Processing Guidelines Base Resin PA6 Barrel Temperatures °F °C Rear Zone 440–470 227–243 Center Zone 450–480 232–249 Front Zone 460–490 238–254 Nozzle 470–500 243–260 Melt Temperature 470–500 243–260 Mold Temperature 120–180 49–82 Pack and Hold Pressure 50–75% of Injection Pressure Injection Velocity 0.5 in/s–3 in/s 13 mm/s–76 mm/s Back Pressure 50–100 psi 3.4–6.9 Bar Screw Speed 30–70 rpm Cushion 0.25 in 6.35 mm Drying Parameters 2–4 Hours @ 180°F 2–4 Hours @ 82°C Moisture % Allowable 0.08–0.18%* Screw Type General Purpose Screw Screw Compression Ratio 2.0:1– 2.5:1 Screw L/D 20:1 Non-return Check Valve Free Flow Check Ring Nozzle Type Reverse Taper Clamp Pressure 2–3 Tons/in² Barrel Capacity 30-80% of barrel should be used * Avient suggests measuring moisture using a Karl Fischer method or Vapor Pro® moisture analyzer that titrates only for moisture.

主要特性 生产符合高于CAS编号级别的变更控制原则 （与MEVOPUR母粒类似），降低变更风险 不含动物源性物质和邻苯二甲酸盐 适用于吹膜、注塑、吹塑和挤出 • • • 注册药品主文件（III型） 食品接触符合FDA/EU*要求 法规支持 原材料根据以下法规测试： - ISO 10993-1 - USP第、章，包括VI级别，符合眼 科和鼻腔用药物要求 - 欧洲药典3.1.3/3.1.5（聚烯烃） - 美国药典（聚乙烯） - ICH Q3D 杂质元素 - USP和USP，透光率 • • • 载体材料 耐光性 热稳定性 产品代码颜料含量/类型 HDPE 50% TiO2 8 300°C PH00075525 LLDPE 60% TiO2 8 300°C PL00075542 LLDPE 70% TiO2 8 300°C PL00075545 PP 50% TiO2 8 300°C PP00075717 适用医疗保健使用限制—见下文。

% Pigment Specific Gravity Color Index Heat Stability Lightfastness System BROWN 83MB01 (c) Iron Oxide, Tan HR 60 1.78 PBr-11 1 I/O SBR 83MB02 (c) Iron Oxide, Light 68 2.1 PBr-6 2 C I/O SBR 83MB03 (c) Iron Oxide, Dark 60 1.83 PBr-6 2 C I/O SBR 83EP02 Iron Oxide, Light 69 1.98 PBr-6 2 C I/O EPDM 83EP03 Iron Oxide, Dark 69 1.98 PBr-6 2 C I/O EPDM BLACK 90MB01 (c) Furnace N-330 31 1.2 PBk-7 1 I/O SBR 90MB05 (c) Iron Oxide 60 1.8 PBk-11 2 C I/O SBR 90EP01 Furnace Black 33 1.05 PBk-7 1 I/O EPDM 90EP05 Iron Oxide 55 1.56 PBk-11 2 C I/O EPDM ALUMINUM 61MB01 Aluminum 70 1.5 PM-1 1 I/O SBR 61EP01 Aluminum 60 1.31 PM-1 1 I/O EPDM RS = Red Shade YS = Yellow Shade VYS = Very Yellow Shade BS = Blue Shade VBS = Very Blue Shade GS = Green Shade NC = Non-Crystallizing HR = Heat-Resistant (a) = Potential Migration at Low Use Levels (b) = Poor Alkali Resistance - Not Recommended for Open Steam Cure (c) = Six Month Shelf Life LIGHTFASTNESS I = Indoor Only I/O = Indoor or Outdoor Mass = Outdoor Masstone Application Only C = Some Caution Advised HEAT STABILITY 1 = Above 400°F 2 = 350°F–400°F 3 = Below 350°F C = Some Caution Advised 1.844.4AVIENT www.avient.com Copyright © 2024, Avient Corporation.

T H E N E W P O L Y O N E : A S P E C I A L T Y G R O W T H C O M P A N Y  Growing leadership position in attractive markets  Innovation, technology and service are differentiators  Capital management is a strength: Record-setting cash generation to continue for years  Expand ROIC while increasing invested capital  Proven acquisition strategy with robust pipeline  Commercial investments are fueling momentum and generating organic growth S E R V I C E : T H E T I M E L E S S D I F F E R E N T I A T O R PolyOne Corporation 29 T A L E N T D E V E L O P M E N T PolyOne Corporation 30 Leadership Program Participants 2012 2013 2014 2015 47 0 86 2016 2017 125 169 216 Campus Hires 2008 2011 2014 2017 0 25 90 47 PolyOne LSS Blackbelts 2008 2011 2014 2017 0 67 202 147 A U N I Q U E C U S T O M E R E X P E R I E N C E Industrial Design I Q D E S I G N L A B S PolyOne Corporation 31 Material & Color Expertise Manufacturing Expertise 3 14 2014 2017 Industrial designers $0 $7M 2014 2017 $4M $40M 2014 2017 Opportunity funnel New business revenue L S S C U S T O M E R F I R S T PolyOne Corporation 32 Customer Projects Enables sales growth by building more intimate customer relationships, giving us insight to customers’ needs, with a service that is not easily replicated 2014 2017 2 85 3 D P R I N T I N G B R I N G I N G N E W I D E A S T O L I F E PolyOne Corporation 33 Enables validation of fit and function Shortens design cycle and time to market Avoids tooling rework Drives innovation Delivers substantial customer value PolyOne Corporation 34 From concept to production M O N T H M O N T H M O N T H M O N T H M O N T H M O N T H 99.9% Reduction in turnaround time Traditional Timeline up to 24 weeks PolyOne ColorMatrix Select™ 6 hours Innovative system for processors and OEMs to develop colors in real time Complete system that provides customers with the freedom to match, prototype and produce color entirely within their own facility C O L O R M A T R I X S E L E C T ™ “Being able to create color and produce parts in 1 day is unheard of in this industry” -CEO, Industry Leader I N N O V A T I N G W I T H P O L Y O N E PolyOne Corporation 35 S E G M E N T H I G H L I G H T S C O L O R , A D D I T I V E S & I N K S E N D M A R K E T S & S O L U T I O N S PolyOne Corporation 36 Solid Colorants Performance Additives Screen Printing Inks Liquid Colorants Packaging 27% Industrial 14% Textiles 12% Building & Construction 10% Wire & Cable 10%Transportation 8% Consumer 7% Healthcare 6% Electrical & Electronics 3% Appliance 3% Operating Income & MarginRevenue by Region C O L O R , A D D I T I V E S & I N K S 2 0 1 7 R E V E N U E | $ 8 9 3 M I L L I O N $4 $25 $104 $139 0.9% 5.5% 12.2% 15.5% 0.0% 2.0% 4.0% 6.0% 8.0% 10.0% 12.0% 14.0% 16.0% 18.0% 20 30 40 50 60 70 80 90 100 110 120 130 140 150 2005 2009 2013 2017 PolyOne Corporation 37 Europe 32% United States 46% Asia 15% Canada 1% Mexico 4% Brazil 2% 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 E N D M A R K E T S & S O L U T I O N S PolyOne Corporation 38 Engineered Formulations Advanced Composites Thermoplastic Elastomers Consumer 20% Transportation 19% Wire & Cable 13% Healthcare 11% Industrial 8% Packaging 7% Appliance 4% Building & Construction 3% Electrical & Electronics 15% 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 Revenue by Region Operating Income & Margin 2 0 1 7 R E V E N U E | $ 6 2 4 M I L L I O N PolyOne Corporation 39 $21 $57 $76 0.1% 5.1% 9.3% 0.0% 2.0% 4.0% 6.0% 8.0% 10.0% 12.0% 14.0% 20 30 40 50 60 70 80 2005 2009 2013 2017 Europe 28% United States 48% Asia 22% Canada 2% 12.1% P E R F O R M A N C E P R O D U C T S & S O L U T I O N S E N D M A R K E T S & S O L U T I O N S PolyOne Corporation 40 Specialty Vinyl Solutions Healthcare Formulations Smart Device Materials Flame Retardant Polymers Building & Construction 30% Industrial 18% Transportation 16% Wire & Cable 15% Appliance 7% Packaging 5% Consumer 5% Electrical & Electronics 3% Healthcare 1% Asia 2% United States 77% Mexico 5% Canada 16% P E R F O R M A N C E P R O D U C T S & S O L U T I O N S Operating Income & MarginRevenue by Region 2 0 1 7 R E V E N U E | $ 7 2 1 M I L L I O N $40 $33 $56 $77 4.6% 3.6% 7.2% 10.7% 0.0% 2.0% 4.0% 6.0% 8.0% 10.0% 12.0% 14.0% 16.0% 0 10 20 30 40 50 60 70 80 90 100 2005 2009 2013 2017 PolyOne Corporation 41 $886 $668 $773 $721Sales D I S T R I B U T I O N E N D M A R K E T S & S U P P L I E R S PolyOne Corporation 42 Transportation 23% Healthcare 22% Industrial 18% Consumer 15% Appliance 7% Electrical & Electronics 6% Building & Construction 4% Packaging 3% Wire & Cable 2% $20 $25 $63 $73 2.9% 4.0% 5.9% 6.3% 0.0% 1.0% 2.0% 3.0% 4.0% 5.0% 6.0% 7.0% 15 25 35 45 55 65 75 2005 2009 2013 2017 Operating Income & Margin2017 Revenue | $1.2 Billion http://www.polyone.com/Pages/VariationRoot.aspx http://www.polyone.com/Pages/VariationRoot.aspx T A R G E T E N D M A R K E T S & A P P L I C A T I O N E X A M P L E S PolyOne Corporation 43 Thermally Conductive Technologies Chemical Resistant Technologies Polymer Colorants Elastomeric Grips and Handles Structural Composites Antimicrobial Technologies Anti-Counterfeiting Technologies Target End Markets… Healthcare Catheter Technologies Under-hood Components Target End Markets… Automotive Interior Structural Components Sound & Vibration Management Roof Systems Air Management Electronics and Cameras Lighting Exterior / Interior Trim Braces & Brackets Fasteners Seals & Flaps Target End Markets… Consumer Thermally Conductive Components Polymer Colorants Elastomeric Grips and Handles Structural Composite Components Oxygen Scavenger Technologies Laser Marking Additives Antistatic Technologies UV Light Barrier Technologies Cap & Closure Colorants Process Optimization Technologies Antioxidant Technologies Density Modified Technologies Target End Markets… Packaging  Impart weight, sound and metallic finish to caps and closures for cosmetics and spirits applications  Elevate quality and prestige perceptions among high-end consumers  Eliminate time and cost associated with secondary operations and assembly Luxury Packaging GravitechTM Density Modified Polymers  Eliminate costs by increasing pigment density  Enhance color performance without altering form and formulation  Increase design capabilities by reducing weight and layer thickness Optimize Color Usage OnColorTM Super Concentrates  Inhibit microbial growth on polymer surfaces  Enhance value or products and devices  Highly versatile concentrate with the ability to be incorporated into a wide variety of products Combat Bacteria Formation WithStandTM Antimicrobial Technology  Durable, long-lasting products stand up to the most aggressive disinfectants  Minimize environmental stress cracking and discoloration  One of the broadest medically approved polymer and colorant portfolios Medical Device Housings Chemically Resistant Engineered Polymers Color & Design Services  Greater control of color development and supply chain  Work across entire design process from concept to commercialization  Inspire creativity in the use of polymer materials, colors, and effects  Innovative brand differentiation  Faster development timelines Outdoor Applications  Leading provider of high performance specialty materials for the recreational and sports & leisure industry  Well positioned across all segments to address market needs  Metal to Polymer Conversion  Lightweighting  Thermal Management  Impact Performance  ColorMatrix Fiber Colorant Solutions  Proprietary advanced liquid color formulations and equipment enable greater efficiency and productivity  Eliminates aqueous dyeing and its associated wastewater treatment  Solid Color Concentrates  Extrusion-spun fibers colored via solid masterbatch Fiber Colorants  High flame retardancy to meet strict UL standards  Greater processing and design flexibility  Specialized additives provide long term color stability  Diffusive lens materials improve light dispersion Smart Home Devices ResilienceTM Vinyl Solutions 1 Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except per share data) Senior management uses comparisons of adjusted net income from continuing operations attributable to PolyOne shareholders and diluted adjusted earnings per share (EPS) from continuing operations attributable to PolyOne shareholders, excluding special items, to assess performance and facilitate comparability of results.

Naas, Ireland 70. In 2023, Avient collected sustainable assessments for 70% of our total direct spend for sourcing. As a founding member, we are collaborating with over 70 member companies and supporters to promote infrastructure, education and engagement, innovation, and clean up efforts to keep plastic waste in the right place.

Naas, Ireland 70. In 2023, Avient collected sustainable assessments for 70% of our total direct spend for sourcing. As a founding member, we are collaborating with over 70 member companies and supporters to promote infrastructure, education and engagement, innovation, and clean up efforts to keep plastic waste in the right place.

Bergamid™ polymer formulations and GLS™ TPEs replace metal and provide comfort and usability for Swiss soldiers pocket knife Bergamid™ polymer formulations and GLS™ TPEs replace metal and provide comfort and usability for Swiss soldiers pocket knife

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Use of Non-GAAP Measures Page 3 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 • 18 consecutive quarters of double- digit adjusted EPS growth • Shift to faster growing, high margin, less cyclical end markets • Key acquisitions propel current and future growth, as well as margin expansion • Established aggressive 2015 targets • Continue specialty transformation • Targeting $2.50 Adjusted EPS by 2015, nearly double 2013 EPS • Drive double digit operating income and adjusted EPS growth Confirmation of Our Strategy The World’s Premier Provider of Specialized Polymer Materials, Services and Solutions Specialization Globalization Operational Excellence Commercial Excellence -150.00% -50.00% 50.00% 150.00% 250.00% 350.00% 450.00% PolyOne S&P 500 Russell 2000 Dow Jones Chemical All time high of $39.28 April 4th, 2014 • 18 consecutive quarters of double digit EPS growth • 49% CAGR adjusted EPS expansion 2006-2013 • 2013 stock price increased 73% versus 30% growth in the S&P • More than seven fold increase in market cap: $0.5b $3.6b Strategy and Execution Drive Results Page 6 Appliance 4% Building & Construction 13% Wire & Cable 9% Electrical & Electronics 5% Consumer 10%Packaging 16% Industrial 12% HealthCare 11% Transportation 18% Misc. 2% 0.12 0.27 0.21 0.13 0.68 0.82 1.00 1.31 2.50 $0.00 $0.25 $0.50 $0.75 $1.00 $1.25 $1.50 $1.75 $2.00 $2.25 $2.50 2006 2007 2008 2009 2010 2011 2012 2013 2015 Target A dj us te d Ea rn in gs P er S ha re 2013 Revenues: $3.8 Billion End Markets 2013 Revenues: $3.8 Billion EPS Page 7 PolyOne At A Glance United States 67% Europe 14% Canada 7% Asia6% Latin America 6% Specialty 54% PP&S 18% Distribution 28% Mix Shift Highlights Specialty Transformation Page 8 Old PolyOne Transformation *Operating Income excludes corporate charges and special items 2% 34% 43% 62% 64% 0% 20% 40% 60% 80% 100% 2005 2008 2010 2013 Q1 2014 2015 % o f O pe ra tin g In co m e* JV's Performance Products & Solutions Distribution Specialty 65-75% Specialty OI $5M $46M $87M $195M $60M Target 2015 Target Proof of Performance & 2015 Goals Page 9 2006 Q1 2014 2015 “Where we were” “Where we are” Target 1) Operating Income % Specialty: Global Color, Additives & Inks 1.7% 13.8% 12 – 16% Global Specialty Engineered Materials 1.1% 11.6% 12 – 16% Designed Structures & Solutions -- 6.5% 8 – 10% Performance Products & Solutions 5.5% 7.7% 9 – 12% Distribution 2.6% 6.1% 6 – 7.5% 2) Specialty Platform % of Operating Income 6.0% 64% 65 – 75% 3) ROIC* (after-tax) 5.0% 9.4% 15% 4) Adjusted EPS Growth N/A 42% Double DigitExpansion *ROIC is defined as TTM adjusted OI divided by the sum of average debt and equity over a 5 quarter period Bridge to $2.50 Adjusted EPS by 2015 2015 EPS: $2.50 2013 EPS: $1.31 Continued Gross Margin Expansion Mergers & Acquisitions Spartech Accretion Incremental share buybacks Ongoing LSS Programs (50-100 bps/yr) Accelerated Innovation & Mix Improvement Several Levers to Drive Growth Mid single digit revenue CAGR Innovation Drives Earnings Growth $20.3 $52.3 2006 2013 Research & Development Spending ($ millions) Specialty Platform Vitality Index Progression* *Percentage of Specialty Platform revenue from products introduced in last five years Page 11 14.3% 30.7% 2006 2013 Specialty Platform Gross Margin % 19.5% 42.0% 2006 Q1 2014 Healthcare Consumer Packaging and Additive Technology Transportation Page 12 Unique and Innovative Solutions https://www.dropbox.com/sh/dwe4t8aacvhb8ui/uD3p_bdglP/Presentation revise pics/GLS Beverage can closure XO 2.jpg https://www.dropbox.com/sh/dwe4t8aacvhb8ui/-YgkycKypw/Anti-Counterfeiting release & images/GN1979.JPG 60% 100% 20% 30% 40% 50% 60% 70% 80% 90% 100% 2008 2014 Pension Funding** As of March 31, 2014 Debt Maturities & Pension Funding – 3/31/14 Net Debt / EBITDA* = 1.9x $48 $317 $600 $0 $100 $200 $300 $400 $500 $600 $700 $800 2015 2020 2023 Debt Maturities As of March 31, 2014 ($ millions) Coupon Rates: 7.500% 7.375% 5.250% ** includes US-qualified pension plans only *TTM 3/31/2014 Free Cash Flow and Strong Balance Sheet Fund Investment / Shareholder Return $0.16 $0.20 $0.24 $0.32 $0.10 $0.20 $0.30 $0.40 2011 2012 2013 2014 Annual Dividend  Expanding our sales, marketing, and technical capabilities  Investing in operational and initiatives that drive profitability growth  Manufacturing realignment  Targets that expand our: • Specialty offerings • End market presence • Geographic footprint • Operating Margin  Synergy opportunities  Adjacent material solutions  Repurchased 1.4 million shares in Q1 2014  Repurchased 6.4 million shares since April 2013  13.6 million shares are available for repurchase under the current authorization Organic Growth Acquisitions Share Repurchases Dividends The New PolyOne: A Specialty Growth Company Why Invest In PolyOne?