YPF (YPF) completes Vaca Muerta Inversiones S.A.U. acquisition

Rhea-AI Filing Summary

YPF Sociedad Anónima reports that on September 29, 2025 it completed the acquisition of 100% of the share capital of Vaca Muerta Inversiones S.A.U. from Total Austral S.A., under the terms of a previously announced stock purchase agreement. The company also states that, as of the date of the notice, there are no outstanding credits or debts between YPF and Vaca Muerta Inversiones. Additional information on the acquired company is made available through the Argentine securities regulator’s website.

Insights

Energy sector M&A analyst

YPF closes Vaca Muerta Inversiones acquisition with clean intercompany balances.

YPF confirms completion of its acquisition of 100% of Vaca Muerta Inversiones S.A.U. from Total Austral S.A. The deal had been previously disclosed, and this update signals that all closing conditions have been satisfied and ownership has formally transferred. Full control can simplify decision-making around any assets or projects held within Vaca Muerta Inversiones.

The company also notes that there are no outstanding credits or debts between YPF and the acquired entity as of the notice date. This suggests the structure at closing leaves a clean balance sheet relationship between parent and subsidiary, which can reduce future intra-group settlement issues. Further details are referenced as available on the Argentine securities regulator’s site, where investors can review financial statements and corporate information for the controlled company.

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 September 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 September 29, 2025.

Buenos Aires, September 29th, 2025

Messrs.

Comisión Nacional de Valores (“CNV”)

25 de Mayo 175

Buenos Aires

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

Sarmiento 299

Buenos Aires

A3 Mercados S.A. (“A3 Mercados”)

Maipú 1210

Buenos Aires

Ref.: Relevant Information - Closing of the Stock Purchase Agreement for the Acquisition of Vaca Muerta Inversiones S.A.U.

Dear Sirs,

The purpose of this letter is to comply with the requirements of the Rules of the National Securities Commission and the corresponding ByMA and A3 Mercados.

In this regard, and following the information disclosed in our relevant information dated August 6, 2025, it is hereby informed that on September 29, 2025, YPF S.A. (“YPF”) completed the acquisition of 100% of the share capital of Vaca Muerta Inversiones S.A.U. (“VMI”), pursuant to the stock purchase agreement entered into with Total Austral S.A., and under the terms previously informed.

Furthermore, it is hereby informed that, as of the date hereof, there are no outstanding credits or debts between YPF and VMI, and any other information required by applicable rules is available at the following link (under sections Financial Information – Financial Statements Controlled Companies and Corporate Information – Corporate Officers – Controlled Companies):

https://www.cnv.gov.ar/SitioWeb/Empresas/Empresa/30546689979?fdesde=29/9/2021

Sincerely yours,

Margarita Chun

Market 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: September 29, 2025				By:		/s/ Margarita Chun
				Name:		Margarita Chun
				Title:		Market Relations Officer

FAQ

What transaction does YPF (YPF) report in this Form 6-K?

YPF Sociedad Anónima reports that on September 29, 2025 it completed the acquisition of 100% of the share capital of Vaca Muerta Inversiones S.A.U. from Total Austral S.A. under a previously disclosed stock purchase agreement.

Who sold Vaca Muerta Inversiones S.A.U. to YPF (YPF)?

The seller of Vaca Muerta Inversiones S.A.U. was Total Austral S.A., which entered into a stock purchase agreement with YPF for 100% of the share capital of the company.

Does YPF (YPF) have outstanding credits or debts with Vaca Muerta Inversiones after the acquisition?

YPF states that, as of the date of the notice, there are no outstanding credits or debts between YPF and Vaca Muerta Inversiones S.A.U.

Where can investors find more information on Vaca Muerta Inversiones S.A.U. after YPF’s acquisition?

YPF indicates that additional information required by applicable rules, including financial statements and corporate information for Vaca Muerta Inversiones S.A.U., is available via a link on the Argentine securities regulator’s website.

Was this acquisition by YPF (YPF) previously announced?

YPF notes that this update follows information disclosed in a relevant information notice dated August 6, 2025, indicating the acquisition had been previously announced before closing.