Holding(s) in Company

Cambridge Antibody Tech Group PLC
14 November 2003

                                  SCHEDULE 10

                   NOTIFICATION OF MAJOR INTERESTS IN SHARES


1)   Name of company
Cambridge Antibody Technology


2)   Name of shareholder having a major interest
Morgan Stanley Securities Limited


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
Not known


5)   Number of shares/amount of stock acquired
Nil


6)   Percentage of issued class
Nil


7)   Number of shares/amount of stock disposed
Not known


8)   Percentage of issued class
Not known


9)   Class of security
Ordinary 10 pence shares


10)  Date of transaction
13 November 2003


11)  Date company informed
14 November 2003


12)  Total holding following this notification
Not disclosed



13)  Total percentage holding of issued class following this notification
Not disclosed


14)  Any additional information
Morgan Stanley Securities Limited no longer have a notifiable interest in the
shares in accordance with Section 198 of the Companies Act 1985.


15)  Name of contact and telephone number for queries
Diane Mellett 01223 471471


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


     Date of notification 14 November 2003





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