Holding(s) in Company

Westmount Energy Limited
03 April 2008



TR-1: notification of major interests in shares

+---------------------------------------------+------------------------------+
|1. Identity of the issuer or the underlying  |Westmount Energy              |
|issuer of existing shares to which voting    |                              |
|rights are attached:                         |                              |
+---------------------------------------------+----------------------+-------+
|2. Reason for the notification (please tick the appropriate box or  |       |
|boxes)                                                              |       |
+--------------------------------------------------------------------+-------+
|An acquisition or disposal of voting rights                         |       |
+--------------------------------------------------------------------+-------+
|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                    |   X   |
+--------------------------------------------------------------------+-------+
|Other (please specify):________________                             |       |
+---------------------------------------------+----------------------+-------+
|3. Full name of person(s) subject to the     |    Hargreave Hale Limited    |
|notification obligation:                     |                              |
+---------------------------------------------+------------------------------+
|4. Full name of shareholder(s) (if different |    Discretionary clients     |
|from 3.):                                    |                              |
+---------------------------------------------+------------------------------+
|5. Date of the transaction (and date on which|         1 April 2008         |
|the threshold is crossed or reached if       |                              |
|different):                                  |                              |
+---------------------------------------------+------------------------------+
|6. Date on which issuer notified:            |         2 April 2008         |
+---------------------------------------------+------------------------------+
|7. Threshold(s) that is/are crossed or       |             16%              |
|reached:                                     |                              |
+---------------------------------------------+------------------------------+
|8. Notified details:                         |                              |
+---------------------------------------------+----------------------+-------+
+---------------------------------------------+----------------------+-------+
+------------------------------------------------------------------------------------+
|A: Voting rights attached to shares                                                 |
+------------+-------------------+---------------------------------------------------+
|Class/type  |Situation previous |Resulting situation after the triggering           |
|of shares   |to 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   +------+---------+--------+---------+------+--------+
|            |         |viii     |Direct|Indirect |Direct x|Indirect |Direct|Indirect|
|            |         |         |      |         |        |xi       |      |        |
+------------+---------+---------+------+---------+--------+---------+------+--------+
|Ordinary /  |1,133,500|1,133,500|      |1,133,500|        |1,133,500|      |16.16%  |
|            |         |         |      |         |        |         |      |        |
|GB00B0S5KR31|         |         |      |         |        |         |      |        |
|            |         |         |      |         |        |         |      |        |
|            |         |         |      |         |        |         |      |        |
+------------+---------+---------+------+---------+--------+---------+------+--------+

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

+-----------------------------------------------------------------------------+
|Total (A+B)                                                                  |
+-------------------------------------+---------------------------------------+
|Number of voting rights              |% of voting rights                     |
+-------------------------------------+---------------------------------------+
|1,133,500                            |16.16%                                 |
+-------------------------------------+---------------------------------------+
+-----------------------------------------------------------------------------+
|9. Chain of controlled undertakings through which the voting rights and/or   |
|the financial instruments are effectively held, if applicable xv:            |
+-----------------------------------------------------------------------------+
|700,000 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 information:     |The denominator used in calculating the     |
|                                |percentage holding is 7,015,300 as reported |
|                                |by the company on 1 April 2008.             |
+--------------------------------+--------------------------------------------+
|14. Contact name:               |David Clueit                                |
|                                |                                            |
|                                |                                            |
+--------------------------------+--------------------------------------------+
|15. Contact telephone number:   |01253 754739                                |
|                                |                                            |
|                                |                                            |
|                                |                                            |
|                                |                                            |
+--------------------------------+--------------------------------------------+




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