Dividend Declaration

Henderson High Income Trust PLC
17 November 2004

HENDERSON HIGH INCOME TRUST PLC

HENDERSON GLOBAL INVESTORS

17 NOVEMBER 2004





                        HENDERSON HIGH INCOME TRUST PLC

                       PAYMENT OF THIRD INTERIM DIVIDEND

Henderson High Income Trust plc announces that a third interim dividend of
2.475p per Ordinary Share of 5p, in respect of the year ending 31 December 2004,
will be paid on 31 January 2005 to holders registered at the close of business
on 7 January 2005.


The dividend will be paid both on the ordinary shares of 5p and on the units
(which comprise one ordinary share of 5p and one zero dividend preference share
of 50p in Henderson High Income Trust Securities plc).



                                    - ENDS -



For further information please contact:


Alex Crooke                               Or        Vicki Staveacre
Henderson Global Investors                          Henderson Press Office
Telephone: [phone]                            Telephone: [phone]

James Henderson
Henderson Global Investors
Telephone: [phone]




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