OSLO, Norway (8 July 2025) – TGS ASA (“TGS”), a leading global provider of energy data and intelligence, routinely publishes a quarterly operational update six working days after quarter-end. For Q2 2025, it also includes a financial update. The table below shows TGS’ normalized Ocean Bottom Node (OBN) crew count¹: Q2 2025Q2 2024Normalized crew count Contract1 1.72.7Normalized crew count Multi-client11.10.0 1) The table shows the average number of crews in operation when assuming a normalized crew size. ...

Group 1 - TGS, a leading global provider of energy data and intelligence, will release its Q2 2025 results on July 17, 2025, at 07:00 a.m. CEST [1] - The presentation of the results will be conducted by CEO Kristian Johansen and CFO Sven Børre Larsen at 09:00 a.m. CEST, and it will be webcasted live [1] - The Q2 2025 earnings release and presentation will be accessible on TGS's official websites [1] Group 2 - TGS provides advanced data and intelligence to companies in the energy sector, utilizing leading-edge technology and solutions across the entire energy value chain [2] - The company offers a comprehensive range of insights to assist clients in making informed decisions, supported by a diverse energy data library [2] - TGS is recognized as a trusted partner in the exploration and production of energy resources globally [2]

Core Points - TGS has distributed restricted shares to its Directors as part of their compensation, with the Chair receiving 4,000 shares and other Directors receiving 2,400 shares each [1] - After the issuance of restricted shares, TGS holds 141,117 shares as treasury shares [1] - TGS provides advanced data and intelligence to the energy sector, supporting exploration and production of energy resources worldwide [2] Company Overview - TGS utilizes leading-edge technology and solutions across the entire energy value chain, offering a comprehensive range of insights for better decision-making [2] - The company boasts a global, extensive, and diverse energy data library, establishing itself as a trusted partner in the energy industry [2]

Oslo, Norway (May 9 2025) – TGS, a leading provider of energy data and intelligence, is pleased to announce a significant increase in acquisition activity in Northern Europe this summer. TGS has deployed a total of four acquisition vessels in the region; three seismic vessels and one offshore wind vessel, doubling the Company’s capacity compared to 2024. All the three seismic streamer vessels have successfully mobilized, according to plan, and are currently engaged in production on 4D seismic contracts. The ...

Financial Performance - TGS reported strong financial performance in Q1 2025, with the multi-client segment significantly exceeding expectations due to robust sales of vintage library data in frontier areas [1] - The sales-to-investment ratio over the past four quarters was above 2x (pro-forma), highlighting the attractiveness of the multi-client model and the benefits of having a large and diversified data library [1] - There was a significant year-on-year improvement in asset utilization, contributing to solid contract revenues [5] Market Outlook - Despite recent oil price weakness adding short-term uncertainty, the long-term outlook for the energy sector remains positive [2] - E&P companies are struggling to replace reserves at current spending levels, indicating a need for more exploration to maintain production [2] Financial Metrics - Multi-client investment for Q1 2025 was USD 130 million, supported by solid pre-commitments from clients [5] - Order inflow during Q1 2025 was USD 302 million, resulting in a total order backlog of USD 600 million [5] - Strong cash flow reduced net debt to USD 453 million from USD 500 million at the end of 2024 [5] - The company plans to pay a stable dividend of USD 0.155 per share in Q2 2025 [5] Guidance and Adjustments - Guidance for gross operating expenses and capital expenditures has been lowered to approximately USD 1,000 million and USD 135 million, respectively, due to increased macro uncertainty [5]

OSLO, NORWAY (8 May 2025) - The Annual General Meeting of TGS ASA was held on 8 May 2025. All resolutions proposed were approved by the shareholders. The minutes from the Annual General Meeting are available on www.tgs.com. For more information, visit TGS.com (http://www.tgs.com), email generalmeeting@tgs.com, or contact: Bård Stenberg VP IR & CommunicationTel: +47 992 45 235E-mail: investor@tgs.com About TGSTGS provides advanced data and intelligence to companies active in the energy sector. With leading ...

Oslo, Norway (08 May 2025) – TGS granted the third tranche of Performance Stock Units (PSUs) under the Magseis 2022 Long-term Incentive Plan previously adopted and authorized by the Board of Directors of TGS ASA in 2023. In accordance with the terms of this Plan, the third tranche of PSUs vested on 1 April 2025, resulting in a total of 51 PSU holders having the right to request the issuance of TGS shares. The company previously determined that the final payout on the PSUs is 58.3% based on achievement of p ...

OSLO, Norway (7 May 2025) – TGS, a leading provider of energy data and intelligence, is pleased to announce the award of a 4D streamer contract in the East Mediterranean. Acquisition is scheduled to commence in Q2 this year and the contract has a duration of approximately 90 days. Kristian Johansen, CEO of TGS, commented, "We are very pleased to secure this 4D streamer contract. By leveraging the Ramform acquisition platform, coupled with our proprietary GeoStreamer technology we are well equipped to delive ...