TGS Share Repurchase

Oslo, Norway (26 August 2021) – On period from 19 August 2021 to 25 August 2021, TGS ASA (TGS) purchased 61,185 own shares on the Oslo Stock Exchange at an average price of NOK 96.4966 per share. Following the purchase TGS holds 779,890 own shares, representing 0.665% of the total outstanding shares.

The shares were purchased in connection with the share repurchase announced on 11 February 2021.

Overview of transactions
Date	Aggregated daily volume (number of shares)	Weighted average share price per day (NOK)	Total daily transaction value (NOK)
19-Aug-21	20,000	96.4727	1,929,454
20-Aug-21	20,000	94.5655	1,891,310
24-Aug-21	20,000	98.3827	1,967,654
25-Aug-21	1,185	97.6600	115,727
Previously disclosed buy-backs under the program (accumulated)	653,605	116.4039	76,082,196
Accumulated under the buy-back program	714,790	114.6999	81,986,341
The issuer's holding of own shares:
Following the completion of the above transactions, TGS owns a total of 779,890 own shares, corresponding to 0.665% of TGS' share capital.
Appendix:
An overview of all transactions made under the buy-back programme that have been carried out during the above-mentioned time period is attached to this report and available at www.newsweb.no.

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.

For more information, visit TGS.com or contact:

Sven Børre Larsen
Chief Financial Officer
investor@tgs.com

Attachment

• TGS Share Repurchase