On May 10, 2022, Perry L. Elders resigned from the board of directors of Powell Industries, Inc. and all committees thereof, effective from May 10, 2022. At the time of his resignation, Mr. Elders served as the chair of the Audit Committee of the Board. The Company believes that Mr. Elders resigned due to a lack of alignment with the Company regarding the allocation of capital, Board succession planning and Board deliberation and assessment of future opportunities, risks and impact of proposed regulatory changes.