Custom Truck One Source Announces Fourth Quarter and Full-Year 2024 Earnings Release and Conference Call

Custom Truck One Source, Inc. (NYSE: CTOS) today announced it will release financial results for the fourth quarter and full year 2024 after the market close on Tuesday, March 4, 2025.

Management will discuss the results on a conference call at 9:00 a.m. ET on Wednesday, March 5, 2025. An audio-only webcast of the conference call and a presentation of financial information will be available at investors.customtruck.com. To listen by phone, please dial 1-800-715-9871 or 1-646-307-1963 and provide the operator with conference ID 5195913. A replay of the call will be available until 11:59 p.m. ET, Wednesday, March 12, 2025, by dialing 1‑800-770-2030 or 1-609-800-9909 and entering the passcode 5195913 followed by the # key.

ABOUT CUSTOM TRUCK ONE SOURCE Custom Truck One Source is one of the largest providers of specialty equipment, parts, tools, accessories and services to the electric utility transmission and distribution, telecommunications and rail markets in North America, with a differentiated “one-stop-shop” business model. The Company offers its specialized equipment to a diverse customer base for the maintenance, repair, upgrade and installation of critical infrastructure assets, including electric lines, telecommunications networks and rail systems. The Company's coast-to-coast rental fleet of more than 10,000 units includes aerial devices, boom trucks, cranes, digger derricks, pressure drills, stringing gear, hi-rail equipment, repair parts, tools and accessories. For more information, please visit customtruck.com.

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INVESTOR CONTACT Brian Perman, Vice President, Investor Relations 816-723-7906 [e-mail]