Holding(s) in Company

ARM Holdings plc

11 September 2015

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: 125,686,438 Ordinary shares of 5 pence each and 71, 451 ADRs, each representing 3 Ordinary shares of 5 pence each.

Total voting rights: 125,900,791

Total voting %: 8.95

A copy of the filing submitted to the SEC can be found here: http://www.sec.gov/Archives/edgar/data/1057997/000108887515000046/ARM31122014.txt

ENDS