Material Agreement - Form 8-K

On May 16, 2024, GBDC 4 Funding II LLC ("GBDC 4 Funding"), a direct wholly-owned subsidiary of Golub Capital BDC 4, Inc. (the "Company"), exercised its option pursuant to the documents governing the revolving credit facility (the "DB Credit Facility") initially entered into on March 28, 2024, by and among the Company, GBDC 4 Funding, the lenders from time to time party thereto, Deutsche Bank AG, New York Branch, as facility agent, the other agents party thereto, each of the entities from time to time party thereto as securitization subsidiaries and Deutsche Bank National Trust Company, as collateral agent and as collateral custodian to increase the borrowing capacity under the DB Credit Facility from $250.0 million to $300.0 million. The other material terms of the DB Credit Facility were unchanged.