Transaction in Own Shares

AstraZeneca PLC
12 August 2005

REPURCHASE OF SHARES IN ASTRAZENECA PLC



AstraZeneca PLC announced that on 11 August 2005, it purchased for cancellation
925,000 ordinary shares of AstraZeneca PLC at a price of 2581 pence per share.
Upon the cancellation of these shares, the number of shares in issue will be
1,613,158,766.



G H R Musker

Company Secretary

12 August 2005


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