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Contacts in Buenos Aires , Argentina : Investor Relations Leandro Perez Castaño , Finance and IR Manager . *leandro_perez@tgs.com.ar Carlos Almagro , Investor Relations Officer * carlos_almagro@tgs.com.ar Media Relations Mario Yaniskowski * mario_yaniskowski@tgs.com.ar tgs announces results for the first quarter ended on March 31 , 2021 ( " 1Q2021 " ) ( 1 ) Transportadora de Gas del Sur ( " tgs " , " the Company " , " us " , " our " , or " we " ) is the leader in Argentina in the transportation of natural gas , transporting approximately 60 % of the gas consumed in the country , through more than 5,700 miles of gas pipelines , with a firm - contracted capacity of 2.9 Bcf / d . We are one of the main natural gas processors . In addition , our infrastructure investments in Vaca Muerta formation is a milestone with the aim of becoming one of the main Midstreamers at Vaca Muerta . Our shares are traded on NYSE ( New York Stock Exchange ) and BYMA ( Bolsas y Mercados Argentinos S.A. ) . Our controlling company is Compañía de Inversiones de Energía S.A. ( " CIESA " ) , which owns 51 % of the total share capital . CIESA's shareholders are : ( i ) Pampa Energía S.A. with 50 % , ( ii ) Grupo Investor Petroquímica S.L. ( member of the GIP group , led by the Sielecki family ) and PCT L.L.C. hold the remaining 50 % . For further information , see our website www.tgs.com.ar Stock Information BYMA Symbol : TGSU2 NYSE Symbol : TGS ( 1 ADS = 5 ordinary shares ) Shareholding structure as of March 31 , 2021 tgs holds 794,495,283 issued shares and 752,761,058 outstanding shares . Buenos Aires , Argentina , May 7 , 2021 During the 102021 , total comprehensive income amounted to Ps . 3,909 million , or Ps . 5.19 per share ( Ps . 25.97 per ADS ) , compared to total comprehensive income of Ps . 4,873 million , or Ps . 6.28 per share ( Ps . 31.43 per ADS ) for the same period in 2020 ( 1Q2020 ) . My http : // QTCIQWBPD02 : 8080 / CIQDotNet / Filings / DownloadSI Operating profit for 1Q2021 amounted to Ps . 8,597 million , an increase of Ps . 1,345 million compared to 1Q2020 . This variation was mainly due to : Lower revenues from the Natural Gas Transportation segment of Ps . 2,396 million due to lack of tariffs adjustment since April 2019 . Higher revenues from the Production and Commercialization of Natural Gas Liquids ( Liquids ) and Other Services segments amounted to Ps . 1,469 million and Ps . 233 million , respectively . Operating costs and administrative and commercialization expenses , excluding depreciation , decreased by Ps . 2,032 million compared to 1Q2020 . Depreciation increased by Ps . 99 million . Financial results recorded a negative variation of Ps . 1,267 million . The income tax expense recorded an increase of Ps . 1,041 million .