Transaction in Own Shares

AstraZeneca PLC
15 September 2004


                     REPURCHASE OF SHARES IN ASTRAZENECA PLC

AstraZeneca PLC announced that on 14 September 2004, it purchased for
cancellation 400,000 ordinary shares of AstraZeneca PLC at a price of 2351 pence
per share. Upon the cancellation of these shares, the number of shares in issue
will be 1,664,940,800.

G H R Musker
Company Secretary
15 September 2004


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