OSLO, Norway (18 November 2025) - TGS, a leading provider of energy data and intelligence, is pleased to announce that a major international energy company has extended its current contracts for the provision of reservoir monitoring and source services related to Permanent Reservoir Monitoring (PRM) and 4D Ocean Bottom Node (OBN) surveys on the Norwegian continental shelf. Both extensions have a nominal five-year duration, until 2030, with options to extend for a further five-year period.
Kristian Johansen, CEO of TGS, commented, "We are very pleased that our client extends the current contracts for another five-year period, which ensures continuity of our PRM and source business combined with repeat 4D OBN surveys. The contract renewal is a testament that our PRM and OBN services provide the highest quality seismic results in a cost-effective manner."
For more information, visit TGS.com or contact:
Bård Stenberg
VP IR & Business intelligence
Mobile: +47 992 45 235
investor@tgs.com
About TGS
TGS provides advanced data and intelligence to companies active in the energy sector. With leading-edge technology and solutions spanning the entire energy value chain, TGS offers a comprehensive range of insights to help clients make better decisions. Our broad range of products and advanced data technologies, coupled with a global, extensive and diverse energy data library, make TGS a trusted partner in supporting the exploration and production of energy resources worldwide. For further information, please visit www.tgs.com (https://www.tgs.com/).
Forward Looking Statement
All statements in this press release other than statements of historical fact are forward-looking statements, which are subject to a number of risks, uncertainties and assumptions that are difficult to predict and are based upon assumptions as to future events that may not prove accurate. These factors include volatile market conditions, investment opportunities in new and existing markets, demand for licensing of data within the energy industry, operational challenges, and reliance on a cyclical industry and principal customers. Actual results may differ materially from those expected or projected in the forward-looking statements. TGS undertakes no responsibility or obligation to update or alter forward-looking statements for any reason.



