UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 20-F/A
(Amendment No. 1)
 
ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d)
OF THE SECURITIES EXCHANGE ACT OF 1934
For the fiscal year ended December 31, 2007
Commission file number: 1-12102
 
YPF Sociedad Anónima
(Exact name of registrant as specified in its charter)
 
Republic of Argentina
(Jurisdiction of incorporation or organization)
 
Avenida Pte. R. Sáenz Peña 777
C1035AAC Ciudad Autónoma de Buenos Aires, Argentina
(54-11) 4329-2000
(Address of principal executive offices)
 
 
Securities registered or to be registered pursuant to Section 12(b) of the Act:
 
 
Title of Each Class
  
Name of Each Exchange
on Which Registered
American Depositary Shares, each representing one Class D Share, par value 10 pesos per share
  
New York Stock Exchange
Class D Shares
  
New York Stock Exchange*
___________
*
Listed not for trading but only in connection with the registration of American Depositary Shares.
 
Securities registered or to be registered pursuant to Section 12(g) of the Act: None
Securities for which there is a reporting obligation pursuant to Section 15(d) of the Act: None
 
 
The number of outstanding shares of each class of stock of YPF Sociedad Anónima as of December 31, 2007 was:
 
Class A Shares
3,764
Class B Shares
7,624
Class C Shares
105,736
Class D Shares
393,195,669
 
393,312,793

Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act.
Yes     No S
 
 
If this report is an annual or transition report, indicate by check mark if the registrant is not required to file reports pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934.
Yes     No S
   
Note – Checking the box above will not relieve any registrant required to file reports pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 from their obligations under those Sections.
 
Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.
Yes S No
   
Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, or a non-accelerated filer. See definition of “accelerated filer and large accelerated filer” in Rule 12b-2 of the Exchange Act. (Check one):
 
Large accelerated filer x    Accelerated filer  o     Non-accelerated filer  o
 
Indicate by check mark which financial statement item the registrant has elected to follow.
Item 17     Item 18 S
   
If this is an annual report, indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act)
Yes     No S
 
 
 

EXPLANATORY NOTE

This Amendment No. 1 on Form 20-F/A (the “Amendment”) to our annual report on Form 20-F for the year ended December 31, 2007, as filed with the Securities and Exchange Commission (the “Commission”) on April 15, 2008 (the “2007 Form 20-F”), is being filed solely for the purpose of furnishing Exhibits 12.1, 12.2, 13.1 and 13.2 to our annual report, which were inadvertently omitted from the 2007 Form 20-F as initially filed.
 
Therefore, this Amendment consists of a cover page, this explanatory note, a signature page, and Exhibits 12.1, 12.2, 13.1 and 13.2.
 
This Amendment speaks as of the date of the initial filing of the 2007 Form 20-F. Other than as described above, this Amendment does not, and does not purport to, amend, update or restate any other information or disclosure included in the 2007 Form 20-F and does not, and does not purport to, reflect any events that have occurred after the date of the initial filing of the 2007 Form 20-F. As a result, our annual report on Form 20-F for the year ended December 31, 2007, as amended by this Amendment, continues to speak as of the initial filing date of the 2007 Form 20-F.
 
 
SIGNATURES
 
The registrant hereby certifies that it meets all of the requirements for filing on Form 20-F and that it has duly caused and authorized the undersigned to sign this Amendment No. 1 to its annual report on its behalf.
 
 
YPF Sociedad Anónima
  
       
       
 
By:
/s/ Walter Cristian Forwood
  
   
Name:
Walter Cristian Forwood
  
   
Title:
Chief Financial Officer
  

Date:   April 16, 2008