Dennis J. Whittaker

Stephens, Inc. is a full-service investment bank and brokerage firm headquartered in Little Rock, Arkansas. The firm was founded in 1933 and is a subsidiary of Susi Holdings, Inc., which is owned by Stephens Financial Services LLC. Stephens provides comprehensive securities sales and trading services, including customized solutions for clients in North America and abroad.

HighMark Capital Management, Inc. (HighMark) is a SEC-registered investment advisor headquartered in San Francisco, California. The firm was founded in 1919 and is a wholly-owned subsidiary of MUFG Union Bank NA, ultimately held by Mitsubishi UFJ Financial Group, Inc. (NYSE: MY, TYO: 8306), a Japan-based financial institution. HighMark provides investment advice to pension and profit-sharing plans, pooled investment vehicles, charitable organizations, corporations, state and municipal government entities, corporate employee benefit plans, public agencies, foundations and endowments, Taft-Hartley plans, hospital and religious organizations, and treasury departments.

Capital Advisors, Inc. is an independent, SEC-registered investment advisor and wealth management firm headquartered in Tulsa, Oklahoma. Founded in 1978, Capital Advisors provides investment advisory services to individuals, high net worth individuals, institutions, pension and profit-sharing plans, charitable organizations, investment companies and corporations and other business entities.

Northern Capital Securities Corp. provides expert perspectives on changes in the fixed income markets, sector analysis, portfolio strategies and implications to institutional investors. The private company is based in Andover, MA. The company's client service teams are made up of highly experienced multi-disciplinary specialists. The CEO of the company is David Oldaker.

SouthStateDuncanWilliams Securities Corp. (SouthStateDuncanWilliams) is a registered broker-dealer and financial services firm headquartered in Memphis, Tennessee. Formerly known as Duncan-Williams, Inc., the firm was founded in 1969 and is a wholly owned subsidiary of South State Corp. (NASDAQ: SSB). SouthStateDuncanWilliams offers sales, finance and underwriting of fixed-income securities to banks and other financial institutions. They focus on securities such as US treasury notes and bonds, federal agency securities, mortgage-backed securities, corporate bonds, municipal bonds, certificates of deposit and mutual funds.

Rocky Mountains Inns operates a hotel.

Weaver C. Barksdale & Associates, Inc., dba Barksdale Investment Management (BIM), is an independent, SEC-registered investment advisor headquartered in Nashville, Tennessee. The firm was founded by Weaver C. Barksdale in 1984. BIM provides highly customized fixed income and equity management primarily to institutional clients.

Regions Bank provides consumer and commercial banking, wealth management, mortgage, and insurance products and services. The company is headquartered in Birmingham, AL.

Pugh Capital Management, Inc. (Pugh Capital) is an independent, employee-owned SEC-registered investment advisor headquartered in Seattle, Washington. The firm was founded by Mary Pugh and Scott Greiwe in 1991. Pugh Capital offers discretionary investment advisory services that relate to fixed income investments to institutional investors.

Part of Transocean Ltd., Challenger Minerals, Inc. operates an oil and gas development and production company. The company is based in Houston, TX.

The Society of Exploration Geophysicists operates as an association of exploration geophysicists. The non-profit company is based in Tulsa, OK and has subsidiaries in the United States.

City National Rochdale LLC (CNR) is the SEC-registered investment management subsidiary of CNR Holdings LLC, ultimately held by Royal Bank of Canada (NYSE, TSE: RY) in Canada. The firm was founded when Rochdale Investment Management LLC was combined with City National Asset Management, Inc. and City National Bank's investment management group, City National Asset Management. Headquartered in New York City, CNR provides portfolio management services to high net-worth individual investors as well as to registered investment companies and institutions.

Part of New Tech Global Ventures LLC, Petroleum Engineers, Inc. is a company that provides engineering services. The company is based in Lafayette, LA.