Net Asset Value(s)

NET ASSET VALUE

BLACKROCK COMMODITIES INCOME INVESTMENT TRUST PLC
54930040ALEAVPMMDC31

The unaudited net asset values for BlackRock Commodities Income Investment
Trust plc at close of business on 27 March 2018 were:

74.45p  Capital only
74.91p  Including current year income XD

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 share issuance of 250,000 ordinary shares on 21 March
2018, of which 52,000 were allocated from treasury, the Company now has
118,966,000 ordinary shares in issue with no remaining shares in treasury.

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).