15 September 2026

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

Gulf Keystone Petroleum presenting at energy conference in Oslo

Gulf Keystone, a leading independent operator and producer in the Kurdistan Region of Iraq (“Kurdistan”), is pleased to be attending Pareto Securities’ 33^rd Annual Energy Conference this week in Oslo. Jon Harris, CEO, will be providing a presentation to investors tomorrow at 12:35 CEST. The presentation slides will be made available on GKP’s website.

Following the recent restart of production at the Shaikan Field on 16 August 2026, volumes have returned to full well capacity, with gross average production in September 2026 to date of c.45,500 bopd as at 13 September 2026.

Enquiries:

Gulf Keystone:	+44 (0) 20 7514 1400
Aaron Clark, Head of Investor Relations & Corporate Communications	[email protected]
FTI Consulting	+44 (0) 20 3727 1000
Ben Brewerton Nick Hennis	[email protected]

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