Net Asset Value(s)

Henderson High Income Trust PLC
13 February 2006



HENDERSON GLOBAL INVESTORS


13 FEBRUARY 2006


HENDERSON HIGH INCOME TRUST PLC

As at close of business on 10 February 2006, the unaudited net asset value
calculated in accordance with the AITC formula (excluding current financial year
revenue items) was 158.3p per ordinary share.


                                    - ENDS -


For further information, please call:

John Hilton, Investment Trust Accounting Department

BNP Paribas Fund Services UK Limited

Tel: [phone]



                      This information is provided by RNS
            The company news service from the London Stock Exchange