Chairman Succession

Released: 22/02/2007

The Board of CSR announces that Mr John Whybrow has decided to stand down as Chairman of the Company and as a non-executive director, with effect from the conclusion of the Company’s Annual General Meeting on 2 May 2007. Following a selection process led by David Tucker, Senior Independent Director, the Board concluded that Mr Whybrow should be succeeded as Chairman by Mr Ron Mackintosh, who has been a non-executive director of CSR since May 2004. With immediate effect Mr Mackintosh is appointed Chairman Designate.

Mr Whybrow, 59, has served as a non-executive director of the Company since December 2003 and as Chairman from March 2004 when the Company floated on the London Stock Exchange. During his tenure, CSR has increased its revenues from $68 million in 2003 to $705 million today and its market capitalisation has grown from £240 million to £976 million. Mr Whybrow is also chairman of Wolseley plc and a non-executive director of DSG international plc.

Commenting on the move, John Whybrow said:

“It has been a privilege to chair CSR for the past three years. Over that time, CSR has established itself as one of Britain’s outstanding technology successes, with a leading global market presence in Bluetooth, as well as developing world class solutions in other wireless standards. The Company has also grown in maturity and I am delighted to have been part of a Board which has provided support and guidance through that process. It is with due regard to the responsibilities as Chairman of a well established FTSE 250 company and with consideration for my other non-executive commitments to FTSE 100 companies that I have decided to stand down as Chairman. Ron Mackintosh has been a non-executive director of CSR since 2004. His knowledge of CSR, coupled with his wealth of experience of international technology companies makes Ron an ideal successor. I wish Ron, my fellow directors and the employees of CSR every success for the future.”

Ron Mackintosh, 58, has been a non-executive director of CSR since May 2004. He is also Chairman of the Remuneration Committee and serves on the Audit and Nomination Committees. Ron has held a number of senior executive positions in European technology companies. Between 1992 and 2000 he was chief executive of Computer Sciences Corporation’s (CSC) European business, which had revenues of $2.5 billion. He is also a former director and interim CEO of Gemplus SA, the world’s largest smartcard manufacturer. Mr Mackintosh is chairman of Northgate Information Solutions plc (‘Northgate’). Northgate is the UK’s leading supplier of specialist software and IT services for the Human Resources, Education and Public Service markets. Mr Mackintosh is also a non-executive director of software company royalblue group plc.

Commenting on his appointment, Ron Mackintosh said:

“I am delighted to be appointed Chairman Designate and to be following in the footsteps of John Whybrow as Chairman of CSR. John has been an excellent Chairman and has successfully overseen a sustained and impressive period of growth for the Company while building a strong board that complies with best practice in corporate governance and is focussed on creating value for it’s shareholders. On behalf of the Board I should like to thank him and wish him well for the future.

I looked forward to assuming the role of Chairman from 2 May 2007 and to being part of a team determined to maintain a world leading presence in providing wireless technology solutions, as we continue to grow and exploit new market opportunities.”

Ends

Enquiries:

About CSR CSR is the leading global provider of personal connectivity, wireless technology with a product portfolio covering Bluetooth, FM receivers and WiFi (IEEE802.11). CSR offers developed hardware/software solutions based around its silicon platforms that incorporate fully integrated radio, baseband and microcontroller elements.

CSR has already launched its fifth generation BlueCore suite and is in volume manufacture of its fourth generation BlueCore devices. BlueCore4 supports the Enhanced Data Rate (EDR) standard which was ratified at the end of 2004. Outside of Bluetooth, CSR has also developed UniFi, the first single chip 802.11a/b/g embedded solution specifically targeting the mobile phone and consumer electronics markets. BlueCore features in over 60 per cent of all qualified Bluetooth enabled products and modules listed on the Bluetooth website with industry leaders including Apple, Dell, LG, Motorola, NEC, Nokia, Panasonic, RIM, Samsung, Sharp, Sony, Tom Tom and Toshiba using BlueCore devices in their range of Bluetooth products.

CSR has its headquarters and offices in Cambridge, UK, and offices in Japan, Korea, Taiwan, China, India, France, Denmark, Sweden and both Texas and Detroit in the USA. More information can be found at www.csr.com.

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