Amentum and RSI Selected for U.S. Navy Remediation IDIQ Contract
Joint Venture to Support Remediation at Hunters Point Naval Shipyard in San Francisco
CHANTILLY, VA, March 9, 2026 — RSI Amentum Environmental Solutions LLC, a joint venture between Amentum (NYSE: AMTM) and RSI, has been awarded a position on the U.S. Navy (NAVFAC) Demolition Projects Construction IDIQ contract with a ceiling value of up to $999 million.
The demolition services awarded under this contract are primarily expected to address targeted environmental tasks at Hunters Point Naval Shipyard, a Superfund site, in alignment with environmental, safety, and regulatory requirements. The firm-fixed price structure provides predictable pricing and cost management for the government while enabling RSI Amentum Environmental Services to execute the work efficiently and safely.
“Amentum and our partner RSI have a tremendous record of delivering safe remediation utilizing the most advanced technologies for the US government,” said Mark Whitney, president of Amentum’s Energy & Environment business. “This opportunity expands our work with NAVFAC, where we will be bringing our unique expertise from decades of demolition and remediation experience at the most environmentally challenging sites in the U.S.”
“Hunters Point is among the most technically complex environmental restoration efforts in the nation, and RSI is perfectly positioned to advance the site’s cleanup priorities,” said RSI President Allison Getsi. “Our partnership with Amentum combines complementary capabilities and a shared commitment to safety, regulatory compliance, and performance in support of Naval Facilities Engineering Systems Command’s mission.”
Amentum will leverage its expertise in the use of 3D scanning, waste minimization modeling, GIS mapping and advanced characterization techniques to maximize reuse and recycling to safely and efficiently execute this important environmental restoration for the Navy.
The contract, issued by NAVFAC Southwest, has a two-year performance period with three option periods. Work is expected to be completed by February of 2031.
About Amentum
Amentum is a global leader in advanced engineering and innovative technology solutions, trusted by the United States and its allies to address their most significant and complex challenges in science, security and sustainability. Our people apply undaunted curiosity, relentless ambition and boundless imagination to challenge convention and drive progress. Our commitments are underpinned by the belief that safety, collaboration and well-being are integral to success. Headquartered in Chantilly, Virginia, we have approximately 50,000 employees in more than 70 countries across all 7 continents.
About RSI
RSI does many things, but we are guided by a single purpose: to leave things better than we found them. Our talented team provides integrated nuclear, environmental, construction, project delivery, and specialized professional services to our public and private sector clients. As part of the Arctic Slope Regional Corporation, we work with a shared purpose and remain committed to each other, the clients and communities we serve, and the greater mission of our Iñupiaq shareholders. Headquartered in Oak Ridge, Tenn., RSI delivers the expertise, passion, and innovation to achieve meaningful results for our clients.
###
Media Contacts:
For Amentum:
Keith Wood
For RSI:
Mike Koentop
Forward-Looking Statements
This press release contains or incorporates by reference statements by Amentum Holdings, Inc. (the “Company”) that relate to future events and expectations and, as such, constitute “forward-looking statements” as that term is defined in the Private Securities Litigation Reform Act of 1995 and other federal securities laws. These forward-looking statements may be characterized by terminology such as “believe,” “project,” “expect,” “anticipate,” “estimate,” “forecast,” “outlook,” “target,” “endeavor,” “seek,” “predict,” “intend,” “strategy,” “plan,” “may,” “could,” “should,” “will,” “would,” “will be,” “will continue,” “will likely result,” or the negative thereof or variations thereon or similar terminology generally intended to identify forward-looking statements. All statements, other than historical facts, including, but not limited to, statements regarding the anticipated work and revenue under the awarded contract, and the Company’s objectives, expectations and intentions, applicable legal, economic and regulatory conditions, and any assumptions underlying any of the foregoing, are forward-looking statements.
A number of important factors could cause actual results to differ materially from those contained in or implied by these forward-looking statements, including those factors discussed in our filings with the Securities and Exchange Commission (SEC), including, among others: the occurrence of an accident or safety incident; the ability of the Company to control costs, meet performance requirements or contractual schedules; and other factors set forth under Item 1A, Risk Factors in our Annual Report on Form 10-K for the fiscal year ended September 27, 2024, which can be found at the SEC’s website at www.sec.gov or the Investor Relations portion of our website at www.amentum.com. Any forward-looking statement speaks only as of the date on which it is made, and the Company assumes no obligation to update or revise such statement, whether as a result of new information, future events or otherwise, except as required by applicable law.
