Transaction in Own Shares

AstraZeneca PLC
16 August 2004


REPURCHASE OF SHARES IN ASTRAZENECA PLC

AstraZeneca PLC announced that on 13 August 2004, it purchased for cancellation
400,000 ordinary shares of AstraZeneca PLC at a price of 2407 pence per share.
Upon the cancellation of these shares, the number of shares in issue will be
1,667,937,373.

G H R Musker
Company Secretary
16 August 2004


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