Holding(s) in Company

Morgan Sindall PLC
12 March 2007

TR1: NOTIFICATION OF MAJOR INTERESTS IN SHARES


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

2        Reason for the notification:                  Initial notification of shareholding under Transparency Directive

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

4        Full name of shareholders(s):                 Barclays Bank PLC
                                                       Barclays Capital Securities Ltd
                                                       Barclays Global Investors Ltd
                                                       Barclays Life Assurance Co Ltd
                                                       Barclays Private Bank and Trust Ltd
                                                       Barclays Stockbrokers Ltd
                                                       Gerrard Ltd

5        Date of the transaction and date on which the 6 March 2007
         threshold is crossed or reached:

6        Date on which issuer notified:                8 March 2007

7        Threshold(s) that is/are crossed or reached:  N/A

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           2,407,521                                       5.66%


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


GB0008085614           2,407,172                       0               2,407,172        0                5.66%


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

2,407,172                                              5.66%


9        Chain of controlled undertakings through      Barclays Bank plc
         which the voting rights and/or the financial  Barclays Capital Securities Ltd
         instruments are effectively held, if          Barclays Global Investors Ltd
         applicable:                                   Barclays Life Assurance Co Ltd     
                                                       Barclays Private Bank and Trust Ltd
                                                       Barclays Stockbrokers Ltd
                                                       Gerrard Ltd
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:

14       Contact for further information:              Mary Nettleship, Company Secretary

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)    Barclays Plc
Contact address (registered office for legal entities)
Phone number                                           020 7116 2913
Other useful information (at least legal               Geoff Smith
representative for legal persons)
B:  Identity of the notifier, if applicable


Full name                                              Barclays Compliance
Contact address
Phone number
Other useful information (eg functional relationship
with the person or legal entity subject to the
notification obligation)




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