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 20 May 2019 were: 174.76p Capital only176.95p 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 14 May2019, the Company has 72,549,044 ordinary shares in issue, excluding 27,812,261which are held in treasury.