Holding(s) in Company

Shanks Group PLC
23 April 2008



Schroder Plc
31 Gresham Street, London EC2V 7QA
Telephone [phone]   Fax  [phone]
www.schroders.com


TR-1: Notifications of Major Interests in Shares




1. Identity of the issuer or the underlying issuer of            Shanks Group Plc
existing shares to which voting rights are attached:


2. Reason for notification (yes/no)


An acquisition or disposal of voting rights


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                     yes


Other (please specify):______________


3. Full name of person(s) subject to notification                     Schroders plc
obligation:


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


5. Date of transaction (and date on which the                            21.04.08
threshold is crossed or reached if different):


6. Date on which issuer notified:                                        22.04.08


7. Threshold(s) that is/are crossed or reached:                         14% - 13%








8: Notified Details
A: Voting rights attached to shares


Class/type of       Situation previous to the Resulting situation after the triggering transaction
shares              triggering transaction
                    Number of    Number of    Number of     Number of voting rights   Percentage of voting
If possible use     shares       voting       shares                                  rights
ISIN code                        rights

                                                            Direct       Indirect     Direct      Indirect
     Ordinary
                    33,926,063    33,926,063   33,926,063       N/A      30,983,387      N/A        13.08%
   GB0007995243                   






B: Financial Instruments


Resulting situation after the triggering transaction


Type of financial    Expiration date      Exercise/ conversion No. of voting rights  Percentage of voting
instrument                                period/date          that may be acquired  rights
                                                               (if the instrument
                                                               exercised/converted)





Total (A+B)


Number of voting rights                              Percentage of voting rights


     30,983,387                                             13.08%






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

Schroder Investment Management Limited     30,983,387    13.08%




Proxy Voting:


10. Name of proxy holder:


11. Number of voting rights proxy holder will cease
to hold:


12. Date on which proxy holder will cease to hold
voting rights:




13. Additional information:                            The shares referred to in section 9 are held in
                                                       portfolios managed by those firms on a discretionary
                                                       basis for clients under investment management
                                                       agreements.
14 Contact name:

                                                                            Andrea Rowe
15. Contact telephone name:

                                                                           020 7658 2521
Shanks Group plc contact                                          Phil Griffin-Smith 01628 554920




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