Feb. 6, 2014 : HOUSTON

Main Street Announces Fourth Quarter And Full Year 2013 Earnings Release And Conference Call Schedule

Call Scheduled for 10:00 a.m. Eastern Time on Friday, February 28, 2014

HOUSTON, Feb. 6, 2014 /PRNewswire/ -- Main Street Capital Corporation ("Main Street") announced today that it will release its fourth quarter and full year 2013 results on Thursday, February 27, 2014, after the market closes. In conjunction with the release, Main Street has scheduled a conference call, which will be broadcasted live via phone and over the Internet, on Friday, February 28, 2014, at 10:00 a.m. Eastern time. Investors may participate either by phone or audio webcast.

By Phone: Dial 480-629-9645 at least 10 minutes before the call. A replay will be available through March 7, 2014 by dialing 303-590-3030 and using the access code 4668389#. By Webcast: Connect to the webcast via the Investor Relations section of Main Street's website at www.mainstcapital.com. Please log in at least 10 minutes in advance to register and download any necessary software. A replay of the conference call will be available on Main Street's website shortly after the call and will be accessible for approximately 90 days.

ABOUT MAIN STREET CAPITAL CORPORATION

Main Street (www.mainstcapital.com) is a principal investment firm that provides long-term debt and equity capital to lower middle market companies and debt capital to middle market companies. Main Street's portfolio investments are typically made to support management buyouts, recapitalizations, growth financings, refinancings and acquisitions of companies that operate in diverse industry sectors. Main Street seeks to partner with entrepreneurs, business owners and management teams and generally provides "one stop" financing alternatives within its lower middle market portfolio. Main Street's lower middle market companies generally have annual revenues between $10 million and $150 million. Main Street's middle market debt investments are made in businesses that are generally larger in size than its lower middle market portfolio companies.

Main Street's common stock trades on the New York Stock Exchange ("NYSE") under the symbol "MAIN." In addition, Main Street has outstanding 6.125% Notes due 2023, which trade on the NYSE under the symbol "MSCA."

Contacts:
Main Street Capital Corporation
Dwayne L. Hyzak, CFO and Senior Managing Director
dhyzak@mainstcapital.com
713-350-6000

Dennard - Lascar Associates, LLC
Ken Dennard / ken@dennardlascar.com
Ben Burnham / bburnham@dennardlascar.com
713-529-6600

Main Street Capital Corporation

Web site: http://www.mainstcapital.com/