Catalyst Media Group PLC 12 September 2005 12 September 2005 Catalyst Media Group plc ('Catalyst' or 'the Company') Holding in Company The Company was notified on 9 September 2005, that as at 1 September 2005, Gartmore Investment Management Plc has an interest in 83,412,119 ordinary shares of 1p each in Catalyst, representing 13.363% of the issued ordinary share capital of the Company. The beneficial owners of the shares are as follows: Beneficial Owner Number of shares held Gartmore Fund Managers Ltd A/C Gartmore UK & Irish Smaller Companies 27,918,876 Gartmore Sicav Pan Euro Smaller Companies Fund 173,291 Gartmore Smaller Companies Trust Plc 6,444,758 Gartmore Growth Opportunities Plc 2,824,355 Strathclyde Pension Fund 13,104,960 The Alphagen Volantis Fund Limited 29,164,331 The Gartmore Limited Issue UK Small Cap Fund Ltd 2,428,468 Gartmore Absolute Growth and Income Trust Plc (Growth) 1,353,080 ---------------- Total 83,412,119 ---------------- END This information is provided by RNS The company news service from the London Stock Exchange