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 16 July 2015 were:

142.70p   Capital Only: Debt at par
138.20p   Capital Only: Debt at Fair Value
145.42p   Including current year revenue: Debt at par
140.92p   Including current year revenue: Debt at Fair Value

Notes:

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

2.        Following the buyback of 1,500,000 ordinary shares on 7 July 2015,
the Company has 280,837,282 ordinary shares in issue,
          excluding 10,275,000 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
280,837,282 Ordinary Shares in issue.


NET ASSET VALUE

BLACKROCK COMMODITIES INCOME INVESTMENT TRUST PLC

The unaudited net asset values for BlackRock Commodities Income Investment
Trust plc at close of business on 16 July 2015 were:

73.73p Capital only
74.14p Including current year income XD

Notes:

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

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

3. Following the issue of a further 250,000 shares on 16 July 2015, the Company
now has 111,868,000 ordinary shares in issue, and the unaudited NAV above has
been calculated on this basis.

4. For the latest daily net asset value, previous month end performance
statistics, asset allocation and ten largest holdings of the BlackRock managed
Investment Trusts; see BLRKINDEX on Reuters or page 8800 on ICB (Topic 3).