Shareholder information

The Company’s share register is administered by Computershare Investor Services (Jersey) Limited (“Computershare”). Computershare is responsible for maintaining the Company’s register of shareholders and for the distribution of statutory documents such as the Annual Report and Accounts and Notice of Annual General Meetings. View contact details for Computershare.

Computershare is now offering an online portfolio management service to Gulf Keystone shareholders. This service is available from anywhere in the world, 24 hours a day, 7 days a week. With this service Gulf Keystone shareholders can:

• Check details of their shareholdings.
• Update their details online.
• View share trading history and other relevant information.
• Opt for electronic shareholder communication.

By selecting the Investor Centre link below, you will be opening a new window which links to the Computershare web site. Gulf Keystone is not responsible for any information displayed on the Computershare site.

To register for Investor Centre, visit www.investorcentre.co.uk. You will require your SRN number which can be found on your share certificates or recent correspondence with Computershare regarding your Gulf Keystone holding. Your SRN can be found in the following format:

“C0000012345” or “G0000012345”

After registering you will be sent an activation code by post, usually within 2-3 days.