Mr. Michael J. Ancius has served as the vice president and chief financial officer of A.L.M. Holding Company since January 2018 and he began working for the company in June 2017. A.L.M. is a privately-held construction and energy company headquartered in Onalaska, Wisconsin. From 1997 to June 2017, Mr. Ancius was the director of strategic planning, financing, and taxation of Kwik Trip, Inc., a privately-held multi-location convenience store chain. Prior to 1997, Mr. Ancius was a senior manager with the certified public accounting firm of RSM US LLP for ten years, where he specialized in taxation. His background in strategic planning, board operations, capital markets, capital structures and valuations, insurance risk management, development of compensation strategies, taxation, and financial and accounting matters contributes a unique set of skills to the board. Additionally, his experience with taxation and financial accounting matters, as well as completing a CERT Certificate in Cybersecurity Oversight from the National Association of Corporate Directors and the COSO Enterprise Risk Management Certificate Program from the American Institute of Certified Public Accountants, brings beneficial insight to chair Fastenal's audit committee. Mr. Ancius attended 100% of the general meetings of the board in 2025, as well as 100% of both the audit and compensation committee meetings in 2025.