RNS Number:8115S
CML Microsystems PLC
3 December 2003


                    BLOCKLISTING SIX MONTHLY REVIEW


1. NAME OF COMPANY:   CML MICROSYSTEMS PLC



2. NAME OF SCHEME:    EMPLOYEE SHARE OPTION SCHEME



3. PERIOD OF RETURN:     FROM:  1 JUNE 2002   TO:  30 NOVEMBER 2003



4. NUMBER AND CLASS OF SHARES(S)
   (AMOUNT OF STOCK/DEBT SECURITY)   1,133,240
   NOT ISSUED UNDER SCHEME
   AT END OF THE LAST PERIOD:



5. NUMBER OF SHARES ISSUED/ALLOTTED
   UNDER SCHEME DURING PERIOD:       100,088



6. BALANCE UNDER SCHEME NOT YET ISSUED/ALLOTTED 
   AT END OF PERIOD:     1,033,152



7. NUMBER AND CLASS OF SHARE(S) 
   (AMOUNT OF STOCK/DEBT SECURITIES)              SEE PREVIOUS RETURN
   ORIGINALLY LISTED AND THE DATE OF ADMISSION:


PLEASE CONFIRM TOTAL NUMBER OF SHARES IN ISSUE AT THE END OF THE PERIOD
IN ORDER FOR US TO UPDATE OUR RECORDS.

14,718,117


CONTACT FOR QUERIES

NAME:        TIM REDFERN
TELEPHONE:   020 7071 4212




                      This information is provided by RNS
            The company news service from the London Stock Exchange

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