Chair Citibank, N.A. Chair, Citibank, N.A. 2025 to Present President and CEO, BMO Financial Corporation and U.S. Country Head, BMO Financial Group 2011 to 2013 Group Head, Personal and Commercial Banking, U.S. and President and Chief Executive Officer, BMO Harris Bank N.A., BMO Financial Group 2006 to 2011 Vice Chairman and Head, Securitization and Credit Investment Management, Merchant Banking and Head of N.Y. Office, Capital Markets Group, BMO Financial Group 2000 to 2006 Executive Vice President, Strategic Initiatives, Capital Markets Group, BMO Financial Group 2000 Executive Vice President and Head, Global Treasury Group, BMO Financial Group 1997 to 1999 Senior Vice President and Deputy Treasurer, Global Treasury Group, BMO Financial Group 1995 to 1997 Managing Director and Regional Treasurer, Asia Pacific, Global Treasury Group, BMO Financial Group 1993 to 1994 Managing Director and Head, North American Financial Product Sales, Global Treasury Group, BMO Financial Group 1991 to 1993 Skills and Qualifications Ms. Costello is an accomplished financial services executive who has been nominated to serve on the Board because of her extensive skills and knowledge in the areas of Financial Services, Risk Management, Financial Reporting, Operations and Technology, and Regulatory and Compliance. Because Citi is an international financial services company, having former banking executives with extensive banking experience, like Ms. Costello, as Board members enables the Board to provide knowledgeable oversight to its business and regulatory activities. In her 30 years at BMO Financial Group, a global financial institution, Ms. Costello acquired extensive experience in personal and commercial banking, wealth management, and capital markets businesses in Canada, Asia, and the U.S. In her roles in Global Treasury and Global Capital Markets, she gained experience in corporate, institutional, and investment banking, securities, trading, and asset management. As CEO of BMO Harris Bank N.A., Ms. Costello gained experience in personal and commercial banking, strategic planning, marketing, regulatory compliance, financial reporting, and personnel matters. Additionally, as CEO of BMO Financial Corporation and U.S. Country Head of BMO Financial Group, she gained further experience in regulatory compliance, including capital and resolution planning, risk management, and governance. Her prior board service at DH Corporation and Diebold Nixdorf provide her with experience in global operations and financial technologies businesses. Ms. Costello s extensive financial services background also adds significant value to Citi s and Citibank s relationships with various regulators and stakeholders.