Net Asset Value(s)

NET ASSET VALUE

BLACKROCK NORTH AMERICAN INCOME TRUST PLC

The unaudited net asset values for BlackRock North American Income Trust plc at
close of business on 25 February 2014 were:

109.25p Capital only XD
109.63p Including current year income XD

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 issue of 350,000 new Ordinary Shares on 30 January 2014, the
unaudited NAV has been calculated on the basis of 100,361,305 Ordinary Shares
in issue.