KBR Earns Recognition from Amazon Web Services for Expertise in Cloud Migration

HOUSTON, December 17, 2025 - KBR (NYSE: KBR) announced today that it has earned the Amazon Web Services (AWS) Migration Competency, a recognition of the company's expertise in cloud migration. Achieving this status required a rigorous evaluation of KBR's proficiency in helping customers plan and migrate workloads on AWS.

KBR can help customers leverage the AWS Migration Acceleration Program (MAP), using proven methods to reduce risk, optimize cost and accelerate cloud adoption.

"Achieving the AWS Migration Competency highlights our ability to modernize mission-critical systems securely and without disruption, keeping the technology our customers rely on up to date," said Mark Kavanaugh, KBR's President, Defense, Intel and Space. "It also validates our capabilities to deliver the largest and most complex cloud migrations for the public sector, reinforcing the trust our customers place in us."

The AWS Migration Competency is awarded to AWS Partner Network members that demonstrate deep technical proficiency and a strong track record of delivering cloud migration solutions that help organizations move workloads efficiently, safely and at scale. This recognition underscores KBR's commitment to enabling digital transformation for government customers through reliable, flexible and cost-optimized cloud solutions.

Through the AWS MAP, KBR provides a structured, proven approach to help customers transition to the cloud efficiently and with reduced risk. Customers benefit from:

• Comprehensive Migration Planning: Assessment, readiness and strategy aligned with business objectives.
• Cost Optimization: Leveraging the AWS MAP funding program and Financial Operations (FinOps) best practices to maximize savings.
• Secure Modernization: Deploying workloads in AWS GovCloud and commercial regions with compliance frameworks.

KBR's cloud migration portfolio also includes petabyte-scale data transitions, modernization of mission-critical systems and implementation of Development, Security and Operations and FinOps practices for federal and enterprise clients. As an AWS Advanced Tier Partner, KBR provides access to certified specialists with decades of combined experience, helping customers accelerate digital transformation securely and efficiently.

Learn more about how KBR helps customers modernize and manage critical IT systems.

About KBR

We deliver science, technology and engineering solutions to governments and companies around the world. KBR employs approximately 37,000 people worldwide with customers in more than 80 countries and operations in over 29 countries. KBR is proud to work with its customers across the globe to provide technology, value-added services, and long-term operations and maintenance services to ensure consistent delivery with predictable results. At KBR, We Deliver.

Visit www.kbr.com

Forward Looking Statements

The statements in this press release that are not historical statements, including statements regarding cloud migration expertise and critical IT systems services, are forward-looking statements within the meaning of the federal securities laws. These statements are subject to numerous risks, uncertainties and assumptions, many of which are beyond the company's control, that could cause actual results to differ materially from the results expressed or implied by the statements. These risks, uncertainties and assumptions include, but are not limited to, those set forth in the company's most recently filed Annual Report on Form 10-K, any subsequent Form 10-Qs and 8-Ks and other U.S. Securities and Exchange Commission filings, which discuss some of the important risks, uncertainties and assumptions that the company has identified that may affect its business, results of operations and financial condition. Due to such risks, uncertainties and assumptions, you are cautioned not to place undue reliance on such forward-looking statements, which speak only as of the date hereof. Except as required by law, the company undertakes no obligation to revise or update publicly any forward-looking statements for any reason.

For further information, please contact:

Investors

Jamie DuBray

Vice President, Investor Relations 713-753-5082 [email protected]

Media

Philip Ivy
Vice President, Global Communications and Marketing
713-753-3800
[email protected]