GLOBAL ENERGY BUSINESS LEADERSHIP AND GOVERNANCE experience through his service as Valero s Chairman (since the close of business on December 31, 2024), CEO and President and a member of the Board (since the close of business on June 30, 2023), President and Chief Operating Officer (from January 23, 2020 through June 30, 2023), where his responsibilities included refining, logistics, and low-carbon fuels operations, Executive Vice President and Chief Operating Officer, his extensive experience in global commodity markets while leading Valero s supply optimization and crude and feedstock supply groups, and the other roles he has held with Valero noted below. He also previously served on the board of the general partner of Valero Energy Partners LP, a former public midstream and logistics focused master limited partnership, and on the board of Valero s renewable diesel joint venture. As a key member of Valero s management team, Mr. Riggs has long played a vital role in developing and implementing the strategies that Valero has steadfastly executed for over a decade, which have been pivotal to Valero s ability to provide peer-leading performance and stockholder returns. REFINING AND MARKETING, HSE, REGULATORY, AND RISK MANAGEMENT experience through his decades of service at Valero, where he began his career as a Process Engineer at Valero s McKee refinery, and subsequently held numerous leadership positions overseeing refining operations, supply optimization and crude and feedstock supply, and planning and economics, before becoming Valero s CEO and President. Additionally, under Mr. Riggs leadership as Chief Operating Officer noted above, Valero s refining operations dramatically improved in safety, reliability, cost management, and environmental measures. HUMAN CAPITAL MANAGEMENT AND SUSTAINABILITY experience through his various leadership roles at Valero and its renewable diesel joint venture noted above. As Valero s President and Chief Operating Officer, his responsibilities included low-carbon fuels operations and the oversight of our renewable diesel expansion project in St. Charles, Louisiana, and the construction of our renewable diesel plant in Port Arthur, Texas. He has also been intimately involved in the strategic planning and capital decisions involving Valero s low-carbon fuels businesses.