Holding(s) in Company

Gulf Keystone Petroleum Ld
06 December 2006


Holding in Company

Gulf Keystone Petroleum Limited ('Gulf Keystone')

Gulf Keystone was informed on 6 December 2006 that FMR Corp., and its direct and
indirect subsidiaries, and Fidelity International Limited, and its direct and
indirect subsidiaries, both being non-beneficial holders, had increased their
shareholding by 3,100,000 ordinary shares to 14,285,000 ordinary shares,
representing 5.19% of the current issued ordinary share capital of Gulf
Keystone.



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