Notice of HY25 Results & Operational Update

13 August 2025

Gulf Keystone Petroleum Ltd. (LSE: GKP)

("Gulf Keystone", "GKP", "the Group" or "the Company")

Notice of 2025 Half Year Results & update on Shaikan Field operations

Gulf Keystone, a leading independent operator and producer in the Kurdistan Region of Iraq, confirms it will be announcing its results for the half year ended 30 June 2025 on Thursday 28 August 2025.

GKP's management team will be hosting a presentation for analysts and investors at 10:00am (BST) via live audio webcast:

https://brrmedia.news/GKP_GY_25

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 pre-submit written questions via the webcast registration page, with the opportunity to submit questions live during the presentation.

A recording of the presentation will be made available on GKP's website.

Update on Shaikan Field operations

Production operations recently restarted at the Shaikan Field following a security assessment and consultation with the Kurdistan Regional Government. A further update on production and sales will be provided as part of the 2025 Half Year Results. The Company continues to actively engage with government stakeholders regarding a resumption of pipeline exports and remains ready to restart as soon as possible, contingent on securing written agreements.

Enquiries:

or visit: www.gulfkeystone.com

Notes to Editors:

Gulf Keystone Petroleum Ltd. (LSE: 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