Net Asset Value(s)

Henderson High Income Trust PLC
25 October 2006


HENDERSON GLOBAL INVESTORS


25 October 2006


HENDERSON HIGH INCOME TRUST PLC

As at close of business on 24 October 2006, the unaudited net asset value per
share calculated in accordance with the AITC formula (excluding current
financial year revenue items) was 167.1p.

For further information, please call:

John Hilton, Investment Trust Accounting Department

BNP Paribas Fund Services UK Limited

Tel: [phone]


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