This literature shall NOT operate as permission, recommendation, or inducement to practice any patented invention without permission of the patent owner. 1.844.4AVIENT www.avient.com Sensorial comfort is an important aspect for textiles which are in direct contact with our skin. KEY BENEFITS • Highly dispersed additives with high efficacy at low to moderate dosages • Excellent compatibility with the application resin • Non-phenolic and non-phthalate additives • Formulated without animal-derived substances • Food contact compliance according to US FDA and EU norms • OEM approvals for hygiene products • Can be combined with colors into a single combination concentrate for convenience • Product guidance and technical assistance from our experts

Investor Relations Contact: Giuseppe (Joe) Di Salvo Vice President, Treasurer and Investor Relations Avient Corporation +1 440-930-1921 giuseppe.disalvo@avient.com Media Contact: Kyle G.

CERTIFICATE CONFIRMING INCORPORATION OF COMPANY AVIENT COLORANTS SINGAPORE PTE. name change effective from 17/05/2021) :Company Name 201916958NUEN : This is to confirm that the company was incorporated under the Companies Act, on and from 27/05/2019 and that the company is a PRIVATE COMPANY LIMITED BY SHARES. The company was formerly known as: S/N Company Name Effective From 1.

PolyOne IR Presentation - Gabelli & Company Specialty Chemical Conference - 3/22/2017 Avient Company Officers Investor Contacts

PolyOne IR Presentation - Gabelli & Company Specialty Chemical Conference - 3/22/2017 Avient Company Officers Investor Contacts

PolyOne IR Presentation - Gabelli & Company Specialty Chemical Conference - 3/22/2017 Avient Company Officers Investor Contacts

PolyOne IR Presentation - Gabelli & Company Specialty Chemical Conference - 3/22/2017 Avient Company Officers Investor Contacts

To learn more, please contact Avient at +1.844.4AVIENT (1.844.428.4368) or visit www.avient.com. © 2020, All Rights Reserved Avient Corporation, 33587 Walker Road, Avon Lake, Ohio USA 44012 LIGHTER WEIGHT, GREATER DURABILITY FOR LUXURY VEHICLES THE CHALLENGE DENSO, a leading supplier of advanced automotive technologies, systems and components for the world’s major automakers, approached Avient looking for material science expertise and development. Avient engineered a new customized formulation for the part, which provided both the processability required for extremely short cycle injection-compression molding, as well as including an additive to stabilize the material when in contact with copper. This additive protects the door from cracking as it comes into contact with copper particles over time.

MEVOPUR COLORANTS • Standard colors in PP and PE to shorten time-to-market • Custom colors matched to Pantone, RAL or other color reference • White colorants for pharmaceutical packaging for LDPE, HDPE and PP with opacity to reach USP chapter MEVOPUR FUNCTIONAL ADDITIVES • Antistatic formulation with good flow/impact for injection molding • Amide- and amine-free antistatic for film in contact with API (Active Pharmaceutical Ingredients) • UV blocking for transparent PP and PE packaging to meet USP chapter • Non-migrating friction reduction/processing aid for PE and PP • Laser marking/welding additive for fast, reliable marking/assembly • MVTR (Moisture Vapor Transmission Rate) reduction for HDPE to improve shelf-life • Thermal protection of the polymer during processing • Gamma/e-beam sterilization protection for PP (up to 50kGy) with color compensation for reduced yellowing REGULATORY SUPPORT • Raw materials tested to: - ISO 10993-1 and USP biological evaluation - European Pharmacopeia 3.1.3/3.1.5 (polyolefin) - USP (polyethylene) - ICH Q3D elemental impurities • Registered Drug Master File (Type III) and/or Device Master File • Food contact established with FDA/EU* APPLICATION BULLETIN * FDA/EU compliance information available upon request Bormed™ is a registered trademark of Borealis Healthcare use limitations apply—see below. For more detailed information on Mevopur uses and restrictions see www.avient.com/healthcare-use-limitations-mevopur-products or contact your Avient sales representative. 1.844.4AVIENT www.avient.com

CERTIFICATE OF INCORPORATION ON CHANGE OF NAME Company Number 3141094 The Registrar of Companies for England and Wales hereby certifies that under the Companies Act 2006: POLYONE CORPORATION UK LIMITED a company incorporated as private limited by shares, havingits registered office situated in England and Wales, has changed its name to: AVIENT MATERIAL SOLUTIONS UK LIMITED Given at Companies House on9th November 2021. The above information was communicated by electronic meansand authenticated by the Registrar of Companies under section 1115 of the Companies Act 2006