Dividend Declaration

BLACKROCK NORTH AMERICAN INCOME TRUST PLC

ANNOUNCEMENT OF QUARTERLY INTERIM DIVIDEND

14 May 2013

The Board of BlackRock North American Income Trust plc is pleased to announce
that the second quarterly interim dividend in respect of the year to 31 October
2013 of 1.0p per ordinary share has been declared by the Directors, payable on
2 July 2013 to holders of ordinary shares on the register at the close of
business on 24 May 2013 (ex dividend date is 22 May 2013).

Enquiries:

Caroline Driscoll
BlackRock Investment Management (UK) Limited, Secretary
Telephone: [phone]