Holding(s) in Company

Rockhopper Exploration plc
28 March 2007

Rockhopper Exploration PLC ('the Company')

28 March 2007

                              Notifiable Interest

A form TR-1 containing the following information has been received by the
Company.
TR-1 notification of major interests in shares

1. Identity of the issuer or the underlying issuer of existing shares to which
voting rights are attached:

Rockhopper Exploration PLC

2. Reason for the notification

Correction of notification dated 19 March (RNS Number:2392T)

3. Full name of person(s) subject to the notification obligation:

RAB SPECIAL SITUATIONS (MASTER) FUND LTD

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 or
reached if different):

N/A

6. Date on which issuer notified:

20/03/2007 (holding as at 16/03/2007)

7. Threshold(s) that is/are crossed or reached:

ABOVE 3%

8. Notified details:

A: Voting rights attached to shares

Class/   Situation previous to  Resulting situation after the triggering
type of  Triggering             transaction
shares   transaction            Notification required under DTR transitional
if                              provision 7
possible                        
using    Number of   Number of  Number   Number of voting    % of voting
ISIN     Shares      Voting     of       rights              rights
CODE                 Rights     shares
                                Direct   Direct   Indirect   Direct   Indirect
ORDINARY
SHARES   5,829,810   8.09%      N/A      N/A      N/A        8.09%    8.09%

B: Financial Instruments

Resulting situation after the triggering transaction

Type of      Expiration Exercise/     Number of voting rights that may   % of
financial    date       Conversion    be acquired if the instrument is   voting
instrument              Period/       exercised/ converted               rights
                        Date

N/A          N/A        N/A           N/A                                N/A


Total (A+B)

Number of voting rights                      % of voting rights
A ONLY                                       8.09%

9. Chain of controlled undertakings through which the voting rights and/or the
financial instruments are effectively held, if applicable:

RAB Capital plc acts as investment manager for RAB SPECIAL SITUATIONS (MASTER)
FUND LTD. RAB Capital plc does not act as custodian for its clients and
therefore the shares are held in the nominee name of the custodian of its
clients, which is CREDIT 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, please contact:

Rockhopper Exploration plc                 www.rockhopperexploration.co.uk
Sam Moody - Managing Director              01722 414 419

Aquila Financial Ltd                       www.aquila-financial.com
Peter Reilly                               020 7202 2601




                      This information is provided by RNS
            The company news service from the London Stock Exchange
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