Mister Car Wash Q4 revenue up 7.4% to $230.1M; opens record 14 greenfield stores in quarter

Fourth Quarter 2023 Highlights: • Net revenues increased 7.4% to $230.1 million, up from $214.3 million in the fourth quarter of 2022. • Comparable-store sales increased 0.7%. • Unlimited Wash Club® (“UWC”) sales represented 73.8% of total wash sales compared to 70.9% in the fourth quarter of 2022. The Company added six thousand net new UWC members in the fourth quarter and had approximately 2.1 million members as of December 31, 2023. • The Company opened 14 new greenfield locations in the fourth quarter of 2023, a quarterly record, bringing the total number of car wash locations operated to 476 as of December 31, 2023, compared to 436 car wash locations as of December 31, 2022, an increase of 9.2%. • Net income and net income per diluted share were $12.4 million and $0.04, respectively.

Full Year Highlights: • Net revenues increased 5.8% to $927.1 million, up from $876.5 million in the prior year. • Comparable-store sales increased 0.3%. • The Company added approximately 194 thousand UWC members and UWC membership increased 10.3% on a year-over-year basis. • The Company opened a record 35 new greenfield locations during 2023. • Net income and net income per diluted share were $80.1 million and $0.24, respectively.