Mr. Partain is the former President and Co-Chief Investment Officer of Duff & Phelps Investment Management Co., a position he held from 2005 until December 2020. Previously, Mr. Partain served as Executive Vice President of Duff & Phelps. Earlier, he was with Duff & Phelps Investment Research Co., where he served as the Director of Utility Research, Director of Equity Research, and Director of Fixed Income Research. Mr. Partain also previously served as President and Chief Executive Officer of DNP Select Income Fund Inc. (DNP), from 2001 to March 2021, and was Chief Investment Officer of DNP from 1998 to 2017. He also served as President and Chief Executive Officer of Duff & Phelps Utility and Corporate Bond Trust Inc. (DUC) and DTF Tax-Free Income Inc. (renamed DTF Tax-Free Income 2028 Term Fund Inc. in 2022) (DTF) from 2004 to March 2021 and President and Chief Executive Officer of Duff & Phelps Utility and Infrastructure Fund Inc. (DPG) from 2011 to March 2021. DNP, DTF and DPG (and formerly DUC until its merger with DNP in 2021) are part of a single fund complex of registered investment companies under SEC rules that share a common board of directors (the Duff & Phelps Fund Complex). Mr. Partain previously served as a director of the Duff & Phelps Fund Complex until March 2022, having served as a director of DNP and DTF since 2007 and DPG since 2011 (he also served as a director of DUC from 2007 to 2021). Prior to joining Duff & Phelps, Mr. Partain held financial and regulatory positions with Gulf States Utilities Company. Mr. Partain serves on the Board of NW Natural and has served on the Board of Directors of Otter Tail Corporation (Nasdaq: OTTR), an electricity and energy services company, since 1993 and as its Chair since 2011. Mr. Partain is a past National Association of Corporate Directors (NACD) Board Leadership Fellow. He earned a BS and MBA from Sam Houston State University. Mr. Partain is a Chartered Financial Analyst (CFA) and a member of the CFA Society of Chicago. Mr. Partain brings to the NW Holdings Board significant board oversight and executive leadership, financial, strategic and governance expertise as a result of his many years of experience at Duff & Phelps. Mr. Partain s service as Chair of the Board of Otter Tail Corporation enables him to provide important insight and advice to the Board on a wide range of matters related to the utility and energy industry, including in areas of renewable energy, decarbonization and sustainability. He additionally brings to the Board extensive knowledge of the utility industry gained from over 30 years of providing utility investment research and management services to institutional clients of Duff & Phelps and from his roles with Gulf States Utilities Company, and he is well positioned to advise management on matters of business strategy, growth and development, finance and capital markets, human capital management, and executive compensation. Mr. Partain s deep industry knowledge, as well as his financial, governance and executive experience, strengthen the Board s collective knowledge, capabilities and experience.