HOUSTON, April 9, 2026 /PRNewswire/ -- Main Street Capital Corporation (NYSE: MAIN) ("Main Street") is pleased to announce the following recent activity in its private loan portfolio. During the first quarter of 2026, Main Street originated new or increased commitments in its private loan portfolio of $68.0 million and funded total investments across its private loan portfolio with a cost basis totaling $149.1 million.

The following represent notable new private loan commitments and investments during the first quarter of 2026:

• Increased commitment of $3.5 million in an incremental first lien senior secured term loan and $13.1 million in an incremental first lien senior secured delayed draw term loan to a provider of maintenance, repair and overhaul services for industrial equipment, including compressors, motors, turbines and pumps;
• $10.9 million in a first lien senior secured term loan, $1.6 million in a first lien senior secured revolver and $3.1 million in a first lien senior secured delayed draw term loan to a provider of predictive analytics solutions to the U.S. Department of Defense, focusing on supply chain and maintenance applications; and
• Increased commitment of $11.6 million in an incremental first lien senior secured term loan to a provider of ground services to commercial, general and cargo aviation markets.

As of March 31, 2026, Main Street's private loan portfolio included total investments at cost of approximately $2.1 billion across 85 unique companies. The private loan portfolio, as a percentage of cost, included 93.8% invested in first lien senior secured debt investments and 6.2% invested in equity investments or other securities.

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, [email protected]
Ryan R. Nelson, CFO, [email protected]
713-350-6000

Dennard Lascar Investor Relations
Ken Dennard / [email protected]
Zach Vaughan / [email protected]
713-529-6600

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SOURCE Main Street Capital Corporation