Net Asset Value(s)

Henderson High Income Trust PLC
15 August 2005


HENDERSON GLOBAL INVESTORS

15 AUGUST 2005




HENDERSON HIGH INCOME TRUST PLC

As at close of business on 12 August 2005, the unaudited net asset values
calculated in accordance with the AITC formula (excluding current financial year
revenue items) were 138.3p per ordinary share and 212.3p per unit.



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For further information, please call:

John Hilton, Investment Trust Accounting Department

BNP Paribas Fund Services UK Limited

Tel: [phone]




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