Issue of Equity

TRANSACTION IN OWN SHARES

BlackRock Commodities Income Investment Trust plc

The Company announces that today it issued 550,000 new ordinary shares of 1p
each for cash, at a price of 130 pence per share, a premium to the Company's
net asset value, under its ordinary share blocklisting facility. The new
ordinary shares will rank pari passu with the existing ordinary shares and
dealings are expected to commence on 28 March 2012.

Following this issue of shares, the number of ordinary shares that the Company
has in issue is 92,058,000. The total number of voting rights of the Company is
92,058,000 and this figure may be used by shareholders 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
Disclosure and Transparency Rules.

Contact name for queries:
A B Powley - BlackRock Investment Management (UK) Limited
23 March 2012
Tel: [phone]