X0508 4 2023-08-04 0 0001267238 ASSURANT, INC. AIZ 0001762771 Lonergan Robert C/O ASSURANT, INC. 260 INTERSTATE NORTH CIRCLE SE ATLANTA GA 30339 0 1 0 1 EVP Chief Strategy Officer 0 Common Stock 2023-08-04 4 S 0 3000 144.4342 D 17981.093 D The price range in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $144.3000 through $144.7050, inclusive. The reporting person undertakes to provide Assurant, Inc., any security holder of Assurant, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price with the ranges set forth in this footnote to Form 4. Includes 66.2940 shares acquired under the Assurant, Inc. Amended and Restated 2004 Employee Stock Purchase Plan ("ESPP") on June 30, 2023. Includes restricted stock units. Lisa Richter, Attorney-in-Fact 2023-08-08