Approval of ENARGAS

Approval of Enargas

Buenos Aires, August 16, 2016. Pampa Energía S.A. (‘Pampa‘ or the ‘Company‘; NYSE: PAM; Buenos Aires Stock Exchange: PAMP) informs that the Argentine Gas Regulatory Agency (Ente Nacional Regulador del Gas) has approved the following transactions:

• Acquisition by the Company of the corporate stock that Petrobras Participaciones S.L. held in Petrobras Argentina S.A. (“Petrobras”) and, indirectly, 50% of the corporate stock of Compañía de Inversiones de Energía S.A. (“CIESA”); and
• Acquisition by Grupo Inversor Petroquímica S.A., WST S.A. and PCT LLC of (i) all the corporate stock of PEPCA S.A. (owner of 10% of CIESA); and (ii) the rights and sole beneficiary of the CIESA Trust (that represents 40% of the corporate stock of CIESA).

For further information, contact:

Gustavo Mariani – Co-Chief Executive Officer
Ricardo Torres – Co-Chief Executive Officer
Mariano Batistella – Special Projects Manager and Investor Relations Officer
Lida Wang – Chief of Investor Relations

Maipú 1, (C1084ABA), Buenos Aires, Argentina
Phone: +54 (11) 4344 6000
http://www.pampaenergia.com/ir
investor@pampaenergia.com