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 11 May 2015 were: 364.49p Capital only368.54p Including current year income364.49p Capital only (adjusted for treasury shares)368.54p 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.