Transaction in Own Shares

AstraZeneca PLC
29 July 2004

                    REPURCHASE OF SHARES IN ASTRAZENECA PLC

AstraZeneca PLC announced that on 28 July 2004, it purchased for cancellation
450,000 ordinary shares of AstraZeneca PLC at a price of 2420 pence per share.
Upon the cancellation of these shares, the number of shares in issue will be
1,672,295,869.


G H R Musker
Company Secretary
29 July 2004


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