Holding(s) in Company

Morgan Sindall PLC
21 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:                  Pursuant to the transitional provisions under the Disclosure and
                                                       Transparency Rules (DTR5)

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

4        Full name of shareholders(s):                 John Christopher Morgan

                                                       Legis Trust Limited 5746JCM

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

6        Date on which issuer notified:                19 March 2007

7        Threshold(s) that is/are crossed or reached:  9%

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

Ordinary shares        4,130,984                                       4,130,984


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

Ordinary shares        4,090,134                       4,090,134                        100%

LTIP shares                 40,850                                     40,850                            100%


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


4,130,984                                              9.71%

9        Chain of controlled undertakings through      See 4 above
         which the voting rights and/or the financial
         instruments are effectively held, if
         applicable:


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:              I M 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)    John Christopher Morgan
Contact address (registered office for legal entities) c/o Morgan Sindall plc, 77 Newman Street, London, W1T 3EW
Phone number                                           020 7307 9210
Other useful information (at least legal
representative for legal persons)
B:  Identity of the notifier, if applicable


Full name                                              John Christopher Morgan
Contact address
Phone number                                           020 7307 9210
Other useful information (eg functional relationship
with the person or legal entity subject to the
notification obligation)




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