Fixed-Income Investor Presentation

3 LEADERSHIP PRESENTING • FRANK BURKHARTSMEYER EVP Strategy & Business Development and Chief Financial Officer Mr. Burkhartsmeyer is currently NW Natural Holdings' and NW Natural's Executive Vice President Strategy & Business Development and remains CFO effective May 2023. Burkhartsmeyer has been with the company and CFO since May 2017. Previously, Mr. Burkhartsmeyer served as President and CEO of Avangrid Renewables and Senior Vice President of Finance at Iberdrola Renewables Holdings US and also held various positions at PPM Energy, Scottish Power and PacificCorp. Mr. Burkhartsmeyer has an MBA from the University of Oregon and a Bachelor of Arts in Liberal Arts from the University of Montana. BRODY J. WILSON ⚫ Vice President, Treasurer, Chief Accounting Officer, and Controller Mr. Wilson is currently NW Natural Holding' Vice President and Treasurer effective October 2018 and NW Natural's Vice President and Treasurer effective May 2017 in addition to his duties as Chief Accounting Officer (2016) and Controller (2013). Prior to joining the Company in 2012, he was a Senior Manager in the Energy & Utility Group at PricewaterhouseCoopers LLP. Mr. Wilson holds a Bachelor of Science in Accounting from George Fox University and is a CPA in Oregon.

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