Keith W. McClendon

Morgan Stanley & Co. LLC is a registered broker-dealer subsidiary of Morgan Stanley Domestic Holdings, Inc., ultimately owned by Morgan Stanley (NYSE: MS) in the US. Headquartered in New York City, the firm was founded in 1987 and provides debt and equity services including underwriting, M&A advice, securities dealing and brokerage and trade execution. Their client base ranges from large global institutional investors to hedge funds at the cutting edge of innovation in the industry.

Goldman Sachs & Co. LLC (GS&Co.) is a securities brokerage firm headquartered in New York City. Founded in 1927, the firm is a subsidiary of The Goldman Sachs Group, Inc. (NYSE: GS). GS&Co. provides services to help hedge funds manage risk, monitor portfolios, maintain liquidity and build their businesses. They offer clients access to global equity and derivatives markets, as well as foreign exchange, commodities, European Lefts, rates and credit across the Americas, Europe and Asia. The firm proactively monitors capital markets, searching for pockets of liquidity and news that may require changes to those strategies. Integration with the Goldman Sachs network gives clients access to the firm's sectored block trades and their insights into price discovery. Their electronic trading program provides clients with tools to manage their trades from pre-trade analytics to post-trade analysis.

CFA Society of Oklahoma provides investment management services. The non-profit company is based in Oklahoma City, OK.

Cushing Asset Management LP is a SEC-registered investment advisor headquartered in Dallas, Texas. The firm was founded by Jerry Swank in 2003 and they are a wholly-owned subsidiary of Swank Capital LLC. Cushing Asset Management provides investment management services on a discretionary basis to high net-worth individuals and institutional investors through Private Funds, Mutual Funds, ETFs, Closed-End Funds and Managed Accounts. They also offer discretionary investment management services as part of various wrap fee programs offered by investment advisers/broker-dealers.

Arthur Andersen LLP used to provide accounting services. It was also into consulting services for clients that operate businesses throughout the United States and around the world. Arthur Andersen was founded in 1913 and was headquartered in Chicago, IL.

Mercantile Securities (Scotland) Ltd. provides security brokerage services. The private company is based in Glasgow, UK.

Part of Dorchester Minerals LP, Dorchester Minerals Management GP LLC provides management services. The company is based in Dallas, TX. William Casey McManemin has been the CEO of the company since 2001.

Founded in 2001, Macquarie Capital (USA), Inc. is a registered broker/dealer located in New York City. The firm is a subsidiary of Macquarie Bank Ltd. (ASX: MBL). They provide coverage of the following industries: resources, healthcare, security/defense, transportation, financial services, retail/consumer products, TMET (telecommunications, media, entertainment and technology), oil & gas, diversified manufacturing/distribution and infrastructure/utilities. Macquarie Capital (USA), Inc. is a member of FINRA.

Duke University is an academic university that offers undergraduate, graduate and professional programs. It also has publications and research services. The university was founded in 1838 and is headquartered in Durham, NC.