UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

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FORM 8-K

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CURRENT REPORT

Pursuant to Section 13 OR 15(d) of

the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported) January 13, 2023

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Main Street Capital Corporation

(Exact name of registrant as specified in its charter)

Registrant's telephone number, including area code:   713-350-6000

Not Applicable

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(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

Securities registered pursuant to Section 12(b) of the Act:

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company o

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. o

Item 1.01.    Entry into a Material Definitive Agreement.

On January 13, 2023, Main Street Capital Corporation (“Main Street”) entered into a joinder agreement and supplement (the “Supplement”) to the Third Amended and Restated Credit Agreement, dated June 5, 2018, (as amended, restated, supplemented or otherwise modified from time to time, the “Credit Agreement”), Main Street, as borrower, Main Street Capital Partners, LLC, Main Street Equity Interests, Inc., Main Street CA Lending, LLC and MS International Holdings, Inc., as guarantors, Truist Bank (“Truist”), Sumitomo Mitsui Banking Corporation, Frost Bank, Cadence Bank, Royal Bank of Canada, Texas Capital Bank, Zions Bancorporation, N.A. dba Amegy Bank, Hancock Whitney Bank, Veritex Community Bank, First Citizens Bank & Trust Company, Comerica Bank, City National Bank, Raymond James Bank and Woodforest National Bank, collectively as lenders, and Truist, as administrative agent, to add Regions Bank as a lender and increase the total commitments under the Credit Agreement from $920.0 million to $980.0 million.

Affiliates of Truist, Royal Bank of Canada, Sumitomo Mitsui Banking Corporation, Raymond James Bank, Comerica Bank, Zions Bancorporation, N.A. dba Amegy Bank, Hancock Whitney Bank and other lenders under the Credit Facility, may from time to time receive customary fees and expenses in the performance of investment banking, financial advisory or other services for Main Street.

Item 2.03.     Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant.

The disclosure set forth above under Item 1.01 is incorporated by reference herein.

Item 8.01.    Other Events.

On January 18, 2023, the Registrant issued a press release. A copy of such press release is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

Item 9.01.     Financial Statements and Exhibits.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Document

Exhibit 99.1

Main Street Announces

Increase in Commitments Under its Credit Facility

Total Commitments Increased to $980 Million

HOUSTON – January 18, 2023 – Main Street Capital Corporation (NYSE: MAIN) (“Main Street”) is pleased to announce the expansion of total commitments under its revolving credit facility (the “Credit Facility”) from $920.0 million to $980.0 million. The $60.0 million net increase in total commitments was the result of the addition of a new lender relationship. The recent increase in total commitments was executed under the accordion feature of the Credit Facility, which allows for an increase up to $1.38 billion in total commitments under the facility from new and existing lenders on the same terms and conditions as the existing commitments. The recent increase in total commitments under the Credit Facility provides Main Street with access to additional financing capacity in support of its future investment and operational activities.

Dwayne L. Hyzak, Main Street’s Chief Executive Officer, commented, “We are very pleased that we were able to further diversify our lender group and expand the commitments under our corporate credit facility. Taken together with the recently completed debt private placement and the new SPV credit facility that we executed in the fourth quarter of 2022, these positive developments provide us with access to $415 million of additional debt capital and the ability to repay borrowings that matured in December and to fund the continued growth of our investment portfolio. The confidence shown by these new lending relationships and the continued support from our long-term relationships within our lending group is greatly appreciated.”

ABOUT MAIN STREET CAPITAL CORPORATION

Main Street (www.mainstcapital.com) is a principal investment firm that primarily provides long-term debt and equity capital to lower middle market companies and debt capital to middle market companies. 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 “one stop” financing alternatives within its lower middle market investment strategy. Main Street’s lower middle market companies generally have annual revenues between $10 million and $150 million. Main Street’s middle market debt investments are made in businesses that are generally larger in size than its lower middle market portfolio companies.

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.

FORWARD-LOOKING STATEMENTS

This press release may contain certain forward-looking statements, including but not limited to the availability of future financing capacity under the credit facilities, which are based upon Main Street management’s current expectations and are inherently uncertain. Any such statements other than statements of historical fact are likely to be affected by other unknowable future events and conditions, including elements of the future that are or are not under Main Street’s control, and that Main Street may or may not have considered; accordingly, such statements cannot be guarantees or assurances of any aspect of future performance. Actual performance and results could vary materially from these estimates and projections of the future as a result of a number of factors, including those described from time to time in Main Street’s filings with the Securities and Exchange Commission. Such statements speak only as of the time when made and are based on information available to Main Street as of the date hereof and are qualified in their entirety by this cautionary statement. Main Street assumes no obligation to revise or update any such statement now or in the future.

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