Recommended Cash Offer by AstraZeneca UK Limited for Cambridge Antibody Technology Group plc Posting of Compulsory Acquisition Notices

Further to AstraZeneca’s announcement on 30 June 2006 regarding its intention to exercise its rights pursuant to the provisions of Schedule 2 of the Interim Regulations to acquire compulsorily, on the same terms as the Offer, the remaining CAT Shares (including shares underlying CAT ADSs) in respect of which the Offer has not been accepted, AstraZeneca announces the despatch today of compulsory acquisition notices to CAT Shareholders who have not accepted the Offer.

CAT Shareholders who wish to accept the Offer and who have not already done so should, if their CAT Shares are held in certificated form, complete and return their Form of Acceptance as soon as possible in accordance with the instructions printed on it. CAT Shareholders who hold CAT Shares in uncertificated form and who have not yet accepted the Offer are reminded to follow the CREST procedure set out in the Offer Document.
Defined terms used in this announcement have the same meanings as in the Offer Document dated 23 May 2006.

Enquiries:

AstraZeneca
Media Enquiries:
Steve Brown (London) +44 (0)20 7304 5033
Edel McCaffrey (London) +44 (0) 20 7304 5034
Staffan Ternby (Sweden) +46 8 553 26107

Analyst/Investor Enquiries:
Jonathan Hunt (London) +44 (0) 20 7304 5087
Mina Blair (London) +44 (0) 20 7304 5084
Ed Seage (US) +1 302 886 4065
Jörgen Winroth (US) +1 212 579 0506


Goldman Sachs International +44 (0) 20 7774 1000
Guy Slimmon
Mark Sorrell