Holding(s) in Company

Catalyst Media Group PLC
16 April 2007


                            Catalyst Media Group plc
                          ('Catalyst' or 'the Company')
                                        
                                Holding in Company

The Company was notified today, that Gartmore Investment Limited has increased 
its interest to 538,921,235 ordinary shares of 0.1p each in Catalyst ('Ordinary 
Shares'), representing 19.15% of the issued ordinary share capital of the 
Company.

The beneficial owners of the Ordinary Shares are as follows:

Beneficial Owner                                                     Number of
                                                               Ordinary Shares
                                                                          held
Gartmore Fund Managers Ltd A/C Gartmore UK &
Irish Smaller Companies                                             80,923,020
The Gartmore UK Small Cap Best Ideas Fund Limited                  123,575,806
Gartmore Smaller Companies Trust Plc                                32,253,408
Gartmore Growth Opportunities Plc                                    9,477,706
The Alphagen Volantis Fund Limited                                 244,587,085
Strathclyde Pension Fund                                            48,104,210
                                                                  ------------
Total                                                              538,921,235
                                                                  ------------



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