Transaction in Own Shares

AstraZeneca PLC
13 March 2007

REPURCHASE OF SHARES IN ASTRAZENECA PLC





AstraZeneca PLC announced that on 12 March 2007, it purchased for cancellation
588,807 ordinary shares of AstraZeneca PLC at a price of 2933 pence per share.



Some of these shares were purchased under the terms of the previously announced
irrevocable, non-discretionary share repurchase programme for the period 5
February 2007 to 30 April 2007.



Upon the cancellation of these shares, the number of shares in issue will be
1,520,976,838.





G H R Musker

Company Secretary

13 March 2007


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