Director/PDMR Shareholding

ARM Holdings plc

16 September 2011

Announcement of dealings by a Director and a PDMR

ARM Holdings plc (the "Company") announces that Tudor Brown, who is a Director of the Company, today sold 100,000 shares at a price of 600.0 pence per share. His total resultant shareholding is 651,308 shares.

On the same date John Cornish, who is a PDMR of the Company, sold 30,000 shares at a price of 607.6 pence per share and 2,500 shares at a price of 600.5 pence per share. His wife sold 2,500 shares at a price of 600.5 pence per share. Their total resultant shareholding is 14,319 shares.

These holdings do not include shares earned through the Deferred Annual Bonus Plan which have not yet vested. See ARM's 2010 annual report for details of this plan. 

ENDS