<SEC-DOCUMENT>0001193125-22-298171.txt : 20221205
<SEC-HEADER>0001193125-22-298171.hdr.sgml : 20221205
<ACCEPTANCE-DATETIME>20221205112102
ACCESSION NUMBER:		0001193125-22-298171
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		13
CONFORMED PERIOD OF REPORT:	20221201
ITEM INFORMATION:		Entry into a Material Definitive Agreement
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20221205
DATE AS OF CHANGE:		20221205

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ADTRAN Holdings, Inc.
		CENTRAL INDEX KEY:			0000926282
		STANDARD INDUSTRIAL CLASSIFICATION:	TELEPHONE & TELEGRAPH APPARATUS [3661]
		IRS NUMBER:				872164282
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-41446
		FILM NUMBER:		221444118

	BUSINESS ADDRESS:	
		STREET 1:		901 EXPLORER BLVD
		CITY:			HUNTSVILLE
		STATE:			AL
		ZIP:			35806
		BUSINESS PHONE:		256-963-8220

	MAIL ADDRESS:	
		STREET 1:		901 EXPLORER BLVD
		CITY:			HUNTSVILLE
		STATE:			AL
		ZIP:			35806

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ADTRAN INC
		DATE OF NAME CHANGE:	19940705
</SEC-HEADER>
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<td style="vertical-align:top"> <p style=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman;text-align:left">Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)</p></td></tr></table> <p style="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&#160;</p>
<table style="border-collapse:collapse; font-family:Times New Roman; font-size:10pt;border:0;width:100%" cellpadding="0" cellspacing="0">
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<td style="vertical-align:top"> <p style=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman;text-align:left">Soliciting material pursuant to Rule <span style="white-space:nowrap">14a-12</span> under the Exchange Act (17 CFR <span style="white-space:nowrap">240.14a-12)</span></p></td></tr></table> <p style="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&#160;</p>
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<td style="vertical-align:top"> <p style=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman;text-align:left"><span style="white-space:nowrap">Pre-commencement</span> communications pursuant to Rule <span style="white-space:nowrap">14d-2(b)</span> under the Exchange Act (17 CFR <span style="white-space:nowrap">240.14d-2(b))</span></p></td></tr></table> <p style="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&#160;</p>
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<td style="vertical-align:top"> <p style=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman;text-align:left"><span style="white-space:nowrap">Pre-commencement</span> communications pursuant to Rule <span style="white-space:nowrap">13e-4(c)</span> under the Exchange Act (17 CFR <span style="white-space:nowrap">240.13e-4(c))</span></p></td></tr></table> <p style="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Securities registered pursuant to Section&#160;12(b) of the Act:</p> <p style="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&#160;</p>
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<td style="width:34%"></td>
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<td style="width:32%"></td>
<td style="vertical-align:bottom;width:1%"></td>
<td style="width:32%"></td></tr>
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<td style=" text-align: center;margin:auto; border-bottom:1.00pt solid #000000;vertical-align:bottom;white-space:nowrap"> <p style="margin-top:0pt; margin-bottom:1pt; font-size:8pt; font-family:Times New Roman;font-weight:bold;text-align:center">Title of each class</p></td>
<td style="vertical-align:bottom">&#160;</td>
<td style=" text-align: center;margin:auto; border-bottom:1.00pt solid #000000;vertical-align:bottom"> <p style="margin-top:0pt; margin-bottom:0pt; font-size:8pt; font-family:Times New Roman;font-weight:bold;text-align:center">Trading</p> <p style="margin-top:0pt; margin-bottom:1pt; font-size:8pt; font-family:Times New Roman;font-weight:bold;text-align:center">Symbol</p></td>
<td style="vertical-align:bottom">&#160;</td>
<td style=" text-align: center;margin:auto; border-bottom:1.00pt solid #000000;vertical-align:bottom"> <p style="margin-top:0pt; margin-bottom:0pt; font-size:8pt; font-family:Times New Roman;font-weight:bold;text-align:center">Name of exchange</p> <p style="margin-top:0pt; margin-bottom:1pt; font-size:8pt; font-family:Times New Roman;font-weight:bold;text-align:center">on which registered</p></td></tr>
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<td style="vertical-align:bottom">&#160;</td>
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<td style="vertical-align:bottom">&#160;</td>
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<div style="text-align:center"><div style="width:8.5in;text-align:left;margin-left: auto;margin-right: auto">
 <p style="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman;font-weight:bold;text-align:center">EXPLANATORY NOTE </p> <p style="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&#160;</p>
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<td style="width:11%;vertical-align:top" align="left"><span style="font-weight:bold">Item&#160;1.01</span></td>
<td align="left" style="vertical-align:top"> <p style=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman;font-weight:bold;text-align:left">Entry into a Material Definitive Agreement </p></td></tr></table> <p style="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">As previously disclosed by ADTRAN Holdings, Inc. (the &#8220;Company&#8221;), on October&#160;18, 2022, the Board of Directors of the Company and the management board of ADVA Optical Networking SE, a company organized and existing under the laws of Germany (&#8220;ADVA&#8221;), agreed on a final draft of a domination and profit and loss transfer agreement (the &#8220; DPLTA&#8221;) between the Company, as the controlling company, and ADVA, as the controlled company. On December&#160;1, 2022, the Company and ADVA signed the DPLTA after the approval of the DPLTA by ADVA&#8217;s shareholders at an extraordinary meeting of shareholders held on November&#160;30, 2022. The Company held approximately 65.34% of ADVA&#8217;s outstanding shares as of November&#160;30, 2022. </p> <p style="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The effectiveness of the DPLTA remains subject to the registration of the DPLTA with the commercial register (<span style="font-style:italic">Handelsregister</span>) of the local court (<span style="font-style:italic">Amtsgericht</span>) at the registered seat of ADVA, with effectiveness to occur no earlier than January&#160;1, 2023. While the Company plans to apply for registration of the DPLTA without undue delay, registration may be delayed considerably pending potential shareholder litigation, if any, in Germany. </p> <p style="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Under the DPLTA, when effective and subject to certain limitations pursuant to applicable law, (i)&#160;the Company will be entitled to issue binding instructions to the management board of ADVA, (ii)&#160;ADVA will transfer all of its annual profits to the Company, subject to, among other things, the creation or dissolution of certain reserves, and (iii)&#160;the Company will generally absorb all annual losses incurred by ADVA. Additionally, under the DPLTA, the Company will offer, at the election of each shareholder of ADVA (other than the Company), (i) to acquire the shares of such shareholder for a compensation of EUR 17.21 per share pursuant to Section&#160;305 of the German Stock Corporation Act (<span style="font-style:italic">Aktiengesetz</span>, &#8220;AktG&#8221;) (&#8220;Exit Compensation&#8221;), or (ii)&#160;to pay such shareholder a fixed annually recurring compensation payment pursuant to Section&#160;304 of the AktG in an amount of EUR 0.59 per share (EUR 0.52 net under the current taxation regime) (the &#8220;Annual Recurring Compensation&#8221;). The amount of the Annual Recurring Compensation payment of EUR&#160;0.59 per share (EUR 0.52 net) was determined on the basis of a rounded annuity interest rate of 3.00%. This corresponds to the amount as previously agreed between ADVA and the Company in the final draft of the DPLTA on October&#160;18, 2022. An adjustment of the amount of the Annual Recurring Compensation payment due to certain changes in borrowing costs and the annuity interest rate was not required. The adequacy of both forms of compensation may be challenged by minority shareholders of ADVA via <span style="white-space:nowrap">court-led</span> appraisal proceedings under German law, and it is possible that the courts in such appraisal proceedings may adjudicate a higher Exit Compensation or Annual Recurring Compensation (in each case, including interest thereon) than agreed upon in the DPLTA. Such <span style="white-space:nowrap">court-led</span> appraisal proceedings will not delay the registration of the DPLTA with the relevant commercial register (i.e., the effectiveness of the DPLTA). </p> <p style="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The foregoing description of the DPLTA does not purport to be complete and is qualified in its entirety by reference to the DPLTA, a <span style="white-space:nowrap">non-binding</span> English translation of which is attached as Exhibit&#160;10.1 to this Current Report on Form <span style="white-space:nowrap">8-K.</span> </p> <p style="font-size:18pt;margin-top:0pt;margin-bottom:0pt">&#160;</p>
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<td style="width:11%;vertical-align:top" align="left"><span style="font-weight:bold">Item&#160;9.01</span></td>
<td align="left" style="vertical-align:top"> <p style=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman;font-weight:bold;text-align:left">Financial Statements and Exhibits </p></td></tr></table> <p style="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">(d) <span style="text-decoration:underline">Exhibits</span>. The following exhibits are filed with this report: </p> <p style="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&#160;</p>
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<td style="vertical-align:bottom">&#160;&#160;</td>
<td style="vertical-align:bottom;white-space:nowrap" align="center"> <p style=" margin-top:0pt ; margin-bottom:0pt; border-bottom:1.00pt solid #000000; display:inline-block; font-size:8pt; font-family:Times New Roman;font-weight:bold;text-align:center">Description</p></td></tr>


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<td style="vertical-align:top;white-space:nowrap">10.1</td>
<td style="vertical-align:bottom">&#160;&#160;</td>
<td style="vertical-align:top"><a href="d370987dex101.htm">Domination and Profit and Loss Transfer Agreement between ADTRAN Holdings, Inc. and ADVA Optical Networking SE, dated November&#160;30, 2022. </a></td></tr>
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<td style="vertical-align:top;white-space:nowrap">104</td>
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<td style="vertical-align:top">Cover Page Interactive Data File - the cover page iXBRL tags are embedded within the Inline XBRL document.</td></tr>
</table> <p style="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman;font-weight:bold">CAUTIONARY STATEMENT ABOUT FORWARD LOOKING STATEMENTS </p> <p style="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Certain statements contained in this document regarding matters that are not historical facts are forward-looking statements (as defined in the Private Securities Litigation Reform Act of 1995). They are generally identified by the use of words such as &#8220;believe,&#8221; &#8220;expect,&#8221; &#8220;intend,&#8221; &#8220;estimate,&#8221; &#8220;anticipate,&#8221; &#8220;will,&#8221; &#8220;may,&#8221; &#8220;could&#8221; and similar expressions, which forward-looking statements reflect management&#8217;s best judgment based on factors currently known. However, these statements involve risks and uncertainties, including: (i)&#160;risks and uncertainties related to the continued impact of <span style="white-space:nowrap"><span style="white-space:nowrap"><span style="white-space:nowrap">the&#160;SARS-CoV-2&#160;coronavirus/COVID-19&#160;global</span></span></span> pandemic (including variants of <span style="white-space:nowrap"><span style="white-space:nowrap">the&#160;SARS-CoV-2&#160;coronavirus),</span></span> including with respect to continued manufacturing and supply chain constraints; (ii)&#160;risks and uncertainties related to the completed business combination between the Company, ADTRAN, Inc. (&#8220;ADTRAN&#8221;) and ADVA, and, if the DPLTA becomes effective, the impact of the DPLTA on the Company; the ability to successfully integrate ADTRAN&#8217;s and ADVA&#8217;s businesses; risks related to disruption of management time from ongoing business operations due to integration efforts following the business </p>
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combination; the risk that either the business combination or the DPLTA could have adverse effects on the market price of the Company&#8217;s common stock or ADVA&#8217;s common shares or the ability of the Company, ADTRAN, and ADVA to retain customers, retain or hire key personnel, maintain relationships with their respective suppliers and customers, and on their operating results and businesses generally; the risk that the Company may be unable to achieve expected synergies or that it may take longer or be more costly than expected to achieve those synergies; the risk of fluctuations in revenue due to lengthy sales and approval process required by major and other service providers for new products; the risk posed by potential breaches of information systems and cyber-attacks; the risks that ADTRAN, ADVA or the Company may not be able to effectively compete, including through product improvements and development; (iii)&#160;risks and uncertainties related to the DPLTA, including the risk that its effectiveness may be delayed as a result of litigation or otherwise or may not occur, the risk that it may be terminated, and risks associated with any appraisal proceedings; and (iv)&#160;other risks set forth in ADVA&#8217;s annual and interim financial reports made publicly available and ADTRAN&#8217;s and the Company&#8217;s public filings made with the Securities and Exchange Commission, including ADTRAN&#8217;s Annual Report on <span style="white-space:nowrap">Form&#160;10-K&#160;for</span> the year ended December&#160;31, 2021 and the Company&#8217;s <span style="white-space:nowrap">Form&#160;10-Q&#160;for</span> the quarterly period ended September&#160;30, 2022. These risks and uncertainties could cause actual results to differ materially from those in the forward-looking statements included in this filing. </p>
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 <p style="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman;font-weight:bold;text-align:center">SIGNATURES </p> <p style="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. </p> <p style="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&#160;</p>
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<td style="vertical-align:top">Date: December&#160;5, 2022</td>
<td style="vertical-align:bottom">&#160;</td>
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<td colspan="3" style="vertical-align:bottom;white-space:nowrap"><span style="font-weight:bold">ADTRAN Holdings, Inc.</span></td></tr>
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<td style="vertical-align:bottom;white-space:nowrap">By:</td>
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<td style="vertical-align:bottom;white-space:nowrap"> <p style="margin-top:0pt; margin-bottom:1pt; border-bottom:1px solid #000000; font-size:10pt; font-family:Times New Roman">/s/ Michael Foliano</p></td></tr>
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<td style="vertical-align:bottom;white-space:nowrap">Michael Foliano</td></tr>
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<td style="vertical-align:bottom;white-space:nowrap">Chief Financial Officer</td></tr>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="right"><B>Exhibit 10.1 </B></P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>

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<TD VALIGN="top" ALIGN="center"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>Beherrschungs- und</B></P>
<P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>Gewinnabf&uuml;hrungsvertrag</B></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top" ALIGN="center"><B>Domination and Profit and Loss<BR>Transfer Agreement</B></TD></TR>
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<TD VALIGN="top" ALIGN="center">zwischen</TD>
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<TD VALIGN="top" ALIGN="center">by and between</TD></TR>
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<TD HEIGHT="8" COLSPAN="3"></TD></TR>
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<TD VALIGN="top" COLSPAN="3" ALIGN="center">ADVA Optical Networking SE</TD></TR>
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<TD VALIGN="top" COLSPAN="3" ALIGN="center">M&auml;rzenquelle <FONT STYLE="white-space:nowrap">1-3,</FONT> 98617 Meinigen OT Drei&szlig;igacker</TD></TR>
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<TD VALIGN="top">eingetragen im Handelsregister des Amtsgerichts Jena (HRB&nbsp;508155)</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top">registered at the commercial register of the local court Jena (HRB&nbsp;508155)</TD></TR>
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<TD VALIGN="top" COLSPAN="3" ALIGN="center"><I>&#150; </I><B><I>ADVA</I></B><I> &#150;</I></TD></TR>
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<TD VALIGN="top" ALIGN="center">und</TD>
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<TD VALIGN="top" ALIGN="center">and</TD></TR>
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<TD VALIGN="top" COLSPAN="3" ALIGN="center">ADTRAN Holdings, Inc.,</TD></TR>
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<TD VALIGN="top" COLSPAN="3" ALIGN="center">Corporation Trust Center, 1209 Orange Street, Wilmington, New Castle County, Delaware, United States of America,</TD></TR>
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<TD VALIGN="top">eine Aktiengesellschaft (<I>corporation</I>) nach dem Recht des Bundesstaates Delaware (Vereinigte Staaten von Amerika), eingetragen im <I>Division of Corporations</I> des Bundesstaates Delaware (Vereinigte Staaten von Amerika)
unter der Nummer 6141966</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top">a corporation organized under the laws of the State of Delaware (United States of America), registered in the Division of Corporations of the State of Delaware (United States of America) under number 6141966</TD></TR>
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<TD VALIGN="top" COLSPAN="3" ALIGN="center"><B>&#150; </B><B><I>ADTRAN Holdings</I></B><B>&#150;</B></TD></TR>
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<TD VALIGN="top" ALIGN="center"><B>&#167;&nbsp;1<BR>Leitung</B></TD>
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<TD VALIGN="top" ALIGN="center"><B>&#167;&nbsp;1<BR>Managerial Control</B></TD></TR>
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<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(1)&#8194;&#8201;&#8202;ADVA unterstellt ADTRAN Holdings die Leitung ihrer Gesellschaft ab dem
Zeitpunkt der Wirksamkeit dieses Vertrags. Dementsprechend ist ADTRAN Holdings berechtigt, dem Vorstand der ADVA in Bezug auf die Leitung der ADVA sowohl allgemeine als auch auf den Einzelfall bezogene Weisungen zu erteilen.</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(1)&#8194;&#8201;&#8202;ADVA agrees that the management of its company shall be under the control
of ADTRAN Holdings as from the date of the effectiveness of this Agreement. Accordingly, ADTRAN Holdings shall be entitled to give instructions to the management board of ADVA with respect to the management of ADVA in general or on a case by case
basis.</P></TD></TR></TABLE>
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<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(2)&#8194;&#8201;&#8202;Der Vorstand der ADVA ist verpflichtet, Weisungen der ADTRAN Holdings nach
&#167;&nbsp;1 Abs.&nbsp;1 und in &Uuml;bereinstimmung mit &#167;&nbsp;308 AktG zu befolgen.</P></TD>
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<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(2)&#8194;&#8201;&#8202;The management board of ADVA is required to comply with the instructions
of ADTRAN Holdings as specified in &#167;&nbsp;1 para.&nbsp;1 and in accordance with &#167;&nbsp;308 AktG.</P></TD></TR>
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<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(3)&#8194;&#8201;&#8202;ADTRAN Holdings kann dem Vorstand der ADVA keine Weisungen in Bezug auf
die &Auml;nderung, Aufrechterhaltung oder Beendigung dieses Vertrags erteilen.</P></TD>
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<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(3)&#8194;&#8201;&#8202;ADTRAN Holdings shall not be entitled to give instructions to the
management board of ADVA pertaining to amending, maintaining, or terminating this agreement.</P></TD></TR>
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<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(4)&#8194;&#8201;&#8202;Weisungen bed&uuml;rfen der Textform nach &#167;&nbsp;126b BGB oder sind,
sofern sie m&uuml;ndlich erteilt werden, unverz&uuml;glich in Textform zu best&auml;tigen, sofern der Vorstand dies verlangt.</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(4)&#8194;&#8201;&#8202;Any instructions require text form according to &#167;&nbsp;126b BGB or,
if the instructions are given orally, they shall be confirmed in text form without undue delay, if requested by the management board.</P></TD></TR>
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<TD VALIGN="top" ALIGN="center"><B>&#167;&nbsp;2<BR>Gewinnabf&uuml;hrung</B></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top" ALIGN="center"><B>&#167;&nbsp;2<BR>Transfer of Profit</B></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:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(1)&#8194;&#8201;&#8202;ADVA verpflichtet sich, ihren ganzen Gewinn an ADTRAN Holdings
abzuf&uuml;hren. Vorbehaltlich der Bildung oder Aufl&ouml;sung von R&uuml;cklagen nach &#167;&nbsp;2 Abs.&nbsp;2 ist der nach &#167;&nbsp;301 AktG in dessen jeweils geltender Fassung zul&auml;ssige H&ouml;chstbetrag abzuf&uuml;hren.</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(1)&#8194;&#8201;&#8202;ADVA undertakes to transfer its entire annual profit
(<I>Gewinnabf&uuml;hrung</I>) to ADTRAN Holdings. Subject to establishing or dissolving reserves in accordance with &#167;&nbsp;2 para.&nbsp;2, the maximum amount permissible under &#167;&nbsp;301 AktG, as amended from time to time, shall be
transferred.</P></TD></TR>
</TABLE>
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<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">


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<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(2)&#8194;&#8201;&#8202;ADVA kann mit schriftlicher oder in Textform nach &#167; 126b BGB
erfolgender Zustimmung der ADTRAN Holdings Betr&auml;ge aus dem Jahres&uuml;berschuss in andere Gewinnr&uuml;cklagen einstellen, soweit dies handelsrechtlich zul&auml;ssig und bei vern&uuml;nftiger kaufm&auml;nnischer Beurteilung wirtschaftlich
begr&uuml;ndet ist. W&auml;hrend der Vertragslaufzeit gebildete andere Gewinnr&uuml;cklagen sind auf schriftliches oder in Textform nach &#167; 126b BGB erfolgendes Verlangen der ADTRAN Holdings aufzul&ouml;sen und zum Ausgleich eines
Jahresfehlbetrags zu verwenden oder als Gewinn abzuf&uuml;hren. Sonstige R&uuml;cklagen oder ein Gewinnvortrag, der aus der Zeit vor der Wirksamkeit dieses Vertrags stammt, d&uuml;rfen weder als Gewinn abgef&uuml;hrt noch zum Ausgleich eines
Jahresfehlbetrages verwendet werden.</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(2)&#8194;&#8201;&#8202;If and to the extent permissible under commercial law and economically
justified by reasonable commercial judgement, ADVA may, with the consent of ADTRAN Holdings in writing or text form according to &#167;&nbsp;126b BGB, allocate parts of its annual profit to other profit reserves. Other profit reserves which have
been created during the term of this agreement shall be liquidated upon request of ADTRAN Holdings in writing or text form according to &#167;&nbsp;126b BGB and used to compensate any annual deficit for the financial year or be transferred as
profit. Other reserves or profits carried forward from the period prior to the term of this agreement may neither be transferred as profit nor be used to compensate for any annual deficit.</P></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:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(3)&#8194;&#8201;&#8202;Die Verpflichtung zur Abf&uuml;hrung des gesamten Gewinns besteht erstmals
f&uuml;r das Gesch&auml;ftsjahr der ADVA, in dem dieser Vertrag nach &#167;&nbsp;7 Abs.&nbsp;2 wirksam wird. Die Verpflichtung ist in jedem Fall mit Feststellung des Jahresabschlusses f&uuml;r das betreffende Gesch&auml;ftsjahr der ADVA
f&auml;llig.</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(3)&#8194;&#8201;&#8202;The obligation to transfer the annual profit applies for the first time to
the entire profits generated in the fiscal year of ADVA in which this agreement becomes effective according to &#167;&nbsp;7 para.&nbsp;2. In each case, the obligation becomes due with the approval of the respective annual financial statement of
ADVA.</P></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" ALIGN="center"><B>&#167;&nbsp;3<BR>Verlust&uuml;bernahme</B></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top" ALIGN="center"><B>&#167;&nbsp;3<BR>Balancing of Losses</B></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:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(1)&#8194;&#8201;&#8202;ADTRAN Holdings ist nach &#167;&nbsp;302 Abs.&nbsp;1 AktG in dessen
jeweils geltender Fassung zum Ausgleich eines Jahresfehlbetrags der ADVA verpflichtet. Die Vorschrift des &#167;&nbsp;302 AktG ist in ihrer Gesamtheit in der jeweils geltenden Fassung anzuwenden.</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(1)&#8194;&#8201;&#8202;ADTRAN Holdings is obliged pursuant to &#167;&nbsp;302 para.&nbsp;1 AktG,
as amended from time to time, to balance each year any annual net loss of ADVA that would otherwise arise during the term of this agreement. The provision of &#167;&nbsp;302 AktG applies in its entirety, as amended from time to time.</P></TD></TR>
</TABLE>
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<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">


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<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(2)&#8194;&#8201;&#8202;Die Verpflichtung zum Ausgleich des gesamten Jahresfehlbetrags besteht
erstmals f&uuml;r das Gesch&auml;ftsjahr der ADVA, in dem dieser Vertrag nach &#167;&nbsp;7 Abs.&nbsp;2 wirksam wird. Die Verpflichtung wird in jedem Fall zum Ende eines Gesch&auml;ftsjahrs der ADVA f&auml;llig.</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(2)&#8194;&#8201;&#8202;The obligation to balance any losses applies for the first time to the
entire losses generated in the fiscal year of ADVA in which this agreement becomes effective according to &#167;&nbsp;7 para.&nbsp;2. In each case, the obligation becomes due at the end of the respective fiscal year of ADVA.</P></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:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(3)&#8194;&#8201;&#8202;Bei einer Beendigung dieses Vertrags w&auml;hrend eines
Gesch&auml;ftsjahrs, insbesondere durch eine K&uuml;ndigung aus wichtigem Grund, ist ADTRAN Holdings zur &Uuml;bernahme desjenigen Fehlbetrags der ADVA, wie er sich aus einer auf den Tag des Wirksamwerdens der Beendigung zu erstellenden
Stichtagsbilanz ergibt, verpflichtet.</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(3)&#8194;&#8201;&#8202;In the event this agreement is terminated during a fiscal year, and
specifically in the event of termination for cause (<I>wichtiger Grund</I>), ADTRAN Holdings is required to balance the losses of ADVA as shown in the balance sheet to be drawn up as of the date of the effectiveness of the termination in accordance
with applicable accounting rules.</P></TD></TR>
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<TD HEIGHT="8" COLSPAN="2"></TD></TR>
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<TD VALIGN="top" ALIGN="center"><B>&#167;&nbsp;4<BR>Ausgleichszahlung</B></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top" ALIGN="center"><B>&#167;&nbsp;4<BR>Recurring Compensation Payment</B></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:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(1)&#8194;&#8201;&#8202;ADTRAN Holdings verpflichtet sich, den au&szlig;enstehenden
Aktion&auml;ren der ADVA f&uuml;r die Dauer dieses Vertrags als angemessenen Ausgleich nach &#167;&nbsp;304 Abs.&nbsp;1 AktG die Zahlung einer wiederkehrenden Geldleistung (<B><I>Ausgleichszahlung</I></B>) zu zahlen.</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(1)&#8194;&#8201;&#8202;ADTRAN Holdings undertakes to pay to outside shareholders of ADVA as
adequate compensation pursuant to &#167;&nbsp;304 para.&nbsp;1 AktG a recurring cash compensation (<B><I>Recurring Compensation Payment</I></B>) (<I>Ausgleich</I>) as long as this agreement is in effect.</P></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:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(2)&#8194;&#8201;&#8202;Die Ausgleichszahlung betr&auml;gt f&uuml;r jedes volle Gesch&auml;ftsjahr
der ADVA f&uuml;r jede nennwertlose Inhaberaktie der ADVA mit einem rechnerischen Anteil am Grundkapital von EUR&nbsp;1,00 (jede einzelne eine <B><I>ADVA Aktie</I></B>, insgesamt die <B><I>ADVA Aktien</I></B>) brutto EUR&nbsp;0,59
(<B><I>Bruttoausgleichsbetrag</I></B>), abz&uuml;glich eines etwaigen Betrags f&uuml;r K&ouml;rperschaftsteuer und Solidarit&auml;tszuschlag in H&ouml;he des f&uuml;r</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(2)&#8194;&#8201;&#8202;The Recurring Compensation Payment payable for each full fiscal year of
ADVA with respect to each <FONT STYLE="white-space:nowrap">no-par</FONT> value bearer share of ADVA (<I>Namensaktie</I> ohne Nennbetrag), each with a notional value of EUR&nbsp;1.00 (each a <B><I>ADVA Share</I></B>, together the <B><I>ADVA
Shares</I></B>), shall be equal to EUR&nbsp;0.59 gross (<B><I>Gross Compensation Amount</I></B>), less any amount of corporate income tax</P></TD></TR>
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<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:2.00em; font-size:10pt; font-family:Times New Roman">diese Steuern f&uuml;r das jeweilige Gesch&auml;ftsjahr jeweils geltenden Steuersatzes
(<B><I>Nettoausgleichsbetrag</I></B>), wobei dieser Abzug nur auf den Teil des Bruttoausgleichsbetrags, der sich auf die der deutschen K&ouml;rperschaftsteuer unterliegenden Gewinne bezieht, vorzunehmen ist. Am Tag des Abschlusses dieses Vertrags
betr&auml;gt die K&ouml;rperschaftsteuer 15&nbsp;% und der Solidarit&auml;tszuschlag 5,5&nbsp;%. Dementsprechend ergibt sich am Tag des Abschlusses dieses Vertrags nach kaufm&auml;nnischer Rundung auf einen vollen Cent-Betrag eine Ausgleichszahlung
in H&ouml;he von EUR&nbsp;0,52 je ADVA Aktie f&uuml;r ein volles Gesch&auml;ftsjahr der ADVA. Klarstellend wird vereinbart, dass, soweit gesetzlich vorgeschrieben, anfallende Quellensteuern (etwa Kapitalertragsteuer zuz&uuml;glich
Solidarit&auml;tszuschlag) von dem Nettoausgleichsbetrag einbehalten werden.</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:2.00em; font-size:10pt; font-family:Times New Roman">(<I>K&ouml;rperschaftsteuer</I>) and solidarity surcharge (<I>Solidarit&auml;tszuschlag</I>) at the prevailing rate of
these taxes for the relevant fiscal year (<B><I>Net Compensation Amount</I></B>), provided that this deduction is to be effected only on such portion of the Gross Compensation Amount that relates to profits subject to German corporate income tax. As
of the date of the execution of this agreement, the corporate income tax amounted to 15% and the solidary surcharge amounted to 5.5%. When applied to the Gross Compensation Amount which is subject to German corporate income tax and rounded to a full
cent amount in accordance with commercial practices and then deducted, the resulting amount as of the date of the execution of this agreement is a Recurring Compensation Payment of EUR&nbsp;0.52 for each ADVA Share for an entire fiscal year of ADVA.
For the avoidance of doubt, it is agreed that any withholding tax (such as capital gains tax plus solidarity surcharge thereon) shall be withheld from the Net Compensation Amount to the extent required by statutory law.</P></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:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(3)&#8194;&#8201;&#8202;Die Ausgleichszahlung ist am dritten Bankarbeitstag (Frankfurt am Main)
nach der ordentlichen Hauptversammlung der ADVA f&uuml;r das jeweils abgelaufene Gesch&auml;ftsjahr, jedoch sp&auml;testens acht Monate nach Ablauf des jeweiligen Gesch&auml;ftsjahrs f&auml;llig.</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(3)&#8194;&#8201;&#8202;The Recurring Compensation Payment is due on the third banking day
(Frankfurt am Main) following the ordinary general shareholders&#146; meeting of ADVA for the respective preceding fiscal year, but in any event within eight months following expiration of this fiscal year.</P></TD></TR>
</TABLE>
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<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">


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<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(4)&#8194;&#8201;&#8202;Die Ausgleichszahlung wird erstmals f&uuml;r dasjenige Gesch&auml;ftsjahr
der ADVA, in dem dieser Vertrag nach &#167;&nbsp;7 Abs.&nbsp;2 wirksam wird, gew&auml;hrt und wird gem&auml;&szlig; &#167;&nbsp;4 Abs.&nbsp;3 erstmals nach der ordentlichen Hauptversammlung der ADVA im darauffolgenden Jahr gezahlt.</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(4)&#8194;&#8201;&#8202;The Recurring Compensation Payment is first granted for the fiscal year of
ADVA in which this agreement becomes effective according to &#167;&nbsp;7 para.&nbsp;2, and will be paid for the first time in accordance with &#167;&nbsp;4 para.&nbsp;3 after the ordinary general shareholders&#146; meeting of ADVA in the following
year.</P></TD></TR>
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<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:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(5)&#8194;&#8201;&#8202;Falls dieser Vertrag w&auml;hrend eines Gesch&auml;ftsjahrs der ADVA endet
oder ADVA w&auml;hrend der Laufzeit dieses Vertrags ein Rumpfgesch&auml;ftsjahr bildet, vermindert sich der Bruttoausgleichsbetrag f&uuml;r das betroffene Gesch&auml;ftsjahr zeitanteilig.</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(5)&#8194;&#8201;&#8202;If this agreement ends during a fiscal year of ADVA or if ADVA establishes
a short fiscal year (<I>Rumpfgesch&auml;ftsjahr</I>) during the term of this agreement, the Gross Compensation Amount is reduced to <I>pro rata temporis</I> for the relevant fiscal year.</P></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:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(6)&#8194;&#8201;&#8202;Falls das Grundkapital der ADVA aus Gesellschaftsmitteln gegen Ausgabe
neuer Aktien erh&ouml;ht wird, vermindert sich der Bruttoausgleichsbetrag je ADVA Aktie in dem Ma&szlig;e, dass der Gesamtbetrag des Bruttoausgleichsbetrags unver&auml;ndert bleibt. Falls das Grundkapital der ADVA durch Ausgabe neuer Aktien gegen <FONT
STYLE="white-space:nowrap">Bar-</FONT> und/oder Sacheinlagen erh&ouml;ht wird, gelten die Rechte aus diesem &#167;&nbsp;4 auch f&uuml;r die von au&szlig;enstehenden Aktion&auml;ren bezogenen Aktien aus einer solchen Kapitalerh&ouml;hung. Der Beginn
der Berechtigung aus den neu ausgegebenen Aktien nach diesem &#167;&nbsp;4 korrespondiert mit dem von ADVA bei Ausgabe der neuen Aktien festgesetzten Zeitpunkt zur Gewinnanteilsberechtigung.</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(6)&#8194;&#8201;&#8202;If the share capital of ADVA is increased from own funds of ADVA in
exchange for the issuance of new shares, the Gross Compensation Amount per ADVA Share is reduced to such extent that the aggregate amount of the Gross Compensation Amount remains unchanged. If the share capital is increased by the issuance of new
shares against cash contributions and/or contributions in kind, the rights under this &#167;&nbsp;4 also apply for the shares subscribed to by outside shareholders in such capital increase. The beginning of the entitlement to rights under this
&#167;&nbsp;4 in respect of the newly issued shares follows the beginning of entitlement to dividends as set out by ADVA at the time of issuance of the new shares.</P></TD></TR>
</TABLE>
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<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(7)&#8194;&#8201;&#8202;Falls ein Spruchverfahren nach dem Spruchverfahrensgesetz
(&#147;<B>SpruchG</B>&#148;) eingeleitet wird und das Gericht rechtskr&auml;ftig eine h&ouml;here Ausgleichszahlung festsetzt oder in einem gerichtlich protokollierten Vergleich zur Beendigung eines Spruchverfahrens oder in einem Vergleich im
schriftlichen Verfahren nach &#167; 11 Abs. 4 SpruchG eine h&ouml;here Ausgleichszahlung vereinbart wird, k&ouml;nnen auch die bereits nach Ma&szlig;gabe des &#167;&nbsp;5 abgefundenen au&szlig;enstehenden Aktion&auml;re eine entsprechende
Erg&auml;nzung der von ihnen bereits erhaltenen Ausgleichszahlungen verlangen, soweit gesetzlich vorgesehen.</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(7)&#8194;&#8201;&#8202;If appraisal proceedings (<I>Spruchverfahren</I>) are initiated in
accordance with the German Appraisal Proceedings Act (&#147;<B>SpruchG</B>&#148;) and the court legally determines a higher Recurring Compensation Payment or if a higher Recurring Compensation Payment is agreed in a court-recorded settlement
(<I>gerichtlich protokollierter Vergleich</I>) to terminate appraisal proceedings or in a settlement in written proceedings in accordance with &#167; 11 (4) SpruchG, the outside shareholders already compensated in accordance with clause
&#167;&nbsp;5 may also demand a corresponding supplement to the Recurring Compensation Payments already received by them, to the extent provided by law.</P></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
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<TD VALIGN="top" ALIGN="center"><B>&#167;&nbsp;5<BR>Abfindung</B></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top" ALIGN="center"><B>&#167;&nbsp;5<BR>Compensation</B></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:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(1)&#8194;&#8201;&#8202;ADTRAN Holdings verpflichtet sich, auf Verlangen eines jeden
au&szlig;enstehenden Aktion&auml;rs der ADVA dessen ADVA Aktien gegen eine Barabfindung (<B><I>Abfindung</I></B>) in H&ouml;he von EUR&nbsp;17,21 je ADVA Aktie zu erwerben.</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(1)&#8194;&#8201;&#8202;ADTRAN Holdings undertakes upon demand of any outside shareholder of ADVA
to purchase the ADVA Shares tendered by such shareholder in exchange for a cash compensation (<B><I>Compensation</I></B>) (<I>Abfindung</I>) in the amount of EUR&nbsp;17.21 for each ADVA Share.</P></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:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(2)&#8194;&#8201;&#8202;Die Verpflichtung der ADTRAN Holdings zum Erwerb der ADVA Aktien ist
befristet. Die Frist endet zwei Monate nach dem Tag, an dem die Eintragung des Bestehens dieses Vertrags im Handelsregister des Sitzes der ADVA nach &#167;&nbsp;10 HGB bekannt gemacht worden ist. Eine Verl&auml;ngerung</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(2)&#8194;&#8201;&#8202;The obligation of ADTRAN Holdings to acquire ADVA Shares is limited in
time. The time limitation period ends two months after the date on which the entry of the existence of this agreement has been published in the commercial register at the registered seat of ADVA pursuant to &#167;&nbsp;10</P></TD></TR>
</TABLE>
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<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:2.00em; font-size:10pt; font-family:Times New Roman">der Frist nach &#167;&nbsp;305 Abs.&nbsp;4 Satz&nbsp;3 AktG wegen eines Antrags auf Bestimmung der angemessenen
Ausgleichszahlung oder der angemessenen Abfindung durch das in &#167;&nbsp;2 SpruchG bestimmte Gericht bleibt unber&uuml;hrt; in diesem Fall endet die Frist zwei Monate nach dem Tag, an dem die Entscheidung &uuml;ber den zuletzt beschiedenen Antrag
im Bundesanzeiger bekannt gemacht worden ist.</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:2.00em; font-size:10pt; font-family:Times New Roman">HGB. An extension of the time limitation period pursuant to &#167;&nbsp;305 para.&nbsp;4 sent.&nbsp;3 AktG as a result
of a filing for determination of the adequate Recurring Compensation Payment or the adequate Compensation by a court pursuant to &#167;&nbsp;2 SpruchG remains unaffected; in this event, the time limitation period shall expire two months after the
date on which the decision on the last motion disposed has been published in the Federal Gazette (<I>Bundesanzeiger</I>).</P></TD></TR>
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<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:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(3)&#8194;&#8201;&#8202;Falls bis zum Ablauf der in &#167;&nbsp;5 Abs.&nbsp;2 genannten Frist das
Grundkapital der ADVA aus Gesellschaftsmitteln gegen Ausgabe neuer Aktien erh&ouml;ht wird, vermindert sich die Abfindung je ADVA Aktie in dem Ma&szlig;e, dass der Gesamtbetrag der Abfindung unver&auml;ndert bleibt. Falls das Grundkapital der ADVA
bis zum Ablauf der in &#167;&nbsp;5 Abs.&nbsp;2 genannten Frist durch Ausgabe neuer Aktien gegen <FONT STYLE="white-space:nowrap">Bar-</FONT> und/oder Sacheinlagen erh&ouml;ht wird, gelten die Rechte aus diesem &#167;&nbsp;5 auch f&uuml;r die von
au&szlig;enstehenden Aktion&auml;ren bezogenen Aktien aus der Kapitalerh&ouml;hung.</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(3)&#8194;&#8201;&#8202;If the share capital of ADVA is increased from own funds of ADVA in
exchange for the issuance of new shares prior to the expiration of the time limitation period set forth in &#167;&nbsp;5 para.&nbsp;2, the Compensation for each ADVA Share is reduced to such extent that the aggregate amount of the Compensation
remains unchanged. If the share capital of ADVA is increased by the issuance of new shares against cash contributions and/or contributions in kind prior to the expiration of the time limitation period set forth in &#167;&nbsp;5 para.&nbsp;2, the
rights under this &#167;&nbsp;5 also apply for the shares subscribed to by outside shareholders in such capital increase.</P></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:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(4)&#8194;&#8201;&#8202;Die &Uuml;bertragung der ADVA Aktien gegen Abfindung ist f&uuml;r die
au&szlig;enstehenden Aktion&auml;re der ADVA kostenfrei, sofern sie &uuml;ber ein inl&auml;ndisches Wertpapierdepot verf&uuml;gen.</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(4)&#8194;&#8201;&#8202;The transfer of ADVA Shares in exchange for Compensation is without charge
to outside shareholders of ADVA, provided that they have a domestic securities deposit account.</P></TD></TR>
</TABLE>
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<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">


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<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(5)&#8194;&#8201;&#8202;Falls ein Spruchverfahren nach dem SpruchG eingeleitet wird und das
Gericht rechtskr&auml;ftig eine h&ouml;here Abfindung festsetzt oder in einem gerichtlich protokollierten Vergleich zur Beendigung eines Spruchverfahrens oder in einem Vergleich im schriftlichen Verfahren nach &#167;&nbsp;11 Abs. 4 SpruchG eine
h&ouml;here Abfindung vereinbart wird, k&ouml;nnen auch die bereits abgefundenen au&szlig;enstehenden Aktion&auml;re eine entsprechende Erg&auml;nzung der Abfindung verlangen, soweit gesetzlich vorgesehen.</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(5)&#8194;&#8201;&#8202;If appraisal proceedings (<I>Spruchverfahren</I>) are initiated in
accordance with the SpruchG and the court legally determines a higher Compensation, or if a higher Compensation is agreed in a court-recorded settlement (<I>gerichtlich protokollierter Vergleich</I>) to terminate appraisal proceedings or in a
settlement in written proceedings in accordance with Sec. 11 (4) SpruchG, the outside shareholders who have already received the Compensation may also demand a corresponding supplement to the Compensationg, to the extent provided by
law.</P></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:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(6)&#8194;&#8201;&#8202;Falls dieser Vertrag durch K&uuml;ndigung der ADVA oder ADTRAN Holdings zu
einem Zeitpunkt endet, zu dem die Frist nach &#167;&nbsp;5 Abs.&nbsp;2 f&uuml;r den Erwerb der ADVA Aktien durch ADTRAN Holdings gegen Abfindung nach &#167;&nbsp;5 Abs.&nbsp;1 abgelaufen ist, hat jeder au&szlig;enstehende Aktion&auml;r der ADVA das
Recht, seine ADVA Aktien, die er im Zeitpunkt der Beendigung dieses Vertrags h&auml;lt, ADTRAN Holdings gegen Abfindung nach &#167;&nbsp;5 Abs.&nbsp;1 anzubieten und ADTRAN Holdings ist verpflichtet, die von dem au&szlig;enstehenden Aktion&auml;r
angebotenen ADVA Aktien zu erwerben. Falls die Abfindung nach &#167;&nbsp;5 Abs.&nbsp;1 f&uuml;r jede ADVA Aktie durch eine rechtskr&auml;ftige Entscheidung in einem Spruchverfahren oder durch einen gerichtlich protokollierten Vergleich zur
Abwendung oder Beendigung eines Spruchverfahrens erh&ouml;ht wird, wird ADTRAN Holdings die von dem au&szlig;enstehenden Aktion&auml;r angebotenen</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(6)&#8194;&#8201;&#8202;If this agreement ends upon termination by ADVA or ADTRAN Holdings at a
time when the period pursuant to &#167;&nbsp;5 para.&nbsp;2 to tender the ADVA Shares to ADTRAN Holdings against the Compensation pursuant to &#167;&nbsp;5 para.&nbsp;1 has expired, every outside shareholder of ADVA is entitled to tender the ADVA
Shares held at the time of termination of this agreement to ADTRAN Holdings against the Compensation pursuant to &#167;&nbsp;5 para.&nbsp;1 and ADTRAN Holdings shall be obliged to acquire the ADVA Shares tendered by the outside shareholder. If the
Compensation pursuant to &#167;&nbsp;5 para.&nbsp;1 for each ADVA Share is increased as a result of <FONT STYLE="white-space:nowrap">non-appealable</FONT> appraisal proceedings (<I>Spruchverfahren</I>) or as a result of a judicially recorded
settlement (<I>gerichtlich</I><I> </I><I>protokollierter</I><I> </I><I>Vergleich</I>) in order to avert or terminate appraisal proceedings (<I>Spruchverfahren</I>), ADTRAN Holdings will acquire the
</P></TD></TR></TABLE>
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<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">


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<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:2.00em; font-size:10pt; font-family:Times New Roman">ADVA Aktien gegen Zahlung der im Spruchverfahren oder im gerichtlich protokollierten Vergleich festgesetzten Abfindung
erwerben. Das Recht unter diesem &#167;&nbsp;5 Abs.&nbsp;6 ist befristet. Die Frist endet zwei Monate nach dem Tag, an dem die Eintragung der Beendigung dieses Vertrags im Handelsregister des Sitzes der ADVA nach &#167;&nbsp;10 HGB bekannt gemacht
worden ist. &#167;&nbsp;5 Abs.&nbsp;3 und &#167;&nbsp;5 Abs.&nbsp;4 gelten entsprechend.</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:2.00em; font-size:10pt; font-family:Times New Roman">ADVA Shares tendered by the outside shareholders against payment of the Compensation for each ADVA Share as determined
in the appraisal proceedings or judicially recorded settlement (<I>gerichtlich</I><I> </I><I>protokollierter</I><I> </I><I>Vergleich</I>). The right of disposal as set forth in this &#167;&nbsp;5 para.&nbsp;6 is limited in time. The time limitation
periods ends two months after the date on which the registration of the termination of this agreement has been published in the commercial register at the registered seat of ADVA pursuant to &#167;&nbsp;10 HGB. &#167;&nbsp;5 para.&nbsp;3 and
&#167;&nbsp;5 para.&nbsp;4 apply accordingly.</P></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" ALIGN="center"><B>&#167;&nbsp;6<BR>Auskunftsrecht</B></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top" ALIGN="center"><B>&#167;&nbsp;6<BR>Right to Information</B></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:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(1)&#8194;&#8201;&#8202;ADTRAN Holdings ist berechtigt, B&uuml;cher und Schriften der ADVA
jederzeit einzusehen.</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(1)&#8194;&#8201;&#8202;ADTRAN Holdings is entitled to inspect the books and records of ADVA at
any time.</P></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:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(2)&#8194;&#8201;&#8202;Der Vorstand der ADVA ist verpflichtet, ADTRAN Holdings jederzeit alle
verlangten Ausk&uuml;nfte &uuml;ber s&auml;mtliche Angelegenheiten der ADVA zu geben.</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(2)&#8194;&#8201;&#8202;The management board of ADVA is obliged to supply ADTRAN Holdings at any
time with all requested information on all matters relating to ADVA.</P></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:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(3)&#8194;&#8201;&#8202;Unbeschadet der vorstehenden Rechte ist ADVA verpflichtet, ADTRAN Holdings
&uuml;ber die gesch&auml;ftliche Entwicklung, insbesondere &uuml;ber wesentliche Gesch&auml;ftsvorf&auml;lle, laufend zu informieren.</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(3)&#8194;&#8201;&#8202;Notwithstanding the rights above, ADVA is required to keep ADTRAN Holdings
continuously informed on the business development and, specifically, on material transactions.</P></TD></TR>
</TABLE>
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<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">


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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:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(4)&#8194;&#8201;&#8202;Solange es sich bei ADVA um eine b&ouml;rsennotierte Aktiengesellschaft
handelt, sind die Parteien verpflichtet, die kapitalmarktrechtlichen Vorschriften, insbesondere die Marktmissbrauchsverordnung (EU) Nr. 596/2014, einzuhalten.</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(4)&#8194;&#8201;&#8202;As long as ADVA is a publicly listed stock corporation the Parties are
obliged to comply with the capital market law requirements, in particular with Market Abuse Regulation (EU) No 596/2014.</P></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" ALIGN="center"><B>&#167;&nbsp;7<BR>Wirksamwerden und Dauer des Vertrags</B></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top" ALIGN="center"><B>&#167;&nbsp;7<BR>Effectiveness and Term of this Agreement</B></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:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(1)&#8194;&#8201;&#8202;Dieser Vertrag bedarf zu seiner Wirksamkeit der Zustimmung der
Hauptversammlung der ADVA.</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(1)&#8194;&#8201;&#8202;This agreement requires for its effectiveness the consent of the general
shareholders&#146; meeting of ADVA.</P></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:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(2)&#8194;&#8201;&#8202;Dieser Vertrag wird wirksam, sobald sein Bestehen in das Handelsregister
des Sitzes der ADVA eingetragen worden ist, fr&uuml;hestens jedoch zu Beginn des am 1. Januar 2023 beginnenden Gesch&auml;ftsjahres von ADVA.</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(2)&#8194;&#8201;&#8202;This agreement becomes effective upon registration of its existence in the
commercial register at the registered seat of ADVA, however, at the earliest, upon the beginning of the fiscal year of ADVA beginning on 1&nbsp;January 2023 .</P></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:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(3)&#8194;&#8201;&#8202;Dieser Vertrag wird f&uuml;r die Zeit bis zum Ablauf des zweiten (2.)
Gesch&auml;ftsjahres von ADVA, das nach der Eintragung dieses Vertrags im Handelsregister beginnt, fest abgeschlossen (&#147;<B>Erstlaufzeit</B>&#148;). Mit Ablauf der Erstlaufzeit und jeder nachfolgenden Folgelaufzeit (wie unten definiert)
verl&auml;ngert sich dieser Vertrag automatisch jeweils um weitere zwei Gesch&auml;ftsjahre von ADVA (jeweils eine &#147;<B>Folgelaufzeit</B>&#148;), falls er nicht sechs Monate vor Ablauf der Erstlaufzeit oder der betreffenden Folgelaufzeit von
einer Partei schriftlich gek&uuml;ndigt wird. Sonstige Rechte zur ordentlichen K&uuml;ndigung sind ausgeschossen.</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(3)&#8194;&#8201;&#8202;This Agreement is entered into for a fixed term until the end of
ADVA&#146;s second (2nd) fiscal year, which begins after the registration of this Agreement in the commercial register (&#147;<B>Initial</B> <B>Term</B>&#148;). Upon expiration of the Initial Term and each subsequent Term (as defined below), this
Agreement shall automatically renew for an additional two fiscal years of ADVA (each a &#147;<B>Subsequent Term</B>&#148;) unless terminated in writing by either party six months prior to the expiration of the Initial&nbsp;Term or the relevant
Subsequent&nbsp;Term. Any other rights of ordinary termination are excluded.</P></TD></TR>
</TABLE>
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<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">

<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">


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<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="48%"></TD></TR>


<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(4)&#8194;&#8201;&#8202;Jede Partei kann diesen Vertrag aus wichtigem Grund ohne Einhaltung einer
K&uuml;ndigungsfrist k&uuml;ndigen. Falls ADTRAN Holdings nach diesem Vertrag bestehende Zahlungsverpflichtungen nicht erf&uuml;llt, soll ADVA die ADTRAN Holdings hiervon unterrichten und ihr einen Monat Zeit zur Erf&uuml;llung geben, bevor ADVA
diesen Vertrag aus wichtigem Grund k&uuml;ndigt. &#167;&nbsp;297 Abs.&nbsp;1 Satz&nbsp;2 AktG bleibt unber&uuml;hrt.</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(4)&#8194;&#8201;&#8202;Each party may terminate this agreement for cause (<I>aus wichtigem
Grund</I>) without compliance with any notice period. If ADTRAN Holdings fails to perform any of its payment obligations under this agreement, ADVA shall give notice to ADTRAN Holdings and grant a period of one month to cure the default before
terminating this agreement for cause. &#167;&nbsp;297 para.&nbsp;1 sent.&nbsp;2 AktG remains unaffected.</P></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:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(5)&#8194;&#8201;&#8202;Insbesondere sind die Vertragsparteien zur K&uuml;ndigung aus wichtigem
Grund berechtigt, sofern:</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(5)&#8194;&#8201;&#8202;The parties to this agreement are entitled to terminate this agreement in
particular, but without limitation to, if one of the following events occurs:</P></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:4.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(a)&#8194;&#8201;&#8202;ADTRAN Holdings wegen einer Ver&auml;u&szlig;erung der ADVA Aktien, einer
Einbringung der ADVA Aktien in eine andere Gesellschaft oder eines anderen Grunds in der Hauptversammlung der ADVA nicht mehr die Mehrheit der Stimmrechte zusteht; oder</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(a)&#8194;&#8201;&#8202;ADTRAN Holdings ceases to hold the majority of the voting rights in the
general shareholders&#146; meeting of ADVA as a result of a disposal of ADVA Shares, or a contribution of ADVA Shares to another entity, or for another reason; or</P></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:4.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(b)&#8194;&#8201;&#8202;ein Rechtsformwechsel, eine Verschmelzung, Spaltung oder Liquidation einer
der Vertragsparteien stattfindet.</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(b)&#8194;&#8201;&#8202;a change in legal form, merger, demerger or liquidation of one of the
parties to this agreement.</P></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:4.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(6)&#8194;&#8201;&#8202;Im Fall einer fristlosen K&uuml;ndigung aus wichtigem Grund endet dieser
Vertrag mit dem Ablauf des in der K&uuml;ndigung genannten Tags, fr&uuml;hestens jedoch mit Ablauf desjenigen Tags, an dem die K&uuml;ndigung zugeht.</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(6)&#8194;&#8201;&#8202;In the event of termination for cause without notice, this agreement
lapses at the end of the date stated in the notice of termination, provided that this date is no earlier than the day on which notice of termination is served.</P></TD></TR>
</TABLE>
</DIV></Center>


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


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<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="48%"></TD></TR>


<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(7)&#8194;&#8201;&#8202;Endet dieser Vertrag, hat ADTRAN Holdings den Gl&auml;ubigern der ADVA
nach Ma&szlig;gabe des &#167;&nbsp;303 AktG Sicherheit zu leisten.</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(7)&#8194;&#8201;&#8202;If the agreement is terminated, ADTRAN Holdings must furnish security to
the creditors of ADVA under the conditions set forth in &#167;&nbsp;303 AktG.</P></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:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(8)&#8194;&#8201;&#8202;Die K&uuml;ndigung muss schriftlich erfolgen.</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(8)&#8194;&#8201;&#8202;Any notice of termination must be in writing.</P></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" ALIGN="center"><B>&#167;&nbsp;8<BR>Schlussbestimmungen</B></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top" ALIGN="center"><B>&#167;&nbsp;8<BR>Miscellaneous</B></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:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(1)&#8194;&#8201;&#8202;Sollte eine Bestimmung dieses Vertrags ganz oder teilweise unwirksam,
undurchf&uuml;hrbar oder nicht durchsetzbar sein oder werden, ist davon die G&uuml;ltigkeit, Wirksamkeit und Durchsetzbarkeit der &uuml;brigen Bestimmungen nicht ber&uuml;hrt. Anstelle der unwirksamen, undurchf&uuml;hrbaren oder nicht durchsetzbaren
Bestimmung gilt eine wirksame, durchf&uuml;hrbare und durchsetzbare Bestimmung, die dem wirtschaftlich Gewollten und dem mit der unwirksamen, undurchf&uuml;hrbaren oder nicht durchsetzbaren Bestimmung Bezweckten am n&auml;chsten kommt.
Entsprechendes gilt f&uuml;r den Fall einer unbeabsichtigten L&uuml;cke dieses Vertrags. Die Parteien vereinbaren, dass durch das Vorstehende nicht nur eine Beweislastumkehr eintritt, sondern auch die Anwendbarkeit des &#167;&nbsp;139 BGB
ausgeschlossen ist.</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(1)&#8194;&#8201;&#8202;Should any provision of this agreement be or become invalid, ineffective
or unenforceable as a whole or in part, the validity, effectiveness and enforceability of the remaining provisions shall not be affected thereby. Any such invalid, ineffective or unenforceable provision shall be deemed replaced by such valid,
effective and enforceable provision as comes closest to the economic intent and the purpose of such invalid, ineffective or unenforceable provision. The aforesaid shall apply analogously to any unintended gap in this agreement. The parties agree
that the aforesaid shall not only reverse the burden of proof but that the application of &#167;&nbsp;139 BGB shall be excluded in its entirety as well.</P></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:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(2)&#8194;&#8201;&#8202;Die Parteien erkl&auml;ren ausdr&uuml;cklich, dass dieser Vertrag keine
rechtliche Einheit (&#167;&nbsp;139 BGB) mit anderen Rechtsgesch&auml;ften oder Vereinbarungen, die zwischen den Parteien get&auml;tigt oder abgeschlossen wurden oder werden, bildet oder bilden soll.</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(2)&#8194;&#8201;&#8202;The parties explicitly declare that this agreement is not intended to form
a legal unity (&#167;&nbsp;139 BGB) with other legal transactions or agreements which are or will be concluded and/or effected between the parties.</P></TD></TR>
</TABLE>
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<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">


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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:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(3)&#8194;&#8201;&#8202;&Auml;nderungen und Erg&auml;nzungen dieses Vertrags bed&uuml;rfen zu
ihrer Wirksamkeit der Schriftform. Dies gilt insbesondere auch f&uuml;r diese Schriftformklausel. Im &Uuml;brigen gilt &#167;&nbsp;295 AktG.</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(3)&#8194;&#8201;&#8202;Amendments and supplements to this agreement must be in writing to be
effective. This specifically applies to this clause requiring written form as well. &#167;&nbsp;295 AktG applies.</P></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:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(4)&#8194;&#8201;&#8202;Dieser Vertrag unterliegt dem Recht der Bundesrepublik Deutschland unter
Ausschluss der Bestimmungen des Internationalen Privatrechts. Soweit rechtlich zul&auml;ssig, ist Frankfurt am Main Erf&uuml;llungsort f&uuml;r die beiderseitigen Verpflichtungen aus diesem Vertrag sowie ausschlie&szlig;licher
Gerichtsstand.</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(4)&#8194;&#8201;&#8202;This agreement is subject to German law under exclusion of its provisions
on private international law. As far as legally permissible, Frankfurt am Main is the place of performance for reciprocal obligations and the exclusive legal venue.</P></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:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(5)&#8194;&#8201;&#8202;Nur der deutsche Text dieses Vertrags ist rechtsverbindlich. Der englische
Text ist nicht Teil des Vertrags und nur eine unverbindliche &Uuml;bersetzung.</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">(5)&#8194;&#8201;&#8202;Only the German text of this agreement is legally binding. The English
text is not part of this agreement and a <FONT STYLE="white-space:nowrap">non-binding</FONT> convenience translation only.</P></TD></TR>
</TABLE>
</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"><B>ADVA Optical Networking SE </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:2%; font-size:10pt; font-family:Times New Roman">Meiningen, den 1 Dezember 2022 / 1<SUP STYLE="font-size:75%; vertical-align:top">st</SUP> of December, 2022 </P>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD VALIGN="top"> <P STYLE="margin-top:0pt; margin-bottom:0pt; border-bottom:1px solid #000000; font-size:10pt; font-family:Times New Roman" ALIGN="center">/s/ Dr.&nbsp;Christoph Glingener</P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">Dr.&nbsp;Christoph Glingener Vor-</P> <P STYLE="font-size:6pt; margin-top:0pt; margin-bottom:0pt" align="left">&nbsp;</P>
<P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">sitzender des Vorstands</P></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" ALIGN="center"><I>Chief Executive Officer</I></TD></TR>
</TABLE> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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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:1pt; border-bottom:1px solid #000000; font-size:10pt; font-family:Times New Roman" ALIGN="center">/s/ Ulrich Dopfer</P></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE="font-size:6pt; margin-top:0pt; margin-bottom:0pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">Ulrich Dopfer</P></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" ALIGN="center">Mitglied des Vorstands</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" ALIGN="center"><I>Chief Financial Officer</I></TD></TR>
</TABLE> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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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:1pt; border-bottom:1px solid #000000; font-size:10pt; font-family:Times New Roman" ALIGN="center">/s/ Scott St. John </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; font-size:10pt; font-family:Times New Roman" ALIGN="center">Scott St. John</P> <P STYLE="font-size:6pt; margin-top:0pt; margin-bottom:0pt" align="left">&nbsp;</P>
<P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">Mitglied des Vorstands</P></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" ALIGN="center"><I>Chief Marketing and Sales Officer</I></TD></TR>
</TABLE>
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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>ADTRAN Holdings, Inc. </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:2%; font-size:10pt; font-family:Times New Roman">Huntsville (Alabama, USA), den 1 Dezember 2022 / 1<SUP STYLE="font-size:75%; vertical-align:top">st</SUP> of December, 2022 </P>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD WIDTH="100%"></TD></TR>


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<TD VALIGN="top"> <P STYLE="margin-top:0pt; margin-bottom:1pt; border-bottom:1px solid #000000; font-size:10pt; font-family:Times New Roman" ALIGN="center">/s/ Thomas R. Stanton</P></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" ALIGN="center">Thomas R. Stanton</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" ALIGN="center"><I>Chief Executive Officer and Chairman of the Board</I></TD></TR>
</TABLE>
</DIV></Center>

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<?xml version="1.0" encoding="us-ascii"?>
<!-- DFIN - https://www.dfinsolutions.com/ -->
<!-- CTU Version: Release master Build:20221108.6 -->
<!-- Creation date: 12/5/2022 9:11:12 PM Eastern Time -->
<!-- Copyright (c) 2022 Donnelley Financial Solutions, Inc. All Rights Reserved. -->
<xsd:schema
  xmlns:nonnum="http://www.xbrl.org/dtr/type/non-numeric"
  xmlns:num="http://www.xbrl.org/dtr/type/numeric"
  xmlns:us-types="http://fasb.org/us-types/2022"
  xmlns:adtn="http://www.adtran.com/20221201"
  xmlns:dei="http://xbrl.sec.gov/dei/2022"
  xmlns:xbrli="http://www.xbrl.org/2003/instance"
  xmlns:link="http://www.xbrl.org/2003/linkbase"
  xmlns:xlink="http://www.w3.org/1999/xlink"
  xmlns:xbrldt="http://xbrl.org/2005/xbrldt"
  attributeFormDefault="unqualified"
  elementFormDefault="qualified"
  targetNamespace="http://www.adtran.com/20221201"
  xmlns:xsd="http://www.w3.org/2001/XMLSchema">
    <xsd:import schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd" namespace="http://www.xbrl.org/2003/instance" />
    <xsd:import schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" namespace="http://www.xbrl.org/2003/linkbase" />
    <xsd:import schemaLocation="https://xbrl.sec.gov/dei/2022/dei-2022.xsd" namespace="http://xbrl.sec.gov/dei/2022" />
    <xsd:import schemaLocation="http://www.xbrl.org/dtr/type/numeric-2009-12-16.xsd" namespace="http://www.xbrl.org/dtr/type/numeric" />
    <xsd:import schemaLocation="http://www.xbrl.org/dtr/type/nonNumeric-2009-12-16.xsd" namespace="http://www.xbrl.org/dtr/type/non-numeric" />
    <xsd:import schemaLocation="https://xbrl.sec.gov/naics/2022/naics-2022.xsd" namespace="http://xbrl.sec.gov/naics/2022" />
    <xsd:import schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd" namespace="http://xbrl.org/2005/xbrldt" />
  <xsd:annotation>
    <xsd:appinfo>
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="adtn-20221201_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:title="Label Links, all" xlink:type="simple" />
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="adtn-20221201_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:title="Presentation Links, all" xlink:type="simple" />
      <link:roleType roleURI="http://www.adtran.com//20221201/taxonomy/role/DocumentDocumentAndEntityInformation" id="Role_DocumentDocumentAndEntityInformation">
        <link:definition>100000 - Document - Document and Entity Information</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
    </xsd:appinfo>
  </xsd:annotation>
</xsd:schema>
</XBRL>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.LAB
<SEQUENCE>4
<FILENAME>adtn-20221201_lab.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE
<TEXT>
<XBRL>
<?xml version="1.0" encoding="us-ascii" standalone="yes"?>
<!-- DFIN - https://www.dfinsolutions.com/ -->
<!-- CTU Version: Release master Build:20221108.6 -->
<!-- Creation date: 12/5/2022 9:11:12 PM Eastern Time -->
<!-- Copyright (c) 2022 Donnelley Financial Solutions, Inc. All Rights Reserved. -->
<link:linkbase
  xmlns:link="http://www.xbrl.org/2003/linkbase"
  xmlns:xlink="http://www.w3.org/1999/xlink"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:labelLink xlink:role="http://www.xbrl.org/2003/role/link" xlink:type="extended">
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_CoverAbstract" xlink:type="locator" xlink:label="dei_CoverAbstract" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_CoverAbstract" xlink:to="dei_CoverAbstract_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_CoverAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Cover [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:label="dei_CoverAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cover [Abstract]</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_AmendmentFlag" xlink:type="locator" xlink:label="dei_AmendmentFlag" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_AmendmentFlag" xlink:to="dei_AmendmentFlag_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_AmendmentFlag_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Amendment Flag</link:label>
    <link:label xml:lang="en-US" xlink:label="dei_AmendmentFlag_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amendment Flag</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityCentralIndexKey" xlink:type="locator" xlink:label="dei_EntityCentralIndexKey" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityCentralIndexKey" xlink:to="dei_EntityCentralIndexKey_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_EntityCentralIndexKey_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Entity Central Index Key</link:label>
    <link:label xml:lang="en-US" xlink:label="dei_EntityCentralIndexKey_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Central Index Key</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_DocumentType" xlink:type="locator" xlink:label="dei_DocumentType" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentType" xlink:to="dei_DocumentType_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_DocumentType_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Document Type</link:label>
    <link:label xml:lang="en-US" xlink:label="dei_DocumentType_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Type</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_DocumentPeriodEndDate" xlink:type="locator" xlink:label="dei_DocumentPeriodEndDate" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentPeriodEndDate" xlink:to="dei_DocumentPeriodEndDate_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_DocumentPeriodEndDate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Document Period End Date</link:label>
    <link:label xml:lang="en-US" xlink:label="dei_DocumentPeriodEndDate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Period End Date</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityRegistrantName" xlink:type="locator" xlink:label="dei_EntityRegistrantName" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityRegistrantName" xlink:to="dei_EntityRegistrantName_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_EntityRegistrantName_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Entity Registrant Name</link:label>
    <link:label xml:lang="en-US" xlink:label="dei_EntityRegistrantName_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Registrant Name</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityIncorporationStateCountryCode" xlink:type="locator" xlink:label="dei_EntityIncorporationStateCountryCode" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityIncorporationStateCountryCode" xlink:to="dei_EntityIncorporationStateCountryCode_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_EntityIncorporationStateCountryCode_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Entity Incorporation State Country Code</link:label>
    <link:label xml:lang="en-US" xlink:label="dei_EntityIncorporationStateCountryCode_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Incorporation State Country Code</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityFileNumber" xlink:type="locator" xlink:label="dei_EntityFileNumber" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityFileNumber" xlink:to="dei_EntityFileNumber_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_EntityFileNumber_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Entity File Number</link:label>
    <link:label xml:lang="en-US" xlink:label="dei_EntityFileNumber_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity File Number</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityTaxIdentificationNumber" xlink:type="locator" xlink:label="dei_EntityTaxIdentificationNumber" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityTaxIdentificationNumber" xlink:to="dei_EntityTaxIdentificationNumber_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_EntityTaxIdentificationNumber_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Entity Tax Identification Number</link:label>
    <link:label xml:lang="en-US" xlink:label="dei_EntityTaxIdentificationNumber_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Tax Identification Number</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityAddressAddressLine1" xlink:type="locator" xlink:label="dei_EntityAddressAddressLine1" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityAddressAddressLine1" xlink:to="dei_EntityAddressAddressLine1_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_EntityAddressAddressLine1_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, Address Line One</link:label>
    <link:label xml:lang="en-US" xlink:label="dei_EntityAddressAddressLine1_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Address, Address Line One</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityAddressCityOrTown" xlink:type="locator" xlink:label="dei_EntityAddressCityOrTown" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityAddressCityOrTown" xlink:to="dei_EntityAddressCityOrTown_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_EntityAddressCityOrTown_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, City or Town</link:label>
    <link:label xml:lang="en-US" xlink:label="dei_EntityAddressCityOrTown_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Address, City or Town</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityAddressStateOrProvince" xlink:type="locator" xlink:label="dei_EntityAddressStateOrProvince" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityAddressStateOrProvince" xlink:to="dei_EntityAddressStateOrProvince_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_EntityAddressStateOrProvince_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, State or Province</link:label>
    <link:label xml:lang="en-US" xlink:label="dei_EntityAddressStateOrProvince_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Address, State or Province</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityAddressPostalZipCode" xlink:type="locator" xlink:label="dei_EntityAddressPostalZipCode" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityAddressPostalZipCode" xlink:to="dei_EntityAddressPostalZipCode_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_EntityAddressPostalZipCode_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, Postal Zip Code</link:label>
    <link:label xml:lang="en-US" xlink:label="dei_EntityAddressPostalZipCode_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Address, Postal Zip Code</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_CityAreaCode" xlink:type="locator" xlink:label="dei_CityAreaCode" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_CityAreaCode" xlink:to="dei_CityAreaCode_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_CityAreaCode_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">City Area Code</link:label>
    <link:label xml:lang="en-US" xlink:label="dei_CityAreaCode_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">City Area Code</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_LocalPhoneNumber" xlink:type="locator" xlink:label="dei_LocalPhoneNumber" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_LocalPhoneNumber" xlink:to="dei_LocalPhoneNumber_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_LocalPhoneNumber_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Local Phone Number</link:label>
    <link:label xml:lang="en-US" xlink:label="dei_LocalPhoneNumber_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Local Phone Number</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_WrittenCommunications" xlink:type="locator" xlink:label="dei_WrittenCommunications" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_WrittenCommunications" xlink:to="dei_WrittenCommunications_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_WrittenCommunications_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Written Communications</link:label>
    <link:label xml:lang="en-US" xlink:label="dei_WrittenCommunications_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Written Communications</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_SolicitingMaterial" xlink:type="locator" xlink:label="dei_SolicitingMaterial" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_SolicitingMaterial" xlink:to="dei_SolicitingMaterial_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_SolicitingMaterial_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Soliciting Material</link:label>
    <link:label xml:lang="en-US" xlink:label="dei_SolicitingMaterial_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Soliciting Material</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_PreCommencementTenderOffer" xlink:type="locator" xlink:label="dei_PreCommencementTenderOffer" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_PreCommencementTenderOffer" xlink:to="dei_PreCommencementTenderOffer_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_PreCommencementTenderOffer_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Pre Commencement Tender Offer</link:label>
    <link:label xml:lang="en-US" xlink:label="dei_PreCommencementTenderOffer_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Pre Commencement Tender Offer</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_PreCommencementIssuerTenderOffer" xlink:type="locator" xlink:label="dei_PreCommencementIssuerTenderOffer" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_PreCommencementIssuerTenderOffer" xlink:to="dei_PreCommencementIssuerTenderOffer_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_PreCommencementIssuerTenderOffer_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Pre Commencement Issuer Tender Offer</link:label>
    <link:label xml:lang="en-US" xlink:label="dei_PreCommencementIssuerTenderOffer_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Pre Commencement Issuer Tender Offer</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_Security12bTitle" xlink:type="locator" xlink:label="dei_Security12bTitle" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_Security12bTitle" xlink:to="dei_Security12bTitle_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_Security12bTitle_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Security 12b Title</link:label>
    <link:label xml:lang="en-US" xlink:label="dei_Security12bTitle_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Security 12b Title</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_TradingSymbol" xlink:type="locator" xlink:label="dei_TradingSymbol" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_TradingSymbol" xlink:to="dei_TradingSymbol_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_TradingSymbol_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Trading Symbol</link:label>
    <link:label xml:lang="en-US" xlink:label="dei_TradingSymbol_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Trading Symbol</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_SecurityExchangeName" xlink:type="locator" xlink:label="dei_SecurityExchangeName" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_SecurityExchangeName" xlink:to="dei_SecurityExchangeName_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_SecurityExchangeName_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Security Exchange Name</link:label>
    <link:label xml:lang="en-US" xlink:label="dei_SecurityExchangeName_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Security Exchange Name</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityEmergingGrowthCompany" xlink:type="locator" xlink:label="dei_EntityEmergingGrowthCompany" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityEmergingGrowthCompany" xlink:to="dei_EntityEmergingGrowthCompany_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_EntityEmergingGrowthCompany_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Entity Emerging Growth Company</link:label>
    <link:label xml:lang="en-US" xlink:label="dei_EntityEmergingGrowthCompany_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Emerging Growth Company</link:label>
  </link:labelLink>
</link:linkbase>
</XBRL>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.PRE
<SEQUENCE>5
<FILENAME>adtn-20221201_pre.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE
<TEXT>
<XBRL>
<?xml version="1.0" encoding="us-ascii" standalone="yes"?>
<!-- DFIN - https://www.dfinsolutions.com/ -->
<!-- CTU Version: Release master Build:20221108.6 -->
<!-- Creation date: 12/5/2022 9:11:12 PM Eastern Time -->
<!-- Copyright (c) 2022 Donnelley Financial Solutions, Inc. All Rights Reserved. -->
<link:linkbase
    xmlns:link="http://www.xbrl.org/2003/linkbase"
    xmlns:xlink="http://www.w3.org/1999/xlink"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns:xbrldt="http://xbrl.org/2005/xbrldt"
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    <link:loc xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityAddressAddressLine1" xlink:type="locator" xlink:label="dei_EntityAddressAddressLine1" />
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    <link:loc xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityAddressCityOrTown" xlink:type="locator" xlink:label="dei_EntityAddressCityOrTown" />
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    <link:loc xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityAddressStateOrProvince" xlink:type="locator" xlink:label="dei_EntityAddressStateOrProvince" />
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<DOCUMENT>
<TYPE>XML
<SEQUENCE>6
<FILENAME>R1.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="include/report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
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							e.nextSibling.style.display='block';
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</head>
<body>
<span style="display: none;">v3.22.2.2</span><table class="report" border="0" cellspacing="2" id="idm140547623314656">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Document and Entity Information<br></strong></div></th>
<th class="th"><div>Dec. 01, 2022</div></th>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_CoverAbstract', window );"><strong>Cover [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_AmendmentFlag', window );">Amendment Flag</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityCentralIndexKey', window );">Entity Central Index Key</a></td>
<td class="text">0000926282<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_DocumentType', window );">Document Type</a></td>
<td class="text">8-K<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_DocumentPeriodEndDate', window );">Document Period End Date</a></td>
<td class="text">Dec.  01,  2022<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityRegistrantName', window );">Entity Registrant Name</a></td>
<td class="text">ADTRAN Holdings, Inc.<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityIncorporationStateCountryCode', window );">Entity Incorporation State Country Code</a></td>
<td class="text">DE<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityFileNumber', window );">Entity File Number</a></td>
<td class="text">001-41446<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityTaxIdentificationNumber', window );">Entity Tax Identification Number</a></td>
<td class="text">87-2164282<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityAddressAddressLine1', window );">Entity Address, Address Line One</a></td>
<td class="text">901 Explorer Boulevard<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityAddressCityOrTown', window );">Entity Address, City or Town</a></td>
<td class="text">Huntsville<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityAddressStateOrProvince', window );">Entity Address, State or Province</a></td>
<td class="text">AL<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityAddressPostalZipCode', window );">Entity Address, Postal Zip Code</a></td>
<td class="text">35806-2807<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_CityAreaCode', window );">City Area Code</a></td>
<td class="text">(256)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_LocalPhoneNumber', window );">Local Phone Number</a></td>
<td class="text">963-8000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_WrittenCommunications', window );">Written Communications</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_SolicitingMaterial', window );">Soliciting Material</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_PreCommencementTenderOffer', window );">Pre Commencement Tender Offer</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_PreCommencementIssuerTenderOffer', window );">Pre Commencement Issuer Tender Offer</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_Security12bTitle', window );">Security 12b Title</a></td>
<td class="text">Common Stock, Par Value $0.01<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_TradingSymbol', window );">Trading Symbol</a></td>
<td class="text">ADTN<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_SecurityExchangeName', window );">Security Exchange Name</a></td>
<td class="text">NASDAQ<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityEmergingGrowthCompany', window );">Entity Emerging Growth Company</a></td>
<td class="text">false<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_AmendmentFlag">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the XBRL content amends previously-filed or accepted submission.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_AmendmentFlag</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_CityAreaCode">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Area code of city</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_CityAreaCode</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_CoverAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Cover page.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_CoverAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_DocumentPeriodEndDate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>For the EDGAR submission types of Form 8-K: the date of the report, the date of the earliest event reported; for the EDGAR submission types of Form N-1A: the filing date; for all other submission types: the end of the reporting or transition period.  The format of the date is YYYY-MM-DD.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_DocumentPeriodEndDate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:dateItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_DocumentType">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_DocumentType</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:submissionTypeItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityAddressAddressLine1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Address Line 1 such as Attn, Building Name, Street Name</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityAddressAddressLine1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityAddressCityOrTown">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Name of the City or Town</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityAddressCityOrTown</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityAddressPostalZipCode">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Code for the postal or zip code</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityAddressPostalZipCode</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityAddressStateOrProvince">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Name of the state or province.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityAddressStateOrProvince</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:stateOrProvinceItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityCentralIndexKey">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityCentralIndexKey</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:centralIndexKeyItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityEmergingGrowthCompany">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Indicate if registrant meets the emerging growth company criteria.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityEmergingGrowthCompany</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityFileNumber">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityFileNumber</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:fileNumberItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityIncorporationStateCountryCode">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Two-character EDGAR code representing the state or country of incorporation.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityIncorporationStateCountryCode</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:edgarStateCountryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityRegistrantName">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityRegistrantName</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityTaxIdentificationNumber">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityTaxIdentificationNumber</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:employerIdItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_LocalPhoneNumber">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Local phone number for entity.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LocalPhoneNumber</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_PreCommencementIssuerTenderOffer">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 13e<br> -Subsection 4c<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_PreCommencementIssuerTenderOffer</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_PreCommencementTenderOffer">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 14d<br> -Subsection 2b<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_PreCommencementTenderOffer</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_Security12bTitle">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Title of a 12(b) registered security.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_Security12bTitle</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:securityTitleItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
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end
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
