Pampa Energía S.A. ("Pampa Energía") the leading, independent and integrated energy company in Argentina with participation in electricity and gas value chain, successfully completed the placement and issuance in the local market of fixed nominal annual 5.00% interest rate Class 18 corporate notes, for a nominal value equivalent to US$ 72,084,065, due September 8, 2025, denominated, subscribed, integrated and payable in cash in Dollars, in Argentina, (the “Notes”). The Notes will amortize the principal in one single instalment on the due date.

Pampa Energía was advised by Salaverri, Burgio & Wetzler Malbrán; while (i) Banco de Galicia y Buenos Aires S.A.U. acting as placement and settlement agent and; (ii) Banco Santander Argentina S.A.; Banco BBVA Argentina S.A; Industrial and Commercial Bank of China (Argentina) S.A.U.; Nuevo Banco de Santa Fe S.A.; SBS Trading S.A.; Banco Mariva S.A.; Banco Hipotecario S.A.; BACS Banco de Crédito y Securitización S.A.; Cocos Capital S.A.; Allaria S.A.; Banco Comafi S.A; Banco Patagonia S.A.; and AdCap Securities Argentina S.A., acting as placement agents (the “Transaction Agents”), were advised by Bruchou & Funes de Rioja.

The Notes were issued on September 8th, 2023, under the Non-Convertible Simple Notes and/or Negotiable Obligations Convertible into Shares Program for up to USD$ 2,000,000,000 (or its equivalent in other currencies or units of value) (the "Program").

The Notes have been admitted for listing in Bolsas y Mercados Argentinos S.A. panel, and authorized for its negotiation in the Mercado Abierto Electrónico S.A. Additionally, they have been locally rated on September 1st by FIX SCR S.A. Agente de Calificación de Riesgo “AA+.ar” with stable outlook (perspectiva estable).

Legal advisors to Pampa Energía S.A.: Salaverri, Burgio & Wetzler Malbrán: Partner Roberto Lizondo. Associates Natalia Ostropolsky, Camila Mindlin and Luciana Malito.

María Agustina Montes, Maite Zornoza and Juan Manuel Recio as in-house counsels, and Adolfo Zuberbuhler, Débora Tortosa Chavez and Julieta Castagna as in-house financial advisors.

Legal advisors to the Transaction Agents: Bruchou & Funes de Rioja: Partner José María Bazán. Associates Leandro Exequiel Belusci, Manuel Etchevehere, and Pedro María Azumendi.