Blocklisting Interim Review

SIG PLC 04 February 2008 SCHEDULE 5 BLOCKLISTING SIX MONTHLY RETURN 1. Name of company SIG plc 2. Name of scheme The Sheffield Insulations Group plc - 1989 Share Option Scheme 3. Period of return: From 4 August 2007 To 3 February 2008 4. Number and class of share(s) (amount of stock / debt security) not issued under scheme 139,407 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 139,407 Ordinary 10p Shares 7. Number and class of share(s) (amount of stock / debt securities) originally listed and the date of admission; 1,176,188 Ordinary 10p Shares 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 3 February 2008 was 135,002,485 Contact for queries Richard Monro Address Hillsborough Works, Langsett Road, Sheffield S6 2LW Telephone 0114 2856355 Person making the return Richard Monro Company Secretary 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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