Blocklisting - Interim Review

BLOCK LISTING SIX MONTHLY RETURN                        

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

To: The FSA

Date: 2 November 2009

Name of applicant:                     BlackRock Commodities Income Investment 
                                       Trust plc                               
                                                                               
Name of scheme:                        General purpose block listing scheme    
                                                                               
Period of return:            From:     2 November 2009 To:    1 May 2010       
                                                                               
Balance under scheme from previous     6,850,000 ordinary shares of 1p each    
return:                                                                        
                                                                               
The amount by which the block scheme   n/a                                     
has been increased, if the scheme has                                          
been increased since the date of the                                           
last return:                                                                   
                                                                               
Number of securities issued/allotted   n/a                                     
under scheme during period:                                                    
                                                                               
Balance under scheme not yet issued/   6,850,000 ordinary shares of 1p each    
allotted at end of period                                                      
                                                                               
Number and class of securities         7,450,000 ordinary shares of 1p each    
originally listed and the date of                                              
admission                                                                      
                                                                               
Total number of securities in issue at 75,600,000 (including 774,338 ordinary  
the end of the period                  shares held in treasury)                

Name of contact:                       Mrs K V Higgins                        
                                                                               
Address of contact:                    33 King William Street, London EC4R 9AS
                                                                               
Telephone number of contact:           0207 743 1089                          

SIGNED BY ____Mrs K V Higgins__________________________________________

Company Secretary,
for and on behalf of BlackRock Commodities Income Investment Trust plc

____Mrs K V Higgins___________________________________________

Name of applicant

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