Main Street Announces New Portfolio Investment

Rhea-AI Summary

Main Street Capital (NYSE: MAIN) has completed a new portfolio investment of $39.3 million to support a minority recapitalization of Midstream Valve Partners, a distributor of valves, actuators and flow-control accessories for energy infrastructure and refining industries.

The investment, made in partnership with MVP's founder, consists of first lien, senior secured term debt and a direct minority equity stake. MVP, founded in 2019 and headquartered in Tomball, Texas, serves midstream pipeline operators, EPC firms, fabricators and distributors across the continental U.S.

Positive

• $39.3 million deployed into new portfolio investment
• Structured as first lien senior secured debt plus minority equity
• Exposure to established midstream and refining customer base in U.S.

Negative

• None.

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Invests $39.3 Million in Recapitalization of Midstream Valve Partners, LLC

HOUSTON, Aug. 18, 2026 /PRNewswire/ -- Main Street Capital Corporation (NYSE: MAIN) ("Main Street") is pleased to announce that it recently completed a new portfolio investment totaling $39.3 million to facilitate the minority recapitalization of Midstream Valve Partners, LLC ("MVP" or the "Company"), a leading value-added distributor of valves, actuators and related flow-control accessories for the energy infrastructure and refining industries. Main Street partnered with MVP's founder to facilitate the transaction, with Main Street's investment in the Company including a combination of first lien, senior secured term debt and a direct minority equity investment.

Founded in 2019 and headquartered in Tomball, Texas, MVP is a leading value-added distributor of valve, actuator and related flow-control accessory solutions to midstream pipeline operators, engineering, procurement & construction firms, fabricators and other distributors that serve the energy infrastructure, pipeline and refining industries primarily in the continental United States.

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

 

View original content:https://www.prnewswire.com/news-releases/main-street-announces-new-portfolio-investment-302853497.html

SOURCE Main Street Capital Corporation

FAQ

What did Main Street Capital (NYSE: MAIN) announce on August 18, 2026?

Main Street Capital announced a new $39.3 million portfolio investment in Midstream Valve Partners. According to Main Street Capital, the funding supports a minority recapitalization and is structured as first lien senior secured term debt plus a direct minority equity investment.

How large is Main Street Capital's investment in Midstream Valve Partners (MAIN)?

Main Street Capital invested $39.3 million in Midstream Valve Partners. According to Main Street Capital, this capital supports a minority recapitalization and is provided through a mix of first lien senior secured term debt and a direct minority equity stake in the company.

How is Main Street Capital's $39.3 million investment in Midstream Valve Partners structured?

The investment is structured as first lien senior secured term debt plus a direct minority equity position. According to Main Street Capital, this combination finances the minority recapitalization of Midstream Valve Partners while providing both income-producing debt and potential equity upside exposure in the portfolio.

Who is Midstream Valve Partners, Main Street Capital's new portfolio company?

Midstream Valve Partners is a value-added distributor of valves, actuators and flow-control accessories. According to Main Street Capital, MVP was founded in 2019, is based in Tomball, Texas, and serves midstream pipeline operators, EPC firms, fabricators and distributors across the continental United States.

What industries does Midstream Valve Partners serve after Main Street Capital's investment (MAIN)?

Midstream Valve Partners serves the energy infrastructure, pipeline and refining industries. According to Main Street Capital, MVP provides valve, actuator and related flow-control accessory solutions to midstream pipeline operators, EPC firms, fabricators and other distributors primarily across the continental United States.

What does the Midstream Valve Partners minority recapitalization mean for Main Street Capital shareholders?

The recapitalization gives Main Street Capital exposure through secured debt and minority equity in Midstream Valve Partners. According to Main Street Capital, the $39.3 million investment adds an income-oriented loan and an equity position in a distributor focused on energy infrastructure and refining customers.