Net Asset Value(s)

NET ASSET VALUE

BLACKROCK FRONTIERS INVESTMENT TRUST PLC

The unaudited net asset value for BlackRock Frontiers Investment Trust plc at
close of business on 28 February 2011 was:

146.71c Capital only USD (cents)
90.20p Capital only Sterling (pence)
147.25c Including current year income USD (cents)
90.53p Including current year income Sterling (pence)

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 94,766,267 following their issue on 17
December 2010.