Main Street Capital (MAIN) schedules Aug 12 fixed-income calls

Main Street Capital Corporation (MAIN) has scheduled virtual fixed-income investor calls for Tuesday, August 12, 2025, organized by J.P.

Accepted by SEC EDGAR 08/12/2025 - 05:22 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

Main Street Capital Corporation (MAIN) has scheduled virtual fixed-income investor calls for Tuesday, August 12, 2025, organized by J.P. Morgan, RBC Capital Markets, SMBC Nikko and Truist Securities, with J.P. Morgan coordinating logistics. Company representatives Dwayne Hyzak (CEO) and Ryan Nelson (CFO & Treasurer) will participate. The announcement states a capital markets transaction may follow, subject to market conditions, and that Main Street's shelf registration is on file and effective. Credit ratings are cited as BBB- (Stable) from both S&P and Fitch. A preliminary prospectus supplement and accompanying prospectus will be filed if an offering is made.

Insights

Fixed Income Analyst

TL;DR: Roadshow signals potential debt issuance but lacks offering specifics, so near-term market impact is uncertain.

The company has engaged major fixed-income banks to host investor calls and made its effective shelf registration publicly known, which are common preparatory steps for issuing securities. The dual BBB- (Stable) ratings from S&P and Fitch are the only credit metrics disclosed. Material details such as offering size, maturity profile, covenants, or pricing guidance are not provided, preventing a clear assessment of refinancing or liquidity effects.

Capital Markets Specialist

TL;DR: Engagement of syndicate banks and a virtual roadshow enable a swift offering if market conditions permit, but specifics are missing.

J.P. Morgan, RBC, SMBC Nikko and Truist are listed as arrangers and a virtual presentation will be available, indicating the company is organizing investor outreach. The filing notes that any offering would be conducted by a preliminary prospectus supplement and prospectus, and that the shelf registration is effective. Because the announcement explicitly states a transaction may follow and no prospectus has yet been filed publicly, the notice is preparatory rather than material disclosure of deal terms.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Filed pursuant to Rule 497(a)

Registration No. 333-285405

Rule 482ad

**Fixed Income Investor Calls for Main Street Capital Corporation**

Main Street Capital Corporation (“MAIN”, “Main Street”, or the “Company”) (current ratings profile of BBB- (Stable) by S&P, and BBB- (Stable) by Fitch Ratings)* has asked J.P. Morgan, RBC Capital Markets, SMBC Nikko, and Truist Securities to arrange a series of fixed income investor calls to be conducted on Tuesday, August 12th. J.P. Morgan will coordinate logistics. A capital markets transaction may follow, subject to market conditions. A virtual presentation will be made available for the calls.

Company Representatives

Dwayne Hyzak – Chief Executive Officer

Ryan Nelson – Chief Financial Officer & Treasurer

Tuesday, August 12th, 2025:

•3:30 - 4:20PM ET / 2:30 - 3:20PM CT

•4:30 - 5:20PM ET / 3:30 - 4:20PM CT

Virtual Roadshow Investor Login Details

URL: https://dealroadshow.com; Entry Code: MAIN25IMC

Direct Link: https://dealroadshow.com/e/MAIN25IMC

ABOUT MAIN STREET CAPITAL CORPORATION.

Main Street 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.

Investors are advised to carefully consider the investment objectives, risks, charges and expenses of Main Street Capital Corporation before investing. When available, a preliminary prospectus supplement, together with an accompanying prospectus, will be filed with the Securities and Exchange Commission, which will contain this and other information about Main Street Capital Corporation and should be read carefully before investing.

The information in any preliminary prospectus supplement and accompanying prospectus, when available, and in this announcement is not complete and may be changed. This announcement is not an offer to sell any securities of Main Street Capital Corporation and is not soliciting an offer to buy such securities in any state or jurisdiction where such offer and sale is not permitted.

Main Street Capital Corporation’s shelf registration statement is on file with the Securities and Exchange Commission and has become effective. Any offering of Main Street Capital Corporation’s securities may be made only by means of a preliminary prospectus supplement and an accompanying prospectus. In the event that Main Street Capital Corporation conducts an offering, copies of the preliminary prospectus supplement, together with the accompanying prospectus relating to such offering, may be obtained from J.P. Morgan Securities LLC, 383 Madison Avenue, New York, New York 10179, Attn: Investment Grade Syndicate Desk,

facsimile: 212-834-6081; RBC Capital Markets LLC, Attention: Investment Grade Syndicate Desk, Brookfield Place, 200 Vesey St., 8th Floor, New York, NY 10281, telephone: 866-375-6829, or e-mail: rbcnyfixedincomeprospectus@rbccm.com; SMBC Nikko Securities America, Inc., 277 Park Avenue, New York, New York 10172, Attn: Debt Capital Markets, email:prospectus@smbcnikko-si.com; or Truist Securities, Inc., 740 Battery Avenue SE, 3rd Fl, Atlanta, Georgia, 30339, Attn: Prospectus Dept, telephone: 800-685-4786, or email: TruistSecurities.prospectus@Truist.com.

* Note: A securities rating is not a recommendation to buy, sell or hold securities and may be subject to revision or withdrawal at any time.

ANY DISCLAIMER OR OTHER NOTICE THAT MAY APPEAR BELOW IS NOT APPLICABLE TO THIS COMMUNICATION AND SHOULD BE DISREGARDED. SUCH DISCLAIMER OR NOTICE WAS

AUTOMATICALLY GENERATED AS A RESULT OF THIS COMMUNICATION BEING SENT VIA BLOOMBERG OR ANOTHER EMAIL SYSTEM.