Net Asset Value(s)

Henderson High Income Trust PLC
22 November 2006


HENDERSON GLOBAL INVESTORS



22 November 2006



HENDERSON HIGH INCOME TRUST PLC

As at close of business on 21 November 2006, the unaudited net asset value per
share calculated in accordance with the AIC formula (excluding current financial
year revenue items) was 173.5p.




For further information, please call:

John Hilton, Investment Trust Accounting Department

BNP Paribas Fund Services UK Limited

Tel: [phone]




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