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 28 September 2015 were:

131.54p  Capital only and including debt at par value 
125.99p  Capital only and including debt at fair value 
133.86p  Including current year income and debt at par value XD
128.31p  Including current year income and debt at fair value XD

Notes:

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

2.       Following the buyback of 250,000 ordinary shares on 11 
August 2015, the Company has 274,437,282 ordinary shares in issue, 
excluding 16,675,000 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 274,437,282 Ordinary Shares in issue.