<SEC-DOCUMENT>0001104659-25-057873.txt : 20250609
<SEC-HEADER>0001104659-25-057873.hdr.sgml : 20250609
<ACCEPTANCE-DATETIME>20250609170240
ACCESSION NUMBER:		0001104659-25-057873
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20250609
DATE AS OF CHANGE:		20250609

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			AMERICAN AXLE & MANUFACTURING HOLDINGS INC
		CENTRAL INDEX KEY:			0001062231
		STANDARD INDUSTRIAL CLASSIFICATION:	MOTOR VEHICLE PARTS & ACCESSORIES [3714]
		ORGANIZATION NAME:           	04 Manufacturing
		EIN:				383161171
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-14303
		FILM NUMBER:		251034915

	BUSINESS ADDRESS:	
		STREET 1:		ONE DAUCH DRIVE
		CITY:			DETROIT
		STATE:			MI
		ZIP:			48211-1198
		BUSINESS PHONE:		3137583600

	MAIL ADDRESS:	
		STREET 1:		ONE DAUCH DRIVE
		CITY:			DETROIT
		STATE:			MI
		ZIP:			48211-1198
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEFA14A
<SEQUENCE>1
<FILENAME>tm2512184d7_defa14a.htm
<DESCRIPTION>DEFA14A
<TEXT>
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<P STYLE="margin: 0">&nbsp;</P>

<!-- Field: Rule-Page --><DIV STYLE="margin-top: 0pt; margin-bottom: 0pt; width: 100%"><DIV STYLE="font-size: 1pt; border-top: Black 2pt solid; border-bottom: Black 1pt solid">&nbsp;</DIV></DIV><!-- Field: /Rule-Page -->

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<P STYLE="font: 18pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>UNITED STATES</B></P>

<P STYLE="font: 18pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>SECURITIES AND EXCHANGE COMMISSION</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>WASHINGTON, D.C. 20549</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-size: 18pt"><B>SCHEDULE 14A<BR>
</B></FONT><B>(Rule&nbsp;14a-101)</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>INFORMATION REQUIRED IN PROXY STATEMENT<BR>
SCHEDULE 14A INFORMATION</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Proxy Statement Pursuant to Section&nbsp;14(a)&nbsp;of
the</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Securities Exchange Act of 1934</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Filed by the Registrant <FONT STYLE="font-family: Wingdings">&#120;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Filed by a Party other than the Registrant <FONT STYLE="font-family: Wingdings">&#168;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Check the appropriate box:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR>
    <TD STYLE="vertical-align: top; padding: 0.25pt; font-size: 10pt; width: 0.25in"><FONT STYLE="font-family: Wingdings">&#168;</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding: 0.25pt; font-size: 10pt">Preliminary Proxy Statement</TD></TR>
  <TR>
    <TD STYLE="padding: 0.25pt">&nbsp;</TD>
    <TD STYLE="padding: 0.25pt">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top; padding: 0.25pt; font-size: 10pt"><FONT STYLE="font-family: Wingdings">&#168;</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding: 0.25pt; font-size: 10pt"><B>Confidential, For Use of the Commission Only (as permitted by Rule&nbsp;14a-6(e)(2))</B></TD></TR>
  <TR>
    <TD STYLE="padding: 0.25pt">&nbsp;</TD>
    <TD STYLE="padding: 0.25pt">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top; padding: 0.25pt; font-size: 10pt"><FONT STYLE="font-family: Wingdings">&#168;</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding: 0.25pt; font-size: 10pt">Definitive Proxy Statement</TD></TR>
  <TR>
    <TD STYLE="padding: 0.25pt">&nbsp;</TD>
    <TD STYLE="padding: 0.25pt">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top; padding: 0.25pt; font-size: 10pt"><FONT STYLE="font-family: Wingdings">&#120;</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding: 0.25pt; font-size: 10pt">Definitive Additional Materials</TD></TR>
  <TR>
    <TD STYLE="padding: 0.25pt">&nbsp;</TD>
    <TD STYLE="padding: 0.25pt">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top; padding: 0.25pt; font-size: 10pt"><FONT STYLE="font-family: Wingdings">&#168;</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding: 0.25pt; font-size: 10pt">Soliciting Material Pursuant to &sect; 240.14a-12</TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 18pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>AMERICAN AXLE&nbsp;&amp; MANUFACTURING HOLDINGS,&nbsp;INC.</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>(Name of Registrant as Specified In Its Charter)</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Not applicable</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>(Name of Person(s)&nbsp;Filing Proxy Statement,
if other than the Registrant)</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Payment of Filing Fee (Check the appropriate box):</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR>
    <TD STYLE="vertical-align: top; padding: 0.25pt; font-size: 10pt; width: 0.25in"><FONT STYLE="font-family: Wingdings">&#120;</FONT></TD>
    <TD STYLE="padding: 0.25pt; vertical-align: top; font-size: 10pt">No fee required.</TD></TR>
  <TR>
    <TD STYLE="padding: 0.25pt">&nbsp;</TD>
    <TD STYLE="padding: 0.25pt">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top; padding: 0.25pt; font-size: 10pt"><FONT STYLE="font-family: Wingdings">&#168;</FONT></TD>
    <TD STYLE="padding: 0.25pt; vertical-align: top; font-size: 10pt">Fee paid previously with preliminary materials.</TD></TR>
  <TR>
    <TD STYLE="padding: 0.25pt">&nbsp;</TD>
    <TD STYLE="padding: 0.25pt">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top; padding: 0.25pt; font-size: 10pt"><FONT STYLE="font-family: Wingdings">&#168;</FONT></TD>
    <TD STYLE="padding: 0.25pt; vertical-align: top; font-size: 10pt">Fee computed on table in exhibit required by Item 25(b)&nbsp;per Exchange Act Rules&nbsp;14a-6(i)(1)&nbsp;and 0-11.</TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"></P>

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    <DIV STYLE="break-before: page; margin-top: 6pt; margin-bottom: 12pt"><P STYLE="margin: 0pt">&nbsp;</P></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="border-bottom: Black 1pt solid; font: 14pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>UNITED STATES</B></P>

<P STYLE="font: 14pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>SECURITIES AND EXCHANGE COMMISSION</B></P>

<P STYLE="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>WASHINGTON, D.C. 20549</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-size: 14pt"><B>FORM&nbsp;8-K</B></FONT><B><FONT STYLE="font-size: 18pt"><BR>
</FONT>CURRENT REPORT</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>PURSUANT TO SECTION&nbsp;13 OR 15(d)</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>OF THE SECURITIES EXCHANGE ACT OF 1934</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="border-top: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Date of Report (Date of earliest event reported):
June&nbsp;5, 2025</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 14pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>AMERICAN AXLE&nbsp;&amp; MANUFACTURING HOLDINGS,&nbsp;INC.</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(Exact name of registrant as specified in its charter)</P>

<P STYLE="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR>
    <TD STYLE="vertical-align: top; font-size: 10pt; text-align: center; width: 33%"><FONT STYLE="font-size: 10pt"><B>Delaware</B></FONT></TD>
    <TD STYLE="vertical-align: bottom; font-size: 10pt; width: 1%">&nbsp;</TD>
    <TD STYLE="vertical-align: top; font-size: 10pt; text-align: center; width: 32%"><B>1-14303</B></TD>
    <TD STYLE="vertical-align: bottom; font-size: 10pt; width: 1%">&nbsp;</TD>
    <TD STYLE="vertical-align: top; font-size: 10pt; text-align: center; width: 33%"><B>38-3161171</B></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(State or other jurisdiction</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">of incorporation)</P></TD>
    <TD STYLE="vertical-align: bottom; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="vertical-align: top">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(Commission</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">File Number)</P></TD>
    <TD STYLE="vertical-align: bottom; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="vertical-align: top">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(IRS Employer</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Identification No.)</P></TD></TR>
  <TR>
    <TD COLSPAN="3" STYLE="font-size: 10pt">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="font-size: 10pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD COLSPAN="5" STYLE="padding-bottom: 1pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>One Dauch Drive</B></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Detroit, Michigan 48211-1198</B></P></TD></TR>
  <TR>
    <TD COLSPAN="5" STYLE="font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt">(Address of principal executive offices) (Zip Code)</FONT></TD></TR>
  <TR>
    <TD COLSPAN="5" STYLE="font-size: 10pt; text-align: center">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="5" STYLE="font-size: 10pt; text-align: center"><B>(313) 758-2000</B></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD COLSPAN="5">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(Registrant&rsquo;s telephone number, including
    area code)</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Not Applicable</B></P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD COLSPAN="5" STYLE="font-size: 10pt; text-align: center">(Former name or former address, if changed since last report)</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD COLSPAN="5" STYLE="font-size: 10pt; text-align: center">&nbsp;</TD></TR>
  </TABLE>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Check the appropriate box below if the Form&nbsp;8-K filing is intended
to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 0.25in">&nbsp;</TD>
    <TD STYLE="width: 0.5in; font-size: 10pt"><FONT STYLE="font-family: Wingdings">&#168;</FONT></TD>
    <TD STYLE="font-size: 10pt"><FONT STYLE="font-size: 10pt">Written communications pursuant to Rule&nbsp;425 under the Securities Act (17 CFR 230.425) </FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 0.25in">&nbsp;</TD>
    <TD STYLE="width: 0.5in; font-size: 10pt"><FONT STYLE="font-family: Wingdings">&#168;</FONT></TD>
    <TD STYLE="font-size: 10pt"><FONT STYLE="font-size: 10pt">Soliciting material pursuant to Rule&nbsp;14a-12 under the Exchange Act (17 CFR 240.14a-12) </FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 0.25in">&nbsp;</TD>
    <TD STYLE="width: 0.5in; font-size: 10pt"><FONT STYLE="font-family: Wingdings">&#168;</FONT></TD>
    <TD STYLE="font-size: 10pt"><FONT STYLE="font-size: 10pt">Pre-commencement communications pursuant to Rule&nbsp;14d-2(b)&nbsp;under the Exchange Act (17 CFR 240.14d-2(b)) </FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 0.25in">&nbsp;</TD>
    <TD STYLE="width: 0.5in; font-size: 10pt"><FONT STYLE="font-family: Wingdings">&#168;</FONT></TD>
    <TD STYLE="font-size: 10pt"><FONT STYLE="font-size: 10pt">Pre-commencement communications pursuant to Rule&nbsp;13e-4(c)&nbsp;under the Exchange Act (17 CFR 240.13e-4(c)) </FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Securities registered pursuant to Section&nbsp;12(b)&nbsp;of the Exchange
Act:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 40%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center; border-bottom: black 0.5pt solid"><B>Title of each
    class</B></P></TD>
    <TD STYLE="width: 20%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center; border-bottom: black 0.5pt solid"><B>Trading Symbol</B></P></TD>
    <TD STYLE="width: 40%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center; border-bottom: black 0.5pt solid"><B>Name of exchange
    on which registered</B></P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt">Common Stock, par value $0.01 per share</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt">AXL</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt">The New York Stock Exchange</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Indicate by check mark whether the registrant is an emerging growth
company as defined in Rule&nbsp;405 of the Securities Act of 1933 (&sect;230.405 of this chapter) or Rule&nbsp;12b-2 of the Securities
Exchange Act of 1934 (&sect;240.12b-2 of this chapter).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Emerging growth company <FONT STYLE="font-family: Wingdings">&#168;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">If an emerging growth company, indicate by check mark if the registrant
has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant
to Section&nbsp;13(a)&nbsp;of the Exchange Act. <FONT STYLE="font-family: Wingdings">&#168;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>ITEM 8.01. <FONT STYLE="text-transform: uppercase">Other Events</FONT>.</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.25in">On June&nbsp;2, 2025, American
Axle&nbsp;&amp; Manufacturing Holdings,&nbsp;Inc., a Delaware corporation (&ldquo;<U>AAM</U>&rdquo; or the &ldquo;<U>Company</U>&rdquo;),
filed a definitive proxy statement on Schedule 14A (the &ldquo;<U>Proxy Statement</U>&rdquo;) with the U.S. Securities and Exchange Commission
(the &ldquo;<U>SEC</U>&rdquo;) in connection with (A)&nbsp;the proposed amendment to the Company&rsquo;s Amended and Restated Certificate
of Incorporation (the &ldquo;<U>Charter Amendment</U>&rdquo;) to increase the number of authorized shares of the Company&rsquo;s common
stock, par value $0.01 per share (&ldquo;<U>AAM Common Stock</U>,&rdquo; and each share thereof, an &ldquo;<U>AAM Share</U>&rdquo; and,
collectively, the &ldquo;<U>AAM Shares</U>&rdquo;), from 150,000,000 AAM Shares to 375,000,000 AAM Shares; and (B)&nbsp;the proposed issuance
(the &ldquo;<U>Share Issuance</U>&rdquo;) of new AAM Shares representing the stock consideration in the Company&rsquo;s recommended offer
to acquire the entire issued and to be issued share capital of Dowlais Group plc (&ldquo;<U>Dowlais</U>&rdquo;), a public limited company
incorporated in England and Wales (the &ldquo;<U>Business Combination</U>&rdquo;). The special meeting of AAM&rsquo;s stockholders (&ldquo;<U>AAM
Stockholders</U>&rdquo;) to approve, among other things, the Charter Amendment and the Share Issuance has been scheduled for July&nbsp;15,
2025, at 8:00 a.m., Eastern Time (the &ldquo;<U>Special Meeting</U>&rdquo;).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.25in; background-color: white">This
Current Report on Form&nbsp;8-K (this &ldquo;<U>Current Report on Form&nbsp;8-K</U>&rdquo;) is being filed to amend and supplement the
information contained in the Proxy Statement, and the information contained in this Current Report on Form&nbsp;8-K is incorporated by
reference into the Proxy Statement. The supplemental information herein should be read in conjunction with the Proxy Statement, which
we urge you to read in its entirety. To the extent that information contained in this Current Report on Form&nbsp;8-K differs from, or
updates information contained in, the Proxy Statement, the information contained in this Current Report on Form&nbsp;8-K shall supersede
or supplement (as applicable) the applicable information contained in the Proxy Statement. Except as otherwise described in this Current
Report on Form&nbsp;8-K or the documents referred to, contained in or incorporated by reference in this Current Report on Form&nbsp;8-K,
the Proxy Statement, the annexes to the Proxy Statement and the documents referred to, contained in or incorporated by reference in the
Proxy Statement are not otherwise modified, supplemented or amended. All page&nbsp;references in this Current Report on Form&nbsp;8-K
are to pages&nbsp;in the Proxy Statement. Terms used in this Current Report on Form&nbsp;8-K, but not otherwise defined herein, have the
meanings ascribed to such terms in the Proxy Statement. For clarity, new text within restated disclosures from the Proxy Statement is
highlighted with&nbsp;<B><U>bold, underlined text</U></B>, while deleted text is&nbsp;<B><STRIKE>bold and stricken-through</STRIKE></B>.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.25in; background-color: white"><B>If
you have not already submitted a proxy for use at the Special Meeting, you are urged to do so promptly. This Current Report on Form&nbsp;8-K
does not affect the validity of any proxy card or voting instructions that AAM Stockholders may have previously received or delivered.
No action is required by any AAM Stockholder who has previously delivered a proxy or voting instructions and who does not wish to revoke
or change such proxy or voting instructions.</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center; background-color: white"><U>SUPPLEMENTAL DISCLOSURES
TO THE PROXY STATEMENT</U></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.25in; background-color: white"><FONT STYLE="background-color: white">1.&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;<I>The
disclosure in the section of the Proxy Statement entitled &ldquo;Information About the Combination&mdash;Consideration Adjustments&rdquo;
is hereby supplemented by amending and restating such section in its entirety as follows:</I></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>Consideration Adjustments</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.25in">The consideration payable
to Dowlais Shareholders pursuant to the Combination is subject to adjustment if (i)&nbsp;Dowlais Shares held by the Melrose Employee Share
Ownership Trust (as defined below) are repurchased by Dowlais for nil consideration and cancelled, (ii)&nbsp;the FY24 Final Dividend exceeds
2.8 pence per Dowlais Share or (iii)&nbsp;Dowlais announces, declares, makes or pays any dividend or distribution (other than the FY24
Final Dividend), or there are any repurchases of Dowlais Shares by Dowlais pursuant to the Buyback Programme (as defined below) (clauses
(i), (ii)&nbsp;and (iii), collectively, the &ldquo;Consideration Adjustments&rdquo;).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.25in">In connection with the April&nbsp;2023
demerger of Dowlais from Melrose Industries PLC (&ldquo;Melrose&rdquo;), 27,865,471 Dowlais Shares (constituting 2.1% of the total issued
ordinary shares of Dowlais as of January&nbsp;28, 2025, the last business day before the date of the Offer Announcement), were placed
in a trust (the &ldquo;Melrose Employee Share Ownership Trust&rdquo;) to satisfy the vesting of options over Dowlais Shares granted by
Melrose to certain Melrose group employees and executive directors under the Melrose Automotive Share Plan <B><U>(the &ldquo;MASP&rdquo;)</U></B>
(such options over Dowlais Shares, the &ldquo;Melrose Options&rdquo;). To ensure that the total value of the consideration payable in
the Combination for the entire issued and to be issued share capital of Dowlais remains the same regardless of whether the Melrose Options
vest or lapse, AAM has agreed that, to the extent that, prior to the consummation of the Combination, the Dowlais Shares held by the Melrose
Employee Share Ownership Trust are repurchased by Dowlais for nil consideration and cancelled pursuant to certain agreements between the
parties (such repurchased and cancelled Dowlais Shares, &ldquo;Cancelled Shares&rdquo;), AAM will increase the cash consideration and
the number of New AAM Shares payable to Dowlais Shareholders pursuant to the Combination so as to re-allocate to Dowlais Shareholders
(based on the fully diluted share capital of Dowlais at the time of such repurchase and cancellation) the cash consideration and New AAM
Shares that such Cancelled Shares would have received upon consummation of the Combination (the increase in consideration payable pursuant
to the Combination attributable to such re-allocation, the &ldquo;Melrose Consideration Adjustment&rdquo;). <B><STRIKE>There can be no
certainty that any such Melrose Consideration Adjustment will occur under the terms of the Combination.</STRIKE></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.25in"><B><U>On June&nbsp;5, 2025,
Dowlais announced that it acquired, for nil consideration, and immediately cancelled 27,865,471 Dowlais Shares (the &ldquo;Cancellation&rdquo;).</U></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.25in"><B><U>The Cancellation relates
to all of the Dowlais Shares previously held by the Melrose Employee Share Ownership Trust to satisfy options granted by Melrose to individuals
under the MASP and held since the demerger of Dowlais from Melrose. As previously disclosed in the Offer Announcement and as provided
above, in the event of the Cancellation, AAM agreed to increase the cash and share consideration payable per Dowlais Share to reflect
the reduced number of Dowlais Shares in issue.</U></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.25in"><B><U>As a result of the
Cancellation, the consideration payable per Dowlais Share under the Combination has been increased such that Dowlais Shareholders will
be entitled to receive, for each Dowlais Share held:</U></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in"><FONT STYLE="font-family: Symbol">&middot;</FONT></TD><TD><B><U>0.0881 New AAM Shares; and</U></B></TD></TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in"><FONT STYLE="font-family: Symbol">&middot;</FONT></TD><TD><B><U>43 pence in cash.</U></B></TD></TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.25in"><B><U>The increased consideration
payable per Dowlais Share by AAM does not increase the total cash consideration payable by AAM nor the total number of New AAM Shares
to be issued pursuant to the Combination (other than insignificant changes as a result of rounding).</U></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.25in">AAM and Dowlais have agreed
to certain arrangements with regard to the payment of dividends and other distributions and returns of capital prior to the Scheme of
Arrangement becoming effective. AAM will not announce, declare, make or pay any dividend or other distribution or other return of capital.
If, during the pendency of the Combination, AAM announces, declares, makes or pays any dividend or other distribution or other return
of capital (an &ldquo;AAM Excluded Dividend&rdquo;), then Dowlais is entitled to elect by five business days&rsquo; written notice to
AAM to declare and pay an equalizing dividend to Dowlais Shareholders so as to reflect the value attributable to all or part of such dividend,
distribution or return of capital, at the spot exchange rate between U.S. Dollars and Pound Sterling as published by the Bank of England,
without any consequential reduction to the Consideration (a &ldquo;Dowlais Equalizing Dividend&rdquo;). <B><U>Under the terms of the Combination,
Dowlais Shareholders were entitled to receive the FY24 Final Dividend of 2.8 pence per share, which was paid on May&nbsp;29, 2025.</U></B>
Dowlais is permitted to make the following distributions: (i)&nbsp;the FY24 Final Dividend, provided that such dividend does not exceed
an amount per Dowlais Share of more than 2.8 pence and (ii)&nbsp;any Dowlais Equalizing Dividend. If any dividend or other distribution
is announced, declared, made or paid, or becomes payable, in respect of Dowlais Shares on or after the date of the Offer Announcement
and before the date on which the Combination becomes effective (other than the FY24 Final Dividend or any repurchases of Dowlais Shares
by Dowlais pursuant to the share buyback programme announced on March&nbsp;21, 2024 by Dowlais on the LSE (the &ldquo;Buyback Programme&rdquo;)),
AAM reserves the right to reduce the consideration payable in respect of each Dowlais Share by the amount of all or part of any such dividend
or other distribution. If AAM exercises this right or makes such a reduction in respect of a dividend, other distribution or return of
capital that has not been paid, Dowlais Shareholders will be entitled to receive and retain that dividend, other distribution or return
of capital. The Buyback Programme was terminated on January&nbsp;29, 2025, following the Offer Announcement.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.25in; background-color: white"><FONT STYLE="background-color: white">2.&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;<I>The
disclosure in each applicable section of the Proxy Statement (other than the disclosure set forth in Annex I through Annex V to the
Proxy Statement and the disclosure set forth in the sections of the Proxy Statement entitled &ldquo;Information About the
Combination&mdash;Background of the Combination,&rdquo; &ldquo;Information About the Combination&mdash;Reasons for the
Combination,&rdquo; &ldquo;Information About the Combination&mdash;Opinion of J.P. Morgan&rdquo; and &ldquo;Unaudited Pro Forma
Condensed Combined Financial Information&rdquo;) is hereby supplemented as follows:</I></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in"><FONT STYLE="font-family: Symbol">&middot;</FONT></TD><TD STYLE="text-align: justify">All references regarding the cash consideration payable under the Combination to Dowlais Shareholders
per Dowlais Share held being &ldquo;42 pence per share&rdquo; are hereby amended and replaced with &ldquo;43 pence per share&rdquo;.</TD></TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in"><FONT STYLE="font-family: Symbol">&middot;</FONT></TD><TD STYLE="text-align: justify">All references regarding the share consideration payable under the Combination to Dowlais Shareholders
per Dowlais Share held being &ldquo;0.0863 AAM Shares&rdquo; or &ldquo;0.0863 New AAM Shares&rdquo; (or words of similar import) are hereby
amended and replaced with &ldquo;0.0881 AAM Shares&rdquo; and &ldquo;0.0881 New AAM Shares,&rdquo; respectively.</TD></TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in"><FONT STYLE="font-family: Symbol">&middot;</FONT></TD><TD STYLE="text-align: justify">All references to &ldquo;the terms of the Offer,&rdquo; &ldquo;the terms of the Combination&rdquo; or
words of similar import shall be deemed to be references to such terms as supplemented by the disclosures contained in this Current Report
on Form&nbsp;8-K.</TD></TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>ITEM 9.01. FINANCIAL STATEMENTS AND EXHIBITS.</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">(d)&nbsp;Exhibits</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: top; width: 7%; border-bottom: black 1pt solid; font-size: 10pt; text-align: center"><B>Exhibit<BR>
No.</B></TD>
    <TD STYLE="vertical-align: bottom; width: 1%; padding-bottom: 6pt; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="vertical-align: top; border-bottom: black 1pt solid; padding-bottom: 6pt; font-size: 10pt"><B>Description</B></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: top; padding-bottom: 6pt; font-size: 10pt">104</TD>
    <TD STYLE="vertical-align: bottom; padding-bottom: 6pt; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-bottom: 6pt; font-size: 10pt">Cover Page&nbsp;Interactive Data File (formatted in Inline XBRL)</TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="text-transform: uppercase"><B>Cautionary Statement Regarding
Forward-Looking Statements</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">In this Current Report on Form&nbsp;8-K, AAM makes
statements concerning its and Dowlais&rsquo; expectations, beliefs, plans, objectives, goals, strategies, and future events or performance,
including, but not limited to, certain statements related to the ability of AAM and Dowlais to consummate the Business Combination in
a timely manner or at all; future capital expenditures, expenses, revenues, economic performance, synergies, financial conditions, market
growth, dividend policy, losses and future prospects and business; and management strategies and the expansion and growth of AAM&rsquo;s
and the combined company&rsquo;s operations. Such statements are &ldquo;forward-looking&rdquo; statements within the meaning of the Private
Securities Litigation Reform Act of 1995 and relate to trends and events that may affect AAM&rsquo;s or the combined company&rsquo;s future
financial position and operating results. The terms such as &ldquo;will,&rdquo; &ldquo;may,&rdquo; &ldquo;could,&rdquo; &ldquo;would,&rdquo;
 &ldquo;plan,&rdquo; &ldquo;believe,&rdquo; &ldquo;expect,&rdquo; &ldquo;anticipate,&rdquo; &ldquo;intend,&rdquo; &ldquo;project,&rdquo;
 &ldquo;target,&rdquo; and similar words or expressions, as well as statements in future tense, are intended to identify forward-looking
statements. Forward-looking statements should not be read as a guarantee of future performance or results and will not necessarily be
accurate indications of the times at, or by, which such performance or results will be achieved. These forward-looking statements involve
certain risks and uncertainties that could cause actual results to differ materially from those expressed or implied by these statements.
These risks and uncertainties related to AAM include factors detailed in the reports AAM files with the SEC, including those described
under &ldquo;Risk Factors&rdquo; in its most recent Annual Report on Form&nbsp;10-K and its Quarterly Reports on Form&nbsp;10-Q. These
forward-looking statements speak only as of the date of this communication. AAM expressly disclaims any obligation or undertaking to disseminate
any updates or revisions to any forward-looking statement contained herein to reflect any change in its or Dowlais&rsquo; expectations
with regard thereto or any change in events, conditions or circumstances on which any such statement is based.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><B>ADDITIONAL INFORMATION AND WHERE TO FIND IT</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">This Current Report on Form&nbsp;8-K may be deemed
to be solicitation material in respect of the Business Combination, including the Charter Amendment and the Share Issuance. In connection
with the Charter Amendment and the Share Issuance, AAM filed the Proxy Statement with the SEC on June&nbsp;2, 2025. To the extent the
Business Combination is effected as a scheme of arrangement under English law, the issuance of AAM Shares in connection with the Business
Combination would not be expected to require registration under the U.S. Securities Act of 1933, as amended (the &ldquo;<U>Securities
Act</U>&rdquo;), pursuant to an exemption provided by Section&nbsp;3(a)(10)&nbsp;under the Securities Act. In the event that AAM exercises
its right to elect to implement the Business Combination by way of a takeover offer (as defined in the UK Companies Act 2006) or otherwise
determines to conduct the Business Combination in a manner that is not exempt from the registration requirements of the Securities Act,
AAM expects to file a registration statement with the SEC containing a prospectus with respect to the AAM Shares that would be issued
in the Business Combination. INVESTORS AND SHAREHOLDERS ARE URGED TO READ THE PROXY STATEMENT, THE SCHEME DOCUMENT, AND OTHER RELEVANT
DOCUMENTS FILED OR TO BE FILED BY AAM WITH THE SEC OR INCORPORATED BY REFERENCE IN THE PROXY STATEMENT (IF ANY) CAREFULLY WHEN THEY BECOME
AVAILABLE BECAUSE THEY WILL CONTAIN IMPORTANT INFORMATION ABOUT AAM, THE BUSINESS COMBINATION AND RELATED MATTERS. Investors and shareholders
will be able to obtain free copies of the Proxy Statement, the scheme document, and other documents filed by AAM with the SEC at the
SEC&rsquo;s website at <U>https://www.sec.gov</U>. In addition, investors and shareholders will be able to obtain free copies of the
Proxy Statement, the scheme document, and other documents filed by AAM with the SEC at <U>https://www.aam.com/investors</U>.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><B>PARTICIPANTS IN THE SOLICITATION</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">AAM and its directors, executive officers and
certain other members of management and employees will be participants in the solicitation of proxies from AAM Stockholders in respect
of the Business Combination, including the Charter Amendment and the Share Issuance. Information regarding AAM&rsquo;s directors and
executive officers is contained in its Annual Report on Form&nbsp;10-K for the fiscal year ended December&nbsp;31, 2024, which was filed
with the SEC on February&nbsp;14, 2025, the definitive proxy statement on Schedule 14A for AAM&rsquo;s 2025 annual meeting of stockholders,
which was filed with the SEC on March&nbsp;20, 2025, the Current Report on Form&nbsp;8-K of AAM, which was filed with the SEC on March&nbsp;17,
2025, and the Current Report on Form&nbsp;8-K of AAM, which was filed with the SEC on May&nbsp;2, 2025 (SEC Accession No.&nbsp;0001062231-25-000064).
Additional information regarding the identity of participants, and their direct or indirect interests, by security holdings or otherwise,
is set forth in the Proxy Statement. To the extent holdings of AAM&rsquo;s securities by its directors or executive officers change from
the amounts set forth in the Proxy Statement, such changes will be reflected on Initial Statements of Beneficial Ownership on Form&nbsp;3
or Statements of Change in Ownership on Form&nbsp;4 filed with the SEC by AAM. These documents may be obtained free of charge from the
SEC&rsquo;s website at <U>https://www.sec.gov</U> and AAM&rsquo;s website at <U>https://www.aam.com/investors</U>.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><FONT STYLE="text-transform: uppercase"><B>No
Offer or Solicitation</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">This Current Report on Form&nbsp;8-K is not intended
to and shall not constitute an offer to sell or the solicitation of an offer to sell or the solicitation of an offer to buy any securities
or a solicitation of any vote of approval, nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation
or sale would be unlawful prior to registration or qualification under the securities laws of any such jurisdiction.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>SIGNATURE</B></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Pursuant to the requirements of the Securities Exchange Act of 1934,
as amended, the registrant has duly caused this Current Report on Form&nbsp;8-K to be signed on its behalf by the undersigned, hereunto
duly authorized.</P>

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    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="font-size: 10pt"><B>AMERICAN AXLE&nbsp;&amp; MANUFACTURING HOLDINGS,&nbsp;INC.</B></TD>
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    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="font-size: 10pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font-size: 10pt; width: 5%">Date:</TD>
    <TD STYLE="font-size: 10pt; width: 45%">June&nbsp;9, 2025</TD>
    <TD STYLE="font-size: 10pt; width: 3%">By: </TD>
    <TD STYLE="border-bottom: black 1pt solid; font-size: 10pt; width: 47%">/s/ Matthew K. Paroly</TD>
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    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt">Matthew K. Paroly</TD>
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    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt">Vice President, General Counsel&nbsp;&amp; Secretary</TD>
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