Transaction in Own Shares

AstraZeneca PLC
10 May 2006


REPURCHASE OF SHARES IN ASTRAZENECA PLC


AstraZeneca PLC announced that on 9 May 2006, it purchased for cancellation
800,000 ordinary shares of AstraZeneca PLC at a price of 2949 pence per share.
Upon the cancellation of these shares, the number of shares in issue will be
1,580,231,448.


G H R Musker
Company Secretary

10 May 2006


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