Transaction in Own Shares

AstraZeneca PLC
06 June 2007

REPURCHASE OF SHARES IN ASTRAZENECA PLC

AstraZeneca PLC announced that on 5 June 2007, it purchased for cancellation
900,000 ordinary shares of AstraZeneca PLC at a price of 2654 pence per share.
Upon the cancellation of these shares, the number of shares in issue will be
1,497,631,159.

G H R Musker
Company Secretary
6 June 2007


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