Holding(s) in Company

Sterling Energy PLC
07 September 2005


                      Sterling Energy PLC (the 'Company')

                               Holding in Company



The Company was informed on 5 September 2005 by UBS AG ('UBS') that as at the
close of business on 2 September 2005 they were interested in 55,572,630
ordinary shares of 1p each in the Company ('Ordinary Shares') representing 3.99
per cent. of the issued share capital of the Company. This holding is held
within the following subsidiaries of UBS:

Subsidiary                                                             Holding
UBS Global Asset Management (Life) Ltd                              23,586,506
UBS AG London Branch                                                31,986,124



7 September 2005







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