Lewis Ropp

Barrow, Hanley, Mewhinney & Strauss LLC, dba Barrow Hanley Global Investors (Barrow Hanley), is a registered investment advisor headquartered in Dallas, Texas. The firm was founded by Michael C. Mewhinney in 1979. They are a subsidiary of Perpetual US Holding Co., Inc., ultimately held by Perpetual Ltd. (ASX: PPT) in Australia. The firm provides investment management services to separately managed US and global equity and fixed income portfolios for large institutional clients, mutual funds, employee benefit plans, endowments, foundations, limited liability companies and other institutions and individuals. Barrow Hanley is a signatory to the United Nations' Principles for Responsible Investment (UN PRI).

Founded in 1999, Frost Securities, Inc. (FSI) is an investment banking firm and broker/dealer located in Dallas, Texas. The firm is a wholly-owned subsidiary of Cullen/Frost Bankers, Inc. (NYSE: CFR). They provide clients with financial advisory services related to mergers & acquisitions, recapitalizations and board-level analyses of strategic alternatives. FSI's execution capabilities include raising private institutional capital such as senior debt, mezzanine debt, preferred stock and common stock. The firm provides services primarily to middle-market companies in the Southwestern US. FSI's experience covers a wide range of comprehensive capital structure alternatives across a variety of industries including general industrial, healthcare, manufacturing, media, restaurant/food services, retail, business services, financial services, technology and telecommunications. Frost Securities is a member of FINRA.

Part of Stifel Financial Corp., Howard Weil Labouisse Friedrichs, Inc. provides securities and commodities services. The company is based in New Orleans, LA.

Shell Oil Co. manufactures petrochemicals and distributes gas and oil products. The company was founded in 1912 and is headquartered in Houston, TX.