Material Agreement (Form 8-K)

On October 30, 2025, Lafayette Square USA, Inc. (the "Company") entered into that certain Lender Joinder Agreement (the "Joinder Agreement"), pursuant to which, through the accordion feature in the Senior Secured Revolving Credit Facility, dated as of June 18, 2024, by and among the Company, as Borrower, ING Capital LLC, as Administrative Agent, Lead Arranger, Bookrunner and Sustainability Structuring Agent, the other Lenders and parties from time to time party thereto and the Subsidiary Guarantors party thereto (as amended, amended and restated, modified and otherwise supplemented, the "ING Credit Facility"), the aggregate commitments under the ING Credit Facility increased from $275 million to $300 million. The other material terms of the ING Credit Facility remain unchanged.

The description above is only a summary of material provisions of the Joinder Agreement and is qualified in its entirety by reference to a copy of the Joinder Agreement, which is filed as Exhibit 10.1 to this Current Report on Form 8-K and incorporated by reference herein.