Transaction in Own Shares

AstraZeneca PLC
10 May 2005

                    REPURCHASE OF SHARES IN ASTRAZENECA PLC


AstraZeneca PLC announced that on 9 May 2005, it purchased for cancellation
750,000 ordinary shares of AstraZeneca PLC at a price of 2321 pence per share.
Upon the cancellation of these shares, the number of shares in issue will be
1,632,103,082.



G H R Musker
Company Secretary
10 May 2005


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