<SEC-DOCUMENT>0001104659-24-058974.txt : 20240508
<SEC-HEADER>0001104659-24-058974.hdr.sgml : 20240508
<ACCEPTANCE-DATETIME>20240508204840
ACCESSION NUMBER:		0001104659-24-058974
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20240508
FILED AS OF DATE:		20240508
DATE AS OF CHANGE:		20240508

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Lambranho Fersen
		CENTRAL INDEX KEY:			0001642658
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-42046
		FILM NUMBER:		24928167

	MAIL ADDRESS:	
		STREET 1:		C/O GP INVESTMENTS ACQUISITION CORP.
		STREET 2:		150 E. 52ND STREET, SUITE 5003
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Bonchristiano Antonio
		CENTRAL INDEX KEY:			0001642661
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-42046
		FILM NUMBER:		24928166

	MAIL ADDRESS:	
		STREET 1:		C/O GP INVESTMENTS ACQUISITION CORP.
		STREET 2:		150 E. 52ND STREET, SUITE 5003
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			GPIAC II, LLC
		CENTRAL INDEX KEY:			0001834533
		ORGANIZATION NAME:           	
		STATE OF INCORPORATION:			E9
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-42046
		FILM NUMBER:		24928170

	BUSINESS ADDRESS:	
		STREET 1:		PO BOX 309, UGLAND HOUSE
		CITY:			GRAND CAYMAN
		STATE:			E9
		ZIP:			KY1-1104
		BUSINESS PHONE:		(212) 430-4340

	MAIL ADDRESS:	
		STREET 1:		PO BOX 309, UGLAND HOUSE
		CITY:			GRAND CAYMAN
		STATE:			E9
		ZIP:			KY1-1104

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			GP-Act III Sponsor LLC
		CENTRAL INDEX KEY:			0002022280
		ORGANIZATION NAME:           	
		STATE OF INCORPORATION:			E9
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-42046
		FILM NUMBER:		24928171

	BUSINESS ADDRESS:	
		STREET 1:		300 PARK AVENUE, 2ND FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022
		BUSINESS PHONE:		212-430-4340

	MAIL ADDRESS:	
		STREET 1:		300 PARK AVENUE, 2ND FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			GPIC, LLC
		CENTRAL INDEX KEY:			0001882754
		ORGANIZATION NAME:           	
		STATE OF INCORPORATION:			D0
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-42046
		FILM NUMBER:		24928169

	BUSINESS ADDRESS:	
		STREET 1:		16 BURNABY STREET
		CITY:			HAMILTON
		STATE:			D0
		ZIP:			HM 11
		BUSINESS PHONE:		1 (441) 279 0604

	MAIL ADDRESS:	
		STREET 1:		16 BURNABY STREET
		CITY:			HAMILTON
		STATE:			D0
		ZIP:			HM 11

	FORMER NAME:	
		FORMER CONFORMED NAME:	GPIC, Ltd.
		DATE OF NAME CHANGE:	20210913

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			GP Investments, Ltd.
		CENTRAL INDEX KEY:			0001882765
		ORGANIZATION NAME:           	
		STATE OF INCORPORATION:			D0
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-42046
		FILM NUMBER:		24928168

	BUSINESS ADDRESS:	
		STREET 1:		16 BURNABY STREET
		CITY:			HAMILTON
		STATE:			D0
		ZIP:			HM 11
		BUSINESS PHONE:		1 (441) 279 0604

	MAIL ADDRESS:	
		STREET 1:		16 BURNABY STREET
		CITY:			HAMILTON
		STATE:			D0
		ZIP:			HM 11

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			GP-Act III Acquisition Corp.
		CENTRAL INDEX KEY:			0001834526
		STANDARD INDUSTRIAL CLASSIFICATION:	BLANK CHECKS [6770]
		ORGANIZATION NAME:           	05 Real Estate & Construction
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			E9
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		PO BOX 309, UGLAND HOUSE
		CITY:			GRAND CAYMAN
		STATE:			E9
		ZIP:			KY1-1104
		BUSINESS PHONE:		(212) 430-4340

	MAIL ADDRESS:	
		STREET 1:		PO BOX 309, UGLAND HOUSE
		CITY:			GRAND CAYMAN
		STATE:			E9
		ZIP:			KY1-1104

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	GP Investments Acquisition Corp. II
		DATE OF NAME CHANGE:	20201202
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>tm2413705-6_3seq1.xml
<DESCRIPTION>OWNERSHIP DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2024-05-08</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001834526</issuerCik>
        <issuerName>GP-Act III Acquisition Corp.</issuerName>
        <issuerTradingSymbol>GPAT</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0002022280</rptOwnerCik>
            <rptOwnerName>GP-Act III Sponsor LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>300 PARK AVENUE 2ND FLOOR</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001834533</rptOwnerCik>
            <rptOwnerName>GPIAC II, LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>300 PARK AVENUE 2ND FLOOR</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001882754</rptOwnerCik>
            <rptOwnerName>GPIC, LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>300 PARK AVENUE 2ND FLOOR</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001882765</rptOwnerCik>
            <rptOwnerName>GP Investments, Ltd.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>300 PARK AVENUE 2ND FLOOR</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001642658</rptOwnerCik>
            <rptOwnerName>Lambranho Fersen</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>300 PARK AVENUE 2ND FLOOR</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001642661</rptOwnerCik>
            <rptOwnerName>Bonchristiano Antonio</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>300 PARK AVENUE 2ND FLOOR</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Executive Officer</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>Class B ordinary shares</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F1"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class A ordinary shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>6175000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F2"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">As described in the issuer's registration statement on Form S-1 (File No. 333-278825) under the heading &quot;Description of Securities--Founder Shares,&quot; the Class B ordinary shares, par value $0.0001 per share, of the issuer will automatically convert into Class A ordinary shares, par value $0.0001 per share, of the issuer at the time of the issuer's initial business combination, or earlier at the option of the holder, on a one-for-one basis, subject to certain adjustment, and have no expiration date.</footnote>
        <footnote id="F2">Reflects securities held directly by GP-Act III Sponsor LLC (the &quot;Sponsor Holdco&quot;). GPIAC II, LLC (&quot;GP Sponsor&quot;), IDS III LLC and Boxcar Partners III, LLC are the managing members of Sponsor Holdco. Investment and voting decisions are made by 51% or more of the voting power held by the managing members of Sponsor HoldCo. By virtue of having a 50% interest in the voting power in Sponsor HoldCo, GP Sponsor may be deemed to beneficially own the founder shares held by Sponsor HoldCo. GP Sponsor is controlled by GPIC, LLC. GPIC, LLC. is controlled by GP Investments, Ltd. GP Investments, Ltd. is jointly controlled by Mr. Fersen Lamas Lambranho and Mr. Antonio Bonchristiano, who by virtue of their control may be deemed to share beneficial ownership of the securities held by Sponsor Holdco. The reporting persons disclaim beneficial ownership of the securities reported herein, except to the extent of their pecuniary interest therein.</footnote>
    </footnotes>

    <remarks>Mr. Lambranho serves on the board of directors of the issuer. For the purposes of Section 16 of the Securities Exchange Act of 1934, as amended, the reporting persons, including Sponsor Holdco, may be deemed a director by deputization with respect to the issuer on the basis of the service of Mr. Lambranho on the issuer's board of directors.

Exhibit 24 - Power of Attorney</remarks>

    <ownerSignature>
        <signatureName>GP-Act III Sponsor LLC, By: /s/ Antonio Bonchristiano, Chief Executive Officer</signatureName>
        <signatureDate>2024-05-08</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>GPIAC II, LLC, By: /s/ Antonio Bonchristiano, as director of GPIC, LLC, managing member of GPIAC II, LLC</signatureName>
        <signatureDate>2024-05-08</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>GPIC, LLC, By: /s/ Antonio Bonchristiano, Director /s/ Rodrigo Boscolo, Director</signatureName>
        <signatureDate>2024-05-08</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>GP Investments, Ltd., By: /s/ Antonio Bonchristiano, Chief Executive Officer /s/ Rodrigo Boscolo, Chief Financial Officer</signatureName>
        <signatureDate>2024-05-08</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Fersen Lamas Lambranho By: /s/ Antonio Bonchristiano, as Attorney-in-Fact</signatureName>
        <signatureDate>2024-05-08</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Antonio Bonchristiano</signatureName>
        <signatureDate>2024-05-08</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>tm2413705d6_ex24.htm
<DESCRIPTION>EXHIBIT 24
<TEXT>
<HTML>
<HEAD>
     <TITLE></TITLE>
</HEAD>
<BODY STYLE="font: 10pt Times New Roman, Times, Serif">

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

<P STYLE="text-align: right; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>Exhibit 24</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>POWER OF ATTORNEY</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>For Executing Forms 3, 4 and 5</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">KNOW ALL BY THESE PRESENTS, that the undersigned hereby constitutes
and appoints each of Antonio Bonchristiano, Rodrigo Boscolo and Steven Spinner, or any of them, each acting alone, his or her true and
lawful attorney-in-fact to:</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: 1.2in; font-size: 10pt">&nbsp;</TD>
<TD STYLE="width: 0.5in">(1) </TD>
<TD STYLE="padding-right: 0.15in">prepare, execute in the undersigned&rsquo;s name and on the undersigned&rsquo;s behalf, and submit to the U.S. Securities and Exchange Commission (the &ldquo;SEC&rdquo;) a Form&nbsp;ID, including amendments thereto, and any other documents necessary or appropriate to obtain and/or regenerate codes, passphrases and passwords enabling the undersigned to make electronic filings with the SEC of reports required by Section&nbsp;16 of the Securities Exchange Act of 1934, as amended, and the rules&nbsp;and regulations promulgated thereunder; </TD></TR>
<TR STYLE="vertical-align: top">
<TD STYLE="font-size: 10pt">&nbsp;</TD>
<TD>&nbsp;</TD>
<TD STYLE="padding-right: 0.15in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
<TD STYLE="font-size: 10pt">&nbsp;</TD>
<TD>(2)</TD>
<TD STYLE="padding-right: 0.15in"> execute for and on behalf of the undersigned a Form&nbsp;3, Form&nbsp;4 or Form&nbsp;5, or any amendment thereto, relating to the securities of GP-Act III Acquisition Corp., in accordance with Section&nbsp;16(a)&nbsp;of the Securities Exchange Act of 1934 and the rules&nbsp;thereunder;</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: 1.2in; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="width: 0.5in; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(3)</FONT></TD>
    <TD STYLE="padding-right: 0.15in; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">do and perform any and all acts for and on behalf of the undersigned which may be necessary or desirable to complete and execute such Form&nbsp;3, Form&nbsp;4 or Form&nbsp;5, or any amendment thereto, and the timely filing of such form with the United States Securities and Exchange Commission and any other authority; and &nbsp;</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: 1.2in; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="width: 0.5in; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(4)</FONT></TD>
    <TD STYLE="padding-right: 0.2in; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">take any other action of any type whatsoever in connection with the foregoing which, in the opinion of such attorney-in-fact, may be of benefit to, in the best interest of, or legally required by, the undersigned, it being understood that the documents executed by such attorney-in-fact on behalf of the undersigned pursuant to this Power of Attorney shall be in such form and shall contain such terms and conditions as such attorney-in-fact may approve in such attorney-in-fact&rsquo;s discretion.</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">The undersigned hereby grants to each such attorney-in-fact full power
and authority to do and perform any and every act and thing whatsoever requisite, necessary and proper to be done in the exercise of any
of the rights and powers herein granted, as fully to all intents and purposes as such undersigned might or could do if personally present,
hereby ratifying and confirming all that such attorney-in-fact shall lawfully do or cause to be done by virtue of this Power of Attorney
and the rights and powers herein granted. The undersigned acknowledges that each of the foregoing attorneys-in-fact, in serving in such
capacity at the request of the undersigned, is not assuming any of the undersigned&rsquo;s responsibilities to comply with Section&nbsp;16
of the Securities Exchange Act of 1934. This Power of Attorney shall remain in full force and effect until the undersigned is no longer
required to file Forms 3, 4 and 5 with respect to the undersigned&rsquo;s holdings of and transactions in securities issued by GP-Act
III Acquisition Corp. unless earlier revoked by the undersigned in a signed writing delivered to the foregoing attorneys-in-fact.</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">IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney
to be executed as of this 8th day of May&nbsp;2024.</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: 50%">&nbsp;</TD>
    <TD STYLE="width: 3%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">By:</FONT></TD>
    <TD STYLE="width: 47%; border-bottom: black 1pt solid"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">/s/
Fersen Lamas Lambranho</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Name</FONT>: Fersen Lamas Lambranho</TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 3in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 3in"></P>

<!-- Field: Page; Sequence: 1 -->
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    <!-- Field: /Page -->

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 3in">&nbsp;</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>For Executing Forms 3, 4 and 5</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">KNOW ALL BY THESE PRESENTS, that the undersigned hereby constitutes
and appoints each of Rodrigo Boscolo, Fersen Lamas Lambranho and Steven Spinner, or any of them, each acting alone, his or her true and
lawful attorney-in-fact to:</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: 1.2in; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="width: 0.5in; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(1)</FONT></TD>
    <TD STYLE="padding-right: 0.15in; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">prepare, execute in the undersigned&rsquo;s name and on the undersigned&rsquo;s behalf, and submit to the U.S. Securities and Exchange Commission (the &ldquo;SEC&rdquo;) a Form&nbsp;ID, including amendments thereto, and any other documents necessary or appropriate to obtain and/or regenerate codes, passphrases and passwords enabling the undersigned to make electronic filings with the SEC of reports required by Section&nbsp;16 of the Securities Exchange Act of 1934, as amended, and the rules&nbsp;and regulations promulgated thereunder;</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

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  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 1.2in">&nbsp;</TD>
    <TD STYLE="width: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(2)</FONT></TD>
    <TD STYLE="padding-right: 0.15in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">execute for and on behalf of the undersigned a Form&nbsp;3, Form&nbsp;4 or Form&nbsp;5, or any amendment thereto, relating to the securities of GP-Act III Acquisition Corp., in accordance with Section&nbsp;16(a)&nbsp;of the Securities Exchange Act of 1934 and the rules&nbsp;thereunder; &nbsp;</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

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    <TD STYLE="width: 1.2in">&nbsp;</TD>
    <TD STYLE="width: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(3)</FONT></TD>
    <TD STYLE="padding-right: 0.15in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">do and perform any and all acts for and on behalf of the undersigned which may be necessary or desirable to complete and execute such Form&nbsp;3, Form&nbsp;4 or Form&nbsp;5, or any amendment thereto, and the timely filing of such form with the United States Securities and Exchange Commission and any other authority; and &nbsp;</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

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  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 1.2in">&nbsp;</TD>
    <TD STYLE="width: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(4)</FONT></TD>
    <TD STYLE="padding-right: 0.2in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">take any other action of any type whatsoever in connection with the foregoing which, in the opinion of such attorney-in-fact, may be of benefit to, in the best interest of, or legally required by, the undersigned, it being understood that the documents executed by such attorney-in-fact on behalf of the undersigned pursuant to this Power of Attorney shall be in such form and shall contain such terms and conditions as such attorney-in-fact may approve in such attorney-in-fact&rsquo;s discretion.</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">The undersigned hereby grants to each such attorney-in-fact full power
and authority to do and perform any and every act and thing whatsoever requisite, necessary and proper to be done in the exercise of any
of the rights and powers herein granted, as fully to all intents and purposes as such undersigned might or could do if personally present,
hereby ratifying and confirming all that such attorney-in-fact shall lawfully do or cause to be done by virtue of this Power of Attorney
and the rights and powers herein granted. The undersigned acknowledges that each of the foregoing attorneys-in-fact, in serving in such
capacity at the request of the undersigned, is not assuming any of the undersigned&rsquo;s responsibilities to comply with Section&nbsp;16
of the Securities Exchange Act of 1934. This Power of Attorney shall remain in full force and effect until the undersigned is no longer
required to file Forms 3, 4 and 5 with respect to the undersigned&rsquo;s holdings of and transactions in securities issued by GP-Act
III Acquisition Corp. unless earlier revoked by the undersigned in a signed writing delivered to the foregoing attorneys-in-fact.</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">IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney
to be executed as of this 8th day of May&nbsp;2024.</P>

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

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    <TD STYLE="width: 50%">&nbsp;</TD>
    <TD STYLE="width: 3%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">By:</FONT></TD>
    <TD STYLE="width: 47%; border-bottom: black 1pt solid"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">/s/
</FONT>Antonio Bonchristiano</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Name</FONT>: Antonio Bonchristiano</TD></TR>
  </TABLE>
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