TGS reported 3Q2026 net income of Ps. 110,505 million, compared with Ps. 149,547 million in 3Q2025. Revenue was Ps. 532,466 million, down from Ps. 569,205 million, and operating profit was Ps. 204,304 million, Ps. 25,272 million below the prior-year quarter. These figures are in constant Argentine pesos unless otherwise stated; financial results are presented on a nominal basis.
Cash flow provided by operating activities was Ps. 296,567 million, versus Ps. 201,025 million a year earlier, while investing activities used Ps. 471,077 million. TGS reported a net cash position of Ps. 310,054 million as of September 30, 2026. Inclusion of the NGLs project in RIGI was publicly announced on October 19, 2026, with publication of the administrative resolution pending; firm contracts represented 96% of planned project capacity. TGS requested approval to expand the Perito Moreno Gas Pipeline by 4.5 MMm3/d, and approval remains pending.
TGS's board approved execution of two separate tripartite agreements with Pampa Energía S.A., together with its controlled company Procesadora de Gas del Sur S.A. (PGS), for integrated transportation, metering, dispatch and delivery of Pampa's natural gas from Sierra Chata and El Mangrullo. TGS will also carry out infrastructure works connecting the Tratayén Plant to the San Matías Pipeline head-end.
The Sierra Chata agreement specifies firm transportation capacity of 8 MMm³/d. El Mangrullo specifies 8 MMm³/d, with an option to increase capacity up to 10.5 MMm³/d, plus a connection service for 6 MMm³/d. Both agreements have 15-year terms from commencement, expected in April 2028. TGS is jointly and severally liable for PGS's contractual obligations. The Audit Committee issued a favorable opinion that the terms may reasonably be deemed to be on an arm's-length basis and in accordance with customary market conditions.
TGS reported that Flavia Vanesa Bevilacqua resigned as an Alternate Director effective October 6, 2026, due to personal reasons. She was appointed to the role at TGS’s Annual Ordinary, Extraordinary and Special Shareholders’ Meeting on April 15, 2026.
Transportadora de Gas del Sur S.A. (“tgs”) reports that for the six months ended June 30, 2026, total revenues increased by Ps. 131,970 million versus 6M2025, driven mainly by the Liquids Production and Commercialization and Midstream segments, partly offset by lower Natural Gas Transportation revenues.
Natural Gas Transportation revenues were Ps. 402,444 million, down Ps. 14,735 million, as inflation effects exceeded tariff updates despite a regulatory reconfiguration that kept required revenue from the Five‑Year Tariff Review unchanged. Liquids revenues reached Ps. 445,761 million, up Ps. 127,421 million, supported by a more than 50% volume increase (up 230,903 tons) after 2025 weather‑related disruptions. Midstream revenues rose by Ps. 19,284 million, helped by expanded Tratayén plant capacity.
Net financial results for 6M2026 were Ps. 5,689 million, down sharply from Ps. 56,009 million a year earlier due to lower investment yields and a higher loss from inflation exposure. Operating cash flow strengthened to Ps. 601,976 million, while heavy investment in financial assets and PPE led to cash used in investing of Ps. 1,148,670 million and a net decrease in cash and equivalents of Ps. 542,246 million, leaving Ps. 286,690 million at period end.
tgs advanced key growth projects in Vaca Muerta. Sucursal Dedicada 1’s Perito Moreno Gas Pipeline expansion was approved under Argentina’s RIGI regime, and the Board approved the US$ 3,000 million Integrated NGLs Project, expected to generate annual exports of about US$ 1,200 million. The company remains in compliance with debt covenants and reports its figures in constant currency under IAS 29 due to Argentina’s hyperinflationary environment.
Transportadora de Gas del Sur S.A. reported a strong 2Q2026, with revenues of Ps. 535,522 million versus Ps. 464,147 million in 2Q2025 and comprehensive income of Ps. 133,145 million compared to Ps. 53,780 million. Operating profit rose to Ps. 216,327 million, driven mainly by the Liquids Production and Commercialization segment, whose revenues climbed to Ps. 238,904 million and operating profit to Ps. 77,934 million, supported by higher volumes, prices and exchange-rate effects.
The Natural Gas Transportation segment generated operating profit of Ps. 95,485 million, while financial losses narrowed to Ps. 19,122 million from Ps. 79,313 million. Net debt increased to Ps. 497,604 million as of June 30, 2026, from Ps. 120,098 million at year-end 2025, alongside strong operating cash flow of Ps. 392,517 million and heavy investment outflows. The company reached Final Investment Decision on an Integrated NGLs Project with an estimated investment of US$ 3.0 billion and expected annual exports of US$ 1.2 billion, obtained approval to adhere to Argentina’s RIGI regime for a major pipeline expansion, and received credit rating upgrades from both S&P and Moody’s.
Gas Transporter of the South Inc. has an initial insider ownership report for Paz Gerardo Carlos, identified as an Alternate Director. The report shows no reported transactions, holdings entries, or derivative positions in the company’s securities at the time of this Form 3.
Transportadora de Gas del Sur S.A. reported that Moody’s upgraded the rating on the company’s notes from B2 to B1. The change was made on July 23, 2026 and follows an upgrade of Argentina’s sovereign debt rating. The notice was signed by senior finance and legal executives.
GAS TRANSPORTER OF THE SOUTH INC director-linked entity AURA INTERVEST LTD. made an open-market purchase of 4,680 ADSs representing class B shares at $29.2553 per ADS. Following this buy, indirect holdings associated with director Luis Alberto Fallo increased to 6,016 ADSs.
Transportadora de Gas del Sur S.A. reports that S&P Global Ratings upgraded its long-term local and foreign currency debt ratings from “B-” to “B” on June 11, 2026. The upgrade follows S&P’s revision of Argentina’s transfer and convertibility risk assessment, which influences perceived sovereign and corporate credit risk.
Transportadora de Gas del Sur S.A. (tgs) announced the execution of commercial agreements for its Integrated NGLs Project with YPF, Pluspetrol entities and Chevron Argentina. The project will be developed through subsidiaries Procesadora de Gas del Sur (PGS) and Midstream de Gas del Sur (MGS), incorporated as single project vehicles under Argentina’s Incentive Regime for Large Investments.
PGS will build and operate an approximately 100 km gas segregation pipeline and a processing plant in Tratayén, Neuquén, with estimated capacity of 43 MMm³/d and investment of US$ 1.1 billion. MGS will build and operate an approximately 577 km liquids pipeline, fractionation plant and storage facilities with a marine terminal in Puerto Galván, Bahía Blanca, involving an estimated US$ 1.9 billion and enabling around US$ 1.2 billion per year of exports.
The company states that this initiative is key to easing constraints on the development of Vaca Muerta, supporting higher crude oil production and conditioning associated gas for transportation through trunk and export gas pipelines.