Holding(s) in Company

Morgan Sindall PLC
01 February 2008

TR1: NOTIFICATION OF MAJOR INTERESTS IN SHARES


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

        Morgan Sindall plc

2       Reason for the notification:    

        A disposal of voting rights


3       Full name of person(s) subject to the notification obligation:      

        JPMorgan Chase & Co

4       Full name of shareholders(s):    

        JPMorgan Asset Management (Japan) Limited

        JPMorgan Asset Management (UK) Limited

5       Date of the transaction and date on which the threshold is crossed  
        or reached:

        30 January 2008

6       Date on which issuer notified:     

        1 February 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 the triggering transaction
If possible using the
ISIN code
                      Number of shares                               Number of voting rights

GB0008085614          2,242,702                                      2,242,702


Class/type of shares  Resulting situation after the triggering transaction
If possible using the
ISIN code
                      Number of shares                Number of voting rights         % of voting rights
                                                      Direct         Indirect         Direct          Indirect
Ordinary shares

GB0008085614          2,081,221                       0              2,081,221        0               4.86%

B:  Financial instruments



Resulting situation after the triggering transaction


Type of financial        Expiration     Exercise/Conversion          Number of voting rights that  % of voting rights
instrument               date                                        may be acquired if the
                                        Period/Date                  instrument is exercised/
                                                                     converted
N/A



Total (A+B)


Number of voting rights                                    % of voting rights

2,081,221                                                  4.86%


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

Total disclosure holding for JPMorgan Chase & Co.:  
2,081,221 voting rights (4.86%)


Proxy Voting:


10      Name of the 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:                              

        Please note the group has other holdings which are covered by exemptions.


14      Contact for further information:                     

        Mary Nettleship

15      Contact telephone number:

        020 7307 9218



Annex to Notification of Major Interests in Shares


A:  Identity of the person or legal entity subject to the notification obligation


Full name (including legal form for legal entities)          JPMorgan Chase & Co

Contact address (registered office for legal entities)

Phone number                                                 020 7325 4513


Other useful information (at least legal representative for  Tracey Young
legal persons)



B:  Identity of the notifier, if applicable


Full name                                                    Tracey Young

Contact address

Phone number                                                 020 7325 4513

Other useful information (e.g. functional relationship with
the person or legal entity subject to the notification
obligation)












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