Holding(s) in Company

Morgan Sindall PLC
05 December 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:                   Disposal of voting rights

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 Canada Ltd
                                                        Barclays Global Investors Japan Ltd
                                                        Barclays Global Investors Ltd
                                                        Barclays Life Assurance Co Ltd
                                                        Barclays Private Bank and Trust Ltd
                                                        Barclays Stockbrokers Ltd
                                                        Gerrard Investment Management Ltd

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

6        Date on which issuer notified:                 4 December 2007

7        Threshold(s) that is/are crossed or reached:   5% to 3%


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
                        2,146,843                                      2,146,843

GB0008085614
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

                       1,647,581                       0               1,647,581        0               3.85

GB0008085614

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           Period/Date                   may be acquired if the
                                                                       instrument is exercised/
                                                                       converted

Total (A+B)

Number of voting rights                                % of voting rights


1,647,581                                              3.85


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 Canada Ltd
         applicable:                                      Barclays Global Investors Japan Ltd
                                                          Barclays Global Investors Ltd
                                                          Barclays Life Assurance Co Ltd
                                                          Barclays Private Bank and Trust Ltd
                                                          Barclays Stockbrokers Ltd
                                                          Gerrard Investment Management 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:              C Sheridan, Deputy Company Secretary

15       Contact telephone number:                     020 7307 9221


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
representative for legal persons)

B:  Identity of the notifier, if applicable

Full name                                              Geoff Smith

Contact address

Phone number                                           020 7116 2913

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




                      This information is provided by RNS
            The company news service from the London Stock Exchange