MAM L E A R N T O D R I N K ™ C U P • Compliance with EU fatty food contact regulations* • Soft, gentle feel • Non-BPA, non-phthalate • Great colorability • Provided customized solution to comply with Europe’s fatty food contact requirements and application needs • Enhanced customer appeal with a soft, durable and custom-colored solution Versaflex™ FFC Thermoplastic Elastomer KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION MEETS FATTY FOOD COMPLIANCE LEARN MORE* Limitations may apply – check with Avient for more information Copyright © 2020, Avient Corporation.

FABRIC MASK MANUFACTURER P P N O N W O V E N M U L T I L A Y E R S • Meet regulatory requirements for the application • Provide technical support including specific color, processing and molding recommendations • Deliver a highly hydrophilic performance • Developed a compliant additives solution to meet necessary regulatory specifications • Provided technical expertise throughout the design and manufacturing process • Offered an effective solution to make it soft touch while hydrophilic Cesa Fiber Additives KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION COMPLIANCE + EFFECTIVENESS LEARN MORE Copyright © 2024, Avient Corporation.

Platform operating income mix percentage 2005Y* 2006Y* 2007Y* 2008Y* 2009Y* 2010Y* 2011Y* Global Specialty Engineered Materials $ 0.4 $ 3.9 $ 4.9 $ 17.6 $ 20.6 $ 49.7 $ 45.9 Global Color, Additives and Inks 4.3 8.9 25.7 28.1 25.2 37.7 43.4 Specialty Platform $ 4.7 $ 12.8 $ 30.6 $ 45.7 $ 45.8 $ 87.4 $ 89.3 Performance Products and Solutions 75.7 64.2 65.8 31.3 33.1 54.0 62.4 Distribution 19.5 19.2 22.1 28.1 24.8 42.0 56.0 SunBelt Joint Venture 91.9 102.9 34.8 28.6 25.5 18.9 5.0 Corporate (51.5) 34.5 (73.3) (425.1) 7.9 (27.7) 20.3 Operating income (loss) GAAP $ 140.3 $ 233.6 $ 80.0 $ (291.4) $ 137.1 $ 174.6 $ 233.0 Less: Corporate operating expense (income) 51.5 (34.5) 73.3 425.1 (7.9) 27.7 (20.3) Operating income excluding Corporate $ 191.8 $ 199.1 $ 153.3 $ 133.7 $ 129.2 $ 202.3 $ 212.7 Specialty platform operating mix percentage 2% 6% 20% 34% 35% 43% 42% Platform operating income mix percentage 2012Y* 2012PF** Global Specialty Engineered Materials $ 47.0 $ 47.7 Global Color, Additives and Inks 66.8 81.6 Designed Structures & Solutions -- 20.9 Specialty Platform $ 113.8 $ 150.2 Performance Products and Solutions 74.9 37.4 Distribution 66.0 66.0 Corporate (87.6) ( 87.9) )Operating income GAAP $ 167.1 $ 165.7 Less: Corporate operating expense 87.6 87.9 Operating income excluding Corporate $ 254.7 $ 253.6 45% 60% * Historical results include the Resin and Specialty Coatings businesses within the Performance Products and Solutions segment. ** Pro Forma results include Spartech and Glasforms acquisitions, Specialty Coatings reclass and excludes the Resin business assets. Specialty platform operating mix percentage Platform sales and operating income (OI) 2006Y* 2007Y* 2008Y* 2009Y* 2010Y* 2011Y* Global Specialty Engineered Materials Sales $ 345.3 $ 384.4 $ 514.0 $ 402.9 $ 517.4 $ 575.1 Global Color, Additives and Inks Sales 531.8 560.5 554.3 459.8 527.4 544.6 Specialty Platform Sales $ 877.1 $ 944.9 $ 1,068.3 $ 862.7 $ 1,044.8 $ 1,119.7 Performance Products and Solutions Sales 1,166.2 1,086.8 1,001.4 667.7 776.3 865.4 PolyOne Distribution Sales 732.8 744.3 796.7 625.1 911.9 996.5 Corporate and Eliminations (153.7) (133.3) (127.7) (94.8) (111.1) (118.1) Total Sales $ 2,622.4 $ 2,642.7 $ 2,738.7 $ 2,060.7 $ 2,621.9 $ 2,863.5 Global Specialty Engineered Materials OI $ 3.9 $ 4.9 $ 17.6 $ 20.6 $ 49.7 $ 45.9 Global Color, Additives and Inks OI 8.9 25.7 28.1 25.2 37.7 43.4 Specialty Platform OI $ 12.8 $ 30.6 $ 45.7 $ 45.8 $ 87.4 $ 89.3 Performance Products and Solutions OI 64.2 65.8 31.3 33.1 54.0 62.4 PolyOne Distribution OI 19.2 22.1 28.1 24.8 42.0 56.0 Sunbelt Joint Venture OI 102.9 34.8 28.6 25.5 18.9 5.0 Corporate and eliminations (4.6) (25.5) (28.9) (40.8) (32.5) (26.4) Special items in OI 39.1 (47.8) (396.2) 48.7 4.8 46.7 Operating income (loss) GAAP $ 233.6 $ 80.0 $ (291.4) $ 137.1 $ 174.6 $ 233.0 Sunbelt equity income (107.0) (40.8) (32.5) (29.7) (23.1) (5.7) Special items in OI (39.1) 47.8 396.2 (48.7) (4.8) (46.7) Operating income adjusted $ 87.5 $ 87.0 $ 72.3 $ 58.7 $ 146.7 $ 180.6 Global Specialty Engineered Materials - OI % of sales 1.1% 1.3% 3.4% 5.1% 9.6% 8.0% Global Color, Additives and Inks - OI % of sales 1.7% 4.6% 5.1% 5.5% 7.1% 8.0% Specialty platform OI - % of sales 1.5% 3.2% 4.3% 5.3% 8.4% 8.0% PP&S operating OI - % of sales 5.5% 6.1% 3.1% 5.0% 7.0% 7.2% Distribution OI - % of sales 2.6% 3.0% 3.5% 4.0% 4.6% 5.6% PolyOne OI adjusted - % of sales 3.3% 3.3% 2.6% 2.8% 5.6% 6.3% * Historical results include the Resin and Specialty Coatings businesses within the Performance Products and Solutions segment. ** Pro Forma results include Spartech and Glasforms acquisitions, Specialty Coatings reclass and excludes the Resin business assets. Average Debt Q1 2012 Q2 2012 Q3 2012 Q4 2012 Q1 2013 Average PolyOne Debt $ 706.4 $ 705.8 $ 705.2 $ 706.9 $ 1055.5 $ 776.0 Average Equity Q1 2012 Q2 2012 Q3 2012 Q4 2012 Q1 2013 Average PolyOne shareholders’ equity $ 611.3 $ 604.3 $ 629.3 $ 629.1 $ 871.8 $ 669.2 Platform sales and operating income (OI) 2012Y* 2012PF** Q1 2013 Global Specialty Engineered Materials Sales $ 543.6 $ 773.0 $ 159.8 Global Color, Additives and Inks Sales 703.5 828.5 205.3 Designed Structures & Solutions -- 850.6 41.5 Specialty Platform Sales $ 1,247.1 2,452.1 406.6 Performance Products and Solutions Sales 837.0 696.1 159.7 PolyOne Distribution Sales 1,030.3 1,030.3 268.0 Corporate and Eliminations (121.8) (121.6) (33.2) Total Sales $ 2,992.6 $ 4,056.9 $ 801.1 Global Specialty Engineered Materials OI $ 47.0 $ 47.7 $ 16.2 Global Color, Additives and Inks OI 66.8 81.6 24.1 Designed Structures & Solutions -- 20.9 1.9 Specialty Platform OI $ 113.8 $ 150.2 $ 42.2 Performance Products and Solutions OI 74.9 37.4 13.0 PolyOne Distribution OI 66.0 66.0 16.2 Corporate and eliminations (33.7) (40.0) (14.3) Special items in OI (53.9) (53.9) (16.6) Operating income - GAAP $ 167.1 $ 159.7 $ 40.5 Special items in OI 53.9 53.9 16.6 Operating income adjusted $ 221.0 $ 213.6 $ 57.1 Global Specialty Engineered Materials - OI % of sales 8.6% 6.1% 10.1% Global Color, Additives and Inks - OI % of sales 9.5% 9.8% 11.7% Designed Structures & Solutions -- 2.5% 4.6% Specialty platform OI % of sales 9.1% 6.1% 10.4% PP&S operating OI % of sales 9.0% 5.4% 8.1% Distribution OI % of sales 6.4% 6.4% 6.0% PolyOne OI adjusted, % of sales 7.4% 5.3% 7.1% PolyOne Investor Presentation�Credit Suisse Boston Basic Materials Conference ��June 26, 2013� Forward – Looking Statements Use of Non GAAP Measures Strategy and Execution Drive Results – Since 2006: Four Pillar Strategy 2013 Portfolio Transformation Highlights PolyOne�At A Glance Mix Shift Highlights Specialty Transformation Proof of Performance & 2015 Goals Innovation Drives Earnings Growth We are Experts in Polymer Science and Formulation Positioned for Strong Growth First Quarter Financial Highlights Debt Maturities & Liquidity Summary – 3/31/13 Use of Cash Why Invest In PolyOne?

COLLABORATION HELPS POTABLE WATER EQUIPMENT MANUFACTURER FEND OFF PIRATES To learn more about Avient’s lasermarking and anti-counterfeiting solutions, contact us at info@Avient.com. When this manufacturer approached Avient to explore solutions, it explained how customers had a hard time deciding which equipment was genuine and which was pirated. THE SOLUTION The Avient team proposed multiple solutions—including a laser-marking additive, an authentication additive, and colorant—bundled into a single Smartbatch™ concentrate.

Kahler (16) Page 16 • Shifted sales compensation practices to drive value and margin expansion • Significantly upgraded and added sales, marketing, and From Volume to Value $2,622 $3,060 Sales ($ millions) 2006 2011PFadded sales, marketing, and technical resources • Expanded global cross-selling • Invested in training and tools 2006 2011PF 3.3% 6.8% 2006 2011PF Adjusted OI% ($ millions) 2006 2011PF 2006 2011PF Page 17 • Value pricing practices enabled by use of EVE tools • Shifting the basis of competition to specialization 1.5% 8.9% 2006 2011PF Specialty OI% Specialization Drives Margin Expansion 2006 2011PF 7.2% PPS OI% competition to specialization differentiates PolyOne as a value-added solutions provider • Redirecting our technology and marketing focus to the most attractive segments 2.6% 5.6% 2006 2011 POD OI% 5.5% 7.2% 2006 2011 2006 2011 2006 2011 Page 18 • Global key account management team focused on key markets and strategic OEMs • Drive growth in target markets through application development750 1,120 Total Commercial Employees 2007 – 2011 49% Increase Commercial Excellence – Recent Investments *Includes ColorMatrix through application development • Leverage breadth of solutions across all PolyOne platforms to identify innovative solutions for strategic OEMs and Tier 1 partners * 750 2007 2011 Sales Marketing R&D/Tech Page 19 5% 1% 0% 27% 2% 12% 4% Performance Dashboards Drive Execution 45% 26% 18% 5% 55% Page 20 53% Drivers of Customer Loyalty Customer Experience is Key to Customer Loyalty 53% Building Customer Loyalty n = 4,960 B2B customers of 24 companies Source: Corporate Executive Board Company and Brand Impact Product and Service Delivery Value-to- Price Ratio Customer Experience 19% 9% 9% 19% 19% 9% Page 21 • Continue to redirect our focus to more attractive segments and increase customer loyalty and retention • Leverage new commercial tools and investments to enable disciplined execution and accountability Critical Imperatives to enable disciplined execution and accountability • Position PolyOne as the differentiated value-added specialty solutions provider Drive improved mix in all segments and achieve margin and profitability growth Page 22 Page 23

Microsoft Word - Avient Announces Registration Details for December 4th Investor Day _for Microsite 1 NEWS RELEASE FOR IMMEDIATE RELEASE Avient Announces Registration Details for December 4th Investor Day CLEVELAND – November 4, 2024 – Avient Corporation (NYSE: AVNT), a leading provider of specialized and sustainable materials solutions, will host an Investor Day for the investment community on Wednesday, December 4, 2024, beginning at 10:00 a.m. A webcast of the event can be also viewed live at www.avient.com/investors. 2 About Avient Avient Corporation (NYSE: AVNT) provides specialized and sustainable materials solutions that transform customer challenges into opportunities, bringing new products to life for a better world. Examples include: • Dyneema®, the world’s strongest fiber™, enables unmatched levels of performance and protection for end-use applications, including ballistic personal protection, marine and sustainable infrastructure and outdoor sports • Unique technologies that improve the recyclability of products and enable recycled content to be incorporated, thus advancing a more circular economy • Light-weighting solutions that replace heavier traditional materials like metal, glass and wood, which can improve fuel efficiency in all modes of transportation and reduce carbon footprint • Sustainable infrastructure solutions that increase energy efficiency, renewable energy, natural resource conservation and fiber optic / 5G network accessibility Avient is certified ACC Responsible Care®, a founding member of the Alliance to End Plastic Waste and certified Great Place to Work®.

Our customers value the breadth of our solutions as we can tap into a broad array of raw materials to solve their specific needs. WHAT WE DO: MATERIAL SCIENCE 4 CUSTOM FORMULATION We sell solutions not commodities. 32 We are a specialty formulator that enables many of the world’s products through innovation and custom solutions.

ERGONOMIC APPEAL AND REVENUES EXPAND WITH SPECIALTY SOLUTIONS CASE STUDY: VERSAFLEX™ THERMOPLASTIC ELASTOMERS Challe nge Accepted. The manufacturer sought high-performance material solutions to create these features and significantly improve the computer user’s experience. The Avient team worked with the manufacturer to meet specific property needs and developed a customized solution that added soft-touch, ergonomic, and friction-free features.

In addition to color series, custom solutions can be developed to fulfil specific application requirements. Full range of ADCA or ADCA free solutions. Solutions available for polyolefins and TPU.

Avient Corporation 4 Obtain 40% of electricity demand from renewable sources. 100% of technology platform projects will deliver sustainable solutions. Develop and implement solutions to end plastic waste while supporting AEPW $1.5B investment in key initiatives. 2030 SUSTAINABILITY TARGETS Avient Corporation 5 PRODUCTS 8 W A Y S W E H E L P C U S T O M E R S B E M O R E S U S T A I N A B L E TRENDS IN FOCUS Avient Corporation 6 RECYCLING / CIRCULAR ECONOMY LIGHTWEIGHTING ECO-CONSCIOUS SUSTAINABLE SOLUTIONS FOR THE CIRCULAR ECONOMY Avient Corporation 7 OPTICA™ TONERS FOR PET LACTRA™ SX LIGHT BLOCKING ADDITIVE FOR PET AMOSORB™ OXYGEN SCAVENGER FOR PET JOULE™ & SMARTHEAT™ INFRARED ABSORBER ULTIMATE™ UV LIGHT BARRIER CESA®-NATUR BIO-SOURCED ADDITIVES TRIPLE A™ ACETALDEHYDE SCAVENGER FOR PET IR SORTABLE BLACK FOR RECYCLABLE PACKAGING EZE™ SLIP AGENT FOR PET ONCOLOR™ NATURALS – COLORANTS FOR RECYCLABLE PACKAGING RESOUND™ OM THERMOPLASTIC ELASTOMERS VERSAFLEX™ POST- CONSUMER RECYCLED (PCR) TPE FORMULATIONS AVIENT CYCLEWORKS I N N O V A T I O N C E N T E R T O A D V A N C E T H E C I R C U L A R E C O N O M Y • Laboratory mimics real-world circular recycling in a research environment • Conducts chemistry testing to improve plastics recycling for customers • Screening and evaluation of additive and colorant systems during recycling • Collaboration platform for customers and value chain partners Avient Corporation 8 Avient Corporation 9 AVIENT ENABLES CUSTOMERS’ CIRCULAR ECONOMY GOALS C O L O R M A T R I X ™ P R O C E S S A I D & T O N E R F O R R E C Y C L E D P E T LIGHTWEIGHTING Avient Corporation 10 NYMAX™ NYLON FORMULATIONS HYDROCEROL® CHEMICAL FOAMING AGENTS POLYSTRAND™ TAPES AND LAMINATES COMPLĒT™ LFT ENGINEERED RESINS W H AT ’S H AP P E N IN G AV IE N T S O LU T IO N S PLASTICS ARE: AVIENT SOLUTIONS ENABLE LIGHTWEIGHT DASHBOARD SKINS H Y D R O C E R O L ® F O A M I N G A G E N T S O L U T I O N S Avient Corporation 11 ECO-CONSCIOUS Avient Corporation 12 ONCOLOR™ BRILLIANT METALLIC COLORANTS W H AT ’S H AP P E N IN G ONCOLOR™ WPC CAPSTOCK TECHNOLOGY ZODIAC™ AQUARIUS™ WATER BASED SCREEN PRINTING INKS MAGIQ™ FIBER COLORANTS & ADDITIVES SAFER & CLEANER MATERIALS RESOURCE CONSERVATION HUMAN HEALTH & SAFETY ECO-CONSCIOUS ALTERNATIVES AV I E N T S O LU T IO N S AVIENT ECO-CONSCIOUS SOLUTIONS IMPROVE FACE MASK PERFORMANCE Avient Corporation 13 M A G I Q ™ E L E C T R E T P L U S T E C H N O L O G Y Improved filtration efficiency Protects against aerosols & bacteria particles Increased shelf-life ENERGY INTENSITY 9% DECREASE WASTE INTENSITY 2% DECREASE WATER INTENSITY 20% DECREASE TOTAL CO2 EMISSIONS 29% DECREASE PLANET K E Y P E R F O R M A N C E I N D I C A T O R S 2 0 1 6 - 2 0 1 9 56 ENERGY REDUCTION PROJECTS SAVE 7400+ MT/CO2 ANNUALLY PUNE, INDIAASSESSE, BELGIUM Avient Corporation 14 • Avient is a founding member • Cross value chain collaboration • Driving breakthrough innovations REVENUE FROM SUSTAINABLE SOLUTIONS 2016 2017 2018 2019 2020PF VOC Reduction Reduced Energy Use Bio-derived Content Eco-conscious Renewable Energy Applications Recyclability Reduced Material Requirements Lightweighting $275M $325M $355M $410M $560M (1) Proforma to include a full year of Clariant Masterbatch business acquisitionAvient Corporation 16 Revenue from sustainable solutions expected grow at an 8-12% CAGR into the future (1) THANK YOU Avient Corporation 17