Transaction in Own Shares

AstraZeneca PLC
24 May 2005



                      REPURCHASE OF SHARES IN ASTRAZENECA PLC


AstraZeneca PLC announced that on 23 May 2005, it purchased for cancellation
800,000 ordinary shares of AstraZeneca PLC at a price of 2317 pence per share.
Upon the cancellation of these shares, the number of shares in issue will be
1,628,731,565.



G H R Musker
Company Secretary
24 May 2005






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