AstraZenica AB UK

REPURCHASE OF SHARES IN ASTRAZENECA PLC

Press Release   •   Nov 01, 2011 10:12 GMT

 AstraZeneca PLC announced that on 31 October 2011, it purchased for cancellation 665,284 ordinary shares of AstraZeneca PLC at a price of 3015 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 3 October 2011 to 16 December 2011.

Upon the cancellation of these shares, the number of shares in issue will be 1,319,365,124.

A C N Kemp

Company Secretary

1 November 2011