The webcast can be viewed live at avient.com/investors, or by clicking on the webcast link here. https://www.avient.com/investors https://edge.media-server.com/mmc/p/d4zy5fep https://www.avient.com/investors https://register.vevent.com/register/BI2f6c5ad2bc1b4150b7f39a5b024d27cf https://www.avient.com/investors/events-presentations https://www.avient.com/news-events 4 About Avient Avient Corporation (NYSE: AVNT) provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world. Examples include: • Dyneema®, the world’s strongest fiber™, enables unmatched levels of performance and protection for end-use applications, including ballistic personal protection, marine and sustainable infrastructure and outdoor sports • Unique technologies that improve the recyclability of products and enable recycled content to be incorporated, thus advancing a more circular economy • Light-weighting solutions that replace heavier traditional materials like metal, glass and wood, which can improve fuel efficiency in all modes of transportation and reduce carbon footprint • Sustainable infrastructure solutions that increase energy efficiency, renewable energy, natural resource conservation and fiber optic / 5G network accessibility Avient is certified ACC Responsible Care®, a founding member of the Alliance to End Plastic Waste and certified Great Place to Work®.

Webcast Details The webcast can be viewed live at avient.com/investors, or by clicking here: https://edge.media- server.com/mmc/p/yrq7mgm9.To participate in the audio-only portion of the call, dial 1-844-835- 7433 (domestic) or 1-914-495-8589 (international) and provide conference ID number 7899765. About Avient Avient Corporation (NYSE: AVNT), with expected 2021 revenues of $4.75 billion, provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world. Examples include: • Unique technologies that improve the recyclability of products and enable recycled content to be incorporated, thus advancing a more circular economy • Light-weighting solutions that replace heavier traditional materials like metal, glass and wood, which can improve fuel efficiency in all modes of transportation and reduce carbon footprint • Sustainable infrastructure solutions that increase energy efficiency, renewable energy, natural resource conservation and fiber optic / 5G network accessibility Avient employs approximately 8,400 associates and is certified ACC Responsible Care®, a founding member of the Alliance to End Plastic Waste and certified Great Place to Work®.

In the event of Buyer’s breach or failure to perform, Seller shall be entitled to (but is not required to) recover from Buyer, in addition to any other damages caused by such action: (i) in the case of Products produced specifically for Buyer or which reasonably cannot be resold by Seller to a third party, the price of such Products as quoted in Seller’s order confirmation; or (ii) in the case of Products which can be resold by Seller, damages equal to fifty percent (50%) of the price for the Products as quoted in Seller’s order confirmation, as liquidated damages. 9. 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. Kupujúci nesie výlučnú zodpovednosť za (i) zabezpečenie dodržania zákonov a noriem pri svojom zamýšľanom používaní výrobku a (ii) získanie všetkých potrebných súhlasov, povolení alebo oprávnení na takéto používanie.

In the event of Buyer’s breach or failure to perform, Seller shall be entitled to (but is not required to) recover from Buyer, in addition to any other damages caused by such action: (i) in the case of Products produced specifically for Buyer or which reasonably cannot be resold by Seller to a third party, the price of such Products as quoted in Seller’s order confirmation; or (ii) in the case of Products which can be resold by Seller, damages equal to fifty percent (50%) of the price for the Products as quoted in Seller’s order confirmation, as liquidated damages. 9. 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. Buyer shall be exclusively responsible for (i) ensuring compliance with all Laws and Standards associated with its intended use of Product; and (ii) obtaining all necessary approvals, permits or clearances for such use.

Buyer assumes all risks and liabilities (i) arising out of del pedido por la cantidad de Productos entregados por el Vendedor. 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. Buyer shall be exclusively responsible for (i) ensuring compliance with all Laws and Standards associated with its intended use of Product; and (ii) obtaining all necessary approvals, permits or clearances for such use.

In the event of Buyer’s breach or failure to perform, Seller shall be entitled to (but is not required to) recover from Buyer, in addition to any other damages caused by such action: (i) in the case of Products produced specifically for Buyer or which reasonably cannot be resold by Seller to a third party, the price of such Products as quoted in Seller’s order confirmation; or (ii) in the case of Products which can be resold by Seller, damages equal to fifty percent (50%) of the price for the Products as quoted in Seller’s order confirmation, as liquidated damages. 8. 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. Buyer shall be exclusively responsible for (i) ensuring compliance with all Laws and Standards associated with its intended use of Product; and (ii) obtaining all necessary approvals, permits or clearances for such use.

We are optimistic we can host this meeting in person, but will make arrangements to do so by video if necessary," said The webcast can be viewed live at avient.com/investors, or by clicking here: https://edge.media-server.com/mmc/p/p4owuchb. provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world.

A L R T 2 0 17 A N N U A L R E P O R T 2 0 1 7 C R E AT I N G A WO R L D - C L A S S , S U S TA I N A B L E O R G A N I Z AT I O N PolyOne Corporation (NYSE: POL), with 2017 revenues of $3.2 billion, is a premier provider of specialized polymer materials, services and solutions. Competitive pressures can also result in the loss of customers. I have reviewed this Annual Report on Form 10-K of PolyOne Corporation; 2. 

I look forward to sharing more details in our third quarter earnings call and at our upcoming investor day in The webcast can be viewed live at avient.com/investors, or by clicking on the webcast link here.  NYSE: AVNT) provides specialized and sustainable materials solutions that transform customer challenges into opportunities, bringing new products to life for a better world.

Jellison brings substantial financial experience froff m a large, publicly-traded company to the Board. Preete brings an insightfulff perspective on running a successful,ff innovative company. Additionally, negative discretion can be used to reduce the payment to essentially zero.