Net Asset Value(s)

NET ASSET VALUE

BLACKROCK INCOME STRATEGIES TRUST PLC

The unaudited net asset values for the ordinary shares of BlackRock Income
Strategies Trust plc at close of business on 26 June 2015 were:

141.71p   Capital Only: Debt at par
137.46p   Capital Only: Debt at Fair Value
144.01p   Including current year revenue: Debt at par XD
139.75p   Including current year revenue: Debt at Fair Value XD
 
Notes:

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

2.Following the buyback of 1,000,000 ordinary shares on 25 June 2015,
the Company has 284,837,282 ordinary shares in issue, excluding 
6,275,000 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 284,837,282 Ordinary Shares in issue.