Safety & Health Indemnity. Buyer acknowledges that Seller has furnished to Buyer Material Safety Data sheets, which include warnings together with safety and health information concerning the Product and/or the containers for such Product. การรบัรองความปลอดภยั และสุขอนามยั ผูซื้7 อรบัทราบวา่ ผูข้ายไดส่้งมอบเอกสารขอ้มูลความปลอดภยั (Material Safety Data sheets) ใหแ้ก่ผูซื้7 อแลว้ ซึ(งรวมถึงขอ้ควรระวงัต่างๆ พรอ้มดว้ยขอ้มูลความปลอดภยัและสุขอนามยัเกี(ยวกบัสินคา้ และ/หรือบรรจุภณัฑข์องสินคา้ดงักล่าว ผูซ้ื7 อจะเผยแพรข่อ้มลูดงักลา่วเพื(อแจง้ ขอ้ควรระวงัเกี(ยวกบัอนัตรายต่างๆ ที(อาจเกดิขึ7 นแกบุ่คคลที( ผูซื้7 อพึงคาดหมายไดต้ามสมควรวา่อาจไดร้บัอนัตรายดงักล่าว รวมถงึ แต่ไม่จาํกดัเพียง ลกูจา้ง ตวัแทน ผูร้บัจา้ง และลูกคา้ของผูซื้7 อ ผูซ้ื7 อจะชดใชค้วามเสียหาย แกต้่าง และคุม้ครองผูข้ายใหป้ลอดพน้จากความรบัผิดทั7งปวงอนัเกิดจาก หรือเกี(ยวเนื(องกบัการที(ผูซื้7 อมิไดเ้ผยแพร่ขอ้มลูดงักล่าว รวมถึง แต่ไม่จาํกดัเพียง ความรบัผิดต่อการบาดเจ็บ การเจ็บป่วย การเสียชีวติ และความเสียหายต่อทรพัยสิ์น และค่าใชจ่้ายในการตรวจสอบ การฟ้องรอ้งดาํเนินคดี และค่าทนายความตามสมควร 11.

We can help you: • Increase production throughput • � Reduce waste and scrap materials • � Reduce inventory • � Match your exact specification • � Fast-track to steady-state-production • � �Gain productivity • � �Become more competitive • Enhance durability without compromising safety • Support sustainability goals COLORANT CHROMATICS™ With over 40 years of leadership in the industry, we specialize in developing all types of fluoropolymers, including fully and partially fluorinated grades as well as high-temperature polymers. To withstand the high temperatures of the sintering step in the PTFE process, Colorant Chromatics selects the appropriate heat-stable pigments. • 10 standard colors • All colors are heavy metal-free • Special color matches can be done upon request using Pantone® or RAL color standards • Customized pigment loadings can be provided to address specialized coloration needs • Functional additives can be provided to address tailored properties Let-down ratios and specific processing suggestions are provided in the product data sheet available from your Avient representative. OUR CUSTOMER SUPPORT ACTIVITIES INCLUDE: • Food and Drug Administration (FDA) compliance support • Compliance with National Inventories • Biocompatibility compliance • REACH – European Legislation on Registration, Evaluation, Authorization and Restriction of Chemicals • Restriction on Hazardous Substances (RoHS) and Waste Electrical and Electronic Equipment (WEEE) electronics compliance • Data entry into the International Material Database System (IMDS) • Hazardous communication, including safety data sheets (SDS) and labeling GENERATING REGULATORY COMPLIANCE DOCUMENTATION INCLUDING: • California Proposition 65 • European Food Contact • Individual Customer Restricted Substance lists • Drug Master Files • Medical Application Files • Food and Drug Administration Certification • Potable Water Certification Contact us if you have questions or for specific information on your application’s regulatory compliance requirements.

Mevopur™ Healthcare Functional Additives Mevopur™ Healthcare Bio-based Polymer Solutions Mevopur™ Healthcare Colorants and Formulations

Mevopur™ Healthcare Functional Additives Mevopur™ Healthcare Colorants and Formulations Mevopur™ Healthcare Bio-based Polymer Solutions

In all of its activities, Avient puts high emphasis on environmental protection and safety. In 2019, Avient directed $7.87 MM towards environmental, health and safety capital improvements. In 2020, we further evaluated our applications and revenue from our sustainable solutions, since the publishing of our last report and the acquisition of Clariant Masterbatch.

 Strong past performance demonstrates that our strategy and execution are working  Megatrends and emerging opportunities align with our strengths  Innovation and services provide differentiation, incremental pricing power, and competitive advantage  Strong and proven management team driving growth and performance  Addressable market exceeds $40 billion 1 Schedule I Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except per share data) Below is a reconciliation of non-GAAP financial measures to the most directly comparable measures calculated and presented in accordance with U.S. ��PolyOne Investor Presentation�Bank of America Merrill Lynch �2014 US Basic Materials Conference�Boston, MA�December 11, 2014�� Forward-Looking Statements Use of Non-GAAP Measures PolyOne Commodity to Specialty Transformation PolyOne�At A Glance Mix Shift Highlights Specialty Transformation Confirmation of Our Strategy Strategy and Execution Drive Results Proof of Performance & 2015 Goals 32% Adjusted EPS CAGR from 2011 Innovation Drives Earnings Growth A Rich Pipeline of Opportunity Megatrends Aligned with Key End Markets Debt Maturities & Pension Funding – 9/30/14 Free Cash Flow and Strong Balance Sheet �Fund Investment / Shareholder Return PolyOne Core Values Why Invest In PolyOne? Appendix Q3 2014 Financial Highlights At a Glance�Global Color, Additives and Inks At a Glance�Global Specialty Engineered Materials At a Glance�Designed Structures and Solutions At a Glance�Performance Products and Solutions At a Glance�Distribution Plastics: Key to Future Sustainable Development Commitment to Operational Excellence Application Examples Slide Number 28 Anti-Counterfeiting Solutions 2012 Range Rover Evoque Interior Slide Number 31 Metal Replacement Solutions Next Generation Solar Charger High-Barrier Packaging Containers Aerospace Applications Non GAAP Rec - 11 5 14.pdf Sidoti & Company non-GAAP Rec

GUIDANCE (TOTAL COMPANY) 12 15.4% 15.9% Guidance Actual Adjusted EBITDA Margin % Better-than-expected margins driven by: • Favorable mix - strong demand for composite applications • Raw material deflation Q2 EBITDA BRIDGE (TOTAL COMPANY) 13 ($ millions) CAI: Price / Mix 7) Deflation 11) SEM: Price / Mix 2) Deflation 6) Net Price Benefit 26) Wage and Energy Inflation (10) Cost Reductions 13) FX (2) Q2 2023 Actual $131) Adjusted EBITDA Q2 2022 Pro Forma $ 172) Demand (68) • Demand conditions vs. expectations: US & Canada LATAM EMEA Asia • Net price benefit remains greater than wage and energy inflation • Clariant synergies and reduced administrative costs Q2 2023 SEQUENTIAL SALES BY REGION Q 2 2 0 2 3 v s . Global Compact • Highlights ESG Performance, including ratings, awards, and certifications • Features increased carbon emissions disclosures, including Climate Change Scenario Analysis and Scope 3 emissions data • Outlines Sustainable Supplier Program, designed to enable supplier evaluation & collaboration • Reflects Great Place To Work® culture focused on safety, employee engagement and advancing diversity, equity and inclusion 2022 SUSTAINABILITY REPORT 19 Avient Confidential 20 • Virtual presentation to be held September 20, 2023 • Leadership will be conducting an investor-focused presentation around our sustainable solutions portfolio • Deep dive into how we enable customers to achieve their sustainability goals SUSTAINABILITY DAY 20 …are Growing at Twice the Rate as Conventional Products Sustainably-Branded Products… STAKEHOLDER INFLUENCE DRIVES DEMAND Consumers Are demanding recyclability and eco- conscious products Governments Are mandating changes through legislation, taxes, and regional accords Brand Owners Have committed to ambitious goals to achieve sustainability metrics 21 AP P EN D IX 24 Performance Additives 16% Pigments 12% TiO2 10% Dyestuffs 2% Polyethylene 11% Nylon 6% Polypropylene 5% Styrenic Block Copolymer 5% Other Raw Materials 33% ~40% hydrocarbon based (Grey shaded materials are hydrocarbon based, includes portion of “Other Raw Materials”) Non-hydrocarbon based materials 2022 pro forma results for the acquisition of Avient Protective Materials RAW MATERIAL BASKET PEER COMPARISONS AVIENT IS ASSET LIGHT Capex / Revenue 2023E (%) Avient Specialty Formulators Other Specialty / Chemical Companies Source: Peer data per Bloomberg as of August 17, 2023 Note: Avient reflects 2023 estimated revenue of $3,280 and estimated run-rate CAPEX of $110M. 26 3 2 3 3 4 4 3 4 5 5 7 7 9 10 A vi en t K W R P P G F U L A V Y R P M F M C H U N C E E C L A S H H X L E M N S C L FREE CASH FLOW CONVERSION Source: Peer data per Bloomberg as of August 17, 2023 Note: Free cash flow conversion calculated as (Adjusted EBITDA – Capex) / Adjusted EBITDA. Avient reflects 2023 adjusted EBITDA guidance of $525M and estimated run-rate CAPEX of $110M. 2023E (%) 27 79 89 83 83 78 75 90 81 76 72 68 63 53 11 A vi en t K W R F U L P P G A V Y R P M F M C C E E C L A S H H X L H U N E M N S C L Avient Specialty Formulators Other Specialty / Chemical Companies MULTIPLE EXPANSION Source: Peer data per Bloomberg as of August 17, 2023 Note: Avient reflects 2023 adjusted EBITDA guidance of $525M and closing share price of $37.07.

MINE SAFETY DISCLOSURES Not applicable. Environmental, Health and Safety 4. MINE SAFETY DISCLOSURES PART II ITEM 5.

Mevopur colorants can be used for various needs, such as brand recognition and differentiation, drug identification, and visual appeal. Likewise, Mevopur functional additives can help to protect or enhance the performance of polymers used in medical devices, diagnostics, or pharmaceutical packaging. The Mevopur product line also includes color and additive concentrates based on polymers with 70%-100% bio-content and pre-tested raw materials which can help to reduce carbon footprint and offer alternatives to fossil-based grades.

MEVOPUR Special Effect Colors Application Bulletin_CN MEVOPUR 特殊效果™ 应用公告 用于医疗器械和药品包装的效果着色剂 多年来，通过笔式设备和吸入器等器械自行给药 已成为常态。 MEVOPUR中使用的成分已经过测试，符合支持 医疗器械和药品包装应用的行业标准。