Pampa Energía announces relevant events

Buenos Aires, January 18, 2017. Pampa Energía S.A. (‘Pampa‘ or the ‘Company‘; NYSE: PAM; BCBA: PAMP) informs three relevant events:

Placement results of series 1 bond notes: yesterday the Company has successfully completed the placement of series 1 bond notes, denominated in US dollars at a fixed rate, issuing for a nominal value of US$750 million after having received offers of purchase of US$4 billion, more than 5 times compared to the nominal value to be issued. The issue price was 99.136% of the face value, at a fixed nominal annual rate of 7.5%, yielding 7.625% and maturing in 10 years.
The banks that lead the transaction were Citigroup and Deutsche Bank Securities, in addition to Credit Agricole CIB and Santander as initial purchasers and BACS Banco de Crédito y Securitización S.A., Banco Hipotecario S.A., Banco de Galicia y Buenos Aires S.A., Industrial and Commercial Bank of China (Argentina) S.A. and Banco de Servicios y Transacciones S.A. as local underwriters.

 Swap of indirect participation in Transportadora de Gas del Sur S.A. (‘TGS‘): in connection to the sale of TGS which was previously informed on July 19 and 27, 2016, yesterday the following swap (the ‘Swap‘) was carried out:

i. Grupo Inversor Petroquímica S.L. (‘GIP‘) and PCT L.L.C. (‘PCT‘) transferred to Petrobras Hispano Argentina S.A. (‘PHA‘), a subsidiary of Pampa, their position as beneficiary and fideicommissary of the trust owner of 40% of the stock and voting rights of Compañia de Inversiones de Energía S.A. (‘CIESA‘), a parent company of Transportadora de Gas del Sur S.A; and

ii. Petrobras Argentina S.A. (‘Petrobras Argentina‘) and PHA transferred GIP and PCT shares representative of 40% of the capital and voting rights of CIESA, with Petrobras Argentina keeping a direct participation in CIESA of 10% of its capital and voting rights.

The Swap was approved by ENARGAS on December 29, 2016.
The direct and indirect participation of GIP, PCT and Pampa in TGS remain unchanged as a result of the Swap.

In addition, it is informed that yesterday GIP, PCT and WST S.A. paid Pampa and Pampa Inversiones S.A., a subsidiary of Pampa, the balance of the purchase price under the share purchase agreement dated July 18, 2016, for a total amount of US$80 million plus interests.

 Call for extraordinary general shareholders‘ meeting: Pampa and Petrobras Argentina scheduled a meeting on February 16, 2017 at 11 am and 1 pm, respectively, to request the approval from its shareholders regarding the conditions of the corporate reorganization which consists of the merger by absorption between Pampa as absorbing party and Petrobras Argentina, Petrobras Energía Internacional S.A. and Albares Renovables Argentina S.A. as absorbed parties

The prospectus for local shares as well as for American Depositary Shares (‘ADRs‘) were duly reviewed and authorized by respective regulatory bodies and publicly disclosed in their respective sites.

For further information, contact:

Gustavo Mariani – Vice-President and Co-Chief Executive Officer
Ricardo Torres – Vice-President and Co-Chief Executive Officer
Mariano Batistella -Planning, Strategy and Affiliates Executive Director
Lida Wang – Investor Relations Officer

Maipú 1, (C1084ABA), Buenos Aires, Argentina
Phone: +54 (11) 4344 6000
http://www.pampaenergia.com/ir
investor@pampaenergia.com