Petrolera Pampa's Capital Increase. Assignment of preemptive subscription right and accretion right to PESA's shareholders.

BUENOS AIRES, Argentina, Oct. 15, 2013 /PRNewswire/ -- Pampa Energia S.A. (NYSE: PAM; Buenos Aires Stock Exchange: PAMP 'Pampa' or the 'Company') informs that, on October 3 past, Petrolera Pampa S.A., a subsidiary of PESA (hereinafter, "PEPASA"), reported to the Company that it would call a Shareholders' Meeting to increase its stock capital so as to raise up to $100,000,000 (One Hundred Million Pesos) in order to consolidate its financial position and thus access more easily to the financial markets and carry into effect PEPASA's proposed investments (hereinafter, "PEPASA's Capital Increase") according to its business plans for the exploration and exploitation of hydrocarbons.

On the date hereof, the Company's Board of Directors has resolved to assign its preemptive subscription right in connection with PEPASA's Capital Increase to all those of PESA's shareholders who are registered by Caja de Valores S.A. as of October 15, 2013.

The Company will report in due course the date and manner in which the Preemptive Subscription Right coupon for participating in PEPASA's Capital Increase will be made available to PESA's shareholders as of the above mentioned date.

This resolution adopted by the Company's Board of Directors will allow the referred PESA's shareholders to take part directly in the development of the hydrocarbon business in Argentina, which offers excellent growth opportunities.

THIS NOTICE DOES NOT CONSTITUTE AN OFFER TO SELL, OR A SOLICITATION OF AN OFFER TO BUY, ANY SECURITIES IN CONNECTION WITH THE CAPITAL INCREASE TO WHICH REFERENCE IS MADE HEREIN, NOR SHALL ANY SALE OF SECURITIES WILL BE MADE IN ANY JURISDICTION IN WHICH SUCH OFFER, SOLICITATION OR SALE WOULD BE ILLEGAL PENDING THE RELEVANT REGISTRATION OR QUALIFICATION UNDER THE SECURITIES LAWS OF SUCH JURISDICTION.

For further information, contact:

Ricardo Torres - Chief Executive Officer
Mariano Batistella – Special Projects Manager and Investor Relations Officer
Lida Wang - Special Projects and Investor Relations Associate
3302 Ortiz de Ocampo, Building #4
(C1425DSR) Ciudad Autonoma de Buenos Aires, Argentina
Phone: +54 (11) 4809 9500
http://www.pampaenergia.com/ir
investor@pampaenergia.com

SOURCE Pampa Energia S.A.