Holding(s) in Company

Westmount Energy Limited
03 December 2007



TR-1: NOTIFICATION OF MAJOR INTERESTS IN SHARES

1. Identity of the issuer or the underlying issuer     Westmount Energy
of existing shares to which voting rights are     
attached:
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2. Reason for the notification (please tick the appropriate box or boxes)
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An acquisition or disposal of voting rights                    X

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

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An event changing the breakdown of voting rights                X

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Other (please specify):________________                                    
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3. Full name of person(s) subject to the              Hargreave Hale Limited
notification obligation:                               

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

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5. Date of the transaction (and date on which the          30 November 2007
threshold is crossed or reached if different):           

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6. Date on which issuer notified:                          3 December 2007

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7. Threshold(s) that is/are crossed or reached:                13%

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8. Notified details:
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A: Voting rights attached to shares
Class/type   Situation previous to     Resulting situation after the triggering
of shares    the Triggering            transaction
             transaction
if possible
using the Number of  Number of  Number of shares  Number of voting   %of voting
ISIN CODE Shares     Voting                       rights ix          rights

                     Rights   Direct Indirect   Direct Indirect  Direct Indirect
                     viii                            x       xi 
                                     
Ordinary / 961,000   961,000           971,000           971,000         13.27%
GB00B0S5KR31



B: Financial Instruments
Resulting situation after the triggering transaction xii
Type of     Expiration Exercise/       Number of voting rights that may   %of
financial   date xiii  Conversion      be acquired if the instrument is  voting
instrument             Period/ Date    exercised/ converted.             rights
                       xiv


Total (A+B)
Number of voting rights                      % of voting rights
971,000                                      13.27%




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

610,000 of these shares are for unit trusts operated by Marlborough Fund
Managers Ltd, for which Hargreave Hale manages the investments on a
discretionary basis.

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   The denominator used in calculating the percentage holding is
information:     7,315,000 as reported by the company on 30 November 2007.

14. Contact      David Clueit
name:

15. Contact
telephone
number:          01253 754739

Annex Notification Of Major Interests In Shares xvi

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A: Identity of the person or legal entity subject to the notification obligation

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Full name (including legal form for legal entities)          Hargreave Hale
                                                             Limited
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Contact address (registered office for legal entities)       Marsden House
                                                             4-10 Springfield
                                                             Road
                                                             Blackpool FY1 1 QW
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Phone number                                                 01253 621575

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Other useful information (at least legal representative for
legal persons)
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B: Identity of the notifier, if applicable xvii
Full name

Contact address

Phone number

Other useful information (e.g. functional relationship with the person or
legal entity subject to the notification obligation)

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C: Additional information

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Notes



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            The company news service from the London Stock Exchange