West Bay BDC LLC

Item 1.01 - Entry into a Material Definitive Agreement. On August 28, 2026, West Bay BDC LLC (the “Company”) entered into a second amendment (the “Second Amendment”) to its revolving credit facility, dated as of September 25, 2024 (as amended, supplemented or otherwise modified and in effect from time to time, including by the Second Amendment, the “SCB Revolving Credit Facility”) by and among the Company, as borrower, and Standard Chartered Bank Ltd., as administrative agent, lead arranger, sole bookrunner, letter of credit issuer and lender. The Second Amendment, among other things, (i) increases the Maximum Commitment amount to $460,000,000 and (ii) increases the Applicable Advance Rate to 80%. Capitalized terms used but not otherwise defined herein have the meanings ascribed thereto in the SCB Revolving Credit Facility. The foregoing description is only a summary of the material provisions of the Second Amendment and is qualified in its entirety by reference to a copy of the Second Amendment, which is filed as Exhibit 10.1 to this Current Report on Form 8-K and incorporated by reference herein.

Item 2.03 - Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant. The information set forth under Item 1.01 above is incorporated by reference into this Item 2.03.