Holding(s) in Company

Catalyst Media Group PLC
06 November 2007




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


The Company was notified 2 November 2007, that Gartmore Investment Limited has 
increased its interest to 5,946,210 ordinary shares of 10p each in Catalyst 
('Ordinary Shares'), representing 21.13% 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                                            809,230
The Gartmore UK Small Cap Best Ideas Fund Limited                     1,235,758
Gartmore Smaller Companies Trust Plc                                    340,838
Gartmore Growth Opportunities Plc                                        94,777
The Alphagen Volantis Fund Limited                                    2,945,870
Strathclyde Pension Fund                                                519,737
Total                                                                 5,946,210

END





                      This information is provided by RNS
            The company news service from the London Stock Exchange
    
HOLUNOARBWRARAA