TGS: Mandatory Notification of Trades

Oslo, Norway (1 March 2024) - TGS has issued an award of 15,000 Restricted Share Units (RSUs) to Carel Hooijkaas in accordance with the terms of his employment agreement, as approved by the Board of Directors of TGS ASA, and TGS Remuneration Policy, approved by the shareholders of TGS ASA.  The RSUs are secured by the Company's treasury stock that, upon vesting in accordance with the terms set forth in the agreement, are convertible to shares of the Company's common stock.  Each RSU represents the right to receive one share. The schedule attached reflects the holdings of the primary insider. About TGS TGS provides scientific data and intelligence to companies active in the energy sector. In addition to a global, extensive and diverse energy data library, TGS offers specialized services such as advanced processing and analytics alongside cloud-based data applications and solutions. 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. For more information, visit TGS.com (http://www.tgs.com) or contact: Sven Børre Larsen Chief Financial Officer investor@tgs.com (mailto:investor@tgs.com)