Seller may, during any period of shortage due to any cause, prorate, and allocate its supply of such materials among itself for its own consumption, its subsidiaries, affiliated companies, its accepted orders, contract customers, and its regular customers not then under contract in such a manner as may be deemed fair and reasonable by Seller. During periods when demand for Product exceeds Seller’s capability to supply, whether due to a force majeure or otherwise, Seller may distribute Product among itself for its own uses, Buyer, and other customers, in such manner as Seller deems fair and practicable. Buyer shall disseminate such information so as to give warning of possible hazards to persons whom Buyer can reasonably foresee may receive exposure to such hazards, including, but not limited to, Buyer’s employees, agents, contractors and customers.

Seller may, during any period of shortage due to any cause, prorate, and allocate its supply of such materials among itself for its own consumption, its subsidiaries, affiliated companies, its accepted orders, contract customers, and its regular customers not then under contract in such a manner as may be deemed fair and reasonable by Seller. During periods when demand for Product exceeds Seller’s capability to supply, whether due to a force majeure or otherwise, Seller may distribute Product among itself for its own uses, Buyer, and other customers, in such manner as Seller deems fair and practicable. Buyer shall disseminate such information so as to give warning of possible hazards to persons whom Buyer can reasonably foresee may receive exposure to such hazards, including, but not limited to, Buyer’s employees, agents, contractors, subcontractors and customers.

Customer demands for foolproof overmolding elastomers have increased with various degrees of sophistication both in equipment, accessories and facilities from global manufacturing vendors. Finally, these novel TPEs for engineering thermoplastics contribute valuably to our ever- expanding portfolio of technologies that offer our customers differentiated solutions for various applications in the consumer market.

• Factors that could cause actual results to differ materially from those implied by these forward looking statements include but are not limited to:• Factors that could cause actual results to differ materially from those implied by these forward‐looking statements include, but are not limited to:  Our ability to achieve the strategic and other objectives relating to the Spartech acquisition, including any expected synergies; our ability to successfully integrate Spartech and achieve the expected results of the acquisition, including, without limitation, the acquisition being accretive;  Disruptions, uncertainty or volatility in the credit markets that could adversely impact the availability of credit already arranged and the availability and cost of credit in the future;  The financial condition of our customers, including the ability of customers (especially those that may be highly leveraged and those with inadequate liquidity) to maintain their credit availability;liquidity) to maintain their credit availability;  The speed and extent of an economic recovery, including the recovery of the housing market;  Our ability to achieve new business gains;  The amount and timing of repurchases, if any, of PolyOne common shares and our ability to pay regular quarterly cash dividends and the amounts and timing of any future dividends;  The effect on foreign operations of currency fluctuations, tariffs, and other political, economic and regulatory risks;  Changes in polymer consumption growth rates in the markets where we conduct business;g p y p g ;  Changes in global industry capacity or in the rate at which anticipated changes in industry capacity come online;  Fluctuations in raw material prices, quality and supply and in energy prices and supply;  Production outages or material costs associated with scheduled or unscheduled maintenance programs;  Unanticipated developments that could occur with respect to contingencies such as litigation and environmental matters;  An inability to achieve or delays in achieving or achievement of less than the anticipated financial benefit from initiatives related to working capital reductions, cost reductions, employee productivity goals, and an inability to raise or sustain prices for products or services;, , p y p y g , y p p ;  An inability to maintain appropriate relations with unions and employees; and  Other factors affecting our business beyond our control, including, without limitation, changes in the general economy, changes in interest rates and changes in the rate of inflation. • The above list of factors is not exhaustive. • We undertake no obligation to publicly update forward‐looking statements, whether as a result of new information, future events or otherwise.

Buyer will disseminate such information so as to give warning of possible hazards to persons whom Buyer can reasonably foresee may receive exposure to such hazards, including, but not limited to, Buyer’s employees, agents, contractors and customers. During periods when demand for the Product exceeds Seller’s available supply, whether due to a force majeure or otherwise, Seller may distribute the Product among itself for its own manufacturing uses, its customers, and Buyer in such manner as Seller deems fair and practicable.

Staying close to our customers to help them navigate the uncertain environment and execute their respective plans 2. All Rights Reserved 2025 9 Regional manufacturing capabilities and supply chains help us serve our customers locally Global reach with a local touch Sales exposure $100M ~3% LESS THAN Raw materials exposure $100M ~7.5% LESS THAN Tariff exposure 2025 guidance Copyright © .

Staying close to our customers to help them navigate the uncertain environment and execute their respective plans 2. All Rights Reserved 2025 9 Regional manufacturing capabilities and supply chains help us serve our customers locally Global reach with a local touch Sales exposure $100M ~3% LESS THAN Raw materials exposure $100M ~7.5% LESS THAN Tariff exposure 2025 guidance Copyright © .

Although both properties reflect how the product feels in the customer's hands, flexural modulus measures the resistance to bending, while hardness measures the resistance to indentation.

Although both properties reflect how the product feels in the customer's hands, flexural modulus measures the resistance to bending, while hardness measures the resistance to indentation.

Color – Custom colors modify appearance to increase consumer appeal and ease identification.