Columbia Mid Cap Index Fund (Columbia Fds Srs Tr,. Columbia ) Fonds

The fund invests at least 80% of its net assets (including the amount of any borrowings for investment purposes) in common stocks that comprise the S&P MidCap 400 Index. In seeking to match the performance of the index, the Investment Manager attempts to allocate the fund's assets among common stocks in approximately the same weightings as the index. The manager attempts to achieve at least a 95% correlation between the performance of the index and the fund's investment results, before fees and expenses.