PRDO ANNOUNCES 1Q24 RESULTS …PG 1 Exhibit 99.1 PERDOCEO EDUCATION CORPORATION ANNOUNCES FIRST QUARTER 2024 RESULTS Schaumburg, Ill. (May 1, 2024) – Perdoceo Education Corporation (NASDAQ: PRDO) today reported operating and financial results for the quarter ended March 31, 2024. First Quarter 2024 Results as Compared to Prior Year Quarter • Operating income increased 6.8% to $46.3 million, while adjusted operating income decreased 6.8% to $49.5 million.* • Earnings per diluted share was $0.59 as compared to ...