Brenda A. Cline

Ms. Cline has served as a director since 2014. Ms. Cline also serves as Chair of the Audit Committee and is a member of the Nominating and Governance Committee. Since 1993, Ms. Cline has served as Executive Vice President, Chief Financial Officer, Treasurer, and Secretary of the Kimbell Art Foundation, a private foundation that owns and operates the Kimbell Art Museum in Fort Worth, Texas. In such capacities, Ms. Cline oversees the foundation's investment portfolio, including asset allocation, risk management, and investment performance; manages all treasury functions; and supervises all foundation and museum business operations, including budgeting, cash management, employee benefit plans, insurance, debt issuance and compliance, financial reporting, and contractual and legal matters. From 1993 until 2013, Ms. Cline served as a contract author for Thomson Reuters (formerly "Practitioners Publishing Company"), Fort Worth, Texas, writing and editing published financial accounting and reporting books. Since 1998, Ms. Cline has also served as a Trustee of Texas Christian University ("TCU"), Fort Worth, Texas. Ms. Cline services for TCU includes serving as the current Chair of the Investment Committee, member of the Audit Committee and Executive Committee, and former member of the Student Relations Committee. Ms. Cline also serves as a director of Range Resources Corporation (NYSE: RRC) and board trustee of The Cushing Asset Management Closed-End Funds, which oversees various investment funds including The Cushing MLP Total Return Fund (NYSE:SRV), The Cushing Energy Income Fund (NYSE:SRF) and The Cushing Renaissance Fund (NYSE: SZC). Ms. Cline has also served as an Independent Trustee of American Beacon Funds since 2004 and currently serves as Chair of the Audit and Compliance Committee and formerly served as the Vice Chair of the Investment Committee. Ms. Cline is the Chair of the audit committees of Range Resources Corporation and Cushing Asset Management Closed-End Funds. Ms. Cline is a certified public accountant.