Sterling Infrastructure, Inc. · NASDAQ:STRL

Sterling Infrastructure — William Blair 45th Annual Growth Stock Conference (June 2025)

34 slides from Sterling Infrastructure's conference presentation, June 2025

  1. Slide 1: Investor Presentation

    Investor Presentation William Blair 45th Annual Growth Stock Conference We build and service the infrastructure that enables our economy to run, our people to move and our country to grow.

  2. Slide 2: DISCLOSURE: Forward-Looking Statements

    DISCLOSURE: Forward-Looking Statements This presentation contains, and the officers and directors of the Company may from time to time make, statements that are considered forward-looking statements within the meaning of the Securities Act of 1933 and the Securities Exchange Act of 1934. These forwa

  3. Slide 3: Key Takeaways

    Sterling, A Leading Infrastructure Services Provider • Focused on high-margin growth, strategic market expansion and operational excellence Transformation Built the Foundation for Success • Disciplined approach to project selection and resource allocation, prioritizing high-margin, high-return oppor

  4. Slide 4: A Leading Infrastructure Services Provider

    STERLING, A Leading Infrastructure Services Provider Through high-value service and low execution risk, we are building the infrastructure foundation needed today for tomorrow's way of life $5.77 $2.12 15.1% $329 BILLION Market Cap BILLION 2024 Revenue 2024 Adjusted EBITDA Margin MILLION 3/31/25 Net

  5. Slide 5: Strategic Elements as the Foundation for Success

    Strategic Elements as the Foundation for Success The key pillars of our strategy remain our guide as we look to the future Grow High-Margin Expand Into Solidify the Base Products and Services Adjacent Markets • Improved bid discipline • Concentrated focus on • Acquisition targets with • Reduced risk

  6. Slide 6: Transformation: Built the Foundation for Success

    TRANSFORMATION Built the Foundation for Success 2015 – 2019: Strategic Transformation 2020 +: Leveraging the Platform 12.5% 2,500 12% 10.4% 2,000 9.0% 10% 7.5% 7.6% 1,500 8% Operating margin %* Revenue ($ millions)* 6% 1,000 4.0% 3.4% 4% 500 2.2% 2% 0 0% (2.0)% -500 (2)% (4.9)% (4)% -1,000 (6)% 2015

  7. Slide 7: Transformation: Built the Foundation for Success (EPS)

    TRANSFORMATION Built the Foundation for Success 2015 – 2019: Strategic Transformation 2020 +: Leveraging the Platform $9.00 $8.27 $8.00 $7.00 $6.00 $6.10 $5.00 $4.44 $4.00 Diluted EPS* $3.16 $3.00 $2.11 $2.00 $1.53 $1.24 $1.00 $0.60 $0.10 $— $(1.00) $(0.66) $(2.00) $(3.00) $(2.40) 2015 2016 2017 201

  8. Slide 8: Backlog, a Pipeline of High-Profitability Work

    BACKLOG, a Pipeline of High-Profitability Work 2,500 Backlog and Unsigned Awards ($ millions)* Backlog does not 2,000 include 1,500 ~$750 MILLION 1,000 of future phases of work associated with current 500 projects — 4Q21 1Q22 2Q22 3Q22 4Q22 1Q23 2Q23 3Q23 4Q23 1Q24 2Q24 Q324 Q424 Q125 Backlog Unsign

  9. Slide 9: Strong Platform Serving Diverse End Markets

    Strong Platform Serving Diverse End Markets Sterling is playing a critical role in building the data infrastructure that enables today's way of life, the manufacturing production coming back to the US, the highways, the bridges, and the airports that connect us and the homes we live in. Sterling Inf

  10. Slide 10: E-Infrastructure Solutions

    E-Infrastructure Solutions Four-Year CAGR** 23% Largest, highest-margin segment ranked #1 in ENR's 2023 Top 20 Firms in Excavation* What We Do: Revenue Leading provider of large-scale specialty site infrastructure 28% improvement contracting services, including site selection and preparation, in the

  11. Slide 11: Transportation Solutions

    Transportation Solutions Four-Year CAGR** 9% Strong markets with attractive margin opportunities What We Do: Revenue Infrastructure and rehabilitation projects for highways, roads, bridges, 43% airports, ports, light rail and storm drainage systems in the Rocky Mountain states and Texas. Markets • L

  12. Slide 12: Building Solutions

    Building Solutions Four-Year CAGR** 10% Improved bid discipline and reduced risk What We Do: Revenue Residential and Commercial concrete slabs in the Dallas/Fort Worth 13% (DFW), Houston, and Phoenix markets. Plumbing capabilities (rough in, top outs, fixtures in DFW). Markets • Dallas/Fort Worth Op

  13. Slide 13: Financial Overview

    • Quarter and Full Year Results Highlights • Cash Flow FINANCIAL • Balance Sheet OVERVIEW • Capital Allocation Priorities • Full Year Guidance • Summary Sterling Infrastructure, Inc. | STRL: IR Presentation 13

  14. Slide 14: First Quarter 2025 Results Highlights

    First Quarter 2025 Results Highlights Revenues $430.9 million Net Income $39.5 million Adjusted Net Income(1) $50.2 million Diluted EPS $1.28 Adjusted Diluted EPS(1) $1.63 EBITDA(1) $72.1 million Adjusted EBITDA(1) $80.3 million Cash Flow from Operations(2) $84.9 million Cash & Cash Equivalents(2):

  15. Slide 15: Strong Cash Flow Profile Provides Flexibility and Supports Growth Investments

    Strong Cash Flow Profile Provides Flexibility and Supports Growth Investments Operating Cash Flow Considerations: $497 500 $479 • In recent quarters, cash flow has benefited from the timing 400 of cash payments on large projects in E-Infrastructure and Transportation Solutions. 300 • Over the long-t

  16. Slide 16: Balance Sheet with Significant Firepower to Support Future Growth

    Balance Sheet with Significant Firepower to Support Future Growth Total Debt and Cash Positions (1) 700 Considerations: $664 • We expect to pursue strategic uses of our 600 liquidity, including acquisitions, investing in capital equipment and managing leverage. 500 $472 • Sterling is comfortable wit

  17. Slide 17: Capital Allocation Priorities Support Growth in Existing and New Markets

    Capital Allocation Priorities Support Growth in Existing and New Markets Support organic growth in existing and new markets • Capital expenditures support multi-year growth, weighted toward E- Infrastructure Solutions Strategic M&A – “Bolt on” and/ or 4th Leg Opportunities • “Bolt-ons”: Continue to

  18. Slide 18: Full Year 2025 Guidance

    Full Year 2025 Guidance Revenue of $2.05 to $2.15 billion “We believe 2025 will be another excellent year for Sterling as we continue to drive Net Income of $222 to $239 million bottom line growth that outpaces top line growth. We are raising our 2025 guidance to EPS of $7.15 to $7.65 reflect our st

  19. Slide 19: A Leading Infrastructure Services Provider in the U.S.

    STERLING, A Leading Infrastructure Services Provider in the U.S. Successful Strong, Continued strategic Strong historical multi-year, opportunity for Robust balance foundation with stock secular growth margin sheet, FCF strong, diversified performance drivers expansion platform Sterling Infrastructu

  20. Slide 20: Appendix

    + Appendix Sterling Infrastructure, Inc. | STRL: IR Presentation 20

  21. Slide 21: 2025 Modeling Considerations

    (1) 2025 Modeling Considerations Revenue $2,050 to $2,150 Gross Margin ~22.0% G&A Expense as % of Revenue (Excluding ~6.3% Intangible Amortization) Other Operating Expense $13 to $15 JV Non-Controlling Interest Expense ~$12 Effective Income Tax Rate ~26% Diluted EPS $7.15 to $7.65 Adjusted Diluted E

  22. Slide 22: 2025 Modeling Considerations Continued

    2025 Modeling Considerations Continued* Non-Cash Items FY 2025 Expectations FY 2024 Depreciation $54 to $55 $51.4 Intangible Amortization $25 $17.0 Debt Issuance Cost Amortization ~$1 $1.1 Stock-based Compensation ~$23 $19.0 Deferred Taxes $7 to $8 $32.6 Other Cash Flow Items FY 2025 Expectations FY

  23. Slide 23: Quarterly Consolidated and Segment Results

    Quarterly Consolidated and Segment Results ($ in millions, except per share data) Q1 2025 Q1 2024 ($ in millions) Q1 2025 Q1 2024 Revenues $ 430.9 $ 440.4 E-Infrastructure Solutions Gross Profit 94.8 76.9 Revenue $ 218.3 $ 184.5 G&A Expense (34.6) (27.3) Operating Income $ 46.6 $ 27.2 Intangible Amo

  24. Slide 24: Quarterly Consolidated Results

    Quarterly Consolidated Results (2024 period reflects the deconsolidation of RHB) ($ in millions, except per share data) Q1 2025 Q1 2024 % Change Revenues $ 430.9 $ 401.9 7.2 % Gross Profit 94.8 71.6 32.4 % G&A Expense (34.6) (26.3) Intangible Amortization (4.5) (4.3) Acquisition Related Costs (0.2)

  25. Slide 25: Adjusted Net Income Reconciliation

    STERLING INFRASTRUCTURE, INC. & SUBSIDIARIES ADJUSTED NET INCOME RECONCILIATION (In thousands) (Unaudited) Three Months Ended March 31, 2025 2024 Net income attributable to Sterling common stockholders $ 39,477 $ 31,048 Non-cash stock-based compensation 6,683 4,586 Intangible asset amortization(1) 6

  26. Slide 26: EBITDA Reconciliation

    STERLING INFRASTRUCTURE, INC. & SUBSIDIARIES EBITDA RECONCILIATION (In thousands) (Unaudited) Three Months Ended March 31, 2025 2024 Net income attributable to Sterling common stockholders $ 39,477 $ 31,048 Depreciation and amortization(1) 19,137 16,258 Interest (income) expense, net (1,595) 762 Inc

  27. Slide 27: Non-GAAP Segment Information

    STERLING INFRASTRUCTURE, INC. & SUBSIDIARIES NON-GAAP SEGMENT INFORMATION (In thousands) (Unaudited) Three Months Ended March 31, % of % of 2025 2024 Revenue Revenue Revenues (Excluding RHB) E-Infrastructure Solutions $ 218,263 51% $ 184,476 46% Transportation Solutions 120,661 28% 110,505 27% Build

  28. Slide 28: Adjusted Net Income Guidance Reconciliation

    STERLING INFRASTRUCTURE, INC. & SUBSIDIARIES ADJUSTED NET INCOME GUIDANCE RECONCILIATION (In thousands) (Unaudited) Full Year 2025 Guidance Full Year Low High 2024 Actual Net income attributable to Sterling common stockholders $ 222,000 $ 238,700 $ 257,461 Gain on deconsolidation of subsidiary, net

  29. Slide 29: EBITDA Guidance Reconciliation

    STERLING INFRASTRUCTURE, INC. & SUBSIDIARIES EBITDA GUIDANCE RECONCILIATION (In millions) (Unaudited) Full Year 2025 Full Year Guidance 2024 Low High Actual Net income attributable to Sterling common stockholders $ 222 $ 239 $ 257 Depreciation and amortization(1) 79 80 68 Interest income, net of int

  30. Slide 30: STRL 3-Year Stock Price Performance

    STRL 3-Year Stock Price Performance Source: FactSet Sterling Infrastructure, Inc. | STRL: IR Presentation 30

  31. Slide 31: Active Geographical Footprint

    Active Geographical Footprint Sterling Infrastructure, Inc. | STRL: IR Presentation 31

  32. Slide 32: Strategic Acquisitions

    Strategic Acquisitions Sterling Infrastructure, Inc. | STRL: IR Presentation 32

  33. Slide 33: Sustainability

    Sustainability Protecting Our Environment • Sound governance From strategy to operations, we are • Environmentally responsible construction services and committed to sustainability by solutions for today and tomorrow operating responsibly to safeguard and improve society’s quality of life. Taking Ca

  34. Slide 34: Contact Us

    Contact Us Sterling Infrastructure, Inc. Noelle Dilts, VP IR and Corporate Strategy Tel: (281) 214-0795 Cell (720) 270-6361 noelle.dilts@strlco.com We build and service the infrastructure that enables our economy to run, our people to move, and our country to grow. 34 Sterling Infrastructure, Inc. |

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