Interim Management Statement

BLACKROCK COMMODITIES INCOME INVESTMENT TRUST PLC

Interim Management Statement - 3 months to 28 February 2010

To the members of BlackRock Commodities Income Investment Trust plc

This interim management statement has been produced solely to provide
additional information to shareholders as a body to meet the relevant
requirements of the UK Listing Authority's Disclosure & Transparency Rules. It
should not be relied on by any other party for any other reason.

This interim management statement relates to the period from 1 December 2009 to
28 February 2010, and contains information that covers this period, and up to
the date of publication of this interim management statement. Please note more
detailed performance information, including the latest month end announcements
are available on the Manager's website-www.blackrock.co.uk/its.

The Company's objectives are to achieve an annual dividend target and, over the
long term, capital growth by investing primarily in securities of companies
operating in the mining and energy sector. The Company is managed by Richard
Davis of BlackRock.

Stock Performance

Cumulative Performance (%):

                         One      Three        Six        One      Launch
                       Month     Months     Months       Year    13.12.05
                                                                               
Net Asset Value         7.5%       7.8%      18.3%      66.9%       56.7%
Share Price             1.0%       4.3%      16.2%      56.4%       47.7%

All performance figures are in £ on a total return basis.

Ten Largest Equity Holdings at 28 February 2010 (in alphabetical order)

Anadarko Petroleum
BHP Billiton
BP
Freeport McMoRan
Kumba Iron Ore
Niko Reources
Occidental Petroleum
Rio Tinto
Statoil
Vale

Financial position and performance as at 28 February 2010

Gross Assets (£m)*                           96.9
Short term borrowings (£m)                    Nil            
Net asset value-Capital Only              127.10p
Net asset value-Including Income          128.64p
Share Price                               123.50p
Ordinary Shares in Issue**             75,325,662
Actual Gearing                                Nil
Premium to NAV-Cum Income                    4.0%
Premium to NAV-Capital Only**                2.8%

*includes net revenue of £1.2m
**excluding treasury shares

Material Events & Transactions

There were no material events or transactions, except as disclosed, during the
three months to 28 February 2010, nor was the Company involved in any other
material transactions during the period except the purchase and sale of
securities undertaken in the normal course of its business.

Issue of Shares

During the period 500,000 shares were sold from treasury. This generated £
672,500 of additional funds for the Company.

Interim Dividends

The fourth interim dividend in respect of the year ended 30 November 2009 of 
1.45 pence per share was declared on 18 December 2009, and paid on 29 January 2010 
to shareholders on the register at the close of business on 4 January 2010.

The first interim dividend in respect of the year ended 30 November 2010 of 
1.375 pence per share was declared on 16 March 2010 to be paid on 23 April 2010 
to shareholders on the register at the close of business on 26 March 2010.

Tender

On 22 December 2009 the Board announced that it had decided not to proceed with
the semi-annual tender offer in February 2010.

Financial Report

The Company announced its financial results for the year ended 30 November 2009
on 19 January 2010.

The Board is not aware of any material events or transactions, except as
disclosed herein, occurring between 1 March 2010 and the date of publication of
this interim management statement which would have a material impact on the
financial position of the Company.

Latest information is available by typing, www.blackrock.co.uk/its on the
internet, "BLRKINDEX" on Reuters, "BLRK" on Bloomberg or "8800" on Topic 3 (ICV
terminal).

Contact details:

Kerry Higgins
Secretary

Tel: [phone]