Independent Director Age: 72 Director Since: 2024 Committees Relevant Skills Professional Experience Avista Corporation (NYSE: AVA) (regulated electric and natural gas utility company) Senior Vice President, General Counsel, Corporate Secretary and Chief Compliance Officer, August 2005 through August 2020 Other Board Service Director, Energy Insurance Mutual (mutual insurance company serving utility companies), May 2012 through May 2022 Reasons for Nomination Ms. Durkin contributes to our Board over 15 years experience in the regulated electric and natural gas utility industry at a public company within a state we serve in our service territory. She possesses particularly extensive knowledge of legal, governance, mergers and acquisitions, compliance, and risk management, gained through her role as General Counsel of Avista Corporation. This experience provides her with relevant expertise as a member of the Governance Committee. She also brings substantial expertise in human resources management, executive compensation, and employee benefits as a former public company executive, providing her with relevant expertise as Chair of the Compensation Committee.