Total Voting Rights

1 October 2010

               BLACKROCK COMMODITIES INCOME INVESTMENT TRUST PLC               

                                (the "Company")                                

TOTAL VOTING RIGHTS

In conformity with the FSA's Disclosure and Transparency Rules ("the Rules"),
the Company would like to notify the market that following admission of the 
C Shares to the Official List and to trading on the London Stock Exchange's on 
30 September 2010 the Company's issued capital comprises 75,600,000 Ordinary
Shares of £0.01 each carrying one vote each and 20,000,000 C Shares of £0.10
each also carrying one vote each.

Therefore, holders of Ordinary Shares and/or C Shares should use 95,600,000 as
the denominator for the calculations by which they will determine if they are
required to notify their interest in, or a change to their interest in the
Company under the Rules.

All enquiries:

Kerry Higgins
BlackRock Investment Management (UK) Limited
Tel: [phone]