Arcosa Publishes 2023 Sustainability Report

Arcosa, Inc. (NYSE: ACA) ("Arcosa," the "Company," "We," or "Our,"), a provider of infrastructure-related products and solutions, today published its 2023 Sustainability Report, which can be found at www.arcosa.com/sustainability.

Overview

Our 2023 Sustainability Report highlights foundational elements of the sustainability program at Arcosa. We provide insights into our sustainability strategy, governance structure, and people-focused programs and initiatives at our Company. At Arcosa, we view our sustainability journey as a continuum and our 2023 report expands on our emissions tracking, environmental metrics, disclosures, and conservation initiatives. We also highlight our many products that contribute to a more sustainable future.

Antonio Carrillo, President and Chief Executive Officer, notes, "Reflecting over the past five years when we set out on our journey, we have made significant progress embedding sustainability into the fabric of our corporate culture."

Carrillo continued, "I am pleased to share with you our 2023 Sustainability Report, the fourth annual installment highlighting the great work taking place at Arcosa. With business-focused sustainability efforts, we believe we can translate daily actions into long-term success for our Company and its stakeholders."

2023 Highlights

• Greenhouse Gas ("GHG") Emissions: In 2023, our Scope 1 and 2 GHG emissions intensity (MTC02e/$ Million Revenues) reflected a 17% decline compared to our 2020 baseline, tracking ahead of our 2026 goal. We continue to plan for future GHG Emissions reduction activities.

• Water Efficiency: Arcosa's overall water consumption decreased year over year, with a 22% improvement in water intensity (kilogallons/$ Million Revenues) driven by continued conservation efforts.

• Safety: Arcosa prioritizes high safety standards across our operations. In 2023, lost workdays due to injuries declined more than 60% year-over-year. ARC 100, now in its fourth year, continues to drive a positive and proactively engaged culture of safety excellence that enhances safety progress and awareness throughout the Company.

• Employee Engagement: Arcosa launched its second Employee Engagement Survey in 2023. With a 55% response rate and an overall favorable company rating, we consider the survey a success as we work to understand and respond to the needs of our employees.

• Community Impact: Arcosa's continues to support education in the communities where we live and work, with investment made to elevate families, kids, and teens to a higher likelihood of completing school and entering the workforce. Our 2023 Report highlights a selection of education-related efforts and other important community-focused work driven by our people and plants.

About Arcosa

Arcosa, Inc., headquartered in Dallas, Texas, is a provider of infrastructure-related products and solutions with leading positions in construction, engineered structures, and transportation markets. Arcosa reports its financial results in three principal business segments: Construction Products, Engineered Structures, and Transportation Products. For more information, visit www.arcosa.com.