Mark Porrell

Duff & Phelps Investment Management Co. (Duff & Phelps) is a SEC-registered investment advisor headquartered in Chicago, Illinois. The firm was established in 1979, evolving from the Duff & Phelps investment research firm founded in 1932. They are a wholly-owned subsidiary of Virtus Partners, Inc., which is wholly-owned by Virtus Investment Partners, Inc. (NASDAQ: VRTS). Duff & Phelps provides investment advisory services to institutional clients, mutual funds, closed-end funds, and other pooled investment vehicles as well as to retail clients. Duff & Phelps is a signatory to the United Nations Principles for Responsible Investment (UN PRI).

Founded in 1976, American National Bank & Trust is an independent locally-owned bank located in Wichita Falls, Texas. The bank is a direct subsidiary of AmeriBancShares, of Delaware, Inc. Their ultimate parent is AmeriBancShares, Inc.

Concord Investment Group, Inc. is a private equity firm. The American company was founded by Raynard D. Benvenuti.