Transaction in Own Shares

ARM Holdings plc (the 'Company')

21 May 2015

Transaction in Own Shares

The Company announces that on 21 May 2015 it purchased 300,000 of its ordinary shares through UBS Limited at a volume weighted average price of 1116.96pence per share. The highest price paid per share was 1121.0 pence and the lowest price paid per share was 1109.0 pence. The purchased shares will all be held as treasury shares.

Following the above purchase, the Company holds 300,000 ordinary shares as treasury shares. The total number of ordinary shares in issue (excluding shares held as treasury shares) is 1,411,875,842.

ENDS