Appointment of Directors

Cambridge Antibody Tech Group PLC
23 June 2006



                Cambridge Antibody Technology Group plc ("CAT")


CAT (LSE: CAT; NASDAQ: CATG) announces that, following the recommended offer
made by AstraZeneca UK Limited for CAT becoming unconditional in all respects on
22 June 2006, G H R Musker, S F Grady, I M D Brimicombe and A C N Kemp were
appointed Directors of CAT with effect from 22 June 2006. No further information
is required to be disclosed pursuant to Listing Rule 9.6.13.

For further information please contact:

Rowena Gardner, Director of Corporate Communications

[phone]




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