Power of Attorney for Ryan Lumsden at Assurant, Inc.

Ryan Lumsden, EVP and President of Global Housing at Assurant, Inc., has executed a Power of Attorney (POA) document. The POA appoints Lisa Shahon, Kay Foster, Amber Lam, and Mariana Wisk as attorneys-in-fact, granting them authority to act on Lumsden's behalf in matters related to SEC filings. The attorneys-in-fact are authorized to prepare, execute, and file forms such as Forms 3, 4, and 5 under Section 16 of the Securities Exchange Act of 1934. They are also empowered to manage Lumsden's EDGAR account, including appointing and removing account administrators and users, and maintaining account security. The POA remains in effect until Lumsden is no longer required to file Forms 4 or 5, unless revoked earlier. The document was notarized on September 4, 2025.