Net Asset Value(s)

Henderson High Income Trust PLC
27 July 2007


HENDERSON GLOBAL INVESTORS



27 July 2007



HENDERSON HIGH INCOME TRUST PLC

As at close of business on 26 July 2007, the unaudited net asset value per share
calculated in accordance with the AIC formula (excluding current financial year
revenue items) was 166.8p.


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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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