RNS Number:9318E
GoldmanSachs International
21 June 2006

                                                                    FORM 38.5(a)



                 DEALINGS BY CONNECTED EXEMPT PRINCIPAL TRADERS
                      WITH RECOGNISED INTERMEDIARY STATUS
                      DEALING IN A CLIENT-SERVING CAPACITY
                      (Rule 38.5(a) of the Takeover Code)





1.         KEY INFORMATION


Name of exempt principal trader                Goldman Sachs International

Company dealt in                               CAMBRIDGE ANTIBODY TECHNOLOGY GROUP PLC

Class of relevant security to which the        Ordinary Shares
dealings being disclosed relate (Note 1)

Date of dealing                                20 June 2006






2.         DEALINGS (Note 2)



(a)        Purchases and sales


Total number of securities purchased   Highest price paid (Note 3)           Lowest price paid (Note 3)


27200                                  13.09 GBP                             13.09 GBP




Total number of securities sold        Highest price received (Note 3)       Lowest price received (Note 3)


363235                                 13.11 GBP                             13.09 GBP



 (b)       Derivatives transactions (other than options)


Product name,         Long/short (Note 4)       Number of securities (Note 5)        Price per unit (Note 3)
e.g. CFD

CFD                   Long                      50000                                13.11 GBP
CFD                   Long                      300                                  13.11 GBP
CFD                   Long                      33605                                13.11 GBP
CFD                   Long                      16182                                13.11 GBP
CFD                   Long                      22403                                13.11 GBP
CFD                   Long                      10788                                13.11 GBP
CFD                   Long                      34500                                13.11 GBP
CFD                   Long                      5500                                 13.11 GBP
CFD                   Long                      39000                                13.11 GBP
CFD                   Long                      13500                                13.11 GBP
CFD                   Long                      3000                                 13.11 GBP
CFD                   Long                      9109                                 13.11 GBP
CFD                   Long                      2950                                 13.11 GBP
CFD                   Long                      25863                                13.11 GBP
CFD                   Long                      9088                                 13.11 GBP
CFD                   Long                      4450                                 13.11 GBP
CFD                   Long                      16766                                13.11 GBP
CFD                   Long                      7401                                 13.11 GBP
CFD                   Long                      18500                                13.11 GBP
CFD                   Long                      6500                                 13.11 GBP
CFD                   Long                      2130                                 13.11 GBP
CFD                   Long                      4500                                 13.11 GBP







(c)        Options transactions in respect of existing securities

(i)         Writing, selling, purchasing or varying


Product name,   Writing, selling, Number of securities to    Exercise     Type, e.g.   Expiry     Option money
                purchasing,       which the option relates   price        American,    date       paid/received per
e.g. call       varying etc.      (Note 5)                                European                unit (Note 3)
option                                                                    etc.                    





(ii)        Exercising


Product name, e.g. call option         Number of securities                  Exercise price per unit (Note 3)





3.         OTHER INFORMATION



Agreements, arrangements or understandings relating to options or derivatives




Full details of any agreement, arrangement or understanding between the person
disclosing and any other person relating to the voting rights of any relevant
securities under any option referred to on this form or relating to the voting
rights or future acquisition or disposal of any relevant securities to which any
derivative referred to on this form is referenced. If none, this should be
stated.











Date of disclosure                                         21 June 2006

Contact name                                               Peter Highton

Telephone number                                           +44-207-774-1935

Name of offeree/offeror with which connected               Astrazeneca

Nature of connection (Note 6)                              Advisor






Notes



The Notes on Form 38.5(a) can be viewed on the Takeover Panel's website at
www.thetakeoverpanel.org.uk






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

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