Investor Day Presentation vFinal Notified

March 25, 2026

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Agenda

• Introduction

  Kris Rosemann

• Generac Overview - Accelerating a Track Record of Growth

  Aaron Jagdfeld

• Commercial & Industrial - A Generational Growth Opportunity

  Erik Wilde

• Break

• Generac Home - Powerful Alone. Brilliant Together.

  Norm Taffe

• Home Standby - Market Leader with Significant Penetration Opportunity

  Kyle Raabe

• Financial Framework - Creating Significant Value for Shareholders

  York Ragen

• Questions & Answers

  2

  Presenters

  
  
  

  Erik Wilde

  President, Domestic ChI

  
  
  

  Kyle Raabe

  President, Home Power Generation

  
  
  

  Aaron Jagdfeld

  President h CEO

  
  
  

  Norm Taffe

  President, Generac Home

  
  
  

  York Ragen

  CFO

  
  
  

  4

  
  
  

  Forward Looking Statements

  Certain statements contained in this news release, as well as other information provided from time to time by Generac Holdings Inc. or its employees, may contain forward-looking statements that involve risks and uncertainties that could cause actual results to differ materially from those in the forward-looking statements. Forward-looking statements give Generac's current expectations and projections relating to the Company's financial condition, results of operations, plans, objectives, future performance and business. You can identify forward-looking statements by the fact that they do not relate strictly to historical or current facts. These statements may include words such as "anticipate," "estimate," "expect," "forecast," "project," "plan," "intend,"

  "believe," "confident," "may," "should," "can have," "likely," "future," "optimistic" and other words and terms of similar meaning in connection with any discussion of the timing or nature of future operating or financial performance or other events.

  Any such forward-looking statements are not guarantees of performance or results, and involve risks, uncertainties (some of which are beyond the Company's control) and assumptions. Although Generac believes any forward-looking statements are based on reasonable assumptions, you should be aware that many factors could affect Generac's actual financial results and cause them to differ materially from those anticipated in any forward-looking statements, including:

• fluctuations in cost, availability, and quality of raw

  materials, key components and labor required to manufacture our products;

• our dependence on a small number of contract manufacturers and component suppliers, including single-source suppliers;

• changes and volatility with respect to the trade policies of various countries, which may result in new or increased tariffs, trade restrictions, or other unfavorable trade actions;

• changes and volatility with respect to the trade policies of various countries, which may result in new or increased tariffs, trade restrictions, or other unfavorable trade actions;

• our ability to protect our intellectual property rights or successfully defend against third party infringement claims;

• changes in durable goods spending by consumers and businesses or other global macroeconomic conditions, impacting demand for our products;

• changes in governmental policies, particularly with respect to tax incentives, tax credits, or grant programs, which could: (i) affect the demand for certain of our products; or (ii) result in a withdrawal or reduction of grants previously awarded to the Company;

• increase in product and other liability claims, warranty costs, recalls, or other claims;

• significant legal proceedings, claims, fines, penalties, tax assessments, lawsuits or government investigations;

• our ability to consummate our share repurchase programs;

• our failure or inability to adapt to, or comply with, current or future changes in applicable laws, regulations, and product standards;

• our ability to develop and enhance products and gain customer acceptance for our products including as part of the growing data center market and energy technology product offerings;

• our ability to accurately forecast demand for our products and effectively manage inventory levels relative to such forecast;

• our ability to remain competitive;

• our dependence on our dealer and distribution network;

• market reaction to changes in selling prices or mix of products;

• loss of our key management and employees;

• disruptions from labor disputes or organized labor activities;

• our ability to attract and retain employees;

• disruptions in our manufacturing operations;

• the possibility that the expected synergies, efficiencies and cost savings of our acquisitions, divestitures, restructurings, or realignments will not be realized, or will not be realized within the expected time period;

• risks related to sourcing components in foreign countries;

• compliance with environmental, health and safety laws and regulations;

• scrutiny regarding our sustainability practices;

• government regulation of our products;

• failures or security breaches of our networks, information

  technology systems, or connected products;

• our ability to make payments on our indebtedness;

• terms of our credit facilities that may restrict our operations;

• our potential need for additional capital to finance our growth or refinancing our existing credit facilities;

• risks of impairment of the value of our goodwill and other indefinite-lived assets;

• volatility of our stock price; and

• potential tax liabilities.

Should one or more of these risks or uncertainties materialize, Generac's actual results may vary in material respects from those projected in any forward-looking statements. A detailed discussion of these and other factors that may affect future results is contained in Generac's filings with the U.S. Securities and Exchange Commission ("SEC"), particularly in the Risk Factors section of the Annual Report on Form 10-K and in its periodic reports on Form 10-Q. Stockholders, potential investors and other readers should consider these factors carefully in evaluating the forward-looking statements.

Any forward-looking statement made by Generac in this press release speaks only as of the date on which it is made. Generac undertakes no obligation to update any forward-looking statement, whether as a result of new information, future developments or otherwise, except as may be required by law.

This presentation includes select recast unaudited financial information relating to our organizational realignment for the previously reported twelve months ended December 31, 2025. Select recast unaudited financial information relating to our organizational realignment for the previously reported quarters in fiscal 2025 will be provided with our next periodic report or sooner.

Accelerating a Track Record of Growth

Aaron Jagdfeld - President C CEO

SALES MIX BY SEGMENT*

Total Net Sales

$4.2 Billion

Scale

~9,400 global employees and 19 manufacturing facilities

Adjusted EBITDA

$716 Million

Innovation

~1,200 engineers worldwide focused on product development and quality

Distribution

Omni-channel distribution with thousands of dealers, wholesalers, retailers, and e-commerce partners

Free Cash Flow

$1.3 Billion

Last 3 years FCF

Residential: 59% ($2.5B)

C&I: 41% ($1.7B)

*Reflects new reporting segments

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Financial & employee data as of FY2025

Track Record of Growth

Decades Long Track Record of Growth

~14% CAGR 2000-2025

Note: $ amounts in millions. Represents net sales. Figures include results from acquisitions completed during 2011-present. CAGR measures revenue growth through 2026F off 2000. 2026F figure assumes midpoint of guidance

updated on February 11th, 2025. 7

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Mega-Trends: Lower Power Quality Severity of Outages Increasing

5-Year Baseline Average +80% Since 2015

10 13 Major Outage Events Since 2010; 7 since 2020

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Mega-Trends: Lower Power Quality Supply/Demand Imbalance

Nearly half of U.S. population in region considered High Risk

North America Electric Reliability Corporation Long-Term Risk Assessment

Shows highest risk classification that occurs and initial year of occurrence

RISK DRIVERS:

• Escalating demand growth

• Increased intermittent

generation

• Retirement of traditional thermal generation

• Infrastructure development uncertainty

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Mega-Trends: Higher Power Prices Demand Outstripping Supply

Data center demand driving future load growth

Electricity demand expected CAGR of 5.7% through 20302

Dispatchable power supply expected to lag accelerating demand through 2030

Incremental 166GW demand vs 81GW dispatchable

supply3

2030 peak demand forecasts accelerating

+2.5x vs prior year forecast

U.S. Electricity Demand Changes

(Increase in Cumulative TWh)

¹ EIA - Electric Power Annual - U.S. Energy Information Administration (EIA)

²GridStrategies Load Growth Report

³Grid Strategies; McCoy Power Reports

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Mega-Trends: Higher Power Prices Ratepayers Footing the Bill

Grid infrastructure requires significant investment

$1.4 Trillion U.S. Electric Utility CapEx 2025-20303

Rising h volatile fuel prices

2025 natural gas electric power price +40% Y/Y4

Grid hardening, storm recovery,

insurance costs

Costs to recover and insure against hurricanes, wildfires, etc.

U.S. Residential Electricity Price Changes

¹ Full-year Average Electricity price, US Bureau of Labor Statistics, Bureau of Labor Statistics Data

²Energy Insights ICF

³ Deloitte

⁴ US Energy Information Administration 13

Data centers account for greater than 50% of load growth forecasted by 2030; significant demand for power further stressing fragile grid infrastructure

Hyperscaler CapExf

$ Billions

Emergency backup power ensures redundancy meets strict data center end-user uptime requirements while also preventing systemic hardware damage

$14B - $17B Global TAM for data center emergency backup power is an important portion of total data center spend

¹ Amazon, Alphabet, Meta, Microsoft, Oracle actuals and guidance last reported

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AI Driving Rapid Capital Spending Deployment

Improveenergy resilienceand independence.

Increasepower reliability through onsite generation and storage solutions that provide resiliency for homes, businesses and communities.

Optimizeenergy efficiencyand consumption.

Enableefficient power generation and consumption through monitoring, management and energyoptimizing solutions.

Offering innovative solutions that enable and protect next-generation energy production, data centers, and other critical infrastructure.

Innovate to Protectand buildcritical infrastructure.

Powering a smarterworld.

Our Purpose: Lead the evolution to more resilient, efficient, and innovative energy solutions.

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Residential Commercial C Industrial

Residential

Introducing Generac Home

Powerful Alone.

Brilliant Together.

One streamlined residential organization to:

• Deliver the Home Energy Ecosystem

• Unify distribution network

• Realize operational synergies h efficiencies

• Leverage marketing, data h technology capabilities

One ecosystem, Two Mega-trends

Lower Power Quality

Higher Power Prices

Commercial C Industrial

Local Expertise.

Global Scale.

Leveraging enterprise-wide capabilities to accelerate industrial growth

Operations Strategy

Products

Customers

End

Markets

Supply

Chain

Distribution

People

Aligning Reportable Segments to Strategy

New segments

COMMERCIAL C INDUSTRIAL

RESIDENTIAL

Previous segments

DOMESTIC INTERNATIONAL

$3.5 Billion

NET SALES

$0.7 Billion

NET SALES

$1.7 Billion

NET SALES

$2.5 Billion

NET SALES

*FY2025 Net Sales

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Financial Framework Sales Mix

2025 2028F

3-Yr CAGR

Residential

+HSD%

Global ChI

Low-Mid 20s%

Secular CCI Opportunities Provide Balance C Visibility to Long-Term Growth

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