Interim Management Statement

BLACKROCK COMMODITIES INCOME INVESTMENT TRUST PLC

Interim Management Statement - 3 months to 31 August 2009

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 2009 to 
31 August 2009, 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's investment portfolio
is managed by Richard Davis of BlackRock.

Stock Performance

Cumulative Performance (%):

                                   One      Three        One     Launch
                                 Month     Months       Year   13.12.05
                                                                       
Net Asset Value                   5.6%       6.9%     -20.8%      32.4%
Share Price                       0.0%       4.5%     -18.8%      27.1%

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

Ten Largest Equity Holdings at 31 August 2009 (in alphabetical order)

Anadarko Petroleum
BHP Billiton
BP
Exxon Mobil
Freeport McMoran
Kumba Iron Ore
Rio Tinto
StatoilHydro
Total
Vale

Financial position and performance as at 31 August 2009

Gross Assets (£m)*                          85.4
Short term borrowings (£m)                   3.7
Net asset value-Capital Only              107.81p
Net asset value-Including Income          109.30p
Share Price                               108.75p
Ordinary Shares in Issue**             74,825,662
Actual Gearing                               4.3%
Discount to NAV-Cum Income                   0.5%
Premium to NAV-Capital Only**                0.9%

*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 31 August 2009, 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.

During the period 750,000 shares were sold from treasury. This generated 
£763,500 of additional funds for the Company.

Quarterly Interim Dividend

The Board of BlackRock Commodities Income Investment Trust plc is pleased to
announce that the third quarterly interim dividend in respect of the year to 
30 November 2009 of 1.35p per ordinary share has been declared by the Directors,
payable on 23 October 2009 to holders of ordinary shares on the register at the
close of business on 25 September 2009 (ex dividend date is 23 September 2009).

Half Yearly Financial Report

The Company announced its half yearly financial results for the period ended 
31 May 2009 on 14 July 2009.

The Board is not aware of any material events or transactions, except as
disclosed herein, occurring between 1 June 2009 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]