OSLO, Norway (23 October 2025) – TGS, a global provider of energy data and intelligence, announces the Roosevelt 3D seismic onshore survey in the Uinta Basin. Covering 202 square miles of full fold data, this survey marks TGS’ first multi-client project in the region and a significant step in advancing exploration within one of North America’s prominent basins. Kristian Johansen, CEO of TGS, commented, “The Roosevelt 3D survey is a pivotal milestone in our expansion into the Uinta Basin. Through the applica ...

OSLO, Norway (23 October 2025) - TGS today reports interim financial results for Q3 2025. Financial highlights: Recovery after weak second quarter - Q3 revenues of USD 388 million, a 26% sequential growthSolid multi-client performance with sales-to-investment of 1.9x year-to-dateOrder inflow of USD 436 million during Q3 2025 – total order backlog of USD 473 millionStrong cash flow reducing net debt to USD 432 million, compared to USD 479 million at the end of Q2 2025Solid balance sheet allows for stable div ...

Core Insights - TGS has secured an OBN acquisition contract in the Gulf of America, with a 4D monitor survey set to begin in Q4 2025 and lasting approximately 4.5 months [1][2] Company Overview - TGS is a leading provider of energy data and intelligence, offering advanced technology and solutions across the entire energy value chain [3] - The company has a diverse energy data library and aims to support clients in making informed decisions regarding energy resource exploration and production [3] Market Position - The Gulf of America is identified as a core market for TGS's OBN business, highlighting the importance of this region for the company's operations [2] - The contract is with a repeat IOC customer, indicating a strong relationship and trust in TGS's capabilities [2]

OSLO, Norway (15 October 2025) – TGS, a leading provider of energy data and intelligence, is pleased to announce the award of a streamer acquisition contract in Africa. Acquisition is scheduled to commence in Q4 this year and the contract has a duration of approximately 50 days. Kristian Johansen, CEO of TGS, commented, "We are very pleased to secure this work program and look forward to supporting our client’s exploration efforts in the region with our proven technology and expertise. By leveraging the Ram ...

Core Insights - TGS ASA reported a significant increase in asset utilization for Q3 2025, with a normalized Ocean Bottom Node (OBN) crew count of 2.8 and streamer vessel utilization at 73%, surpassing previous expectations of 2.5 and 65% respectively [2] Group 1: Operational Performance - The normalized OBN crew count for TGS in Q3 2025 was 1.8 for contracts and 1.0 for multi-client projects, compared to 3.8 and 0.0 in Q3 2024 [1] - The allocation of active seismic streamer 3D vessel capacity showed a notable increase in contract utilization to 45% in Q3 2025 from 20% in Q3 2024, while multi-client utilization decreased to 28% from 57% [1] - TGS maintained a consistent number of vessels at 6 for both Q3 2025 and Q3 2024 [1] Group 2: Financial Expectations - TGS anticipates a multi-client investment of approximately USD 86 million in Q3 2025, a decrease from USD 129.4 million in Q3 2024 [1] - The company will release its Q3 2025 results on 23 October 2025, with a presentation by CEO Kristian Johansen and CFO Sven Børre Larsen [2]

Oslo, Norway (6 October 2025) - TGS, a leading global provider of energy data and intelligence will release its Q3 2025 results at approximately 07:00 a.m. CEST on 23 October. CEO Kristian Johansen and CFO Sven Børre Larsen will present the results at 09:00 a.m. CEST on 23 October at House of Oslo, Ruseløkkveien 34 in Oslo, Norway. The presentation is open to the public and will be webcasted live. Access and registration for webcast attendees are available by copying and pasting the link below into your bro ...

OSLO, Norway (29 September 2025) – TGS, a global leader in energy data and intelligence, announces the commencement of a new multi-client Ultra-Long Offset Ocean Bottom Node (OBN) data acquisition campaign in the Gulf of America. The Amendment West-1 survey is TGS’ second campaign expanding multi-client node coverage in the Paleogene West play, adding more than 5,400 square kilometers within the East Breaks protraction area. Amendment West-1 will feature TGS' Gemini™ enhanced frequency source and TGS’ ZXPLR ...

Core Insights - TGS has announced the PAMA Phase II 3D multi-client survey in the Equatorial Margin area offshore Brazil, expanding its coverage significantly in a highly prospective basin [1][2][4] - The survey will cover an additional 11,500 square kilometers, including blocks nominated for upcoming license rounds in 2026 and 2027 [2] - The project is supported by industry funding and utilizes advanced TGS GeoStreamer technology for high-quality data acquisition [2][4] Industry Context - The Pará-Maranhao Basin is recognized for its functioning deepwater petroleum system, attracting interest due to discoveries in neighboring countries like Guyana and Suriname [3] - TGS aims to leverage its advanced acquisition capabilities to provide substantial value for clients' exploration activities in the basin [4] - The ongoing Megabar extension multi-client project in the Barreirinhas Basin will see two Ramform Titan-class vessels active in the Equatorial Margin through the remainder of 2025 [4]

Group 1 - The share price of Transportadora de Gas del Sur S.A. (NYSE:TGS) decreased by 20.23% from September 5 to September 12, 2025, making it one of the energy stocks that experienced significant losses during that week [1] - Transportadora de Gas del Sur S.A. is involved in the transportation of natural gas and the production and commercialization of natural gas liquids both in Argentina and internationally [2] - The decline in TGS's stock price is attributed to concerns following President Javier Milei's party's significant losses in local elections, raising doubts about his administration's capability to execute its economic reform agenda [3]

TGS’ presentation for the Pareto Securities Energy Conference 2025 is available on www.newsweb.no or TGS’ website www.tgs.com. CEO Kristian Johansen will present today at 15:55 CEST. For more information, visit TGS.com or contact: Bård Stenberg VP IR & Communication Mobile: +47 992 45 235 investor@tgs.com Attachment Pareto Securities Energy Conference 2025 ...