Net Asset Value(s)

Henderson High Income Trust PLC
17 February 2006

HENDERSON GLOBAL INVESTORS

17 FEBRUARY 2006


HENDERSON HIGH INCOME TRUST PLC

As at close of business on 16 February 2006, the unaudited net asset value
calculated in accordance with the AITC formula (excluding current financial year
revenue items) was 159.7p per ordinary share.


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For further information, please call:

John Hilton, Investment Trust Accounting Department

BNP Paribas Fund Services UK Limited

Tel: [phone]


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