Net Asset Value(s)

NET ASSET VALUE

THE THROGMORTON TRUST PLC

The unaudited net asset value for The Throgmorton Trust PLC at close of
business on 8 June 2010 was:

153.35p Capital only
154.94p Including current Year Revenue
153.35p Capital only (adjusted for treasury shares)
154.94p Including current year income (adjusted for treasury shares)
152.13p Capital only (diluted for subscription shares)
153.45p Including current year income (diluted for subscription shares)

Notes:

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

2. Following the conversion of 35,941 subscription shares into ordinary shares
on 7 May 2010, the Company's issued share capital consists of 74,164,475
Ordinary Shares (excluding treasury shares), 7,400,000 shares held in treasury
and 14,774,534 Subscription Shares.

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