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TGS Files 2016 Annual Report on Form 20-F

BUENOS AIRES, Argentina, April 25, 2017 /PRNewswire/ -- Transportadora de Gas del Sur S.A. ("TGS" or "the Company") (NYSE: TGS, MERVAL: TGSU2) announced that today it filed its annual report on Form 20-F for the fiscal year ended December 31, 2016 (the "2016 Annual Report") with the U.S. Securities and Exchange Commission (the "SEC"). The 2016 Annual Report can be accessed by visiting the Company's website at www.tgs.com.ar as well as on the SEC's website at www.sec.gov. In addition, shareholders may receive a hard copy of the Company's complete financial statements free of charge by requesting a copy from Carlos Almagro (calmagro@tgs.com.ar) or Leandro Perez Castaño (leandro_perez@tgs.com.ar) in TGS's Investor Relations Office at +(54-11) 4865-9050.

TGS is Argentina's leading transporter of natural gas, as it operates a natural gas pipeline system with a current firm contracted capacity of approximately 2.8 Bcf/d. The Company is also Argentina's leading processor of natural gas and one of the largest marketers of Liquids. TGS is listed on both, the New York and Buenos Aires stock exchanges, under the ticker symbols TGS and TGSU2, respectively. TGS's controlling shareholder is Compañía de Inversiones de Energía S.A. ("CIESA"), which holds 51% of the Company's common stock. CIESA is under co-control of: (i) Petrobras Argentina S.A. (under a merger process with Pampa Energía S.A.) which holds 10% of CIESA's common stock, (ii) CIESA Trust (whose trustee is TMF Trust Company (Argentina) S.A. and whose beneficiary is Petrobras Hispano Argentina S.A. -a wholly owned company by Pampa Energía S.A.- who has a trust shareholding of 40%, and (iii) Grupo Inversor Petroquímica S.L. and PCT LLC, who directly and indirectly jointly with WST S.A. trough PEPCA S.A., own the remaining 50% of CIESA's shareholding.

/s/ Alejandro M. Basso

Alejandro M. Basso

Administrative, Financial and
Services Vice President


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