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 6 May 2010 was:

161.61p Capital only
162.94p Including current Year Revenue
161.61p Capital only (adjusted for treasury shares)
162.94p Including current year income (adjusted for treasury shares)
159.01p Capital only (diluted for subscription shares)
160.12p 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 t