In particular, innovative solutions are needed to address weathering issues. © 2020, All Rights Reserved Avient Corporation, 33587 Walker Road, Avon Lake, Ohio USA 44012

SOLVING PRODUCTION BOTTLENECKS WITH A CUSTOMIZED ADDITIVE FORMULATION © 2020, All Rights Reserved Avient Corporation, 33587 Walker Road, Avon Lake, Ohio USA 44012 To learn more about WithStand Antimicrobials, contact Avient at +1.844.4AVIENT (1.844.428.4368) THE CHALLENGE A well-known manufacturer of private label toothbrushes and dental care products for national drug store chains was experiencing several production problems in its molding operations. THE SOLUTION Seeking a way to address these challenges, the manufacturer consulted Avient.

THE SOLUTION The Avient technical team leveraged expertise in liquid formulations with the science of dispersion to develop Excelite™ IM, a CFA solution that targeted automotive injection molding applications and would help address the issues of this tier-1 molder. Excelite IM Chemical Foaming Additives: • The only patented liquid CFA in North America and Europe • Supported with customized dosing equipment and technical assistance • Typically contains 70% active CFA content, dispersed in proprietary liquid vehicles LIQUID CFAs PROVIDE A TOP TIER-1 MOLDER WITH A CONSISTENT SOLUTION © 2020, All Rights Reserved Avient Corporation, 33587 Walker Road, Avon Lake, Ohio USA 44012 Interested in learning about how Avient can help your business?

APPLICATIONS Cesa stain-resistant solutions are suitable for polyester fibers used in automotive textiles, home and office furnishings, and carpets and rugs. KEY BENEFITS Avient’s stain-resistant concentrates provide the following benefits: • Efficient, long-lasting stain release properties with no impact on yarn spinnability • Innovative non-fluorine formulation • Suitable for POY (DTY; ATY) and BCF with processing temperatures up to 300°C • Can be combined with color into a single product for convenience • Compatible with bath-dyeing and piece-dyeing • Developed for spin-dyeing—a waterless one-in- one process to dye and enhance the performance of synthetic fibers • Product guidance and technical assistance from our experts 1.844.4AVIENT www.avient.com Copyright © 2025, Avient Corporation.

Certificate Avient Corporation Certificate Of ConformanceCertificate Of Conformance This is to certify that the Environmental Management System of: Avient CorporationAvient Corporation Avon Lake CorporateAvon Lake Corporate 33587 Walker Road Avon Lake OH 44012 United States (WITH ADDITIONAL FACILITIES LISTED ON ATTACHED ANNEX) has been assessed by ABS Quality Evaluations, Inc. and found to be in conformance with the requirements set forth by: ISO 14001:2015ISO 14001:2015 The Environmental Management System is applicable to: Responsible Care Corporate Support Activities in Sr. Page 1 of 5 https://abs.zertic.com https://abs.zertic.com ISO 14001:2015ISO 14001:2015 Certificate Of ConformanceCertificate Of Conformance ANNEXANNEX Certificate No: 65537 Avient CorporationAvient Corporation At the below facilities FACILITY NAMEFACILITY NAME FACILITY ACTIVITYFACILITY ACTIVITY ADDRESSADDRESS Avient Corporation Avon Lake Corporate Responsible Care Corporate Support Activities in Sr. Leadership, EHS&S-PS, Facility Services, Design & Development, Information Technology, Sourcing, Logistics, Legal, and Human Resources 33587 Walker Road Avon Lake OH 44012 United States Avient Corporation HQ Responsible Care Corporate Support Activities in Sr.

BULLOCK, SECRETARY OF STATE OF THE STATE OF DELAWARE, DO HEREBY CERTIFY THE ATTACHED IS A TRUE AND CORRECT COPY OF THE CERTIFICATE OF AMENDMENT OF “CLARIANT PLASTICS & COATINGS USA LLC”, CHANGING ITS NAME FROM "CLARIANT PLASTICS & COATINGS USA LLC" TO "AVIENT COLORANTS USA LLC", FILED IN THIS OFFICE ON THE ELEVENTH DAY OF JANUARY, A.D. 2021, AT 10:39 O`CLOCK A.M.

Business Number: 898451794 Mailing Address: Address Line 1: 17 Tideman Drive City, Province/Territory, Postal Code: Orangeville Ontario L9W3K3 Country: Canada Facility Name: Orangeville Compound NAICS Code: 326198 NPRI ID: 4358 Physical Address: Address Line 1: 17 Tideman Drive City, Province/Territory, Postal Code: Orangeville Ontario L9W3K3 Country: Canada Latitude: 43.91230 Longitude: ­80.11300 Number or Permit Number: ON9820023 Government Department, Agency, or Program Name: Ontario MOE ­ Hazardous Waste Generator Number Number or Permit Number: 0778­6DZLMV Government Department, Agency, or Program Name: Certificate of Approval Air Number or Permit Number: 5626­5DFQF2 Government Department, Agency, or Program Name: Certificate of Approval Industrial Sewage Works Contact Type Technical Contact, Company Coordinator Name: Brian Greer about:/V003/Html http://www.canada.gc.ca/home.html http://www.servicecanada.gc.ca/eng/home.shtml http://www.canada.gc.ca/aboutgov-ausujetgouv/depts/menu-eng.html https://ec.ss.ec.gc.ca/auth/en/Services about:blank# about:blank# about:blank# about:/V003/Logout_Deconnexion http://ec.gc.ca/default.asp?

PolyOne Corporation, with 2014 revenues of $3.8 billion, is a premier provider of specialized polymer materials, services and solutions. Matt Defosse Marketing Communications Manager, Europe PolyOne Corporation +49 6407-907-0386 matt.defosse@avient.com Company Officers

About PolyOne PolyOne Corporation, with 2016 revenues of $3.3 billion, is a premier provider of specialized polymer materials, services and solutions. Marketing Communications Manager, Asia PolyOne Corporation +86 21 60284888 jennifer.huang@avient.com Company Officers

About PolyOne PolyOne Corporation, with 2015 revenues of $3.4 billion, is a premier provider of specialized polymer materials, services and solutions. Naomi Peck PolyOne Corporation Marketing Communications Manager +44 151 632 8800 naomi.peck@avient.com Company Officers