Steven Markusen

Digi-Key Corp. distributes electronic components. It also distributes semiconductors, discrete, electromechanical parts. Its products include audio products, batteries, cable assemblies, capacitors, computer & video accessories, connectors, crystals & oscillators, discrete semiconductor products and many more. The company was founded by Ronald A. Stordahl in 1972 and is headquartered in Thief River Falls, MN.

Colliers Securities LLC is a registered broker-dealer headquartered in Minneapolis, Minnesota. The firm was founded in 1997 and formerly known as Dougherty & Co. LLC. They are a wholly owned subsidiary of Colliers Mortgage Holdings LLC, ultimately owned by Colliers International Group, Inc. (NASDAQ; TSX: CIGI) in Canada. Colliers Securities generally provides brokerage, custody and execution services through a clearing arrangement with National Financial Services LLC, a nonaffiliated firm, member NYSE, SIPC and a Fidelity Investments® Company.

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.

Securian Asset Management, Inc. (Securian AM) is a SEC-registered investment advisor headquartered in St. Paul, Minnesota. The firm was founded in 1984 and formerly known as MIMLIC Asset Management, Inc. and Advantus Capital Management, Inc. They are a wholly-owned subsidiary of Securian Financial Group, Inc., ultimately owned by Minnesota Mutual Cos., Inc. Securian AM offers discretionary and non-discretionary asset management for registered investment companies, insurance companies, including separate accounts of insurance companies, and other institutional investors.