AMTM

<span> <style type="text/css"> //<![CDATA[ .q4default .bwalignc { text-align: center; list-style-position: inside } //]]>// </style> <div class="q4default"> <p> <span class="bw-dateline-wrapper">CHANTILLY, Va.--(BUSINESS WIRE)-- </span> <a href="https://cts.businesswire.com/ct/CT?id=smartlink&url=https%3A%2F%2Fwww.amentum.com%2F&esheet=54546205&newsitemid=20260603510275&lan=en-US&anchor=Amentum&index=1&md5=6d07a8ac009b98ee6f4698cd2d924018" rel="nofollow" shape="rect">Amentum</a> (NYSE: AMTM), a global advanced engineering and technology company, has been named to the <a href="https://cts.businesswire.com/ct/CT?id=smartlink&url=https%3A%2F%2Ffortune.com%2Franking%2Ffortune500%2F&esheet=54546205&newsitemid=20260603510275&lan=en-US&anchor=Fortune+500&index=2&md5=71b55e3f1d00df31580917fd36061238" rel="nofollow" shape="rect"><b>Fortune 500</b></a> list at the #313 position. The Fortune 500, published annually by Fortune magazine, ranks the largest U.S. corporations based on total revenue for the previous fiscal year.</p> <div id="bwbodyimg" style="width: 364px; float:left; padding-left:0px; padding-right:20px; padding-top:0px; padding-bottom:0px;"> <img alt="2026 Fortune 500" src="https://mms.businesswire.com/media/20260603510275/en/2822340/4/AccoladesF500-STANDARD.jpg" /> <p style="font-size:85%;">2026 Fortune 500</p> </div> <p>“Amentum’s inclusion on the Fortune 500 is a testament to the dedication of our 50,000 employees in more than 70 nations, as well as the enduring and trusted relationships forged with our customers and partners," said John Heller, Amentum chief executive officer. “By delivering innovative, technologically advanced solutions in national security, energy, space, intelligence, and infrastructure, we are addressing today’s challenges and leading these critical industries into the future.”</p> <p>"This milestone in Amentum’s history is about more than financial performance. It demonstrates our commitment to innovation, operational excellence, and problem-solving on a global scale,” said Travis Johnson, Amentum chief financial officer. "As we grow, we remain steadfast in our commitment to delivering innovative advanced engineering and technology solutions to solve the most significant and complex challenges in science, security and sustainability.”</p> <p> <b>About Amentum</b> </p> <p>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.<b> </b>Headquartered in Chantilly, Virginia, we have approximately 50,000 employees in more than 70 countries across all 7 continents.</p> <p>Visit us at <a href="https://cts.businesswire.com/ct/CT?id=smartlink&url=http%3A%2F%2Fwww.amentum.com%2F&esheet=54546205&newsitemid=20260603510275&lan=en-US&anchor=amentum.com&index=3&md5=57e18b938fe5b7d4a14db525c37b651e" rel="nofollow" shape="rect">amentum.com</a> to learn how we advance the future together. <br />Follow <a href="https://cts.businesswire.com/ct/CT?id=smartlink&url=https%3A%2F%2Ftwitter.com%2Famentum_corp&esheet=54546205&newsitemid=20260603510275&lan=en-US&anchor=%40Amentum_corp&index=4&md5=545d19ade3fa9263a260acd893271c72" rel="nofollow" shape="rect">@Amentum_corp</a> on X <br />Follow <a href="https://cts.businesswire.com/ct/CT?id=smartlink&url=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Famentumcorp%2F&esheet=54546205&newsitemid=20260603510275&lan=en-US&anchor=Amentum&index=5&md5=95e5111a10837eab55eecb2814689cb8" rel="nofollow" shape="rect">Amentum</a> on LinkedIn</p> <p> <b>Forward-Looking Statements</b> </p> <p>This press release

<span> <style type="text/css"> //<![CDATA[ .q4default .bwalignc { text-align: center; list-style-position: inside } //]]>// </style> <div class="q4default"> <div class="bw-subheadline-wrapper"> <p class="bwalignc"> <i>Visionary AI and Robotics Leader to Drive Scalable Innovation Across Global Markets</i> </p> </div> <p><span class="bw-dateline-wrapper">CHANTILLY, Va.--(BUSINESS WIRE)-- </span> <a href="https://cts.businesswire.com/ct/CT?id=smartlink&url=https%3A%2F%2Fwww.amentum.com%2F&esheet=54537933&newsitemid=20260519512343&lan=en-US&anchor=Amentum&index=1&md5=8e939c02401f73f347fee74e00f4593e" rel="nofollow" shape="rect">Amentum</a> (NYSE: AMTM), a global leader in advanced engineering and technology solutions, has named Dr. Sam Nazari the company’s Chief AI Architect. In this role, Dr. Nazari will drive Amentum-wide AI integration to accelerate innovation and work closely with programs to optimize mission impact for customers across the defense, intelligence, energy, space, and commercial sectors.</p><div id="bwbodyimg" style="width: 480px; float:left; padding-left:0px; padding-right:20px; padding-top:0px; padding-bottom:0px;"><img alt="Sam Nazari, Chief AI Architect, Amentum" src="https://mms.businesswire.com/media/20260519512343/en/2808615/4/SamNazari-0744C.jpg" /><p style="font-size:85%;">Sam Nazari, Chief AI Architect, Amentum</p></div><p>"Advancements in artificial intelligence are revolutionizing how mission objectives are achieved, enabling unprecedented levels of enterprise efficiency, precision, and scalability, " said Jill Bruning, Amentum chief technology officer. "With Sam’s unique expertise, he will strategically drive results-focused AI solutions that empower our customers to tackle their most complex challenges – ultimately advancing the world’s most critical missions.”</p><p>In this newly established role, Dr. Nazari’s focus spans both customer-facing AI solutions and internal operational automation. His priorities include aligning AI investments with mission-critical customer demand signals, and ensuring all AI deployments meet FedRAMP, CMMC, and client compliance standards.</p><p>Dr. Nazari has architected solutions ranging from AI-powered supply chain systems to state-of-the-art autonomous technologies supporting challenging defense environments and tactical operations.</p><p>Before the Chief AI Architect role, Dr. Nazari worked for Amentum leading key AI initiatives at DARPA. Prior to joining Amentum, he held roles at Scientific System Company, Inc. (SSCI) and Systems & Technology Research (STR), driving AI and machine learning (ML) advancements for the Department of Defense.</p><p><b>About Amentum</b></p><p>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.<b> </b>Headquartered in Chantilly, Virginia, we have approximately 50,000 employees in more than 70 countries across all 7 continents.</p><p>Visit us at <a href="https://cts.businesswire.com/ct/CT?id=smartlink&url=http%3A%2F%2Fwww.amentum.com%2F&esheet=54537933&newsitemid=20260519512343&lan=en-US&anchor=amentum.com&index=2&md5=11b781d075d4a8a5a12bd8e44f0ce9e6" rel="nofollow" shape="rect">amentum.com</a> to learn how we advance the future together. <br />Follow <a href="https://cts.businesswire.com/ct/CT?id=smartlink&url=https%3A%2F%2Ftwitter.com%2Famentum_corp&esheet=54537933&newsitemid=20260519512343&lan=en-US&anchor=%40Amentum_corp&index=3&md5=596dba30f8eb8b3b627b16c89ec697ae" rel="nofollow" shape="rect">@Amentum_corp</a> on X <br />Follow <a href="https://cts.businesswire.com/ct/CT?id=smartlink&url=https%3A%2F%2Fww

<span> <style type="text/css"> //<![CDATA[ .q4default .bwalignc { text-align: center; list-style-position: inside } .q4default .bwalignl { text-align: left } .q4default .bwalignr { text-align: right; list-style-position: inside } .q4default .bwblockalignl { margin-left: 0; margin-right: auto } .q4default .bwcellpmargin { margin-bottom: 0; margin-top: 0 } .q4default .bwdoublebottom { border-bottom: 2.25pt double rgb(0, 0, 0) } .q4default .bwlistdisc { list-style-type: disc } .q4default .bwpadb3 { padding-bottom: 4px } .q4default .bwpadb4 { padding-bottom: 5px } .q4default .bwpadl0 { padding-left: 0 } .q4default .bwpadl12 { padding-left: 60px } .q4default .bwpadl4 { padding-left: 20px } .q4default .bwpadl8 { padding-left: 40px } .q4default .bwpadr0 { padding-right: 0 } .q4default .bwrowaltcolor0 { background-color: rgb(204, 238, 255) } .q4default .bwsinglebottom { border-bottom: 1pt solid rgb(0, 0, 0) } .q4default .bwtablemarginb { margin-bottom: 10px } .q4default .bwuline { text-decoration: underline } .q4default .bwvertalignb { vertical-align: bottom } .q4default .bwvertalignt { vertical-align: top } .q4default .bwwidth1 { width: 1% } .q4default .bwwidth10 { width: 10% } .q4default .bwwidth100 { width: 100% } .q4default .bwwidth14 { width: 14% } .q4default .bwwidth2 { width: 2% } .q4default .bwwidth20 { width: 20% } .q4default .bwwidth24 { width: 24% } .q4default .bwwidth30 { width: 30% } .q4default .bwwidth33 { width: 33% } .q4default .bwwidth35 { width: 35% } .q4default .bwwidth36 { width: 36% } .q4default .bwwidth37 { width: 37% } .q4default .bwwidth38 { width: 38% } .q4default .bwwidth55 { width: 55% } .q4default .bwwidth6 { width: 6% } .q4default .bwwidth8 { width: 8% } //]]>// </style> <div class="q4default"> <div class="bw-subheadline-wrapper"> <p class="bwalignc"> <i>Revenues of $3.5 billion</i> </p> <p class="bwalignc"> <i>Net Income of $54 million; Adjusted EBITDA of $275 million</i> </p> <p class="bwalignc"> <i>Diluted Earnings Per Share of $0.22; Adjusted Diluted Earnings Per Share of $0.60</i> </p> <p class="bwalignc"> <i>Operating Cash Flow of $225 million; Free Cash Flow of $220 million</i> </p> <p class="bwalignc"> <i>Backlog of $47.8 billion; Book-to-Bill of 1.2x, Last Twelve Months 1.2x</i> </p> <p class="bwalignc"> <i>Issued $1.4 Billion Term Loan A; Proceeds Used to Repay and Reprice Term Loan B</i> </p></div> <p><span class="bw-dateline-wrapper">CHANTILLY, Va.--(BUSINESS WIRE)-- </span> Amentum Holdings, Inc. (“Amentum” or the “Company”) (NYSE: AMTM), a leading advanced engineering and technology company, today announced results for the second quarter ended April 3, 2026, and reaffirmed guidance for its fiscal year 2026.</p><p>“Amentum delivered another quarter of solid performance across all key financial and business development metrics," said Amentum Chief Executive Officer John Heller. “We see significant and growing opportunities across national security, nuclear energy, space, and critical digital infrastructure markets with most of these in the early stages of a substantial investment cycle. We believe that our strategic alignment with these markets and our focus on execution, innovation, and delivery excellence will translate into long-term value for our shareholders.”</p><table cellspacing="0" class="bwtablemarginb bwblockalignl bwwidth100"><tbody><tr><td class="bwvertalignb bwpadl0 bwwidth38" colspan="1" rowspan="1"><p class="bwcellpmargin"><b><span class="bwuline">Summary Operating Results</span></b></p></td><td class="bwvertalignb bwpadl0 bwwidth20" colspan="1" rowspan="1"><p class="bwcellpmargin">&nbsp;</p></td><td class="bwvertalignb bwpadl0 bwwidth1" colspan="1" rowspan="1"><p class="bwcellpmargin">&nbsp;</p></td><td class="bwvertalignb bwpadl0 bwwidth20" colspan="1" rowspan="1"><p class="bwcellpmargin">&nbsp;</p></td><td class="bwvertalignb bwpadl0 bwwidth1" colspan="1" rowspan="1"><p class="bwcellpmargin">&nbsp;</p

<span> <style type="text/css"> //<![CDATA[ .q4default .bwalignc { text-align: center; list-style-position: inside } //]]>// </style> <div class="q4default"> <p> <span class="bw-dateline-wrapper">CHANTILLY, Va.--(BUSINESS WIRE)-- </span> <a href="https://cts.businesswire.com/ct/CT?id=smartlink&url=https%3A%2F%2Fwww.amentum.com&esheet=54508118&newsitemid=20260415046265&lan=en-US&anchor=Amentum&index=1&md5=896e0907c91a89b0a5db731ba719e572" rel="nofollow" shape="rect">Amentum</a> (NYSE: AMTM), a global leader in advanced engineering and innovative technology solutions, will host a conference call on May 12, 2026, at 8:30 AM EDT to discuss financial results for the second quarter fiscal year 2026 ending April 3, 2026. A news release containing the results will be issued prior to the call.</p> <div id="bwbodyimg" style="width: 480px; float:left; padding-left:0px; padding-right:20px; padding-top:0px; padding-bottom:0px;"> <img alt="Amentum FY26 Q2 Earnings" src="https://mms.businesswire.com/media/20260415046265/en/2774554/4/Earnings_Call_Graphic-Q2.jpg" /> <p style="font-size:85%;">Amentum FY26 Q2 Earnings</p> </div> <p>The conference call will be webcast to the public through a link on Amentum’s <a href="https://cts.businesswire.com/ct/CT?id=smartlink&url=https%3A%2F%2Fir.amentum.com%2F&esheet=54508118&newsitemid=20260415046265&lan=en-US&anchor=Investor+Relations+Website&index=2&md5=c471ce686baac8e612f6354f0a41450c" rel="nofollow" shape="rect">Investor Relations Website</a>. A replay of the conference call, along with the earnings press release, presentation slides and supplemental financial disclosures, will be available via <a href="https://cts.businesswire.com/ct/CT?id=smartlink&url=https%3A%2F%2Fir.amentum.com%2F&esheet=54508118&newsitemid=20260415046265&lan=en-US&anchor=the+same+link&index=3&md5=8efe3b761eef5f2a94d2df85c1931f44" rel="nofollow" shape="rect">the same link</a>.</p> <p> <b>About Amentum</b> </p> <p>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 approximately 80 countries across all 7 continents.</p> <p>Visit us at <a href="https://cts.businesswire.com/ct/CT?id=smartlink&url=http%3A%2F%2Fwww.amentum.com%2F&esheet=54508118&newsitemid=20260415046265&lan=en-US&anchor=amentum.com&index=4&md5=d6a17cea052d0cfd28a1ce4f6cbebe30" rel="nofollow" shape="rect">amentum.com</a> to learn how we advance the future together.</p> <p>Follow <a href="https://cts.businesswire.com/ct/CT?id=smartlink&url=https%3A%2F%2Ftwitter.com%2Famentum_corp&esheet=54508118&newsitemid=20260415046265&lan=en-US&anchor=%40Amentum_corp&index=5&md5=cd49181a095631864b05cf7cd013902b" rel="nofollow" shape="rect">@Amentum_corp</a> on X</p> <p>Follow <a href="https://cts.businesswire.com/ct/CT?id=smartlink&url=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Famentumcorp%2F&esheet=54508118&newsitemid=20260415046265&lan=en-US&anchor=Amentum&index=6&md5=8566c652144480d7f0a36add8a326137" rel="nofollow" shape="rect">Amentum</a> on LinkedIn</p> <p> <img alt="" src="https://cts.businesswire.com/ct/CT?id=bwnews&sty=20260415046265r1&sid=q4-prod&distro=nx&lang=en" style="width:0;height:0" /> <span class="bwct31415"></span></p> <div class="bw-contact-info-wrapper"><p> <b>Media Contact: </b><br />Chanel Mann <br /><a href="mailto:chanel.mann@amentum.com" rel="nofollow" shape="rect">chanel.mann@amentum.com</a> </p> <p> <b>Investor Contact: </b><br />Joseph DeNardi <br /><a href="mailto:IR@amentum

<span> <p> <span class="bw-dateline-wrapper">CHANTILLY, Va.--(BUSINESS WIRE)-- </span> <a href="https://cts.businesswire.com/ct/CT?id=smartlink&url=https%3A%2F%2Fwww.amentum.com%2F&esheet=54520509&newsitemid=20260422684347&lan=en-US&anchor=Amentum&index=1&md5=7b48ce8d1186d1b11c5fe334427464b2" rel="nofollow" shape="rect">Amentum</a> (NYSE: AMTM), a global leader in advanced engineering and technology solutions, today announced the appointment of Joseph (Joe) DeNardi as Senior Vice President and Head of Investor Relations. DeNardi will lead Amentum’s investor relations strategy, oversee engagement with the investment community, and help drive strategic financial initiatives that support the company’s long-term growth objectives.</p> <div id="bwbodyimg" style="width: 320px; float:left; padding-left:0px; padding-right:20px; padding-top:0px; padding-bottom:0px;"> <img alt="Joe DeNardi, Amentum Senior Vice President and Head of Investor Relations" src="https://mms.businesswire.com/media/20260422684347/en/2782109/4/JWD_headshot.jpg" /> <p style="font-size:85%;">Joe DeNardi, Amentum Senior Vice President and Head of Investor Relations</p> </div> <p>“Joe DeNardi’s deep understanding of the government services and defense sectors, combined with his experience leading investor relations and corporate finance organizations, positions him well to continue advancing Amentum’s value proposition as a global leader in our market,” said Amentum Chief Financial Officer, Travis Johnson. “We are pleased to welcome Joe to our leadership team as we execute on our long-term growth strategy and expand our relationships with shareholders, analysts, and the broader financial community.”</p> <p>DeNardi previously held senior finance leadership roles at Science Applications International (SAIC), including Head of Corporate FP&A, Investor Relations, and Treasurer. He brings deep experience across investor relations, corporate finance, and capital markets. Prior to SAIC, DeNardi served as a Managing Director in equity research at Stifel Financial, covering the Aerospace & Defense and Government Services sectors. DeNardi holds a bachelor’s degree from The College of William & Mary and a master’s degree in finance from Loyola University Maryland.</p> <p>DeNardi succeeds Nathan Rutledge who left the company to pursue other opportunities. Rutledge previously led Amentum’s investor relations efforts during an important phase of the company’s evolution following Amentum’s merger with Jacobs’ Critical Mission Solutions and Cyber and Intelligence businesses, and the combined company’s subsequent public listing.</p> <p> <b>About Amentum</b> </p> <p>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.</p> <p>Visit us at <a href="https://cts.businesswire.com/ct/CT?id=smartlink&url=http%3A%2F%2Fwww.amentum.com%2F&esheet=54520509&newsitemid=20260422684347&lan=en-US&anchor=amentum.com&index=2&md5=da41359f29a973e98c10f22807a9ed93" rel="nofollow" shape="rect">amentum.com</a> to learn how we advance the future together.</p> <p>Follow <a href="https://cts.businesswire.com/ct/CT?id=smartlink&url=https%3A%2F%2Ftwitter.com%2Famentum_corp&esheet=54520509&newsitemid=20260422684347&lan=en-US&anchor=%40Amentum_corp&index=3&md5=885b5ab94108573580c3f529877bfe74" rel="nofollow" shape="rect">@Amentum_corp</a> on X.</p> <p>Follow <a href="https://cts.businesswire.com/ct/CT?id=smartlink&url=https%3A%2F%2Fwww.link

<span> <style type="text/css"> //<![CDATA[ .q4default .bwalignc { text-align: center; list-style-position: inside } //]]>// </style> <div class="q4default"> <div class="bw-subheadline-wrapper"> <p class="bwalignc"> <i>Team Performs Seamless Launch Preparation and Pad Operations at Kennedy Space Center</i> </p> </div> <p><span class="bw-dateline-wrapper">CHANTILLY, Va.--(BUSINESS WIRE)-- </span> <a href="https://cts.businesswire.com/ct/CT?id=smartlink&url=https%3A%2F%2Fwww.amentum.com%2F&esheet=54497658&newsitemid=20260413489409&lan=en-US&anchor=Amentum&index=1&md5=74db4896a83ab7ab00f90712e146fa6e" rel="nofollow" shape="rect">Amentum</a> (NYSE: AMTM) provided critical ground systems operations to NASA on the Artemis II mission, the first crewed flight in the Artemis program. The mission marked a new era in human space exploration, advancing NASA’s objective of a sustainable lunar presence and setting the stage for future deep-space exploration and habitation.</p><p>“Artemis II is a giant leap not just for NASA, but for humanity’s reawakening to human space exploration,” said Mark Walter, president of Amentum’s Engineering & Technology business. “Amentum works at NASA space centers embedding advanced engineering directly into the environments where the nation’s most critical missions are planned, tested, and executed. We are proud to be a trusted partner as NASA takes this historic step forward, combining advanced engineering with operational excellence to enable safe and successful spaceflight.”</p><p>Amentum’s ground system support to Artemis II covered complex mission critical areas—from driving the iconic Crawler Transporter and integrating the vehicle on the Mobile Launcher, to deploying NASA’s Emergency Escape System and conducting a full Wet Dress Rehearsal. In addition to ground systems development and preparation, Amentum supported precision hypergolic servicing, or management of rocket fuels and oxidizers, meticulous SLS and Orion testing, closeout activities, and comprehensive system validations. Every operation reflected Amentum’s commitment to safety, reliability, and innovation—hallmarks of the company’s partnership in advancing human space exploration.</p><p>Amentum’s involvement extended beyond launch operations. Pre-launch, Amentum supported NASA by conducting scientific research, design, development, and testing for a number of Artemis program elements. Post-mission, Amentum supported NASA and the U.S. Navy with recovering the Orion spacecraft from the Pacific Ocean near San Diego, ensuring the integrity of the vehicle and the safety of its crew as they return to Earth.</p><p>The success of Artemis II reaffirms Amentum’s commitment to NASA delivering the engineering innovation, operational excellence, and mission-critical performance required to advance NASA’s long-term goals for sustained lunar exploration and habitation in future deep-space missions.</p><p><b>About Amentum</b></p><p>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.</p><p>Visit us at <a href="https://cts.businesswire.com/ct/CT?id=smartlink&url=https%3A%2F%2Fwww.amentum.com%2F&esheet=54497658&newsitemid=20260413489409&lan=en-US&anchor=amentum.com&index=2&md5=2f470ab95716592d14f2c38c3b186929" rel="nofollow" shape="rect">amentum.com</a> to learn how we advance the future together.</p><p>Follow <a href="https://cts.businesswire.com/ct/CT?id=smartlink&url=https%3A%2F%2Fx.com%2Famentum_corp&

<span> <style type="text/css"> //<![CDATA[ .q4default .bwalignc { text-align: center; list-style-position: inside } //]]>// </style> <div class="q4default"> <p> <span class="bw-dateline-wrapper">CHANTILLY, Va.--(BUSINESS WIRE)-- </span> <a href="https://cts.businesswire.com/ct/CT?id=smartlink&url=https%3A%2F%2Fwww.amentum.com%2F&esheet=54481185&newsitemid=20260407535846&lan=en-US&anchor=Amentum&index=1&md5=134e9f97f730a3172cecd0542800bf98" rel="nofollow" shape="rect">Amentum</a> (NYSE: AMTM) has been awarded a $425 million contract by the California Department of Forestry and Fire Protection (CAL FIRE) to deliver aerial firefighting support to the state. The initial three-year contract includes two option years.</p> <div id="bwbodyimg" style="width: 480px; float:left; padding-left:0px; padding-right:20px; padding-top:0px; padding-bottom:0px;"> <img alt="California Department of Forestry and Fire Protection (CAL FIRE)" src="https://mms.businesswire.com/media/20260407535846/en/2767065/4/CALFIRE_Tanker_79_Reynolds_Aviation_SBU.jpg" /> <p style="font-size:85%;">California Department of Forestry and Fire Protection (CAL FIRE)</p> </div> <p>The partnership underscores the company’s commitment to supporting California in its battle against wildfires.</p> <p>“Amentum is uniquely positioned to manage the training, scheduling and mobilization of pilots and mechanics to deliver aviation solutions that protect California’s environment and critical infrastructure,” said Dr. Karl Spinnenweber, president of Amentum’s Mission Solutions business. "Amentum brings advanced technical solutions, including AI-driven predictive maintenance, repair and overhaul services, as well as world-class logistics and deployment expertise to help the state safeguard communities and its economy."</p> <p>Amentum will deliver a full spectrum of aviation expertise, ranging from program management and training to the operational deployment of 350 elite pilots and mechanics. Their mission is to bolster California’s firefighting capabilities in the face of an escalating wildfire crisis, ensuring the state’s fleet of specialized aircraft remains fully operational and ready to deploy.</p> <p>“Today’s fire season is no longer seasonal. It’s a year-round battle that grows more dangerous with each passing year," said Spinnenweber. “With decades of aviation excellence, we are committed to ensuring aircraft and crews are ready at a moment’s notice, both here at home and globally, for the toughest, most vital operations.”</p> <p> <b>About Amentum</b> </p> <p>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.</p> <p>Visit us at <a href="https://cts.businesswire.com/ct/CT?id=smartlink&url=http%3A%2F%2Fwww.amentum.com%2F&esheet=54481185&newsitemid=20260407535846&lan=en-US&anchor=amentum.com&index=2&md5=093372e2deb142ce2464aeb4126a13eb" rel="nofollow" shape="rect">amentum.com</a> to learn how we advance the future together. <br />Follow <a href="https://cts.businesswire.com/ct/CT?id=smartlink&url=https%3A%2F%2Ftwitter.com%2Famentum_corp&esheet=54481185&newsitemid=20260407535846&lan=en-US&anchor=%40Amentum_corp&index=3&md5=e16ddc525813212278696d5697b6b285" rel="nofollow" shape="rect">@Amentum_corp</a> on X <br />Follow <a href="https://cts.businesswire.com/ct/CT?id=smartlink&url=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Famentumcorp%2F&esheet=54481185&newsitemid=202604075

<span> <style type="text/css"> //<![CDATA[ .q4default .bwalignc { text-align: center; list-style-position: inside } //]]>// </style> <div class="q4default"> <p> <span class="bw-dateline-wrapper">CHANTILLY, Va.--(BUSINESS WIRE)-- </span> Great British Energy – Nuclear (GBE-N) has awarded a $406 million (£300 million) contract to a joint venture between <a href="https://cts.businesswire.com/ct/CT?id=smartlink&url=https%3A%2F%2Fwww.amentum.com%2F&esheet=54475443&newsitemid=20260401059776&lan=en-US&anchor=Amentum&index=1&md5=8019b340545f376f5493253b9f4cdc40" rel="nofollow" shape="rect">Amentum</a> (NYSE: AMTM) and Cavendish Nuclear to serve as the owner’s engineer for the UK’s groundbreaking small modular reactor (SMR) program.</p> <div id="bwbodyimg" style="width: 480px; float:left; padding-left:0px; padding-right:20px; padding-top:0px; padding-bottom:0px;"> <img alt="Contract signing - left to right: Mick Gornall, Managing Director, Cavendish Nuclear; Loren Jones, Senior Vice President, Amentum; Simon Roddy, Chief Executive Officer, Great British Energy-Nuclear; Kenny Douglas, DevCo Director, Great British Energy-Nuclear" src="https://mms.businesswire.com/media/20260401059776/en/2762989/4/Contract_signing_-_Left_to_right_Mick_Gornall%252C_Loren_Jones%252C_Simon_Roddy_and_Kenny_Douglas.jpg" /> <p style="font-size:85%;">Contract signing - left to right: Mick Gornall, Managing Director, Cavendish Nuclear; Loren Jones, Senior Vice President, Amentum; Simon Roddy, Chief Executive Officer, Great British Energy-Nuclear; Kenny Douglas, DevCo Director, Great British Energy-Nuclear</p> </div> <p>This long-term agreement, with a maximum duration of 14 years, will support the deployment of Rolls-Royce SMR’s innovative reactor technology at the Wylfa site in North Wales. The contract represents a significant milestone in advancing the UK’s clean energy ambitions and the rollout of its first SMRs.</p> <p>The Amentum-led joint venture, known as <b>Litmus Nuclear</b>, will play a pivotal role in the SMR program by delivering independent assurance and expert technical guidance across critical areas, including design, safety, engineering, construction, and commissioning. This support is designed to help GBE-N achieve its goal of securing a final investment decision for the deployment of SMRs at the Wylfa site.</p> <p>"This award recognizes Amentum’s expertise to accelerate the global expansion and revitalization of nuclear energy. It also underscores our central role in advancing the UK’s nuclear ambitions, complementing our ongoing work at Hinkley Point C and Sizewell C,” said Loren Jones, senior vice president and head of Amentum’s Energy & Environment-International business. “Amentum will draw upon our expertise in nuclear science and engineering to provide independent technical and delivery assurance, helping GBE-N advance the SMR program and bolster the UK’s energy security and industrial base.”</p> <p>The joint venture will also ensure the SMR program meets regulatory requirements and is poised to deliver reliable, low-carbon power for decades to come.</p> <p>In November 2025, the UK’s Department for Energy Security and Net Zero announced Wylfa, on the island of Anglesey/Ynys Môn, as the site for the country’s first SMR’s. These 470MWe reactors are smaller and designed to be built more quickly than some traditional nuclear power stations.</p> <p> <b>About Amentum</b> </p> <p>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.</p> <p> <b>About Amentum in the United Kingdom</b> </p> <p>With more than 6,000 people in the UK, Amentum is the delivery partner for project and construction management services at Hinkley Point C; sole program and project management delivery partner at

<span> <style type="text/css"> //<![CDATA[ .q4default .bwlistdisc { list-style-type: disc } //]]>// </style> <div class="q4default"> <p> <span class="bw-dateline-wrapper">HONOLULU--(BUSINESS WIRE)-- </span> <a href="https://cts.businesswire.com/ct/CT?id=smartlink&url=https%3A%2F%2Fwww.amentum.com%2F&esheet=54469476&newsitemid=20260330639773&lan=en-US&anchor=Amentum&index=1&md5=fbbf9f046fca7de30ea8ce6ca63a4fdd" rel="nofollow" shape="rect">Amentum</a> (NYSE: AMTM) announces the relocation of its Hawaii office from Aiea to a new, significantly larger facility at 3375 Koapaka Street in Honolulu. This strategic move quadruples the size of Amentum’s local headquarters and reflects the company’s <b>commitment</b> to bolstering U.S. Indo-Pacific Command (USINDOPACOM) mission delivery in the region. The expansion also includes the establishment of a new <b>Center for Contested Logistics</b>, a cutting-edge hub aimed at addressing one of modern warfare’s most critical challenges.</p> <div id="bwbodyimg" style="width: 480px; float:left; padding-left:0px; padding-right:20px; padding-top:0px; padding-bottom:0px;"> <img alt="Image credit: Captain Jared McCully, U.S. Army" src="https://mms.businesswire.com/media/20260330639773/en/2759633/4/Hawaii_IndoPacific_defense_image_by_Jared_McCully_US_Army.jpg" /> <p style="font-size:85%;">Image credit: Captain Jared McCully, U.S. Army</p> </div> <p>“Our mission is to transform contested logistics from a strategic vulnerability into a decisive advantage,” said Mark Walter, president of Amentum’s Engineering and Technology Group. “By expanding our local headquarters, we are centralizing our regional operational and solutions development teams alongside our Hawaii-based customers and teams to enable greater agility and responsiveness. This investment enhances our ability to scale operations, rapidly develop solutions and adapt to the evolving security dynamics in the Asia-Pacific region.”</p> <p>The Indo-Pacific region has emerged as one of the United States’ highest strategic priorities. Anti-access/area-denial (A2/AD) strategies in the region pose significant risks to communication networks, supply lines, and cyber infrastructure. Maintaining mission readiness in this complex environment requires resilient systems capable of adapting to long-range disruptions while ensuring operational independence. As the U.S. military’s oldest and largest unified command, USINDOPACOM plays a pivotal role in defending U.S. interests, deterring aggression, and promoting regional security and stability.</p> <p>“This move is a clear signal of our long-term commitment to the Indo-Pacific and to the warfighters we sit with and support every day, strengthening our ability to operate, innovate, and prevail in contested environments," said Brian Bethea, vice president of Amentum’s Indo-Pacific Mission Integration Program.</p> <p>Amentum’s contributions to USINDOPACOM’s mission are broad and multifaceted, managing over 1,000 people across the Hawaiian Islands. The company’s key programs in the region include:</p> <ul class="bwlistdisc"> <li> <b>INDOPACOM Technology, Experimentation, Analysis, and Management Services (ITEAMS):</b> This initiative drives advanced analysis, experimentation, and testing to optimize Department of Defense operations and align with USINDOPACOM’s priorities.</li> <li> <b>Pacific Missile Range Facility (PMRF) Contract:</b> Partnering with a Native Hawaiian-owned firm, Amentum delivers leading-edge technological solutions and sustainment capabilities to support PMRF operations.</li> <li> <b>Comprehensive Support Services:</b> From intelligence analysis and logistics to supply chain management and aircraft maintenance, Amentum provides critical services to ensure operational readiness across the region.</li> </ul> <p>With these programs and its newly expanded regional headquarters, Amentum continues

<span> <style type="text/css"> //<![CDATA[ .q4default .bwalignc { text-align: center; list-style-position: inside } //]]>// </style> <div class="q4default"> <p> <span class="bw-dateline-wrapper">CHANTILLY, Va.--(BUSINESS WIRE)-- </span> A joint venture led by Amentum (NYSE: AMTM) has won a new framework contract as the lead decommissioning and waste management contractor for nuclear research sites in four European countries.</p> <div id="bwbodyimg" style="width: 363px; float:left; padding-left:0px; padding-right:20px; padding-top:0px; padding-bottom:0px;"> <img alt="Pavol Stuller, Amentum’s European Development Director, and Laurent Jerrige, JRC Director for Nuclear Decommissioning, signing the contract." src="https://mms.businesswire.com/media/20260310491705/en/2741680/4/Pavol_Stuller_and_Laurent_Jerrige_signing_the_contract.jpg" /> <p style="font-size:85%;">Pavol Stuller, Amentum’s European Development Director, and Laurent Jerrige, JRC Director for Nuclear Decommissioning, signing the contract.</p> </div> <p>Under the $112 million (€95.7 million) contract, awarded by the European Commission Joint Research Centre (JRC), the Amentum-led JV will provide decommissioning solutions to accelerate the cleanup efforts of JRC sites in Ispra (Italy), Karlsruhe (Germany), Geel (Belgium) and Petten (The Netherlands).</p> <p>“Amentum’s robust track record of delivering European-funded projects on time and on budget in multiple countries, including prior experience working at JRC Ispra, made us the ideal choice for this contract,” said Loren Jones, senior vice president and head of Amentum’s Energy & Environment-International business. “We will leverage decommissioning and waste management techniques developed at the world’s most complex nuclear sites, integrating innovative solutions to complex technical and project management challenges. Additionally, our strong ties to regulatory authorities across the European Union will serve as a vital asset in ensuring success.”</p> <p>For more than 60 years, the JRC sites have addressed complex challenges in areas such as nuclear decommissioning, innovation, safeguards and non-proliferation by conducting research, providing scientific advice and supporting European Union policy makers.</p> <p>The decommissioning and waste management contract will cover structures such as research reactors, hot cells, accelerators, laboratories and other infrastructure where radioactive substances have been handled.</p> <p>The work will be delivered by an Amentum-led joint venture with WSP Italia, supported by sub-contractors TUV Rheinland and Protection Solution SRL. The JV’s scope of work includes licensing, radioactive waste management, radiation protection, decommissioning and nuclear engineering, worksite management and safety, non-nuclear engineering, facility supervision and quality assurance.</p> <p>The JRC contract has a duration of two years with three potential two-year extensions.</p> <p> <b>About Amentum</b> </p> <p>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.</p> <p>In Europe, Amentum has more than 6,500 people driving the nuclear resurgence in the UK, France, Poland, Slovakia and the Netherlands. Key nuclear energy programs include Hinkley Point C, Sizewell C and Rolls-Royce SMR in the UK, ITER in France, and advising the Polish and Dutch governments on nuclear new build. To su