Holding in Company

Henderson High Income Trust PLC
1 August 2000


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:
HENDERSON INVESTORS AND ITS ASSOCIATED COMPANIES (ACTING AS AGENT FOR ITS
DISCRETIONARY CLIENTS)

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 IN 2 ABOVE

4   Name of registered holder(s) and, if more than one holder, the number of
shares held by each of them:
NOT STATED

5   Number of shares/amount of stock acquired:
-

6   Percentage of issued class:
-

7   Number of shares/amount of stock disposed:
50,000

8   Percentage of issued class:
INSIGNIFICANT

9   Class of security:
ORDINARY SHARES OF 25p

10  Date of transaction:
28 JULY 2000

11  Date company informed:
1 AUGUST 2000

12  Total holding following this notification:
5,246,439

13  Total percentage holding of issued class following this notification:
9.97%

14  Contact name for queries:
GEOFFREY RICE

15 Contact telephone number:
020 7410 4469

16  Name of company official responsible for making notification:
FOR AND ON BEHALF OF HENDERSON SECRETARIAL SERVICES
SECRETARY TO HENDERSON HIGH INCOME TRUST PLC

17  Date of notification:
1 AUGUST 2000


Additional Information: