Net Asset Value(s)

Henderson High Income Trust PLC
20 March 2008


HENDERSON GLOBAL INVESTORS



20 March 2008




HENDERSON HIGH INCOME TRUST PLC

As at close of business on 19 March 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 136.3p.




For further information, please call:

Mark Pantlin

Investment Trust Accounting Department

BNP Paribas Fund Services UK Limited

Tel: [phone]




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