<SEC-DOCUMENT>0001104659-25-057949.txt : 20250610
<SEC-HEADER>0001104659-25-057949.hdr.sgml : 20250610
<ACCEPTANCE-DATETIME>20250609215801
ACCESSION NUMBER:		0001104659-25-057949
CONFORMED SUBMISSION TYPE:	6-K
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20250609
FILED AS OF DATE:		20250610
DATE AS OF CHANGE:		20250609

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			GERDAU S.A.
		CENTRAL INDEX KEY:			0001073404
		STANDARD INDUSTRIAL CLASSIFICATION:	STEEL WORKS, BLAST FURNACES & ROLLING & FINISHING MILLS [3310]
		ORGANIZATION NAME:           	04 Manufacturing
		EIN:				000000000
		STATE OF INCORPORATION:			D5
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		6-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-14878
		FILM NUMBER:		251035849

	BUSINESS ADDRESS:	
		STREET 1:		AV DOUTORA RUTH CARDOSO, 8,501
		STREET 2:		8TH FLOOR
		CITY:			SAO PAULO, SP
		STATE:			D5
		ZIP:			05425-070
		BUSINESS PHONE:		011-55-51-3323-2703

	MAIL ADDRESS:	
		STREET 1:		AV DOUTORA RUTH CARDOSO, 8,501
		STREET 2:		8TH FLOOR
		CITY:			SAO PAULO, SP
		STATE:			D5
		ZIP:			05425-070

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	GERDAU SA
		DATE OF NAME CHANGE:	19981112
</SEC-HEADER>
<DOCUMENT>
<TYPE>6-K
<SEQUENCE>1
<FILENAME>tm2517577d1_6k.htm
<DESCRIPTION>FORM 6-K
<TEXT>
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<P STYLE="margin: 0">&nbsp;</P>

<P STYLE="margin: 0"></P>

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<P STYLE="margin: 0">&nbsp;</P>

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

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

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



<P STYLE="font: 18pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>FORM 6-K </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: 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"><B>Report of Foreign Private Issuer </B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Pursuant to Rule 13a-16 or 15d-16 </B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>under the Securities Exchange Act of 1934 </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: center"><B>For the month of June 2025</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: center"><B>Commission File Number: 001-14878</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></B></P>

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



<P STYLE="font: 24pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>GERDAU S.A. </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: 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"><B>Av. Dra. Ruth Cardoso, 8501, 8th floor</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>05425-070 S&atilde;o Paulo, S&atilde;o Paulo</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Federative Republic of Brazil</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"><B>&nbsp;</B></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">Indicate by check mark whether the registrant files or will file annual
reports under cover of Form 20-F or Form 40-F:</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">Form 20-F <FONT STYLE="font-family: Wingdings">x</FONT>
Form 40-F <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">Indicate by check mark if the registrant is submitting the Form 6-K
in paper as permitted by Regulation S-T Rule 101(b)(1): <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">Indicate by check mark if the registrant is submitting the Form 6-K
in paper as permitted by Regulation S-T Rule 101(b)(7): <FONT STYLE="font-family: Wingdings">&uml;</FONT></P>

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

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

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

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center; text-indent: 0in"><B>Announcement by Gerdau S.A.
of </B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center; text-indent: 0in"><B>Results of Cash Tender Offer
for Any and All Outstanding 4.875% Notes due 2027 issued by Gerdau Trade Inc.</B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>S&atilde;o Paulo, June 9, 2025 &ndash; Gerdau S.A. </B>(&ldquo;<U>Gerdau</U>&rdquo;)
(NYSE: GGB) announces the expiration of its previously announced offer to purchase for cash any and all of the outstanding 4.875% notes
due 2027 (the &ldquo;<U>Notes</U>&rdquo;) issued by Gerdau Trade Inc. (&ldquo;<U>Gerdau Trade</U>&rdquo;), fully, unconditionally and
irrevocably guaranteed by Gerdau (by itself and as successor in interest of Gerdau A&ccedil;os Especiais S.A.), Gerdau A&ccedil;ominas
S.A. and Gerdau A&ccedil;os Longos S.A. (together, the &ldquo;<U>Guarantors</U>&rdquo;) (the &ldquo;<U>Offer</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">The Offer was made upon the terms and subject to the conditions set
forth in the offer to purchase dated June 3, 2025 (the &ldquo;<U>Offer to Purchase</U>&rdquo;) relating to the Notes and the accompanying
notice of guaranteed delivery.</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">Information regarding the Notes and the results of the Offer is summarized
in the following table:</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; width: 100%; font: 10pt Times New Roman, Times, Serif">
  <TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="border-bottom: Black 1pt solid; width: 16%; font: bold 10pt Times New Roman, Times, Serif; text-align: center">Title of Security</TD><TD STYLE="font: bold 10pt Times New Roman, Times, Serif; width: 1%; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; width: 16%; font: bold 10pt Times New Roman, Times, Serif; text-align: center">CUSIP / ISIN</TD><TD STYLE="font: bold 10pt Times New Roman, Times, Serif; width: 1%; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; width: 16%; font: bold 10pt Times New Roman, Times, Serif; text-align: center">Principal Amount<BR>
 Outstanding</TD><TD STYLE="font: bold 10pt Times New Roman, Times, Serif; width: 1%; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; width: 16%; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Principal <BR>
Amount <BR>
Tendered<SUP>(1)</SUP></B></P></TD><TD STYLE="font: bold 10pt Times New Roman, Times, Serif; width: 1%; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; width: 16%; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Principal Amount<BR>
 Outstanding <BR>
Following the<BR>
 Settlement Date<SUP>(1)</SUP></B></P></TD><TD STYLE="font: bold 10pt Times New Roman, Times, Serif; width: 1%; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; width: 15%; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Consideration<SUP>(2)</SUP></B></P></TD></TR>
  <TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="vertical-align: middle; font-size: 10pt; text-align: center">4.875% Notes due 2027</TD><TD STYLE="vertical-align: middle; font: 10pt Times New Roman, Times, Serif; text-align: center">&nbsp;</TD>
    <TD STYLE="vertical-align: middle; font: 10pt Times New Roman, Times, Serif; text-align: center">G3925DAD2 / USG3925DAD24 <BR>
 <BR>37373WAD2 / US37373WAD20</TD><TD STYLE="vertical-align: middle; font: 10pt Times New Roman, Times, Serif; text-align: center">&nbsp;</TD>
    <TD STYLE="vertical-align: middle; font: 10pt Times New Roman, Times, Serif; text-align: center">US$418,244,000</TD><TD STYLE="vertical-align: middle; font: 10pt Times New Roman, Times, Serif; text-align: center">&nbsp;</TD>
    <TD STYLE="vertical-align: middle; font: 10pt Times New Roman, Times, Serif; text-align: center">US$237,646,000 </TD><TD STYLE="vertical-align: middle; font: 10pt Times New Roman, Times, Serif; text-align: center">&nbsp;</TD>
    <TD STYLE="vertical-align: middle; font: 10pt Times New Roman, Times, Serif; text-align: center">US$180,598,000</TD><TD STYLE="vertical-align: middle; font: 10pt Times New Roman, Times, Serif; text-align: center">&nbsp;</TD>
    <TD STYLE="vertical-align: middle; font: 10pt Times New Roman, Times, Serif; text-align: center">US$1,007.83</TD></TR>
  </TABLE>

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

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

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><FONT STYLE="font-size: 3pt">&nbsp;</FONT></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"></TD><TD STYLE="width: 0.25in">(1)</TD><TD>Does not take into account US$200,000 principal amount of Notes tendered pursuant to the Guaranteed Delivery Procedures (as defined
in the Offer to Purchase), which remain subject to the holders&rsquo; performance of the delivery requirements under such Guaranteed Delivery
Procedures.</TD></TR></TABLE>

<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"></TD><TD STYLE="width: 0.25in">(2)</TD><TD>Per US$1,000 principal amount of Notes validly tendered and accepted for purchase, based on the Fixed Spread (as defined in the Offer
to Purchase) <I>plus</I> the yield calculated to the maturity date for the Notes, based on the bid-side price of the Reference U.S. Treasury
Security (as defined in the Offer to Purchase) for the Notes as of 11:00 a.m. (New York City time) on June 9, 2025. The Consideration
does not include Accrued Interest (as defined in the Offer to Purchase) on the Notes, which will be payable in cash.</TD></TR></TABLE>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>Information on the Offer</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">The Offer expired at 5:00 p.m., New York City time, on June 9, 2025
(the &ldquo;<U>Expiration Date</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; background-color: white">All conditions described in the Offer to Purchase
have been satisfied, and Gerdau has accepted for purchase all of the Notes validly tendered.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>Settlement</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-indent: 0in">Settlement of the Offer is expected to occur within
three business days following the Expiration Date, which will be June 12, 2025 (the &ldquo;<U>Settlement Date</U>&rdquo;).</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>For More 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; background-color: white">The terms and conditions of the Offer are
described in the Offer Documents. Copies of the Offer Documents are available at <I>www.dfking.com/gerdau</I> and by request to&nbsp;D.F.
King&nbsp;&amp; Co., Inc., the tender agent and information agent for the Offer (the &ldquo;<U>Tender and Information Agent</U>&rdquo;).
Requests for copies of the Offer Documents should be directed to the Tender and Information Agent at +1 (800) 628-9011 (toll free) and
+1 (212) 269-5550 (collect) or by e-mail to <I>gerdau@dfking.com</I>.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">Gerdau Trade has engaged BofA Securities,
Inc., Goldman Sachs &amp; Co. LLC, J.P. Morgan Securities LLC and Morgan Stanley &amp; Co. LLC to act as the dealer managers (the &ldquo;<U>Dealer
Managers</U>&rdquo;) in connection with the Offer. Any questions or requests for assistance regarding the Offer may be directed to BofA
Securities, Inc. collect at +1 (646) 855-8988 or toll-free (U.S. only) at +1 (888) 292-0070, Goldman Sachs &amp; Co. LLC collect at +1
(212) 357-1452 or toll-free (U.S. only) at +1 (800) 828-3182, J.P. Morgan Securities LLC collect at +1 (212) 834-3554 / +55 11 4950 3312
or toll-free (U.S. only) at +1 (866) 834-4666 / +1 (866) 846-2874, and Morgan Stanley &amp; Co. LLC collect at +1 (212) 761-1057 or toll-free
(U.S. only) at +1 (800) 624-1808.</P>

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

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>Disclaimer </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">This press release is for informational purposes only and does not
constitute an offer to purchase or the solicitation of an offer to sell any securities. The Offer was being made solely by means of the
Offer Documents. The Offer was not made to holders of the Notes in any jurisdiction in which the making or acceptance thereof would not
be in compliance with the securities, blue sky or other laws of such jurisdiction. In those jurisdictions where the securities, blue sky
or other laws require any tender offer to be made by a licensed broker or dealer, the Offer was deemed to be made on behalf of Gerdau
Trade by the Dealer Managers or one or more registered brokers or dealers licensed under the laws of such jurisdiction.</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">The Offer Documents have not been filed with, and have not been approved
or reviewed by any federal or state securities commission or regulatory authority of any country. No authority has passed upon the accuracy
or adequacy of the Offer Documents or any other documents related to the Offer, and it is unlawful and may be a criminal offense to make
any representation to the contrary.</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">This press release may contain forward-looking statements within the
meaning of Section 27A of the U.S. Securities Act of 1933, as amended, and Section 21E of the U.S. Securities Exchange Act of 1934, as
amended, including those related to the Offer. Forward-looking information involves important risks and uncertainties that could significantly
affect anticipated results in the future, and, accordingly, such results may differ from those expressed in any forward-looking statements.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left; text-indent: 0in"><B>Gerdau S.A.</B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">Rafael Dorneles Japur</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">Vice-President and Investor Relations Officer</P>

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

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

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 24.5pt; background-color: white">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 24.5pt; background-color: white">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, thereunto
duly authorized.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 24.5pt; background-color: white">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">Date: June 9, 2025</P>

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<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%">
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    <TD><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
<TD COLSPAN="3" STYLE="font-size: 10pt"><FONT STYLE="font-size: 10pt">Gerdau S.A.</FONT></TD></TR>
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    <TD><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
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<TD STYLE="vertical-align: top; font-size: 10pt"><FONT STYLE="font-size: 10pt">By:</FONT></TD>
<TD COLSPAN="2" STYLE="border-bottom: Black 1pt solid; vertical-align: top"><FONT STYLE="font-size: 10pt">/s/ Rafael Dorneles Japur &nbsp;</FONT></TD></TR>
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<TD STYLE="vertical-align: top; font-size: 10pt; width: 3%"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
<TD STYLE="vertical-align: top; width: 5%"><FONT STYLE="font-size: 10pt">Name:</FONT></TD>
<TD STYLE="vertical-align: bottom; font-size: 10pt; width: 42%"><FONT STYLE="font-size: 10pt">Rafael Dorneles Japur</FONT></TD></TR>
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    <TD><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
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<TD STYLE="vertical-align: top; font-size: 10pt"><FONT STYLE="font-size: 10pt">Title:</FONT></TD>
<TD STYLE="vertical-align: bottom; font-size: 10pt"><FONT STYLE="font-size: 10pt">Vice-President and Investor Relations Officer</FONT></TD></TR>
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