TGS ASA

TGS Vesting Under the 2022 Long-Term Incentive Plan

Oslo, Norway (29 April 2024) -TGS granted the second 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 second tranche of PSUs vested on

1 April 2024, resulting in a total of 61 PSU holders having the right to request

the issuance of TGS shares at par value NOK 0.05. The company previously

determined that the final payout on the PSUs is 58.3% based on achievement of

performance metrics set forth in the plan, resulting in a total of 36,720 shares

issuable to 61 holders of the vested PSUs.

Participants had the right to request TGS to settle a portion of their vested

units in cash, using the fair market value of the shares to cover tax

withholding obligations and other necessary deductions that arise in connection

with the vest.

Following the vest of PSUs, an aggregate of 26,557 TGS shares have been issued

to the 61 employees, which amount is net of any units that were settled in

cash.

Primary insider Carel Hooijkaas, EVP Acquisition, has received 5,464 shares.

After this he holds a total of 38,158 TGS shares.

The shares have been taken out of TGS' holding of treasury shares. After the

transactions TGS holds 146,758 own shares.

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

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