PVC PVC BARE PERFORMANCE Operating Temperature Range -55°C - 105°C Chemical Resistance P Flame Resistance P UV Resistance P Flex Properties P EXTRUSION FIBERS PROCESSES PRODUCTS PVDF BARE PERFORMANCE Operating Temperature Range -40°C - 140°C Chemical Resistance P Flame Resistance P UV Resistance P Flex Properties P PVDF MOVING HIGH PERFORMANCE FIBERS FORWARD LOCATIONS Headquarters, R&D, Manufacturing FIBER-LINE® LLC 3050 Campus Drive Hatfield, PA 19440 +1 215.997.9181 fiber@fiber-line.com Manufacturing Operations FIBER-LINE® LLC 280 Performance Drive SE Hickory, NC 28602 +1 828.326.8700 fiber@fiber-line.com EMEA & Asia Pacific Operations FIBER-LINE® INTERNATIONAL B.V.

POPULAR COATED STRENGTH MEMBERS MOVING HIGH PERFORMANCE FIBERS FORWARD LOCATIONS Headquarters, R&D, Manufacturing FIBER-LINE® LLC 3050 Campus Drive Hatfield, PA 19440 +1 215.997.9181 fiber@fiber-line.com Manufacturing Operations FIBER-LINE® LLC 280 Performance Drive SE Hickory, NC 28602 +1 828.326.8700 fiber@fiber-line.com EMEA & Asia Pacific Operations FIBER-LINE® INTERNATIONAL B.V.

TECHNICAL BULLETIN VERSAFLEX™ PF Tack Layer for Surface Protective Films Properties Versaflex PF MD6727 Versaflex PF MD6741 Versaflex PF MD6649 Versaflex PF 9512 Versaflex PF MD6666 Versaflex PF MD6748 Versaflex PF MD6700 Features Low Tack Low Tack; Used for tailoring tack with MD6700 Low-Medium Tack Value Offering Medium Tack Low Gel/Residuals Low Tack Build High Tack Peel Strength Low Low-Medium Medium Medium-High Medium-High High High Applications Optical Films Home Appliances Plastics Construction/Bare Metals Finished Metals Steel/Painted Metals Bare Metals MFR @ 190°C/2.16 kg -- 4.5 17 5.4 21 4.8 6.5 MFR @ 230°C/2.16 kg 10 20 -- -- -- -- -- Specific Gravity, g/cc 0.92 0.91 0.92 0.92 0.94 0.94 0.94 Hardness, Shore A 50 49 37 38 37 31 30 G' @ 23°C, Pa 28.0 x 105 10.4 x 106 8.3 x 105 -- 9.9 x 105 11.8 x 105 10.0 x 105 DMA Tg, °C -29 -30 -9 10 11 15 21 LDPE/Versaflex PF Film1 180° Peel, N/25mm Stainless Steel after 20 min @ 25°C 0.5 2.2 3.2 6.1 6.7 8.5 8.6 after 7 days @ 25°C 0.6 2.7 4.3 5.5 8.2 8.3 10.3 PMMA2 after 20 min @ 25°C 1.1 1.7 3.8 4.9 6.9 8.3 8.8 after 20 min @ 75°C 2.8 4.1 5.1 6.9 9.0 10.7 11.8 after 7 days @ 75°C 4.0 4.4 5.9 9.8 8.4 9.8 10.3 Polycarbonate3 after 20 min @ 25°C 1.4 2.2 3.8 6.8 6.3 8.4 7.0 after 20 min @ 75°C 3.4 4.8 6.7 8.8 8.8 10.0 11.8 after 7 days @ 75°C 4.6 6.5 7.5 10.6 11.6 10.6 13.8 1 Film thickness: 51 micron LDPE/25 micron Versaflex PF 2 Arkema Plexiglas™ V052-100 (Plexiglas is a trademark of Arkema France Corp.) 3 Sabic Lexan™ L52-111 (Lexan is a trademark of Sabic Innovative Plastics) PHYSICAL PROPERTIES OF SELECTED VERSAFLEX PF TACK LAYER FORMULATIONS PRODUCT DESCRIPTION Versaflex™ PF formulations are specially developed for the manufacture of co-extruded surface protective films that apply easily, maintain tack with minimal build, peel smoothly and remove completely with little-to-no residue or ghosting.

Si une modification a été notifiée au registre de commerce et des sociétés entre temps, il se peut qu'elle n'ait pas été prise en compte lors de l'émission de ce formulaire. [4] Le présent extrait est établi et signé électroniquement.

在很宽的频率范围仍保持稳定的射频性能 0,0 2,0 4,0 6,0 8,0 10,0 12,0 0 10 20 30 40 50 60 D ie le ct ri c co ns ta nt F requency [GHz ] PR E PE RM® PPE 95 0 PR E PE RM® PPE 80 0 PR E PE RM® PPE 44 0 PR E PE RM® PPE 32 0 PR E PE RM® PPE 26 0 生产过程中批次间的稳定性 * 2018 年芬兰有限公司VTT技术研究中心测量数据 介 电 常 数 损 耗 因 数 介 电 常 数 频率 [GHz] 频率 [GHz] 分批编号 （1250 kg/批次） PREPERM™ PPE950 PREPERM™ PPE800 PREPERM™ PPE440 PREPERM™ PPE320 PREPERM™ PPE260 -- 目标介电常数 -- +/- 2% 3,76 3,78 3,80 3,82 3,84 3,86 3,88 3,90 3,92 3,94 0 1 2 3 4 5 6 7 8 D ie le ct ri c co ns ta nt P a llet number (1250 k g/pa llet ) Die le ctric cons ta nt ta rge t +/- 2 % 0,000 0,002 0,004 0,006 0,008 0,010 0 10 20 30 40 50 60 Lo ss t a ng en t F requency [GHz ] PR E PE RM® PPE 95 0 PR E PE RM® PPE 80 0 PR E PE RM® PPE 44 0 PR E PE RM® PPE 32 0 PR E PE RM® PPE 26 0 0,000 0,002 0,004 0,006 0,008 0,010 0 10 20 30 40 50 60 Lo ss t a ng en t F requency [GHz ] PR E PE RM® PPE 95 0 PR E PE RM® PPE 80 0 PR E PE RM® PPE 44 0 PR E PE RM® PPE 32 0 PR E PE RM® PPE 26 0 0,000 0,002 0,004 0,006 0,008 0,010 0 10 20 30 40 50 60 Lo ss t a ng en t F requency [GHz ] PR E PE RM® PPE 95 0 PR E PE RM® PPE 80 0 PR E PE RM® PPE 44 0 PR E PE RM® PPE 32 0 PR E PE RM® PPE 26 0 1.844.4AVIENT www.avient.com 版权所有©2022 埃万特公司。

Rigid thermoplastics include both commodity thermoplastics and engineering thermoplastics, such as polypropylene (PP), polystyrene (PS), high impact polystyrene (HIPS), polycarbonate (PC), acrynitrile-butadiene-styrene (ABS), poly(ethylene terephthalate) (PET), poly(methylmethacrylate) (PMMA), styrene acrylonitrile (SAN), poly(phenylene oxide) (PPO), polyamide (PA), PC/ABS blend and PPO/PS blend etc..

Investor Day 2021 Shaping a Sustainable Future Bob Patterson Avient Corporation 4 End Market Transformation 5 Healthcare 4% Packaging 8% Consumer 10% Building & Construction 43% Transportation 14% Industrial 15% Energy 4% Telecom. 2% 2006 2021E Healthcare 14% Consumer 23% Building & Construction 10% Transportation 12% Industrial 16% Energy 2% Telecom. 4% Packaging 19% Avient Corporation Avient: Who We Are 39 22 9 34 • U.S. and Canada • Latin America • Europe, Middle East & Africa • Asia 25,000+ CUSTOMERS Headquartered in Avon Lake, OH (Cleveland) 8,600+ employees 100+ manufacturing plants Key Financial Data 2021E Sales $4.75 billion 2021E EBITDA $580 million 2021E EPS $3.00 87% of EBITDA from specialty applications >70% ARE CUSTOMIZED SOLUTIONS TO UNIQUE SPECIFICATIONS of sales Avient Corporation 6 46% 66% 87% 0% 20% 40% 60% 80% 100% 2005 2010 2015 2021E % o f A d ju st ed E B IT D A (1 ) JVs Performance Products & Solutions Distribution Specialty 7% (1) Adjusted EBITDA is EBITDA excluding corporate costs and special items (2) 2021 includes full synergies from Clariant color acquisition (2) Specialty Transformation Avient Corporation 7 CAI (1) Financial information is pro forma to include a full year of Clariant Color business acquisition 2.7% 15.2% 17.0% 2006 2019 2021E 1.8% 15.2% 17.6% 2006 2019 2021E (1) SEM • Continued portfolio transformation to high-growth end markets and sustainable solutions • Clariant synergy realization • Investments in composites and outdoor high performance applications drive growth and mix improvements Specialty EBITDA Margin Expansion Avient Corporation 8 (1) (1) We are a Formulator CUSTOM FORMULATION Avient Corporation 9 Sustainability for a Better Tomorrow *Avient Sustainable Solutions definitions aligned with FTC 2012 Guide for the Use of Environmental Marketing Claims (“Green Guides”) **2020 is Pro Forma to include full year of the Clariant Color business Revenue From Sustainable Solutions* 2016-2021 2016 2017 2018 2019 2020PF** 2021E $405M $455M $340M $550M $790M $930M $270 215 170 90 90 30 45 20 $930M2021E Sales ($ in millions) Avient Corporation 10 $0.13 $0.68 $0.82 $1.00 $1.31 $1.80 $1.96 $2.06 $2.21 $2.43 $1.51 $1.69 $1.93 $3.00 2009 2010 2011 2012 2013 2014 2015 2016* 2017* 2018 20182 2019 2020 2021E Pro Forma for sale of PP&S (1): Pro Forma for sale of DSS (2): Pro Forma for full year of the Clariant Color acquisition 2018(1) (1) (2) Adjusted EPS Growth Avient Corporation 11 $133 $205 2019PF 2021E Clariant Color: Transformational Acquisition 12 Clariant Color EBITDA Growth Purchase Price Multiple 10.8x 7.0x 6.0x 2019PF 2021E 2021E w/ Full Synergies • Acquisition of Clariant Color business significantly expanded presence in healthcare, packaging and consumer end markets • Strength of portfolio – double-digit annual EBITDA growth since acquisition • On-track to realize $52 million of expected synergies in 2021 • Acquisition completed on July 1, 2020 for $1.45 billion. Post-consumer recycled content as percentage of total plastic packaging volume, by weightAvient Corporation 36 37Avient Corporation T O P 5 G A P S T H A T W E A R E A D D R E S S I N G 2: DECONTAMINATION1: COLOR MANAGEMENT 3: MAINTAINING MECHANICAL PROPERTIES 4: MONO-MATERIAL CONSTRUCTION 5: CONSISTENT RECYCLED MATERIAL QUALITY Improving the Use of Recycled Content Avient Corporation 38 39Avient CORPORATION • Inconsistent base color of recycled materials • Lightest color recycled material in high demand for all applications ($$) • Even with clear/transparent materials, color degrades over repeated processing Our Solutions • OpticaTM Toners and Super-concentrated colorants to reduce and mask recycled material discoloration • SmartHeatTM reduces heat history to minimize yellowing • Color Simulation Tool to assist with color space design CHALLENGES OPPORTUNITIES • Stabilization of color fluctuation driven by variable recycled polymer • In-line color correction to optimize customer manufacturing efficiency RECYCLE COLOR QUALITY RANGE Avient Corporation 39 1: Color Management Recycled Material Restricts Color Options With virgin material, we can design across a broad color spectrum The darker the recycled materials, the more color design freedom is restricted This bright yellow is not achievable with high concentrations of dark recycled materials Avient can provide customer guidance on maximum recycle content possible and color concentration required to achieve desired color Avient Corporation 40 Case Study with Brand Owner Recycled Resin = Discolored Base Virgin Resin = Clean Color Base Degree of base discoloration limits recycle content Avient Corporation 41 The Plus Factor Opportunity I N C R E A S E D U S E O F R E C Y C L E D M A T E R I A L R E Q U I R E S M O R E C O L O R A N T A N D A D D I T I V E S Avient Corporation 42 $100M + 2: Decontamination Recycled material feedstocks are contaminated • Feedstock variability supplies the recycle process • Insufficient washing at recycler • Residual labels and printing inks cause quality and NIAS issues • Unpleasant recycled material odor (in processing and the final application) • Clean, food grade, recycled material availability in high demand • Reliable decontamination to reduce NIAS concerns • Full odor removal Our Solutions • CESATM Laser Marking to eliminate contaminating printing inks, labels and glue • AAzureTM process aids and scavengers to enable food and beverage taste purity in PET packaging • ProsureTM range of formulations to enable NIAS compliance and security (customer peace of mind) CHALLENGES NIAS = Non Intentionally Added Substances OPPORTUNITIES Avient Corporation 43 44 3: Maintaining Mechanical Properties • Mechanical properties of recycled materials degrade after multiple heat cycles • Today's recycling protocols only focus on one recycle loop…in reality, there will be several • Legislation and brand owners are targeting higher recycled material ratio incorporation and full circularity • Polymer quality stability over multiple loops to deliver circular recyclability • Stress cracking of recycled bottles • Upgrading performance of lower quality recycled materials • Specification and guided selection amongst highly variable recycled materials Our Solutions • CESATM antioxidants and process aids to enhance physical properties • SmartHeatTM reduces heat history to minimize yellowing • rePrize™ for PET polymer chain repair and extension CHALLENGES OPPORTUNITIES Avient Corporation 44 45 Multi-material packaging is harder to recycle • Contamination of polymer streams • Issues in sorting • Issues in separation • Trend is to restrict multi-material systems in favor of mono-material constructions • Improve recyclability of PET gas barriers • Barrier system development for Polyolefins • Recyclable barrier systems for film and sheet Our Solutions • Portfolio of compatibilizers to enable multilayer constructions • AmosorbTM to extend beverage shelf life by scavenging oxygen through the bottle wall • CaptureTM to extend product shelf life through oxygen scavenging but without contaminating the bottle • Lactra SX TM to prevent light-induced oxidation in liquid dairy products stored at higher temperatures OPPORTUNITIES CHALLENGES Avient Corporation 45 4: Mono-Material Construction 46 Brand Owners require a consistent brand identity • Inconsistent quality streams pose a challenge to delivering homogeneous product quality and aesthetics to the consumer • Brands demand recycled content, but with color/property consistency • Recyclers are challenged to fulfill needs from brand owners and convertors • Specification and selection of recycled material grades for targeted applications • Simulation of recycled material performance in the end-use application • Leverage re-formulation expertise to provide a consistent packaging product (color and mechanical properties) Our Solutions Our Service and Color Expertise differentiate Avient and allow us to support customers throughout the entire design process • Design for use: Color matching, Color design options • Recycle lot selection • Improving mechanical properties • Improving material processing OPPORTUNITIES CHALLENGES Closer customer collaboration to support recycle efforts Avient Corporation 46 5: Consistent Recycle Material Quality 2016 2021E Growth in Sustainable Solutions *Avient Sustainable Solutions definitions aligned with FTC 2012 Guide for the Use of Environmental Marketing Claims (“Green Guides”) Revenue From Sustainable Solutions* $340M $930M Avient Corporation 47 Future Revenue Growth Assumptions 8-12% CAGR Avient Corporation 48 Healthcare Cathy Dodd High-Impact, High-Growth Industry Medical Equipment / Devices 33% Drug Delivery 19% Medical Supplies 18% Labware 14% Packaging 8% Remote Monitoring 5% $225 $380 $685 2010 2016 2021E Healthcare Submarkets (2021E) Track Record of Sales Growth Personal Wellness 3% ($ millions) Avient Corporation 49 Our Foundation W E A R E P O S I T I O N E D T O W I N Relationships Innovative Solutions Differentiated Services 50Avient Corporation Trends in Healthcare S H A P I N G I N N O V A T I O N & S O L U T I O N S Improved Wellness & Connectedness Globalization & Localization Increasing Life Expectancy Self Management & Self Administration Technology Driving Diagnostic & Remote Monitoring COVID-19 Protection Avient Corporation 51 • Deep, trusted customer relationships • Well-positioned and entrenched in the Healthcare supply chain • Broad & differentiated capabilities • Positioned to respond & execute quickly COVID - 19 Protection A V I E N T W A S S E T A N D R E A D Y Avient Corporation 52 Aging Population T R E A T I N G C H R O N I C C O N D I T I O N S Of the U.S. population is aged 65 or older… and this number is growing Suffer from one or more chronic health conditions Avient Corporation 53 Aging Population T R E A T I N G C H R O N I C C O N D I T I O N S Increasing Life Expectancy Cardiology • 47% of Americans having at least one of three major risk factors for heart disease Diabetes • 193 million people with Type 2 diabetes and will grow to 252 million by 2026 at a 5% CAGR Neurology • Neurological disorders are the second leading cause of death globally, second only to heart disease Avient Corporation 54 Connected Health E X P A N S I O N O F M E D I C A L W E A R A B L E D E V I C E S Improved Wellness & Connectedness Application Opportunities • Flexible components to provide design aesthetics & proper functionality • Robust designs to meet regulatory requirements and perform over long product lifecycles • Patient comfort to promote ongoing use Avient Corporation 55 Remote Patient Monitoring T R A N S L A T I N G D E V I C E S F R O M H O S P I T A L S E T T I N G S T O H O M E Technology Driving Diagnostic & Remote Monitoring Application Opportunities • Durable, chemically-resistant devices to withstand impact in a home environment and exposure to a variety of household cleaners • Miniaturization of devices to fit into limited space in the home, while maintaining maximum functionality • Innovative, user-friendly designs and long-term aesthetics to provide patients with easy-to-use, high-quality, attractive devices in the home Avient Corporation 56 Self Management & Self Administration E N A B L I N G P A T I E N T S T O M A N A G E H E A L T H Self Management & Self Administration Application Opportunities • Combination of rigid & flexible materials to realize design potential and optimize device functionality • Superior chemical resistance to cleaners, disinfectants, hand oils, UV rays, and drugs to extend life of device • Reduced abrasion between mating components to ensure proper dosing • Regulatory-approved colorant and additives to provide branding and drug identification Avient Corporation 57 Trends are Shaping Innovation Professional / Clinic Patient / Home Avient Corporation 58 Avient Design D I F F E R E N T I A T E D S E R V I C E • Global product development support from industrial design through engineering and product launch • Extensive material, manufacturing, industry and value chain knowledge • Human-centric design skill, aligning product innovations with ergonomic needs • Product tear-down capabilities to provide customers with product optimization and cost reduction insights • 3D-printed prototypes and samples to accelerate product development Avient Corporation 59 IDEAIDEA PROOF OF CONCEPT PROOF OF CONCEPT DESIGNDESIGN TOOLINGTOOLING EVALUATIONEVALUATION LAUNCH & DELIVERY LAUNCH & DELIVERY Accelerating Speed to Market with Avient design Avient Corporation 60 Avient Design A U T O I N J E C T O R 61Avient Corporation Avient Design 62 A U T O - I N J E C T O R T E A R - D O W N Defined haptics and soft touch Stringent regulatory requirements Drug contact, mechanical sensitivity for dosing accuracy Lasermarking and laserwelding compatible Strict change control Avient Corporation Avient Design 63 A U T O I N J E C T O R I N N O V A T I O N Avient Corporation Avient Design 64 A U T O I N J E C T O R I N N O V A T I O N Easy to use Safe Quality Protect Ingredients Compliant Temperature Management Avient Corporation 65 Medical Grade TPE Healthcare Colorants High-Density Polymer Laser weldable formulation Laser marking additives Lubricated polymers Avient Corporation Easy to use Safe Quality Protect Ingredients Compliant Temperature Management Avient Design A U T O I N J E C T O R I N N O V A T I O N 17,645 29,445 2021E 2025E Source: BCC Research, Nov. 2020 (LBs millions) Healthcare Growth Outlook Avient Corporation 66 8-10% CAGR Future Revenue Growth AssumptionsMarket for Medical Plastics Investor Day 2021 Break Avient Corporation 68 Composites Chris Pederson $74 $84 $216 $212 $260 $5 $10 $32 $41 $50 0 10 20 30 40 50 60 70 2017 2018 2019 2020 2021E • Prior investments in composites platform and outdoor high performance applications continue to pay off driving substantial growth in 2021 ($ in millions) Composites • Composites will also drive our ability to deliver future revenue growth in excess of GDP Avient Corporation 69 Spotlight: Growth in Composites Composite Material Design Avient Corporation 70 Materials Structure Mfg ProcessPart Properties Lower weight Corrosion resistance Fatigue performance Tailor-ability Design flexibility Composite Material Forms Avient Corporation 71 Manufacturing Costs Continuous Fiber Thermosets Continuous Fiber Thermoplastics Design Flexibility Continuous Fiber Thermosets Continuous Fiber Thermoplastics Discontinuous Fiber Thermoplastics Performance Performance Discontinuous Fiber Thermoplastics Composites Portfolio D I V E R S E C A PA B I L I T I E S A N D S O L U T I O N S S E R V I N G M A N U FA C T U R E R S A N D O E M S LFT Tapes Laminates/Panels Shapes Pultrusion Engineered Fibers Avient Corporation 72 Powersports & Outdoor Gear B E N E F I T S O F C O M P O S I T E S STRUCTURAL COMPONENTS Material Replacement • Weight Reduction • Temperature Resistance • Impact Resistance BODY PANELS Paint Replacement • Weight Reduction • Scratch Resistance ADVENTURE GEAR Fatigue Resistance • Lightweight • Temperature Resistance • Impact Resistance Avient Corporation 73 Industrial & Energy B E N E F I T S O F C O M P O S I T E S HIGH PRESSURE PIPE Burst Strength • Corrosion Resistance • Lighter Weight GPS TRACKABLE PALLETS Weight Reduction • Increased Load • Stiffness POWER INFRASTUCTURE Corrosion Resistance • Electrical Insulation • Weight Reduction Avient Corporation 74 $31 $48 $66 $119 2009 2013 2017 2021E ($ millions) Avient Corporation 75 Spotlight: Growth at Fiber-Line Revenue • Fiber-Line business acquired on January 2, 2019 for $120 million • Specialty portfolio of fiber-optic cable applications primarily serving telecommunications end-market • Deep formulation expertise, innovative culture and global commercial presence will accelerate growth related to 5G infrastructure build out Avient Corporation 76 5G Technology Matt Reinhardt Evolution of 5G M E E T I N G S I G N I F I C A N T L Y E X P A N D I N G C O N N E C T I V I T Y N E E D S Avient Corporation 77 How FAST IS 5G?

• ColorWorks innovation centers are specially designed to foster imagination and enable creative exploration of innovative solutions • Focus on customers’ sustainability initiatives through recyclability and post-consumer recycled materials for packaging applications • Supports 8-12% long-term revenue growth expectations across our sustainable solutions portfolio 14 2020 Pro forma $870 $69 Sustainable Solutions 66 37% 26 Healthcare 29 20% 7 Composites 12 36% 6 Growth in Asia / LATAM 47 39% 11 Other 190 48% 22 Sub-total $1,214 40% $141 COVID Response Applications (15) (8) FX Impact 36 4 Synergies 11 Incentives, Travel, Other Employee Costs (26) 2021 Actual $1,235 42% $122 Q2 2021 ORGANIC SALES AND OPERATING INCOME (TOTAL COMPANY) 15 (1) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition Sales Growth Rate Adjusted Operating Income$ millions (1) 16 Q2 2020PF Q2 2021 (1) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition (2) Financial information is presented on a constant currency basis (1,2) (44% of total revenue) (56% of total revenue) Q2 END MARKET SALES PERFORMANCE +26% +38% +46% +103% +51% +9% +7% +67% Energy Telecom Building & Construction Transportation Industrial Healthcare Packaging Consumer Q2 YEAR-OVER-YEAR EBITDA BRIDGE Q2 2020 Pro forma $ 106 Demand 69 17 Adjusted EBITDA$ millions • Demand impact driven by growth in sustainable solutions and consumer products • Price increases more than offset raw material and supply chain impacts (1) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition (1) CAI: Price / Mix 40 Inflation (32) SEM: Price / Mix 23 Inflation (18) Distribution: Price / Mix 81 Inflation (77) Net Price Benefit 17 Supply Chain Disruptions (14) COVID Response Applications (8) Synergies 11 Incentives, Travel, FX, Other (22) Q2 2021 Actual $ 159     Q1 2021 Actual $ 161 CAI: Price / Mix 32 Inflation (22) SEM: Price / Mix 15 Inflation (9) Distribution: Price / Mix 50 Inflation (48) Net Price Benefit 18 Supply Chain Disruptions (12) Demand / Seasonality (6) Other (2) Q2 2021 Actual $ 15918 Adjusted EBITDA$ millions • Price increases more than offset raw material and freight inflation impacts • Demand impact driven by Q2 seasonality for the business Q1 TO Q2 SEQUENTIAL EBITDA BRIDGE     Q 3 AN D FU LL Y EA R 2021 O U TLO O K $74 $98 2020 2021E $0.46 $0.68 2020 2021E ORGANIC GROWTH PROJECTIONS – Q3 (TOTAL COMPANY) 20 Sales Adjusted Operating Income $925 $1,150 2020 2021E + 24% Adjusted EPS + 32% + 48% (in millions) (in millions) FULL YEAR GUIDANCE INCREASED 21 Sales Adj. APPENDIX Performance Additives 15% Pigments 15% TiO2 12% Dyestuffs 4%Polyethylene 10% Nylon 5% Polypropylene 4% Other Raw Materials 29% Styrenic Block Copolymer 6% ~1/3 hydrocarbon based (Grey shaded materials are hydrocarbon based, includes portion of “Other Raw Materials”) Non-hydrocarbon based materials 34 • In Q2 2021, several raw material markets experienced significant price inflation and tight inventory o Average cost of hydrocarbon based materials was up 45% year-over-year and 20% sequentially o Average cost of non-hydrocarbon based materials was up 10% year-over-year and 8% sequentially • Additionally, we experienced other supply chain challenges during Q2 related to raw material spot purchases, freight constraints and productivity loss as a result of these shortages Annual Purchases RAW MATERIAL AND SUPPLY CHAIN UPDATE Based on 2020 pro forma purchases, excludes Distribution business SEGMENT DATA U.S. & Canada 50% EMEA 26% Asia 16% Latin America 8% 2021 YTD SEGMENT, END MARKET AND GEOGRAPHY 36 GEOGRAPHY REVENUESEGMENT FINANCIALS Consumer 23% Packaging 20% Industrial 16% Building and Construction 9% Telecommunications 4% Energy 2% END MARKET REVENUE (1) Total company sales and EBITDA of $2,398M and $320M, respectively, include intercompany sales eliminations and corporate costs All charts reflect YTD financials through June 30 $1,234M $228M $457M $87M $767M $48M Sales EBITDA Distribution Specialty Engineered Materials Color Additives and Inks $320M$2,398M (1) Transportation 12% Healthcare 14% Packaging 34% Consumer 21% Healthcare 7% Industrial 16% Building & Construction 10% Transportation 9% Energy 2% Telecommunications 1% C O L O R , A D D I T I V E S & I N K S 2021 YTD REVENUE | $1 .2 BILL ION US & Canada 31% EMEA 42% Asia 21% Latin America 6% END MARKET REGION 37 All charts reflect 2021 YTD financials through June 30 S P E C I A LT Y E N G I N E E R E D M AT E R I A L S Consumer 28% Healthcare 10% Packaging 6% Telecommunications 16% Industrial 12% Transportation 11% Building & Construction 10% Energy 7% 2021 YTD REVENUE | $457 MILLION END MARKET US & Canada 54% EMEA 26% Asia 20% REGION 38 All charts reflect 2021 YTD financials through June 30 DI S TR IBU T I ON Healthcare 27% Consumer 22% Packaging 5% Industrial 20% Transportation 16% Building and Construction 8% Energy 1% Telecommunications 1% US & Canada 81% Asia 4% Latin America 15% END MARKET REGION K E Y S U P P L I ER S 2021 YTD REVENUE | $767 MILLION 39 All charts reflect 2021 YTD financials through June 30 TOTA L C O M PA N Y R E G I O N A L S A L E S BY END MARKET Packaging 30% Consumer 27%Healthcare 11% Industrial 15% Building & Construction 5% Telecommunications 2% Energy 2% Asia (16% of sales) Transportation 8% Packaging 32% Consumer 13% Healthcare 5% Industrial 18% Building & Construction 11% Telecommunications 5% Energy 4% EMEA (26% of sales) Transportation 12% 40 Consumer 25% Healthcare 19% Packaging 11% Industrial 16% Building & Construction 10% Telecommunications 4% Energy 2% US & Canada (50% of sales) Transportation 13% Packaging 40% Consumer 33% Healthcare 4% Industrial 10% Building & Construction 5% Telecommunications 1% LATAM (8% of sales) Transportation 7% All charts reflect 2021 YTD financials through June 30 Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except for per share data) Three Months Ended June 30, 2021 Reconciliation to Condensed Consolidated Statements of Income GAAP Results Special Items Adjusted Results Operating income $ 108.1 $ 14.2 $ 122.3 Income from continuing operations before income taxes $ 89.8 $ 14.2 $ 104.0 Income tax expense - GAAP (20.4) — (20.4) Income tax impact of special items — (3.4) (3.4) Tax adjustments — 0.9 0.9 Net income attributable to noncontrolling interests (0.6) — (0.6) Net income from continuing operations attributable to Avient shareholders $ 68.8 $ 11.7 $ 80.5 Net income / EPS $ 0.74 $ 0.13 $ 0.87 Weighted-average diluted shares 92.4 92.4 92.4 Three Months Ended September 30, 2020 Reconciliation to Condensed Consolidated Statements of Income GAAP Results Special Items Adjusted Results Operating income $ 33.5 $ 40.4 $ 73.9 Income from continuing operations before income taxes $ 5.3 $ 50.0 $ 55.3 Income tax expense - GAAP (2.7) — (2.7) Income tax impact of special items — (12.7) (12.7) Tax adjustments — 3.0 3.0 Net income attributable to noncontrolling interests (0.9) — (0.9) Net income from continuing operations attributable to Avient shareholders $ 1.7 $ 40.3 $ 42.0 Net income / EPS $ 0.02 $ 0.44 $ 0.46 Weighted-average diluted shares 91.9 91.9 91.9 Three Months Ended Year Ended December 31, Reconciliation to Pro Forma Adjusted EBITDA June 30, 2021 March 31, 2021 June 30, 2020 2020 2019 Net income from continuing operations – GAAP $ 69.4 $ 79.7 $ 23.4 $ 133.8 $ 75.7 Income tax expense 20.4 22.9 7.9 5.2 33.7 Interest expense 19.5 19.3 16.2 74.6 59.5 Depreciation and amortization from continuing operations 33.8 37.1 20.9 115.0 78.1 EBITDA $ 143.1 $ 159.0 $ 68.4 $ 328.6 $ 247.0 Special items, before tax 14.2 2.4 2.4 66.2 61.7 Interest expense included in special items — — (0.5) (10.1) — Depreciation and amortization included in special items 1.4 (0.5) (1.2) (3.2) — Adjusted EBITDA $ 158.7 $ 160.9 $ 69.1 $ 381.6 $ 308.7 Clariant MB pro forma adjustments(1) — — 37.0 75.1 133.2 Pro forma adjusted EBITDA $ 158.7 $ 160.9 $ 106.1 $ 456.7 $ 441.9 (1) Pro forma adjustments for the periods prior to the acquisition date (July 1, 2020) and to give effects to the financing for the acquisition 1 Reconciliation of EBITDA by Segment Three Months Ended June 30, Six Months Ended June 30, Year Ended December 31, 2021 2020 2021 2020 2019 2018 Sales: Color, Additives and Inks $ 624.4 $ 226.8 $ 1,233.7 $ 483.3 $ 1,502.9 $ 1,003.8 Specialty Engineered Materials 240.6 158.8 457.1 344.1 708.8 745.7 Distribution 404.4 238.8 767.1 528.3 1,110.3 1,192.2 Corporate and eliminations (34.2) (15.3) (60.4) (35.1) (79.9) (79.0) Sales $ 1,235.2 $ 609.1 $ 2,397.5 $ 1,320.6 $ 3,242.1 $ 2,862.7 Operating income: Color, Additives and Inks $ 86.3 $ 32.3 $ 175.1 $ 180.8 $ 147.4 $ 158.5 Specialty Engineered Materials 37.3 17.0 71.5 94.4 83.7 72.3 Distribution 23.7 14.6 47.7 69.5 75.4 71.5 Corporate and eliminations (39.2) (25.9) (65.8) (155.4) (149.7) (123.7) Operating income $ 108.1 $ 38.0 $ 228.5 $ 189.3 $ 156.8 $ 178.6 Items below OI in Corporate: Other income, net $ 1.2 $ 9.5 $ 2.7 $ 24.3 $ 12.1 $ (12.9) Depreciation & amortization: Color, Additives and Inks $ 25.3 $ 10.6 $ 52.6 $ 75.1 $ 42.7 $ 44.3 Specialty Engineered Materials 8.1 7.6 15.9 30.0 29.5 23.2 Distribution 0.2 0.1 0.4 0.7 0.5 0.7 Corporate and eliminations 0.2 2.6 2.0 9.2 5.4 4.4 Depreciation & Amortization $ 33.8 $ 20.9 $ 70.9 $ 115.0 $ 78.1 $ 72.6 EBITDA: Color, Additives and Inks $ 111.6 $ 42.9 $ 227.7 $ 255.9 $ 190.1 $ 202.8 Specialty Engineered Materials 45.4 24.6 87.4 124.4 113.2 95.5 Distribution 23.9 14.7 48.1 70.2 75.9 72.2 Corporate and eliminations (39.0) (23.3) (63.8) (146.2) (144.3) (119.3) EBITDA $ 143.1 $ 68.4 $ 302.1 $ 328.6 $ 247.0 $ 238.3 EBITDA as a % of Sales: Color, Additives and Inks 17.9 % 18.9 % 18.5 % 17.0 % 18.9 % 19.4 % Specialty Engineered Materials 18.9 % 15.5 % 19.1 % 17.6 % 15.2 % 14.8 % Distribution 5.9 % 6.2 % 6.3 % 6.3 % 6.4 % 5.7 % 2 Reconciliation of Pro Forma EBITDA - Color, Additives and Inks Three Months Ended June 30, Six Months Ended June 30, Year Ended December 31, 2021 2020 2021 2020 2019 2018 Sales: Color, Additives and Inks $ 624.4 $ 226.8 $ 1,233.7 $ 1,502.9 $ 1,003.8 $ 1,046.5 Clariant MB pro forma adjustments(1) — 261.1 — 540.4 1,118.6 1,209.8 Pro forma sales $ 624.4 $ 487.9 $ 1,233.7 $ 2,043.3 $ 2,122.4 $ 2,256.3 Operating income: Color, Additives and Inks $ 86.3 $ 32.3 $ 175.1 $ 180.8 $ 147.4 $ 158.5 Clariant MB pro forma adjustments(1) — 22.0 — 45.0 72.9 80.3 Pro forma operating income $ 86.3 $ 54.3 $ 175.1 $ 225.8 $ 220.3 $ 238.8 Depreciation & amortization: Color, Additives and Inks $ 25.3 $ 10.6 $ 52.6 $ 75.1 $ 42.7 $ 44.3 Clariant MB pro forma adjustments(1) — 15.0 — 30.1 60.3 61.2 Pro forma depreciation & amortization $ 25.3 $ 25.6 $ 52.6 $ 105.2 $ 103.0 $ 105.5 EBITDA Color, Additives and Inks $ 111.6 $ 42.9 $ 227.7 $ 255.9 $ 190.1 $ 202.8 Clariant MB pro forma adjustments(1) — 37.0 — 75.1 133.2 141.5 Pro forma EBITDA $ 111.6 $ 79.9 $ 227.7 $ 331.0 $ 323.3 $ 344.3 Pro forma EBITDA as a % of Sales 17.9 % 16.4 % 18.5 % 16.2 % 15.2 % 15.3 % (1) - Pro forma adjustments for the periods prior to the acquisition date (July 1, 2020) and to give effects of the financing for the acquisition Three Months Ended June 30, 2020 Reconciliation of Pro Forma Adjusted Earnings per Share Avient Special Items Adjusted Avient Clariant MB Pro Forma Adjustments(1) Pro Forma Adjusted Avient Sales $ 609.1 $ — $ 609.1 $ 261.1 $ 870.2 Operating income $ 38.0 $ 9.0 $ 47.0 $ 22.0 $ 69.0 Interest expense, net (16.2) — (16.2) (5.3) (21.5) Other income, net 9.5 (6.6) 2.9 — 2.9 Income taxes (7.9) 0.2 (7.7) (3.8) (11.5) Net income attributable to noncontrolling interests (0.4) — (0.4) — (0.4) Net income from continuing operations attributable to Avient shareholders $ 23.0 $ 2.6 $ 25.6 $ 12.9 $ 38.5 Weighted average diluted shares 91.8 Pro forma adjusted EPS $ 0.42 (1) - Pro forma adjustments for the periods prior to the acquisition date (July 1, 2020) and to give effects of the financing for the acquisition 3 Year Ended December 31, 2020 Reconciliation of Pro Forma Adjusted Earnings per Share Avient Special Items Adjusted Avient Clariant MB Pro Forma Adjustments(1) Pro Forma Adjusted Avient Sales $ 3,242.1 $ — $ 3,242.1 $ 540.4 $ 3,782.5 Operating income $ 189.3 $ 73.7 $ 263.0 $ 45.0 $ 308.0 Interest expense, net (74.6) 10.1 (64.5) (18.1) (82.6) Other income, net 24.3 (17.6) 6.7 — 6.7 Income taxes (5.2) (41.4) (46.6) (6.2) (52.8) Net income attributable to noncontrolling interests (1.8) — (1.8) — (1.8) Net income from continuing operations attributable to Avient shareholders $ 132.0 $ 24.8 $ 156.8 $ 20.7 $ 177.5 Weighted average diluted shares 90.6 Impact to diluted shares from January 2020 equity offering 1.5 Pro forma weighted average diluted shares 92.1 Pro forma adjusted EPS $ 1.93 (1) - Pro forma adjustments for the periods prior to the acquisition date (July 1, 2020) and to give effects of the financing for the acquisition Year Ended December 31, 2019 Reconciliation of Pro Forma Adjusted Earnings per Share Avient Special Items Adjusted Avient Clariant MB Pro Forma Adjustments(1) Pro Forma Adjusted Avient Sales $ 2,862.7 $ — $ 2,862.7 $ 1,118.6 $ 3,981.3 Operating income $ 156.8 $ 71.7 $ 228.5 $ 72.9 $ 301.4 Interest expense, net (59.5) — (59.5) (33.4) (92.9) Other income, net 12.1 (10.0) 2.1 — 2.1 Income taxes (33.7) (5.9) (39.6) (9.1) (48.7) Net income attributable to noncontrolling interests (0.2) — (0.2) — (0.2) Net income from continuing operations attributable to Avient shareholders $ 75.5 $ 55.8 $ 131.3 $ 30.4 $ 161.7 Weighted average diluted shares 77.7 Impact to diluted shares from January 2020 equity offering 15.3 Pro forma weighted average diluted shares 93.0 Pro forma adjusted EPS $ 1.74 (1) - Pro forma adjustments for the periods prior to the acquisition date (July 1, 2020) and to give effects of the financing for the acquisition 4 AVNT Seaport Conference Presentation.pdf AVNT Q2 2021 Earnings Presentation - Website.pdf AVNT Q2 2021 Earnings Presentation - Website.pdf Final - 7.19 1158am Q2 21 IR Deck Version v2

产品适用于BOPET、APET、PE、PP和PA 等不同树脂 可提供不同的加工方式，如吹膜、流延、 双向拉伸、片材挤出等 产品主要用于食品、饮料、消费品及工业 软性材料 添加量取决于具体的要求和应用 根据客户的颜色要求量身定制 品牌： • CESA™ • ColorMatrix™ • HIFORMER™ • OnCap™ • RENOL™

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