Erika Katherine Maschmeyer

Columbia Wanger Asset Management LLC (CWAM) is a SEC-registered investment advisor headquartered in Chicago, Illinois. The firm is a wholly-owned subsidiary of Columbia Management Investment Advisers LLC, ultimately held by Ameriprise Financial, Inc. (NYSE: AMP). CWAM serves as the investment advisor to a variety of open-end mutual funds that are series or portfolios of Columbia Acorn Trust and Wanger Advisors Trust, two registered investment companies sponsored by the firm and other institutional accounts.

Columbia Management Investment Advisers LLC (CMIA) is a registered investment advisor and mutual fund manager headquartered in Boston, Massachusetts. The firm is a wholly-owned subsidiary of Ameriprise Financial, Inc. (NYSE: AMP). The firm was formed in 2010 as the result of Ameriprise Financial Services' (AFS) acquisition of the long-term asset management business of Columbia Management Group (CMG) from Bank of America. AFS merged CMG's long-term asset management business with their subsidiary, RiverSource Investments LLC, under the name Columbia Management Investment Advisors. CMIA offers equity and fixed-income retail and institutional investment products for various types of clients.

Robert W. Baird & Co., Inc. (Broker) (Baird-Broker) is the broker-dealer division of Robert W. Baird & Co., Inc., an investment bank and financial services company headquartered in Milwaukee, Wisconsin. The firm was founded in 1919 and is ultimately owned by Baird Financial Group, Inc. Baird-Broker offers a full suite of comprehensive trading services for institutional clients.

Oak Ridge Investments LLC (Oak Ridge) is an independent registered investment advisor headquartered in Chicago, Illinois. The firm was founded by David M. Klaskin in 1989. Oak Ridge manages discretionary accounts for a variety of clients including individuals, investment companies, pension and profit sharing plans, retirement accounts, trusts, estates, corporations and other business entities, charitable organizations, and banks and thrift institutions.