KENNESAW, Georgia – PolyOne Corporation, a premier global provider of specialized polymer materials, services and solutions announced today that it has received several sustainability-related compliance and regulatory product certifications for Wilflex™ Textile Printing Inks. Media Relations Contacts

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Any such statement, sample or other information of Seller in relation to the Specifications, the Products and the use thereof are furnished for the accommodation of Buyer only and are not warranties or representations of performance. If Seller grants a discount, such discount only relates to the delivery and/or quantity of the Products specifically mentioned in Seller’s order confirmation. The obligation to “indemnify and hold harmless” included in this section shall mean the obligation of Buyer to cover any damage, costs and expenses suffered or incurred by Seller and pay the relevant amounts to Seller as well as to release Seller from any liability towards third parties (Article 392 of the Polish Civil Code).

Make your products look and feel amazing, and add shelf appeal while you’re at it: • Offer a more comfortable grip to a typically hard surface with TPEs from Avient • Provide an easy process for customization with TPEs • Use materials that provide documented vibration damping and lessen the negative effects of bone- rattling vibration on the human body Your customers may get their thrills from extreme sports like backwoods snowboarding or a simple family camping trip.

Efficient, high-quality operations are one means to that goal, and PolyOne’s award-winning Lean Six Sigma culture contributes every day. When used in this Annual Report on Form 10-K, the terms “we,” “us,” “our”, "PolyOne" and the “Company” mean PolyOne Corporation and its consolidated subsidiaries. When used in these notes to the consolidated financial statements, the terms “we,” “us,” “our”, "PolyOne" and the “Company” mean PolyOne Corporation and its consolidated subsidiaries.

The Avient GLS™ product families that include styrenic TPEs are Versaflex™, Dynaflex™, OnFlex, Versalloy™ and Versollan™. The typical spiral flow lengths for the various GLS product families are summarized in Table 1. If a family mold is required, the cavity volumes should be similar, otherwise overpacking and flashing of the smaller cavity may occur.

The TPE family has adhesion on any type of polyamide tested in the study, including undried materials, making them truly Universal polyamide overmold TPEs. POLYAMIDE TYPE Polyamides are a family of semi-crystalline engineering polymers with variations in chemistries, melting point and crystallinity.

When used in this Annual Report on Form 10-K, the terms “we,” “us,” “our”, "PolyOne" and the “Company” mean PolyOne Corporation and its consolidated subsidiaries. When used in these notes to the consolidated financial statements, the terms “we,” “us,” “our”, “PolyOne” and the “Company” mean PolyOne Corporation and its consolidated subsidiaries. These benefits related to a 2017 European legal entity realignment.

OUR FUTURE. 1 2 “ “ In this annual report, statements that are not reported financial results or other historical information are “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. When used in this Annual Report on Form 10-K, the terms “we,” “us,” “our”, "PolyOne" and the “Company” mean PolyOne Corporation and its consolidated subsidiaries. When used in these notes to the consolidated financial statements, the terms “we,” “us,” “our”, "PolyOne" and the “Company” mean PolyOne Corporation and its consolidated subsidiaries.

Investor Relations Contact: Giuseppe (Joe) Di Salvo, Vice President, Treasurer and Investor Relations, Avient Corporation, +1 440-930-1921, giuseppe.disalvo@avient.com; Media Contact: Kyle G.