Holding(s) in Company

TR-1(i): NOTIFICATION OF MAJOR INTERESTS IN SHARES

(1). Identity of the issuer or the underlying issuer of existing shares to
which voting rights are attached (ii):

            BlackRock North American Income Trust plc

(2). Reason for the notification (please tick the appropriate box or boxes):

An acquisition or disposal of voting rights: ()

An acquisition or disposal of financial instruments which may result in the
acquisition of shares already issued to which voting rights are attached: ( )

An event changing the breakdown of voting rights: ( )

Other (please specify) : (X) Change in Investec's Terms & Conditions
restricting the exercise of Voting Rights to Discretionary client holdings

(3). Full name of person(s) subject to the notification obligation (iii):

            Investec Wealth & Investment Limited

(4). Full name of shareholder(s) (if different from 3.) (iv):

            n/a

(5). Date of the transaction (and date on which the threshold is crossed or
reached if different) (v):

1 June 2015

(6). Date on which issuer notified:

2 June 2015

(7). Threshold(s) that is/are crossed or reached:

            15%

(8). Notified details:  

A: Voting rights attached to shares

Class/type of shares (if possible using the ISIN code):  Ord/GB00B7W0XJ61

Situation previous to the triggering transaction (vi):
     Number of Shares: 13,426,242
     Number of Voting rights (viii): 13,426,242

Resulting situation after the triggering transaction (vii):
     Number of shares:  
          DIRECT:  12,590,700
     Number of voting rights (ix):
          Direct (x): 12,590,700
          Indirect (xi):

% of voting rights:
     Direct: 
     Indirect:  15.73%
 
B. Financial Instruments

Resulting situation after the triggering transaction (xii):

Type of financial instrument:

Expiration date (xiii): 

Exercise/Conversion Period/Date (xiv): 

Number of voting rights that may be acquired if the instrument is exercised/
converted:

% of voting rights:

C.  Financial Instruments with similar economic effect to Qualifying
Instruments (xv), (xvi)

Resulting situation after the triggering transaction:

Type of financial instrument: 

Exercise Price: 

Expiration date (xvii): 

Exercise/Conversion Period/Date (xviii): 

Number of voting rights instrument refers to:

% of voting rights (xix) (xx):

Nominal: 
Delta:

Total (A + B + C):

Number of voting rights: 12,590,700

% of voting rights:  15.73%

(9). Chain of controlled undertakings through which the voting rights and/or
the financial instruments are effectively held, if applicable (xv):

Discretionary client holdings registered in the name of Nominee companies 100%
owned by Investec Wealth & Investment Limited.

Proxy Voting:

(10). Name of the proxy holder:

            N/A

(11). Number of voting rights proxy holder will cease to hold:

            N/A

(12). Date on which proxy holder will cease to hold voting rights:

            N/A

(13). Additional information:

            N/A

(14). Contact name:

           C Driscoll
            For BlackRock Investment Management (UK) Limited
            Secretary

(15). Contact telephone number:

            020 7743 2427


2 June 2015