Pampa Energia Informs to the Market that it Has Filed its Annual Report on Form 20-F for the Fiscal Year Ended December 31, 2010.

Jun 28, 2011, 14:44 ET from Pampa Energia S.A.

BUENOS AIRES, Argentina, June 28, 2011 /PRNewswire/ -- Pampa Energia S.A. (NYSE: PAM; Buenos Aires Stock Exchange: PAMP) ("Pampa" or the "Company"), the largest integrated electricity company in Argentina that, through its subsidiaries, participates in the generation, transmission and distribution of electricity, announces today it has filed its annual report on Form 20-F for the fiscal year ended December 31, 2010 (the "2010 Annual Report") with the U.S. Securities and Exchange Commission (the "SEC"). The 2010 Annual Report can be accessed by visiting either the SEC's website at or the Company's website at In addition, shareholders may receive a hard copy of the Company's 2010 Annual Report free of charge by requesting a copy within a reasonable period of time from Pampa's Investor Relations Office or from

For further information, contact: Ricardo Torres - Chief Executive Officer Mariano Batistella - Responsible for Strategic Planning and Investor Relations 3302 Ortiz de Ocampo, Building #4 (C1425DSR) Ciudad Autonoma de Buenos Aires, Argentina Phone: 5411 4809 9500

SOURCE Pampa Energia S.A.