Net Asset Value(s)

NET ASSET VALUE BLACKROCK THROGMORTON TRUST PLC The unaudited net asset values for BlackRock Throgmorton Trust plc at close ofbusiness on 18 May 2015 were: 369.96p Capital only374.13p Including current year income369.96p Capital only (adjusted for treasury shares)374.13p Including current year income (adjusted for treasury shares) Notes: 1. Investments have been valued on a bid price basis. 2. The Company's issued share capital comprises 73,130,326 Ordinary Shares and7,400,000 Treasury Shares. 3. Revenue items included in net asset value, with dividends payable deductedon the ex-dividend date.