Blocklisting Interim Review

Sondex PLC
06 September 2006


                    BLOCKLISTING SIX MONTHLY REVIEW


1. NAME OF COMPANY:                    SONDEX PLC


2. NAME OF SCHEME:                     SONDEX 1998 EXECUTIVE SHARE OPTION SCHEME


3. PERIOD OF RETURN:                   FROM: 1 MARCH 2006     TO: 31 AUGUST 2006


4. NUMBER AND CLASS OF SHARE(S)
   (AMOUNT OF STOCK/DEBT SECURITY)
   NOT ISSUED UNDER SCHEME
   AT END OF THE LAST PERIOD:          118,262 ORDINARY SHARES OF 10p EACH


5. NUMBER OF SHARES ISSUED/ALLOTTED
   UNDER SCHEME DURING PERIOD:         21,966 ORDINARY SHARES OF 10p EACH


6. BALANCE UNDER SCHEME NOT YET ISSUED/ALLOTTED 
   AT END OF PERIOD:                   96,296 ORDINARY SHARES OF 10p EACH



7. NUMBER AND CLASS OF SHARE(S) 
   (AMOUNT OF STOCK/DEBT SECURITIES) 
   ORIGINALLY LISTED AND THE DATE OF   338,600 ORDINARY SHARES OF 10p EACH
   ADMISSION:                          18TH JULY 2003


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

56,714,197 ORDINARY SHARES OF 10p EACH


CONTACT FOR QUERIES

NAME:          HELEN OSBORN
TELEPHONE:



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