Holding(s) in Company

Wolseley PLC 29 October 2007 TR-1: NOTIFICATION OF MAJOR INTERESTS IN SHARES (1). Identity of the issuer or the underlying issuer of existing shares to which voting rights are attached: Wolseley plc 2. Reason for the notification (please state Yes/No): ( ) An acquisition or disposal of voting rights: (YES) An acquisition or disposal of financial instruments which may result in the acquisition of shares already issued to which voting rights are attached: ( ) An event changing the breakdown of voting rights: ( ) Other (please specify) : ( ) 3. Full name of person(s) subject to the notification obligation: Legal & General Group Plc (L&G) 4. Full name of shareholder(s) (if different from 3.): Legal & General Assurance (Pensions Management) Limited (PMC) 5. Date of the transaction (and date on which the threshold is crossed or reached if different): 17 October 2007 6. Date on which issuer notified: 29 October 2007 7. Threshold(s) that is/are crossed or reached: INCREASED FROM 3% TO 4% (L&G) 8. Notified details: A: Voting rights attached to shares Class/type of shares Situation previous to if possible using the the Triggering ISIN CODE transaction Number of shares Number of voting Rights --------------------------------------------------------------------- ORD 25P 22,700,719 22,700,719 Resulting situation after the triggering transaction Number of Number of voting rights % of voting rights shares Direct Indirect Direct Indirect -------------------------------------------------------------------- 26,880,002 26,880,002 0 4.06 0 B: Financial Instruments Resulting situation after the triggering transaction Type of Expiration Exercise No. of voting % of voting financial Date conversion rights that may rights instrument Period/Date be acquired (if the instrument is exercised/converted) Total (A+B) Number of voting rights % of voting rights ---------------------------------------------- 26,880,002 4.06% 9. Chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held, if applicable: Legal & General Group Plc (Direct and Indirect) (Group) Legal & General Investment Management (Holdings)Limited (LGIMH) (Direct and Indirect) Legal & General Investment Management Limited (Indirect) (LGIM) Legal & General Group Plc (Direct) (L&G) (26,880,002 - 4.06% = LGAS, LGPL & PMC) Legal & General Investment Management Legal & General Insurance Holdings (Holdings) Limited (Direct) (LGIMHD) Limited (Direct) (LGIH) (23,295,101- 3.52% = PMC) Legal & General Assurance (Pensions Legal & General Assurance Society Management) Limited (PMC) (23,295,101- Limited (LGAS & LGPL) 3.52% = PMC) Legal & General Pensions Limited (Direct) (LGPL) Proxy Voting: 10. Name of the proxy holder: N/A 11. Number of voting rights proxy holder will cease to hold: N/A 12. Date on which proxy holder will cease to hold voting rights: N/A 13. Additional information: Please note this notification has been delayed due to the large number of disclosures required following a substantial amount of new business which has come to us in the form of an in-specie transfer. 14. Contact name: Charles P Watters 15. Contact telephone number: 0118 929 8700 This information is provided by RNS The company news service from the London Stock Exchange SS

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