Transaction in Own Shares

AstraZeneca PLC
06 May 2005


                    REPURCHASE OF SHARES IN ASTRAZENECA PLC


AstraZeneca PLC announced that on 5 May 2005, it purchased for cancellation
500,000 ordinary shares of AstraZeneca PLC at a price of 2338 pence per share.
Upon the cancellation of these shares, the number of shares in issue will be
1,632,828,623.



G H R Musker
Company Secretary
6 May 2005





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