Net Asset Value(s)

Henderson High Income Trust PLC
02 April 2008


HENDERSON GLOBAL INVESTORS


2 April 2008



HENDERSON HIGH INCOME TRUST PLC

As at close of business on 1 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 143.8p.

                                    - ENDS -

For further information, please call:

Mark Pantlin

Investment Trust Accounting Department

BNP Paribas Fund Services UK Limited

Tel: [phone]


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