Interim Management Statement

BLACKROCK COMMODITIES INCOME INVESTMENT TRUST PLC

Interim Management Statement - 3 months to 31 August 2011

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 June 2011 to 
31 August 2011, 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/brci.

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      Five
                               Month     Months     Months       Year     Years
                                                                               
Net Asset Value                -7.3%      -9.2%     -10.8%      18.7%     67.9%
Share Price                   -10.1%      -9.8%     -13.6%      16.3%     61.2%

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

Ten Largest Equity Holdings at 31 August 2011 (in alphabetical order)

Anadarko Petroleum
BHP Billiton
Chevron
Coal & Allied Industries
ExxonMobil
Freeport McMoRan
Kumba Iron Ore
Peyto Exploration & Development
Rio Tinto
Total

Financial position and performance as at 31 August 2011

Gross Assets (£m)*                          125.1
Short term borrowings (£m)                    1.6
Net asset value-Capital Only              134.56p
Net asset value-Including Income          136.41p
Share Price                               134.50p
Ordinary Shares in Issue               90,508,000
Actual Gearing                               1.3%
Discount to NAV-Cum Income                   1.4%
Discount to NAV-Capital Only**              0.04%

*includes net revenue of £1.7m

Material Events & Transactions

Material events or transactions, during the three months to 31 August 2011, and
from 1 September 2011 to the date of publication of this report are set out
below. The Company was not involved in any other material transactions during
the period except for the purchase and sale of securities undertaken in the
normal course of its business.

Interim Dividends

The second interim dividend in respect of the year ending 30 November 2011 of
1.40 pence per share was declared on 21 June 2011, and paid on 22 July 2011 to
shareholders on the register at the close of business on 1 July 2011.

The third interim dividend in respect of the year ending 30 November 2011 of
1.40 pence per share was declared on 13 September 2011 to be paid on 21 October
2011 to shareholders on the register at the close of business on 23 September
2011.

Tender

On 21 June 2011 the Board announced that it had decided not to proceed with the
semi-annual tender offer in August 2011.

Financial Report

The Company announced its half yearly financial results for the period ended 
31 May 2011 on 21 July 2011.

The Board is not aware of any material events or transactions, except as
disclosed herein, occurring between 1 September 2011 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/brci on the
internet, "BLRKINDEX" on Reuters, "BLRK" on Bloomberg or "8800" on Topic 3 (ICV
terminal).

Contact details:

Kerry Higgins
Secretary

Tel: [phone]
Date: 13 September 2011