Net Asset Value(s)

NET ASSET VALUE

BLACKROCK LATIN AMERICAN INVESTMENT TRUST PLC

The unaudited net asset values for BlackRock Latin American Investment Trust
plc at close of business 30 January 2013 were:

981.19c per share (US cents) - Capital only with convertible bond at par value
1002.60c per share (US cents) - Cum income with convertible bond at par value
974.71c per share (US cents) - Capital only with convertible bond at fair value
996.13c per share (US cents) - Cum income with convertible bond at fair value
982.22c per share (US cents) - Capital only fully diluted for full conversion of bond
1000.99c per share (US cents) - Cum income fully diluted for full conversion of bond
621.29p per share (pence sterling) Capital only with convertible bond at par value
634.85p per share (pence sterling) - Cum income with convertible bond at par value
617.19p per share (pence sterling) - Capital only with convertible bond at fair value
630.75p per share (pence sterling) - Cum income with convertible bond at fair value
621.94p per share (pence sterling) - Capital only fully diluted for full conversion of bond
633.83p per share (pence sterling) - Cum income fully diluted for full conversion of bond

Notes:

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

2. The conversion price of the bonds is $9.83.

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

4. Following the buyback of US$15,948,000 of 3.5% convertible bonds on 12
December 2012 for cancellation, the Company has in issue 41,433,247 ordinary
shares, excluding 2,408,065 shares held in treasury and US$ 64,000,000 3.5%
convertible bonds.

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

THE THROGMORTON TRUST PLC

The unaudited net asset values for The Throgmorton Trust PLC at close of
business 30 January 2013 were:

253.59p Capital only
257.06p Including current year revenue
253.59p Capital only (adjusted for treasury shares)
257.06p Including current year income (adjusted for treasury shares)

Notes:

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

2. The Company's issued share capital now comprises 73,130,326 Ordinary Shares
and 7,400,000 Treasury Shares.

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

NET ASSET VALUE

BLACKROCK INCOME AND GROWTH INVESTMENT TRUST PLC.

The unaudited net asset values for BlackRock Income and Growth Investment Trust
plc at close of business 30 January 2013 were:

155.34p Capital only (undiluted)
155.57p Capital only (Diluted for treasury shares)
159.09p Including current year income (undiluted)
158.80p Including current year income (Diluted for treasury shares)

Notes:

1. The Company has 28,379,268 ordinary shares in issue excluding 4,554,664
shares in treasury.

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


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