Dividend Declaration

BLACKROCK COMMODITIES INCOME INVESTMENT TRUST PLC

ANNOUNCEMENT OF QUARTERLY INTERIM DIVIDEND

16 June 2009

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 2009 of 1.35p per ordinary share has been declared by the
Directors, payable on 24 July 2009 to holders of ordinary shares on the
register at the close of business on 26 June 2009 (ex dividend date is 24 June
2009).

Enquiries:

Kerry V Higgins
BlackRock Investment Management (UK) Limited, Secretary

Telephone: [phone]