Exhibit 99.1 press release May 1, 2024 Radian Announces First Quarter 2024 Financial Results — First quarter net income of $152 million, or$0.98 per diluted share — — Return on equity of 13.8% and adjusted net operating return on equity of 14.5% — — Default rate declines to 2.1% with highest quarterly cure rate in more than 20 years — — Primary mortgage insurance in force growth of 4% year-over-year to an all-time high of $271 billion — — Total revenue growth of 3$319 million — — Book v ...