Main Street Announces New Portfolio Investment

Invests $81.0 Million in Recapitalization of a Management Services Organization

HOUSTON, Oct. 15, 2025 /PRNewswire/ -- Main Street Capital Corporation (NYSE: MAIN) ("Main Street") is pleased to announce that it recently completed a new portfolio investment totaling $81.0 million to facilitate the minority recapitalization of a leading musculoskeletal care management services organization located in the Southeastern U.S. (the "Company"). Main Street partnered with the Company's founders to facilitate the minority recapitalization. Main Street's investment in the Company includes a combination of first lien, senior secured term debt and a direct minority equity investment to facilitate the recapitalization and provide meaningful capital to support the Company's ongoing growth.

Founded over a decade ago and operating out of multiple clinical facilities across several states in the Southeastern U.S., the Company is a provider of musculoskeletal care, performing orthopedic, pain management, neurology and imaging services. The Company has dedicated clinical and non-clinical staff who are committed to providing the highest quality of care to the Company's patients.

ABOUT MAIN STREET CAPITAL CORPORATION

Main Street (www.mainstcapital.com) is a principal investment firm that primarily provides customized long-term debt and equity capital solutions to lower middle market companies and debt capital to private companies owned by or in the process of being acquired by a private equity fund. 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 customized "one-stop" debt and equity financing solutions within its lower middle market investment strategy. Main Street seeks to partner with private equity fund sponsors and primarily invests in secured debt investments in its private loan investment strategy. Main Street's lower middle market portfolio companies generally have annual revenues between $10 million and $150 million. Main Street's private loan portfolio companies generally have annual revenues between $25 million and $500 million.

Main Street, through its wholly-owned portfolio company MSC Adviser I, LLC ("MSC Adviser"), also maintains an asset management business through which it manages investments for external parties. MSC Adviser is registered as an investment adviser under the Investment Advisers Act of 1940, as amended.

Contacts:
Main Street Capital Corporation
Dwayne L. Hyzak, CEO, dhyzak@mainstcapital.com  
Ryan R. Nelson, CFO, rnelson@mainstcapital.com  
713-350-6000

Dennard Lascar Investor Relations
Ken Dennard | ken@dennardlascar.com  
Zach Vaughan | zvaughan@dennardlascar.com  
713-529-6600

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SOURCE Main Street Capital Corporation