Director Declaration

BLACKROCK COMMODITIES INCOME INVESTMENT TRUST PLC

Director Declaration

BlackRock Commodities Income Investment Trust plc (the "Company") hereby gives
notification in accordance with Listing Rule 9.6.14 that Mr Alan Hodson,
a non-executive director of the Company, has been appointed as a non-executive
director of HarbourVest Global Private Equity Limited with effect from
30 April 2013.

Enquiries:

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

Date: 1 May 2013