APPLICATION BULLETIN STRENGTH & FLEX Excellent Dimensional Stability, High Stiffness, Impact Resistance SOLUTION: Short & Long Fiber Formulations, Continuous Fiber Composite Tapes & Laminates DURABILITY Density, Stiffness, Strength SOLUTION: Short & Long Fiber Formulations SURFACE PROTECTION Performance Enhancements, Chemical Resistance SOLUTION: Scratch & Mar Resistance, UV Stable Additives TACTILE EXPERIENCE Soft Touch, Slip Resistance SOLUTION: Thermoplastic METAL REPLACEMENT High Stiffness-to-Weight Ratio, Lightweighting, Buoyancy SOLUTION: Continuous Filament Winding Technology EXTREME PERFORMANCE Waterproof Seals & Closures SOLUTION: Thermoplastic DYNAMIC COMFORT Durability, Customization, Shock Absorption SOLUTION: Thermoplastic Elastomers COLOR RESILIENCE Excellent Adhesion to Substrates, Weatherability SOLUTION: Plastisol Textile Inks FUNCTIONALITY High Stiffness, Structural Integrity, Metal Replacement SOLUTION: Short & Long Fiber Formulations, Continuous Fiber Composite Tapes & Laminates AESTHETIC APPEAL Custom Colors, Patterns & Tones SOLUTION: Custom Polymer Colorants, Specialty Additives RESILIENCE Weatherability, Longevity SOLUTION: Specialty Engineered Polymer Formulations STEM TO STERN OUTSTANDING FROM Explore the many ways polymers can help you innovate to meet evolving consumer demands and create thoughtfully designed paddlesports products that set your brand apart.

Platform operating income mix percentage 2005Y* 2008Y* 2010Y* YTD 2013 Global Specialty Engineered Materials $ 0.4 $ 17.6 $ 49.7 $ 48.2 Global Color, Additives and Inks 4.3 28.1 37.7 83.4 Designed Structures and Solutions - - - 21.4 Specialty Platform $ 4.7 $ 45.7 $ 87.4 $ 153.0 Performance Products and Solutions 75.7 31.3 54.0 41.8 Distribution 19.5 28.1 42.0 49.7 SunBelt Joint venture 91.9 28.6 18.9 - Corporate (51.5) (425.1) (27.7) (61.7) Operating income (loss) GAAP $ 140.3 $ (291.4) $ 174.6 $ 182.8 Less: Corporate operating expense 51.5 425.1 27.7 61.7 Operating income excluding Corporate $ 191.8 $ 133.7 $ 202.3 $ 244.5 Specialty platform operating mix percentage 2% 34% 43% 63% * Historical results include the Resin and Specialty Coatings businesses within the Performance Products and Solutions segment. Platform sales and operating income (OI) 2006Y* YTD 2013 Organic’ Acquisitions** YTD 2013’ Consolidated Global Specialty Engineered Materials Sales $ 345.3 $ 427.2 $ 113.6 $ 540.8 Global Color, Additives and Inks Sales 531.8 608.0 45.7 653.7 Designed Structures and Solutions Sales - - 428.2 428.2 Specialty Platform Sales $ 877.1 $ 1,035.2 $ 587.5 1,622.7 Performance Products and Solutions Sales 1,166.2 473.6 39.2 512.8 PolyOne Distribution Sales 732.8 818.1 - 818.1 Corporate and eliminations (153.7) (106.0) - (106.0) Total Sales $ 2,622.4 $ 2,220.9 $ 626.7 $ 2,847.6 Global Specialty Engineered Materials OI $ 3.9 $ 46.1 $ 2.1 $ 48.2 Global Color, Additives and Inks OI 8.9 78.0 5.4 83.4 Designed Structures & Solutions OI - - 21.4 21.4 Specialty Platform OI $ 12.8 $ 124.1 $ 28.9 $ 153.0 Performance Products and Solutions OI 64.2 38.1 3.7 41.8 PolyOne Distribution OI 19.2 49.7 - 49.7 Sunbelt Joint Venture OI 102.9 - - - Corporate and eliminations (4.6) (39.5) - (39.5) Special items in OI 39.1 (22.2) - (22.2) Operating income GAAP $ 233.6 $ 150.2 $ 32.6 $ 182.8 Sunbelt equity income (107.0) - - - Special items in OI (39.1) 22.2 - 22.2 Operating income adjusted $ 87.5 $ 172.4 $ 32.6 $ 205.0 Global Specialty Engineered Materials - OI % of sales 1.1% 10.8% 1.8% 8.9% Global Color, Additives and Inks - OI % of sales 1.7% 12.8% 11.8% 12.8% Designed Structures & Solutions - OI % of sales - - 5.0% 5.0% Specialty platform OI - % of sales 1.5% 12.0% 5.0% 9.4% PP&S operating OI - % of sales 5.5% 8.0% 9.4% 8.2% Distribution OI - % of sales 2.6% 6.1% - 6.1% PolyOne OI adjusted - % of sales 3.3% 7.8% 5.2% 7.2% * Historical results include the Resin and Specialty Coatings businesses within the Performance Products and Solutions segment. ** Spartech and Glasforms results for the nine months ended September 30, 2013. Three Months Ended ‘’’’’September 30, Platform operating income “””””””2013 2012 (a) Global Specialty Engineered Materials $ 15.7 $ 13.1 Global Color, Additives and Inks 28.7 18.6 Designed Structures and Solutions 10.9 – Specialty Platform 55.3 31.7 Performance Products and Solutions 14.3 12.3 PolyOne Distribution 16.6 16.4 Corporate and eliminations (24.6) (16.9) Operating income $ 61.6 $ 43.5 (a) Adjusted to reflect the resins business as a discontinued operation.

EPS $0.14 $2.67 $3.04 TOP-TIER SUSTAINABILITY PERFORMANCE AND RECOGNITION Industry Sustainability Standards 90th percentile 84th ESG Ratings Performance 1 14 PEOPLE C U L T U R E I S E V E R Y T H I N G Community Service 7x Safer than Industry Average World-Class Safety Leadership Development Over $17 million raised since 2010 Diversity & Inclusion 15 2022 RE SU LT S Q4 EBITDA BRIDGE (PRO FORMA TOTAL COMPANY) 17 $ millions CAI: Price / Mix 42 Inflation (20) SEM: Price / Mix 14 Inflation (10) Net Price Benefit 26 Wage and Energy Inflation (13) Clariant Color Integration Synergies 4 Incentives, Other Employee Costs 21 FX (10) Q4 2022 $107 Adjusted Q4 2021 $ 132 Demand (50) Russia Import Sales (3) • Demand contraction especially prevalent in EMEA and Asia • Pricing continues to cover inflation of raw materials, wages and energy PROVEN TRACK RECORD OF STRONG AND IMPROVING FREE CASH FLOW GENERATION 18 • Periods of economic weakness have driven higher levels of cash generation due to working capital management • Anticipate continued strong free cash flow generation and conversion despite global uncertainty 78% 78% 80% 80% 81% 78% 84% 83% 80% 0% 30% 40% 50% 60% 70% 80% 90% 2014 2015 2016 2017 2018 2019 2020 2021 2022 0 50 100 150 200 250 300 350 400 re e as h F lo w C o n ve rs io n re e as h F lo w FCF $ AVNT FCF Conversion % S&P FCF Conversion % Note: Free cash flow conversion calculated as (Adjusted EBITDA – Capex) / Adjusted EBITDA. 2020 is pro forma for Clariant Color and 2022 is pro forma for Avient Protective Materials $600 $592 $3.02 $3.04 FULL YEAR 2022 PERFORMANCE (TOTAL COMPANY PRO FORMA) 19 Sales Adjusted EBITDA $3,712 $3,653 -2% Adjusted EPS -1% + 1% (in millions) (in millions) (+4% excluding FX) (+5% excluding FX) (+9% excluding FX) FULL YEAR 2022 SEGMENT PERFORMANCE 20 CAI $2,402 $2,355 $409 $402 SEM Pro Forma $1,308 $1,300 $278 $272 (+4% excluding FX) - 2% -1% (+5% excluding FX) - 2% (+4% excluding FX) - 2% (+2% excluding FX) PRO FORMA FULL YEAR EPS BRIDGE 21 Pro Forma 2021 Adjusted EPS 3.02$ Foreign Currency (0.23) Russia Import Sales (0.07) Outdoor High Performance (0.13) Color, Additives and Inks 0.18 Specialty Engineered Materials 0.24 Corporate Costs / Other 0.03 Pro Forma 2022 Adjusted EPS 3.04$ FULL YEAR EBITDA BRIDGE (PRO FORMA TOTAL COMPANY) 22 $ millions CAI: Price / Mix 247 Inflation (176) SEM: Price / Mix 121 Inflation (77) Net Price Benefit 115 Wage and Energy Inflation (47) Clariant Color Integration Synergies 23 Incentives, Other Employee Costs 43 FX (34) Full Year 2022 $592 Adjusted Full Year 2021 $ 600 Demand (99) Russia Import Sales (9) • Demand primarily impacted by China lockdowns, 4th quarter industrywide destocking and declining consumer sentiment • Pricing outpaced inflation of raw materials, wages and energy 2023 G U IDA N CE $125 $530 $0.55 $2.40 2023 GUIDANCE 24 Sales Adjusted EBITDA $845 $3,450 Adjusted EPS (in millions) (in millions) CASH FLOW / BALANCE SHEET 25 • IT investment to further integrate acquired businesses and capture operational efficiencies • Restructuring actions to streamline operations and improve profitability, primarily in Europe ($ millions) 2023E Cash Flow from Operating Activities 350$ Less: Run-Rate CapEx (110) CapEx for IT System Upgrade (25) CapEx for Restructuring (15) Total CapEx (150) Free Cash Flow 200$ Adjusted EBITDA 530$ Net Debt / Adjusted EBITDA 2.9x K E Y G R O W T H D R I V E R S A N D T R A N S F O R M E D P O R T F O L I O GROWTH DRIVERS: PROVEN SUCCESS 27 (1) Pro forma for the acquisition of Avient Protective Materials (APM) COMPOSITES $51 $84 $212 $668 HEALTHCARE $108 $113 $231 $293 8-10% ASIA/EMERGING REGIONS $265 $358 $726 $830 $340 $455 $790 $1,175 SUSTAINABLE SOLUTIONS 8-12% (1) (1)(1) (Sales in $ millions) #1 Color Formulator Dyneema® - World’s Strongest Fiber™ #1 in Composites applications for outdoor high performance #1 in Performance Inks Customized solutions 140+ PhDs on staff Rapid development of innovative products Extensive patent (2,500+) portfolio 33% Vitality Index Better-positioned toward stable, high-growth end markets Consumer, packaging, healthcare and defense comprise nearly 60% of sales Agnostic to raw materials, helping all customers achieve their goals Broad portfolio of diversified sustainable solutions 90%+ of our innovation pipeline invested in sustainable solutions Long-term growth rate well above GDP with expectations of 8-12% LEVERAGING OUR TRANSFORMED PORTFOLIO 28 Building & 4% Telecom. 2022 PF $3.65B sales Leading Positions Sustainable SolutionsDiversified IndustriesSpecialty Formulator (1) 2022 Pro forma for the acquisition of Avient Protective Materials (2) 2020 Pro forma for the acquisition of Clariant Color (1)(2) $340M $455M $790M 2016 2018 2020PF 2022PF $1,175M P EE R C O M PAR IS O N S AVIENT IS ASSET LIGHT Capex / Revenue 2023E (%) Avient Specialty Other Specialty / Note: Avient reflects 2023 estimated revenue of $3,450 and estimated run-rate CAPEX of $110M. 30 2 4 4 5 5 5 6 7 7 FREE CASH FLOW CONVERSION Note: Free cash flow conversion calculated as (Adjusted EBITDA – Capex) / Adjusted EBITDA. Avient 2011 and 2018 valuations reflect trailing 12 months EBITDA at December 31 of the respective years. 32 EV / 2023E EBITDA Historic Multiple 6.5 8.3 10.0 15.6 13.9 13.7 12.8 9.5 18.0 17.5 12.3 10.2 9.7 8.8 8.4 5.9 (2 01 1) (2 01 8) RA W M AT ER IA L OVE RV IE W 34 RAW MATERIAL 2022 ANNUAL PURCHASES Performance Additives 16% Pigments TiO2 Dyestuffs 2% Polyethylene Nylon Polypropylene Styrenic Block Copolymer Other Raw Materials 30% ~40% hydrocarbon based (Grey shaded materials are hydrocarbon based, includes portion of “Other Raw Materials”) Non-hydrocarbon based materials Excludes Avient Protective Materials SEGMENT DATA U.S. & Canada 40% 37% 18% Latin America 2022 PRO FORMA SEGMENT, END MARKET AND GEOGRAPHY GEOGRAPHY REVENUESEGMENT FINANCIALS Building and END MARKET REVENUE (1) Total company adjusted EBITDA of $592M includes corporate costs $2,355M $402M $1,300M $272M Sales EBITDA Specialty Engineered Materials Color Additives and Inks $592M$3,653M 36 C O L O R , A D D I T I V E S & I N K S 2022 REVENUE | $2 .4 B ILL ION US & Canada 34% 38% Latin America END MARKET REGION 37 34% 21% Building & 1% Energy 2% 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 2022 PRO FORMA REVENUE | $1 .3 B ILL ION END MARKET US & Canada 52% 35% REGION 38 19% 8%Industrial 16% Building & 32% 27% 14% Building & 3% 1% Defense 1% (18% of sales) 2022 PROFORMA AVIENT REGIONAL SALES BY END MARKET 27% 14% 17% Building & (37% of sales)Transportation Building & US & Canada (40% of sales) 7% 56% 23% 7% Building & 1% LATAM (5% of sales) 3% 39

The tables in the next pages contain all Avient UL94 recognized color concentrates published on UL prospector until March 2021. For most updated information please refer to Avient UL recognized color concentrate file QMQS2 E73454. For V-0, V-1, V-2, 5VA and 5VB, the color concentrates have to be listed with reference to specific resin grades.

 Addressable market exceeds $40 billion  Strong performance demonstrates that our strategy and execution are working  Megatrends and emerging opportunities align with our strengths  Innovation and services provide differentiation, incremental pricing power, and competitive advantage  Strong and proven management team driving growth and performance PolyOne Corporation Page 18 Appendix PolyOne Corporation Page 19 $0.17 $0.22 $0.24 $0.31 $0.44 $0.46 $0.00 $0.25 $0.50 Q1'10 Q1'11 Q1'12 Q1'13 Q1'14 Q1'15 Adjusted EPS $30 $34 $25 $30 $35 Q1 2014 Q1 2015 GCAI Operating Income (in millions) $18 $23 $15 $20 $25 Q1 2014 Q1 2015 GSEM Operating Income (in millions) Q1 2015 Financial Highlights  Global Specialty Engineered Materials’ operating margin of 16.3% above the 2015 target  Global Color Additives and Inks’ operating margin grew to 16.2%  First quarter adjusted EPS has grown on average 23% per year since 2010 +26% +11% PolyOne Corporation Page 20 Building & 7% Electrical & 1% 31% Textiles 7% 12% 1.7% 4.6% 5.1% 5.5% 7.2% 8.1% 9.7% 12.2% 16.2% 20%+ 2006 2007 2008 2009 2010 2011 2012 2013 2014 Q1 2015 2020 Operating Income % of Sales At a Glance Global Color, Additives and Inks 2014 Revenues: $0.9 Billion Solutions Expanding Profits 2014 Revenue by Industry Segment 14.7% Platinum Vision 36% PolyOne Corporation Page 21 4% Building & 18% Electrical & 16% At a Glance Global Specialty Engineered Materials 2014 Revenues: $0.6 Billion Solutions 2014 Revenue by Industry Segment Expanding Profits 1.1% 1.3% 3.4% 5.1% 9.6% 8.0% 8.6% 9.3% 16.3% 20%+ 2006 2007 2008 2009 2010 2011 2012 2013 2014 Q1 2015 2020 Operating Income % of Sales Platinum Vision 12.1% 33% 19% PolyOne Corporation Page 22 2% Building & 23% 27% 30% 96% At a Glance Designed Structures and Solutions Solutions 2014 Revenues: $0.6 Billion Expanding Profits 2014 Revenue by Industry Segment 1.4% 5.6% 7.3% 2.7% 12-14% 2012 2013 2014 Q1 2015 2020 Operating Income % of Sales Platinum Vision PolyOne Corporation Page 23 Building & 33% 5% Electrical & 1% 11% 18% 16% 5.5% 6.9% 3.8% 3.6% 5.5% 4.3% 6.3% 7.2% 6.5% 2006 2007 2008 2009 2010 2011 2012 2013 2014 Q1 2015 2020 Operating Income % of Sales At a Glance Performance Products and Solutions Solutions Expanding Profits 2014 Revenues: $0.8 Billion 10-12% Platinum Vision 2014 Revenue by Industry Segment 7.7% PolyOne Corporation Page 24 Building & 13% Electrical & 23% 15% 25% 2.6% 3.0% 3.5% 4.0% 4.6% 5.6% 6.4% 5.9% 5.9% 6.5-7.5% 2006 2007 2008 2009 2010 2011 2012 2013 2014 Q1 2015 2020 Operating Income % of Sales 15% 50% 2006 Q1 2015 At a Glance Distribution Key Suppliers 2014 Revenues: $1.1 Billion ROIC Expanding Profits 6.1% Platinum Vision http://www.polyone.com/Pages/VariationRoot.aspx PolyOne Corporation Page 25 2 lbs Plastic = 3 lbs aluminum or 8 lbs steel or 27 lbs glass 33% less material by weight than aluminum 75% less material by weight than steel 93% less material by weight than glass Requires 91% less energy to recycle a pound of plastic versus a pound of paper Source: SPI: Sustainability and the Plastics Industry Plastics: Key to Future Sustainable Development PolyOne Corporation Page 26 Commitment to Operational Excellence 81% 93% 2006 2014 16.2% 9.9% 2006 2014 On-Time Delivery Working Capital % of Sales 5% 43% 2006 2014 Percent of Associates Trained in LSS  Four consecutive years – CFO Magazine Best Working Capital Management in the chemical industry World’s Best Business Process Excellence Program in 2012*  103 trained Black Belts  247 trained Green Belts  127 trained Kaizen Leaders World’s Best Start-up Program for Lean Six Sigma Deployment in 2009* *Both awards received from International Quality and Productivity Center PolyOne Corporation Page 27 Application Examples PolyOne Corporation Page 28  $1.5 billion attractive, growing market  Additives improve performance and reduce cost through light-weighting, reduced waste, faster cycle times, and extended shelf life of finished product  Aligned with megatrend of protecting the environment:  Sustainability benefits include lower package weight and improved recyclability of package at end of use Market Opportunity Leading Global Supplier of Additives In Growing PET Market Shelf-life extension Greater product consistency Recyclability and reduced carbon footprint Color and Special Effects Weight reduction Enhanced product aesthetics High heat resistance PET Bottling Technology 0.0 10.0 20.0 30.0 40.0 50.0 60.0 70.0 2009 2014 2019 Asia Pacific North America Latin America Western Europe Eastern Europe Middle East and Africa Global PET Packaging Growth 2009-2019 Source: Euromonitor retail off-trade consumption (PET bottles & jars, home care, personal care, food & non-alcoholic beverages) B ill io n un its 5% CAGR PolyOne Corporation Page 29 • Includes formulation and consultative services to assist manufacturers and brand owners in positively identifying their finished goods • Protects brand equity & consumer welfare • Reduces exposure to unwarranted recall expenses • Secures supply chain integrity – support for safe expansion into new geographies Authentication Technology PolyOne Corporation Page 30 • Color harmonization across 15 unique color-and-polymer combinations • Eliminated need for multiple pre- colored materials • Reduced Land Rover’s working capital 2015 Range Rover Evoque Interior PolyOne Corporation Page 31 • Reduced health and environmental impact • System cost reduction • Radiation-shielding performance • Parts consolidation • Design freedom CT Scanner PolyOne Corporation Page 32 Metal Replacement Solutions • Replaces metal in LED lighting • Extends LED durability and life span eliminating hot spots • Greater design flexibility with fewer parts • Weight reduction • Simplifies manufacturing and lowers total production cost PolyOne Corporation Page 33 Next Generation Solar Charger • Ginkgo Solar Tree charger utilizing our unique reSound™ material • reSound™ is a durable material consisting of 50% bio-derived plastic and 50% traditional petroleum-based plastic • Use of reSound™ reduced the carbon footprint for this product by 35% • reSound™ Is classified as a PolyOne Sustainable SolutionSM PolyOne Sustainable SolutionSM PolyOne Corporation Page 34 High-Barrier Packaging Containers • Capability to extrude up to 13 layers • Strong oxygen and moisture vapor transmission protection • Can be made symmetrical or asymmetrical to meet customized needs of broad variety of applications • Barrier protection and superior organoleptic properties PolyOne Corporation Page 35 Aerospace Applications • Leading provider of specialty materials for the aerospace industry • Typical applications  Mil-spec aircraft windows, canopies, windscreens, instrument panels, wingtip lenses  Interior – gallery furnishings, tray tables, arm rests, trim strips, joint/edge coverings • Benefits:  High impact strength  Resistant to UV rays  Flame and smoke compliance  Easy to clean with aggressive cleaners; anti-microbial grades available  Range of sizes, thicknesses, colors, etc. Platform operating income mix percentage 2005* 2006* 2007* 2008* 2009* 2010* 2011 2012 2013 2014 2015 Q1 Global Color, Additives and Inks $ 4.3 $ 8.9 $ 25.7 $ 28.1 $ 25.2 $ 37.7 $ 50.2 $ 75.3 $ 104.0 $ 124.9 $ 33.8 Global Engineered Materials 0.4 3.9 4.9 17.6 20.6 49.7 45.9 47.0 57.2 72.4 23.1 Designed Structures and - - - - - - - - 33.4 45.1 3.2 Platform $ 4.7 $ 12.8 $ 30.6 $ 45.7 $ 45.8 $ 87.4 $ 96.1 $ 122.3 $ 194.6 $ 242.4 $ 60.1 Performance Products and 75.7 64.2 65.8 31.3 33.1 54.0 27.7 38.8 56.0 63.1 11.5 Distribution 19.5 19.2 22.1 28.1 24.8 42.0 56.0 66.0 63.3 68.2 15.7 Joint ventures 91.9 102.9 34.8 28.6 25.5 18.9 5.0 - - - - Corporate and eliminations (51.5) 34.5 (73.3) (425.1) 7.9 (27.7) 18.2 (89.6) (82.4) (218.6) (17.2) Operating income (loss) GAAP $ 140.3 $ 233.6 $ 80.0 $ (291.4) $ 137.1 $ 174.6 $ 203.0 $ 137.5 $ 231.5 $ 155.1 $ 70.1 Less: Corporate operating expense 51.5 (34.5) 73.3 425.1 (7.9) 27.7 (18.2) 89.6 82.4 218.6 17.2 Operating income excluding Corporate $ 191.8 $ 199.1 $ 153.3 $ 133.7 $ 129.2 $ 202.3 $ 184.8 $ 227.1 $ 313.9 $ 373.7 $ 87.3 platform operating mix percentage 2% 6% 20% 34% 35% 43% 52% 54% 62% 65% 69% * Historical results have not been restated for the Resin business divestiture or the related resegmentation. Appendix Q1 2015 Financial Highlights At a Glance�Global Color, Additives and Inks At a Glance�Global Specialty Engineered Materials At a Glance�Designed Structures and Solutions At a Glance�Performance Products and Solutions At a Glance�Distribution Plastics: Key to Future Sustainable Development Commitment to Operational Excellence Application Examples Slide Number 28 Authentication Technology 2015 Range Rover Evoque Interior Slide Number 31 Metal Replacement Solutions Next Generation Solar Charger High-Barrier Packaging Containers Aerospace Applications Credit Suisse - June 25 2015 r2 Credit Suisse - June 25 2015

Color, Color and More Color Manufacturers of equipment and apparel agree—a crisp pop of bright color adds just the right amount of visual interest needed to grab attention. Help them customize with materials that fit a wide variety of needs—from colors and patterns to textures and soft touch materials—and keep you ahead of the pack

The company noted the following segment highlights: The Color, Additives and Inks segment delivered record operating income of $89 million during the first quarter, a 40% increase over the prior year. Sales: Color, Additives and Inks $ 609.3 $ 256.5 Specialty Engineered Materials 216.5 185.3 Distribution 362.7 289.5 Corporate and eliminations (26.2) (19.8) Sales $ 1,162.3 $ 711.5 Gross margin: Color, Additives and Inks $ 197.5 $ 89.4 Specialty Engineered Materials 64.7 52.6 Distribution 39.3 33.6 Corporate and eliminations 0.9 (4.1) Gross margin $ 302.4 $ 171.5 Selling and administrative expense: Color, Additives and Inks $ 108.7 $ 48.9 Specialty Engineered Materials 30.5 30.3 Distribution 15.3 14.2 Corporate and eliminations 27.5 25.3 Selling and administrative expense $ 182.0 $ 118.7 Color, Additives and Inks $ 88.8 $ 40.5 Specialty Engineered Materials 34.2 22.3 Distribution 24.0 19.4 Corporate and eliminations (26.6) (29.4) Operating income $ 120.4 $ 52.8 Earnings Before Interest, Taxes, Depreciation and Amortization (EBITDA): Color, Additives and Inks $ 116.2 $ 51.4 Specialty Engineered Materials 42.0 29.8 Distribution 24.2 19.5 Corporate and eliminations (24.9) (28.0) Other income, net 1.5 1.6 EBITDA $ 159.0 $ 74.3 12 Attachment 7 Reconciliation of Non-GAAP Financial Measures (Unaudited) Senior management uses gross margin before special items and operating income before special items to assess performance and allocate resources because senior management believes that these measures are useful in understanding current profitability levels and how it may serve as a basis for future performance. Reconciliation of Pro Forma Adjusted Earnings per Share: Three Months Ended Net income from continuing operations attributable to Avient shareholders $ 33.1 Special items, after tax (Attachment 3) 8.6 Adjusted net income from continuing operations excluding special items 41.7 Clariant MB pro forma adjustments to net income from continuing operations(2) 7.8 Pro forma adjusted net income from continuing operations attributable to Avient shareholders $ 49.5 Weighted average diluted shares 86.7 Pro forma impact to diluted shares from January 2020 equity offering 6.1 Pro forma weighted average diluted shares 92.8 Adjusted EPS - excluding special items pro forma for Clariant MB acquisition $ 0.53 December 31, 2020 Reconciliation of Pro Forma Adjusted Earnings per Share: Avient Special Adjusted Clariant MB Pro Forma Adjustments(2) Pro Forma Adjusted 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 (2) Pro forma adjustments for the periods prior to the acquisition date (July 1, 2020) and to give effects to the financing for the acquisition 14 December 31, 2019 Reconciliation of Pro Forma Adjusted Earnings per Share: Avient Special Adjusted Clariant MB Pro Forma Adjustments(3) Pro Forma Adjusted 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 (3) Pro forma adjustments for the periods prior to the acquisition date (July 1, 2020) and to give effects to the financing for the acquisition 15 Reconciliation of EBITDA by Segment Year Ended December 31, 2021 2020 2020 2019 2018 Color, Additives and Inks $ 88.8 $ 40.5 $ 180.8 $ 147.4 $ 158.5 Specialty Engineered Materials 34.2 22.3 94.4 83.7 72.3 Distribution 24.0 19.4 69.5 75.4 71.5 Corporate and eliminations (26.6) (29.4) (155.4) (149.7) (123.7) Operating income $ 120.4 $ 52.8 $ 189.3 $ 156.8 $ 178.6 Items Below OI in Corporate Other income, net $ 1.5 $ 1.6 $ 24.3 $ 12.1 $ (12.9) Depreciation & Amortization: Color, Additives and Inks $ 27.4 $ 10.9 $ 75.1 $ 42.7 $ 44.3 Specialty Engineered Materials 7.8 7.5 30.0 29.5 23.2 Distribution 0.2 0.1 0.7 0.5 0.7 Corporate and eliminations 1.7 1.4 9.2 5.4 4.4 Depreciation & Amortization $ 37.1 $ 19.9 $ 115.0 $ 78.1 $ 72.6 EBITDA Color, Additives and Inks $ 116.2 $ 51.4 $ 255.9 $ 190.1 $ 202.8 Specialty Engineered Materials 42.0 29.8 124.4 113.2 95.5 Distribution 24.2 19.5 70.2 75.9 72.2 Corporate and eliminations (24.9) (28.0) (146.2) (144.3) (119.3) EBITDA $ 159.0 $ 74.3 $ 328.6 $ 247.0 $ 238.3 EBITDA as a % of Sales: Color, Additives and Inks 19.1 % 20.0 % 17.0 % 18.9 % 19.4 % Specialty Engineered Materials 19.4 % 16.1 % 17.6 % 15.2 % 14.8 % Distribution 6.7 % 6.7 % 6.3 % 6.4 % 5.7 % 16 Reconciliation of Pro Forma EBITDA - Color, Additives and Inks Three Months Ended March 31, Year Ended December 31, 2020 2020 2019 2018 Sales: Color, Additives and Inks $ 256.5 $ 1,502.9 $ 1,003.8 $ 1,046.5 Clariant MB pro forma adjustments(4) 279.4 540.4 1,118.6 1,209.8 Pro forma sales $ 535.9 $ 2,043.3 $ 2,122.4 $ 2,256.3 Color, Additives and Inks $ 40.5 $ 180.8 $ 147.4 $ 158.5 Clariant MB pro forma adjustments(4) 23.0 45.0 72.9 80.3 Pro forma operating income $ 63.5 $ 225.8 $ 220.3 $ 238.8 Depreciation & amortization: Color, Additives and Inks $ 10.9 $ 75.1 $ 42.7 $ 44.3 Clariant MB pro forma adjustments(4) 15.1 30.1 60.3 61.2 Pro forma depreciation & amortization $ 26.0 $ 105.2 $ 103.0 $ 105.5 Earnings Before Interest, Taxes, Depreciation and Amortization (EBITDA): Color, Additives and Inks $ 51.4 $ 255.9 $ 190.1 $ 202.8 Clariant MB pro forma adjustments(4) 38.1 75.1 133.2 141.5 Pro forma EBITDA $ 89.5 $ 331.0 $ 323.3 $ 344.3 Pro forma EBITDA as a % of Sales 16.7 % 16.2 % 15.2 % 15.3 % Three Months Ended March 31, Year Ended December 31, Reconciliation to Adjusted EBITDA: 2021 2020 2020 2019 2018 Net income from continuing operations – GAAP $ 79.7 $ 33.1 $ 133.8 $ 75.7 $ 87.4 Income tax expense 22.9 11.9 5.2 33.7 14.4 Interest expense 19.3 9.4 74.6 59.5 62.8 Debt extinguishment cost — — 1.1 Depreciation and amortization from continuing operations 37.1 19.9 115.0 78.1 72.6 EBITDA $ 159.0 $ 74.3 $ 328.6 $ 247.0 $ 238.3 Special items, before tax 2.4 9.6 66.2 61.7 59.5 Interest expense included in special items — — (10.1) — — Accelerated depreciation included in special items (0.5) — (3.2) — (3.0) Adjusted EBITDA $ 160.9 $ 83.9 $ 381.6 $ 308.7 $ 294.8 Reconciliation of Pro Forma Sales: Three Months Ended Sales $ 711.5 Clariant MB pro forma adjustment to sales(4) 279.4 Pro forma sales $ 990.9 (4) Pro forma adjustments for the periods prior to the acquisition date (July 1, 2020) 17 Avient Announces Record First Quarter 2021 Results; Increases Full Year Guidance.pdf NEWS RELEASE 4.29 232pm News Release (002).pdf

has been assessed by ABS Quality Evaluations, Inc. and found to be in conformance with the requirements set forth by: RCMS®:2013 (Option 2) The Environment, Health, Safety and Security Management System is applicable to: Responsible Care Management System activities and corporate supported processes associated with the design and manufacture of plastic compounds, colorants, thermoplastic elastomer compounds, color concentrates and compounding of thermoplastic products.

DIFAS T O O T H B R U S H H A N D L E • Replace current polymer with a more sustainable solution • Excellent surface finish with multiple color options • Processed using current molding equipment and machinery • Used formulation expertise to develop a custom formulation that met critical quality parameters and enabled customer to use existing molding equipment • Enabled customer to work towards sustainability goals and bring a competitive solution to the market • Enhanced the marketplace appeal of the end product with colorability of the material Maxxam BIO Bio-based Polyolefin Formulations KEY REQUIREMENTS WHY AVIENT?

SOFT TOUCH + COLORABILITY FOOTWEAR ACCESSORY BRAND F O O T W E A R I N S E R T • Low durometer with good processability • Optimal cushioning with high elasticity • Non-tacky feel • Excellent colorability • Customized a formulation to achieve super soft gel performance without a tacky finish • Provided material with sufficient cushioning and elasticity for all-day comfort • Optimized lead time and stable supply with local inventory Versaflex™ Customized TPE KEY REQUIREMENTS WHY AVIENT?