Catalyst Media Group PLC 02 December 2005 2 December 2005 Catalyst Media Group plc ('Catalyst' or 'the Company') Holding in Company The Company was notified yesterday, that following the sale of 2,428,468 ordinary shares of 1p each in Catalyst ("Ordinary Shares") on 28 November 2005, Gartmore Investment Management Plc has an interest in 80,230,863 Ordinary Shares, representing 12.791% 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 2,071,567 Strathclyde Pension Fund 13,104,960 The Alphagen Volantis Fund Limited 29,164,331 Gartmore Absolute Growth and Income Trust Plc (Growth) 1,353,080 ---------------- Total 80,230,863 ---------------- END This information is provided by RNS The company news service from the London Stock Exchange