MSC Certificate Place and date: For the issuing office: Shanghai, 20 March 2024 DNV - Business Assurance Building 9, No. 1591 Hongqiao Road, Changning DistrictShanghai China 200336 Zhu Hai Ming Management Representative Lack of fulfilment of conditions as set out in the Certification Agreement may render this Certificate invalid. ACCREDITED UNIT: DNV Business Assurance B.V., Zwolseweg 1, 2994 LB, Barendrecht, Netherlands - TEL: +31(0)102922689. www.dnv.com/assurance MANAGEMENT SYSTEM CERTIFICATE Certificate no.: 7071-1998-AQ-RGC-RvA Initial certification date: 28 April 1998 Valid: 30 March 2024 – 29 March 2027 This is to certify that the management system of PolyOne-Shanghai, China No. 88, Guo Shou Jing Road, Z. ACCREDITED UNIT: DNV Business Assurance B.V., Zwolseweg 1, 2994 LB, Barendrecht, Netherlands - TEL: +31(0)102922689. www.dnv.com/assurance Page 2 of 2 Appendix to Certificate PolyOne-Shanghai, China Locations included in the certification are as follows: Site Name Site Address Site Scope PolyOne Polymer (Tianjin) Company Limited No. 28#C, Jin Bin Hi-Tech Industrial Park, No. 156, Nan Hai Road, Tianjin Economic- Technological Development Area, Tianjin, China 300457 Manufacture of Colour and Additive Concentrates PolyOne-Shanghai, China No. 88, Guo Shou Jing Road, Z.

Existing, current MSDSs will continue to reside in our system for the time being, as we cannot convert all to the new format immediately. This means that we are implementing GHS format SDSs to continue to provide our valued customers their solutions of choice, and meeting coming regulations by the required deadline.

Discover our safe and environmentally sound solutions to help you grow your business

In the printing industry, ensuring that colors are correct is an essential part of business.

This collaboration is a great example of how businesses can work together to create a regenerative future and reduce plastic waste in our environment," said David Katz, Plastic Bank's Founder and CEO.

This achieves both the ease of running continuously and reduces lost time associated with set up. The combined system offers added value to processing through: • Modular, compact and customizable • PlanetPak sustainable packaging • Continuous & discontinuous operation • Typically 99%+ recovery of additive/color • Comprehensive control functionality OPTIONS AVAILABLE A range of base units are available for different applications, which can be combined with a full range of options for controllers and pumping. FlexCart Reservoir Cassette • Key component of the FlexCart range providing the ability to change colors in minutes • A ten-liter container housed in a removable cassette, with built in tube storage facility Peristaltic Pump • Ideal for use on shorter production runs & frequent color changes • Re-usable with replaceable tubing • Typically used for injection molding Progressing Cavity Pump • Suited to longer production runs & continuous operation • Accurate, interchangeable & available in five sizes • Typically used in extrusion CMG Controllers • CMG3000 - A robust, straightforward analogue control of metering • CMG5000 - Expanded functions, touch screen, networking & data export • CMG6000 - As for CMG5000 plus control of HP melt injection pumps & melt pressure transducers • FlexG - CMG3000 + load cell system for loss in weight functionality Gyroscopic Mixing & Recirculating • Gyroscopic mixing designed for the patented PlanetPak design • FlexCart Re-Circ Dual paddle mixer designed for larger FlexCart units to rejuvenate materials • Systems designed to maintain liquid colors and additives in prime condition FlexCart FlexCart Mini FlexCart Micro FlexCart Nano FlexCart M.I.

Thermoset Composite Springs For Vibratory Conveyor Equipment PRODUCT BULLETIN THICKNESS (in)* RESIN FLEXURAL STRENGTH (x10^3 psi) FLEXURAL MODULUS (x10^6 psi) STRAIN (%) FIBER CONTENT (wt%) MIN Vinyl Ester 115 4.0 3.3 68 AVG Vinyl Ester 124 4.6 3.2 71 MIN Epoxy 138 5.1 2.3 65 AVG Epoxy 153 5.5 2.3 67 Avient’s composite springs are manufactured using a continuous pultrusion process. Resin impregnated, continuous glass fibers are drawn through a curing die of a specific cross section, yielding consistent quality, dimensions and mechanical properties to provide more consistent spring rates than alternate materials.

THICKNESS (in)* RESIN FLEXURAL STRENGTH (x10^3 psi) FLEXURAL MODULUS (x10^6 psi) STRAIN (%) FIBER CONTENT (wt%) MIN Vinyl Ester 115 4.0 3.3 68 AVG Vinyl Ester 124 4.6 3.2 71 MIN Epoxy 138 5.1 2.3 65 AVG Epoxy 153 5.5 2.3 67 Avient’s composite springs are manufactured using a continuous pultrusion process. Resin impregnated, continuous glass fibers are drawn through a curing die of a specific cross section, yielding consistent quality, dimensions and mechanical properties to provide more consistent spring rates than alternate materials.

CASE STUDY: POLYSTRAND™ CONTINUOUS FIBER THERMOPLASTIC COMPOSITES Challe nge Accepted. The tripod designers consulted with the advanced composite product experts at Avient, and trialed several formulations of Polystrand™ continuous fiber-reinforced thermoplastic composites.

This created competitive pressures and potential loss of business. Combined, these improvements enabled the company to compete on quality and operate profitably while gaining new business. COLLABORATION HELPS FLUOROPOLYMER CABLE MANUFACTURER WIN BUSINESS, CUT COSTS © 2020, All Rights Reserved Avient Corporation, 33587 Walker Road, Avon Lake, Ohio USA 44012