LOOMIS SAYLES AGGRESSIVE GROWTH FUND
                                 (the "Fund")

  Supplement dated November 20, 2006 to the Loomis Sayles Retail Equity Funds
Prospectus dated February 1, 2006, as may be revised or supplemented from time
                                    to time

At a meeting held on November 17, 2006, the Board of Trustees of Loomis Sayles
Funds II approved a change in the name of the Loomis Sayles Aggressive Growth
Fund to the Loomis Sayles Mid Cap Growth Fund, effective February 1, 2007. In
addition, the Trustees approved the changes to the investment strategy of the
Fund described below, also effective on February 1, 2007.

Prospectus Changes

Effective February 1, 2007, all references to the Loomis Sayles Aggressive
Growth Fund are replaced with "Loomis Sayles Mid Cap Growth Fund."

Effective February 1, 2007, within the section "Principal Investment
Strategies" the first paragraph is revised with respect to Loomis Sayles
Aggressive Growth Fund to read as follows:

The Fund normally will invest at least 80% of its net assets (plus any
borrowings made for investment purposes) in common stocks or other equity
securities (which may include securities offered in the secondary markets or in
initial public offerings) of companies with market capitalizations that fall
within the capitalization range of companies included in the Russell Midcap
Growth Index. In accordance with applicable SEC requirements, the Fund will
notify shareholders prior to any change to such policy taking effect. The Fund
may invest in companies of any size.

                                                                  M-LSSP64-1106