CML Microcircuits Regulatory News (CML)

CML Microsystems Plc (the "Company")

NOTIFICATION OF TRANSACTIONS OF DIRECTORS, PERSONS DISCHARGING MANAGERIAL RESPONSIBILITY OR CONNECTED PERSONS

On 10 February 2011, the Company issued 605,224 ordinary shares of 5 pence each ("Ordinary Shares") at 116p in satisfaction of employees and directors exercising their rights over share options. Following this the company has 15,552,850 Ordinary Shares in issue.

Additionally on 10 February 2011, the Company was notified that the following directors made the following transactions in relation to ordinary shares of 5p each ("Ordinary Shares") in the Company:

Mr George Gurry, non-executive Chairman, and his wife sold 89,400 Ordinary Shares at 206p. Following these transactions he and his wife hold 2,679,862 Ordinary Shares, representing 17.23% of the newly increased issued share capital.

Managing Director, Mr Chris Gurry, exercised options over 24,250 Ordinary Shares at 116p. Additionally, he and his wife sold 39,782 Ordinary Shares at 206p. Following these transactions he and his wife hold 833,404 Ordinary Shares, representing 5.36% of the newly increased issued share capital.

Mr Nigel Clark, Finance Director and Company Secretary, exercised options over 24,250 Ordinary Shares at 116p. Additionally he sold 89,904 Ordinary Shares at 206p. Following these transactions he and his wife hold 76,753 Ordinary Shares, representing 0.54% of the newly increased issued share capital.

Non-executive director, Mr George Bates exercised options over 19,750 Ordinary Shares at 116p and sold them at 206p. He and his wife hold 81,813 Ordinary Shares, representing 0.53% of the newly increased issued share capital.

Enquiries:

CML Microsystems Plc

Chris Gurry, Managing Director Tel: 01621 875500

Nigel Clark, Financial Director