Sincerely, Brett Warland Director of Process Improvement PolyOne Corporate PolyOne Quality Survey Standard Response 2015 12 09 Source: Corporate Quality Page: 2 of 14 Table of Contents 1.0 POLYONE CORPORATE: OVERVIEW ................................................................................................................................... 3 2.0 MANAGEMENT SYSTEM REGISTRATIONS .......................................................................................................................... 3 3.0 AUDIT ................................................................................................................................................................................ 3 4.0 MANAGEMENT RESPONSIBILITY ........................................................................................................................................ 4 5.0 QUALITY OVERVIEW .......................................................................................................................................................... 5 5.1 QUALITY MANAGEMENT SYSTEM ................................................................................................................................................. 7 5.2 SUPPLIER MANAGEMENT ............................................................................................................................................................ 7 5.3 DELIVERY ................................................................................................................................................................................. 8 5.4 SYSTEMS, POLICIES, AND PRACTICES .............................................................................................................................................. 9 5.5 RESPONSIVENESS ....................................................................................................................................................................... 9 5.6 TECHNOLOGY.......................................................................................................................................................................... 10 6.0 INFORMATION TECHNOLOGY DISASTER RECOVERY PRACTICES....................................................................................... 11 7.0 ENVIRONMENTAL MANAGEMENT SYSTEM / ISO 14001 .................................................................................................. 14 8.0 CREDIT REFERENCES ........................................................................................................................................................ 14 9.0 SUSTAINABILITY AND NO SURPRISES PLEDGE .................................................................................................................. 14 PolyOne Quality Survey Standard Response 2015 12 09 Source: Corporate Quality Page: 3 of 14 1.0 PolyOne Corporate: Overview • To view the PolyOne Executive Leadership Team and the PolyOne Business Leadership, please visit the following URL: http://www.polyone.com/company/about-us/company-officers Corporate Department of Continuous Improvement (Quality Department) Brett Warland Director of Process Improvement 440-930-3318 Jake Kucbel Corporate Quality Engineer 440-930-1557 SIC / NAICS Codes and Descriptions for PolyOne Businesses 3087 325991 Customer compounding of purchased resins 2821 325211 Plastic material and resin manufacturing 2851 325510 Paint and coating manufacturing (Specialty Coatings) 5162 422610 Plastic materials wholesalers (POD) 326199 Composites (Glasforms) DUNS# 84-508-2861 PolyOne Corporate at PolyOne Center Federal ID# 34-1730488 • Company Longevity: As PolyOne, since 9/1/2000. The "owner" is the person or authority who originally developed the formulation. 6.

BATTERY RANGE EXTENSION Lightweighting SOLUTION: Long fiber reinforced polyketone (PK) thermoplastics © 2023, All Rights Reserved Avient Corporation, 33587 Walker Road, Avon Lake, Ohio USA 44012 https://www.avient.com/products/long-fiber-technology/long-fiber-technologies/compl-t-rec-formulations https://www.avient.com/products/long-fiber-technology/long-fiber-technologies/compl-t-rec-formulations https://www.avient.com/products/long-fiber-technology/complet-moisture-resistant-nylons https://www.avient.com/products/long-fiber-technology/complet-moisture-resistant-nylons

MEDICAL EQUIPMENT MANUFACTURER C L O S E D S Y S T E M D R U G T R A N S F E R D E V I C E • A new material for a seal inside the next generation of closed system drug transfer device • Compliance with stringent regulatory standards: • Biocompatibility to ISO10993 • USP VI compliance • Provided regulatory support services and expertise throughout extensive medical approval process • Provided a custom formulation compliant with the highest healthcare regulatory standards • Enabled material to be manufactured and shipped globally Custom Versalloy™ HC 9220-90 Formulation KEY REQUIREMENTS WHY AVIENT?

SECURITY EQUIPMENT MANUFACTURER B O D Y S C A N N E R • Replace PMMA based radome material • Consistent dielectric performance across large sheet/surface area (4mm thick, 2m high) • Ultra low losses • No defects across full surface area • High resolution imaging to show small illegal objects • Formulated a custom material to match customer requirements • Reduced dielectric loss to 0.0009 • Improved image quality of body scanner with uniform dielectric performance and exceptionally low losses • Enabled scan time of 2 seconds and person throughput of 400 persons per hour, compared to 100 person throughput of conventional devices PREPERM™ PPE 260 Formulation KEY REQUIREMENTS WHY AVIENT?

Our design team created a formulation modified for the supplier’s specific processing environment. Finally, the material was formulated to mimic the plush look and dry feel of leather. CORE™ VBX Series Vinyl Powder formulations provide superior haptics and aesthetics for a variety of automotive interior parts.

No. 0514.02) Revised 10/08/2019 Page 1 of 2 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2005 POLYMER DIAGNOSTICS INC. 33587 Walker Road Avon Lake, OH 44012 Ana De La Ree Phone: 440-930-3271 CHEMICAL Valid To: December 31, 2019 Certificate Number: 0514.02 In recognition of the successful completion of the A2LA evaluation process, accreditation is granted to this laboratory to perform the following rubber and plastics tests: Test Description: Test Method or Standard: Analysis of Volatile Contaminants from Polymers (Chromatography) VDA 277 FTIR (Fourier Transform Infrared) Spectroscopy ASTM E1252 (Except 7.6, 11.2, and 11.4) Flammability Horizontal Burn of Self-Supporting Plastics ASTM D635; UL 94; IEC 60695-11-10 Horizontal Burn of Materials Used in Occupant Compartments of Motor Vehicles ASTM D5132; FMVSS 302 (49 CFR 571.302) Vertical Burn, 20 mm ASTM D3801; UL 94; IEC 60695-11-10 Vertical Burn, 125 mm ASTM D5048; UL 94; IEC 60695-11-20 Oxygen Index ASTM D2863 FT1 Flame Test UL1581, Clause 1060; UL2556/CSA C22.2 No 2556, Clause 9.3 Cable Flame Test UL1581, Clause 1061 VW1 Flame Test UL1581, Clause 1080; UL2556/CSA C22.2 No 2556, Clause 9.4 FT2/FH Flame Test UL1581, Clause 1100; UL2556/CSA C22.2 No 2556, Clause 9.1 FV-1 Flame Test UL1581, Clause 1060; UL2556/CSA C22.2 No 2556, Clause 9.5 Thin Material Burning Test UL-94 Glow Wire Test IEC 60695 2-10, 2-11, 2-12, 2-13 RVCM in PVC ASTM D4443 (A2LA Cert. Accredited Laboratory A2LA has accredited POLYMER DIAGNOSTICS INC.

No. 0514.02) Revised 09/21/2021 Page 1 of 2 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 POLYMER DIAGNOSTICS INC. 33587 Walker Road Avon Lake, OH 44012 Ana De La Ree Phone: 440-930-3271 CHEMICAL Valid To: December 31, 2021 Certificate Number: 0514.02 In recognition of the successful completion of the A2LA evaluation process, accreditation is granted to this laboratory to perform the following rubber and plastics tests: Test Description: Test Method or Standard: Analysis of Volatile Contaminants from Polymers (Chromatography) VDA 277 FTIR (Fourier Transform Infrared) Spectroscopy ASTM E1252 (Except 7.6, 11.2, and 11.4) Flammability Horizontal Burn of Self-Supporting Plastics ASTM D635; UL 94; IEC 60695-11-10 Horizontal Burn of Materials Used in Occupant Compartments of Motor Vehicles ASTM D5132; FMVSS 302 (49 CFR 571.302); ISO 3785 Vertical Burn, 20 mm ASTM D3801; UL 94; IEC 60695-11-10 Vertical Burn, 125 mm ASTM D5048; UL 94; IEC 60695-11-20 Oxygen Index ASTM D2863 FT1 Flame Test UL1581, Clause 1060; UL2556/CSA C22.2 No 2556, Clause 9.3 Cable Flame Test UL1581, Clause 1061 VW1 Flame Test UL1581, Clause 1080; UL2556/CSA C22.2 No 2556, Clause 9.4 FT2/FH Flame Test UL1581, Clause 1100; UL2556/CSA C22.2 No 2556, Clause 9.1 FV-1 Flame Test UL1581, Clause 1060; UL2556/CSA C22.2 No 2556, Clause 9.5 Thin Material Burning Test UL-94 Glow Wire Test IEC 60695 2-10, 2-11, 2-12, 2-13 RVCM in PVC ASTM D4443 (A2LA Cert. Accredited Laboratory A2LA has accredited POLYMER DIAGNOSTICS INC.

FL.Datasheet FRP.indd FIBER OPTICAL CABLES Key Features • Sizes Available: 0.25 mm – 5.00mm • Dielectric (excluding Carbon) • Additional ujacketing available up to 17.00 mm • Oval & rectangular shapes available • Rod printing available for accurate length reading • Splicing/ respooling services available FIBER-LINE® FIBERS FOR FRP • Fiberglass • Kevlar® Para-Aramid • Vectran® Liquid Crystal Polymer (LCP) • Zylon® Polybenzyloate (PBO) • Carbon Fiber FIBER-LINE® PERFORMANCE ADDING COATINGS • Swellcoat® Water Absorbing Protection • Protexcoat™ UV Degradation Prevention FIBER-LINE® PRODUCTS W/ FRP • Strength elements • Central strength members   Overview • FIBER-LINE® recently installed new state of the art pultrusion equipment to complement its traditional processes for making FRP (Fiber Reinforced Polymer). • Resin chemistry is optimized for process conditions, fiber adhesion, and end-use application of FRP.

Its portfolio of OnColor™ polymer colorants was developed to improve the heat and long-term color stability of cautionary orange polymers for high-voltage EV connectors, offering the following benefits: • Long-term fading resistance in thermal aging tests at up to 130°C for 1,000 hours, • No migration, excellent processing stability • Lower corrosion risk vs. typical comparable colorants • No impact on flame retardancy and limited adverse effects on essential mechanical characteristics, including flexural and impact strength Avient’s orange nylon colorants are available in several validated RAL, Pantone, and JPMA orange shades for compounding, injection molding, and extrusion.

BIO additives MR snapshot 2022 Final EXTRUSION CAST PROCESSOR T H I N P L A F I L M & B A G S • Non-stick performance during manufacturing • Excellent film quality with good aesthetics • Efficient and clean process performance • Compliant with food contact applications* • Provided a performance additive to prevent biodegradable resin from sticking to the chill-roll surface • Reduced the polymer friction factor on metal surfaces, resulting in a better film quality • Helped improve the manufacturing process with fewer cleaning steps CESA™ OnCap™ & BIO Additives KEY REQUIREMENTS WHY AVIENT? https://www.avient.com/products/polymer-additives/performance-enhancement-additives/oncap-bio