Rockhopper Regulatory News (RKH)

TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARESi

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

Rockhopper Exploration PLC

Sedol: B0FVQX2GB

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

An acquisition or disposal of voting rights

No

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

Yes

Other (please specify):

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

Majedie Asset Management Limited

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

Majedie UK Equity Fund

Majedie UK Smaller Companies Fund

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

19 January 2016

6. Date on which issuer notified:

22 January 2016

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

Under 5%

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

GB00B0FVQX23

20044687

20044687

20044687

4.39

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

20044687

4.39

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

Proxy Voting:

10. Name of the proxy holder:

11. Number of voting rights proxy holder will cease to hold:

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

13. Additional information:

Majedie Asset Management Limited is a discretionary Fund Manager. It invests funds on behalf of its clients on a segregated basis as well as through sub-funds of its pooled vehicles, Majedie Asset Management Investment Fund Company and Majedie Asset Management (International) Investment Fund Company Plc.

It is also the manager of the Majedie Institutional Trust.

14. Contact name:

Daniel Kundnani

15. Contact telephone number:

020 7618 3974