Holding(s) in Company

OMG PLC
27 December 2006


                        OMG plc ('OMG' or 'the Company')


                              Notifiable Interest



The Company was notified on 22 December 2006 by Gartmore Investment Management
Limited that Gartmore Fund Managers Limited ('GFM'), Gartmore Investment Limited
('GIL') and Gartmore Global Partners ('GGP') have purchased 300,000 ordinary
shares of 0.25 pence each ('Ordinary Shares') in the Company on 14 December
2006. A further 300,000 Ordinary Shares was purchased on 15 December 2006.


Following these transactions, GIL, GFM and GGP have a combined holding of
6,454,717 Ordinary Shares, representing approximately 10.75 per cent of the
total issued share capital of the Company.


The beneficial ownership of the shares is as follows:


Fund manager: GFM

UK Registered Owner                    Beneficial Owner                 Number of Shares Held             Percentage of 
                                                                                                Issued Share Capital (%)

HSBC Global Custody Nominee UK Ltd     GFM A/C, Gartmore UK 
                                       & Irish Smaller Companies             4,334,487                          7.22
                



Fund manager: GIL

UK Registered Owner               Beneficial Owner                            Number of      Percentage of Issued Share 
                                                                            Shares Held                     Capital (%)
                                
BNY GIL CLT A/C Noms Ltd A/C LST  Gartmore Smaller Companies Trust PLC           556,098                       0.93
Nortrust Nominees Limited         Strathclyde Pension Fund                     1,330,686                       2.22
BNY GIL CLT A/C Noms Ltd A/C NWSC Gartmore Growth Opportunities PLC              233,446                       0.39

Total                                                                          2,120,230                       3.53



Grand total                                                                    6,454,717                      10.75



Contact:


OMG plc

Peter Wharton, Finance Director                     Tel: [phone]



27 December 2006



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