RNS Number:9794S
Advance Developing Markets Tst PLC
08 December 2003

                                  SCHEDULE 10

                   NOTIFICATION OF MAJOR INTERESTS IN SHARES

Name of company
Advance Developing Markets Trust plc


2) Name of shareholder having a major interest
City of London Investment Management Company Limited


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
Non-beneficial interest as fund manager


4) Name of the registered holder(s) and, if more than one holder, the
number of shares held by each of them
Mellon UK Nominees Ltd a/c BSDTUSD

5) Number of shares/amount of stock acquired
11,470,000


6) Percentage of issued class
14.52%


7) Number of shares/amount of stock disposed
-


8) Percentage of issued class
-


9) Class of security
Ordinary shares of 1p


10) Date of transaction
Not known


11) Date company informed
8 December 2003


12) Total holding following this notification
11,470,000


13) Total percentage holding of issued class following this notification
14.52%


14) Any additional information
-


15) Name of contact and telephone number for queries

J.L. Luetchford  0207-490-4355


16) Name of authorised company official responsible for
making this notification

J.L. Luetchford

Date of notification 8 December 2003



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

HOLEAFAPELNDFFE