Commissioning of a New Gas Turbine in Loma de la Lata

Buenos Aires, August 7, 2017. Pampa Energía S.A. (‘Pampa’ or the ‘Company’; NYSE: PAM; BCBA: PAMP) announces that the Wholesale Electricity Market Company (‘CAMMESA’) granted the commercial operation to the TG05 gas turbine as of August 5, 2017 12 am, pursuant to the Wholesale Power Purchase Agreement (the ‘PPA’) signed between CAMMESA and our power generation subsidiary CTLL, which is an awardee to the Tender for New Generation Capacity stipulated in the Secretariat of Electric Energy Resolution No. 21/2016.

Thus, commissioning has been achieved in accordance with the PPA terms and conditions, as well as the corresponding supply obligations began to be effective.

The project, which consisted in installing a new 105 MW capacity high efficiency gas turbine in CTLL, increased the total power of said plant to 750 MW and required an investment of US$90 million approximately. Moreover, this is the second consecutive year that Pampa is adding capacity to the Argentine Grid.

It is worth to highlight that the new TG05 turbine manufactured by General Electric is the same model as the gas turbines generating in TG04 at CTLL and TG01 at Central Térmica Güemes, built with most advanced technology available, allowing a high efficiency and flexibility functioning, reaching full load in only 10 minutes and having reduced maintenance schedules.

For further information, contact:

Gustavo Mariani – Vice-President
Ricardo Torres – Vice-President
Mariano Batistella -Planning, Strategy and Affiliates Executive Director
Lida Wang – Investor Relations Officer

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