Select Qualifications and Skills: Leadership Experience: Mr. Tien has extensive leadership experience in the U.S. Federal Government, U.S. military, private sector, and the non-profit sector. His most recent role was as the Senate confirmed Deputy Secretary of the U.S. Department of Homeland Security (DHS) in the Biden Administration from June 2021 to July 2023, the second highest-ranking official in DHS. Prior to then, from 2011 to 2021, Mr. Tien was a senior executive in Citigroup, leading teams in various senior leadership up through managing director: from 2020-2021 he served as Head of Business and Process Re-Engineering Transformation for Citigroup s entire U.S. Consumer Bank; from 2016-2020 served Chief Operating Officer (COO) and Chief Technology Officer (CTO) for the Macy s private label and co-brand (American Express) credit card portfolio, and served in a variety of Managing Director-level leadership positions throughout the company from 2011-2016. Industry Knowledge and Expertise: Mr. Tien is a graduate of West Point Military Academy and served in the U.S. Army for 24 years as an active-duty officer in a variety of leadership and staff positions in seven different U.S. states, three countries, and three combat tours. He retired at the rank of Colonel. Mr. Tien also served in three other presidential Administrations as an active-duty U.S. Army officer: 1) the Obama Administration National Security Council (NSC) Senior Director for Afghanistan and Pakistan; (2) the Bush Administration NSC Director for Iraq; and (3) the Clinton Administration White House Fellow for the U.S. Trade Representative. During his service both in the Army as well as the U.S. government he gained extensive expertise and knowledge in the federal and military landscape. Director Experience: Mr. Tien has served on the Board for Union Pacific (NYSE: UNP) since 2023. Given Mr. Tien's extensive background and expert knowledge spanning the federal, private, and military sectors, coupled with his experience in senior leadership positions, he offers invaluable insights to our Board. Age: 62 Director since: 2024 Independent Committees: Compensation; Nominating