#1Acquisition of ECM Industries April 3, 2023 nvent#2Forward-Looking Statement and Key Definitions CAUTION CONCERNING 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," "forecasts," "should," "would," "positioned," "strategy," "future," "are confident," or words, phrases or terms of similar substance or the negative thereof, are forward-looking statements. All projections in this presentation are also 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 our ability to close and fund the ECM Industries acquisition on the expected terms and time schedule, including obtaining regulatory approvals and satisfying other closing conditions; our ability to integrate the acquisition successfully; our ability to retain customers and employees of the acquired business; the adverse effects on our business operations or financial results, including due to the overall global economic and business conditions impacting our business; the ability to achieve the benefits of our restructuring plans; the ability to successfully identify, finance, complete and integrate acquisitions; competition and pricing pressures in the markets we serve, including the impacts of tariffs; volatility in currency exchange rates, interest rates and commodity prices; inability to generate savings from excellence in operations initiatives consisting of lean enterprise, supply management and cash flow practices; inability to mitigate material and other cost inflation; risks related to the availability of, and cost inflation in, supply chain inputs, including labor, raw materials, commodities, packaging and transportation; increased risks associated with operating foreign businesses, including risks associated with the conflict between Russia and Ukraine and related sanctions; the ability to deliver backlog and win future project work; failure of markets to accept new product introductions and enhancements; the impact of changes in laws and regulations, including those that limit U.S. tax benefits; the impact of the novel coronavirus 2019 (“COVID-19") pandemic; the outcome of litigation and governmental proceedings; and the ability to achieve our long-term strategic operating goals. Additional information concerning these and other factors is contained in our filings with the Securities and Exchange Commission, including nVent's Annual Report on Form 10-K and our Quarterly Reports on Form 10-Q. All forward-looking statements speak only as of the date of this presentation. nVent Electric plc assumes no obligation, and disclaims any obligation, to update the information contained in this presentation. KEY DEFINITIONS AND NOTES Except as otherwise noted all references to 2022 and 2021 represent our results for the period indicated, presented on an adjusted basis. "Organic Sales" refers to GAAP revenue excluding (1) the impact of currency translation and (2) the impact of revenue from acquired businesses recorded prior to the first anniversary of the acquisition less the amount of sales attributable to divested product lines not considered discontinued operations. "Segment Income" represents Operating Income exclusive of non-cash intangible amortization, certain acquisition related costs, costs of restructuring activities, impairments and other unusual non-operating items. Return on Sales ("ROS") equals Segment Income divided by Sales. See appendix for GAAP to non-GAAP reconciliations. 2 nvent#3Executive Summary 1| nVent intends to acquire ECM Industries for $1.1 billion; 10.6X multiple on ECM LTM Adjusted EBITDA.* 21 ECM Industries is a leading provider of high-value electrical connectors, tools and test instruments, and cable management with revenue of $415 million.* 3 | ECM Industries complements nVent's electrical power connection and grounding solutions portfolio and further positions nVent with the electrification of everything. 4 ECM Industries will become part of nVent's Electrical and Fastening Solutions segment at closing. 5 Transaction expected to be margin accretive to overall nVent. * Twelve months ending February 28, 2023 Aligns with nVent's growth strategy and continued long-term value creation nvent#4nVent Strategy Strategic Drivers Grow Transform High-growth verticals One nVent Digital acceleration New products and innovation 4 Acquisitions and partnerships Working capital Acquisition of ECM Industries aligns to our strategy Global growth Productivity and velocity nvent#5ECM Industries Overview Company Overview ECM Industries is a leading provider of high-value electrical connectors, tools and test instruments, and cable management Connectivity (-60% of revenue) Provides critical components for resiliency and safety. Includes essential products for the monitoring and testing of electrical connections and power. Net Sales* Mechanical terminals Tools and Test Instruments (~20% of revenue) $415M SURGENCY Surge protectors ****** * Twelve months ending February 28, 2023 Compression lugs Test and measure devices Insulated connectors $104M Cable Management (-20% of revenue) A 20 Provides solutions to ensure durable connections. Adjusted EBITDA* 2-Port Lugs Waterproof connectors Cable clamps Cable wraptors Adjusted EBITDA Margin* ■ 5 ■ North American provider of electrical connectivity products with 1,400 employees Headquartered in New Berlin, WI Broad portfolio of industry-leading brands. Strong track record of innovation Long standing customer and channel relationships ILSCO Leading brand in mechanical/compression connectors 125+ years History in electrical connectors 25.0% Leader in electrical connectivity GE Gardner Bender Flagship brand for electrical contractors 60+ years History in electrical tools / consumables KING INNOVATIONⓇ Leading brand in electrical, utility and irrigation 60+ years History in harsh environment connectors nvent#6High-Growth Vertical Opportunities nVent Reported Verticals High- Growth Verticals Industrial: Industrial Solutions ▪ Industrial automation Digitalization Onshoring ECM INDUSTRIES * Some energy transition sales included in Industrial vertical Comm/Res: Commercial - Smart buildings I Density of Power & Data ▪ Labor shortages Infrastructure: Data Solutions Power Utilities Renewables Energy Storage & E-mobility ■ Electrification Sustainability Digitalization Resiliency ■ Energy: Energy Transition* BIO ■ Clean fuels ▪ Carbon capture and storage Hydrogen H ECM Industries is aligned to high-growth verticals with the electrification of everything nvent#7ECM Fits Our Acquisition Framework ■ ■ n Vent Acquisition Framework Invest to Grow Ability to Scale Great Products High- Growth Verticals nVent Acquisition Track Record Completed four deals since spin $300M of sales in 2022 All deals exceeded WACC in 2-3 y years Great Products ■ ■ Ability to Scale ■ ■ Complementary power connection and grounding solutions portfolio Extends nVent's cable management offering with complementary products and adds tools and test instruments ECM INDUSTRIES Expand through nVent's strong distribution partnerships Drive demand creation and specification through nVent's vertical sales and marketing teams ■ Provides nVent access to new channels and customers 7 High-Growth Verticals I Commercial Solutions ■ Power Utilities I Data Solutions ■ Renewables Invest to Grow Expand outside of North America via nVent's global reach Strengthen digital marketing capabilities ■ Utilize ECM's manufacturing and sourcing capabilities ECM Industries is a great strategic fit with tremendous growth potential nvent#8Transaction Summary Key Highlights Financial Details Close Timing ■ ■ ■ ■ ■ * Twelve months ending February 28, 2023 $1.1 billion purchase price, subject to customary adjustments Enterprise value multiple of approximately 10.6x for ECM LTM Adjusted EBITDA* Deal to be funded by cash on hand and new debt Intent to maintain investment grade metrics ECM Industries revenue of $415 million and adjusted EBITDA of $104 million for LTM* Pro-forma net debt-to-adjusted EBITDA ratio of 2.8X; plan to delever quickly with strong free cash flow Expect diluted adjusted EPS accretion in 2023 (ex. purchase accounting and acquisition related costs) Expect GAAP diluted EPS accretion in 2024 Expect revenue and cost synergies Transaction expected to close in the second quarter 2023, subject to customary conditions, including regulatory approval To become part of nVent's Electrical and Fastening Solutions segment Fully committed bridge financing from J.P. Morgan Compelling strategic and financial benefits nvent#9Appendix and GAAP to Non-GAAP Measurements & Reconciliations nvent#10Reconciliation of Non-GAAP Financial Measures Reconciliation of Earnings Before Income Taxes to Adjusted EBITDA of nVent Electric plc For the Twelve-month Period Ended December 31, 2022 (Unaudited) In millions Net sales Income before income taxes Other expense (income) Net interest expense Operating income Adjustments: Restructuring and other Acquisition transaction and integration costs Intangible amortization Depreciation Adjusted EBITDA $ 10 $ 2,909.0 472.6 (63.4) 31.2 440.4 11.7 0.8 70.7 43.4 567.0 The estimate of 2.8x initial pro-forma net leverage ratio is calculated based on approximately $1.9 billion of expected total net debt (long-term and short-term debt, less cash and cash equivalents) immediately after the transaction, divided by estimated combined Adjusted EBITDA of $671 million, including nVent Electric plc's Adjusted EBITDA of $567 million for the twelve-month period ended December 31, 2022, plus ECM Adjusted EBITDA of $104 million for the twelve-month period ended February 28, 2023. Confidential For Internal Use Only nvent#11Reconciliation of Non-GAAP Financial Measures Reconciliation of Earnings Before Income Taxes to Adjusted EBITDA of ECMI Holdings, LLC ("ECM") For the Twelve-month Period Ended February 28, 2023 (Unaudited) In millions Net sales Income before income taxes Adjustments: Net interest expense Depreciation Intangible amortization Extraordinary and non-recurring costs Adjusted EBITDA $ $ 11 415.3 17.9 37.6 9.9 28.7 9.6 103.7 Extraordinary and non-recurring costs primarily consist of integration and consolidation costs related to historical ECM acquisitions, financial sponsor management fees, and non-recurring professional fees and transaction costs ECM Industries, LLC is a wholly owned subsidiary of ECMI Holdings, LLC, which is an indirect wholly owned subsidiary of ECM Investors, LLC Confidential For Internal Use Only nvent