Annual Information Update

BLACKROCK SMALLER COMPANIES TRUST PLC

ANNUAL INFORMATION UPDATE

Annual Information Update for the period 1 March 2010 up to and including 
12 May 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 Please note that some of this information may be out of date.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.uk-wire.com using EPIC code BRSC.)

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 Other Announcements

11 May 2011          Holdings in Company                              
6 May 2011           Holdings in Company                              
3 May 2011           Total Voting Rights                              
3 May 2011           Holdings in Company                              
28 April 2011        Doc Re: Submission of Docs                       
18 April 2011        Portfolio Update                                 
14 April 2011        Final Results                                    
1 April 2011         Holdings in Company                              
1 April 2011         Total Voting Rights                              
25 March 2011        Director/PDMR Shareholding                       
18 March 2011        Portfolio Update                                 
9 March 2011         Holdings in Company                              
1 March 2011         Compliance with Model Code                       
1 March 2011         Total Voting Rights                              
16 February 2011     Portfolio Update                                 
1 February 2011      Total Voting Rights                              
1 February 2011      Holdings in Company                              
21 January 2011      Holdings in Company                              
18 January 2011      Portfolio Update                                 
5 January 2011       Holdings in Company                              
4 January 2011       Total Voting Rights                              
16 December 2010     Portfolio Update                                 
7 December 2010      Portfolio Update                                 
1 December 2010      Holdings in Company                              
15 November 2010     Portfolio Update                                 
1 November 2010      Holdings in Company                              
22 October 2010      Doc Re: Submission of Documents                  
15 October 2010      Portfolio Update                                 
13 October 2010      Half Yearly Report                               
1 October 2010       Holdings in Company                              
21 September 2010    Director/PDMR Shareholding                       
15 September 2010    Portfolio Update                                 
1 September 2010     Holdings in Company                              
1 September 2010     Compliance Under Model Code                      
1 September 2010     Portfolio Update                                 
20 August 2010       Holdings in Company                              
20 August 2010       Portfolio Update                                 
2 August 2010        Holdings in Company                              
26 July 2010         Holdings in Company                              
15 July 2010         Portfolio Update                                 
2 July 2010          Portfolio Update                                 
1 July 2010          Holdings in Company                              
24 June 2010         Director/PDMR Shareholding                       
15 June 2010         Interim Management Statement                     
15 June 2010         Result of AGM                                    
1 June 2010          Portfolio Update                                 
1 June 2010          Holdings in Company                              
24 May 2010          Holdings in Company                              
20 May 2010          Portfolio Update                                 
18 May 2010          Annual Information Update                        
4 May 2010           Doc Re: Submission of Documents                  
4 May 2010           Holdings in Company                              
28 April 2010        Final Results                                    
22 April 2010        Portfolio Update                                 
1 April 2010         Holdings in Company                              
29 March 2010        Holdings in Company                              
18 March 2010        Portfolio Update                                 
1 March 2010         Compliance with Model Code                       
1 March 2010         Holdings in Company                              

2. Documents Filed with the Registrar of Companies:

Date                 Form                                
                                                         
11 August 2010       AR 01                               
23 June 2010         AA                                  
16 June 2010         Resolutions x 5                     
16 June 2010         CC04                                

3. Printed Publications:

The Annual Report and Accounts for the year ended 28 February 2011 and the
Half Yearly Report for the six months ended 31 August 2010 are available from
the Company's registered office and via 33 King William Street, London EC4R 9AS
or can be downloaded from www.blackrock.co.uk/brsc.

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/brsc.

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

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

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

BlackRock Investment Management (UK) Limited
Secretary
12 May 2011