Exhibit 99.1 press release November 4, 2026 Radian Announces Third Quarter 2026 Financial Results — Third quarter revenue grew 106% year over year; Specialty represented 57% of net premiums earned — — Specialty delivered strong underwriting performance, benefiting from a benign catastrophe quarter — — Primary mortgage insurance in force continued to grow, reaching a record $286 billion — — Third quarter diluted net income from continuing operations per share of $1.28, with adjusted diluted net operating inc ...