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SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Name of Issuer)

(Title of Class of Securities)

(CUSIP Number)

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

SCHEDULE 13D/A 0002022936 XXXXXXXX LIVE 13 Common Shares, par value Ps.1.00 (the "Pampa Shares") American Depositary Shares, each representing 25 Pampa Shares (the "Pampa ADSs") 12/12/2025 false 0001469395 697660207 Pampa Energy Inc. MAIPU 1 City of Buenos Aires C1 C1084ABA Maria Carolina Sigwald 54-11-4344-6000 Maipu 1 Buenos Aires C1 1084 0002022936 N Marcos Marcelo Mindlin AF PF N C1 190035798.00 0.00 190035798.00 0.00 190035798.00 N 13.94 IN Common Shares, par value Ps.1.00 (the "Pampa Shares") American Depositary Shares, each representing 25 Pampa Shares (the "Pampa ADSs") Pampa Energy Inc. MAIPU 1 City of Buenos Aires C1 C1084ABA This Amendment No. 13 (this "Amendment No. 13") amends and supplements the Schedule 13D previously filed with the U.S. Securities and Exchange Commission (the "SEC") on December 21, 2010 (as amended from time to time, the "Schedule 13D"), with respect to the common shares (the "Pampa Shares") of Pampa Energia S.A., a sociedad anonima organized under the laws of the Republic of Argentina (the "Issuer"), and the American depositary shares (the "Pampa ADSs") of the Issuer, each representing 25 Pampa Shares, that are traded on the New York Stock Exchange. The principal executive offices of the Issuer are located at Maipu 1, C1084ABA, City of Buenos Aires, Argentina. Unless otherwise stated herein, the Schedule 13D remains in full force and effect. Capitalized terms used in this Amendment No. 13 and not otherwise defined shall have the same meanings ascribed to them in the Original Schedule 13D. Marcos Marcelo Mindlin Maipu 1, C1084ABA, City of Buenos Aires, Argentina Chairman of the Board of Directors (the "Board") and Executive Director of the Issuer. No No Argentina No material changes. No material changes. Attached hereto as Exhibit No.1. Attached hereto as Exhibit No.1. Attached hereto as Exhibit No.2. No person, other than the Reporting Persons, is known to the Reporting Persons to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, any securities covered by this Amendment No. 13. Not applicable. No material changes. No material changes. Marcos Marcelo Mindlin Marcos Marcelo Mindlin Chairman of the Board of Directors and Executive Director 12/11/2025