Holding(s) in Company

Catalyst Media Group PLC
11 April 2007


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

                               Holding in Company

The Company today received notification from Marshall Wace LLP that The Eureka
(Euro) Fund Limited has increased its interest to 601,011,717 ordinary shares of
0.5p each in the Company representing approximately 21.36 per cent. of the
Company's issued share capital.







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