Blocklisting Interim Review

Wolseley PLC 01 September 2006 Block Listing Six-Monthly Return 1 Name of company: Wolseley plc 2 Name of Scheme: Employee Savings Related Share Option Scheme 1981 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 the end of last period: 916,830 Ordinary 25p shares 5 Number of shares issued/allotted under scheme during period: 799,612 Ordinary 25p shares 6 Balance under scheme not yet issued/allotted under scheme at end of period: 117,218 Ordinary 25p shares 7 Number and class of share(s) (amount of stock/debt securities) originally listed and the date of admission: 500,000 Ordinary 25p shares listed on 11.10.2000 ref RA/0005-0001 (utilised) 100,000 Ordinary 25p shares listed on 02.04.2002 ref RA/Wolseley plc/00010 (utilised) 900,000 Ordinary 25p shares listed on 04.11.2002 ref RA/Wolseley plc/00011 (utilised) 1,000,000 Ordinary 25p shares listed on 01.10.2003 ref RA/Wolseley plc/00012 (utilised) 600,000 Ordinary 25p shares listed on 01.10.2004 ref Wolseley plc/0-976-402 (utilised) 500,000 Ordinary 25p shares listed on 30.09.2005 ref Wolseley plc/0-976-402 Please confirm total number of shares in issue at the end of the period in order for us to update our records: 597,706,564 Ordinary 25p shares Contact name for queries: M J White Contact telephone number: 0118 929 8700 Contact address: Parkview 1220, Arlington Business Park, Theale, Reading, RG7 4GA Name of person making return: M J White Position of person making return: Group Company Secretary & Counsel Additional Information: This information is provided by RNS The company news service from the London Stock Exchange

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