As part of PolyOne’s EHS&S Audit Program, internal experts from corporate EHS&S and the various operations regularly visit sites to validate compliance to internal standards and regulatory requirements. PolyOne’s Global Trade and EHS&S departments share responsibility for supply chain security. PolyOne’s Corporate EHS&S Department is responsible for overseeing environmental protection and resources.

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C er ti fi ed M anagement System s by Switzerland Certificate The SQS herewith attests that the organisation named below has a management system that meets the requirements of the normative base mentioned.

UTG® HUNTING & SHOOTING SPORTS G U N M A G A Z I N E H O U S I N G • Good dimension stability with low warpage at different temperature ranges (70˚C, room temperature, -40˚C) • Good appearance with less glass fiber exposure • Provided durable and impact-resistant glass fiber reinforced formulation with excellent surface finish and good dimensional stability for smooth operation • Passed all temperature durability and drop tests to confirm use in outdoor environments • Collaborated with customer via technology services to accelerate product development Bergamid™ Customized Polyamide Formulation KEY REQUIREMENTS WHY AVIENT?

LEADING BIOTECH MANUFACTURER C O N D U C T I V E P I P E T T E T I P S • Accuracy of liquid measurements • Hydrophobic properties to minimize fluid retention • Concentric dimensional stability and warp resistance • High flow properties for multi-cavity molds • Offered consistent electrical conductivity to achieve repeatable part performance and minimize failures from inconsistent conductivity • Provided high flow grade with easy processing to improve efficiency and cost effectiveness • Achieved high stiffness and warp resistance, minimizing the rejection rate Trilliant™ HC Conductive Formulation KEY REQUIREMENTS WHY AVIENT?

DIVING BOARD SPRING D I V I N G B O A R D S P R I N G POOL DECK EQUIPMENT MANUFACTURER • Non-corrosive alternative to steel springs to prevent rust, degradation and staining of pool decks • Flexible and durable to prolong product life • Provided a corrosion-proof composite material to prevent rust stains on pool decks • Delivered a custom-shaped compression molded spring capable of deep deflection and high fatigue resistance for extended product life • Reduced weight by 75% compared to steel, resulting in lower shipping and installation costs Gordon Composites™ Molded Unidirectional Thermoset Barstock KEY REQUIREMENTS WHY AVIENT?

CONCRETE REINFORCEMENT I N F R A S T R U C T U R E R E P A I R • Alternative to steel for reduced weight and improved corrosion resistance • Surface modification capabilities to improve concrete adhesion • Superior strength-to-weight ratio • Durable, long-lasting performance to extend service life • Provided peel ply and other surface modification capabilities that comply with specific CA regulations and allowed for better adhesion with concrete • Performed with higher strength-to-weight ratio than typical steel alternatives • Prolonged service life by resisting corrosion and dampening vibration Glasforms™ Carbon Fiber Composites KEY REQUIREMENTS WHY AVIENT?

DATA STORAGE UNIT MANUFACTURER D A T A S T O R A G E C A R R I E R • Excellent dimensional stability • Good mechanical properties with excellent wear resistance • Flame retardant requirement – FRv0 compliance • UL certification • Provided a customized formulation to meet application-specific lubricity, physical and thermal requirements • Delivered on short lead times to help customer manage working capital LubriOne™ CY1000-000/5T FR V0 BLK001 Formulation KEY REQUIREMENTS WHY AVIENT?

LubriOne_Autoinjector Pen _Application snapshot_0419 AUTO-INJECTOR PEN OEM P L U N G E R S C R E W • Reduce friction and improve durability • Good strength and stiffness • Dimensional stability • Formulated a self-lubricating material to meet injection accuracy requirement • Improved the user experience by improving injector’s wear resistance • Achieved consistent dimensional stability and properties LubriOne™ Internally Lubricated Formulation KEY REQUIREMENTS WHY AVIENT?

S U R G I C A L T O R Q U E W R E N C H SURGICAL DEVICE MANUFACTURER • Excellent wear resistance and lubricity • Easy-to-mold • Good chemical resistance, excellent disinfection performance • Dimensional stability • Formulated a specialty thermoplastic that retained physical properties and dimensional stability under various testing conditions • Provided a custom solution faster than competitors to support accelerated speed to market Edgetek™ Engineered Polymer Formulation KEY REQUIREMENTS WHY AVIENT?