Holding(s) in Company

Henderson High Income Trust PLC
05 October 2005

                                  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


LEGAL & GENERAL GROUP PLC



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


IN RESPECT OF SHAREHOLDERS NAMED IN 2 ABOVE



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


HSBC GLOBAL CUSTODY



5. Number of shares / amount of stock acquired


-



6. Percentage of issued class


-



7. Number of shares / amount of stock disposed


-



8. Percentage of issued class


-



9. Class of security


ORDINARY 5P SHARES



10. Date of transaction


UNKNOWN



11. Date company informed


5 OCTOBER 2005



12. Total holding following this notification


NOT NOTIFIED



13. Total percentage holding of issued class following this notification


NO LONGER NOTIFIABLE



14. Any additional information


REDUCTION IN PERCENTAGE OF SHARES OWNED DUE TO INCREASE IN ISSUED SHARE CAPITAL



15. Name of contact and telephone number for queries


DEBORAH TRICKETT - 020 7818 6816



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


DEBORAH TRICKETT, FOR AND ON BEHALF OF HENDERSON SECRETARIAL SERVICES LIMITED, 
SECRETARY



Date of notification


5 OCTOBER 2005




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