Doc re Submission of Documents

SUBMISSION OF DOCUMENT                             

                                                                               

Document - BlackRock Smaller Companies Investment Trust plc - Half Yearly
Financial Report for the six months ended 31 August 2010

A copy of the above document has been submitted to the UK Listing Authority,
and will shortly be available for inspection at the UK Listing Authority's
Document Viewing Facility, which is situated at:

Financial Services Authority
25 The North Colonnade
Canary Wharf
London
E14 5HS

Tel. No. (0)20 7066 1000

22 October 2010