Interests in shares

1. Identity of the issuer or the underlying issuer of existing shares to which voting rights are attached:

MATRA PETROLEUM PLC

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

An acquisition or disposal of voting rights

X

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

An event changing the breakdown of voting rights

Other (please specify): ___________

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

MACQUARIE GROUP LIMITED

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

MACQUARIE BANK LIMITED

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

1 OCTOBER 2010

6. Date on which issuer notified:

5 OCTOBER 2010

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

3%

8. Notified details:

Nominee holdings

A: Voting rights attached to shares

Class/type of shares

 if possible using the ISIN CODE

Situation previous to the Triggering transaction

Resulting situation after the triggering transaction

Number of Voting Rights

Number of shares

Number of voting rights

% of voting rights

Direct

Indirect

Direct

Indirect

GB00B06GS855

42,500,000

42,500,000

BELOW 3%

BELOW 3%

0

BELOW 3%

0.00%

B: Financial Instruments

Resulting situation after the triggering transaction

Type of financial instrument

Expiration date

Exercise/ Conversion Period/ Date

Number of voting rights that may be acquired if the instrument is exercised/ converted.

% of voting rights

Total (A+B)

Number of voting rights

% of voting rights

BELOW 3%

BELOW 3%

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

MACQUARIE BANK LIMITED IS THE HOLDER OF A MAJOR INTEREST IN MATRA PETROLEUM PLC.

MACQUARIE BANK LIMITED IS A WHOLLY-OWNED SUBSIDIARY OF MACQUARIE BH PTY LTD.

MACQUARIE BH PTY LTD IS A WHOLLY-OWNED SUBSIDIARY OF MACQUARIE GROUP LIMITED.

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:

14. Contact name:

JOHANNA UY

15. Contact telephone number:

+44 2030374339