Effective July 28, 2023, Frank H. Burkhartsmeyer, Executive Vice President, Strategy and Business Development of Northwest Natural Holding Company (NW Holdings) and its wholly owned subsidiary, Northwest Natural Gas Company (NW Natural), voluntarily resigned his officer positions with NW Holdings and NW Natural. Mr. Burkhartsmeyer indicated that he has accepted a position with another company. Mr. Burkhartsmeyer will remain an employee of NW Natural through August 18, 2023 to provide for an orderly transition of his responsibilities to other employees.