Financial Assets and Liabilities - As of December 31, 2020, the company had total financial assets of Ps. 19,288,650 thousand, with fixed interest rate assets amounting to Ps. 16,108,712 thousand and variable interest rate assets of Ps. 3,179,938 thousand[1335]. - The company's total financial liabilities were Ps. 40,976,742 thousand, all of which were at fixed interest rates, indicating limited exposure to cash flow interest rate risk[1335][1332]. - As of December 31, 2020, the company's financial debt obligations denominated in foreign currency amounted to U.S.$521 million (Ps. 43,869 million), with a net liability position in U.S. dollars of U.S.$283 million[1345]. Foreign Exchange Risk - A hypothetical unfavorable 10% change in the peso/U.S. dollar exchange rate would have resulted in a potential financial expense loss of Ps. 2,534 million[1347]. - Approximately 87% of revenues from the Liquids Production and Commercialization segment were denominated in U.S. dollars for the years ended December 31, 2020, 2019, and 2018[1340]. - As of December 31, 2020, 96% of the company's fund placements were denominated in U.S. dollars to mitigate foreign exchange risk[1344]. - The company did not contract derivative financial instruments to hedge against foreign exchange risk during the years ended December 31, 2020, 2019, and 2018[1343]. Inflation and Purchasing Power - The company recorded a net gain from exposure to inflation in monetary items due to maintaining a liability monetary position during the years ended December 31, 2020, 2019, and 2018[1338]. - The company’s risk management policy aims to reduce the impact of loss of purchasing power and includes regular evaluations of alternative investments[1342]. Impact of Commodity Prices - The company estimated that a decrease of U.S.$50/ton in the international price of LPG and natural gasoline would have decreased its net comprehensive income by Ps. 2,019 million for the year ended December 31, 2020[1354].

Transportadora de Gas del Sur S.A. (NYSE:TGS) Q4 2020 Results Conference Call March 10, 2021 9:00 AM ET Company Participants Oscar Sardi - CEO Alejandro Basso - CFO Carlos Almagro - IR Officer Conference Call Participants Guilherme Levy - Morgan Stanley Ezequiel Fernandez Lopez - Balanz Robert Chang - Citi Lorena Reich - Lucror Operator Good morning. My name is Paul, and I will be your conference operator today. At this time, I would like to welcome everyone to TGS's Fourth Quarter 2020 Results Earnings Con ...

Transportadora de Gas del Sur S.A. (NYSE:TGS) Q3 2020 Earnings Conference Call November 10, 2020 9:00 AM ET Company Participants Alejandro Basso - CFO & VP, Administration, Finance and Services Conference Call Participants Ezequiel Fernández - Balanz Lorena Reich - Lucror Analytics Jorge Vargas - BTG Pactual Operator Good morning. My name is Rob, and I'll be your conference operator. At this time, I'd like to welcome everyone to TGS Third Quarter 2020 Results Earnings Conference Call. TGS issued its earning ...

Transportadora de Gas del Sur S.A. (NYSE:TGS) Q2 2020 Earnings Conference Call August 10, 2020 10:00 AM ET Company Participants Alejandro Basso - CFO & VP, Administration, Finance and Services Conference Call Participants Ezequiel Fernández - Balanz Bruno Montanari - Morgan Stanley Antonella Rapuano - Santander Operator Good morning. My name is Doug, and I'll be your conference operator today. At this time, I'd like to welcome everyone to TGS' Second Quarter 2020 Results Earnings Conference Call. TGS issued ...

Transportadora de Gas del Sur S.A. (NYSE:TGS) Q1 2020 Earnings Conference call May 11, 2020 10:00 AM ET Company Participants Alejandro Basso – Chief Financial Officer Conference Call Participants Chelsea Colon – Aegon Asset Management Antonella Rapuano – Santander Valeria Cisnero – Macquarie Guilherme Levy – Morgan Stanley Operator Good morning. My name is Christine and I will be your conference operator today. At this time I would like to welcome everyone to TGSÂ' First Quarter 2020 Results Earnings Confer ...

2020 First Quarter Earnings Presentation | --- | --- | |---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- ...

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F (Mark One) ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(B) OR (G) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended: December 31, 2019 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from __________ to __________. OR ☐ SHELL COMPANY REPORT PURSUANT TO SECTION 13 O ...

Transportadora de Gas del Sur S.A. (NYSE:TGS) Q4 2019 Earnings Conference Call March 9, 2020 10:00 AM ET Company Participants Alejandro Basso - Chief Financial Officer Conference Call Participants Operator Good morning. My name is Daryl and I will be your conference operator today. At this time, I would like to welcome everyone to TGS' Fourth Quarter 2019 Results Conference Call. TGS issued its earnings report last Friday. If you did not receive a copy via e-mail, please do not hesitate to contact us in New ...

Financial Performance - TGS's net income decreased significantly by Ar$7,671 million, a 64% drop, from Ar$12,027 million in 2018 to Ar$4,356 million in 2019[7] - Net revenues from natural gas transportation decreased by Ar$735 million, a 12% decrease, from Ar$5,910 million in 2018 to Ar$5,175 million in 2019[9] - Net revenues from liquids decreased by Ar$348 million, a 5% decrease, from Ar$7,255 million in 2018 to Ar$6,907 million in 2019[11] - Other operating result increased by Ar$260 million, a 94% increase, from Ar$(278) million in 2018 to Ar$(18) million in 2019[18] - Net financial results decreased by Ar$3,326 million, an 86% decrease, from Ar$3,859 million in 2018 to Ar$533 million in 2019[20] Revenue Variations - Natural gas transportation revenues were negatively impacted by an inflation adjustment effect of Ar$936 million but positively influenced by a 26% tariff increase effective from April 1, 2019, contributing Ar$1,062 million[9] - Liquids revenues were affected by lower international propane prices (more than 30%), lower ethane prices (15%), and lower ethane volumes, but were offset by higher propane and butane export volumes[11] - Other services revenues increased by Ar$16 million, a 2% increase, from Ar$747 million in 2018 to Ar$763 million in 2019, influenced by inflation adjustment, higher US dollar exchange rate, and more midstream services[13] Cost and Expenses - Cost of sales and administrative and selling expenses decreased by Ar$935 million, a 10% decrease, from Ar$(8,965) million in 2018 to Ar$(8,030) million in 2019, mainly due to lower natural gas costs[15] Income Tax - Income tax decreased by Ar$4,415 million from Ar$3,456 million in 2018 to Ar$(959) million in 2019[22] Recent Events - Commissioning of the North Tranche pipeline extension and the natural gas conditioning plant in Tratayén in December 2019[4] - Launch of the sixth buy back program on March 6, 2020, for up to Ar$25 billion[4]

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F (Mark One) ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(B) OR (G) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended: December 31, 2018 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from __________ to __________. OR ☐ SHELL COMPANY REPORT PURSUANT TO SECTION 13 O ...