PolyOne Corporation Page 4 PolyOne Commodity to Specialty Transformation • Volume driven, commodity producer • Heavily tied to cyclical end markets • Performance largely dependent on non- controlling joint ventures 2000-2005 2006 - 2009 2010 – 2014 2015 and beyond • Steve Newlin appointed, Chairman, President and CEO • New leadership team appointed • Implementation of four pillar strategy • Focus on value based selling, investment in commercial resources and innovation to drive transformation • Substantial EPS growth from $0.13 to all-time high of $1.80 • Shift to faster growing, high margin, less cyclical end markets • Key acquisitions propel current and future growth, as well as margin expansion • Specialty mix expands to 65% of Operating Income – strongest mix of earnings in history • Accelerating growth • Deliver consistent double digit annual EPS growth • Maintain >35% vitality index • Pursue strategic acquisitions that expand specialty offerings and geographic breadth • Invest and grow current and next generation talent PolyOne Corporation Page 5 Appliances 5% Building & Construction 12% Consumer 10% Electrical & Electronics 5% Healthcare 11% Industrial 14% Packaging 14% Transportation 20% Wire & Cable 9% Distribution 28% PP&S 20% Specialty 52% United States 69% Europe 13% Canada 7% Asia 6% Latin America 5% 2014 Revenues: $3.8 Billion End Markets 2014 Revenues: $3.8 Billion PolyOne At A Glance $0.12 $0.27 $0.21 $0.13 $0.68 $0.82 $1.00 $1.31 $1.80 2006 2007 2008 2009 2010 2011 2012 2013 2014 Adjusted EPS PolyOne Corporation Page 6 Old PolyOne *Operating Income excludes corporate charges and special items 2% 34% 43% 62% 65% 66% 0% 20% 40% 60% 80% 100% 2005 2008 2010 2013 2014 YTD 2015 2020 % o f O pe ra tin g In co m e* JV's Performance Products & Solutions Distribution Specialty 80%+ Specialty OI $5M $46M $87M $195M $242M $183M Mix Shift Highlights Specialty Transformation Transformation 2020 Platinum Vision Platinum Vision PolyOne Corporation Page 7 Confirmation of Our Strategy Specialization Globalization Operational Excellence Commercial Excellence Driven by our core values of Collaboration, Innovation and Excellence, we are the world’s premier provider of specialized polymer materials, services and solutions PolyOne Corporation Page 8 2006 YTD 2015 2020 “Where we were” “Where we are” Platinum Vision 1) Operating Income % Specialty: Global Color, Additives & Inks 1.7% 17.2% 20%+ Global Specialty Engineered Materials 1.1% 15.1% 20%+ Designed Structures & Solutions 1.4% (2012) 3.5% 12 – 14% Performance Products & Solutions 5.5% 8.1% 10 – 12% Distribution 2.6% 6.6% 6.5 – 7.5% 2) Specialty Platform % of Operating Income 6.0% 66% 80%+ 3) ROIC 5.0% 11.9% 15% 4) Adjusted EPS Growth N/A 24 Consecutive Quarters of YOY EPS Growth Double Digit Expansion Proof of Performance & 2020 Goals PolyOne Corporation Page 9 Innovation Drives Earnings Growth *Percentage of Specialty Platform revenue from products introduced in last five years $20 $52 2006 TTM Research & Development Spending ($ millions) Specialty Platform Vitality Index Progression* 14% 28% 2006 TTM Specialty Platform Gross Margin % 12% 43% 2006 TTM Specialty Vitality Index Target ≥ 35% TTM 9/30/15 TTM 9/30/15 TTM 9/30/15 PolyOne Corporation Page 10 Innovation Pipeline Potential Prototype Frame Opportunity Scale-up & Test Market Build Business Case Commercial Launch Phase 1 Phase 2 Phase 3 Phase 4 Phase 5 12 4 9 6 1 6 3 7 4 5 6 1 1 7 2 Breakthrough Platform Derivative Number of Projects 12 10 23 19 10 74 Specialty Addressable Market ($ millions) - - $1,150 $1,000 $250 $2,400 PolyOne Corporation Page 11 Lightweighting with Advanced Composites Increasing Healthcare Penetration Innovation Initiatives Expansion in Consumer Markets New Market Development $$$ $$ $ High Temperature Polymers PolyOne Corporation Page 12 Design and Service as a Differentiator Right Material & Color Desired Product Design Appropriate Manufacturing Process Delivering Concept to Commercialization Connecting the Dots with iQ Design Labs and InVisiO Color Design PolyOne Corporation Page 13 Customer First Through World-Class Service Strengthening relationships through:  Providing LSS services to small/medium sized customers • Supporting customers who lack their own formal process improvement initiatives  Providing training in Customer Centric Selling Skills with customers’ sales force PolyOne Corporation Page 14 60% 97% 20% 30% 40% 50% 60% 70% 80% 90% 100% 2008 Q3 2015 Pension Funding** As of 2015年9月30日 Debt Maturities & Pension Funding Net Debt / Adjusted EBITDA** = 2.1x $49 $121 $317 $600 $400 $0 $100 $200 $300 $400 $500 $600 $700 $800 2015 2018 2020 2023 Debt Maturities As of 2015年9月30日 ($ millions) Coupon Rate: 7.500% Variable* 7.375% 5.250% ** includes US-qualified pension plans only *Weighted average rate on revolver was 2.49% as of 9/30/15 **TTM 9/30/2015 PolyOne Corporation Page 15 Free Cash Flow and Strong Balance Sheet Fund Investment / Shareholder Return  Expanding our sales, marketing, and technical capabilities  Investing in operational and LSS initiatives  ~75% of capital expenditures fund growth initiatives Organic Growth Acquisitions Share Repurchases Dividends $0.16 $0.20 $0.32 $0.40 $0.48 $0.10 $0.20 $0.30 $0.40 $0.50 2011 2012 2013 2014 2015 2016 Annual Dividend  Targets that expand our: • Specialty offerings • End market presence • Geographic breadth  Synergy opportunities  Adjacent material solutions  Repurchased nearly 2.4 million shares in Q3 2015  Repurchased 14.8 million shares since early 2013  5.2 million shares are available for repurchase under the current authorization $0.24 PolyOne Corporation Page 16 The New PolyOne: A Specialty Growth Company Why Invest In PolyOne?

Versaflex™ OM3060 PP包覆成型 硬度 法规 灭菌 特性 28A 环氧乙烷 柔软的半透明材料，粘性好 43A 环氧乙烷 高度可着色的解决方案，粘性好，不易压缩变形 42A/ 50A 环氧乙烷 透明的耐高温级材料；ABS、PC可粘合 60A 环氧乙烷/蒸汽 弹性高，不易压缩变形 20A-90A 环氧乙烷 用途广泛，无填充 ABS，PC包覆成型 硬度 法规 灭菌 特性 40A USP VI级，ISO 10993 环氧乙烷 半透明 60A USP VI级，ISO 10993 环氧乙烷 透明 应用：VERSAFLEX™ CL与DYNAFLEX™ 热塑性弹性体 包覆成型，符合人体 工程学设计 • • • • • • 触感柔软，有利于形成良好的表面 有多种颜色效果和纹理可供选择 提高抓握力、缓冲力和舒适度 提高性能表现，如密封性能、减震、隔氧、 耐刮擦和耐磨性能 降低装配成本，加工性能良好 可牢固包覆于各种基材上 • • • • 血糖仪 医用工具包覆成型 注射笔 分析仪器 Dynaflex™ G2706 Dynaflex™ G2711 Versaflex™ CL2242 & CL2250 Versaflex™ G2705 N Versaflex™ HC3810 Versaflex™ OM1040 USP VI级，ISO 10993， 食品接触 USP VI级，ISO 10993， US食品接触 USP VI级，ISO 10993， 食品接触 USP VI级，ISO 10993 USP VI级，ISO 10993， 食品接触 材料描述 硬度 法规 灭菌 特性 45A USP VI级 55A USP VI级 70A USP VI级 43A 环氧乙烷 34A USP VI级， ISO 10993-4/5 FDA，USP VI级， ISO 10993 57A 挤出级，耐高温 再密封，压缩变形性能提高 摩擦低 Versalloy™ HC 9210-55N Versalloy™ HC 9210-70N Versalloy™ HC 9220-43N Versaflex™ HC 2110-35N Versaflex™ HC 2110-57B FDA，USP VI级，ISO 10993 环氧乙烷 加工性能良好，表面光洁、美观 环氧乙烷 环氧乙烷 加工性能良好，表面光洁、美观 加工性能良好，表面光洁、美观 高压灭菌、环氧乙烷、 辐射灭菌 高压灭菌、环氧乙烷、 辐射灭菌 应用：VERSALLOY™ HC与VERSAFLEX™ HC 热塑性弹性体 密封和再密封 • • • • • 柔软的橡胶质感 无抽芯，静态推塞被刺穿后再密封性良好 满足动态密封的低摩擦系数要求 可萃取物含量低 适合在聚烯烃上包覆成型 • • • 密封和密封隔膜 密封件和卫生垫圈 注射器推塞和塞头 Versalloy™ HC 9210-45N 材料描述 硬度 法规 灭菌 特性 65A/ 75A/ 84A 54A 67A 辐射灭菌 高压灭菌器 透明度高，不含增塑剂，无油 工作温度高，可高温灭菌 环氧乙烷、辐射灭菌 Versaflex™ HC MT555 Versaflex™ HC BT218 应用：VERSAFLEX™ CL与DYNAFLEX™ 热塑性弹性体 高透明度级，不含增塑剂 • • • • • • • 无色透明级，配方不含邻苯二甲酸酯增塑剂 符合医疗法规USP VI级和ISO 10993-4、5的 要求 食品接触用并符合FDA标准 可高压灭菌和辐射灭菌 可萃取物含量低 透明度高（雾度50 4.1, 100 4.5, 100 4, 70 6, 70 拉伸模量（MPa） 2200 2700 2600 2350 1820 1820 挠曲强度（MPa） 80 90 104 86 68 68 挠曲模量（MPa） 2500 2700 2500 2300 1980 1590 HDT：0.45、1.8（MPa） 110, 80 90, 80 100, 89 123, 100 123, 64 100, 70 UL-94等级，3.0mm 5VA V-0 5VA V-0 HB V-0 UL-94等级，1.5mm V-0 V-0 5VB V-0 HB V-0 UL-94等级，0.75mm V-1 V-2 V-0 无 无 V-2 竞争材料对比 医疗保健特种工程聚合物配方 TRILLIANT™ HC热塑性塑料 Trilliant™ HC高性能热塑性弹性体系列配方是专为应对日趋严苛的医疗器械和设备而开发的。

Add on nearly $50 million in synergies from the Clariant color business integration, and we are having a record year.”

PRIOR YEAR $790 $710 2022 2023 $107 $112 2022 2023 Sales Adjusted EBITDA (in millions) $0.42 $0.47 2022 PF 2023 Adjusted EPS (in millions) - 10% + 5% + 12% Sales Adjusted EBITDA Adjusted EPS 16 $112 $500 Q4 FY $0.47 $2.30 Q4 FY Q4 AND FULL YEAR 2023 GUIDANCE $710 $3,130 Q4 FY Sales Adjusted EBITDA Adjusted EPS 17 (in millions) (in millions) Guidance: Free Cash Flow $180 $180 Prior Guidance Guidance FREE CASH FLOW & INCREASED DIVIDEND 13th Consecutive Dividend Increase 0.16 0.26 0.42 0.58 0.79 0.85 0.99 1.03 2011 2013 2015 2017 2019 2021 2023 2024 18 S U S T A I N A B I L I T Y D AY R E C A P SUSTAINABILITY AS A GROWTH DRIVERLONG-TERM REVENUE GROWTH DRIVERS 60%+ Key Growth Drivers Sustainable Solutions Composites, Healthcare, Asia / LATAM Overlap Other (GDP Growth) Total Company Revenue Growth Drivers Long-Term Growth Rate Sustainable Solutions 8–12% Composites 8–10% Healthcare 8–10% Asia / LATAM 5% Other (GDP growth) 0–2% Avient 6% 20 SUSTAINABILITY TRENDS DRIVE LONG-TERM GROWTH 8-12% Long Term Growth 50 90 2022 2030 Medical Plastics Market Size (in $Billions) 2020 2030 Recycled Plastics Virgin Plastics Growing Demand for Recycled Content Avient Sustainable Solutions 18 46 2023 2032 Global Offshore Annual Wind Installations (in Gigawatts) Sources: McKinsey, Bloomberg, Grand View Research SUSTAINABILITY TRENDS DRIVE LONG-TERM GROWTH 21 • Transformative acquisitions combined with divestitures of more cyclical businesses have improved margins over 400 bps since 2018 • 20% long-term margin goal to be driven by key growth drivers, with sustainable solutions playing a meaningful role 5.4% 11.5% 16.0% 2006 2018 2023E Recovery Growth Drivers Strategic Objective 20%+ +1%+ +3%+ ADJUSTED EBITDA MARGIN EXPANSION 22 • 6% annualized long-term sales growth leveraging sustainable solutions, composites, healthcare, and emerging regions • Expand EBITDA margins to 20% • Deliver annual EBITDA and EPS growth of 10% and 15% • Maintain asset-light, 80% free cash flow conversion profile and be valued as a specialty formulator • Continue fostering our Great Place to Work® culture CRE AT ING A WORL D-CL AS S S US TAINABL E ORGANIZ AT ION 23 PEER COMPARISONS AVIENT IS ASSET LIGHT Capex / Revenue 2023E (%) Avient Specialty Formulators Other Specialty / Chemical Companies Source: Peer data per Bloomberg as of 2023年10月27日 Note: Avient reflects 2023 estimated revenue of $3,130 and estimated run-rate CAPEX of $110M. 26 3.5 1.8 2.7 3.0 3.4 3.7 2.8 3.7 4.6 5.0 6.9 7.0 8.6 11.1 A vi en t K W R FU L P P G A V Y R P M FM 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 2023年10月27日 Note: Free cash flow conversion calculated as (Adjusted EBITDA – Capex) / Adjusted EBITDA.

W H AT W E D O : W E A R E A F O R M UL ATO R 6 CUSTOM FORMULATION M AY 3 , 2 0 2 3 W E B C A S T Keeping Safety First o Relentless focus on best-in-class safety performance as an ACC Responsible Care® organization Exceeding Customer Expectations o Complementary technologies and customer relationships offer opportunity for future revenue synergies o Proven innovation-led commercial strategy with strong brands and participation across the full value chain Collaboration in Innovation o Leveraging Dyneema®, the world’s strongest fiber™, to accelerate growth of sustainable, ultralight and high performance applications People – Culture is Everything o Talented, passionate and collaborative associates drive an effective integration strategy o Strong Great Places to Work® scores reflect positive integration efforts in first year AVI E N T P ROT EC T I VE MAT ER I A L S I N T EG R ATI O N 8 AVI ENT PROTEC TI VE MATERI ALS K E Y I N D U S T R I E S PERSONAL PROTECTION Military • Law Enforcement • First Responders • Body Armor • Helmets • Vehicle Protection 50% MARINE & SUSTAINABLE INFRASTRUCTURE Towing / Mooring • Aquaculture • Floating Wind • Offshore Cranes 30% CONSUMER Consumer • Outdoor High Performance • Safety Equipment 20% 9 Figures reflect approximate proportions of 2022 sales Q 1 P E R F O R M A N C E Q1 2023 PERFORMANCE VS.

Sales EBITDA Specialty Engineered Materials Color Additives and Inks $585M$3,635M (1) Transportation 9% Healthcare 8% 23 C O L O R , A D D I T I V E S & I N K S 2 0 2 2 R E V E N U E | $ 2 . 3 B I L L I O N US & Canada 35% EMEA 40% Asia 20% Latin America 5% END MARKET REGION 24 Packaging 33% Consumer 22% Healthcare 9% Industrial 15% Transportation 8% Building & Construction 11% Telecommunications 1% Energy 1% Figures represent 2022 full year estimates S P E C I A L T Y E N G I N E E R E D M A T E R I A L S 2 0 2 2 P R O F O R M A R E V E N U E | $ 1 . 3 B I L L I O N END MARKET US & Canada 50% EMEA 35% Asia 15% REGION 25 Figures represent 2022 full year estimates Packaging 5% Consumer 19% Healthcare 8%Industrial 16% Transportation 10% Telecommunications 10% Energy 9% Defense 15% Building & Construction 8% Packaging 31% Consumer 28% Healthcare 8% Industrial 13% Building & Construction 5% Telecommunications 3% Energy 2% Defense 1% Asia (20% of sales) Transportation 9% 2 0 2 2 P R O F O R M A AV I E N T R E G I O N A L S A L E S B Y E N D M A R K E T Packaging 29% Consumer 13% Healthcare 5% Industrial 17% Building & Construction 11% Energy 5% Defense 7% EMEA (35% of sales) Transportation 10% Packaging 14% Consumer 23% Healthcare 11% Industrial 15% Building & Construction 12% Energy 5% Defense 7% US & Canada (40% of sales) Transportation 7% Packaging 49% Consumer 22% Healthcare 8% Industrial 9% Building & Construction 6% Telecommunications 1% LATAM (5% of sales) Transportation 5% Telecommunications 3% Telecommunications 6% Figures represent 2022 full year estimates 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.

Jos Ostaja rikkoo tätä sopimusta tai ei suorita velvollisuuksiaan sen mukaisesti, Myyjällä on oikeus (mutta ei velvollisuutta) periä Ostajalta toiminnan aiheuttamien muiden vahinkojen lisäksi: (i) Tuotteiden hinta Myyjän tilausvahvistuksessa mainitun mukaisesti, jos Tuotteet ovat tuotettu nimenomaan Ostajalle tai Tuotteet ovat sellaisia, ettei niitä kohtuudella voida myydä Myyjän toimesta kolmannelle osapuolelle; tai (ii) jos Tuotteet voidaan myydä kolmannelle osapuolelle, sopimussakkona viisikymmentä prosenttia (50%) Tuotteiden hinnasta, joka on mainittu Myyjän tilausvahvistuksessa. 9.

Amennyiben a Vevő megszegi vagy nem teljesíti a szerződést, az Eladónak jogában áll (de nem köteles) a Vevőtől behajtani a következőket, az ilyen cselekmény által okozott egyéb károkon felül: (i) azokban az esetekben, amikor a Termékeket kifejezetten a Vevő számára állították elő, vagy amikor az Eladó ésszerűen nem adhatja el a Termékeket harmadik félnek, a rendelés visszaigazolásban meghatározott Termékek árát; vagy (ii) azokban az esetekben, amikor az Eladó eladhatja a Termékeket, a rendelés visszaigazolásban meghatározott Termékek árának ötven százalékát (50%) kártérítésként. 9.

V případě porušení nebo neplnění ze strany Kupujícího je Prodávající oprávněn (nikoliv však povinen) požadovat po Kupujícím kromě jakékoli jiné škody způsobené takovým jednáním: (i) v případě Výrobků vyrobených speciálně pro Kupujícího nebo Výrobků, které Prodávající nemůže důvodně dále prodat třetí straně, cenu těchto Výrobků uvedenou v potvrzení objednávky; nebo (ii) v případě Výrobků, které může Prodávající dále prodat, náhradu škody ve výši padesáti procent (50 %) ceny Výrobků uvedených v potvrzení objednávky jako smluvní pokutu. 9.

In the event of Buyer’s breach or failure to perform, Seller shall be entitled to (but is not required to) recover from Buyer, in addition to any other damages caused by such action: (i) in the case of Products produced specifically for Buyer or which reasonably cannot be resold by Seller to a third party, the price of such Products as quoted in Seller’s order confirmation; or (ii) in the case of Products which can be resold by Seller, damages equal to fifty percent (50%) of the price for the Products as quoted in Seller’s order confirmation, as liquidated damages. 11.