Net Asset Value(s)

NET ASSET VALUE BLACKROCK NORTH AMERICAN INCOME TRUST PLC The unaudited net asset values for BlackRock North American Income Trust plc atclose of business on 25 February 2014 were: 109.25p Capital only XD109.63p 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 payable deductedon the ex-dividend date. 3. Following the issue of 350,000 new Ordinary Shares on 30 January 2014, theunaudited NAV has been calculated on the basis of 100,361,305 Ordinary Sharesin issue.