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Q4 2025 EARNINGS RELEASE FEBRUARY 3, 2026 - Picture to be updated
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22 Q4 2025 Earnings Release ©2026 Pentair. All Rights Reserved. Forward-Looking Statements This presentation contains statements that we believe to be “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. All statements, other than statements of historical fact, are forward-looking statements. Without limitation, any statements preceded or followed by or that include the words “targets,” “plans,” “believes,” “expects,” “intends,” “will,” “likely,” “may,” “anticipates,” “estimates,” “projects,” “should,” “would,” “could,” “positioned,” “strategy,” or “future” or words, phrases, or terms of similar substance or the negative thereof are forward-looking statements. These forward-looking statements are not guarantees of future performance and are subject to risks, uncertainties, assumptions and other factors, some of which are beyond our control, which could cause actual results to differ materially from those expressed or implied by such forward-looking statements. These factors include the overall global economic and business conditions impacting our business, including the strength of housing and related markets and conditions relating to international hostilities; supply, demand, logistics, competition and pricing pressures related to and in the markets we serve; the ability to achieve the benefits of our restructuring plans, cost reduction initiatives and Transformation Program; the impact of raw material, logistics and labor costs and other inflation; volatility in currency exchange rates and interest rates; failure of markets to accept new product introductions and enhancements; the ability to successfully identify, finance, complete and integrate acquisitions; risks associated with operating foreign businesses; the impact of seasonality of sales and weather conditions; our ability to comply with laws and regulations; the impact of changes in laws, regulations and administrative policy, including those that limit U.S. tax benefits or impact trade agreements and tariffs; the outcome of litigation and governmental proceedings; and the ability to achieve our long-term strategic operating and sustainability goals and targets. Additional information concerning these and other factors is contained in our filings with the U.S. Securities and Exchange Commission, including our Annual Report on Form 10-K for the year ended December 31, 2024. All forward-looking statements, including all financial forecasts, speak only as of the date of this presentation. Pentair assumes no obligation, and disclaims any obligation, to update the information contained in this presentation.
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33 Q4 2025 Earnings Release ©2026 Pentair. All Rights Reserved. Key Definitions • Except as otherwise noted, our results represent continuing operations for the period indicated, presented on an adjusted basis • Core sales refers to GAAP net sales from continuing operations excluding: (1) the impact of currency translation and (2) the impact of net sales from acquired businesses recorded prior to the first anniversary of the acquisition, excluding the excess over prior year net sales of the acquired business less the net sales attributable to discontinued or divested businesses/product lines not considered discontinued operations • Reportable segment income ("segment income") represents operating income of each reportable segment inclusive ofequity income of unconsolidated subsidiaries and exclusive of non-cash intangible amortization, certain acquisition related expenses, costs of transformation and restructuring activities, impairments, and other unusual non-operating items • Adjusted operating income represents consolidated operating income inclusive of equity income of unconsolidated subsidiaries and exclusive of non-cash intangible amortization, certain acquisition related expenses, costs of transformation and restructuring activities, impairments, and other unusual non-operating items • Earnings before interest, taxes, depreciation and amortization (“EBITDA”) represents adjusted operating income plus depreciation • Adjusted return on sales ("ROS") equals segment income divided by segment net sales or, on a consolidated basis, adjusted operating income divided by total net sales • Results of Transformation initiatives reflected in Price column in Sales walks and Vol/Price/Acq./Div. and Productivity columns in Adjusted Operating Income and Segment Income walks; Mix and impact of discontinued or divested businesses/product lines included in Vol/Price/Acq./Div. column • See appendix for GAAP to non-GAAP reconciliations
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4 Executive Summary – Q4’25 Sales Adjusted Operating Income Adjusted EPS Q4'24 Q4'25 Q4'24 Q4'25 Q4'24 Q4'25 $973M $1,021M $231M $252M $1.18$1.08 5% YoY 9% YoY 9% YoY 4 ROS Q4'24 Q4'25 23.8% 24.7% 90 bps YoY ❑ Q4’25 Performance: − Sales up 5% − Adjusted Operating Income up 9% − ROS expanded 90 bps − Adjusted EPS increased 9% Q4 2025 Earnings Release ©2026 Pentair. All Rights Reserved. ❑ Adjusted Operating Income increased 9% and Adjusted EPS rose 9% Delivered strong sales growth and higher profitability driven by continued execution ❑ Sales exceeded $1 billion with growth led by Pool (Up 11%) and Flow (Up 9%) ❑ Exiting 2025 with a proven operating model, solid balance sheet, and strong free cash flow ❑ Transformation contributed to strong margin expansion for the 15th consecutive quarter ❑ Positioning for continued growth with changes to the executive leadership team including new and expanded roles
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5 Executive Summary – FY’25 Sales Adjusted Operating Income Adjusted EPS FY'24 FY'25 FY'24 FY'25 FY'24 FY'25 $4,083M $4,176M $959M $1,054M $4.92 $4.33 2% YoY 14% YoY 10% YoY 5 ROS FY'24 FY'25 23.5% 25.2% 170 bps YoY ❑ FY’25 Performance: − Sales up 2% − Adjusted Operating Income up 10% − ROS expanded 170 bps − Adjusted EPS increased 14% Q4 2025 Earnings Release ©2026 Pentair. All Rights Reserved. ❑ Launched exciting new product innovation in Flow, Water Solutions and Pool ❑ ROS expanded to a record* 25.2% including record* annual ROS across all three segments Resilient Water Portfolio Led to Record* Annual Sales, Adj. Operating Income, ROS and Adj. EPS ❑ Introducing FY’26 Adjusted EPS guidance range of ~$5.25 to $5.40, an increase of ~8% at midpoint ❑ Record* Free Cash Flow of $748 million and $225 million of share repurchases ❑ Solid execution across our resilient water portfolio drove record* financial performance *Reflects a record following the nVent separation from Pentair in 2018 ❑ 2026 will mark the 50th consecutive year of increased dividends; dividend aristocrat and dividend king status
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6 Aligning Organization in 2026 for Accelerated Success Residential Flow Moves to Residential Water Solutions Beginning in Q1 2026 2025 2026 Q4 2025 Earnings Release ©2026 Pentair. All Rights Reserved. Realignment Expected to Drive Growth Opportunities and Operational Efficiencies
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7 Key Takeaways Q4 2025 Earnings Release ©2026 Pentair. All Rights Reserved. 2025 was another record* year for Pentair1 2 3 4 Clear strategy, a proven operating model, and an energized leadership team focused on a balanced contribution from transformation and growth 5 Remain confident in our ability to drive sustained performance creating value for our customers, employees, and our shareholders Solid financial foundation and balanced capital allocation strategy Continued to deliver strong margin expansion, sales and earnings growth, and robust free cash flow *Reflects a record following the nVent separation from Pentair in 2018
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8 Q4’25 Pentair Performance Total Sales up 5% Core Sales up 4% • Flow up 4% • Water Solutions down 4% • Pool up 9% (1 pt) ($2M) Q4’24 FX Q4’25PriceVolume ($22M) $973M $58M $14M $1,021M (2 pts) 6 pts 0 pts 1 pt 5 pts Acq./Div. 5% YoY Sales Adjusted Operating Income 24.7% ROS Q4’24 Q4’25Prod.Inflation $53M $231M ($46M) $18M $252M 4.5% (0.7%) (4.8%) 1.9% 9% YoY Vol/Price Acq./Div. 23.8% ROS FX Adjusted Operating Income up 9% ROS 24.7% ... up 90 bps Adjusted EPS $1.18 … up 9% • Adjusted Tax Rate of 16.5% • Net interest expense of $18M; Shares 164.7M ($4M) Q4 2025 Earnings Release ©2025 Pentair. All Rights Reserved. Q4 2025 Earnings Release ©2026 Pentair. All Rights Reserved.
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9 FY’25 Pentair Performance Total Sales up 2% Core Sales up 2% • Flow up 1% • Water Solutions down 3% • Pool up 7% (1 pt) ($6M) FY’24 FX FY’25PriceVolume ($88M) $4,083M $164M $23M $4,176M (2 pts) 4 pts 0 pts 0 pts 2 pts Acq./Div. 2% YoY Sales Adjusted Operating Income 25.2% ROS FY’24 FY’25Prod.Inflation $162M $959M ($143M) $75M $1,054M 3.5% (0.1%) (3.5%) 1.8% 10% YoY Vol/Price Acq./Div. 23.5% ROS FX Adjusted Operating Income up 10% ROS 25.2% ... up 170 bps Adjusted EPS $4.92 … up 14% • Adjusted Tax Rate of 16.9% • Net interest expense of $73M; Shares 165.5M $1M Q4 2025 Earnings Release ©2025 Pentair. All Rights Reserved. Q4 2025 Earnings Release ©2026 Pentair. All Rights Reserved.
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10 Note: Not included in Segment Income is non-cash amortization of $1M in Q4’24 and $3M in Q4’25. Q4’25 Flow Performance Q4 2025 Earnings Release ©2026 Pentair. All Rights Reserved. (1 pt) Q4’24 FX Q4’25PriceVolume ($3M) $361M $16M $9M $11M $394M 0 pts 4 pts 2 pts 3 pts 9 pts Acq./Div. 9% YoY Sales Segment Income 22.8% ROS Q4’24 Q4’25Prod.Inflation $18M $74M $1M ($10M) $7M $90M 3.6% (0.2%) (2.8%) 1.8% 22% YoY Vol/Price Acq./Div. 20.4% ROS FX Flow • Residential sales up 4% • Commercial sales up 12% • Industrial Solutions sales up 12% Segment Income up 22% ROS 22.8% ... up 240 bps • Price more than offset inflation • Transformation drove strong productivity Move Water
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11 Note: Not included in Segment Income is non-cash amortization of $5M in FY’24 and $7M in FY’25. FY’25 Flow Performance Q4 2025 Earnings Release ©2026 Pentair. All Rights Reserved. (1 pt) FY’24 FX FY’25PriceVolume ($37M) $1,514M $49M $10M $18M $1,554M (2 pts) 3 pts 1 pt 1 pt 3 pts Acq./Div. 3% YoY Sales Segment Income 23.3% ROS FY’24 FY’25Prod.Inflation $53M $318M $4M ($45M) $32M $362M 3.2% 0.0% (3.0%) 2.1% 14% YoY Vol/Price Acq./Div. 21.0% ROS FX Flow • Residential sales flat • Commercial sales up 5% • Industrial Solutions sales up 3% Segment Income up 14% ROS 23.3% ... up 230 bps • Transformation drove significant margin expansion • Price more than offset inflation Move Water
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12 Q4’25 Water Solutions Performance Q4 2025 Earnings Release ©2026 Pentair. All Rights Reserved. Commercial • Sales down 15% (inclusive of -11% impact from Q2’25 business exit) (1 pt) Q4’24 FX Q4’25PriceVolume ($22M) $258M $12M ($19M) $3M $232M (9 pts) 5 pts (7 pts) 1 pt (10 pts) Acq./Div. (10%) YoY Sales Segment Income 23.5% ROS Q4’24 Q4’25Prod.Inflation $3M$62M ($5M) ($8M) $3M $55M 3.7% (2.3%) (3.3%) 1.3% (12%) YoY Vol/Price Acq./Div. 24.1% ROS FX Segment Income down 12% ROS 23.5% ... down 60 bps • FX and volume headwinds • Price offset inflationResidential • Sales down 1% Improve Water Note: Not included in Segment Income is non-cash amortization of $11M in Q4’24 and Q4’25.
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13 FY’25 Water Solutions Performance Q4 2025 Earnings Release ©2026 Pentair. All Rights Reserved. Commercial • Sales down 7% (inclusive of -5% impact from Q2’25 business exit) (1 pt) FY’24 FX FY’25PriceVolume ($71M) $1,131M $42M ($45M) $5M $1,062M (7 pts) 4 pts (4 pts) 1 pt (6 pts) Acq./Div. (6%) YoY Sales Segment Income 23.9% ROS FY’24 FY’25Prod.Inflation $13M$255M ($4M) ($38M) $28M $254M 2.6% (0.4%) (3.4%) 2.5% ~Flat YoY Vol/Price Acq./Div. 22.6% ROS FX Segment Income flat ROS 23.9% ... up 130 bps • Price offset inflation • Transformation drove significant productivity Residential • Sales down 5% (inclusive of portfolio exits) Improve Water Note: Not included in Segment Income is non-cash amortization of $43M in FY’24 and $42M in FY’25.
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14 Q4’25 Pool Performance Q4 2025 Earnings Release ©2026 Pentair. All Rights Reserved. Pool • Sales up 11% driven primarily by price (1 pt) Q4’24 FX Q4’25PriceVolume $1M$354M $30M $8M $393M 1 pt 8 pts 2 pts 0 pts 11 pts Acq./Div. 11% YoY Sales Segment Income 33.6% ROS Q4’24 Q4’25Prod.Inflation $31M $119M ($27M) $9M $132M 4.9% 0.0% (7.6%) 2.5% 11% YoY Vol/Price Acq./Div. 33.8% ROS FX Segment Income up 11% ROS 33.6% ... down 20 bps • Transformation drove strong productivity, slightly offset by continued investments in growth initiatives • Price offset inflation • Rising inflation from metals Enjoy Water Note: Not included in Segment Income is non-cash amortization of $2M in Q4’24 and Q4’25. Flat Flat
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15 FY’25 Pool Performance Q4 2025 Earnings Release ©2026 Pentair. All Rights Reserved. Pool • Sales up 9% driven by price, acquisition and volume (1 pt) FY’24 FX FY’25PriceVolume $21M$1,436M $73M $29M $1,559M 2 pts 5 pts 2 pts 0 pts 9 pts Acq./Div. 9% YoY Sales Segment Income 33.8% ROS FY’24 FY’25Prod.Inflation $96M $476M ($55M) $9M $527M 3.8% 0.1% (3.9%) 0.6% 11% YoY Vol/Price Acq./Div. 33.2% ROS FX Segment Income up 11% ROS 33.8% ... up 60 bps • Price more than offset inflation • Margin expansion driven by sales growth and Transformation Enjoy Water Note: Not included in Segment Income is non-cash amortization of $6M in FY’24 and $9M in FY’25. Flat $1M
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16 Balance Sheet and Cash Flow 12/31/2025 12/31/2024 Beginning Debt $1,648 $1,988 Used (Generated) Cash (748) (693) Share Repurchase 225 150 Dividends 164 152 Acquisition / Other 350 51 Ending Debt $1,639 $1,648 • Net Debt/EBITDA of 1.4x • ROIC of 16.7% • $225M of share repurchases • 50th consecutive year of dividend increases; maintaining dividend aristocrat status • Acquisition of Hydra-Stop for $292M in September Debt Summary Cash Flow ($M) Debt Roll-Forward ($M) Other Items Maturity 12/31/2025 $1,086M** ~65% Fixed 2029 – 2032 $1,639M* $553M ~35% Variable 2027 – 2030 *Does Not Include $102M of Cash on Hand **Includes $300M Float-to-Fixed Rate Swap FY 2025 FY 2024 Net Income – Continuing Ops $650 $626 Amortization 58 54 Subtotal $708 $680 Depreciation 60 60 Capital Expenditures (69) (74) Asset Sales 2 1 Working Capital (110) 39 Other Accruals/Other 157 (13) Free Cash Flow – Total $748 $693 Q4 2025 Earnings Release ©2026 Pentair. All Rights Reserved.
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17 • Resilient water portfolio and focused growth strategy • Introduced FY’26 Adjusted EPS guidance of ~$5.25 to $5.40; growth of ~7% to 10% • Q1’26 Adjusted EPS guide in-line with historical linearity • Transformation initiatives and 80/20 drive further margin expansion • Balanced capital allocation strategy to drive optimized shareholder value • Well-positioned to capture secular water trends and confident in our long-term value creation Q1 and Full Year 2026 Pentair Outlook & Expectations • Corp. Expense ~$90M • Net Interest ~$67M • Adjusted Tax Rate of ~17% • Shares ~165M Adjusted EPS of $5.25 to $5.40, up ~7% to 10% • Targeting FCF = ~100% of Net Income • Capital Expenditures ~$80M • D&A of ~$130M and ~$35M of Non-Cash Stock Comp Q1’26 FY’26 Sales Other Items Cash Flow Total Sales up ~1% to 2% (~$1,020M to $1,030M) Adjusted Operating Income up ~2% to 5% Total Sales up ~3% to 4% (~$4,280M to $4,330M) Adjusted Operating Income up ~5% to 8% Adjusted EPS $1.15 to $1.18, up ~4% to 6% • Corp. Expense ~$32M • Net Interest ~$20M • Adjusted Tax Rate of ~17% • Shares ~165M Income Adj. EPS Q4 2025 Earnings Release ©2026 Pentair. All Rights Reserved. Sales EBITDA • EBITDA ~$1.2 billion at midpoint
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18 2024 Investor Day18 Estimated Incremental Tariff Impact in 2026* Q4 2025 Earnings Release ©2026 Pentair. All Rights Reserved. China: Mexico: European Union: UPDATE ON ACTIONS TAKEN & ASSUMPTIONS IN GUIDANCE ❑ Executing well and leveraging pricing actions and mitigation strategies to help offset tariff impact ❑ Total 2026 incremental tariff impact of ~$30M ❑ Incremental tariffs began after Q1’25 ❑ Continued metal inflation ❑ Reduced reliance on China for supply and production over the last three years *As of February 2, 2026. Rest of World: Total YoY Tariff Impact: $70M ~$30M* 2025 2026* $10M ~$2M $6M ~$4M $17M ~$10M $10M ~$14MSteel, Aluminum, Copper: INCREMENTAL TARIFF IMPACT $27M ~$0M
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19 Upcoming Investor Day 2026 19 Q4 2025 Earnings Release ©2026 Pentair. All Rights Reserved. March 4, 2026 Updated Long-Term Strategy & Outlook Growth Strategies & Expectations Pentair Business System – Transformation & Growth New Product Launches & Innovation
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20 Pentair is Well-Positioned with a Capital-Lite Model 2025 was another record* year for the company Clear strategy, proven operating model, and an energized leadership team 80/20 and Transformation expected to drive sales growth, strong margin expansion, and Adjusted EPS growth Focused water strategy and solid execution continued to build a foundation with optimal operational efficiency to drive long-term growth, profitability, and shareholder value Q4 2025 Earnings Release ©2026 Pentair. All Rights Reserved. Continued confidence in our long-term strategy fueled in part by favorable secular trends 1 2 3 4 5 *Reflects a record following the nVent separation from Pentair in 2018
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21 We Believe Pentair is a Compelling Investment Opportunity An industry leader with a balanced, innovative water portfolio Favorable secular trends driving end market growth Sustainability focus on People, Planet and Governance to provide smart, sustainable water solutions Transformation initiatives to drive operational efficiencies and margin expansion Additional value creation from strong balance sheet and cash flow 21 Dividend aristocrat & king – 50 consecutive years of dividend increases Q4 2025 Earnings Release ©2026 Pentair. All Rights Reserved.
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Pentair Overview Reference Slides
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Pentair Snapshot (NYSE: PNR) Helping the World Sustainably Move, Improve and Enjoy Water – Life’s Most Essential Resource 2025 Sales: $4,176M U.S. ~70% ROW ~30% Balanced, Focused Businesses 25.2% ROS (2025) Focus on Profitability Dividend Aristocrat & Dividend King 50 YEARS Annual Dividend Increase Strong Cash Flow and Solid Returns Mid-Teens ROIC (2025) OEM, Direct, Other ~25% Trade / Channel Partners ~75% End Markets Geography $1.1B of EBITDA Strong Balance Sheet 1.4x Net Debt-to-EBITDA Leverage Ratio(2025) (2025) 24 Q4 2025 Earnings Release ©2026 Pentair. All Rights Reserved.
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2525 . Pentair’s Multi-Year Performance $2,957 $3,018 $3,765 $4,122 $4,105 $4,083 $4,176 17.5% 17.2% 18.2% 18.6% 20.8% 23.5% 25.2% 2019 2020 2021 2022 2023 2024 2025 $1,344 $1,274 $1,421 $1,501 $1,582 $1,514 $1,554 14.8% 12.9% 15.0% 16.1% 17.8% 21.0% 23.3% 2019 2020 2021 2022 2023 2024 2025 $626 $619 $770 $987 $1,177 $1,131 $1,062 16.8% 15.8% 13.2% 15.1% 21.0% 22.6% 23.9% 2019 2020 2021 2022 2023 2024 2025 $985 $1,124 $1,572 $1,633 $1,344 $1,436 $1,559 27.8% 28.6% 28.8% 28.3% 31.0% 33.2% 33.8% 2019 2020 2021 2022 2023 2024 2025 A Leader in Helping the World Sustainably Move, Improve and Enjoy Water, Life’s Most Essential Resource Delivering water where it’s needed, when it’s needed, more efficiently and transforming waste into value MOVE Water IMPROVE Water ENJOY Water Innovative, energy efficient pool solutions to help people more sustainably enjoy water Providing great tasting, higher-quality water and ice while helping people use water more productively We help the world sustainably move, improve and enjoy water, life’s most essential resource Smart, Sustainable Water Solutions Sales ($ millions) ROS % Q4 2025 Earnings Release ©2026 Pentair. All Rights Reserved. 25 Q4 2025 Earnings Release ©2026 Pentair. All Rights Reserved.
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26 Transformation Initiatives Targeting 26% ROS by FY’26*, Expansion of Over 700 Basis Points from 2022 Q4 2025 Earnings Release ©2026 Pentair. All Rights Reserved. Organizational Effectiveness Sourcing Excellence Operational Excellence Material Costs OCOGS Other Expenses 2022 Pricing ExcellenceSales FY’22 ROS 18.6% FY’24 ROS 23.5%FY’23 ROS 20.8% Material Costs OCOGS Other Expenses ROS ~26% Sales 2026T *Up from 24% as initially guided at our March 2024 Investor Day FY’25 ROS 25.2% 26 Q4 2025 Earnings Release ©2026 Pentair. All Rights Reserved.
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27 2024 Investor Day27 Transformation & 80/20 Continues to Expand Margins Pentair Business System Pricing Excellence Sourcing Excellence Operational Excellence Organizational Effectiveness Digital Enterprise Complexity Reduction 80/20 Approach Q4 2025 Earnings Release ©2026 Pentair. All Rights Reserved. Drove ~$250M in Transformation Savings (2023-2025, net of investments) 80/20 a Net Growth Initiative, Enabler to Transformation; Helping to Absorb Inflation and Incremental Costs Expect Sourcing Waves 1 & 2 to Continue to Drive Savings; Implementing Wave 3 Driving Operational Efficiency in Factories; Optimizing Footprint Expect to Deliver ~$70M in Transformation and 80/20 Savings in 2026 (net of investments) 1 2 3 4 5
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Appendix GAAP TO NON-GAAP MEASUREMENTS & RECONCILIATIONS
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29 Reported To Adjusted 2025 Reconciliation Q4 2025 Earnings Release ©2026 Pentair. All Rights Reserved. Pentair plc and Subsidiaries Reconciliation of the GAAP Year Ended December 31, 2025 to the Non-GAAP Excluding the Effect of 2025 Adjustments (Unaudited) In millions, except per-share data First Quarter Second Quarter Third Quarter Fourth Quarter Full Year Net sales $ 1,010.4 $ 1,123.1 $ 1,022.0 $ 1,020.5 $ 4,176.0 Operating income 203.1 217.7 231.7 205.0 857.5 Return on sales 20.1 % 19.4 % 22.7 % 20.1 % 20.5 % Adjustments: Restructuring and other 10.5 10.4 0.2 10.2 31.3 Transformation costs 9.1 12.5 10.8 8.4 40.8 Intangible amortization 14.2 14.3 13.9 15.7 58.1 Legal accrual adjustments and settlements — — — 11.6 11.6 Asset impairment and write-offs 5.2 41.8 1.5 0.6 49.1 Deal-related costs and expenses — — 4.1 — 4.1 Equity income of unconsolidated subsidiaries 0.4 — 0.4 0.2 1.0 Adjusted operating income 242.5 296.7 262.6 251.7 1,053.5 Adjusted return on sales 24.0 % 26.4 % 25.7 % 24.7 % 25.2 % Net income from continuing operations—as reported 154.9 148.5 184.3 161.8 649.5 Loss on sale of business — 26.3 — — 26.3 Pension and other post-retirement mark-to-market loss — — — 2.4 2.4 Adjustments to operating income 39.0 79.0 30.5 46.5 195.0 Income tax adjustments (9.7) (23.3) (9.5) (16.0) (58.5) Net income from continuing operations—as adjusted $ 184.2 $ 230.5 $ 205.3 $ 194.7 $ 814.7 Continuing earnings per ordinary share—diluted Diluted earnings per ordinary share—as reported $ 0.93 $ 0.90 $ 1.12 $ 0.98 $ 3.93 Adjustments 0.18 0.49 0.12 0.20 0.99 Diluted earnings per ordinary share—as adjusted $ 1.11 $ 1.39 $ 1.24 $ 1.18 $ 4.92
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30 Reported To Adjusted 2024 Reconciliation Q4 2025 Earnings Release ©2026 Pentair. All Rights Reserved. Pentair plc and Subsidiaries Reconciliation of GAAP to Non-GAAP Financial Measures for the Year Ended December 31, 2024 Excluding the Effect of 2024 Adjustments (Unaudited) In millions, except per-share data First Quarter Second Quarter Third Quarter Fourth Quarter Full Year Net sales $ 1,017.2 $ 1,099.3 $ 993.4 $ 972.9 $ 4,082.8 Operating income 180.8 248.0 179.9 195.1 803.8 Return on sales 17.8 % 22.6 % 18.1 % 20.1 % 19.7 % Adjustments: Restructuring and other 4.6 5.9 23.4 3.1 37.0 Transformation costs 17.0 11.8 12.6 10.7 52.1 Intangible amortization 13.5 13.4 13.5 13.9 54.3 Legal accrual adjustments and settlements (0.3) (7.9) 0.7 — (7.5) Asset impairment and write-offs 0.8 — 8.5 8.3 17.6 Equity income of unconsolidated subsidiaries 0.9 0.2 0.6 0.2 1.9 Adjusted operating income 217.3 271.4 239.2 231.3 959.2 Adjusted return on sales 21.4 % 24.7 % 24.1 % 23.8 % 23.5 % Net income from continuing operations—as reported 133.5 186.1 139.6 166.4 625.6 Pension and other post-retirement mark-to-market gain — — — (5.3) (5.3) Other (income) expense — — (0.5) 0.1 (0.4) Adjustments to operating income 35.6 23.2 58.7 36.0 153.5 Income tax adjustments (11.3) (5.4) (15.4) (17.6) (49.7) Net income from continuing operations—as adjusted $ 157.8 $ 203.9 $ 182.4 $ 179.6 $ 723.7 Continuing earnings per ordinary share—diluted Diluted earnings per ordinary share—as reported $ 0.80 $ 1.11 $ 0.84 $ 0.99 $ 3.74 Adjustments 0.14 0.11 0.25 0.09 0.59 Diluted earnings per ordinary share—as adjusted $ 0.94 $ 1.22 $ 1.09 $ 1.08 $ 4.33
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31 Reported To Adjusted 2023 Reconciliation Q4 2025 Earnings Release ©2026 Pentair. All Rights Reserved. (1) Income tax adjustments in the fourth quarter include $74.3 million resulting from favorable impacts of worthless stock deductions related to exiting certain businesses in our Water Solutions segment and favorable discrete items primarily related to the recognition of deferred tax assets. Pentair plc and Subsidiaries Reconciliation of GAAP to Non-GAAP Financial Measures for the Year Ended December 31, 2023 Excluding the Effect of 2023 Adjustments (Unaudited) In millions, except per-share data First Quarter Second Quarter Third Quarter Fourth Quarter Full Year Net sales $ 1,028.6 $ 1,082.5 $ 1,008.8 $ 984.6 $ 4,104.5 Operating income 183.6 208.5 180.1 167.0 739.2 Return on sales 17.8 % 19.3 % 17.9 % 17.0 % 18.0 % Adjustments: Restructuring and other 2.9 0.6 1.6 (1.7) 3.4 Transformation costs 8.5 6.0 13.5 16.3 44.3 Intangible amortization 13.8 13.9 13.8 13.8 55.3 Legal accrual adjustments and settlements (1.9) 4.1 — — 2.2 Asset impairment and write-offs 3.9 0.5 1.8 1.7 7.9 Equity income of unconsolidated subsidiaries 0.2 0.6 1.3 0.7 2.8 Adjusted operating income 211.0 234.2 212.1 197.8 855.1 Adjusted return on sales 20.5 % 21.6 % 21.0 % 20.1 % 20.8 % Net income from continuing operations—as reported 128.5 154.2 132.1 208.1 622.9 Pension and other post-retirement mark-to-market loss — — — 6.1 6.1 Other income — (5.1) — — (5.1) Adjustments to operating income 27.2 25.1 30.7 30.1 113.1 Income tax adjustments (1) (4.6) (3.1) (6.6) (98.5) (112.8) Net income from continuing operations—as adjusted $ 151.1 $ 171.1 $ 156.2 $ 145.8 $ 624.2 Continuing earnings per ordinary share—diluted Diluted earnings per ordinary share—as reported $ 0.78 $ 0.93 $ 0.79 $ 1.25 $ 3.75 Adjustments 0.13 0.10 0.15 (0.38) — Diluted earnings per ordinary share—as adjusted $ 0.91 $ 1.03 $ 0.94 $ 0.87 $ 3.75
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32 Reported To Adjusted 2022 Reconciliation Q4 2025 Earnings Release ©2026 Pentair. All Rights Reserved. Pentair plc and Subsidiaries Reconciliation of GAAP to Non-GAAP Financial Measures for the Year Ended December 31, 2022 Excluding the Effect of 2022 Adjustments (Unaudited) In millions, except per-share data First Quarter Second Quarter Third Quarter Fourth Quarter Full Year Net sales $ 999.6 $ 1,064.2 $ 1,055.1 $ 1,002.9 $ 4,121.8 Operating income 145.8 190.8 147.1 111.6 595.3 Return on sales 14.6 % 17.9 % 13.9 % 11.1 % 14.4 % Adjustments: Restructuring and other 2.1 1.1 12.5 16.7 32.4 Transformation costs 5.5 5.2 10.1 6.4 27.2 Intangible amortization 6.6 6.3 18.5 21.1 52.5 Inventory step-up — — 5.8 — 5.8 Legal accrual adjustments and settlements (0.7) 0.5 — 0.4 0.2 Asset impairment and write-offs — — — 25.6 25.6 Deal-related costs and expenses 6.4 1.6 13.4 0.8 22.2 Russia business exit impact 5.9 — (0.8) (0.4) 4.7 Equity income of unconsolidated subsidiaries 0.5 0.4 0.3 0.6 1.8 Adjusted operating income 172.1 205.9 206.9 182.8 767.7 Adjusted return on sales 17.2 % 19.3 % 19.6 % 18.2 % 18.6 % Net income from continuing operations—as reported 118.5 153.0 115.4 96.3 483.2 Gain on sale of businesses — — (0.2) — (0.2) Pension and other post-retirement mark-to-market gain — — — (17.5) (17.5) Amortization of bridge financing fees 2.6 5.1 1.3 — 9.0 Adjustments to operating income 25.8 14.7 59.5 70.6 170.6 Income tax adjustments (5.4) (3.8) (12.3) (14.4) (35.9) Net income from continuing operations—as adjusted $ 141.5 $ 169.0 $ 163.7 $ 135.0 $ 609.2 Continuing earnings per ordinary share—diluted Diluted earnings per ordinary share—as reported $ 0.71 $ 0.92 $ 0.70 $ 0.58 $ 2.92 Adjustments 0.14 0.10 0.29 0.24 0.76 Diluted earnings per ordinary share—as adjusted $ 0.85 $ 1.02 $ 0.99 $ 0.82 $ 3.68
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33 Reported To Adjusted 2021 Reconciliation Q4 2025 Earnings Release ©2026 Pentair. All Rights Reserved. Pentair plc and Subsidiaries Reconciliation of GAAP to Non-GAAP Financial Measures for the Year Ended December 31, 2021 Excluding the Effect of 2021 Adjustments (Unaudited) In millions, except per-share data First Quarter Second Quarter Third Quarter Fourth Quarter Full Year Net sales $ 865.9 $ 941.1 $ 969.2 $ 988.6 $ 3,764.8 Operating income 157.1 161.8 167.3 150.7 636.9 Return on sales 18.1 % 17.2 % 17.3 % 15.2 % 16.9 % Adjustments: Restructuring and other 1.5 3.9 0.1 2.0 7.5 Transformation costs — 1.9 4.0 5.8 11.7 Intangible amortization 7.1 6.3 6.0 6.9 26.3 COVID-19 related costs and expenses 0.2 0.1 0.1 0.2 0.6 Legal accrual adjustments and settlements (2.4) — — (5.2) (7.6) Inventory step-up — — — 2.3 2.3 Deal-related costs and expenses 0.7 1.0 2.1 4.1 7.9 Equity income (loss) of unconsolidated subsidiaries 0.2 (0.1) 0.1 0.1 0.3 Adjusted operating income 164.4 174.9 179.7 166.9 685.9 Adjusted return on sales 19.0 % 18.6 % 18.5 % 16.9 % 18.2 % Net income from continuing operations—as reported 131.1 132.6 143.7 148.6 556.0 Gain on sale of businesses — — (1.4) — (1.4) Pension and other post-retirement mark-to-market gain — — — (2.4) (2.4) Other income — (0.3) — — (0.3) Adjustments to operating income 7.1 13.2 12.3 16.1 48.7 Income tax adjustments (2.4) (4.6) (6.2) (17.0) (30.2) Net income from continuing operations—as adjusted $ 135.8 $ 140.9 $ 148.4 $ 145.3 $ 570.4 Continuing earnings per ordinary share—diluted Diluted earnings per ordinary share—as reported $ 0.78 $ 0.79 $ 0.86 $ 0.89 $ 3.32 Adjustments 0.03 0.05 0.03 (0.02) 0.08 Diluted earnings per ordinary share—as adjusted $ 0.81 $ 0.84 $ 0.89 $ 0.87 $ 3.40
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34 Reported To Adjusted 2019-2020 Reconciliations Q4 2025 Earnings Release ©2026 Pentair. All Rights Reserved. In millions, except per-share data 2019 2020 Net sales $ 2,957.2 $ 3,017.8 Operating income 432.5 461.4 Return on sales 14.6% 15.3% Adjustments: Restructuring and other 21.0 15.4 Intangible amortization 31.7 28.4 COVID-19 related costs and expenses - 10.4 Asset impairment 21.2 - Inventory step-up 2.2 - Deal-related costs and expenses 4.2 0.6 Equity income of unconsolidated subsidiaries 3.5 1.4 Adjusted operating income 516.3 517.6 Adjusted return on sales 17.5% 17.2% Net income from continuing operations—as reported 361.7 357.1 (Gain) loss on sale of businesses (2.2) 0.1 Pension and other post-retirement mark-to-market (gain) loss (3.4) 6.7 Other income - (2.2) Adjustments to operating income 80.3 54.8 Income tax adjustments (31.4) 2.7 Net income from continuing operations—as adjusted $ 405.0 $ 419.2 Continuing earnings per ordinary share—diluted Diluted earnings per ordinary share—as reported $ 2.12 $ 2.13 Adjustments 0.26 0.37 Diluted earnings per ordinary share—as adjusted $ 2.38 $ 2.50 Pentair plc and Subsidiaries Reconciliation of GAAP to Non-GAAP Financial Measures for the Years Ended December 31, 2019 and 2020 Excluding the Effect of 2019 and 2020 Adjustments (Unaudited)
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35 Segment Information Q4 2025 Earnings Release ©2026 Pentair. All Rights Reserved. Pentair plc and Subsidiaries Supplemental Financial Information by Reportable Segment (Unaudited) 2025 2024 2023 In millions First Quarter Second Quarter Third Quarter Fourth Quarter Full Year First Quarter Second Quarter Third Quarter Fourth Quarter Full Year First Quarter Second Quarter Third Quarter Fourth Quarter Full Year Net sales Flow $ 367.9 $ 397.3 $ 394.0 $ 394.4 $1,553.6 $ 384.3 $ 396.8 $ 372.2 $ 360.7 $1,514.0 $ 391.8 $ 411.6 $ 400.2 $ 378.5 $1,582.1 Water Solutions 258.2 298.3 273.3 232.3 1,062.1 273.1 310.5 289.5 257.9 1,131.0 272.0 336.2 299.4 269.6 1,177.2 Pool 383.9 427.2 354.3 393.4 1,558.8 359.5 391.5 331.4 353.7 1,436.1 364.3 334.3 308.8 336.2 1,343.6 Reportable segment net sales 1,010.0 1,122.8 1,021.6 1,020.1 4,174.5 1,016.9 1,098.8 993.1 972.3 4,081.1 1,028.1 1,082.1 1,008.4 984.3 4,102.9 Corporate and other 0.4 0.3 0.4 0.4 1.5 0.3 0.5 0.3 0.6 1.7 0.5 0.4 0.4 0.3 1.6 Net sales $1,010.4 $1,123.1 $1,022.0 $1,020.5 $4,176.0 $1,017.2 $1,099.3 $ 993.4 $ 972.9 $4,082.8 $1,028.6 $1,082.5 $1,008.8 $ 984.6 $4,104.5 Reportable segment income (loss) Flow $ 83.6 $ 93.1 $ 95.3 $ 90.1 $ 362.1 $ 77.3 $ 84.4 $ 82.8 $ 73.6 $ 318.1 $ 65.0 $ 74.8 $ 77.5 $ 65.0 $ 282.3 Water Solutions 60.7 70.2 68.4 54.6 253.9 55.6 72.9 64.4 62.2 255.1 52.4 74.8 68.8 51.6 247.6 Pool 126.0 152.7 116.2 132.2 527.1 110.8 133.6 112.7 119.4 476.5 116.2 105.1 90.6 105.1 417.0 Reportable segment income 270.3 316.0 279.9 276.9 1,143.1 243.7 290.9 259.9 255.2 1,049.7 233.6 254.7 236.9 221.7 946.9 Corporate and other (27.8) (19.3) (17.3) (25.2) (89.6) (26.4) (19.5) (20.7) (23.9) (90.5) (22.6) (20.5) (24.8) (23.9) (91.8) Adjusted operating income $ 242.5 $ 296.7 $ 262.6 $ 251.7 $1,053.5 $ 217.3 $ 271.4 $ 239.2 $ 231.3 $ 959.2 $ 211.0 $ 234.2 $ 212.1 $ 197.8 $ 855.1 Return on sales Flow 22.7 % 23.4 % 24.2 % 22.8 % 23.3 % 20.1 % 21.3 % 22.2 % 20.4 % 21.0 % 16.6 % 18.2 % 19.4 % 17.2 % 17.8 % Water Solutions 23.5 % 23.5 % 25.0 % 23.5 % 23.9 % 20.4 % 23.5 % 22.2 % 24.1 % 22.6 % 19.3 % 22.2 % 23.0 % 19.1 % 21.0 % Pool 32.8 % 35.7 % 32.8 % 33.6 % 33.8 % 30.8 % 34.1 % 34.0 % 33.8 % 33.2 % 31.9 % 31.4 % 29.3 % 31.3 % 31.0 % Adjusted return on sales 24.0 % 26.4 % 25.7 % 24.7 % 25.2 % 21.4 % 24.7 % 24.1 % 23.8 % 23.5 % 20.5 % 21.6 % 21.0 % 20.1 % 20.8 %
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36 Core Sales Growth Reconciliation Q4 2025 Earnings Release ©2026 Pentair. All Rights Reserved. Pentair plc and Subsidiaries Reconciliation of Net Sales Growth to Core Net Sales Growth by Reportable Segment For the Quarter and Year Ended December 31, 2025 (Unaudited) Q4 Net Sales Growth Full Year Net Sales Growth Core Currency Acq. / Div. Total Core Currency Acq. / Div. Total Total Pentair 3.7 % 1.4 % (0.2)% 4.9 % 1.9 % 0.5 % (0.1)% 2.3 % Flow 4.0 % 2.9 % 2.4 % 9.3 % 0.8 % 1.1 % 0.7 % 2.6 % Water Solutions (3.7) % 1.1 % (7.3) % (9.9) % (2.6) % 0.5 % (4.0) % (6.1) % Pool 8.9 % 0.1 % 2.2 % 11.2 % 6.5 % — % 2.0 % 8.5 %
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37 Free Cash Flow Reconciliation Q4 2025 Earnings Release ©2026 Pentair. All Rights Reserved. Pentair plc and Subsidiaries Reconciliation of the GAAP Operating Activities Cash Flow to the Non -GAAP Free Cash Flow (Unaudited) Years ended December 31 In millions 2025 2024 Net cash provided by operating activities of continuing operations $ 814.8 $ 766.9 Capital expenditures (68.8) (74.4) Proceeds from sale of property and equipment 2.4 0.6 Free cash flow from continuing operations $ 748.4 $ 693.1 Net cash used for operating activities of discontinued operations — (0.2) Free cash flow $ 748.4 $ 692.9
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38 ROIC Reconciliation Q4 2025 Earnings Release ©2026 Pentair. All Rights Reserved. Pentair plc and Subsidiaries Return on Invested Capital (ROIC) (Unaudited) Fourth Quarter First Quarter Second Quarter Third Quarter Fourth Quarter Dollars in millions 2024 2025 2025 2025 2025 Adjusted operating income $ 231.3 $ 242.5 $ 296.7 $ 262.6 $ 251.7 Reported effective tax rate 9.8 % 15.3 % 13.9 % 15.0 % 12.3 % Adjusted effective tax rate 16.5 % 17.0 % 17.0 % 17.0 % 16.5 % NOPAT $ 193.1 $ 201.3 $ 246.3 $ 218.0 $ 210.2 Depreciation 15.0 14.8 14.6 15.3 14.9 Capital expenditures ("Cap Ex") (22.7) (16.8) (10.9) (17.4) (23.7) Total NOPAT, depreciation, and Cap Ex $ 185.4 $ 199.3 $ 250.0 $ 215.9 $ 201.4 Trailing four quarter NOPAT, depreciation, and Cap Ex $ 786.7 $ 809.0 $ 833.9 $ 850.6 $ 866.6 Ending invested capital 5,092.2 5,328.7 4,927.4 5,234.1 5,406.2 Trailing five quarter average invested capital 5,062.7 5,121.4 5,046.4 5,098.3 5,197.7 After-tax Return on Invested Capital 15.5 % 15.8 % 16.5 % 16.7 % 16.7 % NOPAT (net operating profit after tax) is defined as [(adjusted operating income) X (1 - adjusted effective tax rate)] Ending invested capital is defined as [total shareholders' equity + long -term debt + current maturities of long-term debt and short-term borrowings - cash and cash equivalents]
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39 2025 EBITDA Reconciliation Q4 2025 Earnings Release ©2026 Pentair. All Rights Reserved. Pentair plc and Subsidiaries Reconciliation of Net Income from Continuing Operations to EBITDA for the Year Ended December 31, 2025 (Unaudited) In millions FY 2025 Net income from continuing operations $ 649.5 Adjustments: Restructuring and other 31.3 Transformation costs 40.8 Intangible amortization 58.1 Legal accrual adjustments and settlements 11.6 Asset impairment and write-offs 49.1 Deal-related costs and expenses 4.1 Loss on sale of business 26.3 Pension and other post-retirement mark-to-market loss 2.4 Net interest expense 69.4 Other expense 3.9 Provision for income taxes 107.0 Adjusted operating income $ 1,053.5 Adjustments: Depreciation 59.6 EBITDA $ 1,113.1
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40 Reported To Adjusted 2026 Reconciliation Q4 2025 Earnings Release ©2026 Pentair. All Rights Reserved. Pentair plc and Subsidiaries Reconciliation of the GAAP Year Ending December 31, 2026 to the Non -GAAP Excluding the Effect of 2026 Adjustments (Unaudited) Forecast In millions, except per-share data First Quarter Full Year Net sales approx Up 1% - 2% approx Up 3% - 4% Operating income approx Up 13% - 17% approx Up 21% - 25% Adjustments: Intangible amortization approx $ 16 approx $ 62 Equity income of unconsolidated subsidiaries approx 1 approx 4 Adjusted operating income approx Up 2% - 5% approx Up 5% - 8% Net income from continuing operations—as reported approx $177 - $182 approx $815 - $840 Adjustments to operating income approx 16 approx 62 Income tax adjustments approx (3) approx (11) Net income from continuing operations—as adjusted approx $190 - $195 approx $866 - $891 Continuing earnings per ordinary share—diluted Diluted earnings per ordinary share—as reported approx $1.07 - $1.10 approx $4.94 - $5.09 Adjustments approx 0.08 approx 0.31 Diluted earnings per ordinary share—as adjusted approx $1.15- $1.18 approx $5.25 - $5.40
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41 2026 EBITDA Reconciliation Q4 2025 Earnings Release ©2026 Pentair. All Rights Reserved. Pentair plc and Subsidiaries Reconciliation of Net Income from Continuing Operations to EBITDA for the Year Ending December 31, 2026 (Unaudited) Full Year at Midpoint of In millions Outlook Net income from continuing operations approx $ 827 Adjustments: Intangible amortization approx 62 Net interest expense approx 67 Provision for income taxes approx 176 Adjusted operating income approx $ 1,132 Adjustments: Depreciation approx 68 EBITDA approx $ 1,200
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Supplemental Information - 2026 Segment Reporting
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43 2026 Segment Reporting Q4 2025 Earnings Release ©2026 Pentair. All Rights Reserved. Pentair plc and Subsidiaries Supplemental Financial Information by Reportable Segment - 2026 Segment Reporting (Unaudited) 2025 2024 2023 In millions First Quarter Second Quarter Third Quarter Fourth Quarter Full Year First Quarter Second Quarter Third Quarter Fourth Quarter Full Year First Quarter Second Quarter Third Quarter Fourth Quarter Full Year Net sales Flow $ 232.6 $ 250.9 $ 251.4 $ 266.3 $1,001.2 $ 240.9 $ 249.2 $ 233.1 $ 237.5 $ 960.7 $ 229.3 $ 247.1 $ 243.3 $ 240.4 $ 960.1 Water Solutions 393.5 444.7 415.9 360.4 1,614.5 416.5 458.1 428.6 381.1 1,684.3 434.5 500.7 456.3 407.7 1,799.2 Pool 383.9 427.2 354.3 393.4 1,558.8 359.5 391.5 331.4 353.7 1,436.1 364.3 334.3 308.8 336.2 1,343.6 Reportable segment net sales 1,010.0 1,122.8 1,021.6 1,020.1 4,174.5 1,016.9 1,098.8 993.1 972.3 4,081.1 1,028.1 1,082.1 1,008.4 984.3 4,102.9 Corporate and other 0.4 0.3 0.4 0.4 1.5 0.3 0.5 0.3 0.6 1.7 0.5 0.4 0.4 0.3 1.6 Net sales $1,010.4 $1,123.1 $1,022.0 $1,020.5 $4,176.0 1,017.2 1,099.3 $ 993.4 $ 972.9 4,082.8 $1,028.6 $1,082.5 $1,008.8 $ 984.6 $4,104.5 Reportable segment income (loss) Flow $ 50.2 $ 54.8 $ 59.7 $ 60.3 $ 225.0 $ 45.5 $ 50.7 $ 49.1 $ 44.0 $ 189.3 $ 33.3 $ 35.7 $ 41.8 $ 34.1 $ 144.9 Water Solutions 94.1 108.5 104.0 84.4 391.0 87.4 106.6 98.1 91.8 383.9 84.1 113.9 104.5 82.5 385.0 Pool 126.0 152.7 116.2 132.2 527.1 110.8 133.6 112.7 119.4 476.5 116.2 105.1 90.6 105.1 417.0 Reportable segment income 270.3 316.0 279.9 276.9 1,143.1 243.7 290.9 259.9 255.2 1,049.7 233.6 254.7 236.9 221.7 946.9 Corporate and other (27.8) (19.3) (17.3) (25.2) (89.6) (26.4) (19.5) (20.7) (23.9) (90.5) (22.6) (20.5) (24.8) (23.9) (91.8) Adjusted operating income $ 242.5 $ 296.7 $ 262.6 $ 251.7 $1,053.5 $ 217.3 $ 271.4 $ 239.2 $ 231.3 $ 959.2 $ 211.0 $ 234.2 $ 212.1 $ 197.8 $ 855.1 Return on sales Flow 21.6% 21.8% 23.7% 22.6% 22.5% 18.9% 20.3% 21.1% 18.5% 19.7% 14.5% 14.4% 17.2% 14.2% 15.1% Water Solutions 23.9% 24.4% 25.0% 23.4% 24.2% 21.0% 23.3% 22.9% 24.1% 22.8% 19.4% 22.7% 22.9% 20.2% 21.4% Pool 32.8% 35.7% 32.8% 33.6% 33.8% 30.8% 34.1% 34.0% 33.8% 33.2% 31.9% 31.4% 29.3% 31.3% 31.0% Adjusted return on sales 24.0% 26.4% 25.7% 24.7% 25.2% 21.4% 24.7% 24.1% 23.8% 23.5% 20.5% 21.6% 21.0% 20.1% 20.8% Effective January 1, 2026, we moved our residential and irrigation flow business from our Flow segment to our Water Solutions segment. As a result, the products previously included in the residential and irrigation flow business within our Flow segment are now part of the Water Solutions reportable segment.
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44 2025 vs. 2026 Segment Reporting Q4 2025 Earnings Release ©2026 Pentair. All Rights Reserved. Pentair plc and Subsidiaries Supplemental Financial Information by Reportable Segment - 2025 vs 2026 Segment Reporting (Unaudited) 2025 2024 2023 In millions First Quarter Second Quarter Third Quarter Fourth Quarter Full Year First Quarter Second Quarter Third Quarter Fourth Quarter Full Year First Quarter Second Quarter Third Quarter Fourth Quarter Full Year Net sales Flow $(135.3) $(146.4) $(142.6) $(128.1) $(552.4) $(143.4) $(147.6) $(139.1) $(123.2) $(553.3) $(162.5) $(164.5) $(156.9) $(138.1) $(622.0) Water Solutions 135.3 146.4 142.6 128.1 552.4 143.4 147.6 139.1 123.2 553.3 162.5 164.5 156.9 138.1 622.0 Pool — — — — — — — — — — — — — — — Reportable segment net sales — — — — — — — — — — — — — — — Corporate and other — — — — — — — — — — — — — — — Net sales $ — $ — $ — $ — $ — $ — $ — $ — $ — $ — $ — $ — $ — $ — $ — Reportable segment income (loss) Flow $ (33.4) $ (38.3) $ (35.6) $ (29.8) $(137.1) $ (31.8) $ (33.7) $ (33.7) $ (29.6) $(128.8) $ (31.7) $ (39.1) $ (35.7) $ (30.9) $(137.4) Water Solutions 33.4 38.3 35.6 29.8 137.1 31.8 33.7 33.7 29.6 128.8 31.7 39.1 35.7 30.9 $ 137.4 Pool — — — — — — — — — — — — — — $ — Reportable segment income — — — — — — — — — — — — — — $ — Corporate and other — — — — — — — — — — — — — — $ — Adjusted operating income $ — $ — $ — $ — $ — $ — $ — $ — $ — $ — $ — $ — $ — $ — $ — Return on sales Flow (1.1)% (1.6)% (0.5)% (0.2)% (0.8)% (1.2)% (1.0)% (1.1)% (1.9)% (1.3)% (2.1)% (3.8)% (2.2)% (3.0)% (2.7)% Water Solutions 0.4% 0.9% —% (0.1)% 0.3% 0.6% (0.2)% 0.7% —% 0.2% 0.1% 0.5% (0.1)% 1.1% 0.4% Pool —% —% —% —% —% —% —% —% —% —% —% —% —% —% —% Adjusted return on sales —% —% —% —% —% —% —% —% —% —% —% —% —% —% —% Effective January 1, 2026, we moved our residential and irrigation flow business from our Flow segment to our Water Solutions segment. As a result, the products previously included in the residential and irrigation flow business within our Flow segment are now part of the Water Solutions reportable segment.