Matthew Allen Litfin

Columbia Wanger Asset Management LLC (Columbia Wanger) 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). Columbia Wanger serves as the investment adviser for the Columbia Acorn Funds, the Wanger Advisors Trust and other institutional accounts.

Nuveen Investments, Inc. provides investment management and related services to retail and institutional investors. It offers investment management capabilities across a diversified set of asset classes and investment strategies through its investment management affiliates, including municipal bond, investment grade, global and high-yield bond, floating-rate bank loan, preferred securities, growth equity, value equity, global and international equity, equity income, core equity, equity index, quantitative and enhanced equity, asset allocation, balanced strategies, real asset and commodity. The company was founded by John Nuveen in 1898 and is headquartered in Chicago, IL.

Columbia Management Investment Advisers LLC (CMIA) is a SEC-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 due to 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.

William Blair & Co. LLC (William Blair) is a SEC-registered broker/dealer firm headquartered in Chicago, Illinois. The firm was founded by William McCormick Blair in 1935 and is a subsidiary of WBC Holdings LP. Until 1941, they were known as Blair, Bonner & Co. William Blair provides broking services to individual, institutional and issuing clients.

William Blair & Co. LLC (Investment Management) (William Blair-IM) is the investment management division of William Blair & Co. LLC, a registered broker/dealer headquartered in Chicago, Illinois. The firm was founded in 1935 and is a wholly owned subsidiary of WBC Holdings LP. William Blair-IM provides investment advisory and management services to a number of clients including high net worth clients, individuals, small institutions, William Blair Wrap Program clients and other registered investment advisers.