Investor and analyst presentation regarding Gulf Keystone combination with ShaMaran Petroleum

20 October 2026

Gulf Keystone Petroleum Ltd. (LSE & OSE: GKP) ("Gulf Keystone", "GKP", "the Group" or "the Company")

Investor and analyst presentation regarding Gulf Keystone combination with ShaMaran Petroleum

Gulf Keystone is hosting a presentation for investors and analysts at 10:00 BST / 11:00 CEST today regarding the agreed combination of Gulf Keystone with ShaMaran Petroleum.

Sell-side analysts are requested to join the meeting via the dial-in details provided to them separately and ask questions verbally. Investors are encouraged to submit written questions via the webcast.

Link to webcast: https://brrmedia.news/GKPSNM2026

Further information, including the investor presentation and a replay of the conference call, will be provided on www.gulfkeystone.com (http://www.gulfkeystone.com/).

Enquiries:

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

or visit: www.gulfkeystone.com (http://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 (http://www.gulfkeystone.com/)