Holding(s) in Company

Sterling Energy PLC
17 April 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 issuer of existing shares
to which voting rights are attached:                                             Sterling Energy plc


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):______________
                                                            

3. Full name of person(s) subject to notification
obligation:                                                  Mr Denis O'Brien


4. Full name of shareholder(s) (if different from 3):        Baycliffe Limited (as nominee)


5. Date of transaction (and date on which the threshold is   11 April 2008
crossed or reached if different):


6. Date on which issuer notified:                            14 April 2008


7. Threshold(s) that is/are crossed or reached:              10%





8: Notified Details
A: Voting rights attached to shares


Class/type of shares Situation previous to the        Resulting situation after the triggering transaction
                     triggering transaction
If possible use ISIN Number of shares Number of       Number of       Number of voting rights       Percentage of voting
code                                  voting rights   shares                                        rights


                                                                      Direct            Indirect    Direct     Indirect
GB0005299929         149,682,403      149,682,403     167,186,005     167,186,005       N/A         10.14%     N/A


B: Financial Instruments


Resulting situation after the triggering transaction


Type of financial       Expiration date        Exercise/ conversion    No. of voting rights    Percentage of voting
instrument                                     period/date             that may be acquired    rights
                                                                       (if the instrument
                                                                       exercised/converted)





Total (A+B)


Number of voting rights                                    Percentage of voting rights
167,186,005                                                10.14%


9. Chain of controlled undertakings through which the voting rights and /or the financial instruments are effectively
held, if applicable:
Denis O'Brien holds 32,241,134 shares in his name

Baycliffe Limited holds 134,944,871 as nominee


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:                                           Christopher Tushingham


15. Contact telephone name:                                01624 646 846





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


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