Custom Truck One Source Acquires the Business of SOS Fleet Services, LLC, Expanding Gulf States Footprint and Service Capabilities

Custom Truck One Source, Inc. (NYSE: CTOS) proudly announces its acquisition of the business of SOS Fleet Services, LLC, a full-service repair facility located in Alexandria, Louisiana. This acquisition brings over 30,000 square feet of space and a highly experienced team that will significantly enhance Custom Truck’s service footprint in the region. Our new Alexandria branch is poised to offer the full breadth of Custom Truck’s rental product offering, as well as repair service, to customers in the area.

This acquisition, along with the recently announced 2024 planned branch openings in Casa Grande, AZ, Sacramento, CA and Salt Lake City, UT, will increase Custom Truck's national footprint to 39 locations, from its previous 35. Our footprint expansion will enable us to better serve our customers, ensuring readiness and capability to meet their needs.

Ryan McMonagle, CEO of Custom Truck One Source, highlighted the significance of the acquisition, saying, "The acquisition of the business of SOS Fleet Services marks an important step in our continued efforts to expand our footprint to better serve our rental fleet and our customers. We are thrilled for the opportunity to expand into Alexandria, a vibrant community that has deep roots in the powerline industry. We are excited to welcome the SOS Fleet Services team to the Custom Truck family and look forward to the invaluable contributions they will make to our customers and our team."

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. CTOS 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 10,300 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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Brian Perman, Vice President, Investor Relations 816-723-7906 [e-mail]