Thomas L. Kivisto

SemGroup LP is a company that moves energy safely through a network of pipelines, terminals and storage tanks. Each step the company take demonstrates the vast experience of their employees, their dedication to add value to their customers’ business, and their desire to bolster the relationships. Founded in 2000, their newly reorganized company purchases, sells, processes, transports, and stores energy including crude oil, natural gas, natural gas liquids, asphalt and refined products. Their family of companies is fully operational and has financing firmly in place. All divisions are committed to a “zero incident” culture, with employees working to keep the public, and each other, safe.

Koch Industries, Inc. engages in the manufacture and trade of chemical products. It operates in variety of industries such as polymers and fibers, fertilizers, electronics, automotive components, forest and consumer products, minerals, glass, process and pollution control systems, refining and biofuels, commodity trading, investments, and ranching. The company was founded by Frederick Chase Koch in 1940 and is headquartered in Wichita, KS.

BlueKnight Energy Partners LP engages in the operation of independent asphalt facilities. It provides integrated terminalling services for companies engaged in the production, distribution, and handling of liquid asphalt. The company was founded on February 22, 2007 and is headquartered in Tulsa, OK.

Part of Vitol Holding II SA, SemGroup Energy Partners GP LLC operates crude oil assets. The company is based in Tulsa, OK. SemGroup Energy Partners GP was acquired by Vitol, Inc. from SemGroup LP on November 24, 2009.

BOKF, NA, do-business-as BOK Financial, is an asset management firm headquartered in Tulsa, Oklahoma. The firm is a subsidiary of BOK Financial Corp. (NASDAQ: BOKF). BOKF offers trust and investment management services through their banks and subsidiary.

SemCrude LP provides crude oil pipeline and freight transportation services. The company is headquartered in Cushing, OK

New Avoca Gas Storage LLC operates natural gas storage facilities. It also provides natural gas transmission and distribution services. The company was founded on October 26, 1999 and is headquartered in Houston, TX.