Holding(s) in Company

Sterling Energy PLC
22 January 2008

+-----------------------------------------------------------------------------+
|TR-1: Notifications of Major Interests in Shares                             |
+-----------------------------------------------------------------------------+

+-----------------------------------------------+-------------------------------+
|                                               |                               |
|1. Identity of the issuer or the underlying    |Sterling Energy plc            |
|issuer of existing shares to which voting      |                               |
|rights are attached:                           |                               |
+-----------------------------------------------+-------------------------------+
|                                                                               |
|                                                                               |
|2. Reason for notification (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                                                        |          |
+--------------------------------------------------------------------+----------+
|                                                                    |          |
|An event changing the breakdown of voting rights                    |          |
+--------------------------------------------------------------------+----------+
|                                                                    |          |
|Other (please specify): Increase in share capital                   |          |
+---------------------------------------+----------------------------+----------+
|                                       |                                       |
|                                       |                                       |
|3. Full name of person(s) subject to   |INVESCO Limited                        |
|notification obligation:               |                                       |
+---------------------------------------+---------------------------------------+
|                                       |                                       |
|4. Full name of shareholder(s) (if     |                                       |
|different from 3):                     |                                       |
+---------------------------------------+---------------------------------------+
|                                       |                                       |
|5. Date of transaction (and date on    |15 January 2008                        |
|which the threshold is crossed or      |                                       |
|reached if different):                 |                                       |
+---------------------------------------+---------------------------------------+
|                                       |                                       |
|6. Date on which issuer notified:      |16 January 2008                        |
+---------------------------------------+---------------------------------------+
|                                       |                                       |
|7. Threshold(s) that is/are crossed or |29%                                    |
|reached:                               |                                       |
+---------------------------------------+-------+--------------------+----------+
+-----------------------------------------------------------------------------------------------+
|8: Notified Details                                                                            |
+-----------------------------------------------------------------------------------------------+
|A: Voting rights attached to shares                                                            |
|                                                                                               |
+---------------+-----------------------+-------------------------------------------------------+
|Class/type of  |Situation previous to  |Resulting situation after the triggering transaction   |
|shares         |the triggering         |                                                       |
|               |transaction            |                                                       |
|If possible use+-----------+-----------+-----------+----------------------+--------------------+
|ISIN code      |Number of  |Number of  |Number of  |Number of voting      |Percentage of voting|
|               |shares     |voting     |shares     |rights                |rights              |
|               |           |rights     |           +----------+-----------+----------+---------+
|               |           |           |           |          |           |          |         |
|               |           |           |           |          |           |          |         |
|               |           |           |           |Direct    |Indirect   |Direct    |Indirect |
+--------------++----------++----------++----------++---------++----------++---------++---------+
|Ordinary      |475,906,325|475,906,325|480,906,325|          |480,906,325|          |29.14%    |
|shares of 1p  |           |           |           |          |           |          |          |
|each          |           |           |           |          |           |          |          |
|(GB0005299929)|           |           |           |          |           |          |          |
+--------------++----------++----------++----------++---------++----------++---------++---------+
+--------------------------------------------------------------------------------+
|B: Financial Instruments                                                        |
|                                                                                |
+--------------------------------------------------------------------------------+
|Resulting situation after the triggering transaction                            |
|                                                                                |
+---------------+---------------+---------------+----------------+---------------+
|Type of        |Expiration date|Exercise/      |No. of voting   |Percentage of  |
|financial      |               |conversion     |rights that may |voting rights  |
|instrument     |               |period/date    |be acquired (if |               |
|               |               |               |the instrument  |               |
|               |               |               |exercised/      |               |
|               |               |               |converted)      |               |
+---------------+---------------+---------------+----------------+---------------+
|               |               |               |                |               |
|               |               |               |                |               |
+---------------+---------------+---------------+----------------+---------------+
+-----------------------------------------------------------------------------+
|Total (A+B)                                                                  |
|                                                                             |
|                                                                             |
+--------------------------------------+--------------------------------------+
|Number of voting rights               |Percentage of voting rights           |
+--------------------------------------+--------------------------------------+
|480,906,325                           |29.14%                                |
+--------------------------------------+--------------------------------------+
+-----------------------------------------------------------------------------+
|9. Chain of controlled undertakings through which the voting rights and /or  |
|the financial instruments are effectively held, if applicable:               |
+-----------------------------------------------------------------------------+
|                                                                             |
|                                                                             |
|Bank of Ireland                       - 4,138,800                            |
|Bank of New York                      - 1,571,062                            |
|Bank of New York (Brussels)           - 815,771                              |
|Chase Bank                            - 2,397,884                            |
|JP Morgan Chase                       - 34,460,590                           |
|Vidacos Nominees                      - 429,617,569                          |
|HSBC                                  - 6,517,394                            |
|Japan Trustee Services Bank           - 42,086                               |
|State Street Trust & Banking (London) - 2,257,925                            |
|Trust & Custody Servs JP              - 87,244                               |
|                                                                             |
+-----------------------------------------------------------------------------+

+-----------------------------------------------------------------------------+
|Proxy Voting:                                                                |
|                                                                             |
|                                                                             |
+--------------------------------------+--------------------------------------+
|10. Name of 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:                      |Rosalind McDonald                     |
|                                      |                                      |
+--------------------------------------+--------------------------------------+
|15. Contact telephone name:           |01491 417 404                         |
|                                      |                                      |
+--------------------------------------+--------------------------------------+


For notes on how to complete form TR-1 please see the FSA website.



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