Pampa Energía S.A. is the largest fully integrated electricity company in Argentina. Through its subsidiaries, the Company is engaged in the generation, transmission and distribution of electricity in Argentina.

The Company’s generation business has an aggregate installed capacity of 2,217 MW, representing about 7.5% of the installed capacity in Argentina. Its transmission business co-controls Transener, which operates the largest high voltage electricity transmission system in Argentina, covering around 11.7 thousand km of lines, as well as 6.1 thousand km of high tension lines from its subsidiary Transba. The distribution business comprises 3.6 million customers between Emdersa, Eden, and Edenor, the largest electricity distribution company in Argentina, with more than 2.7 million customers and with a concession area that covers the northern part of the City of Buenos Aires and the northwestern zone of the Greater Buenos Aires.

The Company’s shares trade on the Buenos Aires Stock Exchange under the ticker "PAMP" and are part of the MERVAL Index with a participation of 5.1%. Pampa has an ADSs (American Depositary Shares) Level I‘s program, which represent 25 shares of common stock each. The Company commenced the trading of its ADSs in the NYSE (New York Stock Exchange) on October 9th, 2009.