Other Company Information

In April 2008, Affiliated Managers Group, Inc. provided The Bank of New York, as successor trustee under the Indenture dated as of May 7, 2001, as amended, between AMG and The Bank of New York, with notice that a holder of its outstanding Liquid Yield Option™ Notes (the “LYONs”) may convert such security into common stock of AMG during the quarter ending June 30, 2008 by following the procedures for conversion set forth in the Indenture. Under the terms of the Indenture, the LYONs may cease to be convertible in the future.