Transaction in Own Shares

AstraZeneca PLC
16 May 2005



REPURCHASE OF SHARES IN ASTRAZENECA PLC



AstraZeneca PLC announced that on 13 May 2005, it purchased for cancellation
750,000 ordinary shares of AstraZeneca PLC at a price of 2290 pence per share.
Upon the cancellation of these shares, the number of shares in issue will be
1,630,671,552.




G H R Musker

Company Secretary

16 May 2005


                      This information is provided by RNS
            The company news service from the London Stock Exchange            FTMMABBLA