Net Asset Value(s)

Henderson High Income Trust PLC
07 August 2007


HENDERSON GLOBAL INVESTORS

7 August 2007


HENDERSON HIGH INCOME TRUST PLC

As at close of business on 6 August 2007, the unaudited net asset value per
share calculated in accordance with the AIC formula (excluding current financial
year revenue items) was 167.3p.


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For further information, please call:

Graham Hunnisett
Investment Trust Accounting Department
BNP Paribas Fund Services UK Limited
Tel: [phone]



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