AECOM (NYSE:ACM), the trusted global infrastructure leader, today announced it was awarded a position on the U.S. Missile Defense Agency's Scalable Homeland Innovative Enterprise Layered Defense (SHIELD) indefinite-delivery/indefinite-quantity contract. With a ceiling of $151 billion, the contract encompasses a broad range of work areas that allow for the rapid delivery of innovative capabilities with increased speed and agility.

"This award reinforces the trust that our federal government partners place in AECOM to deliver mission-critical projects that help bolster our national security," said Karl Jensen, executive vice president of AECOM's National Governments business. "We are excited to support this once-in-a-generation program to modernize defense infrastructure across the United States."

The SHIELD contract covers a full spectrum of professional services for facility modernization, supporting operational readiness of the Agency's critical defense infrastructure. Aligned with the Agency's strategic priorities, AECOM's team will build on more than 100 years of experience delivering innovative solutions in support of defense programs. The Company has provided integrated services, from planning and design through construction management, to support defense infrastructure at numerous sites across the globe.

About AECOM

AECOM (NYSE:ACM) is the global infrastructure leader, committed to delivering a better world. As a trusted professional services firm powered by deep technical abilities, we solve our clients' complex challenges in water, environment, energy, transportation and buildings. Our teams partner with public- and private-sector clients to create innovative, sustainable and resilient solutions throughout the project lifecycle – from advisory, planning, design and engineering to program and construction management. AECOM is a Fortune 500 firm that had revenue of $16.1 billion in fiscal year 2025. Learn more at aecom.com.

Forward-Looking Statements

All statements in this communication other than statements of historical fact are "forward-looking statements" for purposes of federal and state securities laws, including any statements of the plans, strategies and objectives for future operations, profitability, strategic value creation, capital allocation strategy including stock repurchases, risk profile and investment strategies, and any statements regarding future economic conditions or performance, and the expected financial and operational results of AECOM. Although we believe that the expectations reflected in our forward-looking statements are reasonable, actual results could differ materially from those projected or assumed in any of our forward-looking statements. Important factors that could cause our actual results, performance and achievements, or industry results to differ materially from estimates or projections contained in our forward-looking statements include, but are not limited to, the following: our business is cyclical and vulnerable to economic downturns and client spending reductions; government shutdowns or other funding circumstances that cause governmental agencies to modify, curtail or terminate our contracts; losses under fixed-price contracts; limited control over operations that run through our joint venture entities; liability for misconduct by our employees or consultants; failure to comply with laws or regulations applicable to our business; maintaining adequate surety and financial capacity; potential high leverage and inability to service our debt and guarantees; our capital allocation strategy, including ability to continue payment of dividends and stock repurchases; exposure to political and economic risks in different countries, including tariffs, geopolitical events, and conflicts; currency exchange rate and interest fluctuations; retaining and recruiting key technical and management personnel; legal claims; inadequate insurance coverage; environmental law compliance and adequate nuclear indemnification; unexpected adjustments and cancellations related to our backlog; partners and third parties who may fail to satisfy their legal obligations; managing pension costs; AECOM Capital real estate development projects; cybersecurity issues, IT outages and data privacy; risks associated with the benefits and costs of the sale of our Management Services and self-perform at-risk civil infrastructure, power construction and oil and gas businesses, including the risk that any purchase adjustments from those transactions could be unfavorable and result in any future proceeds owed to us as part of the transactions could be lower than we expect; risks associated with strategic initiatives, including AI investments and potential acquisitions and divestitures; as well as other additional risks and factors that could cause actual results to differ materially from our forward-looking statements set forth in our reports filed with the Securities and Exchange Commission. Any forward-looking statements are made as of the date hereof. We do not intend, and undertake no obligation, to update any forward-looking statement.

View source version on businesswire.com: https://www.businesswire.com/news/home/20260319417152/en/

Media Contact:

Brendan Ranson-Walsh

Global Head of Communications

1.213.996.2367

Brendan.Ranson-Walsh@aecom.com

Investor Contact:

Will Gabrielski

Senior Vice President, Finance, Treasurer

1.213.593.8208

William.Gabrielski@aecom.com

AECOM awarded position on $151-billion U.S. MDA SHIELD contract