EPT Disclosure

RNS Number:3501D
Deutsche Bank AG London
22 May 2006



                                    FORM 38.5

                 DEALINGS BY CONNECTED EXEMPT PRINCIPAL TRADERS
             (Rule 38.5 of the City Code on Takeovers and Mergers)


1.         KEY INFORMATION

Name of exempt principal trader                   Deutsche Bank AG London

Company dealt in                                  Cambridge Antibody Technology Group Plc

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

Date of dealing                                   19/05/2006


2.         DEALINGS (Note 2)

(a)        Purchases and sales


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

3,285                                #13.04                              #12.965


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

3,285                                #12.9754                            #12.9754


(b)        Derivatives transactions (other than options)

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













(c)        Options transactions in respect of existing securities

(i)         Writing, selling, purchasing or varying


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






(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.



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Date of disclosure                                               22/05/2006
Contact name                                                     Kelly-Jade Ledwich
Telephone number                                                 0207 545 7804
Name of offeree/offeror with which connected                     AstraZeneca Plc
Nature of connection (Note 6)                                    Advisor to the offeror





Notes



The Notes on Form 38.5 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
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