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 11 March 2019 were: 168.34p Capital only170.55p 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 payablededucted on the ex-dividend date. 3. Following the share issuance of 100,000 ordinary shares on 19thFebruary 2019, the Company has 70,499,044 ordinary shares in issue, excluding29,862,261 which are held in treasury.