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: (X)

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

    An acquisition or disposal of instruments with similar economic effect to
    qualifying financial instruments: ( )

    An event changing the breakdown of voting rights: ()

    Other (please specify): ()

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

                Brewin Dolphin Limited

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

    (5). Date of the transaction (and date on which the threshold is crossed or
    reached if different) (v):
               15 July 2015

    (6). Date on which issuer notified:

                16 July 2015 after close of business

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

                16%

    (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: 12,930,763
         Number of Voting rights (viii): 12,930,763

    Resulting situation after the triggering transaction (vii): Ord/GB00B7W0XJ61
         Number of shares:
              DIRECT:  n/a
         Number of voting rights (ix):
              Direct (x):  n/a
              Indirect (xi):  12,717,332
    % of voting rights:
              Direct:  n/a
              Indirect: 15.8889%

    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:  12,717,332

     % of voting rights:  15.8889%

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

    Indirect - Brewin Nominees (Channel Islands) Limited   109,883      0.1373 %       
                                                                                       
    Indirect - Brewin Nominees Limited - Individual        20,730       0.0259 %       
    Designations                                                                       
                                                                                       
    Indirect - Brewin Nominees Limited  A/c NOM            5,833,623    7.2885 %       
                                                                                       
    Indirect - Brewin Nominees Limited A/c ISA             3,993,725    4.9897 %       
                                                                                       
    Indirect - Brewin Nominees Limited  A/c GROSS          1,802,972    2.2526 %       
                                                                                       
    Indirect - Brewin Nominees Limited A/c CHARITY         503,689      0.6293 %       
                                                                                       
    Indirect - Brewin Nominees Limited A/c OFFBOND         452,710      0.5656 %       
                                                                                       
    GRAND TOTAL                                            12,717,332   15.8889 %      

    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:

    Figures based on shares in issue of 80,039,044. The indirect voting rights
    under (9) relate to shares held in client portfolios, managed by those firms,
    under discretionary investment management agreements.

    (14). Contact name:

                A B Powley
                For BlackRock Investment Management (UK) Limited
                Secretary

    (15). Contact telephone number:

                020 7743 5610


    16 July 2015