YPF repurchases Class XXVII Notes, $4.37M face value

The repurchased Class XXVII Notes will be held in portfolio and mature in October 2026.

Rhea-AI Filing Summary

YPF Sociedad Anónima repurchased Class XXVII Notes between September 28 and October 2, 2026, for Ps. 6,660,251,170.56, equivalent to a par value of US$ 4,374,760. The notes will be held in portfolio; the average repurchase price was 99.91% of nominal value. Issued in October 2023 for a nominal value of US$ 127,904,997, the notes mature in October 2026.

Key Figures

Repurchase amount: Ps. 6,660,251,170.56 Par value repurchased: US$ 4,374,760 Average repurchase price: 99.91% of nominal value +1 more

4 metrics

Repurchase amount Ps. 6,660,251,170.56 Class XXVII Notes repurchased from September 28 to October 2, 2026

Par value repurchased US$ 4,374,760 Class XXVII Notes repurchased from September 28 to October 2, 2026

Average repurchase price 99.91% of nominal value Class XXVII Notes

Original nominal value US$ 127,904,997 Class XXVII Notes issued in October 2023

Key Terms

Class XXVII Notes, par value, nominal value, Frequent Issuer framework

4 terms

Class XXVII Notes financial

"repurchased Class XXVII Notes (YMCTO)"

par value financial

"equivalent to a par value of US$ 4,374,760"

Par value is the fixed amount printed on a bond or stock that represents its original value when issued. It’s like the face value of a coin or bill—what the issuer promises to pay back or the starting price of a stock—though it often doesn’t change with market prices. It matters because it helps determine certain financial details, like how much the company will pay back at maturity.

nominal value financial

"99.91% of their nominal value"

Nominal value is the stated or face amount assigned to a financial instrument — for shares it’s the par value printed on the stock certificate, and for money or returns it can mean the number not adjusted for inflation. Think of it like a price tag on an item versus its buying power: the tag tells you the label, but not how much you can actually buy. Investors care because nominal values affect accounting, legal capital, dividend calculations and comparisons over time when inflation may distort real worth.

Frequent Issuer framework financial

"under the Company’s Frequent Issuer framework"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How much did YPF repurchase in Class XXVII Notes?

YPF repurchased Class XXVII Notes for Ps. 6,660,251,170.56, equivalent to a par value of US$ 4,374,760, between September 28 and October 2, 2026. The notes will be held in portfolio.

What price did YPF pay for the repurchased notes?

The average repurchase price was 99.91% of nominal value. The notes were repurchased between September 28 and October 2, 2026, and will be held in portfolio.

AI-generated analysis. How Rhea-AI works. Not financial advice.

Form 6-K: How Foreign Companies Report to the SEC →

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Available on EDGAR 10/05/2026 - 08:43 AM Accepted by SEC EDGAR 10/05/2026 - 08:43 AM Learn about SEC filing dates

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 October 2026

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 October 5, 2026.

Buenos Aires, October 5, 2026

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 CNV Rules and the corresponding regulations of ByMA and A3 Mercados

We hereby inform that between September 28 and October 2, 2026, YPF S.A. (the “Company”) repurchased Class XXVII Notes (YMCTO) for a total amount of Ps. 6,660,251,170.56 (six billion six hundred sixty million two hundred fifty-one thousand one hundred seventy pesos and 56/100), equivalent to a par value of US$ 4,374,760, which will be held in portfolio.

The Class XXVII Notes were issued by the Company in October 2023 for a nominal value of US$ 127,904,997 under the Company’s Frequent Issuer framework, with maturity in October 2026.

The repurchase was made at an average price equivalent to 99.91% 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: October 5, 2026		By:		/s/ Margarita Chun
		Name:		Margarita Chun
		Title:		Market Relations Officer