Holding(s) in Company

Sterling Energy PLC
01 May 2008


Form TR-1 with annex. FSA Version 2.1 updated April 2007

+----------------------------------------+
|For filings with the FSA include the    |
|annex                                   |
|                                        |
|For filings with issuer exclude the     |
|annex                                   |
+----------------------------------------+

+-----------------------------------------------------------------------------+
|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:                           |Ord 1p                         |
+-----------------------------------------------+-------------------------------+
|                                                                               |
|                                                                               |
|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 Shares in Issue                 |          |
+---------------------------------------+----------------------------+----------+
|                                       |                                       |
|3. Full name of person(s) subject to   |BlackRock Inc.                         |
|notification obligation:               |                                       |
+---------------------------------------+---------------------------------------+
|                                       |                                       |
|4. Full name of shareholder(s) (if     |                                       |
|different from 3):                     |                                       |
+---------------------------------------+---------------------------------------+
|                                       |                                       |
|5. Date of transaction (and date on    |29 April 2008                          |
|which the threshold is crossed or      |                                       |
|reached if different):                 |                                       |
+---------------------------------------+---------------------------------------+
|                                       |                                       |
|6. Date on which issuer notified:      |1 May 2008                             |
+---------------------------------------+---------------------------------------+
|                                       |                                       |
|7. Threshold(s) that is/are crossed or |Gone below 5%                          |
|reached:                               |                                       |
+---------------------------------------+-------+--------------------+----------+

+---------------------------------------------------------------------------------+
|8: Notified Details                                                              |
+---------------------------------------------------------------------------------+
|A: Voting rights attached to shares                                              |
|                                                                                 |
|                                                                                 |
+--------------+---------------------+--------------------------------------------+
|Class/type of |Situation previous to|Resulting situation after the triggering    |
|shares        |the triggering       |transaction                                 |
|              |transaction          |                                            |
|If possible   +----------+----------+--------+------------------+----------------+
|use ISIN code |Number of |Number of |Number  |Number of voting  |Percentage of   |
|              |shares    |voting    |of      |rights            |voting rights   |
|              |          |rights    |shares  |                  |                |
|              |          |          |        +-------+----------+------+---------+
|              |          |          |        |       |          |      |         |
|              |          |          |        |       |          |      |         |
|              |          |          |        |Direct |Indirect  |Direct|Indirect |
+--------------+----------+----------+--------+-------+----------+------+---------+
|GB0005299929  |80,665,290|80,665,290|n/a     |n/a    |73,778,889|n/a   |4.47%    |
+--------------+----------+----------+--------+-------+----------+------+---------+

+--------------------------------------------------------------------------------+
|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           |
+--------------------------------------+--------------------------------------+
|73,778,889                            |4.47%                                 |
+--------------------------------------+--------------------------------------+

+-----------------------------------------------------------------------------+
|9. Chain of controlled undertakings through which the voting rights and /or  |
|the financial instruments are effectively held, if applicable:               |
+-----------------------------------------------------------------------------+
|                                                                             |
|                                                                             |
|BlackRock Investment Management (UK) Limited - 73,778,889 (4.47%)            |
|                                                                             |
|                                                                             |
+-----------------------------------------------------------------------------+

+-----------------------------------------------------------------------------+
|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:                      |Louise Lyle                           |
|                                      |                                      |
|                                      |                                      |
+--------------------------------------+--------------------------------------+
|15. Contact telephone name:           |0131 472 7472                         |
|                                      |                                      |
|                                      |                                      |
+--------------------------------------+--------------------------------------+


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



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