FORM 6-K
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
 
Report of Foreign Issuer

Pursuant to Rule 13a-16 or 15d-16 of
the Securities Exchange Act of 1934

For the month of April, 2008

Commission File Number: 001-12102

 
YPF Sociedad Anónima
(Exact name of registrant as specified in its charter)

Av. Pte. R.S. Peña 777 – 8th Floor
1354 Buenos Aires, Argentina
(Address of principal executive office)

Indicate by check mark whether the registrant files or will file
annual reports under cover of Form 20-F or Form 40-F:
Form 20-F  X      Form 40-F
 
Indicate by check mark if the registrant is submitting the Form 6-K
in paper as permitted by Regulation S-T Rule 101(b)(1):
Yes ___      No X

Indicate by check mark if the registrant is submitting the Form 6-K
in paper as permitted by Regulation S-T Rule 101(b)(7):
Yes ___      No X

Indicate by check mark whether by furnishing the information
contained in this Form, the Registrant is also thereby furnishing the information to the Commission
pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934:
Yes ___      No X

If “Yes” is marked, indicate below the file number assigned to the registrant
in connection with Rule 12g3-2(b): N/A
 
 
YPF Sociedad Anónima
 
TABLE OF CONTENTS
 
Item
  
   
1
Letter dated April 16, 2008 regarding the recent filing of Annual Report Form 20-F for fiscal year 2007 with the United States Securities and Exchange Commission (“SEC”).
 
 
Item 1.
 
Buenos Aires, April 16, 2008



Filing of 2007 Annual Report on Form 20-F

 
In accordance with the requirement of the NYSE Listed Company Manual, YPF S.A. informs that it has filed its Annual Report Form 20-F for fiscal year 2007 with the United States Securities and Exchange Commission (“SEC”).

 
The document is also posted on: http://www.repsolypf.com/ar_es/todo_sobre_repsol_ypf/informacion_para_accionistas_e_inversores/inf_economicofinanciera/informes_financieros/informeanualformato20fypfsa/ , in the “Shareholders and Investors” section. Hard copies of the document, which includes the company’s complete audited financial statements, may be obtained free of charge by shareholders upon request.

For a copy of the annual report, requests should be directed to:

Investor Relations
Avenida Roque Saenz Peña 777
(C1035AAC)
Ciudad Autónoma de Buenos Aires
ARGENTINA
Phone: (5411) 4329-5531
inversores@repsolypf.com
 

 
SIGNATURE
 
 
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.
 
   
YPF Sociedad Anónima
     
Date: April 17, 2008
  
By:
  
/s/ Walter Cristian Forwood                                         
   
Name:
  
Walter Cristian Forwood
   
Title:
  
Chief Financial Officer