Seascape Energy Regulatory News (SEA)

THIS ANNOUNCEMENT DOES NOT CONTAIN INSIDE INFORMATION FOR THE PURPOSES OF ARTICLE 7 OF REGULATION 596/2014 AS AMENDED AND TRANSPOSED INTO UK LAW IN ACCORDANCE WITH THE EUROPEAN UNION (WITHDRAWAL) ACT 2018 ("UK MAR").

29 June 2026

Seascape Energy Asia plc

("Seascape Energy", the "Company" or "Seascape")

Board Roles and Responsibilities

Seascape Energy, an E&P company focused on Southeast Asia, announces the following changes to the Board of director roles and responsibilities following the recent retirement of Graham Stewart at the Company's Annual General Meeting on 25 June 2026.

Geraldine Murphy, who joined the Seascape board in June 2024 at the time of the Company's pivot to Southeast Asia, has been appointed Senior Independent Director in addition to her role as Chair of the Audit Committee.

Michael (Mike) Buck, who joined the Company's board in early 2026, has been appointed Chair of the Remuneration Committee.

Ends

Seascape Energy Asia plc IR@seascape-energy.com

James Menzies (Executive Chairman)

Nick Ingrassia (Chief Executive)

Pierre Eliet (Executive Director)

Stifel (Nomad and Joint Broker) Tel: +44 20 7710 7600

Callum Stewart

Simon Mensley

Ashton Clanfield

Cavendish Capital Markets Limited (Joint Broker) Tel: +44 20 7397 8900

Neil McDonald

Pete Lynch