Net Asset Value(s)

NET ASSET VALUE BLACKROCK NORTH AMERICAN INCOME TRUST PLC549300WWOCXSC241W468 The unaudited net asset values for BlackRock North American Income Trust plc atclose of business on 23 March 2017 were: 169.46p Capital only170.28p 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 payablededucted on the ex-dividend date. 3. Following the buyback of 600,000 ordinary shares on 21 July 2016, theCompany has 68,949,044 ordinary shares in issue, excluding 31,412,261 which areheld in treasury.