Blocklisting Interim Review

SIG PLC
03 August 2005

                              SCHEDULE 5

                    BLOCKLISTING SIX MONTHLY REVIEW


1. NAME OF COMPANY:

SIG plc


2. NAME OF SCHEME:

SIG plc - Long Term Incentive Plan


3. PERIOD OF RETURN:     FROM:  4 February 2005   TO:  3 August 2005


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

65,879 Ordinary 10p Shares


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

NIL


6. BALANCE UNDER SCHEME NOT YET ISSUED/ALLOTTED 
   AT END OF PERIOD:

65,879 Ordinary 10p Shares


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

254,082 Ordinary 10p Shares
Admitted 28 March 2002

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

Total number of shares in issue
at 3rd August 2005 was 121,776,442


CONTACT FOR QUERIES

NAME:           R C Monro

TELEPHONE:      [phone]



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