Main Street Capital CORP

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 5, 2024, our Board of Directors appointed Ryan R. Nelson to serve as our Chief Financial Officer and Treasurer and Ryan H. McHugh to serve as our Vice President, Chief Accounting Officer and Assistant Treasurer, each effective as of August 12, 2024. Mr. Nelson currently serves as the Company’s Vice President, Chief Accounting Officer and Assistant Treasurer and succeeds Jesse E. Morris in the new role. Mr. Morris will continue to serve as the Company’s Executive Vice President, Chief Operating Officer and Senior Managing Director. Mr. McHugh currently serves as the Company’s Vice President of Finance.

Mr. Nelson, age 41, a certified public accountant, has been our Vice President, Chief Accounting Officer and Assistant Treasurer since March 2023 and previously served as our Vice President of Finance since joining Main Street in December 2022. Prior to joining Main Street, Mr. Nelson spent four years with Conn’s, Inc. (NASDAQ: CONN), a furniture, mattress, electronics and appliance store chain, where he worked in several leadership roles, including Vice President and Chief Accounting Officer. On July 23, 2024, Conn’s and certain of its subsidiaries filed for voluntary protection under Chapter 11 of the Bankruptcy Code. Prior to joining Conn’s, Mr. Nelson spent seven years with EnLink Midstream Partners, a midstream energy services company, where he worked in several leadership roles in their accounting group. Mr. Nelson started his career at KPMG LLP.

Mr. McHugh, age 47, a certified public accountant, has been our Vice President of Finance since May 2024. 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.

The Company is granting Mr. Nelson $150,000 in shares of restricted stock pursuant to the Main Street Capital Corporation 2022 Equity and Incentive Plan in connection with his promotion, 20% of which award is scheduled to vest on each of April 1, 2025, 2026, 2027. 2028 and 2029.

There is no arrangement or understanding between either Mr. Nelson or Mr. McHugh and any other persons pursuant to which he is being appointed as the Company’s Chief Financial Officer and Treasurer or Vice President, Chief Accounting Officer and Assistant Treasurer, respectively. There are no family relationships between either Mr. Nelson or 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 either Mr. Nelson or Mr. McHugh or their respective immediate family members that would require disclosure under Item 404(a) of Regulation S-K.