15 March 2013

CSR plc

Transactions in Own Shares

CSR plc (the "Company") announces that it has entered into a non-discretionary programme to purchase ordinary shares up to an aggregate value of $50 million. The purchased shares will be held as treasury shares.

The buy back programme will be managed by an independent third party, which makes its trading decisions independently of, and uninfluenced by, the Company.

Any acquisitions will be effected within certain pre-set parameters, and in accordance with both the Company's general authority to purchase shares and Chapter 12 of the Listing Rules which requires that the maximum price paid be limited to no more than the higher of (i) 5 per cent. above the average market value for the shares as derived from the London Stock Exchange Daily Official List for the five business days immediately prior to such purchase and (ii) an amount equal to the higher of the price of the last independent trade of a share and the highest current independent bid for a share, in each case on the London Stock Exchange.

The Company confirms that it currently has no unpublished price sensitive information.

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