On May 7, 2021, Brent D. Smith, Chief Financial Officer and Treasurer of MSC Income Fund, Inc. (the “Company”) and Main Street Capital Corporation (“Main Street”), parent company to MSC Adviser I, LLC, the Company’s investment adviser, mutually agreed that Mr. Smith’s employment with Main Street, and roles with Main Street’s subsidiaries and affiliated funds, including the Company, will cease effective August 31, 2021 (the “Separation Date”) pursuant to that certain Retention and Release Agreement entered into by and between Mr. Smith and Main Street (the “Retention Agreement”). Under the terms of the Retention Agreement, Mr. Smith has agreed to help transition his duties and responsibilities through the Separation Date while continuing to serve as the Company’s and Main Street’s Chief Financial Officer and Treasurer (the “Transition Period”). The Retention Agreement also provides for a customary release of claims, confidentiality and non-disparagement obligations and a one-year non-competition provision. Mr. Smith’s separation from the Company and Main Street is not the result of any disagreement with management or the board of directors of either entity. Following Mr. Smith’s separation, Jesse E. Morris, currently Executive Vice President and Chief Operating Officer of the Company and Main Street, will assume the roles of Chief Financial Officer and Treasurer of each entity in addition to his current responsibilities.