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 4 June 2015 were:

379.21p   Capital only
384.24p   Including current year income
379.21p   Capital only (adjusted for treasury shares)
384.24p   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.