Len J. Keating

Northern Trust Investments, Inc. (Investment Management) (NTI-IM) is the asset management division of Northern Trust Investments, Inc., ultimately held by Northern Trust Corp. (NASDAQGS: NTRS), a multi-bank holding company established in 1889. The firm was founded in 1988 and headquartered in Chicago, Illinois. NTI-IM provides a wide range of discretionary and non-discretionary investment advisory and sub-advisory services to individual and institutional clients.

Founded by Edward C. Rorer in 1978, Rorer Asset Management LLC is a registered investment advisor firm located in Conshohocken, Pennsylvania. Rorer's client base consists of individuals, trusts, estates, corporations, pension and profit sharing plans, charitable institutions and Taft Hartley funds. The firm participates in various broker sponsored managed account programs. On January 6, 1999 Rorer became an affiliate of Affiliated Managers Group, Inc., an asset management holding company whose stock is listed on the New York Stock Exchange under the symbol AMG.

Cambiar Investors LLC (Cambiar) is a SEC-registered investment advisor headquartered in Denver, Colorado. The firm was founded in 1973 and is wholly owned by Cambiar Holdings LLLP. Cambiar provides investment services to Mutual Funds and Separate Accounts for individuals and institutions, as well as to a collective investment trust for certain retirement assets.