Independent Director Executive Committee Member Compensation & Human Capital Management Committee Chair Nominating and Corporate Governance Committee Member Age: 74 Independent Director Since: 2011 Principal Occupation: Former Chief Executive Officer, Portland General Electric Company (PGE) (2000-2009) EXPERTISE LEADERSHIP ENERGY, UTILITIES RENEWABLES ENVIRONMENTAL MANAGEMENT CORPORATE GOVERNANCE FINANCIAL OVERSIGHT REGULATORY COMPLIANCE FINANCE AND ACCOUNTING EDUCATION Bachelor of Science, Chemistry and Bachelor of Science, Math, George Fox University Public Utility Executive Program, University of Idaho and University of Michigan With experience as Chief Executive Officer of a NYSE-listed public utility company, and as director for the Portland Branch of the Federal Reserve Bank of San Francisco and Columbia Banking System, Inc. (a publicly traded bank holding company), Ms. Fowler brings a breath of financial oversight, regulatory compliance and corporate governance knowledge. Ms. Fowler has received numerous recognitions of her business leadership, including Oregon s Most Admired CEO (2005, Portland Business Journal), Portland s First Citizen (2007, Portland Metropolitan Association of Realtors), Oregon History Makers (2015), and Joan Austin Lifetime Achievement Award (2016). Ms. Fowler has deep environmental and renewable energy expertise. She managed PGE s environmental department, overseeing initiatives that improved fish passage on multiple Oregon rivers. During Ms. Fowler s tenure as Chief Executive Officer, PGE made the strategic decision to reduce use of oil and coal and has been ranked #1 on multiple occasions for selling more renewable power to residential customers than any other U.S. utility. Under Ms. Fowler s leadership, wind and solar projects were constructed and integrated into the PGE grid. Under her leadership as HEI s Nominating and Corporate Governance Chair, the company undertook significant leadership and governance updates, including a significant board refreshment effort that brought additional expertise and reduced director tenure; a CEO transition for HEI, Hawaiian Electric and ASB; and the expansion of proxy access, implementation of majority voting and elimination of the previously staggered board structure. PROFESSIONAL EXPERIENCE 38 years of executive leadership, financial oversight and utility operations experience from serving at PGE in senior officer positions (including as President and Chief Executive Officer, Chief Operating Officer, and Board Member) and operating positions. PAST PUBLIC COMPANY BOARDS Director, Chair of Nominating & Corporate Governance Committee, Columbia Banking System, Inc. (2023-2025) Director (2009-2023) and Chairman (2012-2023), Umpqua Holdings Corp. (bank holding company) Director, Portland General Electric (2006-2012) OTHER POSITIONS Director and Chairman of the investment committee, Cambia Health Solutions (not-for-profit health insurer) (2005-2020) Director, PGE Foundation (1997-2025) Director, Portland Branch of Federal Reserve Bank of San Francisco (2007-2011) Director, Hawaiian Electric Company, Inc. (HEI Subsidiary) (2009-2016) Director, American Savings Bank (former HEI Subsidiary) (2022-2023)