Holding(s) in Company

Morgan Sindall PLC
30 November 2006



Morgan Sindall plc

30 November 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 Ltd:
           BNY Norwich Union Nominees Limited                    485,332*
           Chase GA Group Nominees Limited                     1,113,160*
           Chase Nominees Limited                                 89,104*
           CUIM Nominee Limited                                  387,335*
           Kadoorie McAuley International Limited                 48,900*

           * denotes beneficial interest



5.         Number of shares acquired:

           23,714



6.         Percentage of issued class:

           0.06%



7.         Number of shares disposed:

           n/a



8.         Percentage of issued class:

           n/a



9.         Class of Security:

           Ordinary shares of 5p each



10.        Date of transaction:

           28 November 2006



11.        Date company informed:

           30 November 2006



12.       Total holding following this notification:

          2,123,831*

          * beneficial interest only



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

          5.00%




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:

          30 November 2006




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