Gulf Keystone Petroleum ABOUT OPERATIONS INVESTORS ESG CONTACT Investors Financial calendar Previous Events 18 Jun 2021 - Annual General Meeting 02 Sep 2021 - Half Year Results Announcement 31 Mar 2021 - 2020 Full Year Results Announcement 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 Securities Information LSE Listed Securities The Company’s shares are admitted, with a standard listing, to the Official List of the United Kingdom Listing Authority and to trading on the London Stock Exchange plc’s (“LSE”) main market for listed securities (“Main Market”). Gulf Keystone is a Bermudan incorporated company. To view the Main Market Admission Prospectus please click here As at 8 June 2021 the Company’s issued share capital consists of 213,731,117 common shares with no further shares held in Treasury. American Depository Receipts ADR Overview Gulf Keystone has had an American Depositary Receipt (“ADR’s”) programme in the United States since December 2008. Programme Information Trading ADR Frequently Asked Questions Bond Issue On 25 July 2018, the Company successfully completed the settlement of a 5 year senior unsecured $100m bond issue (“the Notes”). The Notes carry a 10 percent fixed semi-annual coupon and the proceeds were used to refinance the Company’s then existing $100m Guaranteed Notes due 2021. The Notes are listed on the Nordic ABM of the Oslo Stock Exchange. 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