Custom Truck One Source(CTOS) - 2024 Q1 - Quarterly Results

EXHIBIT 99.1 Custom Truck One Source, Inc. Reports First Quarter 2024 and Updates Full-Year Guidance CTOS First-Quarter Highlights "We continue to see strong demand in our TES segment, posting double-digit growth for the sixth consecutive quarter. CTOS is well positioned to capitalize on the secular tailwinds we see around AI and data center investment, electrification, and utility grid upgrades. We continue to be impacted by end-market supply chain, regulatory and customer financing factors affecting the t ...