EnPro Industries, Inc. (NPO) | The Buildout — AI Infrastructure
The Verdict
EnPro makes sealing technologies and advanced surface technologies for critical industrial and semiconductor applications. Its Advanced Surface Technologies unit supports advanced-node chip production through precision cleaning, coating, testing, and refurbishment, while Sealing Technologies sells gaskets, seals, packing, and fluid-transfer products into industrial aftermarkets. The AI buildout reaches EnPro through semiconductor equipment and advanced-node chip production, not through direct data-center systems.
| Market Cap | — |
| Revenue (TTM) | $1.2B |
| Revenue Growth | +10.2% |
| EBITDA Margin (TTM) | 23.1% |
| Net Debt | $539M |
| Earnings Beats | 5 of 7 |
| P/E (TTM) | — |
| EV/EBITDA (TTM) | — |
What We Like
- AST revenue accelerated from +11.1% in Q1 2026 to +21.8% in Q2 2026.
- Q2 adjusted EBITDA of $86.9 million rose more than 22% year over year, and full-year adjusted EBITDA guidance is now $330 million to $340 million.
- Sealing's Q2 adjusted segment EBITDA margin was 33.2%, the 10th straight quarter above 30%, with aftermarket at 60% of segment revenue.
- Management says customer build plans and lead times extend healthy visibility through 2027 for semiconductor-facing products.
- Net leverage fell to 1.6x after $80 million of revolving debt repayment in H1 2026.
What We’re Watching
- Q3 2026 results will test guided roughly 20% H2 AST growth and the approaching-25% exit rate.
- Q2 AST margin improvement included inventory-related volume leverage and a prior-year FX comparison of a little over $2 million.
- One unnamed customer accounted for about 24% of 2025 consolidated net sales.
- AST relies on rare-earth minerals historically sourced indirectly from China, and its largest disclosed site is in Taoyuan City, Taiwan.
The thesis is strengthening: demand inflected sooner and higher than management expected, and guidance has been raised twice. The key open question is whether the AST order book converts into revenue as capacity comes online without margin support from inventory build.
Earnings Beat
EnPro reported second-quarter 2026 sales of $338.8 million, up 17.6% year over year. Adjusted EBITDA was $86.9 million, up more than 22%, and total adjusted EBITDA margin was 25.6%, up 90 basis points. Advanced Surface Technologies revenue rose 21.8% year over year.
| Metric | Q1 FY2026 | Q4 FY2025 | Q1 FY2025 | YoY |
|---|---|---|---|---|
| Revenue | $303M | $295M | $273M | +10.9% |
| Gross margin | 42.9% | 42.1% | 43.3% | -40bps |
| EBITDA | $73M | $60M | $67M | +9.3% |
| EPS | $1.30 | $-1.52 | $1.16 | +12.4% |
| AST adjusted segment EBITDA margin | 23.9% | 23.3% | 19.6% (implied from +430 bps) | +430 bps |
We are raising our total year 2026 guidance issued in early May and now expect total Enpro sales to increase in the 14% to 16% range, up from 10% to 14%, adjusted EBITDA in the range of $330 million to $340 million, up from $315 million to $330 million and adjusted diluted earnings per share to a range of $9.30 to $9.80, up from $8.85 to $9.50 previously.— Joe Bruderek, CFO, August 4, 2026
Management tone: Management's tone became more positive across Q1 and Q2 2026. On the Q2 call, executives tied demand to AI, advanced computing, and communications infrastructure taking a quantum leap and said lead times extend visibility through 2027. They kept commercial-vehicle recovery out of 2026 guidance.
Management Guidance
For FY2026, management expects total sales growth of 14% to 16%, adjusted EBITDA of $330 million to $340 million, adjusted diluted EPS of $9.30 to $9.80, capex of $60 million to $65 million, and a 25% normalized tax rate. AlpHa and Overlook are expected to contribute $60 million to $65 million in 2026; no significant commercial-vehicle recovery is included.
Trajectory
Revenue is accelerating: total sales grew from $288.1 million in Q2 2025 to $303.0 million in Q1 2026 and $338.8 million in Q2 2026. Q1 total sales rose 10.9%; Q2 rose 17.6%. AST drove the change, rising +11.1% in Q1 and +21.8% in Q2, while Sealing organic growth improved from -0.4% in Q1 to +5% in Q2. Total adjusted EBITDA margin was 25.6% in Q2, up 90 basis points year over year.
The Model
The model projects FY+1 revenue of $1,297 million and EBITDA of $329 million, a 25.4% margin. For FY+2, it projects revenue of $1,435 million and EBITDA of $383 million, a 26.7% margin. Near-term forecasts are anchored by management's raised FY2026 guidance and expected roughly 20% second-half AST growth; FY+2 is driven by new AST platforms ramping through 2027 and capacity coming online in Arizona, Milpitas, and Taiwan.
| Metric | FY2025 | Next FY (E) | Following FY (E) |
|---|---|---|---|
| Revenue | $1.1B | $1.3B | $1.4B |
| YoY Growth | — | +13.4% | +10.6% |
| EBITDA | $264M | $329M | $383M |
| EBITDA Margin | 23.1% | 25.4% | 26.7% |
Projections are the median of 5 independent model runs. The model’s revenue sits 5.2% above analyst consensus.
For FY2026, management expects total sales growth of 14% to 16%, adjusted EBITDA of $330 million to $340 million, adjusted diluted EPS of $9.30 to $9.80, capex of $60 million to $65 million, and a 25% normalized tax rate. AlpHa and Overlook are expected to contribute $60 million to $65 million in 2026; no significant commercial-vehicle recovery is included.
What Could Go Right — and Wrong
- AST order and backlog convert into hard reported numbers, with next 10-Q backlog moving above the March 31 figure of $357.7 million.
- Arizona Phase 2, Milpitas, and Taiwan capacity additions qualify on schedule and remove conversion gates.
- Memory and other advanced-node chip types broaden AST demand beyond leading-edge logic.
- Commercial-vehicle recovery materializes earlier, adding Sealing upside not in 2026 guidance.
- Sealing H2 organic growth prints high single digits, and AlpHa/Overlook contribute the guided $60 million to $65 million.
- AST order momentum stalls or book-to-bill falls below 1, challenging the 20% H2 growth plan.
- A major shift in the unnamed 24% customer relationship reduces demand.
- Inventory built ahead of demand becomes a margin drag if semiconductor capex softens.
- Taiwan disruption interrupts LeanTeq operations or customer logistics.
- Capacity execution slips at Arizona, Milpitas, or Taiwan, delaying the H2 2026-into-2027 ramp.
Looking Ahead
The next 12 months turn on AST capacity execution and order conversion. Management expects new platforms and capacity expansions to generate revenue in H2 2026 and ramp into 2027. Sealing is guided to high-single-digit organic growth in H2, and commercial vehicle could add optionality into 2027.
- Q3 2026 resultsQ3 AST growth check — Tests guided roughly 20% H2 AST growth and approaching-25% exit rate.
- Q3 2026 10-QBacklog disclosure — Shows whether significant Q2 order and backlog growth appears in reported backlog.
- H2 2026New platform revenue begins — New platforms and capacity expansions begin generating revenue, ramping into 2027.
- H2 2026Sealing organic acceleration — High-single-digit H2 organic growth expected, excluding AlpHa and Overlook.
- 2027AST capacity ramps — Arizona Phase 2, Milpitas, and Taiwan additions support customer demand.
- 2027Commercial vehicle recovery optionality — Management sees possible trailer recovery; not in 2026 guidance.
Financials
Annual Summary
| Metric | FY2024 | FY2025 | TTM | YoY |
|---|---|---|---|---|
| Revenue | $1.0B | $1.1B | $1.2B | +9.0% |
| Gross Margin | 42.4% | 42.6% | 42.6% | +25bps |
| EBITDA | $243M | $264M | $1.8B | +9.0% |
| EBITDA Margin | 23.1% | 23.1% | 23.1% | 1bps |
| Net Income | $73M | $40M | $43M | -44.4% |
| Free Cash Flow | $130M | $153M | $1.1B | — |
| Net Cash | — | — | — | — |
Key Ratios (Trailing)
- P/E TTM—
- EV/EBITDA TTM—
- EV/Revenue TTM—
- Price/FCF TTM—
- Gross Margin (TTM)42.6%
- EBITDA Margin (TTM)23.1%
- Net Margin (TTM)3.7%
- ROIC6.2%
- FCF Conversion62.1%
- SBC / Revenue1.2%
The Company
EnPro Inc. makes sealing technologies and advanced surface technologies for critical applications across semiconductor, industrial process, commercial vehicle, aerospace, power generation, food and biopharmaceutical, photonics, and life sciences. Its Advanced Surface Technologies segment cleans, coats, tests, and refurbishes advanced-node semiconductor components; Sealing Technologies makes gaskets, seals, packing, fluid-transfer products, and commercial-vehicle wheel-end components.
As of December 31, 2025, continuing operations had 15 primary manufacturing and service facilities in 8 countries. The largest AST site is a leased 211,000 sq ft facility in Taoyuan City, Taiwan. Management describes a vertical integration process in which new solutions require multiple steps.
Business Segments
Competitive Landscape
The source includes third-party corroboration from Ultra Clean Holdings, which named EnPro among its main competitors in semiconductor chamber-parts cleaning and coating. Management says the company expects to participate and even outperform what the market expects.
- Ultra Clean HoldingsNamed EnPro among its main competitors in semiconductor cleaning and coating services; not discussed in EnPro filings.
- KoMiCoNamed in Ultra Clean's competitor list; not discussed by EnPro.
- SHTNamed in Ultra Clean's competitor list; not discussed by EnPro.
- PentagonNamed in Ultra Clean's competitor list; not discussed by EnPro.
Supply Chain
EnPro sits between semiconductor equipment makers and advanced-node fabs: it supplies cleaning, coating, and chamber components used in chip production, and sells sealing products into industrial aftermarkets.
More on NPO: Earnings recap