Annual Information Update

BLACKROCK SMALLER COMPANIES TRUST PLC

ANNUAL INFORMATION UPDATE

Annual Information Update for the period 1 March 2007 up to and including 28
May 2008.

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 Please note that some of this information may be out of date.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 MBS.)                 

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 Top 10 Holdings and 15.6.8 Announcements:

    2 March 2007                                                      
    4 June 2007                                                       
    4 September 2007                                                  
    4 December 2007                                                   

1.4 Performance at month end:

    13 March 2007                                                     
    18 April 2007                                                     
    15 May 2007                                                       
    14 June 2007                                                      
    12 July 2007                                                      
    15 August 2007                                                    
    17 September 2007                                                 
    23 October 2007                                                   
    20 November 2007                                                  
    18 December 2007                                                  
    10 January 2008                                                   
    25 February 2008                                                  
    31 March 2008                                                     
    25 April 2008                                                     
    23 May 2008                                                       

 5. Holdings in Company
   
    14 March 2007                                                     
    23 March 2007                                                     
    25 April 2007                                                     
    15 June 2007                                                      
    5 July 2007                                                       
    13 July 2007                                                      
    16 July 2007                                                      
    18 July 2007                                                      
    15 August 2007                                                    
    12 September 2007                                                 
    22 October 2007      x2                                           
    23 November 2007     x2                                           
    27 November 2007     x2                                           
    29 January 2008                                                   

1.6 Portfolio Updates/15.6.8 Announcements:

    3 April 2007                                                      
    2 May 2007                                                        
    3 July 2007                                                       
    2 August 2007                                                     
    2 October 2007                                                    
    2 November 2007                                                   
    3 January 2008                                                    
    4 February 2008                                                   
    3 March 2008                                                      
    2 April 2008                                                      
    2 May 2008                                                        

1.7 Monthly Voting Rights

    3 April 2007                                                      
    2 May 2007                                                        
    4 June 2007                                                       
    3 July 2007                                                       
    2 August 2007                                                     
    4 September 2007                                                  
    2 October 2007                                                    
    2 November 2007                                                   
    4 December 2007                                                   
    3 January 2008                                                    
    4 February 2008                                                   
    3 March 2008                                                      
    1 April 2008                                                      
    1 May 2008                                                        

1.8 Other Announcements:

    25 April 2007        Final Results                                    
    4 May 2007           Submission of Documents - Annual Report          
    31 May 2007          Annual Information Update                        
    8 June 2007          Directorate Change                               
    8 June 2007          Result of AGM                                    
    12 July 2007         Transaction in Own Shares                        
    16 July 2007         Total Voting Rights                              
    18 July 2007         Interim Management Statement                     
    7 August 2007        Submission of Documents - Circular               
    31 August 2007       Result of EGM                                    
    11 October 2007      Half Yearly Report                               
    22 October 2007      Submission of Documents - Half Yearly Report     
    22 November 2007     Transaction in Own Shares                        
    23 November 2007     Total Voting Rights                              
    23 November 2007     Correction: Total Voting Rights                  
    30 November 2007     Director/PDMR Shareholding                       
    30 November 2007     Transaction in Own Shares                        
    3 December 2007      Total Voting Rights                              
    18 December 2007     Director/PDMR Shareholding                       
    18 December 2007     Transaction in Own Shares                        
    19 December 2007     Total Voting Rights                              
    7 January 2008       Transaction in Own Shares                        
    8 January 2008       Total Voting Rights                              
    15 January 2008      Transaction in Own Shares                        
    16 January 2008      Total Voting Rights                              
    16 January 2008      Interim Management Statement                     
    24 January 2008      Director/PDMR Shareholding                       
    25 January 2008      Director/PDMR Shareholding                       
    25 January 2008      Correction: Director/PDMR Shareholding           
    3 March 2008         Listing Rule 15.5.1(4)                           
    27 March 2008        Submission of Documents - Circular               
    31 March 2008        Director/PDMR Shareholding                       
    23 April 2008        Results of General Meeting                       
    23 April 2008        Directorate Change                               
    28 April 2008        Final Results                                    
    28 April 2008        Change of Name                                   
    2 May 2008           Director/PDMR Shareholding                       
    6 May 2008           Submission of Documents - Annual Report          

2. Documents Filed with the Registrar of Companies:

    Date              Form          Description                             
                                                                            
    29 May 2007       AA            Full accounts made up to 28 February 2007                                    
    13 June 2007      RES01         Filing of AGM special resolutions       
    18 June 2007      288b          Director resigned                       
    6 August 2007     363A          Annual return to 8 July 2007            
    6 August 2007     169 1b        Purchase of shares by Company to be held in treasury                             
    6 August 2007     RES13         Filing of special resolution            
    11 September 2007 353a          Location of register of members         
    25 January 2008   169 1b        Purchase of shares by Company to be held in treasury                             
    29 January 2008   169 1b        Purchase of shares by Company to be held in treasury                             
    29 January 2008   169 1b        Purchase of shares by Company to be held in treasury                             
    7 February 2008   169 1b        Purchase of shares by Company to be held in treasury                             
    7 February 2008   169 1b        Purchase of shares by Company to be held in treasury                             
    25 April 2008     CERTCN        Change of Company Name                  
    29 April 2008     MEM           Memorandum and Articles                 
    29 April 2008     287           Change of Registered Office             
    2 May 2008        288a          Director Appointed                      

3. Printed Publications:

    The Annual Report and Accounts for the year ended 29 February 2008 and the 
    Half Yearly Report for the six months ended 31 August 2007 are available   
    from the Company's registered office, c/o of The Company Secretary, BlackRock
    Smaller Companies 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

29 May 2008