Gulf Keystone Petroleum ABOUT OPERATIONS INVESTORS ESG CONTACT Investors Regulatory News and Alerts Regulatory News Email Alerts 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 Summary financials H1 2021 H1 2020 FY 2020 FY 2019 FY 2018 FY 2017 Gross production (bopd) 43,516 37,159 36,625 32,883 31,563 35,298 Brent ($/bbl) 64.9 40.2 42.0 64.6 71.3 54.9 Discount ($/bbl) 21.2 21.1 21.1 21.7 22.3 20.3 Realised price ($/bbl) 43.7 19.1 20.9 42.9 49.0 34.6 Revenue ($m) 130.7 49.9 108.4 206.7 250.6 172.4 Adjusted EBITDA ($m) 93.8 27.5 56.7 122.5 150.1 104.3 Profit/(loss) after tax ($m) 64.8 (33.1) (47.3) 43.5 79.9 14.1 Capital investment ($m) 14.1 38.5 45.9 90.0 35.4 8.1 Net Cash ($m) 85.1 39.2 43.4 86.4 191.2 58.5 Equity Ratio (%) 66 70 69 71 73 72 Gross Opex($/bbl) 2.4 2.6 2.6 3.9 3.2 2.7 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