Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K (Mark One) ⌧ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2020 OR ◻ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from: to Commission File Number: 001-33723 Main Street Capital Corporation (Exact name of registrant as specified in its charter) Maryland (State or o ...

Main Street Capital Corporation (NYSE:MAIN) Q3 2020 Earnings Conference Call November 6, 2020 10:00 AM ET Company Participants Zach Vaughan - Investors Relations Dwayne Hyzak - Chief Executive Officer David Magdol - President and Chief Investment Officer Brent Smith - Chief Financial Officer Vince Foster - Executive Chairman Nick Meserve - Managing Director and Head, Middle Market Investment Group Conference Call Participants Robert Dodd - Raymond James Bryce Rowe - National Securities Kenneth Lee - RBC Ope ...

CAPITAL CORPORATION Page 1 Investor Presentation Third Quarter – 2020 Main Street Capital Corporation NYSE: MAIN mainstcapital.com Main Street Capital Corporation NYSE: MAIN mainstcapital.com Disclaimers Main Street Capital Corporation (MAIN) cautions that statements in this presentation that are forward-looking, and provide other than historical information, involve risks and uncertainties that may impact our future results of operations. The forward-looking statements in this presentation are based on cur ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ⌧ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2020 OR ◻ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from: to Commission File Number: 001-33723 Main Street Capital Corporation (Exact name of registrant as specified in its charter) Maryland (S ...

Main Street Capital (NYSE:MAIN) Q2 2020 Earnings Conference Call August 7, 2020 10:00 AM ET Company Participants Zach Vaughan - Dennard Lascar, IR Dwayne Hyzak - CEO David Magdol - President and CIO Brent Smith - CFO Jason Beauvais - General Counsel Conference Call Participants Robert Dodd - Raymond James Bryce Row - National Securities Kenneth Lee - RBC Capital Markets Operator Greetings and welcome to Main Street Capital Corporation’s Second Quarter Earnings Conference Call. At this time, all participants ...

CAPITAL CORPORATION Page 1 Investor Presentation Second Quarter – 2020 Main Street Capital Corporation NYSE: MAIN mainstcapital.com Main Street Capital Corporation NYSE: MAIN mainstcapital.com Disclaimers Main Street Capital Corporation (MAIN) cautions that statements in this presentation that are forward-looking, and provide other than historical information, involve risks and uncertainties that may impact our future results of operations. The forward-looking statements in this presentation are based on cu ...

Use these links to rapidly review the document TABLE OF CONTENTS Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ý QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2020 OR o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Houston, TX (Address of principal executive offices) 77056 (Zip Code) (713) 350-6000 For the transition per ...

Main Street Capital Corp (NYSE:MAIN) Q1 2020 Earnings Conference Call May 8, 2020 10:00 AM ET Company Participants Zach Vaughan - Dennard Lascar Associates Dwayne Hyzak - CEO, Senior MD & Director David Magdol - President, CIO & Senior MD Brent Smith - CFO & Treasurer Conference Call Participants Matt Tjaden - Raymond James Kenneth Lee - RBC Capital Markets Michael Ramirez - SunTrust Operator Greetings and welcome to the Main Street Capital Corporation First Quarter Earnings Conference Call. [Operator Instr ...

Use these links to rapidly review the document TABLE OF CONTENTS Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ý QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2020 OR o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from: to Commission File Number: 001-33723 Main Street Capital Corporation (Exac ...

Main Street Capital Corp (NYSE:MAIN) Q4 2019 Earnings Conference Call February 28, 2020 10:00 AM ET Company Participants Zach Vaughan - Dennard Lascar Associates Dwayne Hyzak - CEO, Senior MD & Director David Magdol - President, CIO & Senior MD Brent Smith - CFO & Treasurer Conference Call Participants Robert Dodd - Raymond James & Associates Bryce Rowe - National Securities Corporation Kenneth Lee - RBC Capital Markets Operator Greetings. Welcome to the Main Street Capital Corporation Fourth Quarter Earnin ...