Additional Listing

IDOX PLC
21 January 2005

For immediate release
                           
                                  21 January 2005

                             IDOX PLC ('the Company')

                               Additional Listing



The Company announces that pursuant to the agreement with the vendors of TFPL
Limited ('TFPL'), as outlined in the announcement of 10 May 2004, the first
tranche of earn out consideration has become payable to the vendors in respect
of the acquisition.



This earn out consideration, which has been calculated on TFPL's gross profits
from 1 May 2004 until 31 October 2004, justified the maximum earn out
consideration under the acquisition agreement and will be payable through the
issue of 5,194,805 new ordinary shares of 1 pence each in the Company ('New
Ordinary Shares') on the basis of a price of 11.55 pence per share.



Application will be made for the admission of 5,194,805 New Ordinary Shares to
trading on the AIM market of the London Stock Exchange. The New Ordinary Shares
will rank pari passu with all existing ordinary shares in the Company. It is
expected that admission will become effective and that dealings in the New
Ordinary Shares will commence on 27 January 2005.



For further information please contact:



Andrew Fraser, Chief Executive, IDOX plc                     Tel: [phone]

John McNicol, Company Secretary, IDOX plc                    Tel: [phone]

Alasdair Robinson, Noble & Company Limited                   Tel: [phone]





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