Dusty L. Self

Based in Atlanta, Georgia, Ridgeworth Capital Management, formerly Trusco Capital Management, Inc., provides investment management services to associations, corporations, endowments, foundations, healthcare organizations, insurance companies, labor unions and municipalities. Trusco provides services to clients world-wide and serves as the advisor to the STI Classic family of mutual funds. The firm is a subsidiary of Atlanta-based SunTrust Banks Inc. (NYSE: STI), currently has offices in Orlando, Nashville, Chattanooga, Richmond, Chapel Hill, Washington, DC and Woodcliff Lake, New Jersey.

StableRiver Capital Management is a registered investment advisor located in Atlanta with an additional office Orlando, Florida. StableRiver is an independent subsidiary of RidgeWorth Capital Management, Inc. Their ultimate parent is SunTrust Banks, Inc. (NYSE: STI). Prior to 2008, StableRiver Capital Management was known as the Specialty Fixed Income division of Trusco Capital Management, Inc., which became RidgeWorth in 2008. StableRiver specializes in managing high-quality taxable and tax-exempt fixed-income portfolios for institutional clients.

Virtus Fixed Income Advisers LLC (VFIA) is a SEC-registered investment advisor headquartered in Hartford, Connecticut. The firm was founded in 1992 as Seix Investment Advisors LLC. They are a subsidiary of Virtus Partners, Inc., which is owned by Virtus Investment Partners, Inc. (NASDAQ: VRTS). VFIA provides discretionary investment supervisory services to high-net worth individuals and institutional clients.

DTF Tax-Free Income 2028 Term Fund Inc. is a diversified, closed-ended management investment company, which engages in income exemption from regular federal income tax consistent with the preservation of capital. The company was founded on September 24, 1991 and is headquartered in Chicago, IL.

Duff & Phelps Investment Management Co. (Duff & Phelps) is a SEC-registered investment advisor headquartered in Chicago, Illinois. The firm was established in 1979, evolving from the Duff & Phelps investment research firm founded in 1932. They are a wholly-owned subsidiary of Virtus Partners, Inc., itself wholly-owned by Virtus Investment Partners, Inc. (NASDAQ: VRTS). They provide investment supervisory services and manages investment advisory accounts for registered investment companies, pooled investment vehicles, and institutional and individual separate accounts. Duff & Phelps is a signatory to the United Nations Principles for Responsible Investment (UN PRI).