Blk Listing Six-Mnthly Return

Cambridge Antibody Tech Group PLC
25 April 2000



Schedule 5 - Block Listing Six-Monthly Return

1   Name of company:
Cambridge Antibody Technology Group plc

2   Name of Scheme:
Cambridge Antibody Technology Share Option Scheme and Staff Share Scheme

3   Period of Return - From:
1 April 1999

To:
31 March 2000

4   Number and class of share(s) (amount of stock/debt security) not issued
under scheme at the end of last period:
1,685,715
10p ordinary shares

5   Number of shares issued/allotted under scheme during period:
449,111

6   Balance under scheme not yet issued/allotted under scheme at end of
period:
1,236,604

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
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:
34,275,039 10p ordinary shares

Contact name for queries:
Diane Mellett

Contact telephone number:
01763 263233

Contact address:
CAT Group plc, The Science Park, Melbourn, Cambridgeshire, SG8 6JJ

Name of person making return:
Rowena Gardner

Position of person making return:
Communications Manager





Additional Information: