Net Asset Value(s)

NET ASSET VALUE

BLACKROCK INCOME STRATEGIES TRUST PLC

The unaudited net asset values for BlackRock Income Strategies Trust plc at
close of business on 23 July 2015 were:

141.42p  Capital only and including debt at par value
136.65p  Capital only and including debt at fair value
144.27p  Including current year income and debt at par value
139.51p  Including current year income and debt at fair value

Notes:

1.        Investments have been valued on a bid price basis.

2.       Following the buyback of 750,000 ordinary shares on 22 July 2015, the
Company has 277,087,282 ordinary shares in issue,
         excluding 14,025,000 which are held in treasury.

3.        Revenue items included in net asset value, with dividends payable
deducted on the ex-dividend date.

4.        The unaudited NAV above has been calculated on the basis of
277,087,282 Ordinary Shares in issue.