PAMPA ENERGIA S.A Stock Buenos Aires S.E.

Pampa Energia S.A. is an integrated electricity company. The Company, through its subsidiaries, is engaged in the generation, transmission and distribution of electricity in Argentina. Its segments include generation, transmission, distribution, oil and gas, and holding and others. Its generation segment includes a direct and indirect equity interest in Central Piedra Buena S.A., Central Termica Guemes S.A., Central Termica Loma de la Lata S.A. and Pampa Comercializadora S.A, among others, and investments in companies in the electricity generation sector. Its transmission segment includes an indirect equity interest through Compania Inversora en Transmision Electrica Citelec S.A. Its distribution segment includes an indirect equity interest in Electricidad Argentina S.A. and Empresa Distribuidora y Comercializadora Norte S.A. Its Oil and gas segment includes a direct interest in Petrolera Pampa S.A. Its holding and others segment includes financial investment operations, among others.