Executive Vice President and Chief Financial Officer, Quest Diagnostics Incorporated Independent Director Age: 56 Director since: July 2019 Committees: Audit Compensation and Talent Experience Quest Diagnostics Incorporated + Executive Vice President and Chief Financial Officer (since July 2022) Illumina, Inc. + Senior Vice President and Chief Financial Officer (January 2017 July 2022) Cardinal Health, Inc. + Senior Vice President and Corporate Treasurer (February 2012 January 2017) + Senior Vice President and Chief Financial Officer, Pharmaceutical Segment (2009 2012) + Vice President, Healthcare Supply Chain Services (2007 2009) Other Experiences + Various finance roles at Eli Lily and Company and PepsiCo, Inc. Qualifications + Financial Acumen: Substantial experience in the review and preparation of financial statements and a strong understanding of complex financial and accounting topics, internal controls over financial reporting and financial planning, gained through his current role as Chief Financial Officer of Quest Diagnostics Incorporated and prior role at Illumina, Inc. + Corporate Finance: Deep experience and knowledge in matters of corporate finance, including capital market transactions and mergers and acquisitions, developed during his long career holding roles of increasing responsibility in the finance field. + International Business: Extensive international operational experience, including during his tenure at Cardinal Health where he had significant leadership responsibility for the China business operations. + Mr. Samad also brings significant executive leadership, corporate governance, corporate strategy, innovation and R&D, digital, human capital management, operations, sustainability and risk oversight skills and experience to the Board. Education + Bachelor s Degree in Business Administration (BBA), American University of Beirut + MBA, McMaster University