INVESTOR PRESENTATION AUGUST 2021 "Generac's mission is to ensure peace of mind by developing power products and solutions that make the world safer, brighter, and more productive." 1 INVESTOR RELATIONS Aaron Jagdfeld PRESIDENT & CEO York Ragen CHIEF FINANCIAL OFFICER Mike Harris VICE PRESIDENT – CORPORATE DEVELOPMENT & INVESTOR RELATIONS Kris Rosemann INVESTOR RELATIONS MANAGER • changes in environmental, health and safety, or product compliance laws and regulations affecting our products, operations, or c ...

Financial Performance & Growth - Generac's LTM (Last Twelve Months) net sales reached $4,065.6 million, reflecting a 44.3% year-over-year increase[114] - Adjusted EBITDA for LTM was $843.6 million, with a margin of 20.8%[114] - The company anticipates consolidated revenue to increase between 36% to 40% in 2022[84] - Residential product sales are expected to increase at a mid-to-high 40% rate in 2022[84] - C&I (Commercial & Industrial) product sales are projected to increase at a high-teens rate in 2022[84] Market & Strategic Positioning - Domestic sales account for 85% of LTM net sales, while international sales contribute 15%[15] - Residential segment constitutes 66% of the business, Commercial & Industrial 27%, and Other 7%[16] - The company estimates an ~$8 billion Grid Services SAM (Served Addressable Market) opportunity by 2025 in North America, Europe, and Australia[50] - The total US penetration rate for Home Standby Generators (HSB) was estimated at ~5.5% at the end of 2021[55] - Energy Technology revenue streams are projected to add ~$350 million by 2024[62] Capital Allocation & Outlook - The company's capital deployment priorities include organic growth, M&A, paying down debt, and returning capital to shareholders[79] - The company projects adjusted EBITDA margins between 21.5% to 22.5% for 2022[80] - The company projects a GAAP effective tax rate between 23.0% to 24.0% for 2022[81]

Financial Performance & Growth - Generac's Last Twelve Months (LTM) net sales reached $4437 million [108], reflecting a 39.1% year-over-year increase [108] - The company's LTM adjusted EBITDA was $897.4 million [108], with an adjusted EBITDA margin of 20.2% [108] - In Q2 2022, net sales were $1291.4 million [108], a 40.4% increase year-over-year [108] - The company anticipates a consolidated revenue increase between 36% to 40% for the year [69] - The company's free cash flow for the Last Twelve Months (LTM) was $52.7 million [60] Market & Strategy - Generac estimates a ~$8 billion Grid Services Served Addressable Market (SAM) opportunity by 2025 in North America, Europe, and Australia [57] - The company projects an approximate 5X expansion of its Served Addressable Market (SAM) from $14 billion in 2018 to $72 billion in 2025 [35] - The total US penetration rate of Home Standby Generators (HSB) was estimated at ~5.5% at the end of 2021 [41] - The company has a 60% share of the US telecom market [107] Business Outlook - The company expects adjusted EBITDA margins between 21.5% and 22.5% [65] - The company anticipates a GAAP effective tax rate of approximately 23.0% [66]

Company Overview and Strategy - Generac's purpose is to lead the evolution to more resilient, efficient, and sustainable energy solutions[1] - The company is focused on building energy ecosystems by aggregating Distributed Energy Resources (DERs) to support the next-generation grid, emphasizing decarbonization, digitalization, and decentralization[35, 36] - The company's strategy evolution unlocks a massive and growing Served Addressable Market (SAM), projected to expand approximately 5X since 2018, reaching $72 billion in 2025[33, 34] Market Trends and Opportunities - There's a growing electricity supply/demand imbalance due to deteriorating supply reliability and rapidly increasing demand, driven by factors like climate change and electrification[24, 26, 27] - The home standby (HSB) penetration opportunity is significant, with the three largest markets (CA, TX, & FL) representing approximately 25% of addressable households but are significantly underpenetrated at approximately 3.5%[40] - Telecom infrastructure is shifting to the next generation, with 5G rollout requiring improved network quality and backup power solutions, presenting a global opportunity[22, 93] Financial Performance and Outlook - The company's LTM (Last Twelve Months) net sales through Q3 2022 were $45826 million, with domestic sales accounting for 85% and international sales for 15%[9, 13, 102] - The LTM adjusted EBITDA was $8720 million, representing a 190% margin[57, 102] - The company anticipates consolidated net sales to increase between 22% to 24% in 2023[64]

Company Overview and Strategy - Generac aims to lead the evolution to more resilient, efficient, and sustainable energy solutions[1] - The company projects a ~5X expansion of its Served Addressable Market (SAM) from $14 billion in 2018 to $72 billion in 2025, driven by factors like clean energy, connected devices, and grid services[35] - A key element of Generac's strategy is building energy ecosystems by aggregating Distributed Energy Resources (DERs) to support the next-generation grid[36] Market Trends and Opportunities - Mega-trends such as the evolution of the electrical utility model ("Grid 2.0"), climate change impact, and telecommunications infrastructure upgrades are creating opportunities for Generac[21, 22] - Approximately 25% of Americans are at high risk of resource adequacy shortfalls during normal seasonal peak conditions in the 2023-2027 period[30] - The total US penetration rate for Home Standby Generators (HSB) was estimated at ~5.75% as of 2022, indicating significant growth potential[40] Financial Performance and Outlook - Generac reported total net sales of $4.5647 billion in 2022, a 22.1% increase year-over-year[108] - The company's gross margin for 2022 was 33.3%[59, 108] - Adjusted EBITDA for 2022 was $825.4 million, with a margin of 18.1%[59, 108] - For 2023, Generac anticipates a consolidated revenue decrease between 6% to 10% and an adjusted EBITDA margin between 17% to 18%[65, 61]

Financial Performance & Outlook - Generac's LTM net sales reached $4316.8 million[62], reflecting a 6.2% year-over-year increase[111] - The adjusted EBITDA for the LTM period was $729.0 million[62], with an adjusted EBITDA margin of 16.9%[111] - The company anticipates a decrease in consolidated revenue between 6% to 10% for 2023[69], with residential products expected to decline at a high-teens rate[69], while C&I products are projected to increase at a mid-to-high single-digit rate[69] - The company expects adjusted EBITDA margins to be between 17.0% and 18.0% for 2023[65] Market Trends & Growth Strategy - The company estimates a projected ~5X expansion of Served Addressable Market (SAM) since 2018, from $14 billion in 2018 to $72 billion in 2025[39] - Residential segment accounted for 59% of the company's sales, while Commercial & Industrial contributed 31%[15] - The company estimates that the three largest markets (CA, TX, & FL) combined represent ~25% of addressable HHs, and are significantly underpenetrated at ~3.5%[44] - The company has been actively pursuing acquisitions, with 28 deals completed since 2011[64], to accelerate its "Powering a Smarter World" strategic plan[86] Grid Services & Clean Energy - In 2022, Generac Grid Services delivered 10 GWh of capacity during peak demand periods[58] - The company's software facilitated approximately 8,000 hours of DER dispatch from 20,500 devices in 2022[58] - The company estimates $10+ billion domestic SAM BY 2025 in broad residential clean energy product offering[48]

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 ...