Mister Car Wash Investor Presentation Deck

Comp Store Sales are Solidly Positive Strong Track Record delivering positive comparable store sales Mister Averaged 9% Comp Store Sales per year in each of the last 10 years¹ Positive comps across all cohorts Strong Comp Store Sales fueled by UWC growth and ability to drive throughput Year two+ new build/acquisition ramp provides tailwind to support comp growth Comp Store Sales Growth 5% 9% 6% 6% 9% 9% 2012 & Prior Vintage 15% 8% 2017-2019 Annual Average Comp Store Sales Percentage Growth by Vintage 2013-2015 9% 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 15% 6% 2016 10% 15% 10% 2017 (11) % 32% 41% 2018 1) Through Q4 2019 pre-COVID. 16

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