Transaction in Own Shares

AstraZeneca PLC
04 June 2007

                    REPURCHASE OF SHARES IN ASTRAZENECA PLC

AstraZeneca PLC announced that on 1 June 2007, it purchased for cancellation
900,000 ordinary shares of AstraZeneca PLC at a price of 2677 pence per share.
Upon the cancellation of these shares, the number of shares in issue will be
1,498,513,355.

G H R Musker
Company Secretary
4 June 2007


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