28 June 2024                                        

Gulf Keystone Petroleum Ltd. (LSE: GKP)

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

Transaction in Own Shares

Gulf Keystone, a leading independent operator and producer in the Kurdistan Region of Iraq, announces that on 27 June 2024, it purchased 125,000 common shares of US$1.00 each in the Company ("Shares") on the London Stock Exchange through Canaccord Genuity Limited in accordance with the terms of its share buyback programme announced on 13 May 2024 and 21 June 2024  (the "Buyback Programme").

The repurchased Shares will be cancelled. Following the cancellation of the repurchased Shares, the Company will have 219,214,194 Shares in issue, with no Shares held in treasury. Therefore, the total number of Shares carrying voting rights will be 219,214,194.

The above figure of 219,214,194 may be used by shareholders as the denominator for the calculations by which they will determine if they are required to notify their interest in, or a change to their interest in, the Company under the FCA's Disclosure Guidance and Transparency Rules.

In accordance with Article 5(1)(b) of Market Abuse Regulation (EU) No 596/2014 (as it forms part of UK law pursuant to the European Union (Withdrawal) Act 2018), the table below contains detailed information of the individual trades made by Canaccord Genuity Limited on 27 June 2024 as part of the Buyback Programme.

Individual transactions:

Enquiries:

Further information on Gulf Keystone is available on its website: www.gulfkeystone.com