Issue of Equity

The Throgmorton Trust PLC

Exercise of Subscription Share Rights held in Certificated form

Shareholders who hold their shares in Certificated form wishing to exercise
their The Throgmorton Trust PLC Subscription Share Rights, should refer to the
instructions on the reverse of their Subscription Share Certificate(s).
Shareholders must lodge the relevant Subscription Share certificate(s) at the
office of the Company's Registrar, Capita Registrars, Corporate Actions, The
Registry, 34 Beckenham Road, Beckenham, Kent BR3 4TU during the period of 30
days ending on the Business Day prior to the relevant Subscription Date,
(Friday, 29 October 2010), having completed the notice of exercise, and a
remittance for the aggregate Subscription Price for the Ordinary Shares in
respect of which the Subscription Rights are being exercised.

Ordinary Shares issued pursuant to the exercise of Subscription Share rights
which are conferred by any Certificated Subscription Shares will be allotted
within ten Business Days of the first Business Day of the calendar month
following the month in which the relevant notice of exercise of Subscription
Share Rights is given.

Exercise of Subscription Share Rights held through CREST

Shareholders who hold their The Throgmorton Trust PLC Subscription Shares in
Uncertificated form, through CREST, wishing to exercise their Subscription
Share Rights, should use the following participation and member account IDs
when processing their Uncertificated Subscription Notice:

CREST Participant ID = RA06
CREST Member Account ID = THROSUB

The form of Uncertificated Subscription Notice is an Unmatched Stock Event
("USE") instruction which should be input to settle by 3pm on the Business Day
prior to the relevant Subscription Date, along with a remittance for the
aggregate Subscription Price for the Ordinary Shares in respect of which the
Subscription Share Rights are being exercised.

Ordinary Shares issued pursuant to the exercise of Subscription Share rights
which are conferred by any Uncertificated Subscription Shares will be allotted
within ten Business Days of the first Business Day of the calendar month
following the month in which the relevant notice of exercise of Subscription
Share Rights is given.

Exercise of Subscription Share Rights held through the BlackRock Stocks & 
Shares ISA or Share Plan 

Investors holding shares through the BlackRock Stocks and Shares ISA or Share 
Plan wishing to exercise their Subscription Share Rights in The Throgmorton 
Trust PLC should download the Savings Plan Subscription Shares Conversion Form 
or Stocks & Shares ISA Notice of Exercise of Subscription Share Rights Form 
which is available from www.blackrock.co.uk/its, complete and return it to the 
address given at the top of the form. Forms must be received at least seven 
Business Days before the relevant Subscription Date on which conversions are
applicable.

Market Values

The middle market quotation of the Ordinary Shares and of the subscription
shares in The Throgmorton Trust PLC, as derived from the Stock Exchange Daily
Official List, on the first dealing day in each of the six months before the
date of this announcement and 27 September 2010, the latest practicable date
before the date of this announcement, were:


                     Ordinary Shares     Subscription Shares 
                                                             
1 March 2010                     121.25p                6.10p
1 April 2010                     137.50p               10.50p
4 May 2010                       137.25p               11.00p
1 June 2010                      135.50p                8.05p
1 July 2010                      131.00p                7.25p
2 August 2010                    139.75p                7.75p
1 September 2010                 143.25p                8.25p
27 September 2010                151.75p               13.00p

Exercise dates and price

The subscription share rights conferred by the Subscription Shares will be
exercisable on each of 31 January, 30 April, 31 July and 31 October between 31
January 2010 and 31 October 2011 (both dates inclusive) at a price of 146.00
pence per Subscription Share.

Terms used in this announcement have the same meaning as set out in the
Prospectus dated 3 September 2009.

Contact:
Mrs K V Higgins
Company Secretary
BlackRock Investment Management (UK) Limited

Date: 28 September 2010