President and CEO, HEI Executive Committee Member Age: 60 HEI Director Since: 2022 Principal Occupation: President and Chief Executive Officer, HEI (since 2022) EXPERTISE ENERGY, UTILITIES LEADERSHIP COMMUNITY RELATIONS GOVERNMENT AND REGULATIONS CORPORATE TRANSFORMATION STRATEGIC PLANNING EDUCATION Bachelor of Science, Mechanical Engineering, Stanford University Master of Science, Mechanical Engineering, Stanford University Mr. Seu provides significant chief executive leadership experience including dealing with difficult challenges and leading HEI s corporate simplification strategy. He has extensive utility operational expertise having served in numerous leadership positions at HEI s primary operating subsidiary, Hawaiian Electric Company (Hawaiian Electric), for over 28 years, including as its president and CEO. As President of Hawaiian Electric, Mr. Seu was responsible for ensuring reliable, safe and affordable provision of electric power to 95% of Hawai i s population. He was instrumental in leading the company s transition to cleaner, renewable energy supporting the state s goal of 100% renewable energy by 2045. Mr. Seu has extensive operations, business, regulatory and community leadership experience through serving in various executive roles at Hawaiian Electric. He has also been actively engaged in critical infrastructure resilience issues in Hawai i and at the national level. Prior to joining Hawaiian Electric in 1993, Mr. Seu worked as a mechanical and environmental engineer at companies in California and he also worked abroad in China. PROFESSIONAL EXPERIENCE President and Chief Executive Officer, Hawaiian Electric (2020-2021) Senior Vice President, Public Affairs, Hawaiian Electric (2017-2020) Vice President, System Operation, Hawaiian Electric (2014-2016) Vice President, Energy Resources and Operations, Hawaiian Electric (2013-2014) Vice President, Energy Resources, Hawaiian Electric (2010-2012) OTHER POSITIONS Trustee, Queen s Health Systems (since 2023) Director, Edison Electric Institute (the primary electric utility industry association representing all U.S. investor-owned electric companies) (since 2022) Director, Partners in Development Foundation (Hawaii non-profit serving families in need) (since 2022) Director, Regional Advisory Board Teach for America Hawai i (since 2017) Director, Electric Power Research Institute (EPRI) (2020-2024) Director (2022-2024) and Chair (2022-2023), American Savings Bank (former HEI subsidiary)