Transaction in Own Shares

AstraZeneca PLC
29 September 2004



REPURCHASE OF SHARES IN ASTRAZENECA PLC

AstraZeneca PLC announced that on 28 September 2004, it purchased for
cancellation 700,000 ordinary shares of AstraZeneca PLC at a price of 2303 pence
per share. Upon the cancellation of these shares, the number of shares in issue
will be 1,660,340,800.



G H R Musker

Company Secretary

29 September 2004


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