Blocklisting Interim Review

SIG PLC 06 August 2007 SCHEDULE 5 BLOCKLISTING SIX MONTHLY RETURN 1. Name of company SIG plc 2. Name of scheme SIG plc - The Sheffield Insulation Group plc - Savings Related Share Option Scheme 3. Period of return: From To 4 February 2007 3 August 2007 4. Number and class of share(s) (amount of stock / debt security) not issued under scheme 449,570 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 449,570 Ordinary 10p Shares 7. Number and class of share(s) (amount of stock / debt securities) originally listed and the date of admission; 949,752 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 4 August 2007 was 134,966,370 Contact for queries Richard Monro Hillsborough Works, Langsett Road, Sheffield S6 2LW Telephone 0114 2856355 Person making the return Richard Monro Company Secretary The FSA does not give any express or implied warranty as to the accuracy of this document or material and does not accept any liability for error or omission. The FSA is not liable for any damages (including, without limitation, damages for loss of business or loss of profits) arising in contract, tort or otherwise from the use of or inability to use this document, or any material contained in it, or from any action or decision taken as a result of using this document or any such material. This information is provided by RNS The company news service from the London Stock Exchange LRIIFFATAIRIID

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SIG (SHI)
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