YPF plans early redemption of 7% notes on Nov. 11, 2026

Payment is scheduled for November 11, 2026, to persons registered as holders of the notes on November 10.

Rhea-AI Filing Summary

YPF Sociedad Anónima announced an early redemption of its Class XXXVII Notes, originally issued for a total nominal value of US$139,501,701 at a 7% annual nominal interest rate and with an original maturity of May 7, 2027. On October 27, 2026, YPF will issue additional Class XLIII Notes and receive Class XXXVII Notes with a nominal value of US$4,436,070 as payment in kind, leaving US$135,065,631 of Class XXXVII Notes outstanding after that date.

The proposed redemption is scheduled for November 11, 2026, and will cover all principal outstanding on that date at par plus accrued interest through November 11, exclusive. Interest payable is US$0.0184109589 for each US$1 of nominal value. Payment will be in U.S. dollars, and interest will cease to accrue on redeemed notes on and after the redemption date.

Filing Explained

For the announced November 11, 2026 redemption, YPF will pay through Caja de Valores S.A. to people registered as holders of Class XXXVII Notes on November 10, 2026; this specifies which recorded holders receive the redemption proceeds.

Key Figures

Class XXXVII Notes original nominal value: US$139,501,701 Class XXXVII Notes delivered as payment in kind: US$4,436,070 nominal value Class XXXVII Notes outstanding: US$135,065,631 nominal value +4 more

7 metrics

Class XXXVII Notes original nominal value US$139,501,701 Notes issued May 7, 2025

Class XXXVII Notes delivered as payment in kind US$4,436,070 nominal value On October 27, 2026

Class XXXVII Notes outstanding US$135,065,631 nominal value After October 27, 2026

Annual nominal interest rate 7% Class XXXVII Notes

Redemption price US$1 for each US$1 of nominal value Class XXXVII Notes

Interest payable US$0.0184109589 for each US$1 of nominal value Class XXXVII Notes

Redemption and payment date November 11, 2026 Class XXXVII Notes

Key Terms

payment in kind, nominal value, accrued interest, Redemption Price, +1 more

5 terms

payment in kind financial

"receive payment in kind through the delivery of Class XXXVII Notes"

Payment in kind is when an obligation—such as interest, dividends, or repayment—is settled with something other than cash, like additional securities, goods, or services. Investors care because it changes a borrower’s immediate cash needs and can dilute existing shareholders or increase future claims on assets, similar to a friend repaying a loan with concert tickets instead of cash: you get something of value now but not the cash you could spend or reinvest.

nominal value financial

"total nominal value of U.S.$ 139,501,701"

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.

accrued interest financial

"par value plus accrued interest up to the Redemption Date"

Accrued interest is the amount of interest that has built up on a loan, bond, or similar investment since the last payment date but has not yet been paid. For investors this matters because when you buy or sell a fixed‑income security between payment dates you compensate the other party for that earned interest—think of it like buying a house mid‑month and reimbursing the seller for days of heating already used—so it affects the actual cash you pay, the yield you receive, and short‑term returns.

Redemption Price financial

"U.S.$ 1 for each U.S.$ 1 of the nominal value"

The redemption price is the amount of money a person receives when they sell or redeem a bond or investment before it matures. It’s important because it determines how much you get back and can affect your overall profit or loss on the investment. Think of it like the price you get when returning a gift card early—it's the value you receive at that time.

Frequent Issuer Regime regulatory

"under the Frequent Issuer Regime established in Section VI"

FAQ

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

When will YPF (YPF) pay Class XXXVII noteholders, and who qualifies?

Payment is scheduled for November 11, 2026, through Caja de Valores S.A. in U.S. dollars to persons registered in the notes as of November 10, 2026. On and after the redemption date, interest will cease to accrue on redeemed notes.

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

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Available on EDGAR 10/23/2026 - 09:07 AM EDT Accepted by SEC EDGAR 10/23/2026 - 09:06 AM EDT 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 23, 2026.

Buenos Aires, October 23, 2026

Sirs,

COMISIÓN NACIONAL DE VALORES

25 de Mayo 175

Ciudad Autónoma de Buenos Aires

A3 MERCADOS S.A.

Maipú 1210

Ciudad Autónoma de Buenos Aires

BOLSAS Y MERCADOS ARGENTINOS S.A.

Sarmiento 299

Ciudad Autónoma de Buenos Aires

Presente

Ref.: Material Event (Hecho Relevante) – Redemption of outstanding and circulating Class XXXVII Notes.

Dear all:

I am pleased to address you in my capacity as Head of Market Relations at YPF S.A. (the “Company” or the “Corporation,” indistinctly) (CUIT: 30-54668997-9) for the purposes of complying with the requirements of Article 2 of Chapter I, Title XII of the National Securities Commission regulations (Comisión Nacional de Valores, as per its acronym in Spanish) (“CNV”) (T.O. 2013, as amended and supplemented), and to inform you that, as of today's date, the Company has decided to announce the early redemption of the Class XXXVII Notes issued by the Company on May 7, 2025, for a total nominal value of U.S.$ 139,501,701 (one hundred thirty-nine million five hundred one thousand seven hundred one US dollars), at a fixed interest rate of 7% with original maturity on May 7, 2027 (the “Class XXXVII Notes”), under the Frequent Issuer Regime established in Section VI, Chapter V, Title II of the CNV regulations. On October 27, 2026, the Company will issue additional Class XLIII notes, in connection with which it will receive payment in kind through the delivery of Class XXXVII Notes with a total nominal value of U.S.$ 4,436,070 of such class, resulting, after October 27, 2026, in a total outstanding nominal value of Class XXXVII Notes of U.S.$ 135,065,631.

The proposed redemption of Class XXXVII Notes will take place on November 11, 2026, for the entire amount of principal outstanding on that date and will be carried out in accordance with the terms and conditions detailed in the pricing supplement for Class XXXVII Notes dated April 29, 2025, published on the same date on the CNV website under ID No. 3353596 (the “Class XXXVII Pricing Supplement”).

The publication of this notice constitutes sufficient notification to holders of Class XXXVII Notes. In turn, it is hereby reported that the redemption will be made at par value plus accrued interest up to the Redemption Date, that is, up to November 11, 2026 (exclusive). For further information, see the section “Rescate anticipado a opción de YPF S.A. de las Obligaciones Negociables Clase XXXVII” of the Class XXXVII Pricing Supplement.

The redemption of Class XXXVII Notes will have the following characteristics:

a) Paying Agent: Caja de Valores S.A. (362 25 de Mayo Street, Autonomous City of Buenos Aires).

b) Redemption Date and Payment Date: November 11, 2026 (the "Redemption Date").

c) Interest period: August 7, 2026 (inclusive), to November 11, 2026 (exclusive).

d) Redemption Price: U.S.$ 1 for each U.S.$ 1 of the nominal value of each outstanding and circulating Class XXXVII Note (the "Redemption Price").

e) Currency of Payment: US Dollars.

f) Annual nominal interest rate: 7% nominal per annum.

g) Amount of interest payable: U.S.$ 0.0184109589 for each U.S.$ 1 of the nominal value of each outstanding and circulating Class XXXVII Note.

Payment will be made through Caja de Valores S.A. to the persons in whose name the Class XXXVII Notes are registered as of November 10, 2026.

On the Redemption Date, the Redemption Price of Class XXXVII Notes will be due and available to the holders of Class XXXVII Notes. On and after the Redemption Date, interest will cease to accrue on the redeemed Class XXXVII Notes.

Identification of Class XXXVII Notes:

- Caja de Valores S.A. species code for Class XXXVII Notes: 58610;

- BYMA/A3 code for Class XXXVII Notes: YM37O; and

- ISIN code (Caja de Valores S.A.) for Class XXXVII Notes: AR0657794191.

Capitalized terms used but not defined herein shall have the meanings assigned to them in the Class XXXVII Pricing Supplement.

Without further ado, we send you our best regards.

Margarita Chun

Head of Market Relations

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 23, 2026		By:		/s/ Margarita Chun
		Name:		Margarita Chun
		Title:		Market Relations Officer