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 12 May 2010 was:

165.08p Capital only
166.39p Including current Year Revenue
165.08p Capital only (adjusted for treasury shares)
166.39p Including current year income (adjusted for treasury shares)
161.91p Capital only (diluted for subscription shares)
163.00p Including current year income (diluted for subscription shares)

Notes:

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

2. Following the recent Tender Offer and Bonus Issue of Subscription Shares and
conversion of 12,426 subscription shares with effect
from 8 February 2010, the Company's issued share capital now consists of
74,128,534 Ordinary Shares (excluding treasury shares), 7,400,000 shares held
in treasury and 14,810,475 Subscription Shares.

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