Holding(s) in Company

For filings with the FCA include the annex

For filings with issuer exclude the annex

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

GB00B0FVQX23

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

An acquisition or disposal of voting rights

n/a

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

n/a

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

n/a

An event changing the breakdown of voting rights

n/a

Other (please specify):

Disclosure due to the implementation of Directive 2013/50/EU ("TD2")

Yes

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

UBS Investment Bank

UBS Group AG

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

UBS AG London Branch

UBS Limited

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

26 November 2015

6. Date on which issuer notified:

30 November 2015

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

6% (Section A)

4% (Sections B + C)

10% (Sections A + B +C)

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 xi

Indirect xii

Direct

Indirect

GB00B0FVQX23

26,733,578

26,733,578

-

-

17,175,626

-

5.79%

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

Right to recall lent shares

-

Anytime

9,613,693

3.24%

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

Equity Swaps

-

02.12.2016

25.09.2017

-

3,811,812

Nominal

Delta

-

1.29%

Total (A+B+C)

Number of voting rights

Percentage of voting rights

30,601,131

10.32%

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

UBS Group AG is a group holding company for UBS Investment Bank business. Voting rights are held through its controlled undertakings as set out below.

UBS AG:

- directly through its branches: UBS AG London Branch - 29,373,427 (9.91%); and

- indirectly through its subsidiaries: UBS Limited - 1,227,704 (0.41%)

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:

Konstantina Georgaki / Akvile Budrikaite

15. Contact telephone number:

+41 44 239 4071