On December 19, 2025, Michael J. Grubb, Senior Vice President and Chief Accounting Officer, notified Toll Brothers, Inc. (the ?Company?) of his intention to retire as the Company?s principal accounting officer on February 2, 2026. Mr. Grubb, 61, has worked for the Company for the past 22 years and was appointed to the Chief Accounting Officer role in January 2018. The company intended to appoint Ms. Erica J. Mainardi, 44, to the role of Senior Vice President and Chief Accounting Officer (principal accounting officer) effective February 2, 2026.

Ms. Mainardi joined the Company as Director, FP&A in June 2020 and was promoted to Vice President in September 2021, assuming Corporate Accounting oversight. Prior to joining the Company, Ms. Mainardi served as Global Business Controller & Accounting Policy Leader at DuPont de Nemours, Inc., Senior Director, Technical Accounting & Financial Reporting at BrightView Holdings, Inc. and was an Audit Senior Manager at Ernst & Young LLP. Ms. Mainardi is a Certified Public Accountant and holds a B.S. in Accounting from Saint Joseph?s University.