<SEC-DOCUMENT>0001208646-11-000289.txt : 20110712
<SEC-HEADER>0001208646-11-000289.hdr.sgml : 20110712
<ACCEPTANCE-DATETIME>20110712102355
ACCESSION NUMBER:		0001208646-11-000289
CONFORMED SUBMISSION TYPE:	6-K
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20110712
FILED AS OF DATE:		20110712
DATE AS OF CHANGE:		20110712

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			YPF SOCIEDAD ANONIMA
		CENTRAL INDEX KEY:			0000904851
		STANDARD INDUSTRIAL CLASSIFICATION:	PETROLEUM REFINING [2911]
		IRS NUMBER:				521612271
		STATE OF INCORPORATION:			C1
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		6-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-12102
		FILM NUMBER:		11963184

	BUSINESS ADDRESS:	
		STREET 1:		AVENIDA PTE R SAENZ 777-8 PISO
		CITY:			BUENOS AIRES 1364 AR
		STATE:			C1
		BUSINESS PHONE:		5413267265

	MAIL ADDRESS:	
		STREET 1:		AVENIDA PTE R SAENZ 777-8 PISO
		CITY:			BUENOS AIRES
		STATE:			C1
</SEC-HEADER>
<DOCUMENT>
<TYPE>6-K
<SEQUENCE>1
<FILENAME>c105227.htm
<TEXT>

<HTML>
<HEAD>
   <TITLE>c105227.htm - Prepared by Imprima</TITLE>
</HEAD>

<BODY bgcolor="#ffffff">
<a name="page_1"></a><a name="_bclPageBorder1"></a><DIV STYLE="WIDTH: 100%; PADDING-RIGHT: 0%; PADDING-LEFT: 0%">

<a name="_bclHeader1"></a><DIV>





<p style="margin:0in;margin-bottom:.0001pt;"><font face="Times New Roman,serif" lang=EN-US style="font-size:10.0pt;">&nbsp;</font></p>





</DIV>
<div style="page:WordSection1;"><p align=center style="margin-left:0in;margin-right:0in;text-align:center;"><b><font face="Times New Roman,serif" lang=ES style="font-size:12.0pt;">&#8195;</font></b></p>




</div>
<a name="_bclFooter1"></a><DIV>





<p align=center style="margin:0in;margin-bottom:.0001pt;text-align:center;"><font face="Times New Roman,serif" lang=EN-US style="font-size:9.0pt;">&nbsp;</font></p>





</DIV>
</DIV><HR noshade align="center" width="100%" size=2><DIV STYLE="page-break-before: always">&nbsp;</div>

<A name="page_2"></A>
<a name="_bclPageBorder2"></a><DIV style="PADDING-LEFT: 0%; WIDTH: 100%; PADDING-RIGHT: 0%">
<a name="_bclHeader2"></a><DIV>
<P style="MARGIN: 0in 0in 0pt"><FONT style="FONT-SIZE: 10pt" lang=EN-US face="Times New Roman,serif"></FONT>&nbsp;</P>
</DIV>
<DIV style="page: WordSection1">
<P style="PAGE-BREAK-AFTER: avoid; TEXT-ALIGN: right; MARGIN: 0in 0in 10pt"><B><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 12pt" lang=EN-US face="Times New Roman,serif"></FONT></B>&nbsp;</P>
<DIV style="BORDER-BOTTOM: medium none; BORDER-LEFT: medium none; PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; PADDING-RIGHT: 0in; BORDER-TOP: windowtext 4.5pt double; BORDER-RIGHT: medium none; PADDING-TOP: 1pt">
<P style="BORDER-BOTTOM: medium none; BORDER-LEFT: medium none; PADDING-BOTTOM: 0in; MARGIN: 0in 0in 0pt; PADDING-LEFT: 0in; PADDING-RIGHT: 0in; BORDER-TOP: medium none; BORDER-RIGHT: medium none; PADDING-TOP: 0in"><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 10pt" lang=EN-US face="Times New Roman,serif"></FONT>&nbsp;</P>
</DIV>
<P style="MARGIN: 0in 0in 0pt"><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 10pt" lang=EN-US face="Times New Roman,serif"></FONT>&nbsp;</P>
<P style="TEXT-ALIGN: center; MARGIN: 0in 0in 0pt" align=center><B><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 16pt" lang=EN-US face="Times New Roman,serif">FORM 6-K</FONT></B></P>
<P style="TEXT-ALIGN: center; MARGIN: 0in 0in 0pt" align=center><B><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 14pt" lang=EN-US face="Times New Roman,serif">SECURITIES AND EXCHANGE COMMISSION</FONT></B></P>
<P style="TEXT-ALIGN: center; MARGIN: 0in 0in 0pt" align=center><B><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 14pt" lang=EN-US face="Times New Roman,serif">Washington, D.C. 20549</FONT></B></P>
<P style="TEXT-ALIGN: center; MARGIN: 0in 0in 0pt" align=center><B><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 14pt" lang=EN-US face="Times New Roman,serif">Report of Foreign Issuer</FONT></B></P>
<P style="TEXT-ALIGN: center; MARGIN: 0in 0in 0pt" align=center><B><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 14pt" lang=EN-US face="Times New Roman,serif"></FONT></B>&nbsp;</P>
<P style="TEXT-ALIGN: center; MARGIN: 0in 0in 0pt" align=center><B><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 14pt" lang=EN-US face="Times New Roman,serif">Pursuant to Rule 13a-16 or 15d-16 of</FONT></B></P>
<P style="TEXT-ALIGN: center; MARGIN: 0in 0in 0pt" align=center><B><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 14pt" lang=EN-US face="Times New Roman,serif">the Securities Exchange Act of 1934</FONT></B></P>
<P style="TEXT-ALIGN: center; MARGIN: 0in 0in 0pt" align=center><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 10pt" lang=EN-US face="Times New Roman,serif"></FONT>&nbsp;</P>
<P style="TEXT-ALIGN: center; MARGIN: 0in 0in 0pt" align=center><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 12pt" lang=EN-US face="Times New Roman,serif">For the month of July, 2011</FONT></P>
<P style="TEXT-ALIGN: center; MARGIN: 0in 0in 0pt" align=center><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 12pt" lang=EN-US face="Times New Roman,serif"></FONT>&nbsp;</P>
<P style="TEXT-ALIGN: center; MARGIN: 0in 0in 0pt"><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 12pt" lang=EN-US face="Times New Roman,serif">Commission File Number: 001-12102</FONT></P>
<P style="TEXT-ALIGN: center; MARGIN: 0in 0in 0pt" align=center><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 12pt" lang=EN-US face="Times New Roman,serif"></FONT>&nbsp;</P>
<P style="MARGIN: 0in 0in 0pt"><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 10pt" lang=EN-US face="Times New Roman,serif"></FONT>&nbsp;</P>
<P style="TEXT-ALIGN: center; MARGIN: 0in 0in 0pt" align=center><B><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 20pt" lang=EN-US face="Times New Roman,serif">YPF Sociedad An&#243;nima</FONT></B></P>
<P style="TEXT-ALIGN: center; MARGIN: 0in 0in 0pt" align=center><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 10pt" lang=EN-US face="Times New Roman,serif">(Exact name of registrant as specified in its charter)</FONT></P>
<P style="TEXT-ALIGN: center; MARGIN: 0in 0in 0pt" align=center><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 10pt" lang=EN-US face="Times New Roman,serif"></FONT>&nbsp;</P>
<P style="TEXT-ALIGN: center; MARGIN: 0in 0in 0pt" align=center><B><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 12pt" lang=EN-US face="Times New Roman,serif">Macacha G&#252;emes 515</FONT></B></P>
<P style="TEXT-ALIGN: center; MARGIN: 0in 0in 0pt" align=center><B><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 12pt" lang=EN-US face="Times New Roman,serif">C1106BKK Buenos Aires, Argentina</FONT></B></P>
<P style="TEXT-ALIGN: center; MARGIN: 0in 0in 0pt" align=center><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 10pt" lang=EN-US face="Times New Roman,serif">(Address of principal executive office)</FONT></P>
<P style="TEXT-ALIGN: center; MARGIN: 0in 0in 0pt" align=center><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 10pt" lang=EN-US face="Times New Roman,serif"></FONT>&nbsp;</P>
<P style="TEXT-ALIGN: center; MARGIN: 0in 0in 0pt" align=center><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 11pt" lang=EN-US face="Times New Roman,serif">Indicate by check mark whether the registrant files or will file </FONT></P>
<P style="TEXT-ALIGN: center; MARGIN: 0in 0in 0pt" align=center><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 11pt" lang=EN-US face="Times New Roman,serif">annual reports under cover of Form 20-F or Form 40-F:</FONT></P>
<DIV align=center>
<TABLE style="WIDTH: 50%; BORDER-COLLAPSE: collapse; MARGIN-LEFT: 55pt" border=0 cellSpacing=0 cellPadding=0>
<TR>
     <TD vAlign=top width="33%">
<P style="TEXT-ALIGN: center; MARGIN: 0in 0in 0pt" align=center><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 11pt" face="Times New Roman,serif">Form 20-F</FONT></P>
</TD>
     <TD vAlign=top width="17%">
<DIV style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 1pt; PADDING-LEFT: 0in; PADDING-RIGHT: 0in; BORDER-TOP: medium none; BORDER-RIGHT: medium none; PADDING-TOP: 0in">
<P style="BORDER-BOTTOM: medium none; TEXT-ALIGN: center; BORDER-LEFT: medium none; PADDING-BOTTOM: 0in; MARGIN: 0in 0in 0pt; PADDING-LEFT: 0in; PADDING-RIGHT: 0in; BORDER-TOP: medium none; BORDER-RIGHT: medium none; PADDING-TOP: 0in" align=center><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 11pt" face="Times New Roman,serif">X</FONT></P>
</DIV></TD>
     <TD vAlign=top width="33%">
<P style="TEXT-ALIGN: center; MARGIN: 0in 0in 0pt" align=center><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 11pt" face="Times New Roman,serif">Form 40-F</FONT></P>
</TD>
     <TD vAlign=top width="17%">
<DIV style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 1pt; PADDING-LEFT: 0in; PADDING-RIGHT: 0in; BORDER-TOP: medium none; BORDER-RIGHT: medium none; PADDING-TOP: 0in">
<P style="BORDER-BOTTOM: medium none; TEXT-ALIGN: center; BORDER-LEFT: medium none; PADDING-BOTTOM: 0in; MARGIN: 0in 0in 0pt; PADDING-LEFT: 0in; PADDING-RIGHT: 0in; BORDER-TOP: medium none; BORDER-RIGHT: medium none; PADDING-TOP: 0in" align=center><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 11pt" face="Times New Roman,serif"></FONT>&nbsp;</P>
</DIV></TD></TR></TABLE></DIV>
<P style="TEXT-ALIGN: center; MARGIN: 0in 0in 0pt" align=center><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 11pt" lang=EN-US face="Times New Roman,serif"></FONT>&nbsp;</P>
<P style="TEXT-ALIGN: center; MARGIN: 0in 0in 0pt" align=center><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 11pt" lang=EN-US face="Times New Roman,serif">Indicate by check mark if the registrant is submitting the Form 6-K </FONT></P>
<P style="TEXT-ALIGN: center; MARGIN: 0in 0in 0pt" align=center><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 11pt" lang=EN-US face="Times New Roman,serif">in paper as permitted by Regulation S-T Rule 101(b)(1):</FONT></P>
<DIV align=center>
<TABLE style="WIDTH: 50%; BORDER-COLLAPSE: collapse; MARGIN-LEFT: 55pt" border=0 cellSpacing=0 cellPadding=0>
<TR>
     <TD vAlign=top width="33%">
<P style="TEXT-ALIGN: center; MARGIN: 0in 0in 0pt" align=center><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 11pt" face="Times New Roman,serif">Yes</FONT></P>
</TD>
     <TD vAlign=top width="17%">
<DIV style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 1pt; PADDING-LEFT: 0in; PADDING-RIGHT: 0in; BORDER-TOP: medium none; BORDER-RIGHT: medium none; PADDING-TOP: 0in">
<P style="BORDER-BOTTOM: medium none; TEXT-ALIGN: center; BORDER-LEFT: medium none; PADDING-BOTTOM: 0in; MARGIN: 0in 0in 0pt; PADDING-LEFT: 0in; PADDING-RIGHT: 0in; BORDER-TOP: medium none; BORDER-RIGHT: medium none; PADDING-TOP: 0in" align=center><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 11pt" face="Times New Roman,serif"></FONT>&nbsp;</P>
</DIV></TD>
     <TD vAlign=top width="33%">
<P style="TEXT-ALIGN: center; MARGIN: 0in 0in 0pt" align=center><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 11pt" face="Times New Roman,serif">No</FONT></P>
</TD>
     <TD vAlign=top width="17%">
<DIV style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 1pt; PADDING-LEFT: 0in; PADDING-RIGHT: 0in; BORDER-TOP: medium none; BORDER-RIGHT: medium none; PADDING-TOP: 0in">
<P style="BORDER-BOTTOM: medium none; TEXT-ALIGN: center; BORDER-LEFT: medium none; PADDING-BOTTOM: 0in; MARGIN: 0in 0in 0pt; PADDING-LEFT: 0in; PADDING-RIGHT: 0in; BORDER-TOP: medium none; BORDER-RIGHT: medium none; PADDING-TOP: 0in" align=center><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 11pt" face="Times New Roman,serif">X</FONT></P>
</DIV></TD></TR></TABLE></DIV>
<P style="TEXT-ALIGN: center; MARGIN: 0in 0in 0pt" align=center><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 11pt" lang=EN-US face="Times New Roman,serif"></FONT>&nbsp;</P>
<P style="TEXT-ALIGN: center; MARGIN: 0in 0in 0pt" align=center><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 11pt" lang=EN-US face="Times New Roman,serif">Indicate by check mark if the registrant is submitting the Form 6-K </FONT></P>
<P style="TEXT-ALIGN: center; MARGIN: 0in 0in 0pt" align=center><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 11pt" lang=EN-US face="Times New Roman,serif">in paper as permitted by Regulation S-T Rule 101(b)(7):</FONT></P>
<DIV align=center>
<TABLE style="WIDTH: 50%; BORDER-COLLAPSE: collapse; MARGIN-LEFT: 55pt" border=0 cellSpacing=0 cellPadding=0>
<TR>
     <TD vAlign=top width="33%">
<P style="TEXT-ALIGN: center; MARGIN: 0in 0in 0pt" align=center><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 11pt" face="Times New Roman,serif">Yes</FONT></P>
</TD>
     <TD vAlign=top width="17%">
<DIV style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 1pt; PADDING-LEFT: 0in; PADDING-RIGHT: 0in; BORDER-TOP: medium none; BORDER-RIGHT: medium none; PADDING-TOP: 0in">
<P style="BORDER-BOTTOM: medium none; TEXT-ALIGN: center; BORDER-LEFT: medium none; PADDING-BOTTOM: 0in; MARGIN: 0in 0in 0pt; PADDING-LEFT: 0in; PADDING-RIGHT: 0in; BORDER-TOP: medium none; BORDER-RIGHT: medium none; PADDING-TOP: 0in" align=center><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 11pt" face="Times New Roman,serif"></FONT>&nbsp;</P>
</DIV></TD>
     <TD vAlign=top width="33%">
<P style="TEXT-ALIGN: center; MARGIN: 0in 0in 0pt" align=center><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 11pt" face="Times New Roman,serif">No</FONT></P>
</TD>
     <TD vAlign=top width="17%">
<DIV style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 1pt; PADDING-LEFT: 0in; PADDING-RIGHT: 0in; BORDER-TOP: medium none; BORDER-RIGHT: medium none; PADDING-TOP: 0in">
<P style="BORDER-BOTTOM: medium none; TEXT-ALIGN: center; BORDER-LEFT: medium none; PADDING-BOTTOM: 0in; MARGIN: 0in 0in 0pt; PADDING-LEFT: 0in; PADDING-RIGHT: 0in; BORDER-TOP: medium none; BORDER-RIGHT: medium none; PADDING-TOP: 0in" align=center><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 11pt" face="Times New Roman,serif">X</FONT></P>
</DIV></TD></TR></TABLE></DIV>
<P style="TEXT-ALIGN: center; MARGIN: 0in 0in 0pt" align=center><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 11pt" lang=EN-US face="Times New Roman,serif"></FONT>&nbsp;</P>
<P style="TEXT-ALIGN: center; MARGIN: 0in 0pt 0pt 0in" align=center><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 11pt" lang=EN-US face="Times New Roman,serif">Indicate by check mark whether by furnishing the information </FONT></P>
<P style="TEXT-ALIGN: center; MARGIN: 0in 0pt 0pt 0in" align=center><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 11pt" lang=EN-US face="Times New Roman,serif">contained in this Form, the Registrant is also thereby furnishing the information to the Commission </FONT></P>
<P style="TEXT-ALIGN: center; MARGIN: 0in 0pt 0pt 0in" align=center><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 11pt" lang=EN-US face="Times New Roman,serif">pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934:</FONT></P>
<DIV align=center>
<TABLE style="WIDTH: 50%; BORDER-COLLAPSE: collapse; MARGIN-LEFT: 55pt" border=0 cellSpacing=0 cellPadding=0>
<TR>
     <TD vAlign=top width="33%">
<P style="TEXT-ALIGN: center; MARGIN: 0in 0in 0pt" align=center><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 11pt" face="Times New Roman,serif">Yes</FONT></P>
</TD>
     <TD vAlign=top width="17%">
<DIV style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 1pt; PADDING-LEFT: 0in; PADDING-RIGHT: 0in; BORDER-TOP: medium none; BORDER-RIGHT: medium none; PADDING-TOP: 0in">
<P style="BORDER-BOTTOM: medium none; TEXT-ALIGN: center; BORDER-LEFT: medium none; PADDING-BOTTOM: 0in; MARGIN: 0in 0in 0pt; PADDING-LEFT: 0in; PADDING-RIGHT: 0in; BORDER-TOP: medium none; BORDER-RIGHT: medium none; PADDING-TOP: 0in" align=center><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 11pt" face="Times New Roman,serif"></FONT>&nbsp;</P>
</DIV></TD>
     <TD vAlign=top width="33%">
<P style="TEXT-ALIGN: center; MARGIN: 0in 0in 0pt" align=center><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 11pt" face="Times New Roman,serif">No</FONT></P>
</TD>
     <TD vAlign=top width="17%">
<DIV style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 1pt; PADDING-LEFT: 0in; PADDING-RIGHT: 0in; BORDER-TOP: medium none; BORDER-RIGHT: medium none; PADDING-TOP: 0in">
<P style="BORDER-BOTTOM: medium none; TEXT-ALIGN: center; BORDER-LEFT: medium none; PADDING-BOTTOM: 0in; MARGIN: 0in 0in 0pt; PADDING-LEFT: 0in; PADDING-RIGHT: 0in; BORDER-TOP: medium none; BORDER-RIGHT: medium none; PADDING-TOP: 0in" align=center><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 11pt" face="Times New Roman,serif">X</FONT></P>
</DIV></TD></TR></TABLE></DIV>
<P style="TEXT-ALIGN: center; MARGIN: 0in 0in 0pt" align=center><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 11pt" lang=EN-US face="Times New Roman,serif"></FONT>&nbsp;</P>
<P style="TEXT-ALIGN: center; MARGIN: 0in 0in 0pt" align=center><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 11pt" lang=EN-US face="Times New Roman,serif">If &#147;Yes&#148; is marked, indicate below the file number assigned to the registrant </FONT></P>
<P style="TEXT-ALIGN: center; MARGIN: 0in 0in 0pt" align=center><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 11pt" lang=EN-US face="Times New Roman,serif">in connection with Rule 12g3-2(b): </FONT><U><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 11pt" lang=EN-US face="Times New Roman,serif">&nbsp;N/A</FONT></U></P>
<P style="MARGIN: 0in 0in 0pt"><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 10pt" lang=EN-US face="Times New Roman,serif"></FONT>&nbsp;</P>
<DIV style="BORDER-BOTTOM: windowtext 4.5pt double; BORDER-LEFT: medium none; PADDING-BOTTOM: 1pt; PADDING-LEFT: 0in; PADDING-RIGHT: 0in; BORDER-TOP: medium none; BORDER-RIGHT: medium none; PADDING-TOP: 0in">
<P style="BORDER-BOTTOM: medium none; TEXT-ALIGN: center; BORDER-LEFT: medium none; PADDING-BOTTOM: 0in; MARGIN: 0in 0in 0pt; PADDING-LEFT: 0in; PADDING-RIGHT: 0in; BORDER-TOP: medium none; BORDER-RIGHT: medium none; PADDING-TOP: 0in" align=center><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 10pt" lang=EN-US face="Times New Roman,serif"></FONT>&nbsp;</P>
</DIV></DIV>
<a name="_bclFooter2"></a><DIV>
<P style="TEXT-ALIGN: center; MARGIN: 0in 0in 0pt" align=center><FONT style="FONT-SIZE: 9pt" lang=EN-US face="Times New Roman,serif"></FONT>&nbsp;</P>
</DIV></DIV>
<HR align=center SIZE=2 width="100%" noShade>
<DIV style="PAGE-BREAK-BEFORE: always">&nbsp;</DIV>
<a name="page_3"></a><a name="_bclPageBorder3"></a><DIV STYLE="WIDTH: 100%; PADDING-RIGHT: 0%; PADDING-LEFT: 0%">

<a name="_bclHeader3"></a><DIV>





<p style="margin:0in;margin-bottom:.0001pt;"><font face="Times New Roman,serif" lang=EN-US style="font-size:10.0pt;">&nbsp;</font></p>





</DIV>
<div style="page:WordSection1;"><p style="margin:0in;margin-bottom:.0001pt;"><font face="Times New Roman,serif" lang=EN-US style="font-size:12.0pt;text-autospace:ideograph-numeric ideograph-other;">&nbsp;</font></p>

<p align=center style="margin:0in;margin-bottom:.0001pt;text-align:center;"><font face="Times New Roman,serif" lang=EN-US style="font-size:10.0pt;text-autospace:ideograph-numeric ideograph-other;">This Form 6-K is
incorporated by reference into the registration statements on Form F-3 filed by
YPF Sociedad An&#243;nima with the Securities and Exchange Commission (File Nos.
333-149313, 333-170848 and 333-172317)</font></p>

<p align=center style="margin:0in;margin-bottom:.0001pt;text-align:center;"><b><font face="Times New Roman,serif" lang=EN-US style="font-size:14.0pt;text-autospace:ideograph-numeric ideograph-other;">&nbsp;</font></b></p>

<p align=center style="margin:0in;margin-bottom:.0001pt;text-align:center;"><b><font face="Times New Roman,serif" lang=EN-US style="font-size:14.0pt;text-autospace:ideograph-numeric ideograph-other;">&nbsp;</font></b></p>

<p align=center style="margin:0in;margin-bottom:.0001pt;text-align:center;"><b><font face="Times New Roman,serif" lang=EN-US style="font-size:14.0pt;text-autospace:ideograph-numeric ideograph-other;">YPF Sociedad An&#243;nima</font></b></p>

<p align=center style="margin:0in;margin-bottom:.0001pt;text-align:center;"><font face="Times New Roman,serif" lang=EN-US style="font-size:10.0pt;text-autospace:ideograph-numeric ideograph-other;">&nbsp;</font></p>

<p align=center style="margin:0in;margin-bottom:.0001pt;text-align:center;"><font face="Times New Roman,serif" lang=EN-US style="font-size:10.0pt;text-autospace:ideograph-numeric ideograph-other;">&nbsp;</font></p>

<p align=center style="margin:0in;margin-bottom:.0001pt;text-align:center;"><font face="Times New Roman,serif" lang=EN-US style="font-size:12.0pt;text-autospace:ideograph-numeric ideograph-other;">TABLE OF CONTENTS</font></p>

<p style="margin:0in;margin-bottom:.0001pt;"><font face="Times New Roman,serif" lang=EN-US style="font-size:10.0pt;text-autospace:ideograph-numeric ideograph-other;">&nbsp;</font></p>

<p style="margin:0in;margin-bottom:.0001pt;"><font face="Times New Roman,serif" lang=EN-US style="font-size:10.0pt;text-autospace:ideograph-numeric ideograph-other;">&nbsp;</font></p>

<div align=left><table cellpadding=0 cellspacing=0 border=0 style="border-collapse:collapse;margin-left:.45pt;width:100%;">
 <tr>
  <td valign=bottom width=13% style="padding:0in 0in 0in 0in;">
  <div style="border:none;border-bottom:solid black 1.0pt;padding:0in 0in 1.0pt 0in;">
  <p align=center style="border:none;margin:0in;margin-bottom:.0001pt;padding:0in;text-align:center;"><b><font face="Times New Roman,serif" style="font-size:12.0pt;text-autospace:ideograph-numeric ideograph-other;">Item</font></b></p>
  </div>
  </td>
 <td valign=bottom width=87% style="padding:0in 0in 0in 0in;">
  <p align=center style="margin:0in;margin-bottom:.0001pt;text-align:center;"><font face="Times New Roman,serif" style="font-size:12.0pt;text-autospace:ideograph-numeric ideograph-other;">&nbsp;</font></p>
  </td>
 </tr>
<tr>
  <td width=13% style="padding:0in 0in 0in 0in;">
  <p align=center style="margin:0in;margin-bottom:.0001pt;text-align:center;"><font face="Times New Roman,serif" style="font-size:12.0pt;text-autospace:ideograph-numeric ideograph-other;">&nbsp;</font></p>
  </td>
 <td width=87% style="padding:0in 0in 0in 0in;">
  <p style="margin:0in;margin-bottom:.0001pt;"><font face="Times New Roman,serif" style="font-size:12.0pt;text-autospace:ideograph-numeric ideograph-other;">&nbsp;</font></p>
  </td>
 </tr>
<tr>
  <td valign=top width=13% style="padding:0in 0in 0in 0in;">
  <p align=center style="margin:0in;margin-bottom:.0001pt;margin-left:0in;text-align:center;text-indent:0in;"><font face="Times New Roman,serif" style="font-size:12.0pt;text-autospace:ideograph-numeric ideograph-other;text-decoration:none;">1</font><font face="Times New Roman" style="font-size:7.0pt;text-autospace:ideograph-numeric ideograph-other;text-decoration:none;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
  </font><font face="Times New Roman,serif" style="font-size:12.0pt;text-autospace:ideograph-numeric ideograph-other;text-decoration:none;">&nbsp;</font></p>
  </td>
 <td valign=top width=87% style="padding:0in 0in 0in 0in;">
  <p style="margin:0in;margin-bottom:6.0pt;text-align:justify;"><font face="Times New Roman,serif" style="font-size:10.0pt;text-autospace:ideograph-numeric ideograph-other;">Recent
  Developments</font></p>
  </td>
 </tr>
</table></div>

<p style="margin:0in;margin-bottom:.0001pt;"><font face="Times New Roman,serif" lang=EN-US style="font-size:10.0pt;text-autospace:ideograph-numeric ideograph-other;">&nbsp;</font></p>




</div>
<a name="_bclFooter3"></a><DIV>





<p align=center style="margin:0in;margin-bottom:.0001pt;text-align:center;"><font face="Times New Roman,serif" lang=EN-US style="font-size:9.0pt;">&nbsp;</font></p>





</DIV>
</DIV><HR noshade align="center" width="100%" size=2><DIV STYLE="page-break-before: always">&nbsp;</div>

<A name="page_4"></A>
<a name="_bclPageBorder4"></a><DIV style="PADDING-LEFT: 0%; WIDTH: 100%; PADDING-RIGHT: 0%">
<a name="_bclHeader4"></a><DIV>
<P style="MARGIN: 0in 0in 0pt"><FONT style="FONT-SIZE: 10pt" lang=EN-US face="Times New Roman,serif"></FONT>&nbsp;</P>
</DIV>
<DIV style="page: WordSection1">
<P style="PAGE-BREAK-AFTER: avoid; TEXT-ALIGN: center; MARGIN: 10pt 0in"><B><FONT style="TEXT-TRANSFORM: uppercase; TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 10pt" lang=EN-US face="Times New Roman,serif">Recent Developments</FONT></B></P>
<P style="MARGIN: 0in 0in 12pt"><B><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 10pt" lang=EN-US face="Times New Roman,serif">Legal Proceedings</FONT></B></P>
<P style="TEXT-INDENT: 0.25in; MARGIN: 0in 0in 12pt"><B><I><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 10pt" lang=EN-US face="Times New Roman,serif">Argentina&#150;legal proceedings update</FONT></I></B></P>
<P style="TEXT-INDENT: 0.25in; MARGIN: 0in 0in 12pt"><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 10pt" lang=EN-US face="Times New Roman,serif">Set forth below is a summary of significant recent developments in legal proceedings in which we are involved in Argentina.</FONT></P>
<P style="TEXT-INDENT: 0.25in; MARGIN: 0in 0in 12pt"><I><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 10pt" lang=EN-US face="Times New Roman,serif">Alleged defaults under natural gas supply contracts</FONT></I><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 10pt" lang=EN-US face="Times New Roman,serif">. In connection with certain claims related to transportation fees and charges associated with transportation services under contracts associated with natural gas exports, one of the parties, Nacion Fideicomisos S.A., initiated a claim against YPF claiming <FONT style="FONT-SIZE: 10pt" face="Times New Roman">the payment of certain transportation charges</FONT>. A mediation hearing is scheduled for July 25, 2011. In the opinion of our management, the claim initiated by Nacion Fideicomisos S.A. will not have a material adverse effect on our results of operations. </FONT></P>
<P style="TEXT-INDENT: 0.25in; MARGIN: 0in 0in 12pt"><B><I><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 10pt" lang=EN-US face="Times New Roman,serif">YPF Holdings&#151;legal proceedings update</FONT></I></B></P>
<P style="TEXT-INDENT: 0.25in; MARGIN: 0in 0in 12pt"><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 10pt" lang=EN-US face="Times New Roman,serif">Set forth below is a summary of significant recent developments in the legal proceedings involving our subsidiary, YPF Holdings, Inc.</FONT></P>
<P style="TEXT-INDENT: 0.25in; MARGIN: 0in 0in 12pt"><I><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 10pt" lang=EN-US face="Times New Roman,serif">Passaic River/Newark Bay, New Jersey</FONT></I><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 10pt" lang=EN-US face="Times New Roman,serif">.&nbsp; In respect of the Passaic River litigation discussed under &#147;Item 8. Financial Information&#151;Legal Proceedings&#151;YPF Holdings&#151;Passaic River/Newark Bay, New Jersey&#148; in our Annual Report on Form 20-F for the year ended December 31, 2010, in May 2011, the judge issued Case Management Order XVII (&#147;CMO XVII&#148;), which contains the trial plan for the case.&nbsp; This trial plan divides the case into two phases, each with its own mini-trials.&nbsp; Phase one will determine liability and Phase two will determine damages.&nbsp; Following the entry of CMO XVII, the State of New Jersey and Occidental Petroleum Corporation (&#147;Occidental&#148;) filed motions for partial summary judgment.&nbsp; The State of New Jersey filed two motions, one against Occidental and Maxus Energy Corporation (&#147;Maxus&#148;), seeking a partial summary judgment that Occidental is liable to the State under the Spill Act, and the other against Tierra Solutions Inc. (&#147;Tierra&#148;), arguing that Tierra also has Spill Act liability to the State.&nbsp; Occidental, meanwhile, brought a motion for partial summary judgment of liability against Maxus on Occidental&#146;s liability claims (Occidental has also joined the State&#146;s motion against Tierra).&nbsp; Opposition briefs were filed on June 23 and June 24, 2011.&nbsp; Oral argument on these motions is scheduled for July 15, 2011.</FONT></P>
<P style="MARGIN: 0in 0in 12pt"><B><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 10pt" lang=EN-US face="Times New Roman,serif">Other Recent Developments</FONT></B></P>
<P style="TEXT-INDENT: -0.25in; MARGIN: 0in 0in 12pt 0.5in"><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 10pt" lang=EN-US face=Symbol>&#183;</FONT><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 7pt" lang=EN-US face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </FONT><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 10pt" lang=EN-US face="Times New Roman,serif">On April 26, 2011, Mr. Roberto Baratta was appointed to our Board of Directors as a representative of the Argentine government, the sole holder of our class A shares. Mr. Baratta obtained his degree in International Trade from the University of Luj&#225;n and obtained an M.B.A. degree from the University of Buenos Aires.&nbsp; Since 2003, he has been the Under-Secretary of Coordination and Management Control in the Ministry of Planning, Public Investment and Services of the Argentine Republic.&nbsp; Previously, he worked as a consultant for both private and public sector entities.</FONT></P>
<P style="TEXT-INDENT: -0.25in; MARGIN: 0in 0in 12pt 0.5in"><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 10pt" lang=EN-US face=Symbol>&#183;</FONT><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 7pt" lang=EN-US face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </FONT><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 10pt" lang=EN-US face="Times New Roman,serif">On April 26, 2011, the Ordinary Shareholders&#146; meeting approved, among other matters, our appropriation of Ps.6,622 million as a reserve for future dividends, and empowered our Board of Directors to authorize the payment of dividends from such reserve amount until the date of the next Ordinary Shareholders&#146; meeting, considering our results of operations and financial condition, among other matters.&nbsp; In May 2011, we paid dividends in the amount of Ps.2,753 million.</FONT></P>
</DIV>
<a name="_bclFooter4"></a><DIV>
<P style="TEXT-ALIGN: center; MARGIN: 0in 0in 0pt" align=center><FONT style="FONT-SIZE: 9pt" lang=EN-US face="Times New Roman,serif"></FONT>&nbsp;</P>
</DIV></DIV>
<HR align=center SIZE=2 width="100%" noShade>
<DIV style="PAGE-BREAK-BEFORE: always">&nbsp;</DIV>


<A name="page_5"></A>
<a name="_bclPageBorder5"></a><DIV style="PADDING-LEFT: 0%; WIDTH: 100%; PADDING-RIGHT: 0%">
<a name="_bclHeader5"></a><DIV>
<P style="MARGIN: 0in 0in 0pt"><FONT style="FONT-SIZE: 10pt" lang=EN-US face="Times New Roman,serif"></FONT>&nbsp;</P>
</DIV>
<DIV style="page: WordSection1">
<P style="TEXT-INDENT: -0.25in; MARGIN: 0in 0in 12pt 0.5in"><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 10pt" lang=EN-US face=Symbol>&#183;</FONT><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 7pt" lang=EN-US face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </FONT><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 10pt" lang=EN-US face="Times New Roman,serif">Under the Exploration and Production Development Program 2010/2014, we have drilled six vertical exploration wells appraising an area of 330 km&#178; (81,500 acres) in the Vaca Muerta formation, in the northern area of Loma La Lata, Neuqu&#233;n province.&nbsp; The results showed initial flows ranging from 200 to 560 barrels of oil equivalent per day (boe/d &#150; average during the first 30 days of production in each well).&nbsp; As of the date hereof, no proved reserves have been recognized for the related projects.&nbsp; Proved reserves may be recognized only once the applicable regulations and requirements for recording proved reserves are met.&nbsp; In light of our initial results, YPF will begin a pilot development in an area of 25 Km2 (6,180 acres) and appraise another 200 km2 (49,400 acres).&nbsp; We estimate that about 17 new wells will be drilled and 14 existing wells will be fractured during the remainder of 2011, which is expected to involve an estimated total investment of approximately U$S270 million, of which US$100 million have already been invested.</FONT></P>
<P style="TEXT-INDENT: -0.25in; MARGIN: 0in 0in 12pt 0.5in"><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 10pt" lang=EN-US face=Symbol>&#183;</FONT><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 7pt" lang=EN-US face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </FONT><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 10pt" lang=EN-US face="Times New Roman,serif">In the three-month period ended June 30, 2011, the Province of Santa Cruz, which produces approximately 20% of Argentina&#146;s crude oil, was affected by a province-wide teachers&#146; strike and an unrelated oil-workers&#146; strike.&nbsp; These disputes have adversely affected the operations of YPF and other oil-producing companies, causing the temporary suspension of operations, or a reduction in production, in their oil-fields in the Province of Santa Cruz.&nbsp; Although our financial statements for the three-month period ended June 30, 2011 have not been finalized as of the date of this prospectus supplement, we expect that our results of operations and our operating margins for such period will be adversely affected by losses in production of crude oil resulting from these strikes, as well as by the higher volume of products we have purchased from third parties to cover production shortfalls, partially offset by an increase in production in other areas.&nbsp; Although we have resumed production in our oil-fields in part of the Province of Santa Cruz, our financial performance may be further adversely affected if strikes or other forms of protest continue.&nbsp; In 2010, our production from the Province of Santa Cruz represented approximately 24% of our total production of crude oil.</FONT></P>
<P style="TEXT-INDENT: -0.25in; MARGIN: 0in 0in 12pt 0.5in"><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 10pt" lang=EN-US face=Symbol>&#183;</FONT><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 7pt" lang=EN-US face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </FONT><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 10pt" lang=EN-US face="Times New Roman,serif">In June 2011, we issued a new series of debt securities, denominated in Argentine pesos for a total of Ps.300 million.&nbsp; These debt securities mature in December 2013.</FONT></P>
<P style="TEXT-INDENT: -0.25in; MARGIN: 0in 0in 12pt 0.5in"><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 10pt" lang=EN-US face=Symbol>&#183;</FONT><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 7pt" lang=EN-US face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </FONT><I><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 10pt" lang=EN-US face="Times New Roman,serif">Extension of Exploitation Concessions in the province of Mendoza</FONT></I><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 10pt" lang=EN-US face="Times New Roman,serif">.&nbsp; In April 2011, YPF entered into a Memorandum of Agreement with the province of Mendoza to extend the term of certain exploitation concessions and the transportation concessions located within the province.&nbsp; This agreement became effective on July 4, 2011 through the issuance of Executive Decree 1,465 of the Province of Mendoza.</FONT></P>
<P style="MARGIN: 0in 0in 0pt"><FONT style="FONT-SIZE: 12pt" lang=EN-US face="Times New Roman,serif"></FONT>&nbsp;</P>
</DIV>
<a name="_bclFooter5"></a><DIV>
<P style="TEXT-ALIGN: center; MARGIN: 0in 0in 0pt" align=center><FONT style="FONT-SIZE: 9pt" lang=EN-US face="Times New Roman,serif"></FONT>&nbsp;</P>
</DIV></DIV>
<HR align=center SIZE=2 width="100%" noShade>
<DIV style="PAGE-BREAK-BEFORE: always">&nbsp;</DIV>


<A name="page_6"></A>
<a name="_bclPageBorder6"></a><DIV style="PADDING-LEFT: 0%; WIDTH: 100%; PADDING-RIGHT: 0%">
<a name="_bclHeader6"></a><DIV>
<P style="MARGIN: 0in 0in 0pt"><FONT style="FONT-SIZE: 10pt" lang=EN-US face="Times New Roman,serif"></FONT>&nbsp;</P>
</DIV>
<DIV style="page: WordSection1">
<P style="MARGIN: 0in 0in 0pt"><B><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 10pt" lang=EN-US face="Times New Roman,serif"></FONT></B>&nbsp;</P>
<P style="MARGIN: 0in 0in 0pt"><B><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 10pt" lang=EN-US face="Times New Roman,serif"></FONT></B>&nbsp;</P>
<P style="TEXT-ALIGN: center; MARGIN: 0in 0in 10pt" align=center><B><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 10pt" lang=EN-US face="Times New Roman,serif">SIGNATURE </FONT></B></P>
<P style="TEXT-INDENT: 24.5pt; MARGIN: 0.1in 0in 0pt"><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 10pt" lang=EN-US face="Times New Roman,serif">Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized. </FONT></P>
<P style="MARGIN: 0in 0in 0pt"><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 7pt" lang=EN-US face="Times New Roman,serif"></FONT>&nbsp;</P>
<DIV align=left>
<TABLE style="WIDTH: 100%" border=0 cellSpacing=0 cellPadding=0>
<TR>
     <TD style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; PADDING-RIGHT: 0in; PADDING-TOP: 0in" width="48%">
<P style="MARGIN: 0in 0in 0pt"><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 12pt" face="Times New Roman,serif"></FONT>&nbsp;</P>
</TD>
     <TD style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; PADDING-RIGHT: 0in; PADDING-TOP: 0in" vAlign=bottom width="1%">
<P style="MARGIN: 0in 0in 0pt"><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 12pt" face="Times New Roman,serif"></FONT>&nbsp;</P>
</TD>
     <TD style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; PADDING-RIGHT: 0in; PADDING-TOP: 0in" width="2%">
<P style="MARGIN: 0in 0in 0pt"><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 12pt" face="Times New Roman,serif"></FONT>&nbsp;</P>
</TD>
     <TD style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; PADDING-RIGHT: 0in; PADDING-TOP: 0in" vAlign=bottom width="1%">
<P style="MARGIN: 0in 0in 0pt"><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 12pt" face="Times New Roman,serif"></FONT>&nbsp;</P>
</TD>
     <TD style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; PADDING-RIGHT: 0in; PADDING-TOP: 0in" width="48%">
<P style="MARGIN: 0in 0in 0pt"><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 12pt" face="Times New Roman,serif"></FONT>&nbsp;</P>
</TD></TR>
<TR>
     <TD style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; PADDING-RIGHT: 0in; PADDING-TOP: 0in" vAlign=top width="48%">
<P style="MARGIN: 0in 0in 0pt"><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 12pt" face="Times New Roman,serif"></FONT>&nbsp;</P>
</TD>
     <TD style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; PADDING-RIGHT: 0in; PADDING-TOP: 0in" vAlign=bottom width="1%">
<P style="MARGIN: 0in 0in 0pt"><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 7.5pt" face="Times New Roman,serif"></FONT>&nbsp;</P>
</TD>
     <TD style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; PADDING-RIGHT: 0in; PADDING-TOP: 0in" vAlign=bottom width="51%" colSpan=3>
<P style="MARGIN: 0in 0in 0pt"><B><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 10pt" face="Times New Roman,serif">YPF Sociedad An&#243;nima</FONT></B></P>
</TD></TR>
<TR style="HEIGHT: 9.6pt">
     <TD style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; PADDING-RIGHT: 0in; HEIGHT: 9.6pt; PADDING-TOP: 0in" width="48%">
<P style="MARGIN: 0in 0in 0pt"><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 10pt" face="Times New Roman,serif"></FONT>&nbsp;</P>
</TD>
     <TD style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; PADDING-RIGHT: 0in; HEIGHT: 9.6pt; PADDING-TOP: 0in" width="3%" colSpan=2>
<P style="MARGIN: 0in 0in 0pt"><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 10pt" face="Times New Roman,serif"></FONT>&nbsp;</P>
</TD>
     <TD style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; PADDING-RIGHT: 0in; HEIGHT: 9.6pt; PADDING-TOP: 0in" width="49%" colSpan=2>
<P style="MARGIN: 0in 0in 0pt"><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 10pt" face="Times New Roman,serif"></FONT>&nbsp;</P>
</TD></TR>
<TR>
     <TD style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; PADDING-RIGHT: 0in; PADDING-TOP: 0in" vAlign=top width="48%">
<P style="MARGIN: 0in 0in 0pt"><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 10pt" face="Times New Roman,serif">Date: July <FONT style="FONT-SIZE: 10pt" face="Times New Roman">12</FONT>, 2011</FONT></P>
</TD>
     <TD style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; PADDING-RIGHT: 0in; PADDING-TOP: 0in" vAlign=bottom width="1%">
<P style="MARGIN: 0in 0in 0pt"><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 7.5pt" face="Times New Roman,serif"></FONT>&nbsp;</P>
</TD>
     <TD style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; PADDING-RIGHT: 0in; PADDING-TOP: 0in" vAlign=bottom width="2%">
<P style="MARGIN: 0in 0in 0pt"><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 10pt" face="Times New Roman,serif">By:</FONT></P>
</TD>
     <TD style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; PADDING-RIGHT: 0in; PADDING-TOP: 0in" vAlign=bottom width="1%">
<P style="MARGIN: 0in 0in 0pt"><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 7.5pt" face="Times New Roman,serif"></FONT>&nbsp;</P>
</TD>
     <TD style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; PADDING-RIGHT: 0in; PADDING-TOP: 0in" vAlign=bottom width="48%">
<DIV style="BORDER-BOTTOM: black 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; PADDING-RIGHT: 0in; BORDER-TOP: medium none; BORDER-RIGHT: medium none; PADDING-TOP: 0in">
<P style="BORDER-BOTTOM: medium none; BORDER-LEFT: medium none; PADDING-BOTTOM: 0in; MARGIN: 0in 0in 0.6pt; PADDING-LEFT: 0in; PADDING-RIGHT: 0in; BORDER-TOP: medium none; BORDER-RIGHT: medium none; PADDING-TOP: 0in"><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 12pt" face="Times New Roman,serif">/s/ <FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 10pt" face="Times New Roman,serif"><FONT style="FONT-SIZE: 10pt" face="Times New Roman">Mauro Dacomo</FONT></FONT></FONT></P>
</DIV></TD></TR>
<TR>
     <TD style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; PADDING-RIGHT: 0in; PADDING-TOP: 0in" vAlign=top width="48%">
<P style="MARGIN: 0in 0in 0pt"><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 12pt" face="Times New Roman,serif"></FONT>&nbsp;</P>
</TD>
     <TD style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; PADDING-RIGHT: 0in; PADDING-TOP: 0in" vAlign=bottom width="1%">
<P style="MARGIN: 0in 0in 0pt"><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 7.5pt" face="Times New Roman,serif"></FONT>&nbsp;</P>
</TD>
     <TD style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; PADDING-RIGHT: 0in; PADDING-TOP: 0in" vAlign=bottom width="2%">
<P style="MARGIN: 0in 0in 0pt"><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 10pt" face="Times New Roman,serif">Name:</FONT></P>
</TD>
     <TD style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; PADDING-RIGHT: 0in; PADDING-TOP: 0in" vAlign=bottom width="1%">
<P style="MARGIN: 0in 0in 0pt"><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 7.5pt" face="Times New Roman,serif"></FONT>&nbsp;</P>
</TD>
     <TD style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; PADDING-RIGHT: 0in; PADDING-TOP: 0in" vAlign=bottom width="48%">
<P style="MARGIN: 0in 0in 0pt"><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 10pt" face="Times New Roman,serif"><FONT style="FONT-SIZE: 10pt" face="Times New Roman">Mauro Dacomo</FONT></FONT></P>
</TD></TR>
<TR>
     <TD style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; PADDING-RIGHT: 0in; PADDING-TOP: 0in" vAlign=top width="48%">
<P style="MARGIN: 0in 0in 0pt"><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 12pt" face="Times New Roman,serif"></FONT>&nbsp;</P>
</TD>
     <TD style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; PADDING-RIGHT: 0in; PADDING-TOP: 0in" vAlign=bottom width="1%">
<P style="MARGIN: 0in 0in 0pt"><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 7.5pt" face="Times New Roman,serif"></FONT>&nbsp;</P>
</TD>
     <TD style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; PADDING-RIGHT: 0in; PADDING-TOP: 0in" vAlign=bottom width="2%">
<P style="MARGIN: 0in 0in 0pt"><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 10pt" face="Times New Roman,serif">Title:</FONT></P>
</TD>
     <TD style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; PADDING-RIGHT: 0in; PADDING-TOP: 0in" vAlign=bottom width="1%">
<P style="MARGIN: 0in 0in 0pt"><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 7.5pt" face="Times New Roman,serif"></FONT>&nbsp;</P>
</TD>
     <TD style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; PADDING-RIGHT: 0in; PADDING-TOP: 0in" vAlign=bottom width="48%">
<P style="MARGIN: 0in 0in 0pt"><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 10pt" face="Times New Roman,serif"><FONT style="FONT-SIZE: 10pt" face="Times New Roman">Attorney in Fact</FONT></FONT></P>
</TD></TR></TABLE></DIV>
<P style="MARGIN: 0in 0in 0pt"><FONT style="TEXT-AUTOSPACE: ideograph-numeric; FONT-SIZE: 10pt" lang=EN-US face="Times New Roman,serif"></FONT>&nbsp;</P>
</DIV>
<a name="_bclFooter6"></a><DIV>
<P style="TEXT-ALIGN: center; MARGIN: 0in 0in 0pt" align=center><FONT style="FONT-SIZE: 9pt" lang=EN-US face="Times New Roman,serif"></FONT>&nbsp;</P>
</DIV></DIV>
<HR align=center SIZE=2 width="100%" noShade>
<DIV style="PAGE-BREAK-BEFORE: always">&nbsp;</DIV>

</BODY>

</HTML>

</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
