Leidos Holdings, Inc.

Leidos Holdings, Inc. ( Leidos ), a Delaware corporation, is a holding company whose direct 100%-owned subsidiary and principal operating company is Leidos, Inc. Leidos was founded in 1969 by physicist Dr. Robert Beyster. Since our founding 57 years ago, we have applied our expertise in science, research and engineering in rapidly-evolving technologies and markets to solve complex problems of global concern. We use the terms we, us and our to refer collectively to Leidos Holdings, Inc. and its consolidated subsidiaries. Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000, global employees, we pursue strategic growth across five pillars: space and maritime; energy infrastructure; digital modernization and cyber; mission software; and managed health services. Our customers include the U.S. Department of War ( DoW ), the U.S. Intelligence Community, the U.S. Department of Homeland Security ( DHS ), the Federal Aviation Administration ( FAA ), the Department of Veterans Affairs ( VA ) and many other U.S. civilian, state and local government agencies, foreign government agencies and commercial businesses. With a focus on delivering mission-critical solutions, Leidos generated 87% of revenues for the fiscal year ended January 2, 2026, ( fiscal 2025 ) from U.S. government contracts, either as a prime contractor or a subcontractor to others. Approximately 8% of our revenues are generated by entities located outside of the United States.