Christopher Douglas Strom

Mairs & Power, Inc. is an independent, SEC-registered investment advisor headquartered in St. Paul, Minnesota. Founded in 1931, the firm provides discretionary and non-discretionary investment advisory services to a variety of clients, such as institutional accounts, individuals, pension and profit-sharing plans, trusts, trust companies and health and welfare plans.

Sit Investment Associates, Inc. (Sit Investment) is a privately-owned, SEC-registered investment advisor headquartered in Minneapolis, Minnesota. The firm was founded by Eugene Sit in 1981. Sit Investment manages client assets on a discretionary basis for several types of clients, which includes public and private institutional investors, pension funds, Taft-Hartley plans, charitable institutions, foundations, endowments, corporations, insurance companies, municipalities, registered investment companies, private investment companies, collective investment trusts and high-net-worth individuals.

RiverSource Investments LLC, formerly American Express Financial Corp., is a registered investment advisor and mutual fund manager headquartered in Minneapolis, Minnesota with offices in New York City, Maryland, Massachusetts and California. The firm is a wholly-owned subsidiary of Ameriprise Financial Services, Inc. (NYSE: AMP). RiverSource Investments provides investment management services to the RiverSource Investments family of funds (formerly the American Express Funds). The firm also provides investment management services for institutional clients, alternative investments, insurance assets and a managed account program.

Founded in 2000, Wells Fargo Investments LLC is a registered investment advisor headquartered in San Francisco. The firm is a subsidiary of Wells Fargo & Co., Inc. (NYSE: WFC). Wells Fargo Investments provides services to individuals, including high net-worth individuals, pension and profit sharing plans, charitable organizations and corporations.

Zuckerman Investment Group LLC (ZIG) is a registered investment advisor headquartered in Chicago, Illinois. The firm was founded by Daniel Zuckerman and Sherwin Zuckerman in 2005. They are a subsidiary of Zig Holding LLC. ZIG manages equity, balanced and fixed income portfolios for high net worth individuals and families, trusts, partnerships, retirement plans and charitable foundations. The firm provides investment advice, counseling and portfolio management to multi-generational families on both a discretionary and non-discretionary basis through the use of separately managed accounts.