-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 MKgkwPa932ULaKj3XOoS/9bbaoRU/rtU4r6DNogOdknDB/FdN5citwfKuPr0Us6s
 Y8y8OFOQrU4E2adVkiCNzw==

<SEC-DOCUMENT>0000950103-08-002609.txt : 20081022
<SEC-HEADER>0000950103-08-002609.hdr.sgml : 20081022
<ACCEPTANCE-DATETIME>20081022095431
ACCESSION NUMBER:		0000950103-08-002609
CONFORMED SUBMISSION TYPE:	6-K
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20081017
FILED AS OF DATE:		20081022
DATE AS OF CHANGE:		20081022

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:		081134568

	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>dp11644_6k.htm
<TEXT>
<html>
  <head>
    <title> </title>
    </head>
    <body bgcolor="#ffffff" style="DISPLAY: inline; FONT-SIZE: 9pt; MARGIN-LEFT: 5%; TEXT-INDENT: 0pt; MARGIN-RIGHT: 5%; FONT-FAMILY: Times New Roman">
    <div style="DISPLAY: block; TEXT-INDENT: 0pt">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt">
      <div>
        <hr style="MARGIN-TOP: -5px; COLOR: #000000" noshade size="4">
        <hr style="MARGIN-TOP: -10px; COLOR: #000000" noshade size="1">
      </div>
      <div style="DISPLAY: block; TEXT-INDENT: 0pt">&#160;</div>
    </div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 16pt; FONT-FAMILY: Times New Roman, serif">FORM
6-K</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 14pt; FONT-FAMILY: Times New Roman, serif">SECURITIES
AND EXCHANGE COMMISSION</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 14pt; FONT-FAMILY: Times New Roman, serif">Washington,
D.C. 20549</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 14pt; FONT-FAMILY: Times New Roman, serif">Report
of Foreign Issuer</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 14pt; FONT-FAMILY: Times New Roman, serif">Pursuant
to Rule 13a-16 or 15d-16 of</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 14pt; FONT-FAMILY: Times New Roman, serif">the
Securities Exchange Act of 1934</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman, serif">For
the month of October, 2008</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman, serif">Commission
File Number: 001-12102</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 20pt; FONT-FAMILY: Times New Roman, serif">YPF
Sociedad An&#243;nima</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 9pt; FONT-FAMILY: Times New Roman">(Exact
name of registrant as specified in its charter)</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman, serif">Av.
Pte. R.S. Pe&#241;a 777 &#8211; 8th Floor</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman, serif">1354
Buenos Aires, Argentina</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 9pt; FONT-FAMILY: Times New Roman">(Address
of principal executive office)</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 9pt; FONT-FAMILY: Times New Roman">Indicate
by check mark whether the registrant files or will file</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 9pt; FONT-FAMILY: Times New Roman">annual
reports under cover of Form 20-F or Form 40-F:</font></div>
    <div align="center">
      <table cellpadding="0" cellspacing="0" width="50%">
          <tr>
            <td valign="top" width="25%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 9pt; FONT-FAMILY: times new roman">Form
      20-F</font></div>
            </td>
            <td valign="top" width="25%" style="BORDER-BOTTOM: #000000 2px solid">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 9pt; FONT-FAMILY: times new roman">X</font></div>
              </div>
            </td>
            <td valign="top" width="25%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 9pt; FONT-FAMILY: times new roman">Form
      40-F</font></div>
            </td>
            <td valign="top" width="25%" style="BORDER-BOTTOM: #000000 2px solid"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
          </tr>
      </table>
    </div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 9pt; FONT-FAMILY: Times New Roman">Indicate
by check mark if the registrant is submitting the Form 6-K</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 9pt; FONT-FAMILY: Times New Roman">in paper
as permitted by Regulation S-T Rule 101(b)(1):</font></div>
    <div align="center">
      <table cellpadding="0" cellspacing="0" width="50%">
          <tr>
            <td valign="top" width="25%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 9pt; FONT-FAMILY: times new roman">Yes</font></div>
            </td>
            <td valign="top" width="25%" style="BORDER-BOTTOM: #000000 2px solid"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
            <td valign="top" width="25%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 9pt; FONT-FAMILY: times new roman">No</font></div>
            </td>
            <td valign="top" width="25%" style="BORDER-BOTTOM: #000000 2px solid">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 9pt; FONT-FAMILY: times new roman">X</font></div>
              </div>
            </td>
          </tr>
      </table>
    </div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 9pt; FONT-FAMILY: Times New Roman">Indicate
by check mark if the registrant is submitting the Form 6-K</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 9pt; FONT-FAMILY: Times New Roman">in paper
as permitted by Regulation S-T Rule 101(b)(7):</font></div>
    <div align="center">
      <table cellpadding="0" cellspacing="0" width="50%">
          <tr>
            <td valign="top" width="25%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 9pt; FONT-FAMILY: times new roman">Yes</font></div>
            </td>
            <td valign="top" width="25%" style="BORDER-BOTTOM: #000000 2px solid"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
            <td valign="top" width="25%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 9pt; FONT-FAMILY: times new roman">No</font></div>
            </td>
            <td valign="top" width="25%" style="BORDER-BOTTOM: #000000 2px solid">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 9pt; FONT-FAMILY: times new roman">X</font></div>
              </div>
            </td>
          </tr>
      </table>
    </div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: -12pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 9pt; FONT-FAMILY: Times New Roman">Indicate
by check mark whether by furnishing the information</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: -12pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 9pt; FONT-FAMILY: Times New Roman">contained
in this Form, the Registrant is also thereby furnishing the information to the
Commission</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: -12pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 9pt; FONT-FAMILY: Times New Roman">pursuant
to Rule 12g3-2(b) under the Securities Exchange Act of 1934:</font></div>
    <div align="center">
      <table cellpadding="0" cellspacing="0" width="50%">
          <tr>
            <td valign="top" width="25%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 9pt; FONT-FAMILY: times new roman">Yes</font></div>
            </td>
            <td valign="top" width="25%" style="BORDER-BOTTOM: #000000 2px solid"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
            <td valign="top" width="25%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 9pt; FONT-FAMILY: times new roman">No</font></div>
            </td>
            <td valign="top" width="25%" style="BORDER-BOTTOM: #000000 2px solid">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 9pt; FONT-FAMILY: times new roman">X</font></div>
              </div>
            </td>
          </tr>
      </table>
    </div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 9pt; FONT-FAMILY: Times New Roman">If &#8220;Yes&#8221;
is marked, indicate below the file number assigned to the
registrant</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 9pt; FONT-FAMILY: Times New Roman">in
connection with Rule 12g3-2(b): <font style="DISPLAY: inline; TEXT-DECORATION: underline">N/A</font></font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div>
      <hr style="MARGIN-TOP: -5px; COLOR: #000000" noshade size="1">
      <hr style="MARGIN-TOP: -13px; COLOR: #000000" noshade size="4">
    </div>
    <div id="PGBRK" style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt">
      <div id="FTR">
        <div id="GLFTR" style="WIDTH: 100%" align="left">
        </div>
      </div>
      <div id="PN" style="PAGE-BREAK-AFTER: always">
        <div style="WIDTH: 100%; TEXT-ALIGN: center">
        </div>
        <div style="WIDTH: 100%; TEXT-ALIGN: center">
        </div>
      </div>
      <div id="HDR">
        <div id="GLHDR" style="WIDTH: 100%" align="right">
        </div>
      </div>
    </div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt">
      <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    </div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 9pt; FONT-FAMILY: Times New Roman">This Form
6-K is incorporated by reference into the registration statement on Form F-3/A
of YPF Sociedad An&#243;nima filed with the Securities and Exchange Commission on
March 10, 2008 (File No. 333-149313).</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt">&#160;</div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt">&#160;</div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt">&#160;</div>
    <div id="PGBRK" style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt">
      <div id="FTR">
        <div id="GLFTR" style="WIDTH: 100%" align="left">
        </div>
      </div>
      <div id="PN" style="PAGE-BREAK-AFTER: always">
        <div style="WIDTH: 100%; TEXT-ALIGN: center">
        </div>
        <div style="WIDTH: 100%; TEXT-ALIGN: center">
          <hr style="COLOR: black" noshade size="2">
        </div>
      </div>
      <div id="HDR">
        <div id="GLHDR" style="WIDTH: 100%" align="right">
        </div>
      </div>
    </div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 14pt; FONT-FAMILY: Times New Roman, serif">YPF
Sociedad An&#243;nima</font></div>
      <div style="DISPLAY: block; TEXT-INDENT: 0pt">&#160;</div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 9pt; FONT-FAMILY: Times New Roman">TABLE OF
CONTENTS</font></div>
      <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
      <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
      <div align="left">
        <table cellpadding="0" cellspacing="0" width="100%">
            <tr>
              <td valign="bottom" width="10%" style="BORDER-BOTTOM: #000000 2px solid">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 9pt; FONT-FAMILY: times new roman">Item</font></div>
                </div>
              </td>
              <td valign="bottom" width="90%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
            </tr>
            <tr>
              <td valign="middle" width="10%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
              <td valign="middle" width="90%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
            </tr>
            <tr>
              <td valign="top" width="10%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 9pt; FONT-FAMILY: times new roman">1</font></div>
              </td>
              <td valign="top" width="90%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 9pt; FONT-FAMILY: times new roman">Letter
      to the National Securities Commission dated October 17, 2008 regarding the
      extension of certain exploitation concessions in the Province of Neuqu&#233;n
      pursuant to a Memorandum of Agreement between YPF, S.A. and the Province
      of Neuqu&#233;n.</font></div>
              </td>
            </tr>
        </table>
      </div>
      <div style="DISPLAY: block; TEXT-INDENT: 0pt">&#160;</div>
      <div id="PGBRK" style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt">
        <div id="FTR">
          <div id="GLFTR" style="WIDTH: 100%" align="left">
          </div>
        </div>
        <div id="PN" style="PAGE-BREAK-AFTER: always">
          <div style="WIDTH: 100%; TEXT-ALIGN: center">
          </div>
          <div style="WIDTH: 100%; TEXT-ALIGN: center">
            <hr style="COLOR: black" noshade size="2">
          </div>
        </div>
        <div id="HDR">
          <div id="GLHDR" style="WIDTH: 100%" align="right">
          </div>
        </div>
      </div>
      <div style="DISPLAY: block; TEXT-INDENT: 0pt">&#160;</div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt">
        <div style="DISPLAY: block; TEXT-INDENT: 0pt; TEXT-ALIGN: right"><font style="FONT-WEIGHT: bold; FONT-SIZE: 9pt; FONT-FAMILY: Times New Roman">Item
1</font></div>
        <div style="DISPLAY: block; TEXT-INDENT: 0pt; TEXT-ALIGN: right">&#160;</div>
        <div style="DISPLAY: block; TEXT-INDENT: 0pt; TEXT-ALIGN: right">&#160;</div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="right"><font style="DISPLAY: inline; FONT-SIZE: 9pt; FONT-FAMILY: Times New Roman">Buenos
Aires, October 17, 2008</font></div>
        <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
        <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br>&#160;</div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 9pt; FONT-FAMILY: Times New Roman">To the
</font></div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 9pt; FONT-FAMILY: Times New Roman"><font style="DISPLAY: inline; FONT-WEIGHT: bold">National Securities
Commission</font></font></div>
        <div style="DISPLAY: block; TEXT-INDENT: 0pt">&#160;</div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="right"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 9pt; FONT-FAMILY: Times New Roman">Re:
Extension of Exploitation</font></div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="right"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 9pt; FONT-FAMILY: Times New Roman">Concessions
in the Province of Neuqu&#233;n</font></div>
        <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
        <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
        <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 9pt; FONT-FAMILY: Times New Roman">In
compliance with the requirements of the Regulations of the National Securities
Commission <font style="DISPLAY: inline; FONT-STYLE: italic">(Comisi&#243;n Nacional
de Valores)</font>, section No. 2 of Chapter XXI, we inform you that pursuant to
the notice provided to firms holding exploitation concessions by the Province of
Neuqu&#233;n, through provincial decree No. 822/08, YPF S.A. (hereinafter &#8220;YPF&#8221;)
entered into a Memorandum of Agreement provided under such Regulation and an
Addendum to such agreement (hereinafter, the &#8220;Memorandum of Agreement&#8221;) to
extend the term of the exploitation concessions identified below, which was to
become effective upon its approval by the Legislature of the Province of
Neuqu&#233;n.</font></div>
        <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 9pt; FONT-FAMILY: Times New Roman">In this
respect, we inform you that on this date Provincial Act No. 2615 approved the
Memorandum of Agreement, which was enacted by provincial executive decree No.
1830/08, and was published in Official Gazette No. 3109 of the Province of
Neuqu&#233;n.</font></div>
        <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 9pt; FONT-FAMILY: Times New Roman">The
Memorandum of Agreement between YPF and the Province of Neuqu&#233;n establishes the
following provisions, among others:</font></div>
        <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
        <div>
          <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left">
            <table border="0" cellpadding="0" cellspacing="0" id="hangingindent" width="100%">
                <tr valign="top">
                  <td style="WIDTH: 27pt">
                  </td>
                  <td align="right" style="WIDTH: 27pt">
                    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 9pt; FONT-FAMILY: Times New Roman">&#8226;</font></div>
                  </td>
                  <td align="left">
                    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 9pt; FONT-FAMILY: Times New Roman">Concessions
      involved: Cerro Bandera, Se&#241;al Cerro Bayo, Chihuido de la Sierra Negra, El
      Port&#243;n, Filo Morado, Oct&#243;gono, Se&#241;al Picada &#8211; Punta Barda and Puesto
      Hern&#225;ndez, which as of December 31, 2007 jointly represented about 11.6%
      of YPF&#8217;s total proved
reserves.</font></div>
                  </td>
                </tr>
            </table>
          </div>
        </div>
        <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
        <div>
          <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left">
            <table border="0" cellpadding="0" cellspacing="0" id="hangingindent" width="100%">
                <tr valign="top">
                  <td style="WIDTH: 27pt">
                  </td>
                  <td align="right" style="WIDTH: 27pt">
                    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 9pt; FONT-FAMILY: Times New Roman">&#8226;</font></div>
                  </td>
                  <td align="left">
                    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 9pt; FONT-FAMILY: Times New Roman">Extension
      of concession terms: exploitation concession terms, which were originally
      set to expire on November 14, 2017, are extended for a 10-year term, which
      means that they will expire on November 14,
  2027.</font></div>
                  </td>
                </tr>
            </table>
          </div>
        </div>
        <div style="DISPLAY: block; TEXT-INDENT: 0pt">&#160;</div>
        <div id="PGBRK" style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt">
          <div id="FTR">
            <div id="GLFTR" style="WIDTH: 100%" align="left">
            </div>
          </div>
          <div id="PN" style="PAGE-BREAK-AFTER: always">
            <div style="WIDTH: 100%; TEXT-ALIGN: center">
            </div>
            <div style="WIDTH: 100%; TEXT-ALIGN: center">
              <hr style="COLOR: black" noshade size="2">
            </div>
          </div>
          <div id="HDR">
            <div id="GLHDR" style="WIDTH: 100%" align="right">
            </div>
          </div>
        </div>
        <div style="DISPLAY: block; TEXT-INDENT: 0pt">&#160;</div>
        <div>
          <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left">
            <table border="0" cellpadding="0" cellspacing="0" id="hangingindent" width="100%">
                <tr valign="top">
                  <td style="WIDTH: 27pt">
                  </td>
                  <td align="right" style="WIDTH: 27pt">
                    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 9pt; FONT-FAMILY: Times New Roman">&#8226;</font></div>
                  </td>
                  <td align="left">
                    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 9pt; FONT-FAMILY: Times New Roman">Under
      Provincial Decree No. 822/08, YPF undertook the following commitments upon
      the execution of the Memorandum of Agreement: i) to make, on the date
      specified in the Memorandum of Agreement, an Initial Payment for the
      amount committed thereunder, to be applied to different accounts;
      ii)&#160;&#160;to pay the Province &#8220;An Extraordinary Production Royalty&#8221;.
      In addition, the parties agreed to make additional adjustments in the
      event of extraordinary income due to lower export duties or if YPF
      actually received a higher price for the sale of crude oil and/or natural
      gas according to a mechanism and reference values established in the
      Memorandum of Agreement; iii) to carry out exploration activities in the
      remaining exploration areas and make certain investments and expenditures,
      as stipulated in the Memorandum of Agreement, on the exploitation
      concessions that constitute the subject-matter of the mentioned Memorandum
      of Agreement; and iv) to make &#8220;Corporate Social Responsibility&#8221;
      contributions to the province of Neuqu&#233;n, which will be made effective in
      the years 2008, 2009 and 2010. The purpose of such contributions will be
      to contribute to the development of the Province of Neuqu&#233;n in terms of
      education, environment, health, culture, science and research and
      community development.</font></div>
                  </td>
                </tr>
            </table>
          </div>
        </div>
        <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
        <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 9pt; FONT-FAMILY: Times New Roman">Yours
sincerely,</font></div>
        <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
        <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 9pt; FONT-FAMILY: Times New Roman">By YPF
S.A.</font></div>
        <div style="DISPLAY: block; TEXT-INDENT: 0pt">&#160;</div>
        <div style="DISPLAY: block; TEXT-INDENT: 0pt">&#160;</div>
        <div align="left">
          <table cellpadding="0" cellspacing="0" width="100%">
              <tr>
                <td align="left" valign="top" width="50%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 72pt; TEXT-INDENT: -36pt; MARGIN-RIGHT: 0pt" align="left">&#160;</div>
                </td>
                <td align="left" valign="top" width="50%" style="PADDING-LEFT: 0pt">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 9pt; FONT-FAMILY: times new roman">IGNACIO
      C. MORAN</font></div>
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 9pt; FONT-FAMILY: times new roman">Market
      relations officer </font></div>
                </td>
              </tr>
          </table>
        </div>
        <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
        <div style="DISPLAY: block; TEXT-INDENT: 0pt">&#160;</div>
        <div id="PGBRK" style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt">
          <div id="FTR">
            <div id="GLFTR" style="WIDTH: 100%" align="left">
            </div>
          </div>
          <div id="PN" style="PAGE-BREAK-AFTER: always">
            <div style="WIDTH: 100%; TEXT-ALIGN: center">
            </div>
            <div style="WIDTH: 100%; TEXT-ALIGN: center">
              <hr style="COLOR: black" noshade size="2">
            </div>
          </div>
          <div id="HDR">
            <div id="GLHDR" style="WIDTH: 100%" align="right">
            </div>
          </div>
        </div>
      </div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center">&#160;</div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 9pt; FONT-FAMILY: Times New Roman">SIGNATURE</font></div>
      <div style="DISPLAY: block; TEXT-INDENT: 0pt">&#160;</div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 18pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 9pt; FONT-FAMILY: Times New Roman">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></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
      <div align="left">
        <table cellpadding="0" cellspacing="0" width="100%">
            <tr>
              <td colspan="2" valign="top" width="30%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
              <td valign="top" width="20%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
              <td align="left" colspan="3" valign="top" width="44%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 12pt; FONT-FAMILY: times new roman">YPF
      Sociedad An&#243;nima</font></div>
              </td>
              <td align="left" valign="top" width="6%"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 12pt; FONT-FAMILY: times new roman">&#160;</font></td>
            </tr>
            <tr>
              <td colspan="2" valign="top" width="30%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;</font></td>
              <td valign="top" width="20%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;</font></td>
              <td align="left" colspan="3" valign="top" width="44%"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 12pt; FONT-FAMILY: times new roman">&#160;</font></td>
              <td align="left" valign="top" width="6%"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 12pt; FONT-FAMILY: times new roman">&#160;</font></td>
            </tr>
            <tr>
              <td colspan="2" valign="top" width="30%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;</font></td>
              <td valign="top" width="20%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;</font></td>
              <td align="left" colspan="3" valign="top" width="44%"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 12pt; FONT-FAMILY: times new roman">&#160;</font></td>
              <td align="left" valign="top" width="6%"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 12pt; FONT-FAMILY: times new roman">&#160;</font></td>
            </tr>
            <tr>
              <td align="left" valign="top" width="8%" style="PADDING-BOTTOM: 2px">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 9pt; FONT-FAMILY: times new roman">Date:</font></div>
              </td>
              <td align="left" valign="top" width="22%" style="PADDING-BOTTOM: 2px">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 9pt; FONT-FAMILY: times new roman">October
      22, 2008</font></div>
              </td>
              <td valign="top" width="20%" style="PADDING-BOTTOM: 2px"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
              <td align="left" valign="top" width="7%" style="PADDING-BOTTOM: 2px">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 9pt; FONT-FAMILY: times new roman">By:</font></div>
              </td>
              <td align="left" colspan="2" valign="top" width="37%" style="BORDER-BOTTOM: #000000 2px solid">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 9pt; FONT-FAMILY: times new roman">/s/
      Ignacio C. Moran</font></div>
              </td>
              <td align="left" valign="top" width="6%" style="PADDING-BOTTOM: 2px"><font style="DISPLAY: inline; FONT-SIZE: 9pt; FONT-FAMILY: times new roman">&#160;</font></td>
            </tr>
            <tr>
              <td valign="top" width="8%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
              <td valign="top" width="22%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
              <td valign="top" width="20%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
              <td valign="top" width="7%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
              <td align="left" valign="top" width="8%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 9pt; FONT-FAMILY: times new roman">Name:</font></div>
              </td>
              <td align="left" valign="top" width="29%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 9pt; FONT-FAMILY: times new roman">Ignacio
      C. Moran</font></div>
              </td>
              <td align="left" valign="top" width="6%"><font style="DISPLAY: inline; FONT-SIZE: 9pt; FONT-FAMILY: times new roman">&#160;</font></td>
            </tr>
            <tr>
              <td valign="top" width="8%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
              <td valign="top" width="22%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
              <td valign="top" width="20%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
              <td valign="top" width="7%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
              <td align="left" valign="top" width="8%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 9pt; FONT-FAMILY: times new roman">Title:</font></div>
              </td>
              <td align="left" valign="top" width="29%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 9pt; FONT-FAMILY: times new roman">Chief
      Financial Officer</font></div>
              </td>
              <td align="left" valign="top" width="6%"><font style="DISPLAY: inline; FONT-SIZE: 9pt; FONT-FAMILY: times new roman">&#160;</font></td>
            </tr>
        </table>
      </div>
      <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
      <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br>
        <div>
          <hr style="COLOR: #000000" align="left" noshade size="2" width="100%">
        </div>
      </div>
    </div>
  </body>
</html>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----
