<SEC-DOCUMENT>0001213900-24-049528.txt : 20240604
<SEC-HEADER>0001213900-24-049528.hdr.sgml : 20240604
<ACCEPTANCE-DATETIME>20240604135122
ACCESSION NUMBER:		0001213900-24-049528
CONFORMED SUBMISSION TYPE:	SC 13D/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20240604
DATE AS OF CHANGE:		20240604
GROUP MEMBERS:		ROCCA & PARTNERS STICHTING ADMINISTRATIEKANTOOR AANDELEN SAN FAUSTIN
GROUP MEMBERS:		TECHINT HOLDINGS S.A R.L.

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			TENARIS SA
		CENTRAL INDEX KEY:			0001190723
		STANDARD INDUSTRIAL CLASSIFICATION:	STEEL WORKS, BLAST FURNACES  ROLLING MILLS (COKE OVENS) [3312]
		ORGANIZATION NAME:           	04 Manufacturing
		IRS NUMBER:				000000000

	FILING VALUES:
		FORM TYPE:		SC 13D/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-78699
		FILM NUMBER:		241017074

	BUSINESS ADDRESS:	
		STREET 1:		26, BOULEVARD ROYAL, 4TH FLOOR
		CITY:			LUXEMBOURG
		STATE:			N4
		ZIP:			L-2449
		BUSINESS PHONE:		1-888-300-5432

	MAIL ADDRESS:	
		STREET 1:		26, BOULEVARD ROYAL, 4TH FLOOR
		CITY:			LUXEMBOURG
		STATE:			N4
		ZIP:			L-2449

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SAN FAUSTIN S.A.
		CENTRAL INDEX KEY:			0001429586
		ORGANIZATION NAME:           	
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			N4
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D/A

	BUSINESS ADDRESS:	
		STREET 1:		26, BOULEVARD ROYAL, GROUND FLOOR
		CITY:			LUXEMBOURG
		STATE:			N4
		ZIP:			L-2449
		BUSINESS PHONE:		(352) 2720-9600

	MAIL ADDRESS:	
		STREET 1:		26, BOULEVARD ROYAL, GROUND FLOOR
		CITY:			LUXEMBOURG
		STATE:			N4
		ZIP:			L-2449

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	San Faustin N.V.
		DATE OF NAME CHANGE:	20080312
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13D/A
<SEQUENCE>1
<FILENAME>ea0207310-13da7san_tenaris.htm
<DESCRIPTION>AMENDMENT NO. 7 TO SCHEDULE 13D
<TEXT>
<HTML>
<HEAD>
     <TITLE></TITLE>
</HEAD>
<BODY STYLE="font: 10pt Times New Roman, Times, Serif">

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

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

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

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

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center"><B>SCHEDULE 13D</B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center"><B>(Amendment No. 7)*</B></P>

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

<P STYLE="border-bottom: Black 1.5pt solid; font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center">Tenaris S.A.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center">(Name of Issuer)</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center">Ordinary Shares,
$1.00 par value per share</P>

<!-- Field: Rule-Page --><DIV STYLE="margin-top: 0pt; margin-bottom: 0pt; width: 100%"><DIV STYLE="font-size: 1pt; border-top: Black 1.5pt solid">&nbsp;</DIV></DIV><!-- Field: /Rule-Page -->

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center">(Title of Class of Securities)</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center"><FONT STYLE="font-size: 10pt">88031
M 10 9</FONT></P>



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

<!-- Field: Rule-Page --><DIV STYLE="margin-top: 0pt; margin-bottom: 0pt; width: 100%"><DIV STYLE="font-size: 1pt; border-top: Black 1.5pt solid">&nbsp;</DIV></DIV><!-- Field: /Rule-Page -->

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

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

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

<DIV STYLE="border-bottom: Black 1.5pt solid; padding: 0in 0in 1pt; text-align: center">

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center">Fernando J. Mantilla</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center">26, Boulevard Royal, Ground Floor, L-2449 Luxembourg, Grand-Duchy of Luxembourg</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center">Telephone: +352 27209600</P>

</DIV>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center">(Name, Address and Telephone number of Person Authorized
to</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center">Receive Notices and Communications)</P>

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

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

<!-- Field: Rule-Page --><DIV STYLE="margin-top: 0pt; margin-bottom: 0pt; width: 100%"><DIV STYLE="font-size: 1pt; border-top: Black 1.5pt solid">&nbsp;</DIV></DIV><!-- Field: /Rule-Page -->

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center">(Date of Event Which Requires Filing of this Statement)</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: justify">If the filing person has previously filed a statement
on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of &sect;&sect;240.13d&ndash;1(e),
240.13d&ndash;1(f) or 240.13d&ndash;1(g), check the following box. &#9744;</P>

<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">Note: Schedules filed in paper format shall include
a signed original and five copies of the schedule, including all exhibits. See Rule 13d&ndash;7 for other parties to whom copies are to
be sent.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; width: 100%"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0.25in; text-align: left">*</TD><TD STYLE="text-align: justify">The remainder of this cover page shall be filled out for a reporting person&rsquo;s initial filing on this
                                                                                 form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter
                                                                                 disclosures provided in a prior cover page.</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">The information required on the remainder of this
cover page shall not be deemed to be &ldquo;filed&rdquo; for the purpose of section 18 of the Securities Exchange Act of 1934 (&ldquo;Act&rdquo;)
or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see
the Notes).</P>

<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>

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

<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>

<!-- Field: Page; Sequence: 1; Options: NewSection; Value: 1 -->
    <DIV STYLE="margin-top: 12pt; margin-bottom: 6pt; border-bottom: Black 1.5pt solid"><P STYLE="text-align: center; font: normal 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt">Page <!-- Field: Sequence; Type: Arabic; Name: PageNo -->1<!-- Field: /Sequence --> of 9</P></DIV>
    <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: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"></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="border-top: Black 1.5pt solid; width: 25%; border-bottom: Black 1.5pt solid; font-size: 10pt; padding-top: 3pt; padding-bottom: 3pt"><FONT STYLE="font-family: Times New Roman, Times, Serif">CUSIP NO.<B> </B>88031 M 10 9</FONT></TD>
    <TD STYLE="width: 75%; font-size: 10pt">&nbsp;</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&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="border-top: Black 1.5pt solid; width: 7%"><FONT STYLE="font-family: Times New Roman, Times, Serif">1.</FONT></TD>
    <TD STYLE="border-top: Black 1.5pt solid; width: 93%"><FONT STYLE="font-family: Times New Roman, Times, Serif">NAMES OF REPORTING PERSONS</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif">ROCCA &amp; PARTNERS STICHTING ADMINISTRATIEKANTOOR AANDELEN SAN FAUSTIN</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif">I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif">00-0000000</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: Black 1.5pt solid">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1.5pt solid; text-align: right">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif">2.</FONT></TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif">CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD STYLE="padding-right: 1in; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif">(a)&nbsp;&#9744;</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: right">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD STYLE="padding-right: 1in; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif">(b)&nbsp;&#9744;</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: Black 1.5pt solid">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1.5pt solid; text-align: right">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif">3.</FONT></TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif">SEC USE ONLY</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: Black 1.5pt solid">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1.5pt solid; text-align: right">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif">4.</FONT></TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif">SOURCE OF FUNDS (SEE INSTRUCTIONS): </FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif">N/A</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: Black 1.5pt solid">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1.5pt solid; text-align: right">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif">5.</FONT></TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif">CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO &nbsp;ITEMS
2(d) OR 2(e):&nbsp;&#9744;</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: Black 1.5pt solid">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1.5pt solid">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif">6.</FONT></TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif">CITIZENSHIP OR PLACE OF ORGANIZATION</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif">THE NETHERLANDS</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: Black 1.5pt solid">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1.5pt solid">&nbsp;</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"></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 ROWSPAN="4" STYLE="text-align: center; width: 20%; vertical-align: middle">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">NUMBER OF</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">SHARES</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">BENEFICIALLY</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">OWNED BY</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">EACH</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">REPORTING</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">PERSON</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">WITH:</P></TD>
    <TD STYLE="border-bottom: Black 1.5pt solid; width: 7%"><FONT STYLE="font-family: Times New Roman, Times, Serif">7.</FONT></TD>
    <TD STYLE="border-bottom: Black 1.5pt solid; width: 73%">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">SOLE VOTING POWER: 0&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: Black 1.5pt solid"><FONT STYLE="font-family: Times New Roman, Times, Serif">8.</FONT></TD>
    <TD STYLE="border-bottom: Black 1.5pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">SHARED VOTING POWER: 713,605,187</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: Black 1.5pt solid"><FONT STYLE="font-family: Times New Roman, Times, Serif">9.</FONT></TD>
    <TD STYLE="border-bottom: Black 1.5pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">SOLE DISPOSITIVE POWER: 0&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif">10.</FONT></TD>
    <TD>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">SHARED DISPOSITIVE POWER: 713,605,187</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&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="border-top: Black 1.5pt solid; width: 7%"><FONT STYLE="font-family: Times New Roman, Times, Serif">11.</FONT></TD>
    <TD STYLE="border-top: Black 1.5pt solid; width: 93%">AGGREGATE AMOUNT BENEFICIALLY
OWNED BY EACH REPORTING PERSON: 713,605,187</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: Black 1.5pt solid; text-align: right">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1.5pt solid; text-align: right">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif">12.</FONT></TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif">CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD STYLE="padding-right: 1in; text-align: right">&#9744;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: Black 1.5pt solid; text-align: right">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1.5pt solid; text-align: right">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif">13.</FONT></TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif">PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW&nbsp;(11): 62.8%**</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: Black 1.5pt solid">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1.5pt solid">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif">14.</FONT></TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif">TYPE OF REPORTING PERSON (SEE INSTRUCTIONS): HC</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: Black 1.5pt solid">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1.5pt solid">&nbsp;</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>
<!-- Field: Rule-Page --><DIV STYLE="margin-top: 0pt; margin-bottom: 0pt; width: 25%"><DIV STYLE="font-size: 1pt; border-top: Black 1.5pt solid">&nbsp;</DIV></DIV><!-- Field: /Rule-Page -->
<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; width: 100%"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0in"></TD><TD STYLE="width: 0.25in; text-align: left">**</TD><TD STYLE="text-align: justify">The percent of class figures set forth in this Amendment No.
7 are calculated based on 1,162,757,528 issued Ordinary Shares (as defined below), of which 26,331,980 were held by Tenaris S.A. as treasury
stock as of May 31, 2024, as published on the website of Tenaris S.A.</TD>
</TR></TABLE>

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

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

<!-- Field: Page; Sequence: 2; Value: 1 -->
    <DIV STYLE="margin-top: 12pt; margin-bottom: 6pt; border-bottom: Black 1.5pt solid"><P STYLE="text-align: center; font: normal 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt">Page <!-- Field: Sequence; Type: Arabic; Name: PageNo -->2<!-- Field: /Sequence --> of 9</P></DIV>
    <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: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"></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="border-top: Black 1.5pt solid; border-bottom: Black 1.5pt solid; width: 25%; padding-top: 3pt; padding-bottom: 3pt"><FONT STYLE="font-family: Times New Roman, Times, Serif">CUSIP NO.<B> </B>88031 M 10 9</FONT></TD>
    <TD STYLE="width: 75%">&nbsp;</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 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="border-top: Black 1.5pt solid; width: 7%"><FONT STYLE="font-family: Times New Roman, Times, Serif">1.</FONT></TD>
    <TD STYLE="border-top: Black 1.5pt solid; width: 93%"><FONT STYLE="font-family: Times New Roman, Times, Serif">NAMES OF REPORTING PERSONS</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif">SAN FAUSTIN S.A.</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif">I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif">00-0000000</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: Black 1.5pt solid">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1.5pt solid; text-align: right">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif">2.</FONT></TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif">CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD STYLE="padding-right: 1in; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif">(a)&nbsp;&#9744;</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD STYLE="padding-right: 1in; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif">(b)&nbsp;&#9744;</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: Black 1.5pt solid">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1.5pt solid; text-align: right">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif">3.</FONT></TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif">SEC USE ONLY</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: Black 1.5pt solid">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1.5pt solid; text-align: right">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif">4.</FONT></TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif">SOURCE OF FUNDS (SEE INSTRUCTIONS): </FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif">N/A</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: Black 1.5pt solid">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1.5pt solid; text-align: right">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif">5.</FONT></TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif">CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO &nbsp;ITEMS
2(d) OR 2(e):&nbsp;&#9744;</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: Black 1.5pt solid">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1.5pt solid">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif">6.</FONT></TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif">CITIZENSHIP OR PLACE OF ORGANIZATION</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif">GRAND DUCHY OF LUXEMBOURG</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: Black 1.5pt solid">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1.5pt solid">&nbsp;</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"></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 ROWSPAN="4" STYLE="text-align: center; width: 20%; vertical-align: middle">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">NUMBER OF</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">SHARES</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">BENEFICIALLY</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">OWNED BY</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">EACH</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">REPORTING</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">PERSON</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">WITH:</P></TD>
    <TD STYLE="border-bottom: Black 1.5pt solid; width: 7%"><FONT STYLE="font-family: Times New Roman, Times, Serif">7.</FONT></TD>
    <TD STYLE="border-bottom: Black 1.5pt solid; width: 73%">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">SOLE VOTING POWER: 0</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: Black 1.5pt solid"><FONT STYLE="font-family: Times New Roman, Times, Serif">8.</FONT></TD>
    <TD STYLE="border-bottom: Black 1.5pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">SHARED VOTING POWER: 713,605,187</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: Black 1.5pt solid"><FONT STYLE="font-family: Times New Roman, Times, Serif">9.</FONT></TD>
    <TD STYLE="border-bottom: Black 1.5pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">SOLE DISPOSITIVE POWER: 0</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;&nbsp;</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-bottom: 1pt"><FONT STYLE="font-family: Times New Roman, Times, Serif">10.</FONT></TD>
    <TD STYLE="padding-bottom: 1pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">SHARED DISPOSITIVE POWER: 713,605,187</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 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="border-top: Black 1.5pt solid; width: 7%"><FONT STYLE="font-family: Times New Roman, Times, Serif">11.</FONT></TD>
    <TD STYLE="border-top: Black 1.5pt solid; width: 93%"><FONT STYLE="font-family: Times New Roman, Times, Serif">AGGREGATE AMOUNT BENEFICIALLY
OWNED BY EACH REPORTING PERSON: 713,605,187</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: Black 1.5pt solid">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1.5pt solid; text-align: right">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif">12.</FONT></TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif">CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD STYLE="padding-right: 1in; text-align: right">&#9744;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: Black 1.5pt solid">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1.5pt solid; text-align: right">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif">13.</FONT></TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif">PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11): 62.8%**</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: Black 1.5pt solid">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1.5pt solid">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif">14.</FONT></TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif">TYPE OF REPORTING PERSON (SEE INSTRUCTIONS): CO</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: Black 1.5pt solid">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1.5pt solid">&nbsp;</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

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

<!-- Field: Page; Sequence: 3; Value: 1 -->
    <DIV STYLE="margin-top: 12pt; margin-bottom: 6pt; border-bottom: Black 1.5pt solid"><P STYLE="text-align: center; font: normal 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt">Page <!-- Field: Sequence; Type: Arabic; Name: PageNo -->3<!-- Field: /Sequence --> of 9</P></DIV>
    <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: 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="border-top: Black 1.5pt solid; border-bottom: Black 1.5pt solid; width: 25%; padding-top: 3pt; padding-bottom: 3pt"><FONT STYLE="font-family: Times New Roman, Times, Serif">CUSIP NO.<B> </B>88031 M 10 9<B> </B></FONT></TD>
    <TD STYLE="width: 75%">&nbsp;</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 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="border-top: Black 1.5pt solid; width: 7%"><FONT STYLE="font-family: Times New Roman, Times, Serif">1.</FONT></TD>
    <TD STYLE="border-top: Black 1.5pt solid; width: 93%"><FONT STYLE="font-family: Times New Roman, Times, Serif">NAMES OF REPORTING PERSONS</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif">TECHINT HOLDINGS S.&Agrave; R.L.</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif">I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif">00-0000000</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: Black 1.5pt solid">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1.5pt solid; text-align: right">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif">2.</FONT></TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif">CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD STYLE="padding-right: 1in; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif">(a)&nbsp;&#9744;</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: right">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD STYLE="padding-right: 1in; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif">(b)&nbsp;&#9744;</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: Black 1.5pt solid">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1.5pt solid; text-align: right">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif">3.</FONT></TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif">SEC USE ONLY</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: Black 1.5pt solid">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1.5pt solid">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif">4.</FONT></TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif">SOURCE OF FUNDS (SEE INSTRUCTIONS): </FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif">N/A</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: Black 1.5pt solid">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1.5pt solid">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif">5.</FONT></TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif">CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO &nbsp;ITEMS
2(d) OR 2(e):&nbsp;&#9744;</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: Black 1.5pt solid">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1.5pt solid">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif">6.</FONT></TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif">CITIZENSHIP OR PLACE OF ORGANIZATION</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif">GRAND DUCHY OF LUXEMBOURG</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: Black 1.5pt solid">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1.5pt solid">&nbsp;</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"></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 ROWSPAN="4" STYLE="text-align: center; width: 20%; vertical-align: middle">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">NUMBER OF</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">SHARES</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">BENEFICIALLY</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">OWNED BY</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">EACH</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">REPORTING</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">PERSON</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">WITH:</P></TD>
    <TD STYLE="border-bottom: Black 1.5pt solid; width: 7%"><FONT STYLE="font-family: Times New Roman, Times, Serif">7.</FONT></TD>
    <TD STYLE="border-bottom: Black 1.5pt solid; width: 73%">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">SOLE VOTING POWER: 713,605,187</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: Black 1.5pt solid"><FONT STYLE="font-family: Times New Roman, Times, Serif">8.</FONT></TD>
    <TD STYLE="border-bottom: Black 1.5pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">SHARED VOTING POWER: </P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: Black 1.5pt solid"><FONT STYLE="font-family: Times New Roman, Times, Serif">9.</FONT></TD>
    <TD STYLE="border-bottom: Black 1.5pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">SOLE DISPOSITIVE POWER: 713,605,187</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif">10.</FONT></TD>
    <TD>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">SHARED DISPOSITIVE POWER: </P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 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="border-top: Black 1.5pt solid; width: 7%"><FONT STYLE="font-family: Times New Roman, Times, Serif">11.</FONT></TD>
    <TD STYLE="border-top: Black 1.5pt solid; width: 93%"><FONT STYLE="font-family: Times New Roman, Times, Serif">AGGREGATE AMOUNT BENEFICIALLY
OWNED BY EACH REPORTING PERSON: 713,605,187</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: Black 1.5pt solid; text-align: right">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1.5pt solid; text-align: right">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif">12.</FONT></TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif">CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD STYLE="padding-right: 1in; text-align: right">&#9744;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: Black 1.5pt solid; text-align: right">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1.5pt solid; text-align: right">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif">13.</FONT></TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif">PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW&nbsp;(11): 62.8%**</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: Black 1.5pt solid; text-align: right">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1.5pt solid; text-align: right">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif">14.</FONT></TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif">TYPE OF REPORTING PERSON (SEE INSTRUCTIONS): CO</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: Black 1.5pt solid">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1.5pt solid">&nbsp;</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>



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

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

<!-- Field: Page; Sequence: 4; Value: 1 -->
    <DIV STYLE="margin-top: 12pt; margin-bottom: 6pt; border-bottom: Black 1.5pt solid"><P STYLE="text-align: center; font: normal 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt">Page <!-- Field: Sequence; Type: Arabic; Name: PageNo -->4<!-- Field: /Sequence --> of 9</P></DIV>
    <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: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">This Amendment No. 7 amends and supplements the
Schedule 13D originally filed on February 14<SUP>th</SUP>, 2011 (this &ldquo;Amendment No. 7&rdquo;), as further amended by Amendments
No. 1, No. 2, No. 3, No. 4, No. 5 and No. 6, on behalf of RP STAK, SAN FAUSTIN and TECHINT HOLDINGS (as defined thereunder), relating
to the Ordinary Shares, par value $1 per share of Tenaris S.A. (the &ldquo;Ordinary Shares&rdquo;). This Amendment No. 7 reflects an increase
by 1.42% of the percent of class represented by the Ordinary Shares held by such Reporting Persons, from 61.37% to 62.79%, as reported
on Rows 13 of the cover pages of this Schedule 13D, as a result of repurchases of Ordinary Shares made by Tenaris S.A. in the open market
in the period from February 26, 2024 to May 31, 2024, under Tenaris S.A.&rsquo;s share buyback program publicly announced on November
1, 2023. Except as specifically provided herein, this Amendment No. 7 does not modify any of the information previously reported on the
Schedule 13D and its amendments.</P>
<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-indent: 0in"><B>Item 2. Identity and Background</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 45pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">This Schedule 13D is being jointly filed by each
of the following persons pursuant to Rule 13d-1(k) (collectively, the &ldquo;Reporting Persons&rdquo;).</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; width: 100%"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.5in; text-align: left">(a)</TD><TD STYLE="text-align: justify">ROCCA &amp; PARTNERS STICHTING ADMINISTRATIEKANTOOR AANDELEN
SAN FAUSTIN (&ldquo;RP STAK&rdquo;)</TD>
</TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.75in; text-align: justify">Fascinatio Boulevard 764, 2909 VA Capelle
aan den IJssel, The Netherlands.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.75in; text-align: justify">RP STAK is a private foundation (<I>stichting</I>)
organized under the laws of The Netherlands. No person or group of persons controls RP STAK.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 45pt"><B>&nbsp;</B></P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; width: 100%"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.5in">(b)</TD><TD STYLE="text-align: justify">SAN FAUSTIN S.A. (&ldquo;SAN FAUSTIN&rdquo;)</TD></TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.75in; text-align: justify">26, Boulevard Royal, Ground Floor, L-2449
Luxembourg.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.75in; text-align: justify">SAN FAUSTIN is a <I>soci&eacute;t&eacute;
anonyme</I> (public limited liability company) organized under the laws of the Grand-Duchy of Luxembourg. RP STAK continues to control
SAN FAUSTIN (i.e. it continues to have the ability to influence matters affecting, or submitted to a vote of the shareholders of SAN FAUSTIN,
including the election of directors and the approval of certain corporate transactions and other matters concerning SAN FAUSTIN&rsquo;s
policies).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 45pt; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; width: 100%"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.5in; text-align: left">(c)</TD><TD STYLE="text-align: justify">TECHINT HOLDINGS S.&Agrave; R.L. (&ldquo;TECHINT HOLDINGS&rdquo;)</TD>
</TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.75in; text-align: justify">26, Boulevard Royal, Ground
Floor, L-2449 Luxembourg.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.75in; text-align: justify">TECHINT HOLDINGS is a <I>soci&eacute;t&eacute;
&agrave; responsabilit&eacute; limit&eacute;e</I> (private limited liability company) organized under the laws of the Grand-Duchy of Luxembourg.
All of the shares of TECHINT HOLDINGS are held by SAN FAUSTIN.</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">The name, residence or business address, present
principal occupation or employment (and the name, principal business and address of any corporation or other organization in which such
employment is conducted) and citizenship of each voting committee member, executive officer or director, as applicable, of each Reporting
Person are set forth in Schedule I to the Amendment No.&nbsp;6 to the Schedule 13D of Tenaris S.A., dated January 22, 2024, and incorporated
into this Item 2 by reference.</P>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">During the last five years, none of the Reporting
Persons, nor, to the knowledge of the Reporting Persons, none of the persons listed on Schedule I to the Amendment No.&nbsp;6 to the Schedule
13D of Tenaris S.A., dated January 22, 2024, has (i) been convicted in a criminal proceeding (excluding traffic violations or similar
misdemeanors) or (ii) been a party to a civil proceeding of a judicial or administrative body of competent jurisdiction and as a result
of such proceeding was or is subject to a judgment, decree or final order enjoining future violations of, or prohibiting or mandating
activities subject to federal or state securities laws or finding any violation with respect to such laws.</P>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">Information with respect to each of the Reporting
Persons is given solely by such Reporting Person, and no Reporting Person assumes responsibility for the accuracy or completeness of information
given by another Reporting Person.</P>

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

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

<!-- Field: Page; Sequence: 5; Value: 1 -->
    <DIV STYLE="margin-top: 12pt; margin-bottom: 6pt; border-bottom: Black 1.5pt solid"><P STYLE="text-align: center; font: normal 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt">Page <!-- Field: Sequence; Type: Arabic; Name: PageNo -->5<!-- Field: /Sequence --> of 9</P></DIV>
    <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-indent: 0in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0in"><B>Item 5. Interest in Securities of the Issuer</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 42pt; text-align: justify; text-indent: -42pt">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; width: 100%"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.5in; text-align: left">(a)&nbsp;(b)</TD><TD STYLE="text-align: justify"> RP STAK. See items (7) through (11) and (13) on page
2</TD>
</TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-align: justify; text-indent: 17.4pt">SAN FAUSTIN. See
items (7) through (11) and (13) on page 3</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.75in; text-align: justify; text-indent: 0pt">TECHINT HOLDINGS. See
items (7) through (11) and (13) on page 4</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 45pt; text-align: justify; text-indent: -27pt">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; width: 100%"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.5in; text-align: left">(c)</TD><TD STYLE="text-align: justify">There have been no transactions in Ordinary Shares effected
by the Reporting Persons or, to the best of the Reporting Person&rsquo;s knowledge, any person or entity identified on Schedule I to the Amendment
No.&nbsp;6 to the Schedule 13D of Tenaris S.A., dated January 22, 2024, during the last 60 days.</TD>
</TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 45pt; text-align: justify; text-indent: -27pt">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; width: 100%"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.5in">(d)</TD><TD>Not applicable.</TD></TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; width: 100%"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.5in">(e)</TD><TD STYLE="text-align: justify">Not applicable.</TD></TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">&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"></TD><TD STYLE="width: 45pt"><B>Item 7.</B></TD><TD><B>Material to Be Filed as Exhibits</B></TD></TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">&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="border-bottom: Black 1.5pt solid; width: 9%">Exhibit</TD>
    <TD STYLE="width: 1%">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1.5pt solid; width: 90%; font-size: 10pt; text-align: justify"><FONT STYLE="font-size: 10pt"> Description</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="font-size: 10pt; text-align: justify"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="vertical-align: top; background-color: rgb(204,238,255)">
    <TD>A</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="font-size: 10pt"><A HREF="https://www.sec.gov/Archives/edgar/data/1190723/000117184323006686/sc13da_110223.htm"><FONT STYLE="font-size: 10pt"> Power of Attorney of ROCCA &amp; PARTNERS STICHTING ADMINISTRATIEKANTOOR AANDELEN SAN FAUSTIN dated October 31<SUP>st</SUP>, 2023.***</FONT></A></TD></TR>
  <TR STYLE="vertical-align: top; background-color: White">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="font-size: 10pt; text-align: justify"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="vertical-align: top; background-color: rgb(204,238,255)">
    <TD>B</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="font-size: 10pt"><A HREF="https://www.sec.gov/Archives/edgar/data/1190723/000117184323006686/sc13da_110223.htm"><FONT STYLE="font-size: 10pt"> Power of Attorney of SAN FAUSTIN S.A., dated September 28<SUP>th</SUP>, 2023.***</FONT></A></TD></TR>
  <TR STYLE="vertical-align: top; background-color: White">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="font-size: 10pt; text-align: justify"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="vertical-align: top; background-color: rgb(204,238,255)">
    <TD>C</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="font-size: 10pt"><A HREF="https://www.sec.gov/Archives/edgar/data/1190723/000117184323006686/sc13da_110223.htm"><FONT STYLE="font-size: 10pt"> Power of Attorney of TECHINT HOLDINGS S.&agrave; r.l., dated September 28<SUP>th</SUP>, 2023.***</FONT></A></TD></TR>
  </TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; width: 100%"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0in"></TD><TD STYLE="width: 0.25in; text-align: left">***</TD><TD STYLE="text-align: justify">Previously filed as an exhibit to the Schedule 13D of Tenaris S.A. dated November 2<SUP>nd</SUP>,
                                                                                2023 and incorporated by reference in this Amendment No. 7.</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>

<!-- Field: Page; Sequence: 6; Value: 1 -->
    <DIV STYLE="margin-top: 12pt; margin-bottom: 6pt; border-bottom: Black 1.5pt solid"><P STYLE="text-align: center; font: normal 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt">Page <!-- Field: Sequence; Type: Arabic; Name: PageNo -->6<!-- Field: /Sequence --> of 9</P></DIV>
    <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: justify">&nbsp;</P>




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

<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; text-indent: 0.5in">After reasonable inquiry and
to the best of my knowledge and belief, I, Fernando J. Mantilla, attorney duly authorized by ROCCA &amp; PARTNERS STICHTING ADMINISTRATIEKANTOOR
AANDELEN SAN FAUSTIN to sign this statement, certify that the information set forth in this statement is true, complete and correct.</P>

<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; text-indent: 0.5in">Pursuant to Rule 13d-1(k)(1),
the undersigned joins in the filing of this Amendment No. 7 on his own behalf and on behalf of SAN FAUSTIN S.A. and TECHINT HOLDINGS S.&Agrave;
R.L.</P>

<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">June 4, 2024</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 10pt Times New Roman, Times, Serif; width: 100%">
<TR STYLE="vertical-align: top; text-align: left">
  <TD STYLE="width: 60%">&nbsp;</TD>
  <TD STYLE="border-bottom: Black 1.5pt solid; width: 40%">/s/ Fernando J. Mantilla</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
  <TD>&nbsp;</TD>
  <TD>Attorney-in-fact</TD></TR>
</TABLE>

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

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

<!-- Field: Page; Sequence: 7; Value: 1 -->
    <DIV STYLE="margin-top: 12pt; margin-bottom: 6pt; border-bottom: Black 1.5pt solid"><P STYLE="text-align: center; font: normal 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt">Page <!-- Field: Sequence; Type: Arabic; Name: PageNo -->7<!-- Field: /Sequence --> of 9</P></DIV>
    <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: justify">&nbsp;</P>

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">After reasonable inquiry and
to the best of my knowledge and belief, I, Fernando J. Mantilla, attorney duly authorized by SAN FAUSTIN S.A. to sign this statement,
certify that the information set forth in this statement is true, complete and correct.</P>

<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; text-indent: 0.5in">Pursuant to Rule 13d -
1(k)(1), the undersigned joins in the filing of this Amendment No. 7 on his own behalf and on behalf of ROCCA &amp; PARTNERS
STICHTING ADMINISTRATIEKANTOOR AANDELEN SAN FAUSTIN and TECHINT HOLDINGS S.&Agrave; R.L.</P>

<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">June 4, 2024</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 10pt Times New Roman, Times, Serif; width: 100%">
<TR STYLE="vertical-align: top; text-align: left">
  <TD STYLE="width: 60%">&nbsp;</TD>
  <TD STYLE="border-bottom: Black 1.5pt solid; width: 40%">/s/ Fernando J. Mantilla</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
  <TD>&nbsp;</TD>
  <TD>Attorney-in-fact</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 3in">&nbsp;</P>

<!-- Field: Page; Sequence: 8; Value: 1 -->
    <DIV STYLE="margin-top: 12pt; margin-bottom: 6pt; border-bottom: Black 1.5pt solid"><P STYLE="text-align: center; font: normal 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt">Page <!-- Field: Sequence; Type: Arabic; Name: PageNo -->8<!-- Field: /Sequence --> of 9</P></DIV>
    <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; text-indent: 1.75in">&nbsp;</P>

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

<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; text-indent: 0.5in">After reasonable inquiry and
to the best of my knowledge and belief, I, Fernando J. Mantilla, attorney duly authorized by TECHINT HOLDINGS S.&Agrave; R.L. to sign
this statement, certify that the information set forth in this statement is true, complete and correct.</P>

<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; text-indent: 0.5in">Pursuant to Rule
13d-1(k)(1), the undersigned joins in the filing of this Amendment No. 7 on his own behalf and on behalf of ROCCA &amp; PARTNERS
STICHTING ADMINISTRATIEKANTOOR AANDELEN SAN FAUSTIN and SAN FAUSTIN S.A.</P>

<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">June 4, 2024</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 10pt Times New Roman, Times, Serif; width: 100%">
<TR STYLE="vertical-align: top; text-align: left">
  <TD STYLE="width: 60%">&nbsp;</TD>
  <TD STYLE="border-bottom: Black 1.5pt solid; width: 40%">/s/ Fernando J. Mantilla</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
  <TD>&nbsp;</TD>
  <TD>Attorney-in-fact</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center">&nbsp;</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center">Page 9  of 9</P>

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

<!-- Field: Rule-Page --><DIV STYLE="margin-top: 0pt; margin-bottom: 0pt; width: 100%"><DIV STYLE="font-size: 1pt; border-top: Black 1.5pt solid">&nbsp;</DIV></DIV><!-- Field: /Rule-Page -->

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

</BODY>
</HTML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
