Holding(s) in Company

Gresham Computing PLC
21 December 2006



For immediate release                                           21 December 2006



                             Major Interests in Shares
                              Gresham Computing plc
                           ('Gresham' or 'the Company')



Major Interests in Shares

The Company received notification on 21 December 2006 that Gartmore Investment
Management Limited has increased its notifiable interest to 8,630,438 ordinary
shares of 5 pence each in the Company at 18 December 2006, representing 17.1% of
the outstanding share capital of the Company.

The outstanding share capital of the Company remains at 50,350,890 ordinary
shares of 5 pence each.

                                     -ends-


For further information please contact:


Gresham Computing plc                               [phone]
Chris Errington, Finance Director

Financial Dynamics                                  [phone]
James Melville-Ross
Matt Dixon




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