Jon Davidson

Wells Fargo Advisors Financial Network LLC (WFAFN) is a registered investment adviser and broker-dealer headquartered in St. Louis, Missouri. Founded in 2001, the firm is a subsidiary of Wachovia Securities Financial Holdings LLC and is a non-bank affiliate of Wells Fargo & Co. (NYSE: WFC), a financial holding company and bank holding company created in 1852. WFAFN provides advisory services to individuals, pension or profit-sharing plans, trusts, estates or charitable organizations, corporations or other business entities, governmental entities and educational institutions, as well as banks or thrift institutions. The firm also sponsor a number of wrap fee advisory programs.

Principal Global Investors LLC, dba Principal Asset Management (Principal AM), is a SEC-registered investment advisor headquartered in Des Moines, Iowa. The firm was founded in 1998 and is a wholly owned subsidiary of the Principal Global Investors Holding Co. (US) LLC and their ultimate parent is Principal Financial Group, Inc. (NASDAQ: PFG). Principal AM provides investment advisory services to institutional investors and individuals on a discretionary or non-discretionary basis.

Dickinson & Co. is a private company that specializes in security dealing and underwriting. The company is based in Des Moines, IA.

Norwest Corp. is a consulting and engineering services company based in Salt Lake City, UT and has subsidiaries in the United States. The private company provides consulting and engineering services.

First Business Bank (Investment Management) (FBB-IM) is the investment management division of First Business Bank, a state-chartered, commercial bank headquartered in Madison, Wisconsin. The firm was founded in 1909 and is a wholly-owned subsidiary of First Business Financial Services, Inc. (NASDAQ: FBIZ). FBB-IM offers a full line of financial services for businesses and business owners, such as Business Banking, Private Wealth (Financial Planning, Investment Management, Trust & Estate Administration, and Private Banking) and Bank Consulting (Investment Portfolio Services, Asset Liability Management, ALM Process Validation) solutions.

Southfield Mezzanine Associates LLC (Southfield Mezzanine) is a private equity firm founded in 2002 by A. Andrew Levison. The firm is headquartered in Greenwich, Connecticut.

Southfield Capital Advisors LLC (Southfield Capital) is a private equity firm founded in 2002 by A. Andrew Levison. The firm is headquartered in Greenwich, Connecticut.