Blocklisting Interim Review

SIG PLC 03 August 2006 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: 04 February 2006 TO: 03 August 2006 4. NUMBER AND CLASS OF SHARE(S) (AMOUNT OF STOCK/DEBT SECURITY) NOT ISSUED UNDER SCHEME 51,553 Ordinary 10p Shares AT END OF THE LAST PERIOD: 200,000 Additional Listing (See Box 7) 5. NUMBER OF SHARES ISSUED/ALLOTTED UNDER SCHEME DURING PERIOD: 198,217 Ordinary 10p Shares 6. BALANCE UNDER SCHEME NOT YET ISSUED/ALLOTTED AT END OF PERIOD: 53,336 Ordinary 10p Shares 7. NUMBER AND CLASS OF SHARE(S) 254,082 Ordinary 10p Shares (AMOUNT OF STOCK/DEBT SECURITIES) Admitted 28 March 2002 ORIGINALLY LISTED AND THE DATE OF 200,000 Ordinary 10p Shares ADMISSION: Admitted 12 April 2006 PLEASE CONFIRM TOTAL NUMBER OF SHARES IN ISSUE AT THE END OF THE PERIOD Total number of shares in issue at IN ORDER FOR US TO UPDATE OUR RECORDS. 3 August 2006 was 123,014,387 CONTACT FOR QUERIES R C Monro NAME: Richard Monro TELEPHONE: 0114 285 6355 This information is provided by RNS The company news service from the London Stock Exchange

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SIG (SHI)
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