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 21 February 2014 were:

354.79p Capital only XD
355.43p including current year revenue XD
354.79p Capital only (adjusted for treasury shares) XD
355.43p including current year income (adjusted for treasury shares) XD

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.