Net Asset Value(s)

NET ASSET VALUE

BLACKROCK THROGMORTON TRUST PLC

The unaudited net asset values for BlackRock Throgmorton Trust plc at close of
business on 19 June 2015 were:

374.37p   Capital only
379.76p   Including current year income
374.37p   Capital only (adjusted for treasury shares)
379.76p   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.