Net Asset Value(s)

NET ASSET VALUE

BLACKROCK THROGMORTON TRUST PLC
5493003B7ETS1JEDPF59

The unaudited net asset values for BlackRock Throgmorton Trust plc at close of
business on 3 October 2017 were:

528.41p  Capital only
535.10p  Including current year income
528.41p  Capital only (adjusted for treasury shares)
535.10p  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.