Main Street Capital Announces New Portfolio Investment

HOUSTON, May 14 /PRNewswire-FirstCall/ -- Main Street Capital Corporation (Nasdaq: MAIN) ("Main Street") announced today that it has completed a new portfolio investment in Audio Messaging Solutions, LLC ("AMS" or the "Company") in support of the Company's growth initiatives. Main Street's new portfolio investment in AMS consists of a first lien, secured debt investment of approximately $3.4 million with equity warrant participation representing approximately 5% of the fully diluted equity interests in the Company. AMS provides outsourced solutions for its customers' telephone on-hold messaging requirements through a subscription-based revenue model. The Company writes, records, and delivers on-hold messaging and music to over 7,000 customers at more than 25,000 locations.

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. Main Street's investments are 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 million 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.

    Contacts:
    Main Street Capital Corporation
    Todd A. Reppert, President and CFO
    treppert@mainstcapital.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 May 14, 2009