Gulf Keystone Petroleum ABOUT OPERATIONS INVESTORS ESG CONTACT Investors Shareholder analysis As at 15 October 2021 the Company’s issued share capital consists of 213,731,117 common shares with no further shares held in Treasury. Ranking Investor Name % 1 Lansdowne Partners Austria 15.22 2 F van Lanschot Bankiers 11.19 3 UBS Group AG 5.25 4 Mr Gertjan Koomen 4.71 5 BlackRock Inc 4.62 6 Precision Capital 4.24 7 Hargreaves Lansdown PLC 4.10 8 Interactive Investor Trading 4.03 9 Dimensional Fund Advisors 3.73 10 Barclays Bank 3.16 The Company’s share register analysis was provided by Orient Capital, based on information available at the time of publication. Investment Case Results Centre Summary Financials Regulatory News and Alerts Share Price Information Dividend Information Presentations Documents and Circulars Shareholder Analysis Shareholder Information Securities Information Financial Calendar Analyst Coverage Advisers Gulf Keystone Petroleum Ltd. (Bermuda) c/o Coson Corporate Services Ltd. Cedar House, 3rd Floor 41 Cedar Avenue Hamilton HM12 +1 441 295 4630 Gulf Keystone Petroleum International Ltd. (Iraq) 3rd Floor, UB Centre Bakhtyari Erbil Kurdistan Region of Iraq +964 750 755 3111 Gulf Keystone Petroleum (UK) Ltd. (UK) 6th Floor, New Fetter Place 8-10 New Fetter Lane London EC4A 1AZ +44 (0) 207 514 1400 +44 (0) 207 514 1427 Disclaimer Privacy and Cookie Policy Accessibility Website by BRIGHTER*IR

Gulf Keystone Petroleum ABOUT OPERATIONS INVESTORS ESG CONTACT Investors Stakeholder engagement is a priority for Gulf Keystone. The Company aims to engage in dialogue across all stakeholder groups via a number of platforms. Share Price READ MORE Investment Case READ MORE Regulatory News SEE ALL Half Year 2021 Highlights 43,516 bopd gross average production $94m Adjusted EBITDA $50m Declared dividend $190m Cash balance Half Year Results 2021 Presentation Report Webcast Investment Case Results Centre Summary Financials Regulatory News and Alerts Share Price Information Dividend Information Presentations Documents and Circulars Shareholder Analysis Shareholder Information Securities Information Financial Calendar Analyst Coverage Advisers Gulf Keystone Petroleum Ltd. (Bermuda) c/o Coson Corporate Services Ltd. Cedar House, 3rd Floor 41 Cedar Avenue Hamilton HM12 +1 441 295 4630 Gulf Keystone Petroleum International Ltd. (Iraq) 3rd Floor, UB Centre Bakhtyari Erbil Kurdistan Region of Iraq +964 750 755 3111 Gulf Keystone Petroleum (UK) Ltd. (UK) 6th Floor, New Fetter Place 8-10 New Fetter Lane London EC4A 1AZ +44 (0) 207 514 1400 +44 (0) 207 514 1427 Disclaimer Privacy and Cookie Policy Accessibility Website by BRIGHTER*IR