Amentum Holdings, Inc.

Business Overview Amentum Holdings, Inc. (herein referred to as we , our , us , the Company and Amentum ), a Delaware corporation, is a global advanced engineering and technology solutions provider to a broad base of U.S. and allied government agencies, and customers in international and commercial markets. On September 27, 2024, Amentum was formed through the completion of a merger between the legacy Amentum business and a spin-off of the Jacobs Solutions Inc. ( Jacobs ) Critical Mission Solutions business and portions of the Jacobs Divergent Solutions business (the Transaction ). The Transaction brought together two premier government services companies with complementary capabilities and a deep understanding of our customers’ missions and priorities developed over more than 100 years as trusted engineering and technical experts. We operate our business activities and report financial results as two reportable segments: Digital Solutions ( DS ) and Global Engineering Solutions ( GES ). Our history as a trusted partner to the U.S. federal government and our advanced engineering and technology expertise enable us to lead and support our customers’ most complex programs. Our broad capabilities support technology-driven, full mission lifecycle solutions that align with modernization priorities for a wide array of customers across energy and environmental, intelligence, space, defense, civilian and commercial end-markets.