Avance Gas Holding Ltd: Mandatory notification of trade by primary insiders

Avance Gas Holding Ltd
Hamilton, Bermuda

February 18, 2025

Øystein Kalleklev, CEO of Avance Gas AS and Board member of Avance Gas Holding
Ltd, has on February 18, sold 50,000 shares in Avance Gas Holding Ltd as described in attachments.

Mr Kalleklev has no further shares in Avance Gas Holding Ltd.

Please see the attached form for notification and public disclosure of transaction.

For further information, please contact:

Investor and Analyst Contact: Randi Navdal Bekkelund, Chief Financial Officer of
Avance Gas

Tel: +47 23 11 40 00

Media Contact: Øystein Kalleklev, Chief Executive Officer of Avance Gas

Tel: +47 23 11 40 00

This information is subject to the disclosure requirements pursuant to Section 5-12 the Norwegian Securities Trading Act