GLS™ TPEs - Injection Molding Guide GLS™ TPEs - Overmolding Guide GLS™ TPEs for soft touch packaging solutions

GLS™ TPEs - Injection Molding Guide GLS™ TPEs - Overmolding Guide Thermoplastic Elastomers: GLS™

AUTOMOTIVE MIRROR & CAMERA MANUFACTURER C A B L E G R O M M E T • Electrically conductive

PolyOne Corporation Page 4 PolyOne Commodity to Specialty Transformation • Volume driven, commodity producer • Heavily tied to cyclical end markets • Performance largely dependent on non- controlling joint ventures 2000-2005 2006 - 2009 2010 – 2015 2016 and beyond • Steve Newlin appointed, Chairman, President and CEO • New leadership team appointed • Implementation of four pillar strategy • Focus on value based selling, investment in commercial resources and innovation to drive transformation • Substantial EPS growth from $0.13 to all-time high of $1.96 • Shift to faster growing, high margin, less cyclical end markets • Key acquisitions propel current and future growth, as well as margin expansion • Specialty mix expands to 65% of Operating Income – strongest mix of earnings in history • Deliver consistent double digit annual EPS growth • Maintain >35% vitality index • Pursue strategic acquisitions that expand specialty offerings and geographic breadth • Invest and grow current and next generation talent PolyOne Corporation Page 5 25 Consecutive Quarters of EPS Growth Note: 2009 has not been restated for subsequent changes in accounting principles or discontinued operations -$0.10 $0.00 $0.10 $0.20 $0.30 $0.40 $0.50 $0.60 2009 2010 2011 2012 2013 2014 2015 Adjusted Earnings Per Share -2% 0% 2% 4% 6% 8% 10% 12% 2009 2010 2011 2012 2013 2014 2015 Adjusted Consolidated Operating Margin 2.8% 5.2% 5.6% 6.7% 8.3% 6.9% 9.5% PolyOne Corporation Page 6 2015 Revenues: $3.4 Billion End Markets 2015 Revenues: $3.4 Billion PolyOne At A Glance $0.12 $0.27 $0.21 $0.13 $0.68 $0.82 $1.00 $1.31 $1.80 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 Adjusted EPS United States 66% Europe 13% Canada 7% Asia 7% Latin America 7% Appliances 4% Building & Construction 12% Consumer 10%Electrical & Electronics 5% Healthcare 11% Industrial 14% Packaging 13% Textiles 2% Transportation 20% Wire & Cable 9% Distribution 29% PP&S 20% Specialty 51% $1.96 PolyOne Corporation Page 7 Old PolyOne *Operating Income excludes corporate charges and special items 2% 43% 65% 0% 20% 40% 60% 80% 100% 2005 2010 2015 2020 % o f O pe ra tin g In co m e* JV's Performance Products & Solutions Distribution Specialty 80%+ Specialty OI $5M $87M $229M Mix Shift Highlights Specialty Transformation Transformation 2020 Platinum Vision Platinum Vision PolyOne Corporation Page 8 Color and Engineered Materials at the Heart of Specialty Transformation OPERATING MARGIN 1.7% 4.6% 5.1% 5.5% 7.2% 8.1% 9.7% 12.2% 14.7% 16.7% 20%+ 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2020 Platinum Vision COLOR, ADDITIVES AND INKS 1.1% 1.3% 3.4% 5.1% 9.6% 8.0% 8.6% 9.3% 12.1% 14.7% 20%+ 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2020 Platinum Vision SPECIALTY ENGINEERED MATERIALS PolyOne Corporation Page 9 2006 2015 2020 “Where we were” “Where we are” Platinum Vision 1) Operating Income % Specialty: Color, Additives & Inks 1.7% 16.7% 20%+ Specialty Engineered Materials 1.1% 14.7% 20%+ Designed Structures & Solutions 1.4% (2012) 3.0% 12 – 14% Performance Products & Solutions 5.5% 8.3% 10 – 12% Distribution 2.6% 6.6% 6.5 – 7.5% 2) Specialty Platform % of Operating Income 6.0% 65% 80%+ 3) ROIC* 5.0% 11.8% 15% 4) Adjusted EPS Growth N/A 25 Consecutive Quarters of YOY EPS Growth Double Digit Expansion Proof of Performance & 2020 Goals *ROIC is defined as TTM adjusted OI divided by the sum of average debt and equity over a 5 quarter period PolyOne Corporation Page 10 Therma-Tech™ & Sheet GEON™ Vinyl Polymer Colorants Therma-Tech™ TPE’s & Film TPE + OnForce™ Gravi-Tech™ Page 10 Film Target End Markets… Healthcare PolyOne Corporation Page 11 TPE + OnForce (SEM) OnForce (SEM) Glasforms (SEM) TPE Vibration Dampening (SEM/GLS) TPE & Film (SEM + DSS) Glasforms (SEM) Polymer Colorants (CAI) Thermatech (SEM) Thermoplastic Elastomers (SEM) TPE + OnForce (SEM) OnForce (SEM) Thermoplastic Elastomers (SEM) Glasforms (SEM) Polymer Colorants (CAI) Sheet (DSS) Source: Outdoor Industry Association Target End Markets… Outdoor High Performance PolyOne Corporation Page 12 Sound & Vibration Management Fuel Handling Systems Interior & Exterior Trim Structural Braces & Brackets Interior Structural Components Lighting Air management Electronics & Cameras Fluid Handling Target End Markets… Automotive Underhood Components Roof Systems PolyOne Corporation Page 13 Target End Markets… Packaging PreservaPak™ OnColor™ Smart Batch™ VersaFlex™ TPE Cap Liner ColorMatrix™ Amosorb™ Oxygen Scavenger ColorMatrix™ Ultimate™ UV Light Barrier OnCap™ Laser Marking Additives PolyOne Corporation Page 14 Innovation Drives Earnings Growth *Specialty Platform revenue from products introduced in last five years $20 $53 2006 2015 Research & Development Spending ($ millions) Specialty Platform Vitality Index Progression* 14% 28% 2006 2015 Specialty Platform Gross Margin 12% 43% 2006 2015 Target ≥ 35% Innovation Pipeline Potential PolyOne Corporation Page 15 2,883 2,414 2006 2015 Volume (lbs in millions) -16% $103 $192 2006 2015 Commercial, R&D and Marketing Spending ($M) +86% $303 $721 2006 2015 Adjusted Gross Margin ($M) +138% Investing to Drive Growth Ours Is Not a Cost Cutting Story PolyOne Corporation Page 16 Design and Service as a Differentiator Right Material & Color Desired Product Design Appropriate Manufacturing Process Delivering Concept to Commercialization Connecting the Dots with iQ Design Labs and InVisiO Color Design PolyOne Corporation Page 17 Customer First Through World-Class Service Strengthening relationships through:  Providing LSS services to small/medium sized customers  Providing training in Customer Centric Selling Skills with customers World’s Best Business Process Excellence Program in 2012* World’s Best Start-up program for Lean Six Sigma Deployment in 2009* 81% 93% 2006 2015 16.2% 9.7% 2006 2015 On-Time Delivery Working Capital % of Sales  52% of associates trained in LSS  Five consecutive years – CFO Magazine Best Working Capital Management in the chemical industry Commitment to Operational Excellence PolyOne Corporation Page 18 60% 97% 20% 30% 40% 50% 60% 70% 80% 90% 100% 2008 Q4 2015 Pension Funding** As of December 31, 2015 Debt Maturities & Pension Funding Net Debt / Adjusted EBITDA*= 2.1x ** includes US-qualified pension plans only *TTM 12/31/2015 $550 $600 $200 $300 $400 $500 $600 $700 $800 2022 2023 Debt Maturities As of December 31, 2015 ($ millions) Coupon Rate: 3.750% 5.250% PolyOne Corporation Page 19 Free Cash Flow and Strong Balance Sheet Fund Investment / Shareholder Return  Expanding our sales, marketing, and technical capabilities  Investing in operational and LSS initiatives  ~75% of capital expenditures fund growth initiatives Organic Growth Acquisitions Share Repurchases Dividends $0.16 $0.20 $0.32 $0.40 $0.48 $0.10 $0.20 $0.30 $0.40 $0.50 2011 2012 2013 2014 2015 2016 Annual Dividend  Targets that expand our: • Specialty offerings • End market presence • Geographic breadth  Synergy opportunities  Adjacent material solutions  Repurchased nearly 1.0 million shares in Q4 2015  Repurchased 15.8 million shares since early 2013  4.2 million shares are available for repurchase under the current authorization $0.24 PolyOne Corporation Page 20 The New PolyOne: A Specialty Growth Company Why Invest In PolyOne?  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 21 Appendix PolyOne Corporation Page 22 Recent Acquisitions Kraton TPE Assets Magenta Master Fibers  February 2016 – Acquired Kraton’s thermoplastic elastomer (TPE) assets  Serve personal care, medical, packaging (protective film) and electronics applications  Purchase price of $72 million represents a multiple of 9x EBITDA  Adds $35 million in annual revenue and $0.03 accretive to 2016 adjusted EPS  Expands GLS presence in consumer, healthcare, transportation, and packaging end markets  December 2015 – Acquired Magenta Master Fibers, an innovative developer of specialty color concentrates for the global fiber industry  Purchase price of $22 million represents a multiple of 6.8x EBITDA  Adds $16 million in annual revenue and $0.01 accretive to 2016 adjusted EPS  Broadens portfolio of colorant and additives technologies for fiber applications and extends existing reach into strategic end markets such as transportation and consumer goods Medical Baby Care Electronics Food Packaging Automotive Textiles Home Textiles Clothing Outdoor PolyOne Corporation Page 23 $0.82 $1.00 $1.31 $1.80 $1.96 $0.00 $0.75 $1.50 $2.25 2011 2012 2013 2014 2015 Adjusted EPS 2015 Full Year Financial Highlights  Color Additives & Inks operating margin reached record level of 16.7%  Specialty Engineered Materials operating margin grew 260 basis points year-over-year to 14.7%  Adjusted EPS has grown on average 24% per year since 2011 $50 $75 $104 $125 $135 $0 $40 $80 $120 $160 2011 2012 2013 2014 2015 CAI Operating Profit $46 $47 $57 $72 $80 $20 $40 $60 $80 $100 2011 2012 2013 2014 2015 SEM Operating Profit Note: $ in millions, except per share data PolyOne Corporation Page 24 1.7% 4.6% 5.1% 5.5% 7.2% 8.1% 9.7% 12.2% 16.7% 20%+ 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2020 Operating Income % of Sales At a Glance Color, Additives and Inks 2015 Revenues: $0.8 Billion Solutions Expanding Profits 2015 Revenue by Industry Segment 14.7% Platinum Vision United States 48% Europe 33% Canada 2% Asia 12% Latin America 5% Appliances 2% Building & Construction 11% Consumer 8% Electrical & Electronics 1% Healthcare 6% Industrial 13% Packaging 31% Textiles 8% Transportation 9% Wire & Cable 11% PolyOne Corporation Page 25 1.1% 1.3% 3.4% 5.1% 9.6% 8.0% 8.6% 9.3% 14.7% 20%+ 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2020 Operating Income % of Sales At a Glance Specialty Engineered Materials 2015 Revenues: $0.5 Billion Solutions 2015 Revenue by Industry Segment Expanding Profits Platinum Vision 12.1% United States 49% Europe 29% Canada 2% Asia 20% Appliances 3% Building & Construction 3% Consumer 20% Electrical & Electronics 16% Healthcare 11% Industrial 8% Packaging 5% Transportation 19% Wire & Cable 15% PolyOne Corporation Page 26 1.4% 5.6% 7.3% 3.0% 12-14% 2012 2013 2014 2015 2020 Operating Income % of Sales At a Glance Designed Structures and Solutions Solutions 2015 Revenues: $0.5 Billion Expanding Profits 2015 Revenue by Industry Segment Platinum Vision Appliances, 3% Building & Construction 9% Consumer 5% Healthcare 7% Industrial 24% Packaging 19% Transportation 33% United States 97% Canada 3% PolyOne Corporation Page 27 Appliances 7% Building & Construction 31% Consumer 5% Electrical & Electronics 3% Healthcare 1% Industrial 13% Packaging 5% Transportation 19% Wire & Cable 16% 5.5% 6.9% 3.8% 3.6% 5.5% 4.3% 6.3% 7.2% 8.3% 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2020 Operating Income % of Sales At a Glance Performance Products and Solutions Solutions Expanding Profits 2015 Revenues: $0.7 Billion 10-12% Platinum Vision 2015 Revenue by Industry Segment 7.7% United States 79% Canada 14% Asia 2% Latin America 5% PolyOne Corporation Page 28 2.6% 3.0% 3.5% 4.0% 4.6% 5.6% 6.4% 5.9% 6.6% 6.5-7.5% 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2020 Operating Income % of Sales 15% 53% 2006 Q4 2015 At a Glance Distribution Key Suppliers 2015 Revenues: $1.0 Billion ROIC Expanding Profits 6.1% Platinum Vision Appliances 6% Building & Construction 4%Consumer 13% Electrical & Electronics 6% Healthcare 23% Industrial 16% Packaging 4% Transportation 24% Wire & Cable 4% http://www.polyone.com/Pages/VariationRoot.aspx PolyOne Corporation Page 29 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 30 Application Examples PolyOne Corporation Page 31 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 Source: Outdoor Industry Association PolyOne Corporation Page 32  $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 33 • 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 34 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 35 • Color harmonization across 15 unique color-and-polymer combinations • Eliminated need for multiple pre- colored materials • Reduced Land Rover’s working capital Range Rover Evoque Interior PolyOne Corporation Page 36 • Reduced health and environmental impact • System cost reduction • Radiation-shielding performance • Parts consolidation • Design freedom CT Scanner PolyOne Corporation Page 37 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 sensory properties PolyOne Corporation Page 38 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. 1 Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except per share data) Below is a reconciliation of non-GAAP financial measures to the most directly comparable measures calculated and presented in accordance with U.S. Appendix Recent Acquisitions 2015 Full Year Financial Highlights At a Glance�Color, Additives and Inks At a Glance�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 Application Examples Outdoor Applications Slide Number 32 Authentication Technology Metal Replacement Solutions Range Rover Evoque Interior Slide Number 36 High-Barrier Packaging Containers Aerospace Applications Investor Presentation - March 1, 2016 r36 Investor Presentation - March 1, 2016

Nikrant Page 67 United States 36% Europe 36% Canada 2% Asia 20% Latin America 2011 Revenue: $0.6 Billion2011 Revenue: $0.6 Billion SolutionsSolutions At a Glance Global Specialty Engineered Materials Appliance 6% Building & Construction 3% Wire & Cable 14% Electrical & Electronics 14%Consumer 21% Packaging 5% Industrial 8% Misc. 3% HealthCare 5% Transportation 21% America 6% 2011 Revenue by Industry Segment2011 Revenue by Industry Segment 1.1% 1.3% 3.4% 5.1% 9.6% 8.0% 12-16% 2006 2007 2008 2009 2010 2011 2015 Operating Income % of Sales Target Expanding ProfitsExpanding Profits Page 68 Value Proposition • GSEM is a global leader providing complete specialty solutions encompassing innovative technologies and services to enable customer success Transformation Highlights • Dramatic turnaround of the Engineered Materials business through mix improvement and specialty focus Value Proposition and Transformation Highlights Global Specialty Engineered Materials improvement and specialty focus • GLS acquisition successfully integrated, having more than doubled earnings in 3 years • PolyOne culture and strategy now engrained worldwide • Expansion into healthcare with dedicated resources > $15B Addressable Market Page 69 • Polymer design, formulation and service expertise • Broad, global technology base and regional centers of excellence • Ten innovation centers around the world Key Differentiators Global Specialty Engineered Materials • Ten innovation centers around the world • Specialty brand leadership with PolyOne, GLS, NEU and ECCOH • Ability to leverage global key account team Page 70 From Volume Commodity-driven product portfolio To Value Specialty technology and solutions EM North America Transformation Volume Sales Gross Margin $ Mix Transformation – Executing the Strategy Global Specialty Engineered Materials 2006 2011 2006 2011 2006 2011 Page 71 $12 $29 Operating Income ($ in millions) • Provided access to new customers in specialized, high-growth markets such as healthcare and consumer • Strategic partner to many of the world’s best-known companies GLS Integration Success 16.9% 8.2% 2007 2011 2007 2011 Working Capital % of Sales • Complementary global footprint provided additional cross-selling opportunities • Opportunity to expand margins and drive working capital improvement while remaining customer-focused Page 72 $1.3 $27.6 2006 2011 Healthcare Revenue • Investment in dedicated healthcare team to drive penetration and growth • Leverage product portfolio globally & win specialty business Areas of Focus Global Specialty Engineered Materials $10.5 $117.9 2006 2011 Consumer Revenue 2006 2011globally & win specialty business in targeted markets • Aggressively commercialize specialty innovation platforms • Utilize our innovation centers to influence OEM design (Revenue in $ millions) Page 73 • Carbon Nanotube Formulations � Applications: Semiconductor equipment, hard drives � Customer benefits: Scrap cost reduction and clean conductivity • Thermally Conductive Solutions Applications: Sockets and bulb holders for LED lighting Key Innovations Global Specialty Engineered Materials � Applications: Sockets and bulb holders for LED lighting � Customer benefits: Cost reduction, energy saving, and design flexibility • FDA-Regulated TPEs � Applications: Food packaging seals, intravenous delivery systems, medical stoppers, prefilled syringes � Customer benefits: Clean and safe elastomers for highly regulated applications Page 74 Critical Imperatives and 2015 Goal Global Specialty Engineered Materials Critical Imperatives • Commercialize critical new technology platforms • Manage the mix as we continue to drive the transformation • Global translation of commercial successes 2015 Goal • 12 - 16% return on sales Page 75 Page 76

TECHNICAL BULLETIN UV RESISTANCE • UV testing: QUV-A Test, 0.68 @ 45C • Comparable results to traditional TPEs reSound OM 5510-45N reSound OM 5510-60N Bio-derived Content (%) 40% 50% Hardness, Shore A 45 60 Delta E after 150 hrs. 0.22 0.23 Delta E after 300 hrs. 1.68 0.56 AGING – BONDING STRENGTH ONTO ABS reSound OM 5520-55N Room Temperature 70C 1 day 1 week 2 weeks 6 months 1 week 2 weeks 3 weeks Bio-derived Content (%) 49% 49% 49% 49% 49% 49% 49% Hardness, Shore A 54 54 55 54 55 56 OM Substrate ABS ABS ABS ABS ABS ABS ABS OM Avg. Peel (N/mm) 3.2 2.9 3.2 3.2 3.1 3.2 3.1 Failure Mode Cohesive Cohesive Cohesive Cohesive Cohesive Cohesive Cohesive KEY PROPERTIES AND OVERMOLD PERFORMANCE reSound™ OM 5510 grades for overmolding onto PP and reSound OM 5520 for ABS reSound OM 5510-30N reSound OM 5510-45N reSound OM 5510-60N reSound OM 5510-70N reSound OM 5520-55N Bio-derived Content (%) 40% 40% 50% 50% 49% Hardness, Shore A 30 45 60 70 54 Specific Gravity 0.88 0.88 0.89 0.89 0.95 50% Modulus, PSI 96 153 247 384 258 100% Modulus, PSI 137 251 343 462 353 Tensile Strength, PSI 264 438 625 608 637 Elongation, % 280 215 306 271 319 Tear Strength, PLI 58 84 109 132 146 OM Substrate PP PP PP PP ABS OM Avg. Peel, PLI 12 19 23 20 19 reSound OM 5510 for PP reSound OM 5510-60N Room Temperature 70C 1 day 1 week 2 weeks 6 months 1 week 2 weeks 3 weeks Bio-derived Content (%) 50% 50% 50% 50% 50% 50% 50% Hardness, Shore A 60 60 60 60 60 60 60 Specific Gravity 0.89 0.89 0.89 0.89 0.89 0.89 0.90 50% Modulus, PSI 247 241 244 251 234 244 240 100% Modulus, PSI 343 333 338 339 321 331 326 Tensile Strength, PSI 625 621 647 610 633 662 642 Elongation, % 306 314 309 313 312 315 315 Tear Strength, PLI 109 108 113 113 111 117 115 reSound OM 5520-55N Room Temperature 70C 1 day 1 week 2 weeks 6 months 1 week 2 weeks 3 weeks Bio-derived Content (%) 49% 49% 49% 49% 49% 49% 49% Hardness, Shore A 54 54 55 55 54 55 56 Specific Gravity 0.95 0.95 0.96 0.96 0.95 0.96 0.96 50% Modulus, PSI 258 256 256 265 266 271 257 100% Modulus, PSI 353 355 357 362 373 379 367 Tensile strength, PSI 637 615 637 669 651 674 642 Elongation, % 319 315 319 333 313 319 315 Tear Strength, PLI 146 136 133 142 137 138 141 reSound OM 5510-45N Room Temperature 70C 1 day 1 week 2 weeks 6 months 1 week 2 weeks 3 weeks Bio-derived Content (%) 40% 40% 40% 40% 40% 40% 40% Hardness, Shore A 45 46 47 46 46 45 45 Specific Gravity 0.88 0.89 0.89 0.89 0.89 0.89 0.90 50% Modulus, PSI 153 158 154 162 137 136 133 100% Modulus, PSI 251 259 259 261 226 222 218 Tensile Strength, PSI 438 481 451 495 417 470 486 Elongation, % 215 240 211 243 204 227 238 Tear Strength, PLI 84 81 87 82 83 85 84 AGING – PROPERTY RETENTION • Tested at room temperature and 70° C for comparison • Hardness, tensile strength elongation and modulus showed great retention Overmolding onto PP Overmolding onto ABS RHEOLOGY Suitable for injection molding and overmolding 1.0 10 100 1000 10000 100000 10.0 100.0 1000.0 reSound OM 5510-30N reSound OM 5510-45N reSound OM 5510-60N reSound OM 5510-70N Shear Rate, 1/s Ca pi lla ry V is co si ty , P a* s 1.0 10 100 1000 10000 100000 10.0 100.0 1000.0 reSound OM 5520-55N Shear Rate, 1/s Ca pi lla ry V is co si ty , P a* s Capillary viscosity at 200°C Capillary viscosity at 200°C reSound OM 5510 for PP reSound OM 5520 for ABS www.avient.com Copyright © 2020, Avient Corporation.

GLS 362-030 BLACK GLS 345-095 BLUE GLS 346-186 NATURAL

Q 2 2021 P E RFO R MA N CE U P DAT E $69 $122 2020PF 2021 $0.42 $0.87 2020PF 2021 Q2 2021 – ORGANIC PERFORMANCE (TOTAL COMPANY) 10 Sales Adjusted Operating Income $870 $1,235 2020PF 2021 + 42% Adjusted EPS + 77% + 107% (in millions) (in millions) (1) (1) (1) (1) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition Q2 2021 SEGMENT PERFORMANCE 11 CAI $488 $624 Sales ($ in millions) SEM Distribution $54 $86 Operating Income +28% +59% $239 $404 Sales $15 $24 Operating Income +69% +60% (1) $159 $241 Sales $17 $37 Operating Income +52% +118% (1) (1) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition SPECIALTY EBITDA MARGIN EXPANSION 12 CAI (1) 2018-2020 financial information is pro forma to include a full year of Clariant Masterbatch business acquisition 15.3% 15.2% 16.2% 18.5% 2018 2019 2020 YTD 2021 14.8% 15.2% 17.6% 19.1% 2018 2019 2020 YTD 2021 (1) SEM • Continued portfolio transformation to high-growth end markets and sustainable solutions • Clariant Masterbatch synergy realization • Investments in composites and outdoor high performance applications drive growth and mix improvements CAI EBITDA MARGIN EXPANSION 13 Legacy CAI 18.9% 18.9% 20.3% 2019 2020 YTD 2021 Legacy Clariant MB 11.9% 13.8% 16.8% 2019 2020 YTD 2021 • Synergy capture translating to the bottom line • Positive mix with growth in healthcare, consumer and packaging end-markets • World-class vitality index of 35% represents sales from products introduced in the last five years. CO-CREATION. • 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. 32 We are a specialty formulator that enables many of the world’s products through innovation and custom solutions.

GLS™ TPEs - Injection Molding Guide GLS™ TPEs - Overmolding Guide GLS™ Versaflex™ PF

Avient 2025 Proxy Statement Pages 32-36 102–32 Avient 2025 Proxy Statement Pages 29-30 & 32