Holding(s) in Company

Pantheon Resources PLC
10 July 2007


Pantheon Resources Plc


10 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):


4 July 2007


6. Date on which issuer notified:


5 July 2007


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


8% to 7%


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    1,245,714    1,245,714       1,242,815    1,242,815       7.99%




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
1,242,815                                    7.99



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:


N/A


11. Number of voting rights proxy holder will cease to hold:


N/A


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


N/A


13. Additional information:


N/A


14. Contact name:


Justin Hondris


15. Contact telephone number:

020 7379 0118






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