OASIS+ Web Portal OASIS+ Unrestricted Pool OASIS+ Contracts OASIS+ is the next-generation governmentwide, multiple-award Indefinite Delivery/Indefinite Quantity (IDIQ) contract administered by the U.S. General Services Administration. OASIS+ is designed to provide federal agencies with flexible, best-value solutions for complex professional services requirements across a broad range of mission and enterprise needs. Valiant Global Defense Services, Inc. is an OASIS+ unrestricted awardee in the following domains: Management and Advisory Technical and Engineering Research and Development Facilities Logistics Intelligence Services These domain awards position Valiant to deliver comprehensive mission support, engineering, training, logistics, intelligence, facilities management, and research solutions to federal customers worldwide. UEI: PD3UQQ22NQW1 CAGE Code: 0K831 For additional information regarding OASIS+, visit the official GSA website. Points of Contact Mike Brennan Chief Growth Officer E: mike.brennan@onevaliant.com P: +1 (410) 212-0575 A: 2355 Dulles Corner Blvd, Suite 200, Herndon, VA 20171 Danielle James Contracts Manager E: danielle.james@onevaliant.com P: +1 (3371) 275-3158 A: 2355 Dulles Corner Blvd, Suite 200, Herndon, VA 20171 Contract Details Supports a broad range of mission areas and technical requirements across the federal government. Covers multiple professional service disciplines, enabling flexible, cross-functional support. Allows full contract type flexibility at the task order level, including fixed-price, cost-reimbursement, and hybrid structures. Permits ancillary support and Other Direct Costs (ODCs) at the task order level to support mission execution needs. Supports CONUS and OCONUS mission requirements. Enables streamlined ordering and scalable solutions for both rapid-response and long-term requirements. OASIS Brochure Contact Us

Who We Serve U.S. Partners Valiant is an experienced global government services contractor serving the United States, its allied partners, and other international organizations, focusing on three market segments: Aerospace & Defense, National Security & Intelligence, and Civil Government . Current & Recent International Partners German Military Government of the Netherlands Swedish Armed Forces Ministry of Defense (UK) Ministry of Defence of Georgia Romanian Armed Forces Ministry of National Defence (Lithuania)

Valiant announced today that the U.S. Army Corps of Engineers has awarded the company a $41 million contract to provide facility modernization, operations, and maintenance services at Fort Liberty (formerly Fort Bragg), North Carolina. U.S. Army Corps of Engineers Awards Valiant $41M Contract to Continue Providing Facility Modernization, Operations, and Maintenance Services 9 Nov 2023 HERNDON, Va., Nov. 9, 2023 – Valiant announced today that the U.S. Army Corps of Engineers has awarded the company a $41 million contract to provide facility modernization, operations, and maintenance services at Fort Liberty (formerly Fort Bragg), North Carolina. Under the terms of this four-year contract, which was awarded as a base contract with three option years, Valiant will continue its exceptional facility modernization, operations, and maintenance services at Fort Liberty’s renowned Womack Army Medical Center (WAMC). Valiant will deliver multiple essential services, including operation, maintenance, repair, and facility management support tasks and functions for WAMC. The company will also leverage its expertise and deploy all necessary resources, including personnel, equipment, tools, vehicles, materials, supervision, subcontracts, and other items and services to ensure the smooth operation of the medical facility. “Valiant is proud to continue delivering sustainable, measurable value to Ft. Liberty through our commitment to operational excellence, continuous improvement, and achievement of the highest safety standards,” said Peter Capwell,General Manager of Valiant’s Mission Support business unit. “Valiant delivers integrated support solutions to some of the most advanced critical facilities and infrastructure worldwide. We specialize in providing predictive, conditions-based operations and maintenance solutions, and we take pride in delivering results that empower our customers to focus exclusively on their mission.” About Valiant Valiant empowers our customers’ most critical missions by training, equipping, protecting, sustaining, and supporting those who serve. Valiant’s 5,000 employees enable government departments and agencies, global peacekeepers, relief workers, and disaster response teams to complete their missions efficiently and effectively in some of the most complex environments worldwide. Valiant deploys expertise for customers in the areas of Training, Simulation, and Readiness; Critical Mission and Language Support; Advanced Logistics & Sustainment; Intelligence & Analysis Solutions; Global Contingency & Stability Operations; and Facility Modernization, Operations, and Maintenance. Valiant is based in Herndon, Va., and is a closely held corporation of GC Valiant LP, along with other shareholders. For more information, visit www.onevaliant.com , and follow Valiant on LinkedIn or Facebook . For media inquiries: Justin Garrison Sr. Director of Communications, Marketing & Strategy M: +1 864 607 5943 E: justin.garrison@onevaliant.com Previous All News Next

Ashlee Dominquez has joined Valiant as Senior Vice President of Integrated Counter Threat Solutions. In this role, Ashlee will lead Valiant’s mission-aligned Defense Threat Reduction, Intelligence, Engineering & Analysis, and Language portfolios. Ashlee Dominguez Joins Valiant as Senior Vice President of Integrated Counter Threat Solutions 14 May 2026 HERNDON, VA, May 4, 2026 – Ashlee Dominquez has joined Valiant as Senior Vice President of Integrated Counter Threat Solutions. In this role, Ashlee will lead Valiant’s mission-aligned Defense Threat Reduction, Intelligence, Engineering & Analysis, and Language portfolios. Ashlee arrives with over two decades of experience leading growth and operations across the Department of Defense and Intelligence Community specializing in capturing and executing large-scale programs, including logisticssupport, intelligence, surveillance, and target acquisition (ISR), and next-generation technologies.   “We are very excited to welcome Ashlee to a key role in the Valiant team. Ashelee brings a proven track record of teambuilding, growth, business expansion, and the delivery of strong operational results across complex global missions, “said Valiant Chief Executive Officer, Daniel Simms, “Ashlee understands our business, our customers, and the mission. In her position she will be focused on growing portfolios, strengthening customer relationships, and helping Valiant build a more scaled, differentiated capability in the counter-threat space.” About Valiant Valiant empowers our customers’ most critical missions by training, equipping, protecting, sustaining, and supporting those who serve. Valiant’s 4,500 employees enable government departments and agencies, global peacekeepers, relief workers, and disaster response teams to complete their missions efficiently and effectively in some of the most complex environments worldwide. Valiant deploys expertise for customers in the areas of Training, Simulation, and Readiness; Critical Mission and Language Support; Advanced Logistics & Sustainment; Intelligence & Analysis Solutions; Global Contingency & Stability Operations; and Facility Modernization, Operations, and Maintenance. Valiant is based in Herndon, VA and is a wholly owned subsidiary of GC Valiant LLC. For more information, visit  www.onevaliant.com , and follow Valiant on LinkedIn or Facebook . For media inquiries: Karen Leonard Vice President of Proposals and Communications M: +1 703 851 0008 E: karen.leonard@onevaliant.com Previous All News Next

Valiant's leaders come from a diverse range of backgrounds, with the experience necessary to lead our team of 5,000 employees to deliver high-quality, cost-efficient solutions for our customers. ENTERPRISE LEADERSHIP TEAM Valiant's corporate leaders come from a diverse range of backgrounds, with the experience necessary to lead our team of 4,100 employees to deliver high-quality, cost-efficient solutions for our customers. DANIEL SIMMS Chief Executive Officer KEVIN SULLIVAN Chief Financial Officer ASHLEE DOMINGUEZ Chief Growth Officer JULIE MANNING VP Enterprise Operations and Chief of Staff MERALIS PEREZ Human Resources BILL BLOCKER General Counsel JASON BELL Vice President and General Manager of Procurement, Logistics and Sustainment Board of Directors

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Valiant Integrated Services and The Valiant Foundation (also referred to as “the Foundation”) are excited to announce the inaugural Valiant Charity Golf Classic, which will be held on Oct. 27, 2022 at Lansdowne Golf Resort in Leesburg, Va., with a Pairings Party and Executive Cocktail Party to precede the event on Oct. 26. Valiant Announces Inaugural Valiant Charity Golf Classic 17 Aug 2022 HERNDON, Va., Aug. 17, 2022 – Valiant Integrated Services and The Valiant Foundation (also referred to as “the Foundation”) are excited to announce the inaugural Valiant Charity Golf Classic , which will be held on Oct. 27, 2022 at Lansdowne Golf Resort in Leesburg, Va., with a Pairings Party and Executive Cocktail Party to precede the event on Oct. 26. The Golf Classic will benefit the Valiant Foundation, a 501 (c) (3) which was founded in 2019 to provide financial support to veterans- and disaster relief-focused charitable agencies. All proceeds of the tournament will benefit the Foundation and these deserving causes. “We’re looking forward to hosting the first annual Valiant Charity Golf Classic and spending a great day on the golf course for a good cause,” Greg Foley, Valiant’s Vice President of Contracts and Executive Sponsor of the event, said. “In addition to the standard trophies and awards, we’ll also have a hole-in-one contest with a chance to win a new car, contests to win up to $5,000 cash, and a Pairings Party the evening before. This is a great way to give back, and we’re excited to support the Foundation and these important causes.” Individuals or companies who are interested in sponsoring or playing in the event can visit https://www.onevaliant.com/golf-classic or email golfclassic@onevaliant.com to learn more. “Valiant has a proud legacy of giving back to the causes our people are passionate about, and the Foundation will enable us to do even more for those in need,” John Hart, Valiant’s Chief Growth Officer and President of the Valiant Foundation, said. “We hope our friends, partners, and other stakeholders across the industry will join us at the first of many Valiant Charity Golf Classics.” About Valiant   Valiant empowers the world's most critical missions by training, equipping, protecting, sustaining, and supporting those who serve. Valiant's 5,000 employees enable government departments and agencies, global peacekeepers, relief workers, and disaster response teams to complete their missions efficiently and effectively in some of the most complex environments worldwide. Valiant is based in Herndon, Va., and deploys expertise for customers in the areas of Training, Simulation, and Readiness; Engineering and Analysis; Logistics and Sustainment; Mission and Contingency Operations; and Operations, Maintenance, and Management. For more information, visit  www.onevaliant.com , and follow Valiant on LinkedIn or Facebook.  About the Valiant Foundation The Valiant Foundation is a Virginia-registered 501 (c) (3) which was founded in 2019 to provide financial support to veterans- and disaster relief-focused charitable agencies. The Foundation is funded by contributions from Valiant, The GC Companies, individuals, and through fundraisers and other special events. For media inquiries: Justin Garrison Director of Marketing & Communications M: +1 864 607 5943 E: justin.garrison@onevaliant.com Previous All News Next

Valiant adds new leadership that positions company to grow by expanding its innovative, cost-effective approach in support of customers around the world. Valiant Integrated Services Announces Appointment of John Hart as Chief Growth Officer, Hector Alvarez and Kent Smith as General Managers 4 Oct 2021 Herndon, VA – Oct. 4, 2021 – Valiant Integrated Services , a leading government services provider empowering missions for the U.S. and its international partners, today announced the appointment of John Hart as the company’s new Chief Growth Officer effective Oct. 1, 2021. With over 25 years of experience in the government contracting industry, Hart will focus on sustaining and continuing organic growth to help unlock the company’s unlimited potential. Hart most recently served as Vice President of Business Development and Capture for Peraton’s Defense Solutions business. Further poised for continued growth, Valiant also announced a realignment of its business into two clearly defined verticals: Mission Support and Training and Readiness . These verticals more effectively align Valiant’s existing capabilities to position the company for continued growth. This change also reorganizes the new capabilities and programs Valiant added as part of its recent acquisition of Alliance Technical Services. Effective Oct. 1, 2021, Kent Smith leads the Mission Support vertical as General Manager and Senior Vice President after successfully leading and retooling Valiant’s operations and maintenance capabilities in the Base Operations Support (BOS), healthcare, construction, and other related markets. Smith has over 40 years of experience in the government services industry, including senior leadership roles at Fluor Corporation and Del-Jen. Smith’s expertise will be vital as Valiant prepares to aggressively pursue new work in the Mission Support space. Additionally, Hector Alvarez recently joined Valiant to lead the company’s Training and Readiness vertical as General Manager and Senior Vice President, effective Oct. 1, 2021. Alvarez most recently served as vice president and general manager of Lockheed Martin’s U.S. Special Operations Command’s Global Sustainment Support Services business. He has over 35 years of experience in various leadership roles of increasing responsibility at Lockheed Martin, PAE (a Lockheed Martin company), Hughes Aircraft, and General Electric. Alvarez brings a wealth of expertise, experience, and vision to Valiant, which will be instrumental as the company continues to expand its Training and Readiness business and capabilities. “John, Kent, and Hector all have extensive experience and excellent reputations in the government solutions space,” Dan Corbett, Valiant’s Chief Executive Officer, said. “Adding them to the Valiant leadership team positions us well to grow the company by expanding on our innovative, cost-effective approach in support of our customers around the world.” “We welcome and congratulate John, Hector, and Kent on their new roles,” added Mike Pilon, Valiant’s President. “With their experience bolstering our already strong teams, I firmly believe Valiant is well-positioned to be successful in the face of market consolidation and rapidly changing global conditions.” About Valiant Valiant empowers the world’s most critical missions by training, equipping, protecting, sustaining, and supporting those who serve. Valiant’s 5,000 associates enable government departments and agencies, global peacekeepers, relief workers, and disaster response teams to complete their missions efficiently and effectively in some of the most complex environments worldwide. Valiant deploys expertise for customers in the areas of Training, Simulation, and Readiness; Engineering and Analysis; Logistics and Sustainment; Mission and Contingency Operations; Operations, Maintenance, and Management; and Program Management. Valiant is based in Herndon, Va., and is a closely held corporation of GC Valiant LP, along with other shareholders. For more information, visit www.onevaliant.com , and follow Valiant on LinkedIn or Facebook . Previous All News Next

General Counsel < Back BILL BLOCKER General Counsel William (Bill) Blocker, General Counsel and Secretary of Valiant, is responsible for Valiant’s legal affairs and compliance team, including serving as counsel to its senior leadership. Bill joined Valiant in 2018 as an associate counsel. Prior to Valiant, Bill was the Deputy General Counsel for the State Health Office of the Florida Department of Health. Prior to that he was the Medicaid Finance and Health Systems Chief Counsel at the Agency for Health Care Administration (AHCA). He joined AHCA after serving 6 years as an Assistant State Attorney in the Second Judicial District of Florida. He spent four years on active duty as a U.S. Marine in the late 80’s and early 90’s. Since then, he has been active in the United States Marine Corps Reserve. He was also attached as a Sergeant to Royal Marines Reserve Bristol, UK. Bill has a Juris Doctor (J.D.) degree from Florida State University College of Law, a Master of Strategic Studies from the US Army War College, and a Bachelor of Arts in History from University of North Carolina (Chapel Hill). Bill lives in Reston with his wife Shannon.

Solutions Valiant delivers a diverse array of integrated, comprehensive life-cycle services for our customers. We’re not constrained by business lines or corporate silos. Our purpose is to empower your mission, utilizing the best people, tools, and processes across Valiant to get the job done right. Our Solutions Training, Simulation & Readiness Live, Virtual, Constructive Training Joint, Multinational Exercises & Wargaming Synthetic Training Integration Training Systems Operations & Maintenance Aviation Training & Readiness Range Operations & Support Services Multi-Service Based Management Information System (MIS) Learn More Critical Mission & Language Support Cooperative Threat Reduction & Mission Assurance Integrated Logistics & Operations Management CBRNE Training & Support Embedded Linguist Support Interpretation, Translation, Transcription, & Localization Learn More Advanced Logistics & Sustainment Integrated Supply Chain Management Facility Management Services Global Procurement Warehouse, Storage, & Distribution Center Management Total Equipment Management Processes Learn More Global Contingency & Stability Operations Disaster Management & Humanitarian Assistance Contingency Operations Support Life Support Services Foreign Military Sales Training & Services Learn More Facility Operations & Maintenance Base Operations Support Services Facilities Maintenance & Repair Launch Support Services Chemical Management Services Construction Management Learn More Intelligence & Analytics Solutions Intelligence Surveillance & Reconnaissance (ISR) Electronic Warfare & Electromagnetics Artificial Intelligence Undersea Warfare Joint Training, Exercise Planning & Wargaming Learn More Our Solutions Training, Simulation & Readiness Live, Virtual, Constructive Training Joint, Multinational Exercises & Wargaming Synthetic Training Integration Training Systems Operations & Maintenance Aviation Training & Readiness Range Operations & Support Services Multi-Service Based Management Information System (MIS) Learn More Critical Mission & Language Support Cooperative Threat Reduction & Mission Assurance Integrated Logistics & Operations Management CBRNE Training & Support Embedded Linguist Support Interpretation, Translation, Transcription, & Localization Learn More Advanced Logistics & Sustainment Integrated Supply Chain Management Facility Management Services Global Procurement Warehouse, Storage, & Distribution Center Management Total Equipment Management Processes Learn More Global Contingency & Stability Operations Disaster Management & Humanitarian Assistance Contingency Operations Support Life Support Services Foreign Military Sales Training & Services Learn More Intelligence & Analytics Solutions Intelligence Surveillance & Reconnaissance (ISR) Electronic Warfare & Electromagnetics Artificial Intelligence Undersea Warfare Joint Training, Exercise Planning & Wargaming Learn More

Valiant Integrated Defense Services today announced the appointment of Ashlee Dominguez as Chief Growth Officer, effective September 14, 2026. Ashlee Dominguez Named Chief Growth Officer of Valiant Integrated Defense Services 8 Sept 2026 HERNDON, Va., September 8, 2026 — Valiant Integrated Defense Services today announced the appointment of Ashlee Dominguez as Chief Growth Officer, effective September 14, 2026. Ashlee brings more than two decades of experience in growth, business development, and operational leadership across the national security market. Most recently, she led Valiant’s Intelligence Business Unit, where she developed a deep understanding of the company’s customers, capabilities, missions, and people. “Ashlee is a visionary and mission-focused leader who combines strategic thinking with the ability to translate strategy into action,” said Daniel Simms, Chief Executive Officer of Valiant . “She understands that sustainable growth starts with our customers and the missions we support. Her combination of operational leadership, customer insight, and growth experience makes her uniquely positioned to bring our capabilities together across the enterprise, sharpen our focus on the markets where Valiant can differentiate and win, and lead the next phase of our growth.” As Chief Growth Officer, Ashlee will lead Valiant’s enterprise growth strategy, advancing organic and acquisitive growth across the company’s core national security markets. She will focus on strengthening Valiant’s market position, expanding its capabilities, and driving the company’s long-term growth plan. “Valiant has extraordinary people, differentiated capabilities, and a mission that matters,” said Ashlee. “I am excited to build on that foundation and work across our enterprise to create a more integrated, disciplined approach to growth. Our focus will be on understanding our customers’ most important challenges, bringing the best of Valiant to those missions, and pursuing the opportunities where we can deliver meaningful value and win.” Ashlee’s appointment reflects Valiant’s continued focus on strengthening its growth capabilities and positioning the company for long-term success across the national security market. Previous All News Next

Valiant announced today that is has been awarded a $2.4M contract by the NATO Support and Procurement Agency (NSPA) to continue providing linguist, translation, and interpretation services for the Canadian Armed Forces (CAF) in the Joint Operational Area of the Middle East. Our linguists will translate and interpret written documents and verbal conversations between English and local dialects. Valiant Government Services Awarded $2.4M Contract to Support the Canadian Armed Forces for the NATO Support and Procurement Agency 17 Jul 2025 HERNDON, VA, July 17, 2025 –  Valiant announced today that is has been awarded a $2.4M contract by the NATO Support and Procurement Agency (NSPA) to continue providing linguist, translation, and interpretation services for the Canadian Armed Forces (CAF) in the Joint Operational Area of the Middle East. Our linguists will translate and interpret written documents and verbal conversations between English and local dialects. “Valiant is proud to continue supporting the NSPA and Canadian Armed Forces as their trusted linguist and translation partner,” said Mike Devoto, Valiant’s Chief Executive Officer. “As a company that provides over 100 languages and dialects, Valiant will deliver precise language solutions to ensure clear and effective communication across the CAF landscape.” About Valiant Valiant empowers our customers’ most critical missions by training, equipping, protecting, sustaining, and supporting those who serve. Valiant’s 4,500 employees enable government departments and agencies, global peacekeepers, relief workers, and disaster response teams to complete their missions efficiently and effectively in some of the most complex environments worldwide. Valiant deploys expertise for customers in the areas of Training, Simulation, and Readiness; Critical Mission and Language Support; Advanced Logistics & Sustainment; Intelligence & Analysis Solutions; Global Contingency & Stability Operations; and Facility Modernization, Operations, and Maintenance. Valiant is based in Herndon, VA and is a closely held corporation of GC Valiant LLC. For more information, visit  www.onevaliant.com , and follow Valiant on LinkedIn or Facebook . For media inquiries: Karen Leonard Vice President of Proposals and Communications M: +1 703 851 0008 E: karen.leonard@onevaliant.com Previous All News Next