The revision process for the plastics packaging chapters of the USP-NF, including USP 661, has been underway for several years.

Our formulation expertise supports material science decisions, while our processing expertise guides customers to use the materials properly. Our exceptional polymer scientists and design engineers are integral to their product development process. Distribution w/ Synergies Adjusted EPS EBITDA as % of Sales (1) (1) (1,3) (2,3)(2) 15 • Barrier technology • Functional additives • Processing aids • Flame retardants • Light-weighting additives Complementary Technologies • Clariant’s approved formulations and certified facilities • Legacy PolyOne’s leading share in distribution channels Healthcare Solutions • Clariant’s position in SE Asia, Latin America, Germany & Italy • Legacy PolyOne’s position in U.S., Canada and China Regional Strengths • Solutions with Avient’s engineered materials customers • Avient’s distribution channels Segment Cross-selling COMPLEMENTARY TECHNOLOGIES AND CUSTOMERS DRIVE REVENUE SYNERGIES Revenue synergy opportunities in excess of $50MM by 2025 The complementary aspects of our combined businesses are unquestionable.

Our formulation expertise supports material science decisions, while our processing expertise guides customers to use the materials properly. Our exceptional polymer scientists and design engineers are integral to their product development process. Distribution w/ Synergies Adjusted EPS EBITDA as % of Sales 16.7% $2.60 (1) (1) (1,3) (2,3)(2) 15 • Barrier technology • Functional additives • Processing aids • Flame retardants • Light-weighting additives Complementary Technologies • Clariant’s approved formulations and certified facilities • Legacy PolyOne’s leading share in distribution channels Healthcare Solutions • Clariant’s position in SE Asia, Latin America, Germany & Italy • Legacy PolyOne’s position in U.S., Canada and China Regional Strengths • Solutions with Avient’s engineered materials customers • Avient’s distribution channels Segment Cross-selling COMPLEMENTARY TECHNOLOGIES AND CUSTOMERS DRIVE REVENUE SYNERGIES Revenue synergy opportunities in excess of $50MM by 2025 The complementary aspects of our combined businesses are unquestionable.

Processing & Design Guides Guidance on key elements of preparation and molding process for Complet & OnForce LFT

Trained local 'refractionists' assist in the process. Our group of experienced industrial designers and project engineers combine design, polymer science and manufacturing expertise to streamline customers' product development process and sharpen their competitive edge.

Processing & Design Guides Guidance on key elements of preparation and molding process for Complet & OnForce LFT

Processing & Design Guides Polystrand™ Thermoplastic Composite Panels provided custom-formulated panels with UV stable laminates and improved the efficiency of the manufacturing process for OEM

Processing & Design Guides Polystrand™ Thermoplastic Composite Panels provided custom-formulated panels with UV stable laminates and improved the efficiency of the manufacturing process for OEM

Avient’s reinforced composite technologies use carbon, glass and aramid fibers with custom formulated thermoset or thermoplastic resins in continuous forming processes Processing & Design Guides

This can help simplify the overall decision-making process for brand owners and technical colorists and help shorten the time-to-launch of new product ranges. These new reSound materials utilize global formulation expertise, green manufacturing processes, and sourcing & logistics competence to lower net CO2 emissions while delivering comparable performance to traditional TPEs.