Key Takeaways STRL beat Q4 estimates with adjusted EPS of $3.08 and revenues up 51.5% year over year.Sterling's E-Infrastructure unit drove growth, with revenues surging to $521M.STRL sees 2026 revenues of $3.05B-$3.20B and EPS of $13.45-$14.05.Sterling Infrastructure, Inc. (STRL) reported impressive fourth-quarter 2025 results, wherein adjusted earnings and revenues surpassed the Zacks Consensus Estimate and increased year over year.The company’s fourth-quarter results were driven by the exceptional perfor ...

Sterling Infrastructure (NasdaqGS:STRL) Q4 2025 Earnings call February 26, 2026 09:00 AM ET Company ParticipantsAdam Thalhimer - Director of Research and a PartnerAlex Rygiel - Managing Director and the Head of Equity ResearchJoseph Cutillo - CEONicholas Grindstaff - CFONoelle Dilts - VP of Investor Relations and Corporate StrategyConference Call ParticipantsBrent Thielman - Managing Director and Senior Research AnalystBrian Brophy - Managing Director and Senior Equity AnalystJulio Romero - Senior Equity Re ...

Sterling Infrastructure (NasdaqGS:STRL) Q4 2025 Earnings call February 26, 2026 09:00 AM ET Company ParticipantsAdam Thalhimer - Director of Research and a PartnerAlex Rygiel - Managing Director and the Head of Equity ResearchJoseph Cutillo - CEONicholas Grindstaff - CFONoelle Dilts - VP of Investor Relations and Corporate StrategyConference Call ParticipantsBrent Thielman - Managing Director and Senior Research AnalystBrian Brophy - Managing Director and Senior Equity AnalystJulio Romero - Senior Equity Re ...

Financial Data and Key Metrics Changes - The company achieved strong revenue growth of over 32% and adjusted diluted EPS growth of over 53% for the full year 2025 [6] - Full year gross margins reached 23%, and adjusted EBITDA margins exceeded 20% for the first time in history [6] - Operating cash generation remained strong at $440 million for the year [6] Business Line Data and Key Metrics Changes - E-Infrastructure Solutions revenue grew 59% for the full year, with 40% organic growth, and adjusted operating income grew 67% [8] - Transportation Solutions revenue grew 17% for the full year, with adjusted operating profit growing 66% [10] - Building Solutions revenue declined 6% for the full year, with adjusted operating profit declining 23% [10] Market Data and Key Metrics Changes - The signed backlog at the end of Q4 2025 totaled $3 billion, a 78% increase from year-end 2024 [8] - The Texas market showed strong growth, particularly in electrical and site development, with significant opportunities ahead [10] Company Strategy and Development Direction - The company remains committed to its guiding principle of taking care of people, the environment, investors, and communities while building America's infrastructure [6] - Future growth is anticipated in E-Infrastructure Solutions, with expected revenue growth of 40% or higher in 2026 [18] - The company is focusing on geographic expansion and incremental electrical footprint and services, with a strong emphasis on data centers and semiconductor projects [21] Management's Comments on Operating Environment and Future Outlook - Management expressed confidence in the multiyear opportunities across markets, particularly in E-Infrastructure and Transportation Solutions [17] - The company expects continued strong demand in the Texas data center market and anticipates growth in the semiconductor and manufacturing sectors [18] - Management acknowledged challenges in the Building Solutions segment but remains optimistic about long-term market share gains [20] Other Important Information - The company is forecasting 2026 revenue of $3.05 billion to $3.2 billion, with adjusted diluted EPS of $13.45 to $14.05 [15] - Cash flow from operating activities for 2025 was strong at $440 million, with expectations for continued strength in 2026 [12] Q&A Session Summary Question: Update on transportation awards and backlog - Management noted that while there were no major projects, bid activity remains strong, and funding will continue through extensions of existing bills [25] Question: Progress in Texas on site prep and joint awards at CEC - Management expressed excitement about the Texas market and indicated that significant awards would be announced in the first half of the year [28] Question: Pipeline evolution at CEC since acquisition - Management confirmed that jobs are getting larger, with data centers evolving into data campuses, leading to margin improvements [34] Question: Legacy site development margins - Management indicated that margins are not expected to decline, with opportunities for improvement through larger jobs and strategic investments [39] Question: High probability future phase work - Management clarified that the $1 billion in future phase work is tied to existing projects and customers, with expectations for continued acceleration [44] Question: Capital allocation priorities - Management emphasized a focus on geographic expansion and service enhancement within infrastructure, while remaining open to strategic acquisitions [50] Question: Market opportunity in manufacturing and high tech - Management believes the semiconductor market is in its early stages, with significant projects expected in the coming years [56]

Industry Overview - AI-powered data centers are experiencing significant growth, driven by a bullish demand scenario for managing and storing cloud computing data [1] - Global data center capital expenditure (capex) is projected to reach $1.7 trillion by 2030, with McKinsey estimating a requirement of $5.2 trillion to $6.7 trillion in capex to support AI data center development [2] Company Analysis MasTec Inc. (MTZ) - MasTec is positioned as a leading provider of infrastructure services, benefiting from the AI data center boom and the expansion of the energy industry [6][7] - The company operates in four segments: Communications, Power Delivery, Pipeline Infrastructure, and Clean Energy, all of which are growing alongside infrastructure spending trends [8][10] - Expected revenue and earnings growth rates for MasTec are 9.2% and 29.9%, respectively, for the current year [10] EMCOR Group Inc. (EME) - EMCOR is a key player in providing critical infrastructure for AI-powered data centers, focusing on electrical, mechanical, and cooling systems [11] - The company is gaining traction in the data center construction market, which is enhancing its remaining performance obligations (RPOs) and future revenue visibility [12][13] - Expected revenue and earnings growth rates for EMCOR are 5.4% and 8.6%, respectively, for the current year [14] AECOM (ACM) - AECOM benefits from strong demand across various markets, supported by government-funded infrastructure programs and opportunities in the Middle East [15] - The company is investing in AI and technology-enabled engineering solutions, leading to significant project wins in water infrastructure and transportation [16][17] - Expected revenue and earnings growth rates for AECOM are 4.8% and 13.5%, respectively, for the current year [18] Jacobs Solutions Inc. (J) - Jacobs Solutions has a record backlog of $26.3 billion and is benefiting from rising demand for digital and advisory services [19] - The company’s performance is supported by long-term public funding and private-sector investments, allowing it to capitalize on multi-cycle growth themes [20][21] - Expected revenue and earnings growth rates for Jacobs are 9.4% and 16.5%, respectively, for the current year [21] Sterling Infrastructure Inc. (STRL) - Sterling Infrastructure specializes in constructing complex data centers and is a major provider of high-density, AI-powered data centers [22][23] - The company operates in E-Infrastructure, Building, and Transportation Solutions, focusing on advanced site development for data centers and e-commerce distribution [22][24] - Expected revenue and earnings growth rates for Sterling are 18.8% and 17.2%, respectively, for the current year [25]

Revenue Concentration - E-Infrastructure Solutions segment revenue concentration: top four customers accounted for 27% in 2025, 31% in 2024, and 40% in 2023[30] - Transportation Solutions segment revenue concentration: top four state DOTs accounted for 58% in 2025, 47% in 2024, and 50% in 2023[31] - Building Solutions segment revenue concentration: top four customers accounted for 45% in 2025, 36% in 2024, and 42% in 2023[32] Financial Performance - Backlog value increased to $3.01 billion in 2025 from $1.69 billion in 2024, with approximately $300.7 million in unsigned awards[36] - Company had $292.5 million in variable rate debt; a 100-basis point change in interest rates would affect interest expense by approximately $2.9 million annually[213] - Cash and cash equivalents stood at $390.7 million; a 100-basis point change in interest rates would impact interest income by approximately $3.9 million annually[213] - Inflation has led to increased costs in oil, fuel, lumber, concrete, steel, and labor, negatively impacting financial results since 2021[215] Workforce and Operations - Approximately 4,400 employees as of December 31, 2025, with a turnover rate typical in the construction industry[47][48] - Company’s contracts are primarily fixed-unit price or lump sum, with substantial backlog contracted under these terms[37] - Company maintains adequate insurance coverage and bonding requirements for its operations, which are essential for contract performance[40][41]

February 26, 2026 Full Year and 4th Quarter 2025 EARNINGS CALL 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 forward-looking statements are subject to a number of risks and uncertainties, many of which are beyond our control, which may include statements about: ...

Core Viewpoint - Sterling Infrastructure, Inc. (STRL) stock has experienced a significant increase of over 670% since being rated a "Buy" at $59-60 per share in mid-2023, but has since been downgraded to a "Hold" status [1]. Group 1 - The stock was initially recommended as a "Buy" in mid-2023 when trading at $59-60 per share [1]. - The substantial rise in stock price indicates strong market performance and investor interest [1]. - The downgrade to "Hold" suggests a reassessment of the stock's potential for further growth [1].

| STRL Sterling Infrastructure | | | | --- | --- | --- | | 455,250 ↓ -4.470 -0.97% | | | | 489.000↑ 33.750 +7.41% | | 盘前价 02/26 04:19 美东 | | 三 7 24 华 S 9 日 ♥ 白 ♥ 白 ♥ 白 ♥ 白 ♥ 白 | | ● 快捷交易 | | 最高价 467.525 | 开盘价 463.070 | 成交量 91.71万 | | 最低价 445.010 | 昨收价 459.720 | 成交额 4.21亿 | | 平均价 459.310 | 市容率 48.53 | 总市值 139.85亿 (…) | | 振 幅 4.90% | 市盈率(静) 48.53 | 总股本 3071.94万 | | 换手率 3.07% | 市净率 12.616 | 流通值 135.97亿 | | 52周最高 470.000 | 委 比 84.05% | 流通股 2986.7万 | | 52周最低 96.340 | 量 比 1.61 | 色 主 1股 | | 历史最高 470.000 | 股息TTM -- ...

Exhibit 99.1 NEWS RELEASE For Immediate Release: February 25, 2026 Sterling Reports Strong Fourth Quarter and Full Year 2025 Results and Issues Full Year 2026 Guidance THE WOODLANDS, TX – February 25, 2026 – Sterling Infrastructure, Inc. (NasdaqGS: STRL) ("Sterling" or the "Company") today announced strong financial results for the fourth quarter of 2025. The financial comparisons herein are to the prior year quarter, unless otherwise noted. Fourth Quarter 2025 Results: Please note that in the fourth quarte ...