Welcome to our dedicated page for Transportadora de Gas SEC filings (Ticker: TGS), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
The SEC filings page for Transportadora de Gas del Sur S.A. (tgs, NYSE: TGS) provides direct access to the company’s regulatory disclosures as a foreign private issuer. tgs files annual reports on Form 20-F and furnishes current and periodic information on Form 6-K, covering its natural gas transportation, liquids production and commercialization, and midstream and telecommunications activities in Argentina.
In its Form 20-F, tgs presents audited financial statements prepared under International Financial Reporting Standards and discusses risk factors, business segments, and the regulatory framework governing its gas transportation license. Interim Form 6-K reports include condensed consolidated financial statements and analyses of financial condition and results of operations for six-month and nine-month periods, with details on segment revenues, cost structures, and the effects of inflation and currency restatement under IAS 29.
Filings also describe key regulatory and contractual developments, such as the Five-Year Tariff Review framework, monthly tariff adjustment mechanisms, and Decree No. 495/2025, which ratified the extension of the company’s transportation license for an additional 20 years from December 28, 2027. Material fact notices filed via Form 6-K outline events like new tariff charts, the award of public tenders for expanding the Perito Francisco Pascasio Moreno Gas Pipeline, and the operational and financial impact of climatic events at the Cerri Complex.
On Stock Titan, users can review these SEC documents alongside AI-generated highlights that help explain complex sections of Form 20-F and Form 6-K, such as segment performance, tariff-related changes, and liquidity discussions. This page is also a reference point for tracking tgs’s ongoing reporting practices, including how it presents non-IFRS measures and addresses risk and regulatory topics in its official filings.
Transportadora de Gas del Sur S.A. (tgs) reported that its Board of Directors approved new reference prices for SPOT gas purchases for its Plant Thermal Reduction with related parties for the 2026 summer and winter periods, and extended its policy governing LPG and natural gasoline/raw gasoline sale and resale operations from January 1, 2026 through December 31, 2026. Before approving these matters, the company’s Audit Committee issued reports under Argentine Capital Markets Act No. 26,831. On December 11, 2025, the Audit Committee informed the Board that transactions with related parties made under these reference prices and this policy can be considered reasonably conducted on an arm’s length basis, and these reports are available for review by accredited shareholders upon email request.
Transportadora de Gas del Sur (tgs) filed a 6‑K detailing 9M2025 performance, regulatory updates, and growth projects. Total revenues rose by Ps. 93,597 million year over year, led by Natural Gas Transportation, while Liquids declined.
Natural Gas Transportation revenues reached Ps. 488,348 million (vs. Ps. 374,642 million), supported by transitional tariff adjustments and the Five‑Year Tariff Review (initial 3.67% increase in 31 installments) plus monthly updates of 2.81%, 0.62%, 1.63% and 2.38% through September. Liquids revenue was Ps. 429,204 million, down Ps. 55,932 million on weaker export prices, FX effects and lower volumes after a March flood at the Cerri Complex. The event drove Ps. 45,741 million in losses and provisions, partly offset by Ps. 1,326 million in insurance advances.
Cash from operations was Ps. 411,003 million; investing used Ps. 210,496 million; financing used Ps. 186,812 million, including a Ps. 214,295 million dividend. Net cash increased by Ps. 13,695 million. In 3Q2025, comprehensive income was Ps. 112,059 million (vs. Ps. 68,802 million). The company won the GPM expansion (14 MMm³/d; works start November 1, 2025; 18‑month schedule) and received a 20‑year license extension from December 28, 2027. Subsequent event: a US$ 32,000,000 loan to support GPM capex.
Transportadora de Gas del Sur (TGS) reported stronger results for 3Q2025. Comprehensive income reached Ps. 112,059 million (Ps. 148.86 per share; Ps. 744.32 per ADS), up from Ps. 68,802 million a year ago. Operating profit was Ps. 172,026 million, rising by Ps. 33,567 million as total revenues increased to Ps. 426,518 million (up Ps. 88,591 million).
Growth was led by Liquids Production and Commercialization, where revenues rose by Ps. 70,423 million and operating profit reached Ps. 48,708 million amid higher volumes and better domestic prices. Midstream revenues increased by Ps. 24,851 million. Natural Gas Transportation revenues declined by Ps. 6,682 million, mainly due to inflation adjustments under IAS 29, partly offset by tariff increases. Financial results improved by Ps. 31,087 million. The company reported a negative net financial debt position of Ps. 89,469 million as of September 30, 2025.
TGS was awarded execution of the Perito Moreno Pipeline expansion, an estimated US$ 560 million project declared of public interest, and plans about US$ 220 million to expand capacity in final pipeline sections. Shares outstanding were 752,761,058 as of September 30, 2025.
Transportadora de Gas del Sur S.A. (tgs) reported it was awarded the National and International Public Call for Tender GPM no. 1/2025 to expand the transportation capacity of Section I of the Perito Francisco Pascasio Moreno Gas Pipeline.
The award was approved by the Argentine Energy Bureau under the Ministry of Economy via Resolution RESOL-2025-397-APN-SE#MEC dated October 17, 2025, which became effective upon publication in the Argentine Official Gazette. The tender procedure was carried out by Energía Argentina S.A. (EA), and the award to tgs was set by EA’s Board through Resolution no. 004 dated September 25, 2025.
Transportadora de Gas del Sur S.A. reported condensed interim consolidated results for the six months ended June 30, 2025. Total revenues rose by Ps.4,735 million year‑over‑year, driven by the Natural Gas Transportation segment which reached Ps.312,439 million (an increase of Ps.113,877 million). Liquids Production and Commercialization revenues fell to Ps.238,415 million, a decline of Ps.119,520 million, as volumes dispatched decreased 21.9% (118,490 tons).
The Cerri Complex was flooded on March 7, 2025, stopping liquids production through April and producing a reported loss of Ps.33,573,254 including Ps.7,577,663 of PPE impairments. Operating cash flow was Ps.246,970 million (up Ps.29,740 million), but cash and equivalents fell Ps.42,869 million after investing outflows of Ps.86,240 million and financing outflows of Ps.203,599 million, which included a Ps.202,703,683 dividend payment. Regulators completed the Five‑Year Tariff Review with a 3.67% initial increase (31 monthly installments), a 7.18% real after‑tax WACC and a Ps.279,107,575 five‑year investment plan; the government extended tgs’ license by 20 years from Dec. 28, 2027.
Transportadora de Gas del Sur S.A. (TGS) filed a Form 6-K announcing that Argentina’s Executive Branch issued Decree 495/2025, which formally ratifies the Memorandum of Agreement (MOA) signed on 11-Jul-25 to extend TGS’s natural-gas transportation license.
- Term extension: The current license—expiring 28-Dec-27—has been prolonged 20 additional years, now running through 28-Dec-47, under the same regulatory framework established in Decree 2458/1992.
- Conditions: Within 10 business days of the decree’s publication (24-Jul-25), TGS must file documentation proving the withdrawal and waiver of all pending administrative, arbitral or judicial claims—domestic or international—lodged by TGS or its controlling shareholder against the Argentine government.
The extension secures long-term operating visibility for TGS’s core regulated segment, potentially supporting capital-intensive network investments and cash-flow stability. However, relinquishing outstanding claims could forego settlement proceeds and underscores dependence on governmental relations.
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