David R. Sarns

Bank of Ann Arbor provides commercial banking services. It offers checking, savings, online and mobile banking, health savings accounts, personal loans, home loans, private banking, deposit, lending, cash management, and interest rate. The company was founded on January 16, 1996 and headquartered in Ann Arbor, MI.

Arbor Bancorp, Inc. engages in operation of a bank holding firm. The company was founded on January 16, 1996 and is headquartered in Ann Arbor, MI.

Rockefeller & Co., Inc. is a registered investment advisor headquartered in New York City. The firm is a subsidiary of Rockefeller Financial Services, Inc. Rockefeller & Co. is the successor firm to the office established in New York City in 1882 by John D. Rockefeller to manage his family's assets and to create and sustain wealth for future generations. The office provided investment management and financial counseling services for the Rockefellers and related organizations. Rockefeller & Co. was incorporated in 1979 and became an SEC-registered investment advisor in 1980. They expanded their capabilities by chartering trust companies in New York in 1985 and Delaware in 1997. Rockefeller & Co. provides investment services to a variety of clients including ultra high net-worth individuals, families, family offices, trusts, endowments and institutions in the US and around the world.

Cowen & Co. LLC is a SEC-registered broker/dealer headquartered in New York City. The firm was founded in 2004 and is a subsidiary of Cowen Holdings, Inc., ultimately owned by The Toronto-Dominion Bank (TSE: TD) in Canada. Cowen & Co. offers industry-focused investment banking for growth-oriented companies, domain knowledge-driven research and a sales and trading platform for institutional investors. Their institutional sales and trading business serves both equity and fixed-income clients. Sales and trading execution platform is structured around the following key verticals: (1) healthcare (2) technology, telecommunications and media (TMT) (3) REITs and financials (4) aerospace and defense (5) consumer and (6) alternative energy.

Coherix, Inc. provides 3-Dimensional (3D) measurement and inspection solutions. It offers solutions for assembly verification, error-proof for automotive, semiconductor and electronics industries. The firm?s inspection solutions include Tru3D, a platform which facilitates assembly verification and error proofing, ShaPix, a 3D planar surface metrology, 3DX and OPIS for 2D and 3D vision inspection. The company was founded by Dwight D. Carlson, Douglas Davidson and Alice M. Grisham on October 30, 2003 and is headquartered in Ann Arbor, MI.