Pet Care & Supplies Office Supplies Auto-injectors and Drug Delivery Pens

At every step of the mobility value chain, Swanson, Director, Investor Relations, PolyOne Corporation, +1 440-930-1018, eric.swanson@avient.com; Media Contact: Kyle G. Rose, Vice President, Corporate Communications, PolyOne Corporation, +1 440-930-3162, kyle.rose@avient.com

Attachment 1 Special items (1) 1)

Domestic: 1-844-835-7433 International: 1-914-495-8589 Domestic: 1-855-859-2056

Non-renewable energy sources, like coal and oil, are limited in supply and often contribute to increased carbon emissions. Fixed in idle waters in Taiwan in this case, Avient’s integrated colorant and anti-UV solution is expected to provide 25 years of weathering resistant performance. 1 float = 10kgs, 1 MW= 3,100~3,700 floats (3.5 MT MB)

Non-renewable energy sources, like coal and oil, are limited in supply and often contribute to increased carbon emissions. Fixed in idle waters in Taiwan in this case, Avient’s integrated colorant and anti-UV solution is expected to provide 25 years of weathering resistant performance. 1 float = 10kgs, 1 MW= 3,100~3,700 floats (3.5 MT MB)

Although industry leaders are retooling to produce more masks, manufacturers and suppliers are struggling to bridge the gap between demand and supply. Avient Announces Quarterly Dividend... Avient Board of Directors Appoints Ashish K.

Avient Announces Quarterly Dividend... Avient Board of Directors Appoints Ashish K. Avient Announces First Quarter 2025 Results...

To help reduce consumption from non-renewable energy sources and facilitate the expansion of renewable energy availability, Avient continues to leverage Virtual Power Purchase Agreements (VPPA). We have appointed a designated supply chain sustainability professional to lead proactive and targeted sustainability focused engagement efforts with suppliers to understand and mitigate market and value chain risk exposure. We collaborate across the value chain from suppliers to converters and brand owners to enable our customers to meet their sustainability goals.

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 realize anticipated savings and operational benefits from the realignment of assets, including the closure of manufacturing facilities; the timing of closings and shifts of production to new facilities related to asset realignments and any unforeseen loss of customers and/or disruptions of service or quality caused by such closings and/or production shifts; separation and severance amounts that differ from original estimates; amounts for non-cash charges related to asset write-offs and accelerated depreciation realignments of property, plant and equipment, that differ from original estimates; our ability to identify and evaluate acquisition targets and consummate acquisitions; the ability to successfully integrate acquired businesses into our operations, including whether such businesses will be accretive to our earnings, retain the management teams of acquired businesses, and retain relationships with customers of acquired businesses; 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; the speed and extent of an economic recovery, including the recovery of the housing market; our ability to achieve new business gains; the effect on foreign operations of currency fluctuations, tariffs and other political, economic and regulatory risks; changes in polymer consumption growth rates and laws and regulations regarding the disposal of plastic in jurisdictions where we conduct business; 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 and employee productivity goals; an inability to raise or sustain prices for products or services; an inability to maintain appropriate relations with unions and employees; our ability to continue to pay cash dividends; the amount and timing of repurchases of our common shares, if any; 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. Swanson, Director, Investor Relations, PolyOne Corporation, +1 440-930-1018, eric.swanson@avient.com; Media Contact: Kyle G. Rose, Vice President, Corporate Communications, PolyOne Corporation, +1 440-930-3162, kyle.rose@avient.com