Update on regulatory approvals relating to the merger with TGS

14 February 2024, Oslo, Norway - Reference is made to the joint stock exchange
announcement on 18 September 2023 by TGS ASA ("TGS," OSE: TGS) and PGS ASA
("PGS" or the "Company," OSE: PGS) regarding the combination of the two
companies (the "Merger") to establish the premier energy data company, as well
as subsequent announcements on 25 October and 1 December 2023 regarding,
respectively, the execution and approval of the definitive merger plan for the
Merger.

The Merger is currently subject to ongoing review by the competition authorities
in the UK, and in Norway, the Norwegian Competition Authority has resolved to
continue its assessment of the transaction in a Phase II review.

Completion of the Merger remains conditional on the customary closing conditions
described in the merger plan, including the remaining regulatory approvals set
out above.

The statutory creditor notice period for the Merger has expired.

The parties still expect that completion of the Merger will occur during the
second quarter of 2024, as previously communicated.

For further information on the Merger and the complete terms and conditions for
the Merger, please see the merger plan for the Merger available on www.pgs.com
(https://eur03.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.pgs.com%2F
&data=05%7C02%7CViggo.Bang-
Hansen%40schjodt.com%7C6f6e1d65f6be4d2f21b508dc2bdf3c44%7C4651385ecc6244a7bde5db
da3fc721be%7C0%7C0%7C638433485008420896%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAw
MDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C0%7C%7C%7C&sdata=CfJWri4JU8
bI8ztq0UJDPrCyQh9caGMist4NeL5mGmk%3D&reserved=0) and www.tgs.com
(https://eur03.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.tgs.com%2F
&data=05%7C02%7CViggo.Bang-
Hansen%40schjodt.com%7C6f6e1d65f6be4d2f21b508dc2bdf3c44%7C4651385ecc6244a7bde5db
da3fc721be%7C0%7C0%7C638433485008429224%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAw
MDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C0%7C%7C%7C&sdata=Ea%2FXbdyy
vAk4Qshk3H%2F5%2BTz1kxNE8gjs%2FsQais6u6Rc%3D&reserved=0).

Contact information:

TGS:
Sven Børre Larsen
CFO
Tel: +47 909 43 673
Email: investor@tgs.com

PGS:
Gottfred Langseth
CFO
Tel: +47 930 55 580
Email: ir@pgs.com