Holding(s) in Company

Morgan Sindall PLC
22 August 2006



Morgan Sindall plc
22 August 2006


Notification of major Interests in Shares

     
1.   Name of listed company:

     Morgan Sindall plc


2.   Name of shareholder having a major interest:

     Aviva plc and its subsidiaries


3.   Please state whether notification indicates that it is regarding the
holding of the shareholder named in 2 above or in respect of a non-beneficial
interest:

     As in paragraph 2 above


4.   Name of registered holder:

     Morley Fund Management Limited:
     BNY Norwich Union Nominees Limited             476,374*
     Chase GA Group Nominees Limited              1,102,701*
     Chase Nominees Limited                          87,681*
     CUIM Nominee Limited                           398,022*
     Kadoorie McAuley International Limited          48,900*

     * denotes beneficial interest

     
5.   Number of shares acquired:

     n/a


6.   Percentage of issued class:

     n/a


7.   Number of shares disposed:

     4,470


8.   Percentage of issued class:

     0.01%


9.   Class of Security:

     Ordinary shares of 5p each


10.  Date of transaction:

     18 August 2006


11.  Date company informed:

     22 August 2006


12.  Total holding following this notification:

     2,113,678*

     * beneficial interest only


13.  Total percentage holding of issued class following this notification:

     4.99%


14.  Name of contact and telephone number for queries:

     Mary Nettleship - 020 7307 9218


15.  Name of company official responsible for making this notification:

     Mary Nettleship, Company Secretary


16.  Date of notification:

     22 August 2006



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