Main Street Capital Announces Participation at SMH Capital Markets Investor Growth Conference

HOUSTON, Oct. 31 /PRNewswire-FirstCall/ -- Main Street Capital Corporation (Nasdaq: MAIN) ("Main Street") announced today that Vincent D. Foster, Chairman and Chief Executive Officer, and Todd A. Reppert, President and Chief Financial Officer, will participate in the SMH Capital Markets Investor Growth Conference at the New York Palace Hotel on November 8-9, 2007. The conference website is located at http://www.smhcapital.com/events/IGC2007.html. Vincent Foster and Todd Reppert are scheduled to present on Thursday, November 8, 2007 at 10:00 a.m. Eastern Time.

A copy of Main Street's SMH Capital Markets Investor Growth Conference presentation will be available on the investor relations section of the company's website at http://www.mainstreethouston.com on the morning of November 8, 2007.

ABOUT MAIN STREET CAPITAL CORPORATION

Main Street (http://www.mainstreethouston.com) is a principal investment firm that provides long-term debt and equity capital to lower middle market companies. Main Street's investments are generally made to support management buyouts, recapitalizations, growth financings and acquisitions of companies that operate in diverse industry sectors and generally have annual revenues ranging from $10 to $100 million. Main Street seeks to partner with entrepreneurs, business owners and management teams and generally provides "one-stop" financing alternatives to its portfolio companies.

FORWARD-LOOKING STATEMENTS

This press release may contain certain forward-looking statements. Any such statements, other than statements of historical fact, are likely to be affected by other unknowable future events and conditions, including elements of the future that are or are not under Main Street's control, and that Main Street may or may not have considered; accordingly, such statements cannot be guarantees or assurances of any aspect of future performance. Actual developments and results are highly likely to vary materially from these estimates and projections of the future. Such statements speak only as of the time when made, and Main Street undertakes no obligation to update any such statement now or in the future.

    Contacts:
    Main Street Capital Corporation
    Todd A. Reppert, President and CFO
    treppert@mainstreethouston.com
    713-350-6000

    Dennard Rupp Gray and Easterly, LLC
    Ken Dennard
    ksdennard@drg-e.com / 713-529-6600
    Augustine Okwu
    gokwu@drg-e.com / 404-532-0086

SOURCE Main Street Capital Corporation

Released October 31, 2007