On December 10, 2021, the Board of Quanex Building Products Corporation appointed director Jason D. Lippert to its Compensation and Management Development Committee and its Nominating and Corporate Governance Committee. Following these appointments and effective as of December 10, 2021, the committees of the Board are comprised as follows: Audit Committee: Curtis Stevens (Chair), Meredith Mendes, and Bill Waltz. Compensation and Management Development Committee: Susan Davis (Chair), Jason Lippert, Don Maier, and Joseph Rupp. Nominating and Corporate Governance Committee: Joseph Rupp (Chair), Susan Davis, Jason Lippert, Don Maier, Meredith Mendes, Curtis Stevens, and Bill Waltz.