Net Asset Value(s)

Henderson High Income Trust PLC
09 March 2007


HENDERSON GLOBAL INVESTORS

9 March 2007


HENDERSON HIGH INCOME TRUST PLC

As at close of business on 8 March 2007, the unaudited net asset value per share
calculated in accordance with the AIC formula (excluding current financial year
revenue items) was 175.9p.


                                    - ENDS -


For further information, please call:

Graham Hunnisett
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