Annual Information Update

BLACKROCK SMALLER COMPANIES TRUST PLC

ANNUAL INFORMATION UPDATE

Annual Information Update for the period 13 May 2011 up to and including 22 May
2012.

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 Please note that some of this information may be out of date.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

1.2.1 - Total Voting Rights

1 June 2011
10 June 2011
1 July 2011
1 August 2011
1 September 2011
3 October 2011
1 November 2011
1 December 2011
3 January 2012
1 February 2012
1 March 2012
2 April 2012
1 May 2012

1.2.2 - Holdings in Company

1 June 2011
4 July 2011
1 August 2011
26 August 2011
1 September 2011
3 October 2011
1 November 2011
1 December 2011
3 January 2012
1 February 2012
17 February 2012
23 February 2012
1 March 2012
2 April 2012
1 May 2012

1.2.3 - Portfolio Update

17 May 2011
16 June 2011
20 July 2011
15 August 2011
16 September 2011
19 October 2011
14 November 2011
14 December 2011
18 January 2012
16 February 2012
14 March 2012
19 April 2012
17 May 2012

1.2.4 - Other announcements

14 June 2011 - Result of AGM
23 June 2011 - Director PDMR
23 June 2011 - Interim Management Statement
7 July 2011- Directorate Change
1 September 2011 - Compliance with Model Code
13 September 2011 - Director PDMR
16 September 2011 - Director PDMR
20 October 2011 - Half Yearly Report
28 October 2011 - Doc Re: Submission of Documents
18 November 2011 - Director Declaration
5 December 2011 - Director PDMR
1 March 2012 - Compliance with Model Code
16 March 2012 - Director PDMR
20 March 2012 - Directorate Change
26 April 2012 - Final Results
9 May 2012 - Doc Re: Submission of Documents

2. Documents Filed with the Registrar of Companies:

Date                 Form                                
                                                         
19 August 2011       AA                                  
17 August 2011       AR01                               
10 August 2011       AP01                                
10 August 2011       TM01                                
22 June 2011         Resolutions x 4                     

3. Printed Publications:

The Annual Report and Accounts for the year ended 29 February 2012 and the
Half Yearly Report for the six months ended 31 August 2011 are available from
the Company's registered office and via 12 Throgmorton Avenue, London EC2N 2DL
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
23 May 2012