Exhibit 99.1 MidCap Financial Investment Corporation Reports Financial Results for the Quarter and Fiscal Year Ended December 31, 2023 Results for the Quarter and Fiscal Year Ended December 31, 2023 and Other Recent Highlights: • Net investment income per share for the quarter was $0.46, compared to$0.43 for the quarter ended September 30, 2023 • Net asset value per share as of the end of the quarter was $15.41, compared to$15.28 as of September 30, 2023, an increase of 0.9% due to net investment income i ...