Exhibit 99.1 Morgan Stanley Direct Lending Fund Announces March 31, 2024 Financial Results and Declares Second Quarter 2024 Dividend of $0.50 per Share NEW YORK, NY, May 9, 2024 — Morgan Stanley Direct Lending Fund (NYSE: MSDL) (“MSDL” or the “Company”), a business development company externally managed by MS Capital Partners Adviser Inc. (the “Adviser”), today announced its financial results for the first quarter ended March 31, 2024. “MSDL generated strong first quarter operating results, supported by con ...