27th Feb 2008 10:02
Rockhopper Exploration plc27 February 2008 Rockhopper Exploration PLC ("the Company") Notifiable Interest A form TR-1 containing the following information has been received by theCompany. TR-1 notification of major interests in shares 1. Identity of the issuer or the underlying issuer of existing shares to whichvoting rights are attached: Rockhopper Exploration PLC 2. Reason for the notification An acquisition or disposal of voting rights 3. Full name of person(s) subject to the notification obligation: RAB CAPITAL PLC 4. Full name of shareholder(s) (if different from 3): CREDIT SUISSE CLIENT NOMINEES (UK) LIMITED 5. Date of the transaction (and date on which the threshold is crossed orreached if different): 25/02/2008 6. Date on which issuer notified: 26/02/2008 7. Threshold(s) that is/are crossed or reached: 5% 8. Notified details: A: Voting rights attached to sharesClass/type Situation previous Resulting situation after the triggering transactionof shares to Triggering transactionif possible Notification required under DTR transitionalusing ISIN provision 7CODE Number of Number Number of Number of voting rights % of voting Shares of shares rights Voting Rights Direct Direct Indirect Direct Indirect ORDINARY 5,707,080 7.54% 3,257,080 3,257,080 350,000 4.30 0.46SHARESGB00B0FVQX23 B: Financial InstrumentsResulting situation after the triggering transactionType of Expiration Exercise/ Number of voting rights that may % offinancial date Conversion be acquired if the instrument is votinginstrument Period/ Date exercised/ converted rightsN/A N/A N/A N/A N/A Total (A+B)Number of voting rights % of voting rights3,607,080 (1,264,770 + 1,992,310 + 350,000) 4.76 9. Chain of controlled undertakings through which the voting rights and/or thefinancial instruments are effectively held, if applicable: RAB Capital plc does not act as custodian for its clients and therefore theshares are held in the nominee name of the custodian of its clients, which isCREDIT SUISSE CLIENT NOMINEES (UK) LIMITED. 10. Name of the Proxy holder: N/A 11. Number of voting rights proxy holder will cease to hold: N/A 12. Date on which proxy holder will cease to hold voting rights: N/A 13. Additional information: N/A 14. Contact name: N/A 15. Contact telephone number: N/A For further information contact: Rockhopper Exploration plc Sam Moody 01722 414419 Aquila Financial LimitedPeter Reilly 0118 979 4100 This information is provided by RNS The company news service from the London Stock ExchangeRelated Shares:
Rockhopper