Blocklisting - Interim Review

BLOCK LISTING SIX MONTHLY RETURN                        

Information provided on this form must be typed or printed electronically and
provided to an ris.

(Note: Italicised terms have the same meaning as given in the Listing Rules.)

Date: 2 September 2013

Name of applicant:                           BlackRock North American Income Trust   
                                             plc                                     
                                                                               
Name of scheme:                              General purpose block listing scheme    
                                                                               
Period of return:                            From: 1 March 2013    To: 31 August 2013   
                                                                               
Balance of unallotted securities under       
scheme(s) from previous return:              899,999                                  
                                                                               
Plus: The amount by which the block          16,837,500 (10,000,000 ordinary shares  
scheme(s) has been increased since the       of 1p each on 1 March 2013 and 6,837,500
date of the last return (if any              ordinary shares of 1p each on 11 June   
increase has been applied for):              2013)                                   
                                                                               
Less: Number of securities issued/           
allotted under scheme(s) during period                                         
(see LR3.5.7G):                              13,888,500                                                        
                                                                               
Equals: Balance under scheme(s) not    
yet issued/allotted at end of period:        3,848,999                               
                                       
Name of contact:                             Caroline Driscoll                      
                                                                               
Telephone number of contact:                 020 7743 2427