end life” New designs for energy and carbon efficiency New applications for used and recycled plastics Page 31 Therma-Tech™ LED Lighting • Replaces metal in LED lighting • Extends LED durability and life span eliminating hot spots • Greater design flexibility with • Greater design flexibility with fewer parts • Weight reduction • Simplifies manufacturing and lowers total production cost Page 32 Decreasing Decreasing Dependence on Dependence on Fossil FuelsFossil Fuels Globalizing and Globalizing and LocalizingLocalizing Protecting the Protecting the EnvironmentEnvironment Protecting the Protecting the EnvironmentEnvironment Improving Improving Health and Health and WellnessWellness Improving Improving Health and Health and WellnessWellness Alignment with Megatrends • Aging population • Longer life expectancy • Healthy living • Aging in place • Aging population • Longer life expectancy • Healthy living • Aging in place • Environmental consciousness • Alternative energy • Resource efficiency • Biotechnology • Environmental consciousness • Alternative energy • Resource efficiency • Biotechnology • Global leader/local expert with customized solutions • Global OEMs seeking one standard of service everywhere • Global leader/local expert with customized solutions • Global OEMs seeking one standard of service everywhere • Efficiency focus • Reduced size/weight • Mass transit • Alternative materials • Electric vehicles • Efficiency focus • Reduced size/weight • Mass transit • Alternative materials • Electric vehicles Page 33 48.7% $40.5 26.3% Research & Development Spending Specialty Platform Vitality Index Progression* Innovation Drives Earnings Growth Specialty Platform Gross Margin % * Percentage of Specialty platform revenue from products introduced in last five years 19.5% $20.3 14.3% ($ millions) Page 34 StrategyStrategy PolyOne Innovation Framework Unmet Needs Identification Idea Generation and Shaping Offering Offering Offering Offering Phased Offering Launch Offering Offering LaunchLaunch Offering Offering DevelopmentDevelopment Market Penetration and Value Maximization Intellectual Property ● Resources ● CultureIntellectual Property ● Resources ● Culture Page 35 • Accelerate growth in targeted industries and expand geographic presence through market-driven innovations • Leverage new talent, tools, and training to drive customer satisfaction and margin expansion Critical Imperatives satisfaction and margin expansion • Translate best practices to / from ColorMatrix • Drive specialization using a value-based mindset Page 36 Page 37

OnColorUL94Colorants-ProductOverview_CN_Update 1 用于电动汽车（EV）高压连接器的 橙色尼龙着色剂 世界各国政府都在大力推广可持续能源，乘着 这股东风，电动汽车（EV）行业的发展势头正 盛。

Pro Forma Financial Information The Company acquired Avient Protective Materials (“Dyneema”) on September 1, 2022 (the “Acquisition Date”) and sold the Distribution segment on November 1, 2022. To provide comparable results, the company references “pro forma” financial metrics, which include the business results of Avient Protective Materials for periods prior to the Acquisition Date, as if the transaction occurred on January 1, 2021 and reflect Distribution as a discontinued operation. Avient 2011, 2018 and 2021 multiples reflect trailing 12 months EBITDA at December 31. 28 EV / 2023E EBITDA 6.5 8.5 11.0 10.8 16.1 15.5 14.1 14.0 10.3 21.0 19.0 14.3 12.1 11.8 11.7 11.5 9.7 11 21 23 PM AV FM Avient Historic Multiple Avient Specialty Other Specialty / AP P E N DI X 30 Performance Additives 16% Pigments 12% TiO2 Dyestuffs 2% Polyethylene Nylon Polypropylene Styrenic Block Copolymer 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 SEGMENT DATA U.S. & Canada 40% 37% 18% 2022 PRO FORMA SEGMENT, END MARKET AND GEOGRAPHY GEOGRAPHY REVENUESEGMENT FINANCIALS Building and END MARKET REVENUE $2,355M $402M $1,300M $272M Sales EBITDA Specialty Engineered Materials Color Additives and Inks $592M$3,653M (1) 9% 32 (1) Total company sales and adjusted EBITDA of $3,653M and $592M, respectively, include intercompany sales eliminations and corporate costs 2022 REVENUE | $2 .4 BILLION US & Canada 34% 38% END MARKET REGION 33 34% 21% Building & 1% Energy 2% COLOR, ADDITIVES & INKS 2022 PRO FORMA REVENUE | $1 .3 BILLION US & Canada 52% 35% 34 19% 8%Industrial 16% 9% Defense Building & END MARKET REGION SPECIALTY ENGINEERED MATERIALS 32% 27% 14% Building & 3% 1% Defense 1% (18% of sales) 9% 2022 PROFORMA AVIENT REGIONAL SALES 27% 14% 17% Building & (37% of sales)Transportation 12% Building & US & Canada (40% of sales) 7% 56% 23% 7% Building & 1% LATAM (5% of sales) 3% 35 BY END MARKET Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except for per share data) Senior management uses comparisons of adjusted net income from continuing operations attributable to Avient shareholders and diluted adjusted earnings per share (EPS) from continuing operations attributable to Avient shareholders, excluding special items, to assess performance and facilitate comparability of results.

MEVOPUR LQ for Silicone Elastomers_CN5.17-1 MEVOPUR™ LQ 应用于硅橡胶的液体着色剂和添加剂母粒 应用公告 硅橡胶由于其独特的物理特性组合，例如强度、 耐受度及灵活性等，同时作为一种通过最多生物 相容性及低致敏性测试的聚合物之一，成为了多 种医疗应用的首选材料。可根据要求提供多种定制化 颜色解决方案 根据ISO 13485/GMP质量体系生产，并拥有变 更控制管理 原材料红外光谱分析和常规批次检测 根据ISO 10993第18部分对正己烷、异丙醇及 水中的可萃取性进行评估 法规支持 原材料根据ISO 10993-1和USP第、 章（VI类）对原材料进行生物评估的预测试 向FDA提交所有标准颜色的DMF/MAF文件 应用 医疗器械，如导管和连接器、注射器针头及无 针连接器 与皮肤接触设备，如可穿戴设备或医疗器械的 柔软触感表面 MEVOPUR LQ 配方可用于要求严苛的应用，包 括：MEVOPUR™-LQ 不透明红（PMS198C） 产品编号：FZ3M415008 MEVOPUR™-LQ 透明红 产品编号：FZ3M415009 MEVOPUR™-LQ 不透明蓝（PMS292C） 产品编号：FZ5M415008 MEVOPUR™-LQ 透明蓝 产品编号：FZ5M415009 MEVOPUR™-LQ 不透明黄（PMS1205C） 产品编号：FZ1M415005 MEVOPUR™-LQ 透明黄 产品编号：FZ1M415006 MEVOPUR™-LQ 不透明绿（PMS346C） 产品编号：FZ6M415008 MEVOPUR™-LQ 透明绿 产品编号：FZ6M415009 MEVOPUR™-LQ 不透明紫（PMS2655C） 产品编号：FZ4M415003 MEVOPUR™-LQ 透明紫 产品编号：FZ4M415004 定制化选择 也可以根据您的需求 定制颜色， 请联系我们。在不限制本声明的一般性的情况下，不得将埃万特的产品用于旨在用于以下目的的任何医疗器械应用：(1) 接触人体组织或体液长达30天或更长时间； (2)“整形”（整容或重建）手术； (3) 生殖植入物或任何节育器械；或者 (4) 用于支持或维持人类生命的永久性（超过30天）植入式医疗器械中的任何关键组件。

February 1, 2023 At PlastIndia 2018, Avient exhibited under its former name, PolyOne. Avient will exhibit at Hall 5/First Floor/Booth A5 at PlastIndia 2023 in Pragati Maidan, New Delhi, from February 1 to 5.

Avient acquired the Clariant Masterbatch business (CMB) on July 1, 2020 (the “Acquisition Date”). Scope included legacy PolyOne operations. Reduce Scope 1 & 2 greenhouse gas emissions by 35%.

Avient acquired the Clariant Color business on July 1, 2020 (the “Acquisition Date”). Reduce Scope 1 & 2 greenhouse gas emissions by 60% by 2030, and operations carbon neutral by 2050. Avient is High Touch Avient Corporation 130 86 93 85 82 79 77 74 89 85 82 81 79 78 77 74 72 25 2021E (%) 1.

1. 示例 ：你在申请 PolyOne 加拿大有限 公 司的某个职位 。美国 （Avient 公 司 ）的负责部门以及 – 作为一种标 准 – 加拿大 （PolyOne 加拿大有限 公 司 ）的人力资源部门的成员参与处理您的申请 。