Year-to-date 2026 results include over $14 million in new work across 86 client engagements, while Onterris grant-writing support helped clients secure over $20 million in EPA Brownfields Grant funding

Onterris (NYSE: ONT) a global environmental solutions company solving complex challenges for planet and progress, today announced strong year-to-date 2026 momentum in its Brownfields & Community Revitalization practice, securing 86 client engagements across the United States, including over $14 million in new work and generating nearly $5 million in revenue through July. Separately, the team’s grant-writing support helped clients secure more than $20 million in FY2026 EPA Brownfield Grant awards, helping advance future redevelopment projects while creating meaningful pipeline opportunities for Onterris. When grant applications supported by the team are successfully awarded, Onterris is selected to implement the resulting projects approximately 85% of the time, demonstrating the value of its integrated approach from funding strategy through project delivery.

Onterris partners with federal, Tribal, state and local organizations to address complex redevelopment challenges and transform legacy environmental sites into productive assets that support economic growth, community resilience and long-term value creation. These year-to-date results reflect continued demand for the Company’s integrated brownfields capabilities across the redevelopment lifecycle, including funding strategy, grant application management and implementation, Phase I and Phase II environmental site assessments, laboratory analytical and data management services, reuse planning, remediation and long-term stewardship. The Company continues to secure work across both federal EPA programs and state brownfields initiatives, demonstrating the strength and diversification of its market position.

“Our clients are looking for partners who can navigate increasingly complex redevelopment challenges and deliver outcomes that create lasting value,” said Vijay Manthripragada, President and Chief Executive Officer of Onterris. “These new awards demonstrate the strength of our technical expertise, client relationships and ability to support communities throughout the brownfields redevelopment process.”

These projects supported clients across the Company’s Mid-Atlantic and Northeast markets, including Delaware, Maryland, Pennsylvania, New Jersey, New York, Vermont, and West Virginia. The work also expanded the firm's presence in key growth markets such as Florida, Georgia, Tennessee, and Wisconsin, while delivering strategic engagements in Alaska, California, and Washington. Notable projects included nearly $3 million in EPA-funded implementation work for multiple Alaska Native Corporations, redevelopment support for the Downtown Dover Partnership in Delaware and Wayne County, New York, and additional community revitalization efforts nationwide. Collectively, these engagements underscore the Company's ability to leverage environmental expertise, funding strategy, and program delivery capabilities to help communities transform underutilized properties into catalysts for economic growth and redevelopment.

As investment in the redevelopment of brownfields continues nationwide, Onterris is positioned to help organizations unlock the value of underutilized properties while advancing resilient communities and responsible progress. Hear firsthand from our clients about the impact of our partnership and how we've helped advance redevelopment and community revitalization efforts in their communities.

About Onterris

Onterris is a global environmental solutions company partnering with organizations to solve complex challenges where environmental pressures, regulatory expectations and operational risks intersect. Guided by our mission to advance the way of life without compromising the integrity of our environment, we believe environmental responsibility and human progress are fundamentally connected. Our scientists, engineers, field teams and consultants apply systems thinking that unite science, data and practical expertise to deliver solutions that strengthen our clients’ resilience, mitigate risk and help protect the air, water and soil that sustain communities, while uncovering responsible paths forward for planet and progress. For more information, visit Onterris.com.

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“Our clients are looking for partners who can navigate increasingly complex redevelopment challenges and deliver outcomes that create lasting value,” said Vijay Manthripragada, President and Chief Executive Officer of Onterris.