Listing Rule 21

Henderson High Income Trust PLC
05 January 2004

HENDERSON HIGH INCOME TRUST PLC

HENDERSON GLOBAL INVESTORS

5 JANUARY 2004



                        HENDERSON HIGH INCOME TRUST PLC


                                Listing Rule 21




In accordance with paragraph 21.20 (l) (ii) of the Listing Rules, Henderson High
Income Trust plc announces its ten largest investments, including all
investments with a value greater than 5% of its gross assets, as at 31 December
2003:


Company                            % Total Assets

BP                                 2.22

Gallaher                           2.20

British American Tobacco           2.20

GlaxoSmithKline                    2.13

HSBC                               2.12

Shell Transport & Trading          2.01

HBOS                               1.91

Lloyds TSB                         1.46

BT                                 1.45

Barclays                           1.44

This excludes group investments.


                                    - ENDS -



For further information, please call:


Alex Crooke

Henderson High Income Trust plc

Telephone: [phone]


Stephen Westwood

Head of Investment Trusts

Henderson Global Investors

Telephone: [phone]


Stephen Phillips

Associate Director

Henderson Global Investors

Telephone: [phone]


                      This information is provided by RNS
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