PROPERTY TEST METHOD NOMINAL VALUE Specific Gravity (25/25°C) ASTM D-891 0.950–0.956 Acid Number (mg KOH/g) AOCS Cd 3d-63 < 1.00 Appearance ASTM D-2090 Clear Color (Pt-Co Scale) ASTM D-1209 < 100 Molecular Weight – Theoretical, approximate 316 Oxirane Content (wt%) AOCS Cd 9-57 > 6.4 Water Content (wt%) ASTM E-1064 < 0.15 TECHNICAL PROPERTIES To learn more about SynPlicity™ 1000 Cosmetic Ester, contact PolyOne at 1.866.POLYONE (1.866.765.9663)

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

TERMS AND CONDITIONS These Terms and Conditions govern the sale of Products to another party (“Buyer”) by Avient Corporation and its affiliates (“Seller”). WARUNKI Niniejsze Warunki regulują sprzedaż Produktów na rzecz drugiej strony („Kupujący”) przez Avient Corporation i jej podmioty powiązane („Sprzedający”). 1. If Buyer resells the Products, Buyer agrees to the Terms and Conditions Regarding Buyer Resale of Avient Products located at www.avient.com/terms.

Factors that could cause actual results to differ materially from those implied by these forward-looking statements include, but are not limited to: � 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; � 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; Forward Looking Statements � Changes in polymer consumption growth rates in the markets 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, employee productivity goals, and an inability to raise or sustain prices for products or services; � The ability to successfully integrate acquired companies into our operations, retain the management teams of acquired companies, and retain relationships with customers of acquired companies, including without limitation, Color Matrix Group, Inc.

CATEGORY DETAIL EC Number 215-175-0 CAS Number 1309-64-4 Name Subclass 1 Antimony Trioxide (ATO) Structural Formula CHEMICAL IDENTITY PROPERTY DETAIL Physical State Solid Form Powder Color White Odor Odorless Melting Point 656°C Boiling Point 1425°C Bulk Density 5.20 g/cm3 Water Solubility Slightly Soluble PHYSICAL/ CHEMICAL PROPERTIES HEALTH EFFECTS HUMAN HEALTH SAFETY ASSESSMENT Consumer It is very unlikely that consumers would be exposed to ATO in its concentrated form because it is only sold for industrial use to make polymers and other products and is not sold directly to consumers.

TERMS AND CONDITIONS These Terms and Conditions govern the sale of Products to another (“Buyer”) by Avient Corporation and its affiliates (“Seller”). 1. If Buyer resells the Products, Buyer agrees to the Terms and Conditions Regarding Buyer Resale of Avient Products located at www.avient.com/terms. Buyer acknowledges and represents that it is familiar with and shall strictly comply with all applicable laws and regulations concerning the trade, export or re-export of products, services, data or technology (“Items”), , including the International Traffic in Arms Regulations (ITAR), the Export Administration Regulations (EAR) and the trade sanctions regulations administered by the U.S.

VILKÅR OG BETINGELSER / TERMS AND CONDITIONS Disse vilkår og betingelser gælder for Avient Corporations og dets tilknyttede selskabers ("Sælger") salg af produkter til en anden ("Køber"). These Terms and Conditions govern the sale of Products to another (“Buyer”) by Avient Cor- poration and its affiliates (“Seller”). 1. If Buyer resells the Products, Buyer agrees to the Terms and Conditions Regarding Buyer Resale of Avient Products located at www.avient.com/terms.

VŠEOBECNÉ OBCHODNÉ PODMIENKY Tieto Všeobecné obchodné podmienky upravujú predaj výrobkov kupujúcemu (ďalej len „kupujúci“) spoločnosťou Avient Corporation a jej pridruženými spoločnosťami (ďalej len „predávajúci“). TERMS AND CONDITIONS These Terms and Conditions govern the sale of Products to another (“Buyer”) by Avient Corporation and its affiliates (“Seller”). 1. If Buyer resells the Products, Buyer agrees to the Terms and Conditions Regarding Buyer Resale of Avient Products located at www.avient.com/terms.

TERMS AND CONDITIONS These Terms and Conditions govern the sale of Products to another (“Buyer”) by Avient Corporation and its affiliates (“Seller”). 1. If Buyer resells the Products, Buyer agrees to the Terms and Conditions Regarding Buyer Resale of Avient Products located at www.avient.com/terms. Si el Comprador revende los Productos, el mismo acepta los Términos y Condiciones relativos a la Reventa por el Comprador de Productos Avient que se encuentren en www.avient.com/terms.

TÉRMINOS Y CONDICIONES Estos términos y condiciones regulan la venta de Productos a terceros (el “Comprador”) por parte de Avient Corporation y sus filiales (el “Vendedor”). 1. If Buyer resells the Products, Buyer agrees to the Terms and Conditions Regarding Buyer Resale of Avient Products located at www.avient.com/terms. En caso de que el Comprador revenda los Productos, acepta los Términos y Condiciones sobre Reventa de Productos Avient disponibles en www.avient.com/terms.