Report of Foreign Issuer (6-k)

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

Report of Foreign Issuer

Pursuant to Rule 13a-16 or 15d-16

of the Securities Exchange Act of 1934

For the month of November, 2017

Commission File Number: 001-12102

YPF Sociedad Anónima

(Exact name of registrant as specified in its charter)

Macacha Güemes 515

C1106BKK 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 ☒ 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 ☒

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 ☒

YPF Sociedad Anónima

TABLE OF CONTENTS

ITEM

1 Translation of letter to the Buenos Aires Stock Exchange dated November 8, 2017.

LOGO

Autonomous City of Buenos Aires, November 8, 2017

Bolsa de Comercio de Buenos Aires

(Buenos Aires Stock Exchange)

Sarmiento 299

Ref. :

Consolidated Results for Q3 2017

Errata

Dear Sirs,

In connection with the published Consolidated Results for Q3, we inform you that we have detected an error in the columns titled “2017 Jan-Sep” and “Var 2017/2016” of table 5.5 on page 21.

Please find attached a revised version of such table with the correct information.

Yours faithfully,

Diego Celaá

Market Relations Officer

YPF S.A.

LOGO

5.5 MAIN FINANCIAL MAGNITUDES IN U.S. DOLLARS

(Unaudited figures)


Million USD	2016 Q3			2017 Q2			2017 Q3			Var Q3 17 / Q3 16			2016 Jan-Sep			2017 Jan-Sep			Var 2017 / 2016
INCOME STATEMENT
Revenues		3,748			3,837			3,831			2.2	%		10,720			11,315			5.6	%
Costs of sales		(3,224	)		(3,168	)		(3,255	)		1.0	%		(9,023	)		(9,354	)		3.7	%

Gross profit		525			669			576			*9.7*	%		1,697			1,962			*15.6*	%
Other operating expenses, net		(2,846	)		(448	)		(399	)		N/A			(3,531	)		108			N/A

Operating income		(2,321	)		221			177			*N/A*			(1,834	)		687			*N/A*
Depreciation and impairment of property, plant & equipment and intangible assets		3,278			764			796			-75.7	%		4,799			2,312			-51.8	%
Amortization of intangible assets		13			13			13			2.1	%		35			37			6.1	%
Unproductive exploratory drillings		11			34			3			-71.2	%		57			61			7.6	%

Adj. EBITDA		981			1,032			989			*0.9*	%		3,057			3,097			*1.3*	%
UPSTREAM
Revenues		1,886			1,697			1,737			-7.9	%		5,880			5,211			-11.4	%
Operating income		(2,358	)		(56	)		21			N/A			(1,930	)		22			N/A
Depreciation		736			643			666			-9.5	%		2,052			1,945			-5.2	%
Capital expenditures		783			632			725			-7.4	%		2,436			1,961			-19.5	%
Adj. EBITDA		817			621			690			N/A			179			2,028			N/A
DOWNSTREAM
Revenues		2,886			2,909			2,875			-0.3	%		8,299			8,611			3.8	%
Operating income		22			197			186			734.3	%		181			662			265.3	%
Depreciation		88			103			107			20.6	%		262			310			18.6	%
Capital expenditures		167			123			141			-15.4	%		449			346			-22.8	%
Adj. EBITDA		111			301			292			164.3	%		443			973			119.6	%
GAS & ENERGY
Revenues		561			1,004			940			67.6	%		1,415			2,824			99.6	%
Operating income		53			65			86			62.9	%		80			187			132.3	%
Depreciation		5			4			4			-19.6	%		15			12			-18.2	%
Capital expenditures		28			63			39			37.9	%		86			162			88.0	%
Adj. EBITDA		58			70			90			56.0	%		95			199			108.8	%
CORPORATE AND OTHER
Operating income		(47	)		-15			-74			58.1	%		(54	)		(172	)		219.9	%
Capital expenditures		29			13			17			-39.1	%		80			48			-40.4	%
CONSOLIDATION ADJUSTMENTS
Operating income		9			49			(42	)		N/A			(11	)		(12	)		10.2	%
*Average exchange rate of period*		*14.90*			*15.68*			*17.23*						*14.51*			*16.18*
*Exchange rate end of period*		*15.26*			*16.58*			*17.26*						*15.26*			*17.26*

NOTE: The calculation of the main financial figures in U.S. dollars is derived from the calculation of the financial results expressed in Argentine pesos using the average exchange rate for each period. Accumulated periods correspond to the sum of the quarterly results.

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.