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 atclose of business on 24 September 2014 were: 116.61p Capital only117.49p 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 deductedon the ex-dividend date. 3.The unaudited NAV has been calculated on the basis of 100,361,305 OrdinaryShares in issue.