YPF (NYSE: YPF) buys back US$20.2M in Class XXI Notes at 99.46% of par

Rhea-AI Filing Summary

YPF Sociedad Anónima reported that it has repurchased part of its outstanding debt. Between December 2 and 3, 2025, the company bought back Class XXI Notes with a total amount of Ps. 29,308,529,179, equivalent to a par value of US$ 20,209,098, which will now be held in its portfolio. These Class XXI Notes were issued in January 2023 under YPF’s Frequent Issuer framework and mature in January 2026. The repurchase was carried out at an average price equal to 99.46% of the notes’ nominal value, indicating that the buyback was done close to par.

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13A-16 OR 15D-16

UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of December 2025

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 ☐

YPF Sociedad Anónima

TABLE OF CONTENT

ITEM 1 Translation of letter to the Argentine Securities Commission dated December 5, 2025.

Buenos Aires, December 5, 2025

COMISION NACIONAL DE VALORES

25 de Mayo 175

Buenos Aires

BOLSAS Y MERCADOS ARGENTINOS S.A. (“ByMA”)

Sarmiento 299

Buenos Aires

A3 MERCADOS S.A. (“A3 Mercados”)

Maipu 1210

Buenos Aires

Ref.: Relevant Information – Report on Repurchase of Notes.

Ladies and Gentlemen,

We are writing to you in order to comply with the rules of the CNV Rules and the corresponding regulations of ByMA and A3 Mercados

We hereby inform that between December 2, 2025 and December 3, 2025, YPF S.A. (the “Company”) has repurchased a total amount of Ps. 29,308,529,179 (twenty-nine billion three hundred and eight million five hundred and twenty-nine thousand one hundred and seventy-nine Argentine pesos) of its Class XXI Notes (YMCMO) equivalent to a par value of US$ 20,209,098, which will be held in portfolio. The Class XXI Notes, maturing in January 2026, were issued by the Company in January 2023, under the Company’s Frequent Issuer framework. The repurchase has been made at an average price equivalent to 99.46% of their nominal value.

Sincerely,

Margarita Chun

Markets Relations Officer

YPF S.A.

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: December 5, 2025				By:		/s/ Margarita Chun
				Name:		Margarita Chun
				Title:		Market Relations Officer

FAQ

What did YPF (YPF) announce in this Form 6-K filing?

YPF announced that it repurchased a portion of its Class XXI Notes, acquiring Ps. 29,308,529,179 in notes, equivalent to a par value of US$ 20,209,098, during December 2–3, 2025.

Which debt securities did YPF (YPF) repurchase and when do they mature?

YPF repurchased its Class XXI Notes (YMCMO), which were issued in January 2023 and have a scheduled maturity in January 2026.

At what price did YPF (YPF) buy back its Class XXI Notes?

YPF repurchased the Class XXI Notes at an average price equivalent to 99.46% of their nominal value, meaning the buyback was executed very close to par.

What will YPF (YPF) do with the repurchased Class XXI Notes?

The repurchased Class XXI Notes will be held in YPF’s portfolio, rather than being immediately resold into the market.

How large was YPF’s Class XXI Notes repurchase in U.S. dollar terms?

The repurchase corresponds to a par value of US$ 20,209,098 of YPF’s Class XXI Notes.

Under what program were YPF’s Class XXI Notes originally issued?

The Class XXI Notes were originally issued by YPF in January 2023 under the company’s Frequent Issuer framework.