Net Asset Value(s)

Henderson High Income Trust PLC
09 April 2008

HENDERSON GLOBAL INVESTORS

9 April 2008

HENDERSON HIGH INCOME TRUST PLC

As at close of business on 8 April 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 143.7p.




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For further information, please call:

Mark Pantlin

Investment Trust Accounting Department

BNP Paribas Fund Services UK Limited

Tel: [phone]




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