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 May, 2006

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 to the Buenos Aires Stock Exchange and the National Securities Commission of Argentina dated May 4, 2006, regarding the Board of Directors.
2	Letter to the Buenos Aires Stock Exchange and the National Securities Commission of Argentina dated May 4, 2006, regarding the Audit Committee.

Item 1

Buenos Aires, May 4, 2006

Messrs.

Bolsa de Comercio de Buenos Aires [Buenos Aires Stock Exchange]

Comisión Nacional de Valores [National Securities Commission of Argentina]

Ref: Board of Directors

In compliance with the rules of the Buenos Aires Stock Exchange and the regulations of the National Securities Commission of Argentina, I inform you of the following information.

YPF S.A. announced that the Shareholders of YPF Sociedad Anonima approved, in its meeting held on April 28, 2005, that the Board of Directors will be integrated as follows:

Position	Name	Representing	Period	Status
President	Antonio Brufau Niubo	Class D	April 2007	Non Independent
Executive VP & General Manager	Enrique Locutura	Class D	April 2007	Non Independent
Director	Ernesto Natalio Dardis	Class A	April 2007	Independent
Director	Jorge Horacio Brito	Class D	April 2007	Independent
Director	Carlos Bruno	Class D	April 2007	Independent
Director	Carlos de la Vega	Class D	April 2007	Independent
Director	Eduardo Elsztain	Class D	April 2007	Independent
Director	Miguel Madanes	Class D	April 2007	Independent
Director	Federico Mañero	Class D	April 2007	Independent
Director	Javier Monzón	Class D	April 2007	Independent
Director	Carlos Olivieri	Class D	April 2007	Non Independent
Director	Luis Pagani	Class D	April 2007	Independent
Director	Alejandro Quiroga Lopez	Class D	April 2007	Non Independent
Director	José María Ranero Díaz	Class D	April 2007	Non Independent
Alternate Director	Alicia Schammah	Class D	April 2007	Non Independent
Alternate Director	Gonzalo Lopez Fanjul	Class D	April 2007	Non Independent
Alternate Director	Jesús Guinea	Class D	April 2007	Non Independent
Alternate Director	Alfredo Ponchistesta	Clase D	April 2007	Non Independent
Alternate Director	Alejandro Almarza	Class D	April 2007	Independent

The Alternate Director representing Class A shares, will be designated after the Special Class A Meeting be held and will be opportunately communicated by YPF.

Also, the Company’s Statutory Audit Committee will be integrated by the following members:

Member	Carlos Manuel Vidal	April 2007
Member	Mario Eduardo Vazquez	April 2007
Member	Juan Andrés Gelly y Obes	April 2007
Alternate Member	Francisco Orlando Pelaya	April 2007
Alternate Member	Santiago Carlos Lazzati	April 2007
Alternate Member	Alejandro Rivera	April 2007

Deloitte & Co. S.R.L. has been appointed as the Company’s external auditors.

Sincerely yours,

by YPF S.A.

Carlos A. Olivieri

Economic-Financial Director

Item 2

Buenos Aires, May 4, 2006

Messrs.

Buenos Aires Stock Market

National Securities Commission of Argentina

Ref: Audit Committee

YPF S.A. announced that the Board of Directors of YPF Sociedad Anónima approved in its meeting held on April 28, 2006, that the Audit Commttee will be integrated as follows:

Position	Name	status
President	Miguel Madanes	Independent
Members	Carlos de la Vega	Independent
	Federico Mañero	Independent
Alternate Members	Jorge Brito	Independent
	Eduardo Elsztain	Independent
	Carlos Bruno	Independent

As regards Section 407 of Sarbanes Oxley Act. and Rule n° 33-8177 of the Security Exchange Comission, we inform that Mr Miguel Madanes is the Audit Committee Financial Expert.

Sincerely yours,

by YPF S.A.

Carlos A. Olivieri

Economic-Financial Director

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: May 5, 2006	By:	/s/ Carlos Olivieri
	Name:	Carlos Olivieri
	Title:	Chief Financial Officer