Holding(s) in Company

Morgan Sindall PLC
22 February 2007


TR1: NOTIFICATION OF MAJOR INTERESTS IN SHARES

  1   Identity of the issuer or the   Morgan Sindall plc
----- underlying issuer of existing   -----------------------------
      shares to which voting rights
      are attached:
      --------------------
                                
      --------------------            -----------------------------
  2   Reason for the notification:    Acquisition of voting rights
----- --------------------            -----------------------------
                                 
      --------------------            -----------------------------
  3   Full name of person(s) subject  Standard Life Investments Ltd
----- to the notification obligation: -----------------------------
      --------------------
                                
      --------------------            -----------------------------
  4   Full name of shareholders(s):   Registered holder:
                                      Vidacos Nominees

-----
      --------------------            -----------------------------
  5   Date of the transaction and     20 February 2007
----- date on which the threshold is  -----------------------------
      crossed or reached:
      --------------------
-----
      --------------------            -----------------------------
  6   Date on which issuer notified:  21 February 2007
-----                                 -----------------------------

  7   Threshold(s) that is/are        Total holding increased above 11% boundary
----- crossed or reached:             -----------------------------
      --------------------

  8   Notified details: Standard Life Investments Ltd acquired 143,459 shares
----- -----------------------------------------------

A: Voting rights attached to shares
---------------------------------------------------

Class/type of     Situation previous to the triggering transaction
shares If         -----------------------------------------
possible using                                -------------------------
the ISIN code     Number of shares            Number of voting rights
------------      ------------------          -------------------------
------------
GB0008085614                      4,630,855                             4,630,855
------------               ------------------             -------------------------

                 -----------------------------------------
Class/type of    Resulting situation after the triggering transaction
shares If        -----------------------------------------
possible using                    ---------------         ------------------
the ISIN code    Number of        Number of voting        % of voting rights
------------     shares           rights                  ------------------
                 ------------     ---------------
                                                          ----------  -----------
                                  Direct      Indirect    Direct      Indirect
                     ------------ --------    --------    ----------  -----------
------------
Ordinary              2,441,114   2,441,114   2,333,200       5.741%         5.487%
GB0008085614
------------         ------------    --------    --------  ----------    -----------

B: Financial instruments
---------------------------------------------------

Resulting situation after the triggering transaction
---------------------------------------------------

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

Total (A+B)
---------------------------------------------------
                                     -----------------------------
Number of voting rights              % of voting rights
------------------------             -----------------------------
                         4,774,314                                          11.228%
            ------------------------                   -----------------------------
                                     -----------------------------
  9   Chain of controlled            Standard Life Investments Ltd
----- undertakings through 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            Mary Nettleship, Company Secretary
----- information:                   -----------------------------
      --------------------
-----
      --------------------           -----------------------------
 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  Standard Life Investments Ltd
legal entities)                      -----------------------------
------------------------
Contact address (registered office   Investment House
for legal entities)
                                     1 George Street
                                     Edinburgh EH2 2LL
            ------------------------ -----------------------------
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
                                     Global Transaction Services
            ------------------------ -----------------------------
Contact address                      1 Greenside Row
                                     Edinburgh
                                     EH1 3AJ
            ------------------------ -----------------------------
Phone number                         0131 524 2841
------------------------             -----------------------------
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
        EADAAAEDXEFE