Pampa Energia SaBCBA: PAMP

14th Share Repurchase Program

· MarketScreener

Buenos Aires, September 8, 2025. Pampa Energía S.A. ('Pampa' or the 'Company'; NYSE: PAM; ByMA: PAMP) announces that today, Pampa's Board of Directors approved the 14th Share Repurchase Program for up to US$100 million or 10% of the share capital, and a maximum price to be paid of US$60 per ADR, effective for 120 days.

For more information, please contact:

Gustavo Mariani - CEO

Adolfo Zuberbühler - CFO

Lida Wang - Investor relations and sustainability officer - investor@pampa.com

Josefina Espinosa Paz - PR, press and marketing director - prensa@pampa.com

The Pampa Energía Building
Maipú 1, (C1084ABA), Buenos Aires, Argentina
Phone: +54 (11) 4344 6000

ri.pampa.com