Transaction in Own Shares

AstraZeneca PLC
17 August 2005



REPURCHASE OF SHARES IN ASTRAZENECA PLC


AstraZeneca PLC announced that on 16 August 2005, it purchased for cancellation
800,000 ordinary shares of AstraZeneca PLC at a price of 2607 pence per share.
Upon the cancellation of these shares, the number of shares in issue will be
1,611,413,360.




G H R Musker

Company Secretary

17 August 2005


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