CML Microcircuits Regulatory News (CML)

BLOCKLISTING RETURN

Date: 20 June 2012

1. Name of applicant:

CML Microsystems Plc

2. Name of scheme:

CML Share Option Scheme

3. Period of return:

From 23 December 2010 to 29 June 2012

4. Balance under scheme from previous return:

617,014

5. The amount by which the block scheme has been increased, if the scheme has been increased since the date of the last return:

n/a

6. Number of securities issued/allotted under scheme during period:

408,904

7. Balance under scheme not yet issued/allotted at end of period:

617,014

8. Number and class of securities originally listed and the date of admission:

1,025,918 CML ordinary shares of 5p each fully paid, issued on 23 December 2010

9. Total number of securities in issue at the end of the period:

15,762,341

Name of contact

Nigel Clark, Financial Director

Address of contact

CML Microsystems Plc. Oval Park, Langford, Maldon, Essex, CM9 6WG

Telephone number of contact

01621 875500