Notification of major interest in shares

ARM Holdings plc

9 February 2016

Notification of major interest in shares

In accordance with DTR 5.8.12R, ARM Holdings plc (the "Company") announces that it has been notified of the following change to a major shareholding by way of SEC filing Schedule 13G:

Holder: Baillie Gifford & Co.

Number of shares held: 134,297,153 Ordinary shares of 5 pence each and

71,451 ADRs, each representing 3 Ordinary shares of 5 pence each.

Total voting rights: 134,511,506

Total voting %: 9.57

A copy of the filing submitted to the SEC can be found here: http://www.sec.gov/Archives/edgar/data/1057997/000108887516000071/ARM12312015.txt

ENDS