This is to confirm that the Environmental, Health, Safety and Security Management System of: Avient Corporation HQ 33587 Walker Road The Environmental, Health, Safety and Security Management System is applicable to: Certificate No: 65536 Effective Date: 29 September 2023 Expiration Date: 28 September 2026 Revision Date: 22 November 2023 Dominic Townsend, President CORPORATE SUPPORT ACTIVITIES, DESIGN, MANUFACTURE AND DISTRIBUTION OF COLOUR AND ADDITIVE CONCENTRATES, THERMOPLASTIC RESINS AND PELLETS, SPECIALTY COMPOUNDS AND COLORANTS. Garibaldi 2405 Lomas de Zamora, Buenos Aires 1832 Argentina Activity: Manufacture of Colour and Additive Concentrates, Thermoplastic Resins and Specialty Compounds Activity: Design and Manufacture of Colorants and Additives Concentrates Facility: Avient Colorants SA Parc Scientifique Fleming, Fond Jean Pâques 1 Louvain-La-Nueve, Walloon Brabant 1348 Belgium Facility: Avient Corporation - Maipu, Chile Camino a Melipilla 15.170 Maipu, Región Metropolitana de Santiago 9250000 Chile Activity: Design and Manufacture of Colour and Additive Concentrates, Activity: Design and Manufacture of Colorants and Additives Concentrates Facility: Avient Corporation - Lahore, Pakistan Plot no. 135, Kitaar, Bund Road Off Multan Road, Thokar Niaz Baig. Water Street North Baltimore, OH 45872 Activity: Manufacture of Colour and Additive Concentrates, Thermoplastic Resins and Specialty Compounds Activity: Design and Manufacture of Custom PVC Plastisol and PVC Slush Mold Powder Facility: Avient Corporation - Malmö, Sweden Järnyxegatan 7 P.O.

This is to certify that the Environmental Management System of: Avient Corporation HQ 33587 Walker Road The Environmental Management System is applicable to: Certificate No: 65537 Effective Date: 29 September 2023 Expiration Date: 27 September 2026 Revision Date: 22 November 2023 Dominic Townsend, President CORPORATE SUPPORT ACTIVITIES, DESIGN, MANUFACTURE AND DISTRIBUTION OF COLOUR AND ADDITIVE CONCENTRATES, THERMOPLASTIC RESINS AND PELLETS, SPECIALTY COMPOUNDS AND COLORANTS. Garibaldi 2405 Lomas de Zamora, Buenos Aires 1832 Argentina Activity: Manufacture of Colour and Additive Concentrates, Thermoplastic Resins and Specialty Compounds Activity: Design and Manufacture of Colorants and Additives Concentrates Facility: Avient Colorants SA Parc Scientifique Fleming, Fond Jean Pâques 1 Louvain-La-Nueve, Walloon Brabant 1348 Belgium Facility: Avient Corporation - Maipu, Chile Camino a Melipilla 15.170 Maipu, Región Metropolitana de Santiago 9250000 Chile Activity: Design and Manufacture of Colour and Additive Concentrates, Activity: Design and Manufacture of Colorants and Additives Concentrates Facility: Avient Corporation - Lahore, Pakistan Plot no. 135, Kitaar, Bund Road Off Multan Road, Thokar Niaz Baig. Ezcabarte calle H Nº3 Oricain, Navarra 31194 Facility: Avient Corporation - Phan Thong 700/848 Moo 1,Tambol Phan Thong Amata City Chonburi Industrial Estate Phan Thong, Chonburi 20160 Thailand Activity: Manufacture of Masterbatches, Additives, ECCOH, and Compounds for Pigmenting Thermoplastic Activity: Design and Manufacture of Colorants and Additives for Plastics Facility: Avient Corporation - Pogliano, Italy Via Lainate 26 20005, Pogliano Milanese, Milano Facility: Avient Corporation - Randburg, South Africa 329 Tungsten Rd, Strydompark Randburg, Gauteng 2194 South Africa Activity: Manufacture of Colour and Additive Concentrates, Thermoplastic Resins and Specialty Compounds Activity: Manufacture of Masterbatches Facility: NEU Specialty Engineered Materials, LLC 15 Corporate Drive North Haven, CT 06473 Facility: Avient Corporation - Norwalk, OH 80 North West Street Norwalk, OH 44857 Activity: Compound, Supply, and Prototyping Services of Thermoplastics Activity: Design and Manufacture of Colorants and Additives for Plastics Page 8 of 10 Facility: Avient Corporation - Sant Andreu, Spain Crta.

This is to certify that the Environmental Management System of: Avient Corporation HQ 33587 Walker Road The Environmental Management System is applicable to: Certificate No: 65537 Certification Date: 29 September 2023 Effective Date: 22 March 2024 Expiration Date: 27 September 2026 Revision Date: 22 March 2024 Dominic Townsend, President CORPORATE SUPPORT ACTIVITIES, DESIGN, MANUFACTURE AND DISTRIBUTION OF COLOUR AND ADDITIVE CONCENTRATES, THERMOPLASTIC RESINS AND PELLETS, SPECIALTY COMPOUNDS AND COLORANTS. Garibaldi 2405 Lomas de Zamora, Buenos Aires 1832 Argentina Activity: Manufacture of Colour and Additive Concentrates, Thermoplastic Resins and Specialty Compounds Activity: Design and Manufacture of Colorants and Additives Concentrates Facility: Avient Colorants SA Parc Scientifique Fleming, Fond Jean Pâques 1 Louvain-La-Nueve, Walloon Brabant 1348 Belgium Facility: Avient Corporation - Maipu, Chile Camino a Melipilla 15.170 Maipu, Región Metropolitana de Santiago 9250000 Chile Activity: Design and Manufacture of Colour and Additive Concentrates, Activity: Design and Manufacture of Colorants and Additives Concentrates Facility: Avient Corporation - Lahore, Pakistan Plot no. 135, Kitaar, Bund Road Off Multan Road, Thokar Niaz Baig. Ezcabarte calle H Nº3 Oricain, Navarra 31194 Facility: Avient Corporation - Phan Thong 700/848 Moo 1,Tambol Phan Thong Amata City Chonburi Industrial Estate Phan Thong, Chonburi 20160 Thailand Activity: Manufacture of Masterbatches, Additives, ECCOH, and Compounds for Pigmenting Thermoplastic Facility: Avient Corporation - Pogliano, Italy Via Lainate 26 20005, Pogliano Milanese, Milano Facility: Avient Corporation - Randburg, South Africa 329 Tungsten Rd, Strydompark Randburg, Gauteng 2194 South Africa Activity: Manufacture of Colour and Additive Concentrates, Thermoplastic Resins and Specialty Compounds Activity: Manufacture of Masterbatches Facility: NEU Specialty Engineered Materials, LLC 15 Corporate Drive North Haven, CT 06473 Facility: Avient Corporation - Norwalk, OH 80 North West Street Norwalk, OH 44857 Activity: Compound, Supply, and Prototyping Services of Thermoplastics Activity: Design and Manufacture of Colorants and Additives for Plastics Page 8 of 10 Facility: Avient Corporation - Sant Andreu, Spain Crta.

SAFETY EQUIPMENT MANUFACTURER R E S P I R A T O R A C C E S S O R Y P A R T S • Black color concentrate suitable for use in butyrate (PSU) • Low let down ratio (LDR) • Quick turnaround time • Offered compatibility with desired resin system in required color (Deep Black – OC9UFA) • Provided low usage rate of 1% LDR • Afforded immediate availability of sample for testing and ordering Omnicolor™ Multipurpose Colorants KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION RESIN COMPATIBILITY + SPEED LEARN MORE © 2022, Avient Corporation, All Rights Reserved https://www.avient.com/products/polymer-colorants/solid-color-masterbatches/omnicolor-multipurpose-masterbatches

DENTAL TOOL OEM 3 D D E N T A L S C A N N E R • Achieve accurate color match to non-polysulfone (PSU) components • Must be compatible with hospital disinfectants and survive repeated steam sterilization • Developed precise color match to other resins used in adjacent parts, maintaining accurate brand identification • Provided expertise in pigments and critical color manufacturing for high performance resins • Customized a high-performance solution able to withstand steam sterilization in an autoclave Transcend™ Precolored Gray and Precolored White PSU KEY REQUIREMENTS WHY AVIENT?

DENTAL PRODUCTS MANUFACTURER T O O T H B R U S H E S • Achieve lower let-down ratios (LDRs) • Maintain sufficient antimicrobial functionality • Preserve clarity or retain opacity, depending on resin • Shorten lead times to minimize inventory and production bottlenecks • Provided full antimicrobial functionality at lower LDRs for 30% annual cost savings • Designed universal carrier that enabled additive use across a variety of resins • Reduced lead time over previous supplier by one week, enabling customer to better manage inventory levels and increase production efficiencies WithStand™ Antimicrobial Additives KEY REQUIREMENTS WHY AVIENT?

The Bergamid family of products are available in a PA 6, PA 66, and PA 6/66 base resin in unfilled or reinforced systems. 

where she held roles of increasing responsibility, including corporate vice president and general manager for the Ion Exchange Resins business.

This process allows the coating resin to penetrate the fiber bundle before the yarns are braided, allowing for improved impregnation and a higher level of pickup, ultimately extending the life of the braid and reducing required maintenance.

It is the same polymer resin utilized in the plastic bottle industry.