Business Description

Overview Park-Ohio Holdings Corp. (“Holdings” or “ParkOhio”), incorporated in Ohio since 1998, is a diversified international company providing world-class customers with a supply chain management outsourcing service, capital equipment used on their production lines, and manufactured components used to assemble their products. References herein to “we” or “the Company” include, where applicable, Holdings and Park-Ohio Industries, Inc. and Holdings’ other direct and indirect subsidiaries. The Company operates through three reportable segments: Supply Technologies, Assembly Components and Engineered Products. As of December 31, 2025, we employed approximately 6,300 people. The following table summarizes the key attributes of each of our business segments: Supply Technologies Assembly Components Engineered Products NET SALES FOR 2025 $747.5 million $380.6 million $471.0 million SELECTED PRODUCTS Sourcing, planning and procurement of over 280,000 production components, including: • Fasteners • Pins • Valves • Hoses • Wire harnesses • Clamps and fittings • Rubber and plastic components • Other Class C and MRO products • Fuel rails • Fuel filler assemblies • Extruded rubber and plastics • Molded rubber and plastics • Induction heating and melting systems • Pipe threading systems • Industrial oven systems • Forging presses • Forged steel and machined products • Generators and transformers • Forming machines • Inverters SELECTED INDUSTRIES SERVED • Heavy-duty truck • Power sports and recreational equipment • Aerospace and defense • Semiconductor equipment • Electrical distribution and controls • Consumer electronics • Bus and coaches • Automotive • Agricultural and construction equipment • HVAC • Lawn and garden • Plumbing • Medical devices • Automotive and light vehicle • Agricultural equipment • Construction equipment • Heavy-duty truck • Bus • Ferrous and non-ferrous metals • Coatings • Forging • Foundry • Heavy-duty truck • Construction equipment • Automotive • Oil and gas • Rail • Aerospace and defense • Power generation The Company consists of the following segments: Supply Technologies 3 Table of Contents Our Supply Technologies business provides our customers with Total Supply Management ™ , a proactive solutions approach that manages the efficiencies of every aspect of supplying production parts and materials to our customers’ manufacturing floor, from strategic planning to program implementation. Total Supply Management ™ includes engineering and design support, part usage and cost analysis, supplier selection, quality assurance, bar coding, product packaging and tracking, just-in-time and point-of-use delivery, electronic billing services and ongoing technical support. We operate approximately 80 logistics service centers in the United States, Mexico, Canada, Czech Republic, Puerto Rico, Scotland, Hungary, China, Taiwan, Singapore, India, England, France, Spain, Poland, Wales, Northern Ireland and Ireland, including production sourcing and support centers in the United States and Asia. Through our supply chain management programs, we supply more than 280,000 globally-sourced production components, many of which are specialized and customized to meet individual customers’ needs. Total Supply Management ™ provides our customers with an expert partner in strategic planning, global sourcing, technical services, parts and materials, logistics, distribution and inventory management of production components. Some production components are characterized by low per-unit supplier prices relative to the indirect costs of supplier management, quality assurance, inventory management and delivery to the production line. In addition, Supply Technologies delivers an increasingly broad range of higher-value production components including valves, fuel hose assemblies, electro-mechanical hardware, labels, fittings, steering components and many others. Applications engineering specialists and the direct sales force work closely with the engineering staff of original equipment manufacturer (“OEM”) customers to recommend the appropriate production components for a new product or to suggest alternative components that reduce overall production costs, streamline assembly or enhance the appearance or performance of the end product. Supply Technologies also provides spare parts and aftermarket products to end users of its customers’ products.…