Blocklisting - Interim Review

BLOCK LISTING SIX MONTHLY RETURN                        

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

To: The FSA

Date: 21 May 2012

Name of applicant:                     BlackRock Frontiers Investment Trust plc
                                                                               
Name of scheme:                        General purpose block listing scheme    
                                                                               
Period of return:                      From: 21 November 2011    To: 20 May 2012      
                            
                                                                               
Balance under scheme from previous     9,400,000 ordinary shares of 1 cent 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/   9,400,000 ordinary shares of 1 cent each
allotted at end of period                                                      
                                                                               
Number and class of securities         9,400,000 ordinary shares of 1 cent each
originally listed and the date of                                              
admission                                                                      
                                                                               
Total number of securities in issue at 94,776,267                              
the end of the period                                                          

Name of contact:                        Mrs S Beynsberger                      
                                                                               
Address of contact:                     12 Throgmorton Avenue, London EC2N 2DL 
                                                                               
Telephone number of contact:            0207 743 2639                          

SIGNED BY ____Mrs S Beynsberger__________________________________________

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

____Mrs S Beynsberger___________________________________________

Name of applicant

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