Net Asset Value(s)

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 2 February 2018 were:

168.49p Capital only
169.72p 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.