Holding(s) in Company

1. Identity of the issuer or the underlying issuerof existing shares to which voting rights areattached: ii

ROCKHOPPER EXPLORATION PLC

2 Reason for the notification (please tick the appropriate box or boxes):

An acquisition or disposal of voting rights

An acquisition or disposal of qualifying financial instruments which may result in the acquisition of shares already issued to which voting rights are attached

An acquisition or disposal of instruments with similar economic effect to qualifying financial instruments

An event changing the breakdown of voting rights

X

Other (please specify):

3. Full name of person(s) subject to thenotification obligation: iii

RICHARD FARAS VISICK

4. Full name of shareholder(s)  (if different from 3.):iv

___

5. Date of the transaction and date onwhich the threshold is crossed orreached: v

17 OCTOBER 2011

6. Date on which issuer notified:

19 OCTOBER 2011

7. Threshold(s) that is/are crossed orreached: vi, vii

BELOW 4%

8. Notified details:

A: Voting rights attached to shares viii, ix

Class/type ofshares

if possible usingthe ISIN CODE

Situation previousto the triggeringtransaction

Resulting situation after the triggering transaction

NumberofShares

NumberofVotingRights

Numberof shares

Number of votingrights

% of voting rights x

Direct

Direct xi

Indirect xii

Direct

Indirect

10,492,720

10,492,720

10,492,720

10,492,720

10,492,720

3.69%

B: Qualifying Financial Instruments

Resulting situation after the triggering transaction

Type of financialinstrument

Expirationdate xiii

Exercise/Conversion Period xiv

Number of votingrights that may beacquired if theinstrument isexercised/ converted.

% of votingrights

___

C: Financial Instruments with similar economic effect to Qualifying Financial Instruments xv, xvi

Resulting situation after the triggering transaction

Type of financialinstrument

Exercise price

Expiration date xvii

Exercise/Conversion period xviii

Number of voting rights instrument refers to

% of voting rights xix, xx

Nominal

Delta

Total (A+B+C)

Number of voting rights

Percentage of voting rights

10,492,720

3.69%

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

N/A

Proxy Voting:

10. Name of the proxy holder:

___

11. Number of voting rights proxy holder will ceaseto hold:

___

12. Date on which proxy holder will cease to holdvoting rights:

___

13. Additional information:

___

14. Contact name:

RICHARD FARAS VISICK

15. Contact telephone number:

C/o Bruce Jones (Solicitor)

Bircham, Dyson, Bell

020 778 33525

Note: Annex should only be submitted to the FSA not the issuer

Annex: Notification of major interests in share

A: Identity of the persons or legal entity subject to the notification obligation

Full name

(including legal form of legal entities)

RICHARD FARAS VISICK

Contact address

(registered office for legal entities)

C/o Bruce Jones (Solicitor)

Bircham, Dyson, Bell

29 Abingdon Road, Sandhurst

Berks. GU47 9RN

Phone number & email

020 778 33525

[email protected]

Other useful information

(at least legal representative for legal persons)

___

B: Identity of the notifier, if applicable

Full name

N/A

Contact address

Phone number & email

Other useful information

(e.g. functional relationship with the person or legal entity subject to the notification obligation)

C: Additional information

___

For notes on how to complete form TR-1 please see the FSA website.