Additional Listing

Cambridge Antibody Tech Group PLC
29 April 2004

Cambridge Antibody Technology Group plc

Application has been made to The UK Listing Authority and The London Stock
Exchange for a block listing of 333,000 Ordinary shares of 10p each under the
Inland Revenue Approved and Unapproved Company Share Option Plan, to trade on
the London Stock Exchange and to be admitted to the Official List upon issuance.
The shares shall rank pari passu with the existing issued shares of the Company.






                      This information is provided by RNS
            The company news service from the London Stock Exchange