Last checked at 25 Aug 2009 07:00
Not for release, publication or distribution in or into jurisdictions other than the United Kingdom and Bermuda where to do so would constitute a contravention of the relevant laws of such jurisdiction
25 August 2009
GULF KEYSTONE PETROLEUM LIMITED
("Gulf Keystone" or "the Company")
Notification of Major Interests in Shares
Pursuant to Paragraph 168.2 of the Bye-Laws of the Company, Gulf Keystone was notified of the following significant interests in shares as at 14 August 2009:
| Shareholder | Number of common shares | Percentage of issued share capital |
| Blakeney Management | 42,634,254 | 8.91% |
| Gulf Keystone Petroleum LLC (a) | 40,000,000 | 8.36% |
| Capital Research & Management Co | 38,100,000 | 7.96% |
| Gokana Trust (formerly referred to as Emerald Trust) | 30,750,000 | 6.43% |
| Gibca | 20,000,000 | 4.18% |
(a) TF Kozel and AA Al Qabandi are shareholders in Gulf Keystone Petroleum LLC
The Company was also notified of the following major decreases in significant interests in shares as at 14 August 2009:
| Shareholder | Number of common shares | Percentage of issued share capital |
| Gartmore Investment Managers | Nil | Nil |
| RAB Capital | 5,141,482 | 1.07% |
| Gulf Keystone Petroleum: Todd Kozel, Executive Chairman & Chief Executive Officer Ewen Ainsworth, Finance Director
| +44 (0) 20 7514 1400 |
| RBC Capital Markets: Sarah Wharry
| + 44 (0) 20 7653 4667 |
| Tristone Capital Limited: Simon Ashby-Rudd Majid Shafiq
| +44 (0) 20 7355 5800 |
| Brunswick Group LLP: Patrick Handley
| +44 (0) 20 7404 5959 |
or visit: www.gulfkeystone.com