Submission of Document

SUBMISSION OF DOCUMENT

Document on BlackRock Commodities Income Investment Trust plc:

- Half Yearly Financial Report for the six months ended 31 May 2010

A copy of the above mentioned document has been submitted to 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

23 July 2010