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 10 May 2019 were: 172.50p Capital only174.50p 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 250,000 ordinary shares on 08 May2019, the Company has 72,299,044 ordinary shares in issue, excluding 28,062,261which are held in treasury.