Net Asset Value(s)

Henderson High Income Trust PLC
22 February 2008

HENDERSON GLOBAL INVESTORS



22 February 2008



HENDERSON HIGH INCOME TRUST PLC

As at close of business on 21 February 2008, the unaudited net asset value per
share calculated in accordance with the AIC formula (excluding current financial
year revenue items and shares held in treasury) was 146.1p.





For further information, please call:

Mark Pantlin

Investment Trust Accounting Department

BNP Paribas Fund Services UK Limited

Tel: [phone]

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