(2))</FONT>
</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 0%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <FONT style="font-family: Wingdings; font-variant: normal">&#111;</FONT>&#160;&#160;Definitive
    Proxy Statement
</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 0%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <FONT style="font-family: Wingdings; font-variant: normal">&#254;</FONT>&#160;&#160;Definitive
    Additional Materials
</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 0%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <FONT style="font-family: Wingdings; font-variant: normal">&#111;</FONT>&#160;&#160;Soliciting
    Material Pursuant to
    <FONT style="white-space: nowrap">Rule&#160;14a-12</FONT>
</DIV>

<DIV style="margin-top: 3pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="center" style="margin-left: 0%; margin-right: 0%; text-indent: 0%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>MASTEC, INC.</B>
</DIV>

<DIV style="font-size: 1pt; margin-left: 0%; width: 100%; align: left; border-bottom: 1pt solid #000000"></DIV><!-- callerid=999 iwidth=456 length=0 -->

<DIV align="center" style="margin-left: 0%; margin-right: 0%; text-indent: 0%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <I><FONT style="font-size: 8pt">(Name of Registrant as Specified
    in Its Charter)</FONT></I>
</DIV>

<DIV style="margin-top: 3pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="center" style="margin-left: 0%; margin-right: 0%; text-indent: 0%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    N/A
</DIV>

<DIV style="font-size: 1pt; margin-left: 0%; width: 100%; align: left; border-bottom: 1pt solid #000000"></DIV><!-- callerid=999 iwidth=456 length=0 -->

<DIV align="center" style="margin-left: 0%; margin-right: 0%; text-indent: 0%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <I><FONT style="font-size: 8pt">(Name of Person(s) Filing Proxy
    Statement, if other than the Registrant)</FONT></I>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 0%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    Payment of Filing Fee (check the appropriate box):
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<TABLE width="100%" border="0" cellpadding="0" cellspacing="0">

<TR>
    <TD width="3%"></TD>
    <TD width="97%"></TD>
</TR>

<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>    <FONT style="font-family: Wingdings; font-variant: normal">&#254;</FONT>&#160;&#160;
</TD>
    <TD align="left">    No fee required.
</TD>
</TR>


<TR style="line-height: 3pt; font-size: 1pt"><TD>&nbsp;</TD></TR>

<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>    <FONT style="font-family: Wingdings; font-variant: normal">&#111;</FONT>&#160;&#160;
</TD>
    <TD align="left">    Fee computed on table below per Exchange Act
    <FONT style="white-space: nowrap">Rules&#160;14a-6(i)(4)</FONT>
    and <FONT style="white-space: nowrap">0-11.</FONT>
</TD>
</TR>

</TABLE>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<TABLE width="100%" border="0" cellpadding="0" cellspacing="0">

<TR>
    <TD width="3%"></TD>
    <TD width="5%"></TD>
    <TD width="92%"></TD>
</TR>

<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    (1)&#160;&#160;
</TD>
    <TD align="left">
    Title of each class of securities to which transaction applies:
</TD>
</TR>

</TABLE>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV style="font-size: 8pt; margin-left: 8%; width: 100%; align: left; border-bottom: 1pt solid #000000"></DIV><!-- callerid=999 iwidth=456 length=0 -->

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<TABLE width="100%" border="0" cellpadding="0" cellspacing="0">

<TR>
    <TD width="3%"></TD>
    <TD width="5%"></TD>
    <TD width="92%"></TD>
</TR>

<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    (2)&#160;&#160;
</TD>
    <TD align="left">
    Aggregate number of securities to which transaction applies:
</TD>
</TR>

</TABLE>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV style="font-size: 8pt; margin-left: 8%; width: 100%; align: left; border-bottom: 1pt solid #000000"></DIV><!-- callerid=999 iwidth=456 length=0 -->

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<TABLE width="100%" border="0" cellpadding="0" cellspacing="0">

<TR>
    <TD width="3%"></TD>
    <TD width="5%"></TD>
    <TD width="92%"></TD>
</TR>

<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    (3)&#160;&#160;
</TD>
    <TD align="left">
    Per unit price or other underlying value of transaction computed
    pursuant to Exchange Act
    <FONT style="white-space: nowrap">Rule&#160;0-11</FONT>
    (Set forth the amount on which the filing fee is calculated and
    state how it was determined):
</TD>
</TR>

</TABLE>

<DIV style="margin-top: 4pt; font-size: 1pt">&nbsp;</DIV>

<DIV style="font-size: 8pt; margin-left: 8%; width: 100%; align: left; border-bottom: 1pt solid #000000"></DIV><!-- callerid=999 iwidth=456 length=0 -->

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<TABLE width="100%" border="0" cellpadding="0" cellspacing="0">

<TR>
    <TD width="3%"></TD>
    <TD width="5%"></TD>
    <TD width="92%"></TD>
</TR>

<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    (4)&#160;&#160;
</TD>
    <TD align="left">
    Proposed maximum aggregate value of transaction:
</TD>
</TR>

</TABLE>

<DIV style="margin-top: 4pt; font-size: 1pt">&nbsp;</DIV>

<DIV style="font-size: 8pt; margin-left: 8%; width: 100%; align: left; border-bottom: 1pt solid #000000"></DIV><!-- callerid=999 iwidth=456 length=0 -->

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<TABLE width="100%" border="0" cellpadding="0" cellspacing="0">

<TR>
    <TD width="3%"></TD>
    <TD width="5%"></TD>
    <TD width="92%"></TD>
</TR>

<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    (5)&#160;&#160;
</TD>
    <TD align="left">
    Total fee paid:
</TD>
</TR>

</TABLE>

<DIV style="margin-top: 4pt; font-size: 1pt">&nbsp;</DIV>

<DIV style="font-size: 8pt; margin-left: 8%; width: 100%; align: left; border-bottom: 1pt solid #000000"></DIV><!-- callerid=999 iwidth=456 length=0 -->

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<TABLE width="100%" border="0" cellpadding="0" cellspacing="0">

<TR>
    <TD width="3%"></TD>
    <TD width="97%"></TD>
</TR>

<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>    <FONT style="font-family: Wingdings; font-variant: normal">&#111;</FONT>&#160;&#160;
</TD>
    <TD align="left">    Fee paid previously with preliminary materials.
</TD>
</TR>


<TR style="line-height: 6pt; font-size: 1pt"><TD>&nbsp;</TD></TR>

<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>    <FONT style="font-family: Wingdings; font-variant: normal">&#111;</FONT>&#160;&#160;
</TD>
    <TD align="left">    Check box if any part of the fee is offset as provided by
    Exchange Act
    <FONT style="white-space: nowrap">Rule&#160;0-11(a)(2)</FONT>
    and identifythefiling for which the offsetting fee was paid
    previously. Identify the previous filing by registration
    statementnumber, or the Form or Schedule and the date of its
    filing.
</TD>
</TR>

</TABLE>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<TABLE width="100%" border="0" cellpadding="0" cellspacing="0">

<TR>
    <TD width="3%"></TD>
    <TD width="5%"></TD>
    <TD width="92%"></TD>
</TR>

<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    (1)&#160;&#160;
</TD>
    <TD align="left">
    Amount Previously Paid:
</TD>
</TR>

</TABLE>

<DIV style="margin-top: 4pt; font-size: 1pt">&nbsp;</DIV>

<DIV style="font-size: 8pt; margin-left: 8%; width: 100%; align: left; border-bottom: 1pt solid #000000"></DIV><!-- callerid=999 iwidth=456 length=0 -->

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<TABLE width="100%" border="0" cellpadding="0" cellspacing="0">

<TR>
    <TD width="3%"></TD>
    <TD width="5%"></TD>
    <TD width="92%"></TD>
</TR>

<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    (2)&#160;&#160;
</TD>
    <TD align="left">
    Form, Schedule or Registration Statement No.:
</TD>
</TR>

</TABLE>

<DIV style="margin-top: 4pt; font-size: 1pt">&nbsp;</DIV>

<DIV style="font-size: 8pt; margin-left: 8%; width: 100%; align: left; border-bottom: 1pt solid #000000"></DIV><!-- callerid=999 iwidth=456 length=0 -->

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<TABLE width="100%" border="0" cellpadding="0" cellspacing="0">

<TR>
    <TD width="3%"></TD>
    <TD width="5%"></TD>
    <TD width="92%"></TD>
</TR>

<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    (3)&#160;&#160;
</TD>
    <TD align="left">
    Filing Party:
</TD>
</TR>

</TABLE>

<DIV style="margin-top: 4pt; font-size: 1pt">&nbsp;</DIV>

<DIV style="font-size: 8pt; margin-left: 8%; width: 100%; align: left; border-bottom: 1pt solid #000000"></DIV><!-- callerid=999 iwidth=456 length=0 -->

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<TABLE width="100%" border="0" cellpadding="0" cellspacing="0">

<TR>
    <TD width="3%"></TD>
    <TD width="5%"></TD>
    <TD width="92%"></TD>
</TR>

<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    (4)&#160;&#160;
</TD>
    <TD align="left">
    Date Filed:
</TD>
</TR>

</TABLE>

<DIV style="margin-top: 4pt; font-size: 1pt">&nbsp;</DIV>

<DIV style="font-size: 8pt; margin-left: 8%; width: 100%; align: left; border-bottom: 1pt solid #000000"></DIV><!-- callerid=999 iwidth=456 length=0 -->

<P align="left" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">

</DIV><!-- END PAGE WIDTH -->
<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>
<DIV style="font-family: Helvetica,Arial,sans-serif">


<DIV align="Center" style="font-size: 10pt; margin-top: 6pt"><IMG src="g12541dag1254102.gif" alt="(MASTEC LOGO)"><BR>
<B>Important Notice Regarding the Availability of Proxy Materials for the Shareholder Meeting<BR>
to be held on May&nbsp;29, 2008, for MasTec, Inc.</B>

</DIV>

<DIV align="justify" style="font-size: 8pt; margin-top: 6pt"><B>This communication presents only an overview of the more complete proxy materials that are available to you on the Internet. We encourage you to access and review all of the important information contained in the proxy materials before voting. To view the proxy statement and annual report, go to <U>www.proxydocs.com/mtz</U>. To submit your proxy while visiting this site, you will need the 12 digit control number in the box below.</B>

</DIV>
<P>
<DIV style="position: relative; float: left; width: 65%"><!-- Start Left -->
<P style="margin-top: 48pt">
<DIV style="width: 100%; border: 1px solid black; padding: 11px;"><!-- Start Box -->

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;<BR>&nbsp;<BR>&nbsp;<BR>&nbsp;<BR>&nbsp;
</DIV>

</DIV><!-- End Box -->


</DIV><!-- End Left -->

<DIV style="position: relative; float: right; width: 33%"><!-- Start Right -->
<DIV align="justify" style="font-size: 8pt; margin-top: 6pt">Under new United States Securities and Exchange
Commission rules, proxy materials do not have
to be delivered in paper. Proxy materials can be
distributed by making them available on the
Internet. We have chosen to use these procedures
for our 2008 Annual Meeting and need YOUR
participation.
</DIV>

<DIV align="justify" style="font-size: 8pt; margin-top: 6pt"><B><I>If you want to receive a paper or e-mail copy of the
proxy materials, you must request one. There is
no charge to you for requesting a copy. In order
to receive a paper package in time for this year&#146;s
annual meeting, please make this request on or
before May&nbsp;19, 2008.</I></B>
</DIV>

</DIV>
<BR clear="all">

<DIV align="center">
<TABLE style="font-size: 16pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom" style="font-size: 2pt">
    <TD width="2%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD>
    <TD width="92%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD>
</TR>
<!-- End Table Head -->
<!-- Begin Table Body -->
<TR style="font-size: 1px">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="middle" style="border-top: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px"><IMG src="g12541dag1254111.gif" alt="(RIGHT ARROW)"></DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="middle"><B>View Proxy Materials and Annual Report Online at<BR><U>www.proxydocs.com/mtz</U><BR>
A convenient way to view proxy materials and VOTE!</B></TD>
    <TD>&nbsp;</TD>
    <TD align="right" valign="top"><IMG src="g12541dag1254112.gif" alt="(LEFT ARROW)"></TD>
</TR>
<TR style="font-size: 1px">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="middle" style="border-top: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>

<DIV align="Center" style="font-size: 11pt; margin-top: 6pt">Material may be requested by one of the following methods:
</DIV>

<DIV align="center">
<TABLE style="font-size: 9pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="25%">&nbsp;</TD>
    <TD width="15%">&nbsp;</TD>
    <TD width="20%">&nbsp;</TD>
    <TD width="15%">&nbsp;</TD>
    <TD width="25%">&nbsp;</TD>
</TR>
<!-- End Table Head -->
<!-- Begin Table Body -->
<TR style="font-size: 1px">
    <TD align="center" valign="top" style="border-top: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top" style="border-top: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top" style="border-top: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top" style="border-left: 1px solid #000000; border-right: 1px solid #000000"><IMG src="g12541dag1254103.gif" alt="(INTERNET)"></TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top" style="border-left: 1px solid #000000; border-right: 1px solid #000000"><IMG src="g12541dag1254104.gif" alt="(TELEPHONE)"></TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top" style="border-left: 1px solid #000000; border-right: 1px solid #000000"><IMG src="g12541dag1254105.gif" alt="(E-MAIL)"></TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top" style="border-left: 1px solid #000000; border-right: 1px solid #000000"><B>INTERNET</B></TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top" style="border-left: 1px solid #000000; border-right: 1px solid #000000"><B>TELEPHONE</B></TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top" style="border-left: 1px solid #000000; border-right: 1px solid #000000"><B>*E-MAIL</B></TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top" style="border-left: 1px solid #000000; border-right: 1px solid #000000"><B><U>www.investorelections.com/mtz</U></B></TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top" style="border-left: 1px solid #000000; border-right: 1px solid #000000"><B>(866) 648-8133</B></TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top" style="border-left: 1px solid #000000; border-right: 1px solid #000000"><B><U>paper@investorelections.com</U></B></TD>
</TR>
<TR style="font-size: 1px">
    <TD align="center" valign="top" style="border-bottom: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top" style="border-bottom: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top" style="border-bottom: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000">&nbsp;</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>

<P><DIV style="position: relative; float: left; width: 65%"><!-- Start Left -->

<DIV align="Center" style="font-size: 12pt; margin-top: 6pt"><B>You must use the 12 digit control number<BR>
located in the shaded gray box below.</B>
</DIV>

</DIV><!-- End Left -->

<P><DIV style="position: relative; float: left; width: 33%"><!-- Start Right -->

<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 7pt">
<TR>
    <TD width="3%"></TD>
    <TD width="1%"></TD>
    <TD width="96"></TD>
</TR>

<TR valign="top">
    <TD nowrap align="left">*</TD>
    <TD>&nbsp;</TD>
    <TD><DIV style="text-align: justify">If requesting material by e-mail, please send
a blank <FONT style="white-space: nowrap">e-mail</font> with the 12 digit control number
(located below) in the subject line. No other requests, instructions or other inquiries should be
included with your e-mail requesting material.</DIV></TD>
</TR>

</TABLE>


</DIV><!-- End Right -->
<BR clear="all"><BR>

<DIV align="justify" style="font-size: 9pt; margin-top: 6pt">To view your proxy materials online, go to <U>www.proxydocs.com/mtz</U>. Have the 12 digit control
number available when you
access the website and follow the instructions.
</DIV>

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="30%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="30%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="30%">&nbsp;</TD>
</TR>
<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD valign="top" style="background: #eeeeee"><DIV style="border: 1px solid #000000">&nbsp;<BR>&nbsp;<BR>&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="middle"><B>ACCOUNT NO.</B></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="middle"><B># SHARES</B></TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>

<P>
<DIV style="width: 100%; border: 1px solid black; padding: 5px;"><!-- Start Box -->

<DIV align="center" style="font-size: 12pt; margin-top: 1pt"><B>MasTec, Inc. Notice of Annual Meeting</B><BR>
<IMG src="g12541dag1254102.gif" alt="(MASTECL LOGO)">
</DIV>


<DIV align="justify" style="font-size: 9pt; margin-top: 6pt">The 2008 Annual Meeting of Shareholders of MasTec, Inc. will be held on Thursday, May&nbsp;29, 2008 at
9:30 a.m. local time, at the
Douglas Entrance Building, South Tower, located at 806 S. Douglas Road, the 10<SUP style="font-size: 85%; vertical-align: text-top">th</SUP> Floor,
Royal Poinciana Conference Room,
Coral Gables, Florida 33134. For directions call (305)&nbsp;599-1800. At the Annual Meeting,
shareholders will be asked to vote on the
following proposals:
</DIV>

<DIV style="margin-top: 6pt">
<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">

<TR valign="top" style="font-size: 9pt; color: #000000; background: transparent">
    <TD width="1%" nowrap align="left">1.</TD>
    <TD width="1%">&nbsp;</TD>
    <TD><DIV style="text-align: justify">The election of Ernst N. Csiszar, Julia L. Johnson, Jorge Mas and Jose R. Mas as Class&nbsp;I
directors to serve until the 2011 Annual Meeting of Shareholders;</DIV></TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 9pt; color: #000000; background: transparent">
    <TD width="1%" nowrap align="left">2.</TD>
    <TD width="1%">&nbsp;</TD>
    <TD><DIV style="text-align: justify">The reapproval of the Section 162(m) of the Internal Revenue Code material terms of the MasTec,
Inc. 2003 Employee Stock Incentive Plan; and</DIV></TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 9pt; color: #000000; background: transparent">
    <TD width="1%" nowrap align="left">3.</TD>
    <TD width="1%">&nbsp;</TD>
    <TD><DIV style="text-align: justify">Such other business as may properly be brought before the Annual Meeting, and at any
adjournments or postponements of
the Annual Meeting.</DIV></TD>
</TR>

</TABLE>
</DIV>

</DIV><!-- End Box -->

<DIV align="justify" style="font-size: 8pt; margin-top: 6pt"><B>Vote In Person Instructions: </B>While we encourage shareholders to vote by the means indicated above, a shareholder is entitled to vote in person at the annual meeting. Additionally, a share holder who has submitted a proxy before the meeting, may
revoke that proxy in person at the annual meeting.
</DIV>


<P align="center" style="font-size: 10pt"><!-- Folio --><!-- /Folio -->
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