Net Asset Value(s)

Henderson High Income Trust PLC
21 September 2007


HENDERSON GLOBAL INVESTORS


21 September 2007



HENDERSON HIGH INCOME TRUST PLC

As at close of business on 20 September 2007, the unaudited net asset value per
share calculated in accordance with the AIC formula (excluding current financial
year revenue items) was 167.3p.





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