NW Natural Holdings General Counsel Announces Retirement

MardiLyn Saathoff, General Counsel for NW Natural Holding Company (NYSE: NWN) (NW Natural Holdings), announced her intent to retire on April 1, 2026, after nearly 18 years of outstanding 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, effective January 1, 2026.

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MardiLyn Saathoff, NW Natural Holdings

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.

“MardiLyn has been a steadfast and trusted leader of the NW Natural companies for nearly two decades,” said Justin B. Palfreyman, President and Chief Executive Officer of NW Natural Holdings. “She has had a tremendous impact on our organization and played a critical role guiding the business through its evolution from a natural gas utility in the Pacific Northwest to what is now a diversified company with four distinct businesses operating across seven states.”

Saathoff joined the company in 2008 and served as Chief Governance Officer and Corporate Secretary. During her tenure, she was appointed to roles that also oversaw other legal, risk, compliance, and regulatory matters. She has served as General Counsel since 2015.

Prior to her role at NW Natural, Saathoff’s career included leadership roles with several other leading institutions in the region, including legal roles at Tektronix, Danaher Corporation and Stoel Rives. Saathoff also spent four years with the Oregon Department of Justice and the administration of Oregon Governor Kulongoski.

Saathoff previously served as Chair of the Oregon Lottery Commission and is a past Director of the Boards of the Northwest Gas Association, Oregon Health & Science University, the Portland Center Stage, United Way of Columbia-Willamette, Oregon Nanoscience and Microtechnologies Institute, the Artists Repertory Theater, and the Classroom Law Project. She is also a past member of the Portland State University Business Advisory Council and previously served on the Oregon Public Officials Compensation Commission.