50 slides from Sterling Infrastructure's sustainability presentation, Apr 8, 2026
Slide 1: Building Tomorrow Today: 2026 Sustainability Report
Building Tomorrow Today 2026 Sustainability Report THE STERLING WAY
Slide 2: Table of Contents
Corporate GovernanceIntroduction Safety Planet AppendixPeople The Sterling Way | Sustainability Report 2026 1 3 About Sterling 4 Awards and Industry Recognition 6 Messages from Our Leaders 11 The Sterling Way 12 Sustaining Our Commitment 13 Forging a Sustainable Future 15 A Foundation of Integrity a
Slide 3: Introduction
In This Section Introduction v About Sterling . . . . . . . . . . . . . . . . . . . . . 3 Awards and Industry Recognition . . . . 4 Messages from Our Leaders . . . . . . . . . 6 The Sterling Way . . . . . . . . . . . . . . . . . . 11 Sustaining Our Commitment . . . . . . . 12 Forging a Sustainable F
Slide 4: About Sterling
Joe Cutillo, Chief Executive Officer Sterling operates through a variety of subsidiaries within three segments specializing in E-Infrastructure, Transportation and Building Solutions in the United States, primarily across the Southern, South-Central, Northeastern, Mid-Atlantic and Rocky Mountain reg
Slide 5: Awards and Industry Recognition
#11 Most Successful Mid-Cap Companies #38 Chronicle 100 Some of the most recent awards Sterling and Sterling subsidiaries have received: • Chronicle 100, publicly traded companies in the Houston area ranked using performance criteria (total revenue, annual growth in earnings per share, annual reven
Slide 6: Awards: Project and Safety Awards
Banicki Construction, Inc. 2025 ACPA Project Achievement Award CMAR: Schultz Creek Drainage Improvements at US-180 2025 APWA Project of the Year Award, Disaster/ Emergency Repair Category CMAR: Schultz Creek Drainage Improvements at US-180 2025 APWA Project of the Year Award, SCRC Transportation Cat
Slide 7: A Message from Our Chief Executive Officer
32% Adjusted Revenue growth(1) 47% Adjusted EBITDA increase in 2025(1) 53% Adjusted EPS growth(1) $440m Operating cash flow generation $100m Net cash position at 12/31/2025(2) Messages from Our Leaders A Message from Our Chief Executive Officer, Joe Cutillo At Sterling Infrastructure, we build the c
Slide 8: Message from Our Chief Operating Officer
As Chief Operating Officer, my priority is ensuring that Sterling’s operations remain aligned with our long-term strategy while consistently delivering safe, high-quality results for our customers. Operational excellence is fundamental to our ability to grow and compete as a leading infrastructure s
Slide 9: Message from Our Chief Information Officer
Sterling’s information systems and technology are essential to operational effectiveness, business growth, and data protection. As the organization evolves, maintaining secure, reliable, and resilient systems while delivering scalable, transformative technologies remains critical to achieving our st
Slide 10: Message from Vice President of Investor Relations
As Vice President of Investor Relations, my focus is on fostering long-term, constructive relationships with our investors and broader stakeholder community through consistent, thoughtful engagement. At Sterling, we view effective communication as a core responsibility, one that supports informed de
Slide 11: Message on Safety
Safety remains at the core of everything we do at Sterling. Our people are our greatest asset, and our commitment to protecting them, and the communities where we work, guides the decisions we make on our projects and across our organization. Creating and sustaining a safe work environment is fundam
Slide 12: The Sterling Way: Sustainability Efforts Since 2020
2020 2021 2022 2023 2024 20262025 The Sterling Way—An Integral Part of Our Culture Sustainability Efforts Since 2020 COVID-19 Response Sustainability, a core strategic item on Board’s agenda Sustainability lead role added, reporting to CEO and CFO with direct line to BOD Sustainability-related risks
Slide 13: UN Sustainable Development Goals Alignment
SDG 2: Zero Hunger End hunger, achieve food security and improved nutrition and promote sustainable agriculture • People: Supporting Our Communities, New and Ongoing Sponsorship and Support SDG 3: Good Health and Well-Being Ensure healthy lives and promote well-being for all at all ages • People:
Slide 14: Forging a Sustainable Future
Forging a Sustainable Future We build and service the infrastructure that enables our economy to run, our people to move and our country to grow. Across the diverse projects we deliver, from mission-critical site development and transportation infrastructure to residential and commercial constructio
Slide 15: Corporate Governance
Corporate GovernanceIntroduction Safety Planet AppendixPeople The Sterling Way | Sustainability Report 2026 14 In This Section Corporate Governance A Foundation of Integrity and Transparency . . . . . . . . . . . . . . . . . 15 Ethics and Compliance . . . . . . . . . . . . 16 Risk Management . . . .
Slide 16: A Foundation of Integrity and Transparency
Corporate GovernanceIntroduction Safety Planet AppendixPeople The Sterling Way | Sustainability Report 2026 15 We uphold governance practices that foster integrity, accountability, and thoughtful decision-making in support of our stakeholders and the long-term success of our business. Board Governan
Slide 17: Ethics and Compliance
Corporate GovernanceIntroduction Safety Planet AppendixPeople The Sterling Way | Sustainability Report 2026 16 At Sterling, we are committed to conducting our business in accordance with the highest ethical, legal and professional standards. Through clear communication, ongoing education and targete
Slide 18: Risk Management: Cybersecurity
Corporate GovernanceIntroduction Safety Planet AppendixPeople The Sterling Way | Sustainability Report 2026 17 Cybersecurity Risk Management and Strategy Our cybersecurity program adheres to recognized industry standards, notably the National Institute of Standards and Technology (NIST) cybersecurit
Slide 19: Board Risk Oversight
Corporate GovernanceIntroduction Safety Planet AppendixPeople The Sterling Way | Sustainability Report 2026 18 Our board of directors as a whole is responsible for risk oversight, with reviews of certain areas being conducted by the relevant board committees that report to the full board. In its ris
Slide 20: Safety
Introduction Safety Planet AppendixPeople Corporate Governance The Sterling Way | Sustainability Report 2026 19 In This Section Safety It All Starts with Safety . . . . . . . . . . . . . . 20 Employee Protection and Safety Guidance . . . . . . . . . . . . . . . . . . 21 Innovation and Improvement .
Slide 21: It All Starts with Safety
Introduction Safety Planet AppendixPeople Corporate Governance The Sterling Way | Sustainability Report 2026 20 Safety KPIs FY19 FY20 FY21 FY22 FY23 FY24 FY25 Total Recordable Incident Rate (TRIR) 1.51 0.92 0.53 0.58 0.72 0.42 0.46 Lost Time Incident Rate (LTIR) 0.18 0.13 0.07 0.13 0.12 0.06 0.14 Da
Slide 22: Employee Protection and Safety Guidance
Introduction Safety Planet AppendixPeople Corporate Governance The Sterling Way | Sustainability Report 2026 21 Employee Protection and Safety Guidance Our systems are continually evolving, allowing us to proactively and effectively mitigate and manage risk in our work environment. A key component o
Slide 23: Safety Training and Starting Safety Early
Introduction Safety Planet AppendixPeople Corporate Governance The Sterling Way | Sustainability Report 2026 22 Providing quality training is a core component of safety success. Our training programs are designed to interact with our employees and develop engagement during the learning opportunity,
Slide 24: People
Introduction Planet AppendixPeople Corporate Governance Safety The Sterling Way | Sustainability Report 2026 23 In This Section People People, Our Most Precious Resource . . . . . . . . . . . . . . . . . . . . . . . . . 24 A Holistic Approach to Employee Health and Wellness . . . . . . . . . . . . .
Slide 25: People, Our Most Precious Resource
Introduction Planet AppendixPeople Corporate Governance Safety The Sterling Way | Sustainability Report 2026 24 At Sterling, we are committed to actions that support and protect human life. We continue working toward a more sustainable and ethical future by prioritizing the health, safety and well-b
Slide 26: A Holistic Approach to Employee Health and Wellness
Introduction Planet AppendixPeople Corporate Governance Safety The Sterling Way | Sustainability Report 2026 25 Sterling provides employees with comprehensive programs and benefits designed to support physical, mental and emotional well-being. We encourage a healthy work-life balance and promote ove
Slide 27: Developing Future Leaders: Sterling Academy
Introduction Planet AppendixPeople Corporate Governance Safety The Sterling Way | Sustainability Report 2026 26 Sterling Academy Established in 2021, Sterling Academy is a week-long, company-paid leadership development program that has run annually since 2023. The program includes dedicated schools
Slide 28: CEC University
Introduction Planet AppendixPeople Corporate Governance Safety The Sterling Way | Sustainability Report 2026 27 CEC University partners with CEC University The CEC University mission is to elevate the learning experience for every CEC employee by fostering an environment of innovation, growth and sa
Slide 29: Training Approach and Framework
Introduction Planet AppendixPeople Corporate Governance Safety The Sterling Way | Sustainability Report 2026 28 Training Approach and Framework Plateau’s heavy equipment operator training program is tailored to field conditions and informed by Caterpillar VisionLink fault code data, in-field observa
Slide 30: Investing in Future Generations
Introduction Planet AppendixPeople Corporate Governance Safety The Sterling Way | Sustainability Report 2026 29 Sterling supports access to quality education and encourages lifelong learning through meaningful partnerships with universities, trade schools, local high schools, primary schools and edu
Slide 31: Supporting Our Communities
Introduction Planet AppendixPeople Corporate Governance Safety The Sterling Way | Sustainability Report 2026 30 Ralph L. Wadsworth Since 2016, RLW’s Colorado Division has supported local nonprofit organizations by contributing its specialized skills and resources to community projects. These efforts
Slide 32: New and Ongoing Sponsorships and Support
Introduction Planet AppendixPeople Corporate Governance Safety The Sterling Way | Sustainability Report 2026 31 New and Ongoing Sponsorships and Support First Year Plateau Heart of Alabama Food Bank. Our team in Montgomery helped reach the goal of raising 25,000 meals and 1,000 lbs of food for The H
Slide 33: Community Sponsorships: Third and Fourth Year
Introduction Planet AppendixPeople Corporate Governance Safety The Sterling Way | Sustainability Report 2026 32 Third Year Ralph L. Wadsworth RLW supports the Northern Utah Trafficking Intervention Coalition (NUTIC) with donations and resources in their vital mission to raise awareness, provide educ
Slide 34: Planet
Introduction Planet Appendix Corporate Governance Safety People The Sterling Way | Sustainability Report 2026 33 In This Section Planet Protecting Our Environment Starts Before Construction Even Begins . . . . . . . . 34 Applying Technology to Reduce Environmental Impacts . . . . . . . . . . . . . .
Slide 35: Protecting Our Environment Starts Before Construction
Introduction Planet Appendix Corporate Governance Safety People The Sterling Way | Sustainability Report 2026 34 Sterling maintains an Environmental Program designed to support responsible construction practices and compliance with applicable environmental laws and regulations. The program establish
Slide 36: Applying Technology to Reduce Environmental Impacts
Introduction Planet Appendix Corporate Governance Safety People The Sterling Way | Sustainability Report 2026 35 Applying Technology to Reduce Environmental Impacts Construction equipment and fleet operations represent the primary sources of operational emissions associated with Sterling’s work. The
Slide 37: Building Information Modeling (BIM)
Introduction Planet Appendix Corporate Governance Safety People The Sterling Way | Sustainability Report 2026 36 Building Information Modeling (BIM) Plateau Plateau is redefining how underground utilities are delivered by connecting BIM and VDC directly to field execution. Constructible 3D models ar
Slide 38: Sustainable Investments: Fleet Expansion
Introduction Planet Appendix Corporate Governance Safety People The Sterling Way | Sustainability Report 2026 37 Fleet Expansion 2024 2025 Plateau 60 Tier 4 final machines 142 Tier 4 final machines 5 commercial (on-highway) trucks 9 commercial (on-highway) trucks Petillo 8 Tier 4 final machines 8 Ti
Slide 39: Water Infrastructure and Environmentally Responsible Projects
Introduction Planet Appendix Corporate Governance Safety People The Sterling Way | Sustainability Report 2026 38 Ralph L. Wadsworth • Provo River Water Treatment Facility: Construction of a state-of-the-art water treatment facility designed to enhance water quality, safeguard public health and supp
Slide 40: Projects in Environmentally Sensitive Areas
Introduction Planet Appendix Corporate Governance Safety People The Sterling Way | Sustainability Report 2026 39 Banicki The Stadium Trail Phase II project delivered a critical segment of Peoria’s regional trail network by constructing a new multi-use pathway and installing a 140-foot prefabricated
Slide 41: Responsible Land Clearing and On-Site Material Reuse
Introduction Planet Appendix Corporate Governance Safety People The Sterling Way | Sustainability Report 2026 40 Across projects, materials such as concrete pavement, asphalt, rock, and steel are commonly reused in roadway base, structural fill, or erosion control applications. For example, on recen
Slide 42: Appendix
Introduction Appendix Corporate Governance Safety People Planet The Sterling Way | Sustainability Report 2026 41 In This Section Appendix Plateau Excavation (E-Infrastructure Solutions) project site About This Report . . . . . . . . . . . . . . . . . . . . . . . . 42 Reconciliation Tables . . . . .
Slide 43: About This Report: Important Information for Investors
Introduction Appendix Corporate Governance Safety People Planet The Sterling Way | Sustainability Report 2026 42 Important Information for Investors and Stockholders Non-GAAP Measures This report contains “Non-GAAP” financial measures as defined under Regulation G of the amended U.S. Securities Exch
Slide 44: Reconciliation Tables
Introduction Appendix Corporate Governance Safety People Planet The Sterling Way | Sustainability Report 2026 43 Twelve Months Ended December 31, 2025 2024 Net income attributable to Sterling common stockholders $290,153 $257,461 Gain on deconsolidation of subsidiary, net — (91,289) Non-cash stock-b
Slide 45: Sterling Internal and External Stakeholders
Introduction Appendix Corporate Governance Safety People Planet The Sterling Way | Sustainability Report 2026 44 Achieving a sustainable and resilient future requires ongoing engagement with our stakeholders and an understanding of the topics that matter most to them. Sterling regularly engages with
Slide 46: Our Actions and Initiatives
Introduction Appendix Corporate Governance Safety People Planet The Sterling Way | Sustainability Report 2026 45 Operational Efficiency & Emissions Management (Appendix Summary) Emissions Management by Scope Current Practices Areas Under Evaluation Increase the proportion of Tier 4 Final equipment t
Slide 47: SASB Framework: Engineering and Construction Services
Introduction Appendix Corporate Governance Safety People Planet The Sterling Way | Sustainability Report 2026 46 SASB Framework: Engineering and Construction Services Topic Accounting Metric Category Unit of Measure Codified Metric Code Disclosure Environmental Impacts of Project Development Number
Slide 48: TCFD Recommended Disclosures
Introduction Appendix Corporate Governance Safety People Planet The Sterling Way | Sustainability Report 2026 47 Disclosure Reference (a) Describe the board's oversight of climate-related risks and opportunities. Proxy Statement, Board’s Role in Oversight of Risk Management section, Corporate Govern
Slide 49: Sustainability Reporting Roadmap
Introduction Appendix Corporate Governance Safety People Planet The Sterling Way | Sustainability Report 2026 48 The following provides an overview of Sterling’s ongoing corporate initiatives and the continued evolution of our sustainability reporting efforts. As part of our long-term growth strateg
Slide 50: www.strlco.com/sustainability
www.strlco.com/sustainability Ralph L. Wadsworth (Transportation Solutions) project site