PRDO ANNOUNCES 4Q23 RESULTS …PG 1 Exhibit 99.1 PERDOCEO EDUCATION CORPORATION REPORTS FOURTH QUARTER AND FULL YEAR 2023 RESULTS Schaumburg, Ill. (February 21, 2024) – Perdoceo Education Corporation (NASDAQ: PRDO) today reported operating and financial results for the quarter and year ended December 31, 2023. Full Year 2023 Results as Compared to Prior Year • Revenue increased 2.1% to $710.0 million, supported by an 11.8% increase at CTU. • Operating income increased 16.1% to $150.4 million, while adjusted o ...