<SEC-DOCUMENT>0001104659-26-074602.txt : 20260616
<SEC-HEADER>0001104659-26-074602.hdr.sgml : 20260616
<ACCEPTANCE-DATETIME>20260616163225
ACCESSION NUMBER:		0001104659-26-074602
CONFORMED SUBMISSION TYPE:	S-8 POS
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20260616
DATE AS OF CHANGE:		20260616
EFFECTIVENESS DATE:		20260616

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Howmet Aerospace Inc.
		CENTRAL INDEX KEY:			0000004281
		STANDARD INDUSTRIAL CLASSIFICATION:	ROLLING DRAWING & EXTRUDING OF NONFERROUS METALS [3350]
		ORGANIZATION NAME:           	04 Manufacturing
		EIN:				250317820
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		S-8 POS
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-128445
		FILM NUMBER:		261095094

	BUSINESS ADDRESS:	
		STREET 1:		201 ISABELLA STREET
		STREET 2:		SUITE 200
		CITY:			PITTSBURGH
		STATE:			PA
		ZIP:			15212-5872
		BUSINESS PHONE:		(412) 553-1940

	MAIL ADDRESS:	
		STREET 1:		201 ISABELLA STREET
		CITY:			PITTSBURGH
		STATE:			PA
		ZIP:			15212-5872

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Arconic Inc.
		DATE OF NAME CHANGE:	20161101

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ALCOA INC.
		DATE OF NAME CHANGE:	20141003

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ALCOA INC
		DATE OF NAME CHANGE:	19990105
</SEC-HEADER>
<DOCUMENT>
<TYPE>S-8 POS
<SEQUENCE>1
<FILENAME>tm2617983d1_s8pos.htm
<DESCRIPTION>S-8 POS
<TEXT>
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<P STYLE="margin: 0">&nbsp;<B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>As filed with the Securities and Exchange Commission on June 16, 2026</B></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: right"><B>Registration No. 333-32516<BR>
Registration No. 333-106411<BR>
Registration No. 333-128445<BR>
Registration No. 333-146330<BR>
Registration No. 333-153369<BR>
Registration No. 333-155668<BR>
Registration No. 333-168428<BR>
Registration No. 333-170801<BR>
Registration No. 333-182899<BR>
Registration No. 333-209772<BR>
Registration No. 333-229914</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: right"><B>Registration No. 333-266545</B></P>

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

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

<!-- Field: Rule-Page --><DIV STYLE="margin-top: 12pt; margin-bottom: 3pt; width: 100%"><DIV STYLE="font-size: 1pt; border-top: Black 2pt solid; border-bottom: Black 1pt solid">&nbsp;</DIV></DIV><!-- Field: /Rule-Page -->

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

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

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

<P STYLE="font: 10pt 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; text-align: center">______________________________________________________________________________________________</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>POST-EFFECTIVE AMENDMENT TO<BR>
FORM S-8</B></P>

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B><I>THE SECURITIES ACT OF 1933</I></B></P>

<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">&nbsp;</P>

<P STYLE="font: 14pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Howmet Aerospace Inc.</B></P>

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

<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">&nbsp;</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>(State or other jurisdiction of incorporation
or organization)</B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>25-0317820</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>(IRS Employer Identification No.)</B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>201 Isabella Street, Suite 200</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Pittsburgh, Pennsylvania 15212-5872</B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>(Address of principal executive offices)</B></P>

<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">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>HOWMET AEROSPACE HOURLY RETIREMENT SAVINGS PLAN<BR>
HOWMET AEROSPACE SALARIED RETIREMENT SAVINGS PLAN</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>(Full Title of the Plans)</B></P>

<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">&nbsp;</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Executive Vice President, Chief Legal and Compliance
Officer and Secretary</B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>201 Isabella Street, Suite 200</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Pittsburgh, Pennsylvania 15212-5872</B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>+1 (412) 553-1940</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.25pt; text-align: center"><B>(Name and Address, Including Zip
Code, and Telephone Number, Including Area Code, of Agent for Service)</B></P>

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

<P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Indicate by check mark whether the registrant is a large accelerated
filer, an accelerated filer, a non-accelerated filer, a smaller reporting company or an emerging growth company. See the definitions of
 &ldquo;large accelerated filer,&rdquo; &ldquo;accelerated filer,&rdquo; &ldquo;smaller reporting company,&rdquo; and &ldquo;emerging growth
company&rdquo; in Rule 12b-2 of the Exchange Act. (Check one):</P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 25%; padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Large accelerated filer</FONT></TD>
    <TD STYLE="width: 25%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-family: Wingdings; font-size: 10pt"><FONT STYLE="font-family: Wingdings">&#120;</FONT></FONT></TD>
    <TD STYLE="width: 25%; padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Accelerated filer</FONT></TD>
    <TD STYLE="width: 25%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-family: Wingdings; font-size: 10pt"><FONT STYLE="font-family: Wingdings">&#168;</FONT></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Non-accelerated filer</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-family: Wingdings; font-size: 10pt"><FONT STYLE="font-family: Wingdings">&#168;</FONT></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Small reporting company</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-family: Wingdings; font-size: 10pt">&#168;</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Emerging growth company</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-family: Wingdings; font-size: 10pt"><FONT STYLE="font-family: Wingdings">&#168;</FONT></FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">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 7(a)(2)(B) of the Securities Act.&nbsp;</FONT><FONT STYLE="font-family: Wingdings">&uml;</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"></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;&nbsp;</P>

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify; margin-top: 0pt; margin-right: 0; margin-bottom: 0pt">This Post-Effective Amendment to the following Registration
Statements on Form S-8, each as amended from time to time (collectively, the &ldquo;Registration Statements&rdquo;), by Howmet Aerospace
Inc. (formerly known as Arconic Inc. and Alcoa Inc.) (the &ldquo;Registrant&rdquo;) is filed to deregister all securities that were previously
registered under the Registration Statements but have not been sold or otherwise issued as of the effective date of this Post-Effective
Amendment:</P>

<P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.2in">&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="text-align: justify; width: 0.25in"></TD><TD STYLE="text-align: justify; width: 0.25in"><FONT STYLE="font-family: Symbol">&middot;</FONT></TD><TD STYLE="text-align: justify">Registration Statement No. 333-32516 regarding the Alcoa Savings Plan for Bargaining Employees and the Alcoa Savings Plan for Non-Bargaining
Employees originally filed with the Securities and Exchange Commission (&ldquo;SEC&rdquo;) on March 15, 2000</TD></TR></TABLE>

<P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in">&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="text-align: justify; width: 0.25in"></TD><TD STYLE="text-align: justify; width: 0.25in"><FONT STYLE="font-family: Symbol">&middot;</FONT></TD><TD STYLE="text-align: justify">Registration Statement No. 333-106411 regarding the Alcoa Savings Plan for Bargaining Employees and the Alcoa Savings Plan for Non-Bargaining
Employees originally filed with the SEC on June&nbsp;24, 2003</TD></TR></TABLE>

<P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in">&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="text-align: justify; width: 0.25in"></TD><TD STYLE="text-align: justify; width: 0.25in"><FONT STYLE="font-family: Symbol">&middot;</FONT></TD><TD STYLE="text-align: justify">Registration Statement No. 333-128445 regarding the Alcoa Savings Plan for Bargaining Employees, the Alcoa Savings Plan for Non-Bargaining
Employees, and the Alcoa Savings Plan for Subsidiary and Affiliate Employees originally filed with the SEC on September&nbsp;20, 2005</TD></TR></TABLE>

<P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in">&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="text-align: justify; width: 0.25in"></TD><TD STYLE="text-align: justify; width: 0.25in"><FONT STYLE="font-family: Symbol">&middot;</FONT></TD><TD STYLE="text-align: justify">Registration Statement No. 333-146330 regarding the Alcoa Savings Plan for Bargaining Employees, the Alcoa Savings Plan for Non-Bargaining
Employees, and the Alcoa Savings Plan for Subsidiary and Affiliate Employees originally filed with the SEC on September&nbsp;26, 2007</TD></TR></TABLE>

<P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in">&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="text-align: justify; width: 0.25in"></TD><TD STYLE="text-align: justify; width: 0.25in"><FONT STYLE="font-family: Symbol">&middot;</FONT></TD><TD STYLE="text-align: justify">Registration Statement No. 333-153369 regarding the Alcoa Savings Plan for Bargaining Employees, the Alcoa Savings Plan for Non-Bargaining
Employees, and the Alcoa Savings Plan for Subsidiary and Affiliate Employees originally filed with the SEC on September 8, 2008</TD></TR></TABLE>

<P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in">&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="text-align: justify; width: 0.25in"></TD><TD STYLE="text-align: justify; width: 0.25in"><FONT STYLE="font-family: Symbol">&middot;</FONT></TD><TD STYLE="text-align: justify">Registration Statement No. 333-155668 regarding the Alcoa Savings Plan for Bargaining Employees, the Alcoa Savings Plan for Non-Bargaining
Employees, and the Alcoa Savings Plan for Subsidiary and Affiliate Employees originally filed with the SEC on November&nbsp;25, 2008</TD></TR></TABLE>

<P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in">&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="text-align: justify; width: 0.25in"></TD><TD STYLE="text-align: justify; width: 0.25in"><FONT STYLE="font-family: Symbol">&middot;</FONT></TD><TD STYLE="text-align: justify">Registration Statement No. 333-168428 regarding the Alcoa Savings Plan for Bargaining Employees, the Alcoa Savings Plan for Non-Bargaining
Employees, and the Alcoa Savings Plan for Subsidiary and Affiliate Employees originally filed with the SEC on July&nbsp;30,&nbsp;2010</TD></TR></TABLE>

<P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in">&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="text-align: justify; width: 0.25in"></TD><TD STYLE="text-align: justify; width: 0.25in"><FONT STYLE="font-family: Symbol">&middot;</FONT></TD><TD STYLE="text-align: justify">Registration Statement No. 333-170801 regarding the Alcoa Retirement Savings Plan for Fastener Systems and Commercial Windows Employees
and the Alcoa Retirement Savings Plan for Mill Products Employees originally filed with the SEC on November&nbsp;23, 2010</TD></TR></TABLE>

<P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in">&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="text-align: justify; width: 0.25in"></TD><TD STYLE="text-align: justify; width: 0.25in"><FONT STYLE="font-family: Symbol">&middot;</FONT></TD><TD STYLE="text-align: justify">Registration Statement No. 333-182899 regarding the Alcoa Retirement Savings Plan for Salaried Employees, the Alcoa Retirement Savings
Plan for Bargaining Employees, and the Alcoa Retirement Savings Plan for Fastener Systems Employees Plan originally filed with the SEC
on July&nbsp;27,&nbsp;2012</TD></TR></TABLE>

<P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in">&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="text-align: justify; width: 0.25in"></TD><TD STYLE="text-align: justify; width: 0.25in"><FONT STYLE="font-family: Symbol">&middot;</FONT></TD><TD STYLE="text-align: justify">Registration Statement No. 333-209772 regarding the Alcoa Retirement Savings Plan for Salaried Employees, the Alcoa Retirement Savings
Plan for Bargaining Employees, the Alcoa Retirement Savings Plan for Hourly Non-Bargaining Employees, and the Alcoa Retirement Savings
Plan for Fastener Systems Employees originally filed with the SEC on February&nbsp;26, 2016</TD></TR></TABLE>

<P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in">&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="text-align: justify; width: 0.25in"></TD><TD STYLE="text-align: justify; width: 0.25in"><FONT STYLE="font-family: Symbol">&middot;</FONT></TD><TD STYLE="text-align: justify">Registration Statement No. 333-229914 regarding the Arconic Bargaining Retirement Savings Plan, the Arconic Salaried Retirement Savings
Plan, the Arconic Hourly Non-Bargaining Retirement Savings Plan, Arconic Fastener Systems and Rings Retirement Savings Plan, and the Arconic
Retirement Savings Plan for ATEP Bargaining Employees originally filed with the SEC on February&nbsp;27, 2019</TD></TR></TABLE>

<P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in">&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="text-align: justify; width: 0.25in"></TD><TD STYLE="text-align: justify; width: 0.25in"><FONT STYLE="font-family: Symbol">&middot;</FONT></TD><TD STYLE="text-align: justify">Registration Statement No. 333-266545 regarding the Howmet Aerospace Inc. Hourly Retirement Savings Plan and the Howmet Aerospace
Inc. Salaried Retirement Savings Plan filed with the SEC on August 4, 2022</TD></TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.2in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.2in"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-right: 0; margin-bottom: 0pt">&nbsp;<FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify; margin-top: 0pt; margin-right: 0; margin-bottom: 0pt"><FONT STYLE="font-family: Times New Roman, Times, Serif">This
Post-Effective Amendment constitutes Post-Effective Amendment No.&nbsp;13 to Registration Statement Nos. 333-32516 and 333-106411; Post-Effective
Amendment No.&nbsp;8 to Registration Statement Nos. 333-128445, 333-146330, 333-153369, 333-155668 and 333-168428; Post-Effective Amendment
No.&nbsp;7 to Registration Statement Nos. 333-170801, 333-182899, and 333-209772; Post-Effective Amendment No. 3 to Registration Statement
No. 333-229914; and Post-Effective Amendment No. 1 to Registration Statement No. </FONT>333-266545.</P>

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<P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-right: 0; margin-bottom: 0pt">Effective December 27, 2024, the Registrant amended the Howmet
Aerospace Hourly Retirement Savings Plan and the Howmet Aerospace Salaried Retirement Savings Plan (collectively, the &ldquo;Plans&rdquo;)
to &ldquo;freeze&rdquo; any further investments in the unitized stock fund comprised of the Registrant&rsquo;s securities and offered
under the Plans. Any Registrant securities held in participant accounts in the Plans were sold and removed from the Plans on or before
December 31, 2025. As a result, the Registrant has terminated any and all offerings of Registrant&rsquo;s securities pursuant to the Registration
Statements.</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify; margin-top: 0pt; margin-right: 0; margin-bottom: 0pt">In accordance with the undertakings made by the Registrant in each
of the Registration Statements to remove from registration, by means of a post-effective amendment, any of Registrant&rsquo;s securities
that remain unsold at the termination of each such offering, the Registrant hereby removes from registration, by means of this Post-Effective
Amendment, any and all securities registered under the Registration Statements that remain unsold as of the effective date of this Post-Effective
Amendment.</P>

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<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 0pt 0.25in; text-align: center"><B>SIGNATURES</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.25in; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: justify">In accordance with the requirements of the
Securities Act of 1933, Howmet Aerospace Inc. certifies that it has reasonable grounds to believe that it meets all of the requirements
for filing on Form S-8 and has duly caused this Post-Effective Amendment to the Registration Statements to be signed on its behalf by
the undersigned, duly authorized, in the City of Pittsburgh, Commonwealth of Pennsylvania, on June 16, 2026.</P>

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<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; width: 100%"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 50%"></TD><TD STYLE="width: 3%; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt; text-align: justify; width: 47%; font-weight: bold"><FONT STYLE="font-size: 10pt"><B>HOWMET
                                            AEROSPACE INC.</B></FONT></TD>
</TR><TR STYLE="vertical-align: top; text-align: justify">
<TD>&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: justify">&nbsp;</TD></TR>
     <TR STYLE="vertical-align: top; text-align: justify">
<TD>&nbsp;</TD><TD STYLE="text-align: left">By:&#9;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: justify">/s/ Barbara L. Shultz</TD></TR>
     <TR STYLE="vertical-align: top; text-align: justify">
<TD>&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: justify">Barbara L. Shultz</TD></TR>
     <TR STYLE="vertical-align: top; text-align: justify">
<TD>&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: justify">Vice President and Controller</TD></TR>
     </TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0.2in; text-align: justify">&nbsp;<B>&nbsp;&nbsp;</B></P>

<P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-right: 0; margin-bottom: 0pt">No other person is required to sign this Post-Effective
Amendment to the Registration Statements on Form S-8 in reliance on Rule 478 of the Securities Act of 1933, as amended.</P>

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