Net Asset Value(s)

NET ASSET VALUE

BLACKROCK COMMODITIES INCOME INVESTMENT TRUST PLC

The unaudited net asset values for BlackRock Commodities Income Investment
Trust plc at close of business on 10 August 2015 were:

67.32p  Capital only
68.24p  Including current year income

Notes:

1.   Investments have been valued on a bid price basis.

2.   Revenue items included in net asset value, with dividends payable
deducted on the ex-dividend date.

3.   Following the issue of a further 1,200,000 shares on 23 July 2015,
the Company now has 113,068,000 ordinary shares in issue, and the unaudited NAV
above has been calculated on this basis

4.   For the latest daily net asset value, previous month end performance
statistics, asset allocation and ten largest holdings of the BlackRock managed
Investment Trusts; see BLRKINDEX on Reuters or page 8800 on ICB (Topic 3).