Holding(s) in Company

RNS Number:2644Q
Development Secs(Investments)PLC
18 August 2005

                                  SCHEDULE 10

                   NOTIFICATION OF MAJOR INTERESTS IN SHARES


1.     Name of company

       Development Securities Plc

2.     Name of shareholder having a major interest

       Fidelity International Limited and its direct and indirect subsidiaries

3.     Please state whether notification indicates that it is in respect of 
       holding of the shareholder named in 2 above or in respect of a 
       non-beneficial interest or in the case of an individual holder if it is a 
       holding of that person's spouse or children under the age of 18.

       As Above

4.     Name of the registered holder(s) and, if more than one holder, the number 
       of shares held by each of them Brown Bros Harriman Ltd Lux: 5,910

       JP Morgan Bournemouth: 691,619
       JP Morgan Chase Bank: 4,500
       Mellon Bank N.A.: 157,900
       Northern Trust Co: 22,300
       Bank Of New York: 8,000
       Bank Of New York Brussels: 26,100
       Clydesdale Bank Plc: 21,390

       
5.     Number of shares/amount of stock acquired

       Not stated

       
6.     Percentage of issued class

       Not stated

       
7.     Number of shares/amount of stock disposed

       2,077,015

       
8.     Percentage of issued class

       Not stated

       
9.     Class of security

       Ordinary Shares

       
10.    Date of transaction

       15 August 2005

       
11.    Date company informed

       18 August 2005

       
12.    Total holding following this notification

       937,719

       
13.    Total percentage holding of issued class following this notification

       2.57%

       
14.    Any additional information

       
15.    Name of contact and telephone number for queries

       Michael Marx 020-7828-4777

16.    Name and signature of authorised company official responsible for making 
       this notification.

       Michael Marx, Joint Managing Director


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