The non-GAAP financial measures include: Adjusted Earnings Per Share, Adjusted EBITDA, Adjusted EBITDA margins and Adjusted free cash flow. Share gains and geographic penetration all Avient Copyright © . 2024 11 Build new platforms GROW BUSINESS AT 10% PLUS CAGR 1. Solutions from across all Avient 3.

The non-GAAP financial measures include: adjusted Earnings Per Share and adjusted EBITDA. Avient does not provide reconciliations of forward-looking non-GAAP financial measures, such as outlook for Adjusted EBITDA, Adjusted Earnings Per Share, Adjusted Operating Income and Free Cash Flow, to the most comparable GAAP financial measures on a forward-looking basis because Avient is unable to provide a meaningful or accurate calculation or estimation of reconciling items and the information is not available without unreasonable effort. Unless otherwise stated, Adjusted Earnings Per Share and Adjusted EBITDA figures included in this presentation exclude the impact of special items as defined in our quarterly earnings releases.

Central No. 200 50200 Toluca Mexico Tossiat, France Design and Manufacture of Color and Additive Concentrates and Specialty Compounds , 43 Place de la gare Tossiat - 01250 France Vic (Barcelona), Design, development and production of color concentrates and additives for plastic and synthetic fibers Carretera de Vic a Olot,C-153, km 5 08500 Masies de Roda Vonore Warehouse Warehouse , 225 Industrial Drive Vonore - TN 37885 United States Vonore, TN Manufacture of Colorants for Plastics , 245 Avecor Drive Vonore - TN 37885 United States Corporation- Suwanee, GA Design and Sampling , 2900 Shawnee Industrial Way Suwanee - GA 30024 United NEU Specialty Engineered Materials, LLC Compound and supply of thermoplastics for the medical device industry , 15 Corporate Drive North Haven - CT 06473 United PolyOne Polymers India Pvt. F-27 , MIDC Ranjangaon, Shirur 412 220 Pune India Page 4 of 4

Modest Net Debt to Adjusted EBITDA ratio of 2.1x (1) Adjusted Earnings Per Share, Adjusted Operating Income, Adjusted EBITDA and Net Debt to Adjusted EBITDA reported in this proxy statement differ from what is reported under United States Generally Accepted Accounting Principles (“GAAP”). Our Board recommends a vote FOR all the nominees listed below. All of Mr.

 Factors that could cause actual results to differ materially from those implied by these forward-looking statements include, but are not limited to:  Our ability to realize anticipated savings and operational benefits from the realignment of assets, including the planned closure of certain manufacturing facilities;  The timing of closings and shifts of production to new facilities related to asset realignments and any unforeseen loss of customers and/or disruptions of service or quality caused by such closings and/or production shifts;  Separation and severance amounts that differ from original estimates and amounts for non-cash charges related to asset write-offs and accelerated depreciation realignments of property, plant and equipment, that differ from original estimates;  Our ability to identify and evaluate acquisition targets and consummate acquisitions;  The ability to successfully integrate acquired companies into our operations, retain the management teams of acquired companies and retain relationships with customers of acquired companies including, without limitation, Spartech Corporation and Accella Performance Materials;  Disruptions, uncertainty or volatility in the credit markets that could adversely impact the availability of credit already arranged and the availability and cost of credit in the future;  The financial condition of our customers, including the ability of customers (especially those that may be highly leveraged and those with inadequate liquidity) to maintain their credit availability;  The speed and extent of an economic recovery, including the recovery of the housing market;  Our ability to achieve new business gains; the effect on foreign operations of currency fluctuations, tariffs and other political, economic and regulatory risks;  Changes in polymer consumption growth rates and laws and regulations regarding the disposal of plastic materials in jurisdictions where we conduct business;  Changes in global industry capacity or in the rate at which anticipated changes in industry capacity come online in the industries in which we participate;  Fluctuations in raw material prices, quality and supply and in energy prices and supply;  Production outages or material costs associated with scheduled or unscheduled maintenance programs;  Unanticipated developments that could occur with respect to contingencies such as litigation and environmental matters;  An inability to achieve or delays in achieving or achievement of less than the anticipated financial benefit from initiatives related to working capital reductions, cost reductions and employee productivity goals;  An inability to raise or sustain prices for products or services;  An inability to maintain appropriate relations with unions and employees;  Our ability to continue to pay regular quarterly cash dividends and the amounts and timing of any future dividends;  The amount and timing of repurchases of our common shares, if any;  Other factors affecting our business beyond our control, including, without limitation, changes in the general economy, changes in interest rates and changes in the rate of inflation  The above list of factors is not exhaustive.  We undertake no obligation to publicly update forward-looking statements, whether as a result of new information, future events or otherwise. The non-GAAP financial measures include: adjusted EPS, earnings before interest, tax, depreciation and amortization (EBITDA), adjusted EBITDA, net debt, Specialty platform operating income, Specialty platform gross margin percentage, adjusted operating income, return on invested capital, net debt/ EBITDA, and the exclusion of corporate charges in certain calculations Adjusted net cash provided by operating activities is calculated as follows: 2008Y 2009Y 2010Y 2011Y 2012Y 2013Y 2014Y Net cash provided by operating activities $ 72.5 $ 229.7 $ 140.8 $ 72.5 $ 106.9 $ 109.0 $ 208.4 Dividends and distributions received from joint ventures (32.9) (36.5) (24.2) (6.0) - - - Pension Cash Contributions 35.9 28.5 37.5 38.1 68.8 69.8 21.6 Adjusted net cash provided by operating activities $ 75.5 $ 221.7 $ 154.1 $ 104.6 $ 175.7 $ 178.8 $ 230.0 Net debt to adjusted EBITDA is calculated as follows: Twelve Months Ended (In millions) December 31, 2011 December 31, 2012 December 31, 2013 December 31, 2014 Short-term portion and current portion of long-term debt $ 3.0 $ 3.8 $ 12.7 $ 61.8 Long-term debt 704.0 703.1 976.2 962.0 Less: Cash and cash equivalents (191.9) (210.0) (365.2) (238.6) Net Debt $ 515.1 496.9 623.7 785.2 Income before income taxes $ 168.9 $ 83.3 $ 151.0 $ 88.4 Interest expense, net 33.7 50.8 63.5 62.2 Depreciation and amortization 53.2 65.8 108.8 123.9 Equity income from equity affiliates (5.7) - - - Special items, impact on income before income taxes (48.1) 55.1 46.3 164.9 Interest expense included in special items - (1.3) (1.9) - Accelerated depreciation included in special items - - (12.7) (23.1) Adjusted EBITDA $ 202.0 $ 253.7 $ 355.0 $ 416.3 Net Debt/Adjusted EBITDA 2.6 2.0 1.8 1.9 Investor Day - May 18 2015 r11 Investor Day - May 18 2015 POL IR Presentation - Investor Day - 5_13_15 Master Version WEBSITE Investor Day Forward-Looking Statements Use of Non-GAAP Measures Agenda Introduction�� Slide Number 6 The Leaders Behind the Team Commodity to Specialty Transformation Proof of Performance Mix Shift Highlights Specialty Transformation Proof of Performance Successfully Navigating Change Since 2012 Strategy and Execution Drive Results Well Positioned for Accelerated Growth Global Color, Additives & Inks�� At a Glance A Case Study for Transformational Success Slide Number 18 Accelerating Growth Who We Are Growing With Innovation Pipeline Potential Megatrends Aligned with Key End Markets Key Initiatives Platinum Vision Summary Global Specialty Engineered Materials�� What We Do At a Glance A Case Study for Transformational Success Slide Number 30 Accelerating Growth Who We Are Growing With Innovation Pipeline Potential Megatrends Aligned with Key End Markets Key Initiatives Platinum Vision Summary �Designed Structures and Solutions�� At a Glance Early Progress A Lot of Work Remains with Tremendous Upside Potential Innovating with Cross-Business Unit Technologies Who We Are Growing With Key Initiatives Platinum Vision Summary Performance Products and Solutions�� At a Glance What We Have Delivered Slide Number 50 Accelerating Growth Who We Are Growing With Geographic Growth Opportunities Innovation Pipeline Potential Megatrends Aligned with Key End Markets Key Initiatives Platinum Vision Summary PolyOne Distribution�� At a Glance Slide Number 61 What We Have Delivered Accelerating Growth Who We Are Growing With Megatrends Aligned with Key End Markets Geographic Growth Opportunities Going Beyond Distribution Platinum Vision Summary Financial Highlights�� Who We Are Growing With 2014 Awards and Recognitions 2014 Financial Highlights Proof of Performance & 2015 Targets Ours is Not a Cost Cutting Story Financial Strength Financial Flexibility Cash to Generate Value Slide Number 79 Slide Number 80 2020 Platinum Vision�� PolyOne Core Values Confirmation of Our Strategy Strategy and Execution Drive Results Formula for Success Track Record of Successful Acquisitions Driving Toward Premier Profitability 2020 Platinum Vision Platinum Vision: Pathway to Accelerated Growth Driving Toward a Premium Specialty Multiple Why Invest In PolyOne?

Startup & Shutdown Recommendations Purge Compound HDPE or HIPS Recycling Recycling Gravi-Tech up to 25% is permissible. All vents need to be vented to atmosphere. 3. You have the responsibility to conduct full-scale end-product performance testing to determine suitability in your application, and you assume all risk and liability arising from your use of the information and/or use or handling of any product.

SOME OF OUR FIRSTS • Development of the industry’s first plastisol color mixing system for screen printing ink • Introduction of the first automated ink dispensing equipment OUR SPECIALTY INKS • Broadest range of specialty screen printing inks, including: non-phthalate PVC plastisol, water-based, silicone, and non-PVC plastisol • Ink room solutions including inventory management software • Strong expertise in R&D and product development • Demonstrated technical service and color matching capabilities • Highly efficient manufacturing operations • Global manufacturing footprint and customer reach OUR BRANDS • Wilflex is a leading brand of specialty screen printing inks with a focus on total ink-room management, providing the most efficient, cost-effective environment possible • Rutland is a leading brand of specialty screen printing inks for the textile industry with a strong commitment to making the screen printing process easier, more attractive and more profitable for customers • Union Ink is a brand dedicated to providing the broadest range of innovative and inspired screen printing inks with the highest opacity mixing systems in the market • Printop is a leading brand of textile screen printing inks in Latin America including plastisols, water-based, and discharge inks • QCM is a trusted brand of cost- effective, high quality inks for one of the most recognizable products in the world, the printed t-shirt SPECIALTY INKS GLOBAL FOOTPRINT • Five manufacturing facilities in Kennesaw, Georgia; Pineville, North Carolina; Lima, Peru, Shenzhen, China; and Mumbai, India (JV) • Warehouse and distribution facilities in Georgia, North Carolina and Ohio in the US, Paddock Wood and Widnes, U.K., and Singapore • Global presence of distributors located in over 60 countries Copyright © 2018, PolyOne Corporation. You have the responsibility to conduct full-scale end-product performance testing to determine suitability in your application, and you assume all risk and liability arising from your use of the information and/or use or handling of any product.

The above list of factors is not exhaustive. Patterson Chairman, President and CEO INTRODUCTION B O B P A T T E R S O N PolyOne Corporation 7 PolyOne Corporation 8 H I S T O R I C P A S T S U S T A I N A B I L I T Y A T P O L Y O N E PolyOne Corporation 9 P E O P L E P R O D U C T S P L A N E T S A F E T Y F I R S T PolyOne Corporation 10 1.3 1.1 1.1 0.85 0.65 0.57 0.54 0.97 0.84 0.74 0.74 0.69 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 Injuries per 100 Workers Spartech Acquisition T H E P O L Y O N E A C A D E M Y PolyOne Corporation 11 Leadership Program Participants 2012 2013 2015 86 2016 125 169 216 Campus Hires 2008 2011 25 S U S T A I N A B L Y I M P A C T I N G D I V E R S E E N D M A R K E T S PolyOne Corporation 12 With emphasis on: • Light-weighting • Reducing packaging materials • Improving recyclability • Reducing spread of infection • Facilitating alternative energy solutions Building & 9% Electrical & P R O D U C T S A N D P O R T F O L I O O P T I M I Z A T I O N PolyOne Corporation 13 R E I N V E S T G R O WD I V E S T ( D S S ) OUR PLANET PolyOne Corporation 14 Energy Saving Projects 26 REDUCTION REDUCTION Waste Reduction Projects 2,557 LSS Projects Executed 202 PolyOne LSS Blackbelts 2011 2017 202 2008 147 67 2,557 2008 2017 S U S T A I N A B I L I T Y A T P O L Y O N E PolyOne Corporation 15 2009 2010 2011 2012 2013 2014 2015 2016* 2017* A D J U S T E D E P S E X P A N S I O N C O N S E C U T I V E Y E A R S PolyOne Corporation 16 $0.13 $0.68 $0.82 $1.00 $1.31 $1.80 $1.96 $2.06 $2.21 *Pro Forma for sale of DSS E A R L Y Y E A R S D E F I N E D B Y S P E C I A L T Y M I X I M P R O V E M E N T PolyOne Corporation 17 65% 2005 2014 $5M $242M + 25% + 33% Specialty OI % of Operating Income C O M M O D I T Y P R U N I N G H E L D O R G A N I C S A L E S F L A T PolyOne Corporation 18 2010 2011 2012 2013 2014 Acquisitions Organic Revenue I N V E S T M E N T I N COMMERCIAL RESOURCES D R I V I N G R E S U L T S PolyOne Corporation 19 Largest organic revenue growth since recession $2.9 $2.9 $3.2 2015 2016 2017 Revenue in billions of $ Total + 10% Organic + 7% S U S T A I N A B L E P A T H T O D O U B L E - D I G I T E P S G R O W T H PolyOne Corporation 20 Double digit annual EPS growth Expand specialty portfolio with strategic acquisitions Innovate and develop new technologies and services Repurchase 600K-1M shares annually Increase commercial resources 6-8% annually Double acquired company margins Enhance efficiencies through Lean Six Sigma and commercial excellence 5.0% 2006 2017 Platinum Vision Updated Expectations R A I S I N G T H E B A R R O I C D R I V E S S H A R E H O L D E R R E T U R N PolyOne Corporation 21 COMMERCIAL EXCELLENCE PolyOne Corporation 22 M I C H A E L G A R R A T T PolyOne Corporation 23 PolyOne Corporation 24 35% more sales calls 25% more marketing campaigns 1,000 new customers, expanding customer base by 5% $1.0B increase in new opportunities 8% reduction of average territory size, enabling greater customer focus 20% more prospecting calls PolyOne Corporation 25 P O L Y O N E +34% $3.0 billion $4.0 billion A L I G N I N G W I T H T R E N D S F O R G R O W T H T R A N S P O R T A T I O N P A C K A G I N G H E A L T H C A R E C O N S U M E R PolyOne Corporation 26 Facilitate alternative energy solutions Light- weighting Reduce packaging materials Improve recyclability Reduce spread of infection PolyOne Corporation 27 Customization 55% M&A Innovation Pipeline Adjacent Opportunity for Growth Through New Innovation comes from PolyOne Corporation 28 Adjacent Opportunity for Growth Through New New development adjacent to our existing New development beyond our current Development within our current markets and Create new markets, target new customer Service existing markets and Adjacent Opportunity for Growth Through New PolyOne Corporation 29 markets and Create new markets, target new customer Service existing markets and Gordon/Polystrand – Composites GLS – Thermoplastic Elastomers ColorMatrix – Liquid Color & Additives New development adjacent to our existing New development beyond our current Development within our current Adjacent Opportunity for Growth Through New PolyOne Corporation 30 markets and Create new markets, target new customer Service existing markets and Non-Halogen Flame Retardant Polymers Barrier Technologies Fiber Colorants Advanced Composites Thermoplastic Elastomers New development adjacent to our existing New development beyond our current Development within our current I N N O V A T I O N P I P E L I N E PolyOne Corporation 31 PrototypeFrame Opportunity Scale-up & Test Build Business Case Commercial Launch Phase 1 Phase 2 Phase 3 Phase 4 Phase 5 6 2 1 15 4 10 11 4 7 Breakthrough Platform Derivative Number of Projects 26 16 20 15 2 79 Color Technologies – – $335 $670 $410 19 $1,415 Barrier Additives – – $160 $255 – 8 $415 Flame Retardant Polymers – – $200 $50 – 14 $250 Thermoplastic Elastomers – – $410 $80 $30 17 $520 Advanced Composites – – $100 $40 – 8 $140 Specialty Vinyl Formulations – – $25 $75 – 13 $100 Total Addressable Market ($ millions) – – $1,230 $1,170 $440 $2,840 38% $20 $52 Research & Development Spend ($ millions) Vitality Index % of sales from products launched last 5 years I N N O V A T I O N D R I V E S E A R N I N G S G R O W T H PolyOne Corporation 32 A U N I Q U E C U S T O M E R E X P E R I E N C E Industrial Design IQ DESIGN LABS PolyOne Corporation 33 Material & Color Expertise Manufacturing Expertise 3 14 Industrial designers $0 $7M $4M $40M Opportunity funnel New business revenue 3 D P R I N T I N G B R I N G I N G N E W I D E A S T O L I F E PolyOne Corporation 34 Enables validation of fit and function Shortens design cycle and time to market Avoids tooling rework Drives innovation Delivers substantial customer value LSS CUSTOMER FIRST PolyOne Corporation 35 Customer Projects Enables sales growth by building more intimate customer relationships, giving us insight to customers’ needs, with a service that is not easily replicated 2 85 Lead Specialists T H E E V O L V I N G C U S T O M E R R E L A T I O N S H I P PolyOne Corporation 36 Expanded Path Traditional Path Strategic Accounts/ Field Sales Business Development Customer Service Web and Social Media Inside Sales PolyOne Corporation 37 Investments in digital and dedicated inside sales to improve customer experience 80% increase in leads (from 6,000 to 11,000) driven by website, phone, and online chat EXPANDED PATH A D D I N G C U S T O M E R T O U C H P O I N T S 4 21 Inside sellers $11M $88M Inside sales/digital revenue 4 focused end-markets aligned with global megatrends 5 strategic innovation platforms 30% increase in IQ Design projects 35% increase in revenue from inside sales/digital ≥35% vitality index PolyOne Corporation 38 I N N O V A T I N G W I T H P O L Y O N E PolyOne Corporation 39 SEGMENT REVIEWS POLYONE DISTRIBUTION PolyOne Corporation 40 S C O T T H O R N D I S T R I B U T I O N E N D M A R K E T S & S U P P L I E R S PolyOne Corporation 41 23% 22% Electrical & Building & $20 $63 $73 2.9% 5.9% 1.0% 3.0% 5.0% 7.0% 15 25 35 45 55 65 75 Operating Income & Margin2017 Revenue | $1.2 Billion http://www.avient.com/Pages/VariationRoot.aspx http://www.avient.com/Pages/VariationRoot.aspx S E R V I C E I S O U R B U S I N E S S PolyOne Corporation 42 Uniquely positioned to help our customers grow their brand and value-added solutions 1.2B $ Annual Sales 250 Global Employees 24 Strategic Presence 132 Sales Reps Warehouse Locations 6 Service Centers Dedicated Commercial Team S E R V I C E I S O U R B U S I N E S S S A F E L Y A N D R E S P O N S I B L Y PolyOne Corporation 43 95% on-time delivery Customer/Product Combinations 14,000 Transactions/Month In-Person Customer Visits 6,500 27,000 $ PolyOne Corporation 44 37% more sales calls $65M in new revenue from inside sales $400M increase in new opportunities 24% increase in close rate 51% increase in prospecting calls 119 13211 1315 23 Sales R&D / Technical Marketing + 53% + 11% PolyOne Corporation 45 Providing differentiated services that meet the needs of the changing customer landscape G R O W T H T H R O U G H I N S I D E S A L E S $65 PolyOne Distribution Inside Sales $ in millions PolyOne Corporation 46 G R O W T H T H R O U G H M U L T I P L E S A L E S C H A N N E L S Technical Field Sales Key Accounts / Industry Sales Inside Sales Serving a broad spectrum of customers Leveraging digital systems to drive awareness and enhance the customer experience PolyOne Corporation 47 P O D S A L E S +27% $1.2 billion $1.6 billion >10% annual increase in revenue from inside sales and digital with expanded customer touch points 8% annual expansion of sales funnel with best-in-class service and technical expertise 6-8% compound annual operating income growth 6-7% operating margins PolyOne Corporation 48 SPECIALTY ENGINEERED MATERIALS PolyOne Corporation 49 M I C H A E L G A R R A T T S P E C I A L T Y E N G I N E E R E D M A T E R I A L S PolyOne Corporation 50 Engineered Formulations Advanced Thermoplastic Elastomers 19% Electrical & 13% 8% Building & S P E C I A L T Y E N G I N E E R E D M A T E R I A L S Revenue by Region Operating Income & Margin 2 0 1 7 R E V E N U E | $ 6 2 4 M I L L I O N PolyOne Corporation 51 $21 $57 $76 0.1% 5.1% 9.3% 12.1% Europe 28% 48% 22% C A P I T A L I Z I N G O N T H E G L O B A L M A R K E T PolyOne Corporation 52 Demand for engineered materials is accelerating Expanding thermoplastic elastomer portfolio to meet the demands of local consumption Grow and develop low smoke, non-halogen technologies to meet increasing European standards Adding capacity in strategic markets India Germany China North America Establishing a commercial hub in Southeast Asia PolyOne Corporation 53 PolyOne Corporation 54 13% more sales calls 36% increase in customization projects $270M increase in new opportunities 12% reduction in average territory size, enabling greater customer focus 50% improvement in speed of formulation turnaround Increased commercial headcount 133 17335 39 120 147 + 30% + 11% PolyOne Corporation 55 S E M S A L E S +43% $610 million $880 million PolyOne Corporation 56 Leading Sporting Goods Manufacturer Provided Lean Six Sigma training and led an onsite Black Belt project to improve product development cycle times Reduced innovation project cycle times by over 10% and prototyping by 40% 80% increased resulting in $500k savings I N N O V A T I O N S P O T L I G H T : C O M P O S I T E S PolyOne Corporation 57 C O M P O S I T E S R E F R E S H E R PolyOne Corporation 58 Polymer Composite Strength Design Flexibility Continuous Fiber Thermoset Short Glass Fiber Thermoplastics Continuous Fiber Long Glass Fiber Thermoplastics S T R A T E G I C I N V E S T M E N T H I S T O R Y PolyOne Corporation 59 Acquired Polystrand Installed LFT production Avon Lake Long Fiber Thermoplastic (LFT) Technology Installed LFT Barbastro, Spain Acquired Glasforms Acquired Gordon Thermoplastic Long Fiber Reinforced Thermoplastics Continuous Fiber Thermosets 2010 2012 2015 2016 20162009 20122011 2014 C O M P O S I T E S I N T R A N S P O R T A T I O N PolyOne Corporation 60 W A T E R C R A F TR A I L H E A V Y T R U C K Bulkheads and Transoms Ceilings and Hatches Doors and Cabinetry Flooring Door Panels Side Walls Flooring & Side Panels Aerodynamic Fairings Seat and Bunk Reinforcements 44 At Acquisition Now Commercial Resources 0% At Acquisition Goal Operating Margins Test Market Innovation Projects PolyOne Corporation 61 A D V A N C E D C O M P O S I T E S Long-term investments align with key global megatrends Light-Weighting Design Flexibility Sustainability >10% annual increase in customization projects 10% annual expansion of sales funnel, enhancing portfolio in 4 focus end markets 20% increase in global capacity 12-15% compound annual operating income growth 14-16% operating margins PolyOne Corporation 62 PERFORMANCE PRODUCTS & SOLUTIONS PolyOne Corporation 63 D O N W I S E M A N P E R F O R M A N C E P R O D U C T S & S O L U T I O N S PolyOne Corporation 64 Specialty Vinyl Solutions Healthcare Formulations Smart Device Materials Flame Retardant Polymers Building & Electrical & 1% Asia 77% Mexico P E R F O R M A N C E P R O D U C T S & S O L U T I O N S Operating Income & MarginRevenue by Region 2 0 1 7 R E V E N U E | $ 7 2 1 M I L L I O N $40 $33 $56 $77 4.6% 3.6% 7.2% 10.7% 16.0% 10 PolyOne Corporation 65 $886 $668 $773 $721Sales PolyOne Corporation 66 PolyOne Corporation 67 25% more sales calls 113% increase in innovation pipeline $240M increase in new opportunities 36% increase in prospecting calls 300 basis point improvement in operating margin 57 66 18 37 53 + 16% + 43% + 6% PolyOne Corporation 68 P P & S S A L E S +40% $610 million $850 million PolyOne Corporation 69 Leading Wire & Cable Manufacturer Provided Lean Six Sigma training and led on-site Kaizen process improvements Reduced over 400 labor hours through reorganized work area and floor space Increased manufacturing throughput value $1.4M PolyOne Corporation 70 IQ Design is collaborating with a leading medical device manufacturer to replace metal and provide chemical resistance to solve cracking issues related to intense cleaning requirements H E A L T H C A R E I N N O V A T I O N S I N N O V A T I O N S P O T L I G H T : F L A M E R E T A R D A N T P O L Y M E R S PolyOne Corporation 71 F L A M E R E T A R D A N T D R I V E R S PolyOne Corporation 72 Shift toward less toxic solutions Increased consumer awareness Focus on environmentally friendly solutions New regulatory standards F L A M E R E T A R D A N T P E R F O R M A N C E S P E C T R U M PolyOne Corporation 73 Flame Retardant Flame Retardant Flame Retardant Non-Halogen No Dripping Low Smoke Low Toxicity & Corrosiveness H A L O G E N N O N - H A L O G E N L S F O H ( L o w S m o k e a n d F u m e , N o n - H a l o g e n ) Non-Halogen R E G U L A T O R Y C H A N G E S P R O V I D E O P P O R T U N I T Y L E D S O L U T I O N S PolyOne Corporation 74 Solutions for rigid molded & extruded applications Superior outdoor weather performance Excellent light dispersion qualities Formulated to meet stringent flame-rating regulations Custom design support to meet demand 8% more sales calls annually 10% annual expansion of sales funnel, including breakthroughs in healthcare technologies 8-10% compound annual operating income growth 12-14% operating margins PolyOne Corporation 75 COLOR ADDITIVES & INKS PolyOne Corporation 76 M A R K C R I S T C O L O R , A D D I T I V E S & I N K S PolyOne Corporation 77 Solid Colorants Performance Additives Screen Printing Inks Liquid Colorants 27% 14% Textiles Building & 8% Electrical & Operating Income & MarginRevenue by Region C O L O R , A D D I T I V E S & I N K S 2 0 1 7 R E V E N U E | $ 8 9 3 M I L L I O N $104 $139 0.9% 5.5% 12.2% 15.5% 16.0% 18.0% 110 120 130 140 150 PolyOne Corporation 78 Europe 32% 46% 1% Mexico Brazil C A P I T A L I Z I N G O N T H E G L O B A L M A R K E T PolyOne Corporation 79 Emerging markets driving strong demand for color and additives Rapid adoption of food and beverage packaging additives Fiber colorants growth focused on expanding Asia-Pacific market Increase commercial investments focused on China, India and Mexico Expand capacity in China and leverage investments in India Recent acquisitions increasing global reach PolyOne Corporation 80 PolyOne Corporation 81 35% more sales calls 30% increase in customized color formulations 106% increase in innovation pipeline $170M increase in new opportunities 20% increase in prospecting calls 9 days or less in design turnaround time: best-in-class Increased commercial investment 301 382 38 43 209 275 + 27% + 13% + 32% PolyOne Corporation 82 C A I S A L E S +32% $540 million $710 million PolyOne Corporation 83 Developed inventory management framework to reduce working capital by Printing Equipment and Supply Manufacturer Provided Lean Six Sigma training and conducted process mapping exercises to identify key improvement opportunities Optimize manufacturing: 45% improvement in assembly process, 25% cycle time A D D I T I V E & C O L O R A N T T E C H N O L O G I E S PolyOne Corporation 84 B A R R I E R T E C H N O L O G I E S Active oxygen scavenging additive in the bottle wall Evolving technology for active oxygen scavenging additive in the bottle cap Amosorb™ HyGuard™ UV and visible light blocking additive to prevent degradation of product Lactra™ SX Market leader in oxygen, light and UV barrier solutions for the PET bottle market PolyOne Corporation 85 S T R A T E G I C A D D R E S S A B L E M A R K E T > $ 2 0 0 M F I B E R C O L O R A N T S Eliminate waste water associated with conventional dyeing Help meet sustainability targets for brand owners Enable “uncolored fiber” producers to bypass dyehouse Strategic addressable market >$300M PolyOne Corporation 86 S T R A T E G I C I N V E S T M E N T H I S T O R Y PolyOne Corporation 87 Thermoplastic 2011 2015 2018 Acquired ColorMatrix Acquired Magenta Acquired IQAP $10 $45 Revenue from Fiber Color Invested in development of liquid fiber colorant technology Expanded solid colorant offerings 38 43 At Acquisition Now Commercial Resources Innovation Projects PolyOne Corporation 88 I N V E S T I N G F O R T H E F U T U R E Nearly 900 projects identified Gaining sustainable momentum & building trust with consumers Sales Funnel $125M “We are unleashing the power of human potential, all to advance the game. Leverage PolyOne’s global reach Phase 1 Phase 2 Phase 3 18-20% operating margins Invest in commercial resources I N V E S T - T O - G R O W P R O O F O F P E R F O R M A N C E PolyOne Corporation 98 Commercial Operating Income Operating 243 335 $36 $90 Established Acquisitions (> 7 years) + 40% + 150% + 900 bps I N V E S T - T O - G R O W P R O O F O F P E R F O R M A N C E PolyOne Corporation 99 Commercial Operating Income (millions) 53 109 187 214 3 12 $12 $45 $22 $42 $2 Acquisition #1 (10 years) Acquisition #3 (7 years) Acquisition #2 (9 years) EBITDA Multiple 10.5x 3.0x 11.1x 7.6x 4.9x 2.8x 23% 17% 21% Return on Sales I N V E S T - T O - G R O W D R I V I N G T H E F U T U R E PolyOne Corporation 100 Commercial Operating Income Operating 44 65 $0 $0 0% 0% Advanced Composites I N V E S T - T O - G R O W D R I V I N G T H E F U T U R E PolyOne Corporation 101 Commercial Operating Income Operating 96 141 $16 $18 $36 11% 12% 18-20% Recent Color Acquisitions PolyOne Corporation 102 Average Company Size # of Possibilities Rationale 250 • Local to regional footprint • Niche technology focus • Concentrated customer base $50M–$200M 150 • Regional to global footprint • 1–3 specialty technologies • Diversified customer base >$200M 30 • Global footprint with local service • Diverse specialty technologies • Highly diversified customer & market portfolio S T R O N G P I P E L I N E D R I V E N B Y F R A G M E N T E D M A R K E T S U M M A R Y PolyOne Corporation 103 Proven track record with specialty acquisitions using invest-to-grow strategy Our approach to integration differentiates PolyOne in a competitive M&A market Trusted brand and reputation Buyer of choice Robust pipeline with a range of opportunities that fit our strategy FINANCIAL REVIEW B R A D R I C H A R D S O N PolyOne Corporation 104 PolyOne Corporation 105 A D J U S T E D E P S E X P A N S I O N 2009 2010 2011 2012 2013 2014 2015 2016* 2017* C O N S E C U T I V E Y E A R S $0.13 $0.68 $0.82 $1.00 $1.31 $1.80 $1.96 $2.06 $2.21 *Pro Forma for sale of DSS PolyOne Corporation 106 S T R A T E G I C C A S H D E P L O Y M E N T ORGANIC GROWTH Investing in R&D and capacity 11 Maintenance 40% Strategic Growth Investments 60% Capital Expenditures M&A OPPORTUNITIES Continued pursuit of strategic bolt on acquisitions that expand specialty offerings 2 SHAREHOLDER RETURN Dividends and share buybacks3 Over $400 million M&A Spending Since 2014 $809 million Share Repurchases 2011-Q1 2018 60% Increase in annual dividend over next three years 2011 2013 2015 2017 “Where we were” “Where we are” ROIC 5.0% 14.0% Operating Income % of Sales Color, Additives & Inks 1.7% 15.5% Specialty Engineered Materials 1.1% 12.1% Performance Products & Solutions 4.3% 10.7% Distribution 2.6% 6.3% P R O O F O F P E R F O R M A N C E E X P A N D I N G M A R G I N S & R O I C PolyOne Corporation 107 I N V E S T M E N T I N COMMERCIAL RESOURCES D R I V I N G R E S U L T S PolyOne Corporation 108 Largest organic revenue growth since recession $2.9 $2.9 $3.2 2015 2016 2017 Revenue in billions of $ Total + 10% Organic + 7% S U S T A I N A B L E P A T H T O D O U B L E - D I G I T E P S G R O W T H PolyOne Corporation 109 Double digit annual EPS growth Expand specialty portfolio with strategic acquisitions Innovate and develop new technologies and services Repurchase 600K-1M shares annually Increase commercial resources 6-8% annually Double acquired company margins Enhance efficiencies through Lean Six Sigma and commercial excellence R O I C D R I V E S S H A R E H O L D E R R E T U R N PolyOne Corporation 110 R O I C D R I V E S S H A R E H O L D E R R E T U R N PolyOne Corporation 111 $570 $1,650 $1,750 $2,000 ROIC Invested Capital Improving ROIC + Expanding Invested Capital = Outperforming the Market CONCLUSION B O B P A T T E R S O N PolyOne Corporation 112 1 Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except per share data) Senior management uses comparisons of adjusted net income from continuing operations attributable to PolyOne shareholders and diluted adjusted earnings per share (EPS) from continuing operations attributable to PolyOne shareholders, excluding special items, to assess performance and facilitate comparability of results.

The following discussion is not an all-inclusive listing of risks, although we believe these are the more material risks that we face. Kalol, India 76. Pune, India 77.

The Invoices table will show the following information for all the invoices you sent to Avient. You can see all comments or add comments when you open the invoice. Select Avient from the Select Customer drop-down list in the top right corner. 3 The Invoice Lines table will then show the following information for all the invoice lines: Column Description Invoice # Invoice number generated by Coupa.