SAR 5 - Keller Group Plc

Schroders PLC
12 May 2006

                                                                      FORM SAR 5



                            DISCLOSURE OF DISPOSALS

       (Rule 5 of The Rules Governing Substantial Acquisitions of Shares)




Name of seller                                  Schroders Plc
Beneficial owner, if different from above       Clients under discretionary management agreements with Schroder
                                                Investment Management Limited and its associates and subsidiaries.



Names of any other persons acting by agreement  n/a
or understanding (see SAR 5)
Company dealt in                                Keller Group Plc

Class of voting shares (eg ordinary shares)     Ord 10p

Date of disposal                                11.05.06





Number of shares disposed of                    32,826

Number of rights over shares disposed of #      n/a
Nature of rights over shares                    n/a




Total holding of voting shares (and percentage  9,776,354 (14.955%)
of total voting shares in issue)

Total holding of rights over shares (and        n/a
percentage of total voting shares in issue)

Combined total holding (and percentage) of      9,776,354 (14.955%)
voting shares and rights over shares





Date of disclosure                              12.05.06

Contact name                                    Albion Onojobi

Telephone number                                020 7658 2962




#  See the definition of 'rights over shares' in the Definitions Section of the
SARs.



For details of the SARs disclosure requirements, see SARs 3 and 5 and their
Notes which can be viewed on the Takeover Panel's website at
www.thetakeoverpanel.org.uk.




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