| NOTIFICATION OF MAJOR HOLDINGS (to be sent to the relevant issuer and to the FCA in Microsoft Word format if possible)i |
| |
| 1a. Identity of the issuer or the underlying issuer of existing shares to which voting rights are attachedii: | Gulf Keystone Petroleum Ltd Sedol BYVGFL0 |
| 1b. Please indicate if the issuer is a non-UK issuer (please mark with an “X” if appropriate) |
| | X |
| 2. Reason for the notification (please mark the appropriate box or boxes with an “X”) |
| An acquisition or disposal of voting rights | |
| An acquisition or disposal of financial instruments | |
| An event changing the breakdown of voting rights | X |
| Other (please specify)iii: | |
| 3. Details of person subject to the notification obligationiv |
| Name | 1Lansdowne Partners Austria GmbH 2Lansdowne Partners Cyprus Limited 3Lansdowne Partners International Limited |
| City and country of registered office (if applicable) | Vienna, Austria |
| 4. Full name of shareholder(s) (if different from 3.)v Morgan Stanley Client Securities Nominees Limited a/c "SEG" and Aurora Nominees (Registered Shareholders) |
| Name | n/a |
| City and country of registered office (if applicable) | n/a |
| 5. Date on which the threshold was crossed or reachedvi: | 19/05/2023 |
| 6. Date on which issuer notified (DD/MM/YYYY): | 23/05/2023 |
| 7. Total positions of person(s) subject to the notification obligation |
| | % of voting rights attached to shares (total of 8. A) | % of voting rights through financial instruments (total of 8.B 1 + 8.B 2) | Total of both in % (8.A + 8.B) | Total number of voting rights of issuervii |
| Resulting situation on the date on which threshold was crossed or reached | 14.63% | 14.63 | 14.63% | 222,443,655 |
| Position of previous notification (if applicable) | 15.02% | | 15.02% | |
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