Net Asset Value(s)

Henderson High Income Trust PLC
31 March 2006



HENDERSON GLOBAL INVESTORS


31 MARCH 2006

HENDERSON HIGH INCOME TRUST PLC

As at close of business on 30 March 2006, the unaudited net asset value per
share calculated in accordance with the AITC formula (excluding current
financial year revenue items) was 164.6p.


For further information, please call:

John Hilton, Investment Trust Accounting Department

BNP Paribas Fund Services UK Limited

Tel: [phone]

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