PGS ASA - Disclosure of large shareholdings under the Securities Trading Act

Name of the person obliged to notify: UBS Group AG

Residing at: Bahnhofstrasse 45
CH-8001 Zurich

Date of event: October, 25th 2023

Event triggering the notification: Disposal of shares

Total new holding: 42’844’028 shares representing 4.48% of the 955’310’440 voting rights and of the share capital held indirectly by UBS Group AG and directly by its subsidiaries: UBS AG, UBS Switzerland AG, UBS Asset Management (UK) Limited, UBS Fund Management (Switzerland) AG and Credit Suisse Funds AG.