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Former Parsons executive steve Finney named GRVTY chief growth officer. * Stephen Finney will help GRVTY scale its defense and intelligence capabilities as chief growth officer * Finney will bring more than 25 years of experience driving growth across national security missions * He previously held senior leadership roles at Parsons and Booz Allen Hamilton Former Parsons executive Stephen Finney has joined GRVTY as chief growth officer. His appointment aligns with efforts to scale capabilities for defense and intelligence customers, the national security company said Tuesday. Who is Stephen Finney? Finney has spent over 25 years building and leading defense and intelligence businesses, with a history of driving growth on complex national security missions. Before joining GRVTY, Finney spent more than eight years at Parsons, most recently as senior vice president of defense and intelligence, a role in which he directed business development for the company's defense and intelligence portfolio. The executive also served as SVP of corporate capture at Polaris Alpha and VP of strategic initiatives at EOIR Technologies. He spent 12 years at Booz Allen Hamilton as a senior associate and began his career as a software developer at Freddie Mac and as a software engineer at IBM. What will Finney do at GRVTY? Finney will lead the company's enterprise-wide growth strategy, working to connect customer missions, technology and investment throughout the business. He will help guide GRVTY as it builds momentum and expands its differentiated capabilities in the defense and intelligence communities. Commenting on Finney's appointment, GRVTY CEO Katie Selbe said, "Steve brings the combination of market leadership, strategic thinking, and disciplined execution that will be critical as GRVTY enters its next phase of growth. He understands how to connect customer needs, technology, and investment to enable scalable growth across the national security market." Finney joins GRVTY as the company continues to build out its leadership team. In July, the company named Mark McNeely chief administrative officer, adding oversight of facilities, supply chain, procurement, contracts, information technology and security to its executive leadership structure. GRVTY has also added outside expertise to its leadership and advisory ranks. In August, the company appointed University of Maryland professor Vikram Manikonda to its advisory board. Manikonda brought more than 28 years of experience in research and development, defense technology and entrepreneurship to the role.

Parsons awarded position on $14B billion COMET Missile and Space Intelligence effort. Award positions Parsons to compete for task orders supporting scientific and technical intelligence, foundational military intelligence, and analytical-enabling services across the Defense Intelligence Enterprise. Key takeaways. * Parsons was awarded a position on the COMET IDIQ contract with a combined ceiling value of more than $14 billion. * The contract supports the Missile and Space Intelligence Center's mission to deliver scientific and technical intelligence and foundational military intelligence analysis. * Parsons will compete for task orders supporting research, development, sustainment, and analytical services that strengthen national security decision-making. CHANTILLY, Va. (August 25, 2026) - Parsons Corporation (NYSE: PSN) announced today that the company was awarded a position on the Contract Operations for Missile Evaluation and Testing (COMET) contract supporting the Missile & Space Intelligence Center (MSIC) and its mission partners. Valued at an estimated $14 billion, the multiple-award, indefinite delivery, indefinite quantity (IDIQ) contract will support scientific and technical intelligence, foundational military intelligence, and analytical-enabling services across the Defense Intelligence Enterprise. "Parsons has a long history of delivering advanced intelligence, mission engineering, and analytical capabilities that help our customers address rapidly evolving threats," said Mike Kushin, president of Defense and Intelligence for Parsons. "This award reflects our customers' confidence in our ability to provide innovative solutions that strengthen decision advantage, accelerate mission outcomes, and support critical national security priorities. Through our One Parsons approach, we bring together expertise across intelligence, cyber, missile defense, space, and systems engineering to deliver capabilities at the speed of relevance." The COMET contract supports MSIC's mission to provide scientific and technical intelligence and foundational military intelligence analysis of foreign weapon systems. These assessments help warfighters, policymakers, weapons developers, homeland security organizations, and Intelligence Community partners better understand foreign capabilities, performance, operations, limitations, and vulnerabilities. Through COMET, Parsons will compete for task orders supporting the research, development, integration, and sustainment of hardware, systems, and software capabilities, as well as analytical services that enable all-source intelligence analysis and production across the Defense Intelligence Enterprise. The contract's five mission task areas span multiple domains and disciplines and are designed to support the evolving needs of the Department of Defense, and national intelligence efforts. Parsons has supported the United States' critical missile, space, and intelligence missions for more than 35 years, providing deep expertise in scientific and technical intelligence, mission systems analysis, advanced modeling and simulation, systems engineering, and threat assessment capabilities. The company's long-standing presence in Huntsville reflects decades of partnership supporting offensive missile and space intelligence programs, including continuous support to major mission analysis efforts at Redstone Arsenal. Parsons further strengthened its intelligence mission portfolio through its acquisition of Altamira Technologies, adding more than 20 years of experience delivering intelligence solutions, advanced analytics, software and systems development, and technical intelligence support across collection, analysis, processing, dissemination, and archiving activities. Together, these complementary capabilities provide Parsons with a broad intelligence and mission engineering footprint spanning Huntsville and Dayton, enabling the company to deliver mission-focused solutions that support national security, air and space intelligence, missile defense, and emerging threat analysis requirements. The company's continued investment in its Huntsville operations, including the opening of its Redstone Gateway facility adjacent to Redstone Arsenal, underscores Parsons' enduring commitment to supporting complex defense and intelligence missions through innovation, collaboration, and customer proximity. To learn more about Parsons' national security solutions, visit https://www.parsons.com/national-security/ About Parsons: Parsons (NYSE: PSN) is a leading disruptive technology provider in the national security and global infrastructure markets, with capabilities across cyber and electronic warfare, space and missile defense, transportation, water and environment, urban development, and critical infrastructure protection. Please visit Parsons.com and follow Parsons Corporation on LinkedIn to learn how Parsons Corporation is making an impact. Forward-Looking Statements: This document contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995, Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. Forward-looking statements are based on its current expectations, beliefs and assumptions, and are not guarantees of future performance. Forward-looking statements are inherently subject to uncertainties, risks, changes in circumstances, trends and factors that are difficult to predict, many of which are outside of its control. Accordingly, actual performance, results and events may vary materially from those indicated in the forward-looking statements, and you should not rely on the forward-looking statements as predictions of future performance, results or events. Numerous factors could cause actual future performance, results and events to differ materially from those indicated in the forward-looking statements, including, among others: any issue that compromises its relationships with the U.S. federal government or its agencies or other state, local or foreign governments or agencies; any issues that damage its professional reputation; changes in governmental priorities that shift expenditures away from agencies or programs that Parsons Corporation support; its dependence on long-term government contracts, which are subject to the government's budgetary approval process; the size of its addressable markets and the amount of government spending on private contractors; failure by Parsons Corporation or its employees to obtain and maintain necessary security clearances or certifications; failure to comply with numerous laws and regulations; changes in government procurement, contract or other practices or the adoption by governments of new laws, rules, regulations and programs in a manner adverse to Parsons Corporation; the termination or nonrenewal of its government contracts, particularly its contracts with the U.S. federal government; its ability to compete effectively in the competitive bidding process and delays, contract terminations or cancellations caused by competitors' protests of major contract awards received by Parsons Corporation; its ability to generate revenue under certain of its contracts; any inability to attract, train or retain employees with the requisite skills, experience and security clearances; the loss of members of senior management or failure to develop new leaders; misconduct or other improper activities from its employees or subcontractors; its ability to realize the full value of its backlog and the timing of its receipt of revenue under contracts included in backlog; changes in the mix of its contracts and its ability to accurately estimate or otherwise recover expenses, time and resources for its contracts; changes in estimates used in recognizing revenue; internal system or service failures and security breaches; and inherent uncertainties and potential adverse developments in legal proceedings, including litigation, audits, reviews and investigations, which may result in materially adverse judgments, settlements or other unfavorable outcomes. These factors are not exhaustive and additional factors could adversely affect its business and financial performance. For a discussion of additional factors that could materially adversely affect its business and financial performance, see the factors included under the caption "Risk Factors" in its Annual Report on Form 10-K for the year ended December 31, 2025, and its other filings with the Securities and Exchange Commission. All forward-looking statements are based on currently available information and speak only as of the date on which they are made. Parsons Corporation assume no obligation to update any forward-looking statement made in this press release that becomes untrue because of subsequent events, new information or otherwise, except to the extent Parsons Corporation is required to do so by law. Media inquiries. Bernadette Miller Corporate Communications +1 980.253.9781 Dave Spille VP, investor relations. +1 703.775.6191