Interim Management Statement

BLACKROCK COMMODITIES INCOME INVESTMENT TRUST PLC

Interim Management Statement- 3 months to 31 August 2008

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 2008 to 31
August 2008, 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
is 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        One     Launch
                                 Month     Months       Year   13.12.05
                                                                       
Net Asset Value                   1.7%     -18.5%      17.6%      67.1%
Share Price                       2.0%     -22.4%      18.8%      56.5%

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


TenLargestEquity Holdings at 31August 2008(in alphabetical order)

Alcoa
BHP Billiton
British Petroleum
Chevron
Eni
Occidental Petroleum
Rio Tinto
StatoilHydro
Total
Vale


Financial position and performance as at 31 August 2008

Gross Assets (£m)*                          118.5
                                                 
Short term borrowings (£m)                   13.2           
                                                 
Net asset value-Capital Only              146.02p
                                                 
Net asset value-Including Income          148.68p
                                                 
Share Price                               141.75p
                                                 
Ordinary Shares in Issue**             70,810,662
                                                 
Actual Gearing                              11.1%
                                                 
Discount to NAV-Cum Income                   4.7%
                                                 
Discount to NAV-Capital Only**               2.9%

*includes net revenue of £1.8m

**excluding treasury shares


Material Events

There were no material events during the period.


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 2008 of 1.3125p per ordinary share has been declared by the Directors,
payable on 24 October 2008 to holders of ordinary shares on the register at the
close of business on 26 September 2008 (ex dividend date is 24 September 2008).


Material Transactions

There were no material transactions in the period.

The Board is not aware of any material events or transactions, except as
disclosed herein, occurring between 31 August 2008 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:

Barbara Powley
Secretary
Tel: [phone]