Shareholding Notification

Cambridge Antibody Tech Group PLC
18 June 2002

                                  SCHEDULE 10

                   NOTIFICATION OF MAJOR INTERESTS IN SHARES

1) Name of company
Cambridge Antibody Technology


2) Name of shareholder having a major interest
Fidelity Investments


3) Please state whether notification indicates that it is in respect of
holding of the shareholder named in 2 above or in respect of a
non-beneficial interest or in the case of an individual holder if it is a
holding of that person's spouse or children under the age of 18
Non Beneficial


4) Name of the registered holder(s) and, if more than one holder, the
number of shares held by each of them
Chase Nominees Limited (1,040,576), State Street Nominees Limited (139,600),
HSBC (1,012,375), State Street Nominees Ltd. (2,100), Brown Brothers Harriman
(1,300), Chase Nominees Ltd(5,382), Chase Mahattan Bank London (190,153), Chase
Nominees Ltd (181,500), Bankers Trust(178,100), MSS Nominees Ltd (26,500), Bank
of New York Europe (37,700), BT Globenet Nominees Ltd (7,000), Nortrust Nominees
Ltd (124,700), Chase Nominees Ltd (120,600), RBS Trust Bank (145,300), HSBC
(4,310), Northern Trust (151,000), BT Globenet Nominees Ltd (36,000), Morgan
Stanley (51,739), Bankers Trust (13,300), Bank of New York Europe (14,400),
Citibank (6,100), HSBC Client Holdings Nominee (UK) Limited (32,500), Bank of
New York - London (9,900), JP Morgan (74,910), Deutsche Bank (6,400), Chase
Manhattan Bank London (12,200).


5) Number of shares/amount of stock acquired
136,353


6) Percentage of issued class
0.38%


7) Number of shares/amount of stock disposed
Nil


8) Percentage of issued class
Not Applicable


9) Class of security
Ordinary 10p shares


10) Date of transaction
Not disclosed


11) Date company informed
18 June 2002


12) Total holding following this notification
3,625,645



13) Total percentage holding of issued class following this notification
10.01%


14) Any additional information
None


15) Name of contact and telephone number for queries
Justin Hoskins [phone]


16) Name and signature of authorised company official responsible for
making this notification
Diane Mellett, Company Secretary


Date of notification 18 June 2002





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