Net Asset Value(s)

Henderson High Income Trust PLC
05 December 2007

HENDERSON GLOBAL INVESTORS


5 December 2007



HENDERSON HIGH INCOME TRUST PLC

As at close of business on 4 December 2007, the unaudited net asset value per
share calculated in accordance with the AIC formula (excluding current financial
year revenue items) was 159.4p.



                                    - ENDS -

For further information, please call:

Mark Pantlin

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