$DY KEY READ-THROUGHS FROM DYCOM INDUSTRIES Q1 FY2027 EARNINGS CALL Dycom’s Q1 FY2027 call was a strong cross-sector signal that U.S. digital infrastructure investment is accelerating simultaneously across fiber-to-the-home, long-haul and middle-mile fiber, data-center electrical construction, and low-voltage structured cabling. The highest-value datapoints were Q1 revenue of $1.965 billion, up 56% year over year; organic growth of 25%; Communications organic revenue growth of 24.7%; fiber-to-the-home work up 33% sequentially; Building Systems revenue of $395.4 million at 17.7% adjusted EBITDA margin; record backlog of $11.9 billion; 2.2x book-to-bill; and management’s statement that “the momentum behind fiber deployments and data center builds is stronger today than we have ever seen.” The broader read-through is clearly positive for power demand, utilities in data-center-heavy geographies, merchant generators, electrical equipment suppliers, specialty contractors, fiber materials vendors, and optical transport suppliers. The offsetting negative implications are concentrated in cable broadband competition, telecom carrier free-cash-flow pressure from sustained capex intensity, hyperscaler and data-center landlord construction-cost inflation, and timing risk for companies expecting BEAD to convert into material 2026 revenue. POWER, UTILITIES, AND ELECTRIFICATION DATA-CENTER PHYSICAL BUILD ACTIVITY VALIDATES THE LOAD-GROWTH TRAJECTORY FOR UTILITIES AND MERCHANT POWER (READ-THROUGH 1) Affected companies: Dominion Energy (D: US), Exelon (EXC: US), American Electric Power (AEP: US), Sempra (SRE: US), CenterPoint Energy (CNP: US), Constellation Energy (CEG: US), Vistra (VST: US), Talen Energy (TLN: US), and NRG Energy (NRG: US). Directional impact and magnitude: positive, medium-to-large for regulated utilities with data-center load exposure; positive, medium-to-large for merchant generators, nuclear owners, and capacity-constrained power markets. The magnitude is highest where data-center development overlaps with constrained transmission, scarce interconnection capacity, and high-value around-the-clock power demand. Call support: Dycom stated that Building Systems generated $395.4 million of revenue at 17.7% adjusted EBITDA margin, and management raised the full-year Building Systems outlook to $1.35 billion-$1.45 billion with high-teens adjusted EBITDA margins. Management also said data-center demand “has not abated whatsoever” and is “only increasing.” The pending National Technology Integrators acquisition adds exposure in the DMV, Texas, and the Midwest, which are directly relevant regions for data-center power demand. The most important quote was: “Looking ahead, the momentum behind fiber deployments and data center builds is stronger today than we have ever seen.” Transmission mechanism: Dycom’s data-center electrical and structured-cabling activity is a physical, construction-stage confirmation that data-center load is moving from announced pipeline to active build. That matters for utilities because energization of these facilities requires new service connections, distribution upgrades, transmission reinforcement, substation work, and, in many regions, incremental generation procurement. For merchant generators and nuclear-heavy portfolios, the same signal supports higher confidence in long-duration power demand, bilateral contracting, capacity value, and structurally tighter reserve margins. The signal is especially relevant in the DMV/Northern Virginia-Maryland corridor, Texas, and the Midwest because NTI’s footprint and customer pull are concentrated there. Near-term trading catalyst: positive sentiment for utility and power names exposed to data-center load growth should be reinforced by Dycom’s statement that data-center demand is not slowing and that electrical/low-voltage trades are being pulled into more markets. This is a near-term narrative catalyst around earnings calls, load-growth updates, interconnection queues, and utility capex plans. Longer-duration fundamental shift: the call supports the thesis that AI and cloud data-center demand is evolving into a multi-year electricity demand cycle, not a transient construction bulge. The longer-duration implication is higher utility rate base growth, higher transmission and distribution capex, stronger contracting demand for firm clean power and gas-backed reliability, and greater strategic value for generators with deliverable capacity near data-center load pockets. The main negative offset is regulatory and affordability risk if grid capex accelerates faster than customer bills can absorb. DATA-CENTER ELECTRICAL EQUIPMENT DEMAND REMAINS POWERFUL AND MARGIN-SUPPORTIVE (READ-THROUGH 2) Affected companies: Eaton (ETN: US), Vertiv Holdings (VRT: US), Schneider Electric (SU: France), Hubbell (HUBB: US), nVent Electric (NVT: US), Powell Industries (POWL: US), and Legrand (LR: France). Directional impact and magnitude: positive, medium-to-large. The impact is most significant for companies supplying low-voltage and medium-voltage electrical distribution, switchgear, power management, thermal management, enclosures, busway, power distribution, and related electrical infrastructure used in data centers. Call support: Management said Power Solutions “eclipsed expectations right out of the gate,” producing $395.4 million of revenue and 17.7% adjusted EBITDA margin. Dycom also stated that Building Systems margins are expected to remain in the high-teens range for FY2027. In the NTI discussion, management said structured cabling and inside-plant electrical work are “highly coordinated and in high demand.” Transmission mechanism: high-growth, high-margin data-center electrical construction is a demand-pull signal for the electrical equipment ecosystem. Contractors such as Power Solutions and NTI do not scale without corresponding demand for electrical gear, structured cabling, rack-level connectivity, controls, power distribution, and thermal infrastructure. Sustained high-teens contractor margins imply that customers are paying for execution certainty and speed, which typically preserves pricing power upstream for equipment suppliers where supply remains tight. This is not merely a unit-volume signal; it also supports pricing, backlog visibility, and mix improvement toward higher-spec mission-critical equipment. Near-term trading catalyst: the read-through is positive for near-term order commentary and backlog durability across electrical equipment suppliers. Dycom’s data point is particularly useful because it confirms that project execution is occurring at the construction level, rather than remaining only in hyperscaler capex announcements. Longer-duration fundamental shift: data-center electrification is becoming an integrated construction and equipment cycle. The relevant constraint is not only chips or power generation; it is the availability of high-quality electrical engineering, switchgear, power distribution, cooling, cabling, and field labor. That favors suppliers with scale, short lead times, technical breadth, and relationships with hyperscalers, contractors, and electrical engineering firms. The negative risk is that extreme demand can create backlog quality issues, schedule slippage, or customer pushback if lead times and pricing become too stretched. TELECOM, FIBER, AND BROADBAND FIBER-TO-THE-HOME RAMP IS ACCELERATING AND DIRECTLY SUPPORTIVE OF FIBER MATERIALS AND ACCESS NETWORK SUPPLIERS (READ-THROUGH 3) Affected companies: Corning (GLW: US), CommScope (COMM: US), Calix (CALX: US), ADTRAN Holdings (ADTN: US), and Nokia (NOK: Finland). Directional impact and magnitude: positive, medium-to-large for Corning; positive, medium for CommScope, Calix, ADTRAN, and Nokia. The magnitude is highest for companies most directly exposed to fiber cable, passive connectivity, access equipment, and last-mile broadband deployment. Call support: Communications revenue grew 24.7% organically. Management said fiber-to-the-home was the primary driver of the raised Communications outlook and disclosed that “fiber-to-the-home work grew 33% in 1 quarter’s time.” Management also said “demand for fiber infrastructure remains as strong as ever” and referenced “recent announcements from Corning to scale manufacturing capabilities in response to the demand for fiber in the coming years.” Transmission mechanism: Dycom is a field-level indicator of carrier deployment velocity. When Dycom’s FTTH work rises 33% sequentially and Communications revenue grows almost 25% organically, the implication is that carriers are moving more aggressively from planning and permitting into actual construction. That pulls through demand for fiber cable, terminals, closures, cabinets, optical line terminals, optical network terminals, and access-network software. The read-through is particularly strong for Corning because the call explicitly referenced Corning’s manufacturing expansion as evidence of fiber demand. For Calix, ADTRAN, and Nokia, the mechanism is more downstream and timing-sensitive because access electronics typically follow network design, awards, and construction schedules. Near-term trading catalyst: positive for fiber supplier order sentiment and for companies levered to accelerating carrier access-network deployments. The strongest near-term catalyst is the possibility that market expectations for U.S. FTTH deployment pace are too low after Dycom’s sequential FTTH growth disclosure. Longer-duration fundamental shift: management repeatedly described FTTH as still early in the cycle. That implies a multi-year build trajectory rather than a 1-quarter catch-up. The longer-duration impact is a sustained fiber materials and access equipment cycle, with incremental support as passings expand, cost per passing rises in harder-to-build areas, and BEAD adds a later rural broadband layer. CABLE BROADBAND COMPETITIVE PRESSURE IS INTENSIFYING AS FIBER BUILDS ACCELERATE (READ-THROUGH 4) Affected companies: Charter Communications (CHTR: US), Comcast (CMCSA: US), Cable One (CABO: US), and Altice USA (ATUS: US). Directional impact and magnitude: negative, medium-to-large for Charter, Cable One, and Altice USA; negative, medium for Comcast given its larger diversification. The magnitude is highest for cable operators with greater broadband revenue concentration and weaker mobile or enterprise offsets. Call support: Management said fiber-to-the-home is “still earlier on in the overall cycle,” that “there’s a lot of growth opportunity left in fiber-to-the-home,” and that “there’s still several years where the passings are going to continue to increase.” In Q&A, management added that “the homes in America are going to get past the 60 million that our customers have talked about” and that multiple customers and markets are ramping. Transmission mechanism: every incremental FTTH passing increases the probability that cable broadband markets face a faster shift from monopoly or duopoly broadband economics to fiber-led competitive overlap. More fiber passings pressure gross adds, churn, promotional intensity, pricing power, and long-term ARPU. Cable operators can respond with DOCSIS upgrades, mobile bundles, and price segmentation, but Dycom’s call suggests the fiber overbuild cadence is accelerating rather than slowing. This is particularly relevant because Dycom’s work is not merely speculative; it represents field execution and customer awards. Near-term trading catalyst: negative for cable sentiment around broadband net adds and competitive intensity. The call could reinforce investor concern that cable broadband pressure is not only a macro or housing issue but also a structural fiber-overbuild issue. Longer-duration fundamental shift: the more important implication is a multi-year erosion of cable’s historical broadband scarcity value in markets receiving fiber overbuild. The effect will likely be gradual, market-specific, and nonlinear, but the call supports the view that the competitive footprint of fiber will continue expanding for several years. CARRIER FIBER BUILD-OUT IS STRATEGICALLY POSITIVE BUT NEAR-TERM FREE-CASH-FLOW NEGATIVE (READ-THROUGH 5) Affected companies: AT&T (T: US), Verizon Communications (VZ: US), Lumen Technologies (LUMN: US), and other U.S. fiber-building telecom operators. Directional impact and magnitude: mixed. Positive, medium for long-term strategic positioning and broadband competitiveness; negative, medium for near-term capex intensity and free cash flow. The net equity impact depends on whether incremental fiber deployment produces sufficient penetration, ARPU, churn improvement, and converged wireless-wireline benefits to offset sustained capital intensity. Call support: Dycom said customers are extending contract durations “to ensure they have the skilled workforce to meet their goals.” Management also said customers are discussing plans “out through the end of the decade” and that “the skilled workforce is really what’s going to make or break their builds.” For FY2027, Dycom raised Communications revenue guidance to $6.03 billion-$6.20 billion, with the increase “largely fiber-to-home.” Transmission mechanism: Dycom’s backlog and contract-duration commentary imply that telecom operators are locking in labor capacity for multi-year build programs. That is positive for execution certainty and long-term fiber footprint expansion, but it also signals that carrier capex intensity will remain elevated for longer. Fiber deployment requires upfront cash outlays before penetration, ARPU, and churn benefits are fully realized. The read-through is therefore strategically constructive but near-term cash-flow dilutive. Near-term trading catalyst: negative for investors focused on near-term free cash flow and dividend coverage if carrier capex expectations move higher or remain elevated longer than modeled. Positive for carriers where investors reward fiber penetration, broadband share gains, and strategic network quality. Longer-duration fundamental shift: a longer fiber build cycle raises the probability that large U.S. carriers become more structurally competitive in fixed broadband. It also increases the strategic importance of scale, network density, and execution capability. The call supports the view that carriers are not retreating from fiber despite macro and rate pressures. SPECIALTY CONTRACTORS AND INFRASTRUCTURE SERVICES SKILLED-LABOR SCARCITY IS SHIFTING VALUE TO SCALED CONTRACTORS WITH MULTI-YEAR CUSTOMER RELATIONSHIPS (READ-THROUGH 6) Affected companies: Dycom Industries (DY: US), MasTec (MTZ: US), Quanta Services (PWR: US), Primoris Services (PRIM: US), and MYR Group (MYRG: US). Directional impact and magnitude: positive, large for Dycom; positive, medium for other scaled infrastructure contractors with relevant fiber, power, telecom, utility, and data-center exposure. Negative for smaller, less-capitalized, low-bid contractors that lack labor scale, safety systems, customer relationships, and balance sheet capacity. Call support: Dycom ended Q1 with record backlog of $11.9 billion, up 25% sequentially, and a 2.2x book-to-bill. Management said customers are extending contract durations to lock skilled workforce, and added: “There are still people out there that are looking for low bid numbers, and that’s just not where we play.” Management also described the skilled workforce as what will “make or break” customer build plans. Transmission mechanism: when customers commit earlier and for longer durations to secure labor, bargaining power shifts toward contractors that can supply trained crews, safety performance, project management, and national execution. That improves backlog visibility, reduces volume cyclicality, and supports price discipline. The statement that Dycom is passing on low-bid work is important because it indicates demand is strong enough for selectivity, not just volume chasing. The broader implication is that scaled contractors can increasingly monetize labor scarcity through longer awards, better terms, and higher-quality backlog. Near-term trading catalyst: positive for investor sentiment and estimate revisions across contractors with telecom, power, utility, and data-center exposure. Backlog quality and book-to-bill should receive more attention than reported revenue alone. Longer-duration fundamental shift: skilled labor is becoming an infrastructure bottleneck and therefore a strategic asset. The companies that have labor density, training infrastructure, fleet, project controls, and customer trust should command better multiples than conventional cyclical contractors. The negative read-through is that companies without scale may be forced into lower-margin subcontracting or excluded from the most attractive multi-year programs. DATA-CENTER SPECIALTY TRADE PROFIT POOLS ARE EXPANDING INTO HIGH-TEENS MARGINS (READ-THROUGH 7) Affected companies: EMCOR Group (EME: US), Comfort Systems USA (FIX: US), IES Holdings (IESC: US), MYR Group (MYRG: US), Quanta Services (PWR: US), and Primoris Services (PRIM: US). Directional impact and magnitude: positive, large for companies with direct data-center electrical, mechanical, and specialty trade exposure; positive, medium for diversified infrastructure contractors with partial exposure. The magnitude is highest for contractors able to deliver mission-critical electrical and mechanical scopes in constrained data-center markets. Call support: Building Systems generated $395.4 million of revenue and $70.0 million of adjusted EBITDA, or 17.7% margin. Management said Power Solutions is expected to maintain margins in a similar high-teens range for FY2027. Management also said Power Solutions is now expected to more than double its trailing 4- or 5-year revenue CAGR, from approximately 15% to more than 30% growth. Transmission mechanism: Dycom’s Building Systems results validate the margin pool in data-center electrical construction. High-teens margins at this revenue scale suggest hyperscalers and general contractors are paying for execution capacity, not simply lowest-cost labor. This read-through is directly relevant for EMCOR, Comfort Systems, IES, MYR, and other specialty contractors because their value proposition is similarly tied to complex electrical, mechanical, and mission-critical work. The combination of high growth and high margins suggests demand is exceeding available skilled capacity. Near-term trading catalyst: positive for the data-center-exposed specialty contractor comp group. Dycom’s results could support higher margin assumptions and stronger backlog conversion expectations for peers with similar exposure. Longer-duration fundamental shift: the call reinforces that data-center construction is not only an equipment cycle but also a specialty labor and field execution cycle. Contractors with proven execution histories, safety records, and relationships with hyperscalers/general contractors may sustain premium margins longer than a normal construction cycle would suggest. The principal negative risk is execution strain from rapid growth, especially if contractors expand headcount too quickly or accept projects outside core competencies. DATA CENTER, HYPERSCALERS, AND REAL ESTATE AI DATA-CENTER CUSTOMERS FACE HIGHER LABOR, SCHEDULE, AND CONSTRUCTION-COST RISK (READ-THROUGH 8) Affected companies: Meta Platforms (META: US), Microsoft (MSFT: US), Amazon (AMZN: US), Alphabet (GOOGL: US), Oracle (ORCL: US), Digital Realty Trust (DLR: US), and Equinix (EQIX: US). Directional impact and magnitude: negative, medium near term for hyperscaler free cash flow, capex intensity, and project delivery risk; mixed for data-center REITs, with negative development-cost risk but positive scarcity value for existing capacity and secured powered land. The magnitude is highest for companies with the most aggressive new-build programs and the greatest need for scarce electrical and fiber labor. Call support: Management said customers are trying to lock in Dycom’s teams “all the way through the end of the decade.” The call also stated that inside-plant electrical and structured cabling trades are “highly coordinated and in high demand.” Management’s comment that the skilled workforce will “make or break” customer builds is the key risk signal. Transmission mechanism: if hyperscalers and data-center developers must secure labor years in advance, then labor availability is a binding constraint alongside power, land, GPUs, switchgear, and cooling. That can increase construction costs, extend project timelines, force earlier contractual commitments, and reduce customer flexibility. For hyperscalers, this can pressure free cash flow and raise the cost of delivering AI capacity. For data-center REITs, the read-through is nuanced: higher development costs can pressure yields, but scarce powered capacity and proven execution capability can increase the value of existing assets. Near-term trading catalyst: negative if hyperscaler capex commentary becomes more open-ended or if investors begin to focus more heavily on non-chip bottlenecks. Positive for data-center landlords with existing powered-shell inventory or fully entitled campuses. Longer-duration fundamental shift: the data-center bottleneck is broadening from semiconductor availability into physical infrastructure delivery. That shift favors companies that already control land, power, interconnection, labor relationships, and construction capacity. It disadvantages marginal developers and late entrants dependent on third-party labor availability in constrained regions. LOW-VOLTAGE STRUCTURED CABLING IS BECOMING A STRATEGIC SCARCITY ASSET IN DATA CENTERS (READ-THROUGH 9) Affected companies: Belden (BDC: US), CommScope (COMM: US), Legrand (LR: France), Schneider Electric (SU: France), nVent Electric (NVT: US), and privately held low-voltage engineering contractors. Directional impact and magnitude: positive, medium for public cabling, connectivity, enclosure, and infrastructure suppliers; positive, large for private low-voltage contractors with data-center exposure; positive for M&A valuation comps in the specialty trade ecosystem. Call support: Dycom announced an agreement to acquire National Technology Integrators for $275 million. NTI has an initial annual revenue run rate of approximately $175 million, historical adjusted EBITDA margins in the mid-to-high teens, and approximately 2-thirds data-center exposure. Management said NTI specializes in “inside-plant structured cabling, including within data centers, as well as audio visual and security systems.” Management also said the combination allows Dycom to offer infrastructure “starting at the racks and connecting data centers across America.” Transmission mechanism: the acquisition shows that structured cabling inside data centers is no longer a commoditized afterthought; it is becoming a strategic capability tied to speed, reliability, and complete campus delivery. As data-center density and interconnection complexity rise, demand increases for high-quality structured cabling, fiber management, enclosures, raceway, security systems, and low-voltage engineering. Vendors that supply components into these scopes should benefit from higher project volume, while service providers with trained labor should attract strategic premiums. Near-term trading catalyst: positive for sentiment around cabling and connectivity names with data-center exposure. The implied NTI valuation also provides a private-market comp that supports the scarcity value of specialized low-voltage capabilities. Longer-duration fundamental shift: data-center construction is converging across electrical, low-voltage, fiber, and outside-plant infrastructure. The contractors and vendors capable of integrating these layers should gain share, while single-scope or low-bid participants may be structurally disadvantaged. The geographic signal is also important: NTI’s exposure to the DMV, Texas, and the Midwest suggests continued strength in major U.S. data-center corridors.

