Darren B. Powell

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.

Putnam Investments LLC operates as an investment advisory company. The company was founded on May 14, 2009 and is headquartered in Boston, MA.

Wellington Management Co. LLP (WMC) is a registered investment advisor and mutual fund manager headquartered in Boston, Massachusetts. The firm was founded in 1928 and is a subsidiary of Wellington Investment Advisors Holdings LLP, ultimately held by Wellington Management Group LLP. WMC offers investment management services for a fee to separate account clients and mutual funds sponsored by unaffiliated parties, as well as to investment vehicles that the firm sponsors.