Michael J. Sullivan

Rock Financial Partners LLC (Rock Financial Partners) is a private equity founded in 2009 by Walter Quinn, Scott Davis, Richard O'Brien and Hunter East. The firm is headquartered in Little Rock, Arkansas.

Founded in 1964, Sterne, Agee & Leach, Inc. is a full service investment firm and registered broker/dealer headquartered in Birmingham, Alabama. The firm's expertise includes retail and institutional brokerage services, investment banking and underwriting, secondary trading of corporate, municipal, and government securities and market making in over-the-counter stocks. The firm is a member of the NYSE and FINRA.

Vining Sparks IBG LLC is a registered broker/dealer headquartered in Memphis, Tennessee. The firm was founded in 1981 and is a subsidiary of Vining-Sparks Securities, Inc., which is owned by Stifel Financial Corp. (NYSE: SF). Vining Sparks IBG executes fixed income securities transactions for a variety of institutional investors.

Founded in 1998, BOK Financial Securities, Inc. is an investment bank and full-service broker/dealer located in Tulsa, Oklahoma with additional offices in Oklahoma City, Dallas, Houston, Scottsdale, Arizona, Little Rock, Arkansas, Overland Park, Kansas, Albuquerque, New Mexico and Salt Lake City, Utah. The firm is a subsidiary of BOK Financial Corp. (NASDAQ: BOKF). BOSC specializes in public and municipal finance and private placements. They offer a variety of taxable and tax-free investment products including tax-exempt municipal bonds, U.S. Government securities, equity investments, mutual funds, tax-deferred annuities, self-directed IRAs, asset allocation programs, separately managed accounts (SMAs), fee-based brokerage accounts and hedging strategies. The firm's clients include individuals, corporations, government agencies, foundations, municipalities and institutions.