Holding(s) in Company

Pantheon Resources PLC
30 July 2007


Pantheon Resources Plc

30 July 2007

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:

Pantheon Resources 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:

Barclays PLC

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

Barclays Stockbrokers Ltd

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

25 July 2007

6. Date on which issuer notified:

26 July 2007

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

7% to 8%


8. Notified details:

A: Voting rights attached to shares


Class/type of  Situation previous to the    Resulting situation after the
shares         triggering transaction       triggering transaction



If possible    Number of    Number of       Number of    Number of    % voting
using the ISIN shares       voting          shares       voting       rights
code                        rights                       Rights       Indirect
                                                         Indirect

GB00B125SX82    1,187,225    1,187,225       1,299,925   1,299,925       8.36%



B: Financial Instruments

Resulting situation after the triggering transaction

Type of      Expiration Exercise/     Number of voting rights that may  % voting
financial    date       Conversion    be acquired if this instrument is rights
instrument              Period/Date   exercised/converted





Total (A+B)                                  % of voting rights
Number of voting rights

1,299,925                                    8.36


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

Barclays Stockbrokers Ltd

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:



Geoff Smith



15. Contact telephone number:



020 7116 2913




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