NET ASSET VALUE

BLACKROCK THROGMORTON TRUST PLC
5493003B7ETS1JEDPF59

The unaudited net asset values for BlackRock Throgmorton Trust plc at close of
business on 26 April 2017 were:

496.04p  Capital only
499.26p  Including current year income
496.04p  Capital only (adjusted for treasury shares)
499.26p  Including current year income (adjusted for treasury shares)

Notes:

1.        Investments have been valued on a bid price basis.

2.        The Company's issued share capital comprises 73,130,326 Ordinary
Shares and 7,400,000 Treasury Shares.

3.        Revenue items included in net asset value, with dividends payable
deducted on the ex-dividend date.