Holding(s) in Company

Cambridge Antibody Tech Group PLC
21 May 2004


                                  SCHEDULE 10

                   NOTIFICATION OF MAJOR INTERESTS IN SHARES


1)   Name of company

Cambridge Antibody Technology Group plc

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


Not disclosed


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


Not disclosed


5)   Number of shares/amount of stock acquired

N/A

6)   Percentage of issued class

N/A

7)   Number of shares/amount of stock disposed

Not disclosed

8)   Percentage of issued class

Not disclosed

9)   Class of security

Ordinary 10 pence shares

10)  Date of transaction


18 May 2004

11)  Date company informed

20 May 2004

12)  Total holding following this notification

Not disclosed


13)  Total percentage holding of issued class following this notification

Not known

14)  Any additional information

As at 18 May the Goldman Sachs Group Inc no longer had a disclosable interest in
shares pursuant to Sections 198-203 of the Companies Act 1985.



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: 20 May 2004


                      This information is provided by RNS
            The company news service from the London Stock Exchange