Holding(s) in Company

Cambridge Antibody Tech Group PLC
03 February 2005


                                  SCHEDULE 10

                   NOTIFICATION OF MAJOR INTERESTS IN SHARES


1)   Name of company

Cambridge Antibody Technology

2)   Name of shareholder having a major interest

The Goldman Sachs Group Inc


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

As in 2 above


4)   Name of the registered holder(s) and, if more than one holder, the
     number of shares held by each of them

As in 2 above


5)   Number of shares/amount of stock acquired

Nil


6)   Percentage of issued class

Nil

7)   Number of shares/amount of stock disposed

None


8)   Percentage of issued class

N/A


9)   Class of security

Ordinary 10 pence shares


10)  Date of transaction

Not known


11)  Date company informed

2 February 2005


12)  Total holding following this notification

Not disclosed



13)  Total percentage holding of issued class following this notification

Not known


14)  Any additional information

the Goldman Sachs Group, Inc no longer have a disclosable interest


15)  Name of contact and telephone number for queries

Justin Hoskins 01223 898589


16)  Name and signature of authorised company official responsible for
     making this notification


Diane Mellett, Company Secretary

     Date of notification 3 February 2005

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