TR-1 Notification of major interest in shares

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

Exillon Energy PLC ( TIDM: EXI)

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

X

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

An event changing the breakdown of voting rights

Other (please specify):

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

Worldview EHS International Master Fund

PO BOX 309

Ugland House

Grand Cayman KY1-1104

Cayman Islands

("Fund").

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

A nominee entity of UBS Securities LLC ("UBS") (which the prime broker in relation to) is a nominee shareholder of 5,991,879 shares in the issuer; and

A nominee entity of Credit Suisse Securities (Europe) Limited ("Credit Suisse") (which is the prime broker in relation to) is a nominee shareholder of 11,555,058 shares in the issuer.

Interactive Broker LLC is a nominee shareholder of 3,533,413 shares in the issuer.

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

28th December 2012

6. Date on which issuer notified:

2nd January 2013

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

Threshold of 13% of the entire issued share capital of the issuer exceeded.

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

ordinary shares in the capital of the issuer with a nominal value of US$0.0000125

20,951,416

12.97%

17,546,937

3,533,413

10.86%

2.18%

ISIN CODE: IM00B58FMW76

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

Voting Rights Agreements

n/a

Ongoing

n/a

3,420,574 (or 2.118%) and 112,839 (or 0.07%) of the share capital of the issuer (total 3,533,413 or 2.18%)

Nominal

Delta

n/a

n/a

Total (A+B+C)

Number of voting rights

Percentage of voting rights

21,080,350 (direct and indirect)

13.05%(direct and indirect)

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:

n/a

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

n/a

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

n/a

13. Additional information:

Worldview Capital Management SA is the investment manager ("Investment Manager") for Worldview EHS International Master Fund ("Fund"). Worldview Capital Management LLP ("LLP") is a sub-advisor to the Investment Manager.

The interest in 10.86% of shares in the issuer is held through nominees of UBS and Credit Suisse (as prime brokers). Interests in 2.18% of the shares are held through the voting rights agreements identified in paragraph C above.

The voting rights agreements provide that the Investment Manager is entitled to exercise all voting rights (in accordance with DTR 5.2.1R (h)), although it is not permitted to acquire any shares. We note the definition of qualifying financial instruments in the FSA Handbook which the voting rights agreement does not strictly fall within, however, pursuant to DTR 5.1.2 R a notification is required and the exemptions provided in DTR 5.1.3R do not apply. Accordingly, for the purpose of this disclosure the voting rights agreements have been treated as financial instruments with similar economic effect.

14. Contact name:

Umesh Mittal

15. Contact telephone number:

020 3551 7661