Transaction in Own Shares

AstraZeneca PLC
19 May 2006


REPURCHASE OF SHARES IN ASTRAZENECA PLC



AstraZeneca PLC announced that on 18 May 2006, it purchased for cancellation
1,000,000 ordinary shares of AstraZeneca PLC at a price of 2817 pence per share.
Upon the cancellation of these shares, the number of shares in issue will be
1,572,560,721.




G H R Musker

Company Secretary

19 May 2006


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