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 23 June 2010 was:

158.83p Capital only
160.63p Including current Year Revenue
158.83p Capital only (adjusted for treasury shares)
160.63p Including current year income (adjusted for treasury shares)
156.70p Capital only (diluted for subscription shares)
158.20p 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.