President and Chief Executive Officer, First Financial Bancorp and First Financial Bank Age: 65 Director since: 2023 Member, Human Resources & Compensation Committee and Governance & Nominating Committee Career Mr. Brown has been President and Chief Executive Officer of First Financial Bancorp and President and Chief Executive Officer of First Financial Bank since April 2018. Previously, he served as President and Chief Executive Officer of MainSource Financial from 2008 to 2018 and as its Board Chair from 2011 to 2018. During his 41 years in banking, Mr. Brown has held management positions in branch management, region management, bank operations (both deposit and loan), business development, small business and consumer lending. Mr. Brown is a board member of the Cincinnati branch of the Federal Reserve Bank of Cleveland, a board member of the Cincinnati Business Committee (CBC), a board and executive committee member of the Cincinnati Center City Development Corp. (3CDC) and a member of the Ohio Capital Budget Task Force. Mr. Brown previously served as a member of the University of Georgia Alumni Board of the Terry College of Business, the 2025 ArtsWave Campaign Cabinet, the board of the Cincinnati Regional Chamber and the executive committee of the Ohio Banking Commission of the Ohio Department of Commerce. He is also a former board member and campaign chair of the United Way of Greater Cincinnati. Qualifications Extensive finance, executive management, and risk and regulatory experience in delivering financial services to both individual consumers and businesses, and experience as a public company chief executive officer. Other Board Experience First Financial Bancorp (Nasdaq: FFBC), 2018 present First Financial Bank, 2018 present Cincinnati Branch of the Federal Reserve Bank of Cleveland, 2022 present