Pampa Energia Informs the Market that It Has Filed Its Annual Report on Form 20-F for the Fiscal Year Ended December 31, 2009

BUENOS AIRES, Argentina, June 30 /PRNewswire-FirstCall/ -- 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, 2009 (the "2009 Annual Report") with the U.S. Securities and Exchange Commission (the "SEC").  The 2009 Annual Report can be accessed by visiting either the SEC's website at www.sec.gov or the Company's website at http://www.pampaenergia.com/ir.  In addition, shareholders may receive a hard copy of the Company's complete audited financial statements free of charge by requesting a copy within a reasonable period of time from Pampa's Investor Relations Office or from [email protected].

SOURCE Pampa Energia S.A.