<SEC-DOCUMENT>0001171843-18-003183.txt : 20180430
<SEC-HEADER>0001171843-18-003183.hdr.sgml : 20180430
<ACCEPTANCE-DATETIME>20180430155857
ACCESSION NUMBER:		0001171843-18-003183
CONFORMED SUBMISSION TYPE:	IRANNOTICE
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20180430
DATE AS OF CHANGE:		20180430

FILER:

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

	FILING VALUES:
		FORM TYPE:		IRANNOTICE
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-31518
		FILM NUMBER:		18789514

	BUSINESS ADDRESS:	
		STREET 1:		29 AVENUE DE LA PORTE-NEUVE
		STREET 2:		3RD FLOOR
		CITY:			LUXEMBOURG
		STATE:			N4
		ZIP:			L 2227
		BUSINESS PHONE:		212-376-6500

	MAIL ADDRESS:	
		STREET 1:		29 AVENUE DE LA PORTE-NEUVE
		STREET 2:		3RD FLOOR
		CITY:			LUXEMBOURG
		STATE:			N4
		ZIP:			L 2227
</SEC-HEADER>
<DOCUMENT>
<TYPE>IRANNOTICE
<SEQUENCE>1
<FILENAME>irannotice_043018.htm
<DESCRIPTION>IRANNOTICE
<TEXT>
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<p style="margin: 0"><img src="logo.jpg" alt=""></p>

<p style="margin: 0">&nbsp;</p>

<p style="margin: 0"></p>

<p style="font-size: 10pt; text-align: right; margin: 0pt 0">Tenaris S.A.</p>

<p style="font-size: 10pt; text-align: right; margin: 0pt 0">29, Avenue de la Porte-Neuve</p>

<p style="font-size: 10pt; text-align: right; margin: 0pt 0">L-2227 LUXEMBOURG</p>

<p style="font-size: 10pt; text-align: right; margin: 0pt 0">R.C.S. Luxembourg B-85.203</p>

<p style="font-size: 10pt; text-align: right; margin: 0pt 0">&nbsp;</p>



<p style="margin: 0">&nbsp;</p>

<p style="margin: 0">&nbsp;</p>

<p style="margin: 0">&nbsp;</p>

<p style="margin: 0"></p>

<p style="font-size: 10pt; text-align: right; margin: 0pt 0">&nbsp;</p>

<p style="font-size: 10pt; text-align: right; margin: 0pt 0">April 30, 2018</p>

<p style="font-size: 10pt; margin: 0pt 0">&nbsp;</p>

<p style="font-size: 10pt; margin: 0pt 0">&nbsp;</p>

<p style="font-size: 10pt; margin: 0pt 0">U.S. Securities and Exchange Commission</p>

<p style="font-size: 10pt; margin: 0pt 0">100 F Street N.E.</p>

<p style="font-size: 10pt; margin: 0pt 0">Washington, DC 20549</p>

<p style="font-size: 10pt; margin: 0pt 0">&nbsp;</p>

<table cellspacing="0" cellpadding="0" style="font-size: 10pt; width: 100%">
<tr style="vertical-align: top">
    <td style="width: 7%; font-size: 10pt">Re:</td>
    <td style="width: 93%; font-size: 10pt">Notice of disclosure filed in Annual Report on Form 20-F under Section 219 of the Iran Threat Reduction and Syria Human Rights Act of 2012 and Section 13(r) of the Securities Exchange Act of 1934, as amended</td></tr>
</table>
<p style="font-size: 10pt; margin: 0pt 0">&nbsp;</p>

<p style="font-size: 10pt; margin: 0pt 0">Ladies and Gentlemen:</p>

<p style="font-size: 10pt; margin: 0pt 0">&nbsp;</p>

<p style="font-size: 10pt; margin: 0pt 0">Pursuant to Section&nbsp;219 of the Iran Threat Reduction and Syria Human Rights Act
of 2012 and Section&nbsp;13(r)&nbsp;of the Securities Exchange Act of 1934, as amended, notice is hereby provided that Tenaris
S.A. has made disclosures pursuant to such provisions in its Annual Report on Form 20-F for the fiscal year ended December&nbsp;31,
2017, which was filed with the U.S. Securities and Exchange Commission on April 30, 2018.</p>

<p style="font-size: 10pt; margin: 0pt 0">&nbsp;</p>

<p style="font-size: 10pt; margin: 0pt 0 0pt 2.75in">&nbsp;</p>

<p style="font-size: 10pt; margin: 0pt 0 0pt 2.75in">&nbsp;</p>

<p style="font-size: 10pt; margin: 0pt 0 0pt 2.75in">Respectfully submitted,</p>

<p style="font-size: 10pt; margin: 0pt 0">&nbsp;</p>

<p style="font-size: 10pt; margin: 0pt 0">&nbsp;</p>

<table cellspacing="0" cellpadding="0" style="width: 100%; border-collapse: collapse; font-size: 10pt">
<tr style="vertical-align: top">
    <td>&nbsp;</td>
    <td colspan="2">TENARIS S.A.</td></tr>
<tr>
    <td style="width: 43%">&nbsp;</td>
    <td style="width: 10%">&nbsp;</td>
    <td style="width: 47%">&nbsp;</td></tr>
<tr style="vertical-align: top">
    <td>&nbsp;</td>
    <td>By</td>
    <td style="border-bottom: Black 1pt solid">
/s/ Edgardo Carlos</td></tr>
<tr>
    <td style="vertical-align: top">&nbsp;</td>
    <td>&nbsp;</td>
    <td style="vertical-align: top">Name:&nbsp;&nbsp;Edgardo Carlos</td></tr>
<tr>
    <td style="vertical-align: top">&nbsp;</td>
    <td>&nbsp;</td>
    <td style="vertical-align: top">Title:&nbsp;&nbsp;&nbsp;&nbsp;Chief Financial Officer</td></tr>
</table>
<p style="font-size: 10pt; margin: 0pt 0">&nbsp;</p>

<p style="margin: 0pt 0; font-size: 10pt">&nbsp;</p>

<p style="margin: 0pt 0; font-size: 10pt">&nbsp;</p>

<p style="margin: 0pt 0; font-size: 10pt">&nbsp;</p>

<p style="margin: 0pt 0; font-size: 10pt">&nbsp;</p>

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