Last checked at 2 Jun 2010 15:35
Not for release, publication or distribution in or into the United States or jurisdictions other than the United Kingdom and Bermuda where to do so would constitute a contravention of the relevant laws of such jurisdiction.
2 June 2010
Gulf Keystone Petroleum Ltd.
("GKP", "Gulf Keystone" or "the Company")
Notification of Major Interest in Shares
Gulf Keystone was notified on 1 June 2010 that the Prudential plc group of companies, following an acquisition of shares in the Company, hold in aggregrate 40,613,000 common shares of $0.01, representing 6.04% of the Company's issued share capital.
Of the above 40,613,000 common shares of $0.01, 35,554,801 common shares of $0.01 are held by M&G Investment Funds 3 which is an Open Ended Investment Company (OEIC), and is not a Prudential group company.
This OEIC Fund is managed by M&G Investment Management Limited (a wholly owned subsidiary of Prudential plc) and attributed to Prudential plc on the basis of direct management control over the OEIC fund's shares.
Enquiries:
| Gulf Keystone Petroleum | +44 (0) 20 7514 1400 |
| Todd Kozel, Executive Chairman |
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| Ewen Ainsworth, Chief Financial Officer |
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| Strand Hanson Limited | +44 (0)20 7409 3494 |
| Simon Raggett / Rory Murphy / James Harris |
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| Mirabaud Securities LLP | +44 (0)20 7878 3362 |
| Peter Krens |
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| Brunswick Group LLP | +44 (0) 20 7404 5959 |
| Patrick Handley / Elizabeth Adams / Natalia Erikssen |
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or visit: www.gulfkeystone.com
Not for release, publication or distribution, directly or indirectly, in or into the United States or jurisdictions other than the United Kingdom and Bermuda where to do so would constitute a contravention of the relevant laws of such jurisdiction. This document (and the information contained herein) does not contain or constitute an offer of securities for sale, or solicitation of an offer to purchase securities, in the United States or jurisdictions other than the United Kingdom and Bermuda where to do so would constitute a contravention of the relevant laws of such jurisdiction. The securities referred to herein have not been and will not be registered under the US Securities Act of 1933, as amended (the "Securities Act"), and may not be offered or sold in the United States unless the securities are registered under the Securities Act, or an exemption from the registration requirements of the Securities Act is available. No public offering of the securities will be made in the United States.