Transaction in Own Shares

AstraZeneca PLC
30 September 2004


REPURCHASE OF SHARES IN ASTRAZENECA PLC



AstraZeneca PLC announced that on 29 September 2004, it purchased for
cancellation 400,000 ordinary shares of AstraZeneca PLC at a price of 2292 pence
per share. Upon the cancellation of these shares, the number of shares in issue
will be 1,659,940,800.



G H R Musker

Company Secretary

30 September 2004


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