Holding(s) in 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:

Exillon Energy plc

2. Reason for the notification (please state Yes/No):

An acquisition or disposal of voting rights: (Yes)

An acquisition or disposal of financial instruments which may result in the acquisition of shares already issued to which voting rights are attached: (No)

An event changing the breakdown of voting rights: (No)

Other (please specify): (No)

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

Capital Research and Management Company

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

-

5. Date of the transaction (and date on which the threshold is crossed or reached if different):

25 May 2010

6. Date on which issuer notified:

26 May 2010 (received 11 June 2010)

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

Above 5%

8 Notified details:

A: Voting rights attached to shares

Class/type of shares if possible Situation previous to the

Using the ISIN Code triggering transaction:

No of No of

Shares voting rights

Ordinary

IM00B58FMW76 4,016,660 4,016,660

Resulting situation after triggering the transaction:

Class/type of shares No of shares No of voting rights % of voting rights

if possible using

the ISIN Code Direct Indirect Direct Indirect Direct Indirect

Ordinary

IM00B58FMW76 - 6,766,660 - 6,766,660 - 5.3909%

B: Qualifying Financial Instruments

Resulting situation after the triggering transaction

Type of Expiration Exercise/ Number of voting % of voting

Financial date conversion rights that may be rights

Instrument period/date acquired if the

instrument is

Exercised/converted

N/a - - - -

C: Financial Instruments with similar economic effect to Qualifying Financial Instruments

Resulting situation after the triggering transaction

Type of Exercise Expiration Exercise/ Number of voting % of voting

Financial price date conversion rights instrument rights

Instrument period refers to

Nominal Delta

N/a - - - - - -

Total (A+B+C)

Number of voting rights % of voting rights

6,766,660 5.3909%

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

-

Proxy Voting

10. Name of 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:

-

14. Contact name:

Not stated

15. Contact telephone number:

Not stated