Buenos Aires, November 7^th, 2022

COMISIÓN NACIONAL DE VALORES

BOLSAS Y MERCADOS ARGENTINOS

Ref.: Relevant Event. Convening of a Shareholders’ Meeting for December 27^th, 2022.

Dear Sirs:

I am writing to you in my capacity as Head of Market Relations of Pampa Energía S.A. (the “Company”) to inform that on the date hereof the Board of Directors of the Company resolved to convene an Ordinary General Shareholders’ Meeting for December 27^th, 2022 at 10 am for its first call, 11 am for its second call. Such meeting will be held virtually by Microsoft Teams.

Sincerely,

María Agustina Montes

Head of Market Relations