REPURCHASE OF SHARES IN ASTRAZENECA PLC
AstraZeneca PLC announced that on 28 October 2011, it purchased for cancellation 677,122 ordinary shares of AstraZeneca PLC at a price of 3058 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 1,319,923,810. A C N Kemp Company Secretary 31 October 2011