MSC INCOME FUND INC

Rule 10b5-1 Trading Plans

During the fiscal quarter ended June 30, 2024, none of our directors or officers adopted orterminated any contract, instruction or written plans for the purchase or sale of our securities to satisfy the affirmative defense conditions of Exchange Act Rule 10b5-1(c) or any “non-Rule 10b5-1 trading arrangement.”

Officer Appointments

On August 13, 2024, our Board of Directors appointed Ryan H. McHugh to serve as our Vice President, Chief Accounting Officer and Assistant Treasurer, effective as of August 19, 2024. Mr. McHugh currently serves as the Company’s Vice President of Finance.

Mr. McHugh, age 47, a certified public accountant, has been our Vice President of Finance since May 2024. He also serves as Main Street’s Vice President, Chief Accounting Officer and Assistant Treasurer. Prior to joining Main Street, Mr. McHugh spent eight years with Academy Sports + Outdoors (NASDAQ: ASO) where he worked in several leadership roles including Vice President and Corporate Controller. Prior to joining Academy, Mr. McHugh held various accounting leadership roles at Glori Energy (NASDAQ: GLRI) and Stewart Title Company (NYSE:STC). Mr. McHugh started his career at Grant Thorton in the assurance practice.

There is no arrangement or understanding between Mr. McHugh and any other persons pursuant to which he is being appointed as the Company’s Vice President, Chief Accounting Officer and Assistant Treasurer. There are no family relationships between Mr. McHugh and any director, director nominee or executive officer of the Company, and there are no current or proposed transactions between the Company and Mr. McHugh or his immediate family members that would require disclosure under Item 404(a) of Regulation S-K.