Our Code of Conduct 2023 Table of Contents A Message from the CEO 1 Our Vision and Strategy 2 Core and Personal Values 2 Our Code of Conduct Guidelines for Ethical Behavior 4 Personal Values 4 Resolving Questions and Reporting Non-Compliance Situations 6 Ethics Hotline 6 Non Retaliation 6 Code of Conduct Application 7 Violations of the Code 7 Respect for All Diversity and Inclusion 9 Discrimination or Harassment 9 Workplace Relationships 9 Substance Abuse 10 Physical Security and Workplace Violence 10 Honesty at Work Accurate Information, Data and Records 12 Accounting Integrity 12 Company Communications 14 Safeguarding and Use of Assets 14 Proprietary and Confidential Information, Ideas and Intellectual Property 14 Privacy, Personal Information and Data Protection 15 Internet and E-mail Use 15 Social Media and Social Networking 15 Computer Security, Software Licensing and Copyrights 16 Insider Information and Trading 16 Political Contributions/Activities and Charitable Contributions 17 Government Investigations and Inquiries 17 Integrity in Our Business Fair Dealing 19 Bribery and Kickbacks 19 Agents and Consultants 20 Competition 20 Gifts and Hospitality 20 Conflicts of Interest 21 Self-Dealing 22 International Trade 22 Corporate Social Responsibility Sustainability 24 Safety, Health and Environment 24 Product and Service Safety 25 Respecting Human Rights 25 A Shared Commitment 25 Resources and Contact Information 26 1 HOME | TOC A Message from the CEO Dear Avient Associates, As part of a growing, global company, we are faced with challenging situations and complex decision making. Q & A Q: One of our customers has been loyal to us while we worked through a series of issues.

SHAMPOO BRAND P E T B O T T L E F O R H A I R C A R E • Customized color and anti-UV combination • Provided quick response and local service • Simplified processing without additional equipment investment • Increase innovation capabilities and brand aesthetics OnColor™ Frost PET Effect KEY REQUIREMENTS WHY AVIENT?

Surgical instrument oem SURGICAL INSTRUMENT OEM E N D O S C O P E C O M P O N E N T S • Functional differentiation • ISO 10993 compliance • Excellent resistance to steam sterilization • Excellent chemical resistance • Delivered a variety of bright, distinguishing color choices for functional differentiation • Minimized color deviation • Provided a biocompatible solution • Offered low MOQ with flexible supply Transcend Premier PPSU Healthcare Pre- colored Solutions KEY REQUIREMENTS WHY AVIENT?

POWER & LIGHTING MANUFACTURER/MOLDER S M A L L C A B L E R E E L • Meet color requirement of medium-tone gray for polypropylene (PP) cable reel application • Low cost color development • Short lead time to fit production schedule • Offered readily available standard color (Mid Grey – OC7UFF) to meet customer request • Provided low usage rate of 1% LDR to keep costs down • Shipped colorant sample within one day of inquiry • Allowed sample parts to be molded within three days to accommodate schedule Omnicolor™ Multipurpose Colorants KEY REQUIREMENTS WHY AVIENT?

OFF-ROAD VEHICLE MANUFACTURER U N I F I E D S E A T I N G S H E L L • Consolidate parts to reduce manufacturing costs • Maintain performance while replacing metal seating frame with lightweight composite material • High durability to withstand harsh usage environments • Delivered long glass fiber reinforced thermoplastic solution providing metal-like performance with excellent toughness • Lowered component costs with single-piece injection molded seat shell • Utilized global capabilities to meet manufacturing supply chain needs Complēt™ Long Glass Fiber PA66 Composite KEY REQUIREMENTS WHY AVIENT?

WHEELCHAIR OEM C A S T E R W H E E L • Composite to replace a traditional aluminum caster • Lightweight, strong material that can withstand the rigor of daily use • Corrosion-resistant solution to reduce cost and frequency of maintenance • Formulated two materials that chemically bond seamlessly to minimize slip • Reduced weight by 33% (280g), supporting improved user maneuverability • Offered an injection-moldable alternative to metal that led to a more functional design and reduced vibration Complēt™ Long Carbon Fiber Nylon 6/6 and TPU Formulations KEY REQUIREMENTS WHY AVIENT?

FOOD PROCESSING BELT MANUFACTURER C O N V E Y O R B E L T • Electrical resistivity of E+8 Ω • FDA and EU 10/2011 food compliant • Designed to meet ATEX standard • Light color (white) • Provided a permanent statically dissipative solution • Met stringent compliance requirements • Reduced manufacturing steps from two-step process to single-step process Stat-Tech™ Thermoplastic Elastomer KEY REQUIREMENTS WHY AVIENT?

REFORM DESIGN LAB B I O - B A S E D D E S I G N F U R N I T U R E • Matt black color in cellulose fiber filled PLA • 3D-printable material • Possible outdoor use • Fast development to adapt to online requests • Developed custom products that fulfill color, appearance, UV stabilization and material requirements • Provided fast support to answer evolving online demands • Offered small and flexible quantities and suggestions for further colors OnColor™ custom masterbatch and engineered material KEY REQUIREMENTS WHY AVIENT?

PowerPoint Presentation PROSTHETICS AND ORTHOTICS BRAND K N E E R A I L & B R A C E • Replace metal to reduce weight • Update design to achieve slimmer design • Offer excellent strength and modulus properties • Improve durability with better fatigue resistance than incumbent aluminum • Increased design freedom and lightweighting for metal replacement applications while meeting structural needs • Delivered excellent fatigue endurance and moisture resistance for enhanced durability • Achieved cost reduction per part by switching to an injection molding process Complēt Long Carbon Fiber Reinforced Structural Thermoplastics WHY AVIENT?

AVIATION COMPONENTS MANUFACTURER S E A T B E L T C O V E R • Paint-free, metallic look • Reduced Volatile Organic Compounds (VOCs) • Lightweight • Excellent mechanical performance • Non-conductive solution • Provided a non-conductive solution with reduced VOCs and coexisting color and metallic effects • Supplied a technology compatible with PPSU, PES, and PSU • Lowered density compared to virgin resin • Reduced the need for secondary processing and associated VOCs • Supplied low minimum order quantity of gold, silver and bronze colors Colorant Chromatics Metallic Effect Pre- colored Sulfone Colorants KEY REQUIREMENTS WHY AVIENT?