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 8 May 2015 were: 125.23p Capital only126.94p Including current year income Notes: 1. Investments have been valued on a bid price basis. 2. Following the buyback of 250,000 ordinary shares on 8 May 2015, the Companyhas 80,039,044 ordinary shares in issue, excluding 20,322,261 which are held intreasury. 2. Revenue items included in net asset value, with dividends payable deductedon the ex-dividend date. 3. Following the implementation of the Tender Offer on 4 February 2015,20,072,261 Ordinary Shares tendered have been transferred into Treasury.Following the implementation of the Tender Offer, the Company now has100,361,305 Ordinary Shares in issue including 20,072,261 Ordinary Shares whichare held in Treasury. The number of Ordinary Shares in issue, less the numberof Ordinary Shares in Treasury, is 80,289,044.