Investor Presentaiton

MACRO INVESTMENT THEMES 10% ORGANIC CAGR SINCE IPO IN 2010 سل CREATING A LEADING "ENERGY TECHNOLOGY SOLUTIONS" COMPANY $2,500 $2,000 $1,500 $1,000 $500 Power Quality Issues Continue To Increase - Power outage severity increasing significantly over LT baseline average during 2017-2020 - Aging and under-invested electrical grid more vulnerable to unpredictable and severe weather -Aging population and overall consumers are more dependent on power Home Standby Market Growth Opportunity is Massive - ~5.0% of US HH's have a HSB today (TAM-53M HH's) - Every 1.0% of penetration is approximately $2.5 billion market opportunity (at retail) - Generac's 75%+ share due to unique go to market strategy California market for backup power increasing significantly - Local utilities triggering numerous and significant power shutoff events -Shutoff events impacting millions of customers in an attempt to mitigate risk of wildfires - Events projected to continue for several years with HSB penetration only ~1% Energy Storage & Monitoring Markets Developing Quickly - New markets focused on energy cost reduction - Battery cost and performance continue to improve Generac uniquely positioned with distribution, marketing & brand Natural Gas Generators Driving Superior Growth Rates Cleaner, greener & more cost effective for on-site power - US is -40% gas gen sales annually and growing 2x diesel - Global opportunity is nascent - less than 1% of market Rollout of 5G Will Require Improved Network Reliability - 5G will enable many new technologies - uptime critical - ~400K cell towers in U.S., ~40% penetration, Generac #1 market share - Technology to rollout globally - Generac footprint can serve $- '92 '94 '96 '98 '00 '02 '04 '06 '08 '10 '12 '14 '16 '18 '20E Note: $ amounts in millions. Represents gross sales excluding freight revenue. Excludes "Portable Product" sales prior to the division's divestiture in 1998. Figures include results from acquisitions completed during 2011-present; see slide titled "Summary of Acquisitions" for further details. 6

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