REG-BlackRock Investment Trusts: Net Asset Value(s)

BLACKROCK INVESTMENT TRUSTS

NET ASSET VALUE

BLACKROCK GREATER EUROPE INVESTMENT TRUST PLC

The unaudited net asset value for BlackRock Greater Europe Investment Trust plc
at close of business on 21 April 2010 was:

190.45p Capital only (undiluted)
191.89p Including current year income (undiluted)
190.45p Capital only (Treasury Shares)
191.89p Including current year income (diluted for treasury shares)

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. The undiluted net asset value above has been calculated based on 101,684,469
ordinary shares, excluding 3,440,129 held in treasury.

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).

NET ASSET VALUE

BLACKROCK WORLD MINING TRUST PLC

The unaudited net asset value for BlackRock World Mining Trust plc at close of
business on 21 April 2010 was:

728.53p Capital only (undiluted)
730.19p Including current year income (undiluted) 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. The undiluted net asset value per share has been calculated on 177,762,242
ordinary shares excluding 15,249,600 held in treasury.

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).

NET ASSET VALUE

BLACKROCK NEW ENERGY INVESTMENT TRUST PLC

The unaudited net asset value for BlackRock New Energy Investment Trust plc at
close of business on 21 April 2010 was:

51.15p Capital & including income (Pre Performance Fee) - undiluted for subscription shares
51.15p Capital & including income (Post Performance Fee) - undiluted for subscription shares
50.34p Including income (Pre Performance Fee) - diluted for subscription shares
50.34p Including income (Post Performance Fee) - diluted for subscription shares

Notes:

1. Under the investment management agreement dated 14 December 2006, a
performance fee is payable based on outperformance of the Company's benchmark index if the Company's
NAV reaches a high watermark of 55.58p. In accordance with the AIC statement of Recommended Practice,
the above NAV includes any relevant performance fee provisions to the extent that the high watermark has
been attained. The NAV prior to the calculation of any performance fee accruals, for the
purposes of calculating the highwatermark, amounted to: 51.15p (Capital including income); 50.34p (Capital
incl. income diluted).

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

3. Following the conversion of 1,809,190 subscription shares into ordinary
shares on 8 February 2010, the number of ordinary shares now in issue totals
246,565,844. The number of subscription shares now in issue totals 45,933,967.

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).

NET ASSET VALUE

BLACKROCK SMALLER COMPANIES TRUST PLC

The unaudited net asset value for BlackRock Smaller Companies Trust plc at
close of business on 21 April 2010 was:

430.41p Capital only and including debt at par value
426.15p Capital only and including debt at fair value
438.42p Including current year income and debt at par value
434.17p Including current year income and debt at fair value

Notes:

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

2. 250,000 ordinary shares were purchased on 4 February 2010 and a further
65,000 shares on 5 February 2010, bringing the total amount of ordinary shares
held in treasury to 2,113,731. The total number of ordinary shares in issue
excluding treasury shares is 47,879,792.

3. 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).

NET ASSET VALUE

BLACKROCK COMMODITIES INCOME INVESTMENT TRUST PLC

The unaudited net asset value for BlackRock Commodities Income Investment Trust
plc at close of business on 21 April 2010 was:

138.36p Capital only (undiluted)
139.32p Including current year income (undiluted) XD
138.37p Capital only (diluted NAV incorporating treasury shares)
139.32p Including current year income (diluted NAV incorporating treasury
shares) 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. The unaudited NAV above has been calculated based on 75,325,662 shares.

4. Following the resale of 500,000 shares out of treasury on 13 January 2010,
there are 274,338 shares held in treasury.

5. 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).

NET ASSET VALUE

BLACKROCK LATIN AMERICAN INVESTMENT TRUST PLC

The unaudited net asset value for BlackRock Latin American Investment Trust plc
at close of business on 21 April 2010 was:

1062.32c per share (US cents) - Cum income with convertible bond at par value XD
689.76p per share (pence sterling) - Cum income with convertible bond at par value XD
1005.95c per share (US cents) - Capital only with convertible bond at fair value
653.16p per share (pence sterling) - Capital only with convertible bond at fair value
1016.32c per share (US cents) - Including current year income with convertible bond at fair value XD
659.90p per share (pence sterling) - Including current year income with convertible bond at fair value XD
1030.91c per share (US cents) - Fully diluted for full conversion of bond and with treasury shares not sold
(USD) incl. income XD
669.37p per share (pence sterling) - Fully diluted for full conversion of bond and with treasury shares not
sold (pence) incl. 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. The number of shares in issue is 43,835,522. Following the cancellation on
31 March 2010 of 3,554,231 shares previously held
in treasury, there are no shares remaining in treasury.

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).

NET ASSET VALUE

THE THROGMORTON TRUST PLC

The unaudited net asset value for The Throgmorton Trust PLC at close of
business on 21 April 2010 was:

168.63p Capital only
169.86p Including current Year Revenue
168.63p Capital only (adjusted for treasury shares)
169.86p Including current year income (adjusted for treasury shares)
164.86p Capital only (diluted for subscription shares)
165.89p Including current year income (diluted for subscription shares)

Notes:

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

2. Following the recent Tender Offer and Bonus Issue of Subscription Shares and
conversion of 12,426 subscription shares with effect
from 8 February 2010, the Company's issued share capital now consists of
74,128,534 Ordinary Shares (excluding treasury shares), 7,400,000 shares held
in treasury and 14,810,475 Subscription Shares.

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

NET ASSET VALUE

THE EASTERN EUROPEAN TRUST PLC

The unaudited net asset value for The Eastern European Trust PLC at close of
business on 21 April 2010 was:

485.64c per share (US cents) - Including current year income
315.33p per share (pence sterling) - Including current year income

Notes:

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

2. Revenue items included in net asset value.

3. 30,000 ordinary shares were purchased on 9 December 2009, bringing the total
amount of ordinary shares held in treasury to 689,500. The total number of
ordinary shares in issue excluding treasury shares is 52,998,240.

END