Dividend Declaration

BLACKROCK COMMODITIES INCOME INVESTMENT TRUST PLC               

                  ANNOUNCEMENT OF QUARTERLY INTERIM DIVIDEND                   

18 June 2008

The Board of BlackRock Commodities Income Investment Trust plc is pleased to
announce that the second 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 25 July 2008 to holders of ordinary shares on the
register at the close of business on 27 June 2008 (ex dividend date is 25 June
2008).

Enquiries:

Kerry V Higgins

BlackRock Investment Management (UK) Limited, Secretary

Telephone: [phone]