Total Voting Rights

BLACKROCK COMMODITIES INCOME INVESTMENT TRUST PLC (the “Company”)
LEI - 54930040ALEAVPMMDC31

Voting Rights and Capital (Article 15 Transparency Directive, DTR 5.6)

In conformity with the FCA's Disclosure and Transparency Rules ("the Rules"), provision 5.6.1, the Company would like to notify the market that as at 20 July 2018 its issued capital comprised 118,966,000 ordinary shares of £0.01 each, including 2,648,000 shares held in treasury.

Shareholders should therefore use 116,318,000 (being the Companies issued share capital excluding shares held in treasury) 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 Rules.

All enquiries:

Sarah Beynsberger
Company Secretary
BlackRock Investment Management (UK) Limited
Tel: [phone]

20 July 2018