Holding(s) in Company

Wolseley PLC
29 January 2008


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:

Capital Reearch and Management Company

4. Full name of shareholder(s) (if different from 3.):

5. Date of the transaction (and date on which the threshold is crossed or
reached if different):

24 January 2008

6. Date on which issuer notified:

25 January 2008
7. Threshold(s) that is/are crossed or reached:

5%

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 31,801,700 31,801,700

Resulting situation after the triggering transaction
Number of Number of voting rights % of voting rights
shares Direct Indirect Direct Indirect

33,506,723 0 33,506,723 0 5.0644%

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

33,506,723 5.0644%

9. Chain of controlled undertakings through which the voting rights and/or the
financial instruments are effectively held, if applicable:

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:

14. Contact name:

Richard I. Shoylekov

15. Contact telephone number:

0118 929 8700







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