Blocklisting 6 Monthly Return

RNS Number:5302U
Cambridge Antibody Tech Group PLC
15 April 2002

                                   SCHEDULE 5

                        BLOCKLISTING SIX MONTHLY RETURN

1. Name of company


Cambridge Antibody Technology


2. Name of scheme

(a) Cambridge Antibody Technology Share Option Scheme

(b) Cambridge Antibody Technology AESOP Scheme


3. Period of return: From 1 October 2001 to 31 March 2002



4. Number and class of shares(s)
(amount of stock/debt security)
not issued under scheme


351,966


5. Number of shares issued/allotted
under scheme during period

(a) 230,159
(b) 36,838


6. Balance under scheme not yet issued/allotted
at end of period

85,969

7. Number and class of share(s)
(amount of stock/debt securities)
originally listed and the date of admission

22,136,251 10p ordinary shares on 25 March 1997

Please confirm total number of shares in issue at the end of the period
in order for us to update our records

35,724,656

Contact for queries: Diane Mellett

Address:CAT Group plc, The Science Park, Melbourn, CambridgeshireSG8 6JJ

Name: Diane Mellett

Telephone:[phone]


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