Net Asset Value(s)

BLACKROCK INCOME AND GROWTH INVESTMENT TRUST PLC.

The unaudited net asset values for BlackRock Income and Growth Investment Trust
plc at close of business 8 June 2012 were:

133.59p Capital only (undiluted)
133.05p Capital only (Diluted for treasury shares)
136.53p Including current year income (undiluted)
135.59p 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.