Holding(s) in Company

Morgan Sindall PLC
27 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 disclosure under the Financial Services Authority's
                                                       Disclosure Transparency Rules

3        Full name of person(s) subject to the         Standard Life Investments Ltd
         notification obligation:

4        Full name of shareholders(s):                 Vidacos Nominees

5        Date of the transaction and date on which the 23 March 2007
         threshold is crossed or reached:

6        Date on which issuer notified:                27 March 2007

7        Threshold(s) that is/are crossed or reached:  Direct voting rights exceed 6%, indirect voting rights exceed 5%
                                                       and total voting rights exceed 11%

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
                       Initial disclosure                              Initial disclosure
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
                       2,678,649                       2,678,649       2,231,655        6.300%           5.248%

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
N/A

Total (A+B)

Number of voting rights                                % of voting rights

4,910,304
                                                       11.548%
9        Chain of controlled undertakings through      Standard Life Investments Ltd
         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:              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)    Citigroup
Contact address (registered office for legal entities) Transaction Control, Citigroup, 1 Greenside Row, Edinburgh, EH1
                                                       3AJ
Phone number                                           0131 524 2841
Other useful information (at least legal
representative for legal persons)
B:  Identity of the notifier, if applicable

Full name                                              Citigroup
Contact address
Phone number                                           0131 524 2841
Other useful information (eg functional relationship
with the person or legal entity subject to the
notification obligation)




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