Citi Appointed Successor Depositary Bank for Transportadora de Gas del Sur's ADR Program

Citi's Issuer Services business, acting through Citibank, N.A., has been appointed by Transportadora de Gas del Sur S.A. ("TGS") as successor depositary bank for its American Depositary Receipt (ADR) program.

TGS's ADRs are traded on the New York Stock Exchange under the symbol "TGS." Each ADR represents five shares of TGS. TGS's underlying shares are listed on the Bolsas y Mercados Argentinos S.A.

"Citi is proud to be appointed by TGS as depositary bank for its ADR program," said Dirk Jones, Head of Global Issuer Services at Citi. "With Citi's global presence and investor relations expertise, we are confident that our powerful platform will help TGS expand its investor outreach."

"We look forward to working with Citi to continue developing our ADR program," said Alejandro Basso, CFO of TGS. "Providing value for our ADR holders is an important commitment."

Citi is a leading provider of depositary receipt services. With depositary receipt programs in 61 markets, spanning equity and fixed-income products, Citi leverages its global network to provide cross-border capital market access to issuers, intermediaries and investors.

For more information about Citi's Depositary Receipt Services, please visit www.citi.com/dr.

Transportadora de Gas del Sur

Transportadora de Gas del Sur S.A. started operations on December 28, 1992, upon the privatization of the Argentine energy sector and is today a major gas transportation company in Argentina, conducting the operation of the most extensive pipeline system in Latin America. Additionally, the company produces and commercializes natural gas liquids and provides integral solutions related to natural gas.

Citi

Citi, the leading global bank, has approximately 200 million customer accounts and does business in more than 160 countries and jurisdictions. Citi provides consumers, corporations, governments and institutions with a broad range of financial products and services, including consumer banking and credit, corporate and investment banking, securities brokerage, transaction services, and wealth management.

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