Base Rate Change

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 7 February 2019 were: 166.95p Capital only168.67p 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 150,000 ordinary shares on 05thFebruary 2019, the Company has 70,399,044 ordinary shares in issue, excluding29,962,261 which are held in treasury.