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.

YPF Sociedad Anónima


By:	/s/ Walter Cristian Forwood
	Name:	Walter Cristian Forwood
	Title:	Chief Financial Officer