Transaction in Own Shares

AstraZeneca PLC
30 June 2005



                    REPURCHASE OF SHARES IN ASTRAZENECA PLC


AstraZeneca PLC announced that on 29 June 2005, it purchased for cancellation
900,000 ordinary shares of AstraZeneca PLC at a price of 2262 pence per share.
Upon the cancellation of these shares, the number of shares in issue will be
1,617,955,937.


G H R Musker
Company Secretary
30 June 2005


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