27 February 2012

CSR plc

(the Company)

Dealing by Person Discharging Managerial Responsibility

Announcement of the automatic vesting of options and

disposal of ordinary shares of the Company

The Company announces that on 24 February 2012, Mr Ahmet Alpdemir, Senior Vice President of the Mobile Business Unit, acquired 18,525 ordinary shares in the Company following the automatic vesting of RSU's pursuant to the terms of grant. In accordance with the conditions attaching to the vesting, 7,791 ordinary shares were sold at a price of £2.475 per share in order to satisfy the tax liability arising on vesting. Following the disposal, Mr Alpdemir holds 25,498 ordinary shares in the Company.

ENDS