Blocklisting - Interim Review

BLOCK LISTING SIX MONTHLY RETURN                        

Information provided on this form must be typed or printed electronically.

To: The FCA

Date: 2 February 2015

Name of applicant:                     BlackRock Commodities Income Investment 
                                       Trust plc                               
                                                                               
Name of scheme:                        General purpose block listing scheme    
                                                                               
Period of return:            From:     31 July 2014    To:    30 January 2015  
                                                                               
Balance under scheme from previous     2,225,800 ordinary shares of 1p each    
return:                                                                        
                                                                               
The amount by which the block scheme   3,089,999 ordinary shares of 1p each    
has been increased, if the scheme has                                          
been increased since the date of the                                           
last return:                                                                   
                                                                               
Number of securities issued/allotted   4,400,000 ordinary shares of 1p each    
under scheme during period:                                                    
                                                                               
Balance under scheme not yet issued/   915,799                                 
allotted at end of period                                                      
                                                                               
Number and class of securities         7,450,000 ordinary shares of 1p each on 
originally listed and the date of      2 May 2006                              
admission                                                                      
                                       6,325,800 ordinary shares of 1p each on 
                                       30 January 2014                         
                                                                               
                                       1,805,799 ordinary shares of 1p each on 
                                       2 October 2014                          
                                                                               
                                       1,284,200 ordinary shares of 1p each on 
                                       4 December 2014                         
                                                                               
                                       It is expected that a further block     
                                       admission, in respect of 2,420,000      
                                       ordinary shares of 1p each, will become
                                       effective on 3 February 2015            
                                                                               
Total number of securities in issue at 105,858,000                             
the end of the period                                                          

Name of contact:                        Mrs K V Higgins                        
                                                                               
Address of contact:                     12 Throgmorton Avenue, London EC2N 2DL 
                                                                               
Telephone number of contact:            0207 743 1089                          

SIGNED BY Signed by BlackRock Investment Management (UK) Limited,

Company Secretary, BlackRock Commodities Income Investment Trust plc

If you knowingly or recklessly give false or misleading information you may be
liable to prosecution.