Consumer, Packaging, Healthcare, Electrical & Electronics, Appliance Overmolding Clear and heat resistant TPEs Ultra clear grades Ultra soft TPE gels, 30 shore OO FDA, USP Class VI, ISO 10993 approved grades NSF and UL listings Sterilizable under autoclave, radiation, and EtO gas Extrusion, injection, and blow moldable GLS™ THERMOPLASTIC ELASTOMERS * Commercially available in North America only 1 See technical data sheets for complete product details NAME BASE RESIN(S) AVAILABLE FEATURES1 ECCOH™ Polyolefin Flame retardant, low smoke and fume, zero halogen (LSFOH) Cross-linkable grades Chemical, oil, and gel resistant Flexible, low friction, easy-peel, and high speed processing Compatible with Avient additives and color masterbatches FireCon™ CPE, CPE Alloy Low and medium voltage cable jacketing Flame retardant and 90°C deformation resistance Oil resistance RoHS grades available Maxxam™ FR PE, PP UL Yellow Card for plenum applications Halogen-free flame retardant grades available Maxxam™ SY Foamable PP co-polymer Easy processing Variety of final densities available Corrosion resistance Syncure™ XLPE High performance moisture cure technology UL bulletinized XHHW2 and VW1 Temperature, abrasion, and oil resistant WIRE AND CABLE SPECIALTY THERMOPLASTICS To learn more, please visit avient.com or call +1.844.4AVIENT (+1.844.428.4368).

We provide total support from design through production, including navigation of a complex regulatory environment, delivering solutions that let you get your products to market faster and with greater confidence.

These include: • Industrial – Conveyor belts (food production and pharmaceutical industries) and controls ( joy sticks, machinery handles and knobs, corrugated bellows, tool grips) • Electrical and electronic devices – Seals and gaskets, radars and sensors • ADAS components – Camera systems, navigation systems, vehicle control systems, infotainment systems PRODUCT OVERVIEW STAT-TECH SOLUTIONS KEY TECHNICAL PROPERTIES Material Description Base Resin Color Hardness Range Surface Resistivity (Ω) Key Characteristics ST0100-5003 ESD FD White VN8904 GP0F025721 TPU White 85 ShA 108 to 109 High elongation, static conductive, FDA compliance ST0100-5006 ESD X2 Natural TPU Natural 85 ShA 107 to 109 High elongation, static conductive ST0200-5001 ESD Natural X1 TPE Natural 40 ShD 107 to 109 High elongation, permanent anti-static, static conductive SST0200-5004 ESD Black TPE Black 40 ShA 103 to 105 Electrically conductive, static dissipative, lower hardness ST0200-5002 EC ES Black TPE Black 60 ShA 100 to 102 Electrically conductive, high elongation ST0200-5009 EC Black TPE Black 60 ShA 100 to 102 Electrically conductive, high elongation Property Unit Standard Test Methods ST0100-5003 ESD FD White VN8904 GP0F02571 ST0100- 5006 ESD X2 Natural ST0200- 5001 ESD Natural X1 ST0200- 5004 ESD Black ST0200- 5002 EC ES Black ST0200- 5009 EC Black Base Resin TPU TPU TPE TPE TPE TPE Physical Properties Hardness Shore ISO 48-4 85A 85A 50D 40A 60 A 60A Density ISO 1183 1.19 1.15 1 1.01 0.965 1.21 Mechanical Properties Tensile Strength (Break) Mpa DIN 53404 10 15 15 4 5.7 2.5 Elongation, Break % DIN 53504 600 650 500 300 400 250 Electrical Properties Surface Resistivity Ω IEC 60093 108 to 109 107 to 109 107 to 109 103 to 105 100 to 102 100 to 102 Volume Resistivity Ω.cm IEC 60093 108 to 109 107 to 109 107 to 109 103 to 105 100 to 102 100 to 102 Color White Natural Natural Black Black Black Copyright © 2023, Avient Corporation.

ABS Quality Evaluations, Inc. 1701 City Plaza Drive, Spring, TX 77389, U.S.A. Langiewicza 50 Konstantynów Łódzki, Lodzki 95-050 Poland Facility: Clariant Masterbatches (Saudi Arabia) Ltd 2nd Industrial City, Al-Kharj Road P.O. No. 2 Nan Yun San Rd., Science City Guangzhou Hi-Tech Industrial Development Zone Guangzhou, Guangdong Province 510663 People's Republic of China Facility: Avient Colorants (Shanghai) Ltd.

ECert.pdf ABS Quality Evaluations ABS Quality Evaluations, Inc. 1701 City Plaza Drive, Spring, TX 77389, U.S.A.

ABS Quality Evaluations, Inc. 1701 City Plaza Drive, Spring, TX 77389, U.S.A.

ABS Quality Evaluations, Inc. 1701 City Plaza Drive, Spring, TX 77389, U.S.A.

ABS Quality Evaluations, Inc. 1701 City Plaza Drive, Spring, TX 77389, U.S.A.

Factors that could cause actual results to differ materially from those implied by these forward-looking statements include, but are not limited to:  The final amount of charges resulting from the planned North American asset realignment and the Company’s ability to realize anticipated savings and operational benefits from the asset realignment;  Our ability to achieve the strategic and other objectives relating to the acquisition of Spartech Corporation, including any expected synergies;  Our ability to successfully integrate Spartech and achieve the expected results of the acquisition, including, without limitation, the acquisition being accretive;  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 in the markets where we conduct business;  Changes in global industry capacity or in the rate at which anticipated changes in industry capacity come online;  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, employee productivity goals, and an inability to raise or sustain prices for products or services;  An inability to raise or sustain prices for products or services;  An inability to maintain appropriate relations with unions and employees;  The inability to achieve expected results from our acquisition activities;  Our ability to continue to pay cash dividends;  The amount and timing of repurchases of our common shares, if any; and  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 Use of Non-GAAP Measures Page 3 -150.00% -50.00% 50.00% 150.00% 250.00% 350.00% PolyOne S&P 500 Strategy and Execution Drive Results Page 4 All time closing high of $29.48 August 1, 2013 • 15 consecutive quarters of double digit EPS growth • 42% CAGR adjusted EPS expansion 2006-2012 • YTD stock price has increased 42% versus 20% growth in the S&P • 275% increase in market cap: $0.7b $2.6b since 2006 The World’s Premier Provider of Specialized Polymer Materials, Services & Solutions Four Pillar Strategy Page 5 PP&S 15% Specialty 60% Distribution 25% 0.12 0.27 0.21 0.13 0.68 0.82 1.00 2.50 $0.00 $0.25 $0.50 $0.75 $1.00 $1.25 $1.50 $1.75 $2.00 $2.25 $2.50 2006 2007 2008 2009 2010* 2011* 2012* 2015 Target A dj us te d Ea rn in gs P er S ha re Appliance 6% Building & Construction 13% Wire & Cable 9% Electrical & Electronics 4% Consumer 9% Packaging 18% Industrial 10% Misc. 5% HealthCare 9% Transportation 16% Textiles 1% United States 70% Europe 14% Canada 8% Asia 5% Latin America 3% 2012 Revenues: $4.0 Billion* End Markets* 2012 Revenues: $4.0 Billion* EPS Page 6 * Pro Forma includes FY2012 results for Spartech (11/03/12 YE) and Glasforms & excludes discontinued operations PolyOne At A Glance * Restated to exclude discontinued operations Old PolyOne Transformation *Operating Income excludes corporate charges and special items **Pro Forma results include Spartech and Glasforms acquisitions, Specialty Coatings reclass and excludes discontinued operations 2% 34% 43% 45% 60% 65- 75% 0% 20% 40% 60% 80% 100% 2005 2008 2010 2012 2012 PF** 2015 % o f O pe ra ti ng In co m e* JV's PP&S Distribution Specialty Specialty OI $5M $46M $87M $114M $150M Target Mix Shift Highlights Specialty Transformation 2015 Target Page 7 2006 H1 2013 2015 Where we were Where we are Organic Consolidated Target 1) Operating Income % Specialty: Global Color, Additives & Inks 1.7% 12.7% 12.6% 12 – 16% Global Specialty Engineered Materials 1.1% 10.9% 9.2% 12 – 16% Designed Structures & Solutions — — 4.4% 8 – 10% Performance Products & Solutions 5.4% 8.1% 8.2% 9 – 12% Distribution 2.6% 6.1% 6.1% 6 – 7.5% 2) Specialty Platform % of Operating Income 6.0% 62% 65 – 75% 3) ROIC* (after-tax) 5.0% 9.4% 15% 4) Adjusted EPS Growth N/A 26% Double Digit Expansion Proof of Performance & 2015 Goals *ROIC is defined as TTM adjusted OI divided by the sum of average debt and equity over a 5 quarter period Page 8 *Percentage of Specialty Platform revenue from products introduced in last five years 19.5% 46.5% 2006 Q2 2013 $20.3 $44.7 2006 TTM Q2'13 14.3% 31.1% 2006 Q2 2013 Research & Development Spending Specialty Platform Vitality Index Progression* Innovation Drives Earnings Growth ($ millions) Specialty Platform Gross Margin % Page 9 We are Experts in Polymer Science and Formulation  Polymer Science  Formulation  Chemistry  Processing Inputs  Base Resins  Additives  Modifiers  Colorants Specialized Polymer Materials, Services, and Solutions Expertise Satisfied Consumers PolyOne Customer Innovative Products & Services  Marketplace Demands  Performance Requirements  Value Drivers Page 10 Positioned for Strong Growth 2015 Target Rev: $5B Adj. EPS: $1.00 $0.54 $0.68 $0.30 $0.45 $0.60 $0.75 H1'12 H1'13 Adjusted EPS $101.0 $132.6 $50.0 $100.0 $150.0 H1'12 H1'13 Adjusted Operating Income (millions) +31% $68.6 $97.7 $50.0 $75.0 $100.0 H1'12 H1'13 Specialty Operating Income (millions) First Half 2013 Financial Highlights • Adjusted EPS increased 26% over prior year first half • Operating Income expanded 31% versus first half 2012 • Specialty operating income up 42% • Revenue grew 22% versus 1H ‘12 • Portfolio transformation activities  Completed acquisition of Spartech  Divested non-core Resin business +26% +42% Page 12 • Significant Debt Maturities $ 1,010 Other Debt 21 • Total Debt at 6/30/13 Less: Cash Net Debt • Available Liquidity Cash ABL Availability Total Liquidity • Net Debt / EBITDA = 1.9x • Net Debt / EBITDA = 2.1x*(tax adjusted) $392 310 $702 $1,031 392 $639 $50 $360 $600 $0 $100 $200 $300 $400 $500 $600 $700 $800 2015 2020 2023 Significant Debt Maturities As of June 30, 2013 ($ millions) Page 13 Coupon Rates: 7.500% 7.375% 5.250% *Pro Forma TTM for taxes on resin gain Debt Maturities & Liquidity Summary – 6/30/13 Cash Balance = $392M Net Debt / EBITDA* = 1.9x • Repurchased ~3.0M shares YTD in 2013 • 17 million shares are available for repurchase under the current authorization Share Repurchase • Introduced a quarterly dividend in Q1 2011 and increased in Q1 2012 (25%) and Q1 2013 (20%) • Objective of maintaining and growing Dividends • Expanding our sales, marketing, and technical capabilities is top priority • Investing in operational and LSS initiatives (including synergy capture) • CAPEX Organic Growth • Targets that expand our: • Specialty offering • End market presence • Geographic footprint • Synergy opportunities • Adjacent material solutions • North American manufacturing alignment Acquisitions *TTM 6/30/2013 Use of Cash Page 14 Why Invest In PolyOne?

Factors that could cause actual results to differ materially from those implied by these forward-looking statements include, but are not limited to:  The final amount of charges resulting from the planned North American asset realignment and the Company’s ability to realize anticipated savings and operational benefits from the asset realignment;  Our ability to achieve the strategic and other objectives relating to the acquisition of Spartech Corporation, including any expected synergies;  Our ability to successfully integrate Spartech and achieve the expected results of the acquisition, including, without limitation, the acquisition being accretive;  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 in the markets where we conduct business;  Changes in global industry capacity or in the rate at which anticipated changes in industry capacity come online;  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, employee productivity goals, and an inability to raise or sustain prices for products or services;  An inability to raise or sustain prices for products or services;  An inability to maintain appropriate relations with unions and employees;  The inability to achieve expected results from our acquisition activities;  Our ability to continue to pay cash dividends;  The amount and timing of repurchases of our common shares, if any; and  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 Use of Non-GAAP Measures Page 3 -150.00% -50.00% 50.00% 150.00% 250.00% 350.00% PolyOne S&P 500 Page 4 All time high of $32.32 October 21st, 2013 • 16 consecutive quarters of double digit EPS growth • 42% CAGR adjusted EPS expansion 2006-2012 • YTD stock price has increased 56% versus 22% growth in the S&P • Six fold increase in market cap: $0.5b $3.0b Strategy and Execution Drive Results PP&S 15% Specialty 60% Distribution 25% 0.12 0.27 0.21 0.13 0.68 0.82 1.00 2.50 $0.00 $0.25 $0.50 $0.75 $1.00 $1.25 $1.50 $1.75 $2.00 $2.25 $2.50 2006 2007 2008 2009 2010* 2011* 2012* 2015 Target A dj us te d Ea rn in gs P er S ha re Appliance 6% Building & Construction 13% Wire & Cable 9% Electrical & Electronics 4% Consumer 9% Packaging 18% Industrial 10% Misc. 5% HealthCare 9% Transportation 16% Textiles 1% United States 70% Europe 14% Canada 8% Asia 5% Latin America 3% 2012 Revenues: $4.0 Billion* End Markets* 2012 Revenues: $4.0 Billion* EPS Page 5 * Pro Forma includes FY2012 results for Spartech (11/03/12 YE) and Glasforms & excludes discontinued operations PolyOne At A Glance * Restated to exclude discontinued operations Old PolyOne Transformation *Operating Income excludes corporate charges and special items 2% 34% 43% 63% 65- 75% 0% 20% 40% 60% 80% 100% 2005 2008 2010 YTD 2013 2015 % o f O pe ra ti ng In co m e* JV's PP&S Distribution Specialty Specialty OI $5M $46M $87M $153M Target Mix Shift Highlights Specialty Transformation 2015 Target Page 6 2006 YTD 2013 2015 Where we were Where we are Organic Consolidated Target 1) Operating Income % Specialty: Global Color, Additives & Inks 1.7% 12.8% 12.8% 12 – 16% Global Specialty Engineered Materials 1.1% 10.8% 8.9% 12 – 16% Designed Structures & Solutions — — 5.0% 8 – 10% Performance Products & Solutions 5.5% 8.0% 8.2% 9 – 12% Distribution 2.6% 6.1% 6 – 7.5% 2) Specialty Platform % of Operating Income 6.0% 63% 65 – 75% 3) ROIC* (after-tax) 5.0% 9.4% 15% 4) Adjusted EPS Growth N/A 28% Double Digit Expansion Proof of Performance & 2015 Goals *ROIC is defined as TTM adjusted OI divided by the sum of average debt and equity over a 5 quarter period Page 7 *Percentage of Specialty Platform revenue from products introduced in last five years 19.5% 44.0% 2006 Q3 2013 $20.3 $46.6 2006 TTM Q3'13 14.3% 31.0% 2006 Q3 2013 Research & Development Spending Specialty Platform Vitality Index Progression* Innovation Drives Earnings Growth ($ millions) Specialty Platform Gross Margin % Page 8 We are Experts in Polymer Science and Formulation  Polymer Science  Formulation  Chemistry  Processing Inputs  Base Resins  Additives  Modifiers  Colorants Specialized Polymer Materials, Services, and Solutions Expertise Satisfied Consumers PolyOne Customer Innovative Products & Services  Marketplace Demands  Performance Requirements  Value Drivers Page 9 Positioned for Strong Growth 2015 Target Rev: $5B Adj. EPS: $1.00 $0.28 $0.36 $0.20 $0.30 $0.40 Q3 '12 Q3 '13 Adjusted EPS $51.8 $72.4 $40.0 $60.0 $80.0 Q3 '12 Q3 '13 Adjusted Operating Income (millions) 40% $31.7 $55.3 $20.0 $40.0 $60.0 Q3 '12 Q3 '13 Specialty Operating Income (millions) Q3 2013 Financial Highlights • Adjusted EPS increased 29% over prior year • Adjusted Operating Income expanded 40% versus Q3 2012 • Specialty operating income up 74% • Revenue increases 43% versus Q3 2012 • Portfolio transformation activities  Completed acquisition of Spartech  Divested non-core Resin Business 29% 74% Page 11 Significant Debt Maturities Other Debt Total Debt at 9/30/13 Less: Cash Net Debt Available Liquidity Cash ABL Availability Total Liquidity Net Debt / EBITDA* = 1.9x $48 $317 $600 $0 $100 $200 $300 $400 $500 $600 $700 $800 2015 2020 2023 Significant Debt Maturities As of September 30, 2013 ($ millions) Page 12 Coupon Rates: 7.500% 7.375% 5.250% Debt Maturities & Liquidity Summary – 9/30/13 $ 965 22 $ 987 323 $ 664 $ 323 308 $631 *TTM 9/30/2013 Cash Balance = $323M Net Debt / EBITDA* = 1.9x • Repurchased 3.8M shares YTD in 2013 • 16.2 million shares are available for repurchase under the current authorization • Repurchased $45 million, par value, of higher coupon bonds YTD Share/Bond Repurchase • Introduced a quarterly dividend in Q1 2011 and increased in Q1 2012 (25%) and Q1 2013 (20%) • Objective of maintaining and growing Dividends • Expanding our sales, marketing, and technical capabilities is top priority • Investing in operational and LSS initiatives (including synergy capture) • North American manufacturing alignment • CAPEX Organic Growth • Targets that expand our: • Specialty offering • End market presence • Geographic footprint • Synergy opportunities • Adjacent material solutions Acquisitions *TTM 9/30/2013 Use of Cash Page 13 Why Invest In PolyOne?