May 4, 2023 Hui Peng Koh takes top job as Peter Benyon retires MALTA, N.Y., May 4, 2023 — GlobalFoundries (Nasdaq: GFS) (GF) today announced the appointment of Hui Peng Koh as vice president and general manager of the company’s semiconductor manufacturing facility in Malta, New York. Building on her experience in leading the 1,200 strong engineering team in Malta for the last three years, Ms. Koh is stepping up to lead GF’s most advanced U.S. fab that supports a wide range of customers. She succeeds long time GF executive and industry veteran Peter Benyon who will retire in early July 2023 after more than 40 years in the semiconductor industry including being part of the GF team since the acquisition of Chartered Semiconductor in 2011. Ms. Koh, an accomplished leader with more than 23 years of semiconductor manufacturing experience, currently serves as vice president of manufacturing engineering at GF. Prior to her current role, she was the director of lithography and held various leadership positions at the company’s Malta facility. Previously, she served in several technology development roles at GF’s Singapore campus. Ms. Koh earned her master’s degree in materials engineering from Nanyang Technological University in Singapore. Ms. Koh is also the executive sponsor of the GF Malta GlobalWomen chapter, an employee resource group comprised of a worldwide network of women and allies whose mission is to create a sustainable framework for the professional development of women at GF. Throughout her career, she has placed a strong emphasis on operational excellence, talent development, inclusion, and mentoring for GF team members as they grow their careers. “GF and our NY Fab are leading the industry in delivering the feature-rich semiconductors needed to meet the world’s demand for these essential chips. I am so pleased to continue with our tradition of growing GF fab leaders from within our organization, whose leadership, expertise and commitment are the bedrock of our business,” said Dr. Thomas Caulfield, president and CEO of GF. “In her new role as the leader of our more than 2,000 strong manufacturing team in New York, Hui Peng will help ensure that we have the right capabilities and team in place to continue to drive operational excellence and exceed our customers’ expectations while executing on our growth strategy.” Peter Benyon, GF’s senior vice president and general manager, will retire in early July after leading the Malta facility since July 2019. Prior to that he ran GF’s world-scale 300mm fab in Singapore. “On behalf of our entire global team, I want to thank and recognize Peter’s countless contributions to GF, which were pivotal in accelerating our growth and value creation, and have set the foundation for our future,” Caulfield added. About GF GlobalFoundries (GF) is one of the world’s leading semiconductor manufacturers. GF is redefining innovation and semiconductor manufacturing by developing and delivering feature-rich process technology solutions that provide leadership performance in pervasive high growth markets. GF offers a unique mix of design, development and fabrication services. With a talented and diverse workforce and an at-scale manufacturing footprint spanning the U.S., Europe and Asia, GF is a trusted technology source to its worldwide customers. For more information, visit www.gf.com. ©GlobalFoundries Inc. GF, GlobalFoundries, the GF logos and other GF marks are trademarks of GlobalFoundries Inc. or its subsidiaries. All other trademarks are the property of their respective owners. Forward-looking Information This news release may contain forward-looking statements, which involve risks and uncertainties. Readers are cautioned not to place undue reliance on any of these forward-looking statements. These forward-looking statements speak only as of the date hereof. GF undertakes no obligation to update any of these forward-looking statements to reflect events or circumstances after the date of this news release or to reflect actual outcomes, unless required by law. Media contact: Julie Moynehan Corporate Communications, GF[email protected] 518.305.6780