PDMR's Shareholdings

ARM Holdings plc

15 March 2012

Announcement of dealings by PDMRs

ARM Holdings plc (the "Company") announces the following dealings by PDMRs of the Company:

Tom Lantzsch sold 50,000 shares at a price of 575 pence per share on 12 March 2012 and 50,000 shares at a price of 573 pence per share on 13 March 2012. His total resultant holding is 35,347 shares.

Lance Howarth sold 1,663 shares at a price of 575 pence per share on 13 March 2012 and 48,337 shares at a price of 573.88 pence per share on 14 March 2012. His total resultant holding is 35,000 shares.

ENDS