Net Asset Value(s)

Henderson High Income Trust PLC
05 April 2006



HENDERSON GLOBAL INVESTORS


5 APRIL 2006

HENDERSON HIGH INCOME TRUST PLC

As at close of business on 4 April 2006, the unaudited net asset value per share
calculated in accordance with the AITC formula (excluding current financial year
revenue items) was 164.1p.


For further information, please call:

John Hilton, Investment Trust Accounting Department

BNP Paribas Fund Services UK Limited

Tel: [phone]

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