AstraZenica AB UK

REPURCHASE OF SHARES IN ASTRAZENECA PLC

Press Release   •   Nov 02, 2011 11:10 GMT

 AstraZeneca PLC announced that on 1 November 2011, it purchased for cancellation 691,301 ordinary shares of AstraZeneca PLC at a price of 2944 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 1,318,682,993.

A C N Kemp

Company Secretary

2 November 2011