GKP shares trade ex-dividend today

Gulf Keystone announces that its shares will trade ex-dividend as from today, 9 April 2026, reflecting the recently declared interim dividend as detailed below.

Distribution amount: $0.0575 per Common Share Declared currency: USD Date of approval: 18 March 2026 Ex-dividend date: 9 April 2026 Record date: 10 April 2026 Payment date: 27 April 2026

Enquiries

Gulf Keystone: Aaron Clark, Head of Investor Relations & Corporate Communications aclark@gulfkeystone.com +44 (0) 20 7514 1400

or visit: www.gulfkeystone.com

Notes to Editors:

Gulf Keystone Petroleum Ltd. (LSE & OSE: GKP) is a leading independent operator and producer in the Kurdistan Region of Iraq. Further information on Gulf Keystone is available on its website www.gulfkeystone.com

This information is published in accordance with the requirements of the Euronext Growth Oslo Rule Book Part II.