Annual Information Update

THE THROGMORTON TRUST PLC

ANNUAL INFORMATION UPDATE

Annual Information Update for the period 26 February 2010 up to and including 4
March 2011.

Pursuant to the requirements of Prospectus Rule 5.2 the following summarises
the information that has been published or made available to the public by the
Company. Please note that some of this information may be out of date.

1. Announcements via a Regulatory Information Service (RIS):

(RIS Announcements can be viewed at or downloaded via the internet
from http://dev.investegate.co.uk using EPIC code THRG for        
ordinary shares and THRS for subscription shares.)                

1.1 Net Asset Values:

As far as possible the Company has announced daily the net asset  
value per share as at the close of the previous business day.     
 
1.2 Holdings in Company:

1 March 2010
1 April 2010 x 2
12 April 2010
21 April 2010
30 April 2010
4 May 2010
6 May 2010 x 2
12 May 2010
1 June 2010
22 June 2010
28 June 2010 (correction)
1 July 2010
23 July 2010
2 August 2010 x 3
4 August 2010 x 2
5 August 2010
6 August 2010
9 August 2010
1 September 2010
1 October 2010
1 November 2010
2 November 2010
25 November 2010
2 December 2010
3 December 2010
13 December 2010
5 January 2011
27 January 2011
31 January 2011
1 February 2011 x 2
21 February 2011
22 February 2011
1 March 2011

1.3 Director/PDMR Shareholding:

26 February 2010 x 2
26 March 2010 x 2
28 April 2010 x 2
26 May 2010 x 2
28 June 2010 x 2
28 July 2010 x 2
26 August 2010 x 2
2 September 2010 x 2
21 September 2010
28 September 2010 x 2
12 October 2010
26 October 2010 x 2
26 November 2010 x 4
30 December 2010 x 3
19 January 2011
26 January 2011 x 2
27 January 2011 (correction)
27 January 2011
28 February 2011 x 3

1.4 Portfolio Update

24 March 2010
26 April 2010
24 May 2010
1 June 2010
2 July 2010
29 July 2010
28 August 2010
1 September 2010
15 September 2010
14 October 2010
15 November 2010
7 December 2010
16 December 2010
21 January 2011
18 February 2011

1.5 Other Announcements:

12 March 2010 - Interim management statement / AGM statement
31 March 2010 - Conversion of securities
7 April 2010 - Statement: tender offer
6 May 2010 - Conversion of securities
7 May 2010 - Total voting rights
4 June 2010 - Conversion of securities / tender offer / compliance with model
code
22 June 2010 - Conversion of securities
29 June 2010 - Result of tender offer
1 July 2010 - Result of EGM
20 July 2010 - Half yearly financial report
21 July 2010 - Tender offer
26 July 2010 - Statement: distribution to shareholders
28 July 2010 - Submission of documents
29 July 2010 - Total voting rights
4 August 2010 - Conversion of securities
28 September 2010 - Issue of equity
1 October 2010 - Interim management statement
2 November 2010 - Conversion of securities
5 November 2010 - Total voting rights
1 December 2010 - Compliance with model code
2 December 2010 - Total voting rights
30 December 2010 Conversion of securities
4 January 2011 - Total voting rights
2 February 2011 - Conversion of securities
4 February 2011 - Final results
7 February 2011 - Total voting rights
10 February 2011 - Submission of documents
1 March 2011 - Total voting rights

2. Documents Filed with the Registrar of Companies:

Date               Form         Description                                  
                                                                             
25 March 2010      AA           Accounts                                     
26 March 2010      RES10        Resolutions                                  
26 March 2010      CC04         Statement of company's objectives            
26 March 2010      RES09/10     Resolutions                                  
4 May 2010         AR01         Annual return                                
12 May 2010        RES10        Resolutions                                  
21 May 2010        SH02         Statement of capital                         
21 May 2010        SH01         Statement of capital                         
8 July 2010        RES13        Resolutions                                  
29 July 2010       OC           Court order                                  
29 July 2010       SH19         Statement of capital                         
10 August 2010     SH05         Statement of capital                         
10 August 2010     SH07         Statement of capital                         
3 September 2010   SH02         Statement of capital                         
3 September 2010   SH01         Statement of capital                         
29 November 2010   SH02         Statement of capital                         
29 November 2010   SH01         Statement of capital                         
3 March 2011       SH02         Statement of capital                         
3 March 2011       SH01         Statement of capital                         

3. Printed Publications:

The Annual Report and Accounts for the year ended 30 November 2010 and the Half
Yearly Report for the six months ended 31 May 2010 are available from the      
Company registered office, c/o of The Company Secretary, The Throgmorton Trust 
PLC, 33 King William Street, London EC4R 9AS or can be downloaded from         
www.blackrock.co.uk/its.                                                       
 
Other sources of information:

The Company's Ordinary shares are listed on the London Stock Exchange and the
price of these shares is published in the Financial Times and the Times under
`Investment Companies' and in the Daily Telegraph under "Investment Trusts".
The share price is also available on the BlackRock Investment Management (UK)
Limited website at www.blackrock.co.uk/its.

Further information can be obtained from BlackRock Investment Management (UK)
Limited as follows:

Free investor helpline: 0800 445522                                
Email address: www.blackrock.co.uk/its.                            

In addition, regular Factsheets on the Company are produced by BlackRock
Investment Management (UK) Limited and can be downloaded from 
www.blackrock.co.uk/its.

BlackRock Investment Management (UK) Limited
Secretary
4 March 2011