Main Street Capital Announces Third Quarter 2007 Earnings Release and Conference Call Schedule

HOUSTON, Nov. 1 /PRNewswire-FirstCall/ -- Main Street Capital Corporation (Nasdaq: MAIN) ("Main Street") today announced plans to release third quarter 2007 financial results on Monday, November 12, 2007 after the financial markets close. In conjunction with the earnings release, Main Street has scheduled a conference call, which will also be broadcast via webcast on a live, listen-only basis, for Tuesday, November 13, 2007 at 10:00 a.m. Eastern Time.

    What:  Main Street Capital Third Quarter 2007 Earnings Conference Call
    When:  Tuesday, November 13, 2007 -- 10:00 a.m. Eastern Time
    How:   Live via phone -- By dialing 303-262-2140 or 800-218-4007 and
           asking for the Main Street Capital call at least 10 minutes prior
           to the start time -- or listen-only via webcast by logging into the
           investor relations section of the company's web address below.
    Where: http://www.mainstreethouston.com

A telephonic replay of the conference call will be available through November 20, 2007 and may be accessed by dialing 303-590-3000 and using the passcode 11100148#. An audio archive will also be available on the investor relations section of the company's website at http://www.mainstreethouston.com shortly after the call and will be accessible for approximately 90 days. For more information, please contact Gus Okwu at DRG&E at 404-532-0086 or email gokwu@drg-e.com.

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