Holding(s) in Company

Henderson High Income Trust PLC
30 May 2002

                                  SCHEDULE 10

                   NOTIFICATION OF MAJOR INTERESTS IN SHARES

1) Name of company

HENDERSON HIGH INCOME TRUST PLC

2) Name of shareholder having a major interest

LAING & CRUICKSHANK INVESTMENT MANAGEMENT

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

-

4) Name of the registered holder(s) and, if more than one holder, the
number of shares held by each of them

LAING & CRUICKSHANK INVESTMENT MANAGEMENT

5) Number of shares/amount of stock acquired

NOT NOTIFIED

6) Percentage of issued class

-

7) Number of shares/amount of stock disposed

NOT NOTIFIED

8) Percentage of issued class

-

9) Class of security

ORDINARY 5P SHARES

10) Date of transaction

NOT NOTIFIED

11) Date company informed

30 MAY 2002

12) Total holding following this notification

54,178,865


13) Total percentage holding of issued class following this notification

12.80%

14) Any additional information


15) Name of contact and telephone number for queries

JOHN ELLMAN-BROWN, 020 7818 6816

16) Name and signature of authorised company official responsible for making
this notification
JOHN ELLMAN-BROWN FOR AND ON BEHALF OF HENDERSON SECRETARIAL SERVICES LIMITED
Date of notification 30 MAY 2002



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