Source - PRN
  
NET ASSET VALUE

BLACKROCK NORTH AMERICAN INCOME TRUST PLC
549300WWOCXSC241W468

The unaudited net asset values for BlackRock North American Income Trust plc at
close of business on 9 August 2018 were:

182.72p  Capital only
184.28p  Including current year income

Notes:

1.       Investments have been valued on a bid price basis.

2.       Revenue items included in net asset value, with dividends payable
deducted on the ex-dividend date.

3.       Following the buyback of 75,000 ordinary shares on 14 June 2017, the
Company has 68,874,044 ordinary shares in issue, excluding 31,487,261 which are
held in treasury.