NET ASSET VALUEBLACKROCK NORTH AMERICAN INCOME TRUST PLC549300WWOCXSC241W468The unaudited net asset values for BlackRock North American Income Trust plc atclose of business on 14 February 2018 were:166.50p  Capital only167.86p  Including current year incomeNotes:1.       Investments have been valued on a bid price basis.2.       Revenue items included in net asset value, with dividends payablededucted on the ex-dividend date.3.       Following the buyback of 75,000 ordinary shares on 14 June 2017, theCompany has 68,874,044 ordinary shares in issue, excluding 31,487,261 which areheld in treasury.