December 19, 2025

NW Natural Holding Co.

Saathoff

MardiLyn Saathoff, general counsel for NW Natural Holding Co., announced her intent to retire on April 1, after nearly 18 years of service to the company. The board of directors has appointed Megan H. Berge to succeed Saathoff as SVP and general counsel, as well as chief compliance officer and corporate secretary. Saathoff will serve as chief legal officer for the company and will retain responsibilities for regulation, business continuity and corporate security until her retirement next year. Saathoff joined the company in 2008 and served as chief governance officer and corporate secretary. During her tenure, she oversaw other legal, risk, compliance and regulatory matters. She has served as general counsel since 2015. Saathoff's career included legal roles at Tektronix, Danaher Corp. and Stoel Rives. Saathoff also spent four years with the Oregon Department of Justice and the administration of Oregon Gov. Ted Kulongoski. Berge joined NW Natural Holdings in March 2025 as deputy general counsel and corporate secretary, as well as general counsel of NW Natural, after a career with the international law firm Baker Botts, where she was a partner. Her practice included extensive rulemaking and advocacy work related to federal and state environmental law and civil litigation. NW Natural Holding Co. is headquartered in Portland, and has been doing business for over 166 years. It owns Northwest Natural Gas Co., SiEnergy Operating, NW Natural Water Co., and NW Natural Renewables Holdings.