Custom Truck One Source 4th Quarter 2025 Investor Presentation March 10, 2026 CONFIDENTIAL DRAFT1 Safe Harbor This presentation includes certain financial measures that have not been prepared in a manner that complies with generally accepted accounting principles in the United States ("GAAP"), including, without limitation, Adjusted Gross Profit, Adjusted Gross Margin, EBITDA and Adjusted EBITDA (collectively, the "non-GAAP financial measures"). These non-GAAP financial measures may exclude items that are s ...