Financial Data and Key Metrics Changes - Overall net sales increased by 6% year over year to $1,060,000,000 for the quarter [4][21] - Adjusted EBITDA margins improved to nearly 18%, driven by strong gross margin performance and better operating leverage [5][24] - Gross profit margin rose to 39.3% compared to 37.6% in the prior year, primarily due to favorable pricing and lower input costs [23] Business Line Data and Key Metrics Changes - Residential product sales increased by 7% year over year to $574,000,000, driven by growth in energy storage systems and portable generator sales [21][22] - C and I product sales grew by 5% year over year to $362,000,000, supported by domestic industrial distributor and telecom shipments [22] - Sales in the Other Products and Services category increased by approximately 8% to $125,000,000, primarily due to growth in aftermarket service parts and Ecobee sales [22] Market Data and Key Metrics Changes - Domestic segment total sales increased by 7% to $884,000,000, including a 1% contribution from recent acquisitions [24] - International segment total sales also rose by approximately 7% to $197,000,000, benefiting from foreign currency [24] - The telecom market is expected to deliver robust growth for the full year 2025, driven by increasing reliance on wireless communications [16] Company Strategy and Development Direction - The company is focusing on expanding its dealer network, which increased to approximately 9,300 industrial dealers, enhancing consumer awareness for home standby products [9] - A new generation of home standby generators is set to launch, featuring improved efficiency and lower costs [10] - The company is committed to optimizing pricing strategies in response to evolving tariff landscapes while executing supply chain and cost reduction initiatives [6] Management's Comments on Operating Environment and Future Outlook - Management expressed confidence in the growth potential of the data center market, with a backlog of over $150,000,000 for large megawatt generators [19] - The company anticipates a challenging comparison for 2025 due to the absence of major outage events, but expects to maintain a baseline level of demand [11][32] - Management noted that the residential solar market is likely to contract, prompting a reevaluation of investment levels in solar technologies [15][62] Other Important Information - The company repurchased approximately 393,000 shares for $50,000,000 during the quarter, with $200,000,000 remaining on the share repurchase authorization [28] - Total debt outstanding at the end of the quarter was $1,400,000,000, resulting in a gross debt leverage ratio of 1.7 times [29] Q&A Session Summary Question: Update on the data center market entry - Management indicated that initial shipments to international markets will start in Q3, with domestic shipments expected late this year, but significant revenue impact is anticipated in 2026 [40][41] Question: Comments on Ecobee and solar market investment - Management acknowledged a potential contraction in the solar market but emphasized the importance of solar and storage technologies in the residential energy ecosystem [54][62] Question: Trends in home standby demand - Management noted that installations of home standby products are up year to date, with a robust dealer network supporting growth, despite lower outage activity in the first half of the year [85][86]

INVESTOR RELATIONS Aaron Jagdfeld PRESIDENT & CEO GENERAC INVESTOR PRESENTATION November 2023 OUR PURPOSE: Lead the evolution to more resilient, efficient, and sustainable energy solutions. GENERAC YorkRagen CHIEF FINANCIAL OFFICER Mike Harris SENIOR VICE PRESIDENT – CORPORATE DEVELOPMENT & INVESTOR RELATIONS Kris Rosemann SENIOR MANAGER – CORPORATE DEVELOPMENT & INVESTOR RELATIONS (262)506 -6064 InvestorRelations@generac.com 2 GENERAC Forward Looking Statements Certain statements contained in this presenta ...

INVESTOR PRESENTATION May 2025 OUR PURPOSE: Lead the evolution to more resilient, efficient, and sustainable energy solutions. INVESTOR RELATIONS Aaron Jagdfeld PRESIDENT & CEO YorkRagen CHIEF FINANCIAL OFFICER Kris Rosemann DIRECTOR CORPORATE FINANCE & INVESTOR RELATIONS (262)506 -6064 InvestorRelations@generac.com 2 3 • fluctuations in cost, availability, and quality of raw materials, key components and labor required to manufacture ourproducts; • our dependence on a small number of contract manufacturers ...

Financial Performance & Outlook - Generac's revenue CAGR from its 2010 IPO through 2024F is 15%[22] - The company anticipates consolidated revenue to increase between 3% to 7% in 2024[81] - Adjusted EBITDA margins are projected to be between 165% to 175% in 2024[81] - The company expects approximately 100% conversion of adjusted net income to free cash flow in 2024[81] Market Dynamics & Opportunities - Residential products accounted for 95% of LTM net sales, while international sales made up the remaining 5%[45] - Commercial & Industrial products accounted for 60% of LTM net sales domestically and 40% internationally[70] - Every 1% increase in Home Standby Generator (HSB) penetration represents approximately $35 billion in end market opportunity[52] - The residential energy technology served addressable market (SAM) is projected to grow from $45 billion in 2022 to $145 billion in 2026[57] Capital Allocation - The company has approximately $500 million remaining on its current share repurchase authorization[93] - The company targets a gross debt leverage ratio of 1-2x[89]

GENERAC INVESTOR PRESENTATION August 2024 OUR PURPOSE: Lead the evolution to more resilient, efficient, and sustainable energy solutions. GENERAC YorkRagen CHIEF FINANCIAL OFFICER Kris Rosemann SENIOR MANAGER – CORPORATE DEVELOPMENT & INVESTOR RELATIONS (262)506 -6064 InvestorRelations@generac.com 2 GENERAC Forward Looking Statements INVESTOR RELATIONS Aaron Jagdfeld PRESIDENT & CEO Certain statements contained in this presentation, as well as other information provided from time to time by Generac Holdings ...

Financial Performance - LTM Net Sales reached $4.1 billion[14] - LTM Adjusted EBITDA was $736 million[14] - The company anticipates free cash flow of approximately $500 million in 2024[121] - Q3 2024 Net Sales were $1,173.6 million, a 9.6% increase year-over-year[147] - Q3 2024 Adjusted EBITDA was $231.9 million, a 22.9% increase year-over-year[147] Revenue Mix - Residential product net sales accounted for 55% of the total, amounting to $2.3 billion[14, 19] - Commercial & Industrial product net sales represented 34% of the total, amounting to $1.4 billion[14, 19] - Other product net sales made up 11% of the total, amounting to $0.5 billion[14, 19] - Domestic net sales accounted for 83% of the total, while international net sales accounted for 17%[14] Market Opportunity - The U S home standby generator penetration rate is approximately 6 25%[63] - The company estimates that every 1% increase in penetration represents a $3 5 billion opportunity[63] - US Average Electricity Prices have increased +33% since 2020[72]

GENERAC INVESTOR PRESENTATION February 2024 OUR PURPOSE: Lead the evolution to more resilient, efficient, and sustainable energy solutions. GENERAC INVESTOR RELATIONS Aaron Jagdfeld PRESIDENT & CEO YorkRagen CHIEF FINANCIAL OFFICER Kris Rosemann SENIOR MANAGER – CORPORATE DEVELOPMENT & INVESTOR RELATIONS (262)506 -6064 InvestorRelations@generac.com 2 GENERAC Forward Looking Statements Certain statements contained in this presentation, as well as other information provided from time to time by Generac Holdin ...