Transaction in Own Shares

ARM Holdings plc (the 'Company')

21 August 2015

Transaction in Own Shares

The Company announces that on 21 August 2015 it purchased 250,000 of its ordinary shares through UBS Limited at a volume weighted average price of 874.2125 pence per share. The highest price paid per share was 884.0 pence and the lowest price paid per share was 864.50 pence. The purchased shares will all be held as treasury shares.

Following the above purchase, the Company holds 6,351,375 ordinary shares as treasury shares. The total number of ordinary shares in issue (excluding shares held as treasury shares) is 1,405,824,467.

ENDS