TGS: Mandatory notification of trade

OSLO, Norway(10 January 2024) - Kristian Johansen, Chief Executive Officer, has
today purchased 4,500 shares in TGS ASA at a price of NOK 109.61 per share.
Following this, he directly and indirectly holds 175,281 shares in TGS ASA.

This information is subject to the disclosure requirements in article 19 of the
Regulation EU 596/2014 (the EU Market Abuse Regulation) and section 5-12 of the
Norwegian Securities Trading Act.