Exhibit 99.1 Assurant Reports Strong Fourth Quarter and Full Year 2025 Financial Results Delivered Third Consecutive Year of Double-Digit Earnings and EPS Growth; 2026 to Deliver Underlying Growth Led by High-Single-Digit Expansion in Global Lifestyle Fourth Quarter 2025 Consolidated Results -2- • GAAP net income increased 12 percent to $225.2 million compared to fourth quarter 2024 of$201.3 million, driven by lower reportable catastrophes and higher segment earnings, primarily in Global Housing. Results w ...