S&P 500 All time high of $39.55 May 13th, 2014 Page 8 2006 Q1 2014 2015 “Where we were” “Where we are” Target 1) Operating Income % Specialty: Global Color, Additives & Inks 1.7% 13.8% 12 – 16% Global Specialty Engineered Materials 1.1% 11.6% 12 – 16% Designed Structures & Solutions -- 6.5% 8 – 10% Performance Products & Solutions 5.5% 7.7% 9 – 12% Distribution 2.6% 6.1% 6 – 7.5% 2) Specialty Platform % of Operating Income 6.0% 64% 65 – 75% 3) ROIC* 5.0% 9.4% 15% 4) Adjusted EPS Growth N/A 42% 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 9 Bridge to $2.50 Adjusted EPS by 2015 2015 EPS: $2.50 2013 EPS: $1.31 Continued Gross Margin Expansion Mergers & Acquisitions Spartech Accretion Incremental share buybacks Ongoing LSS Programs (50-100 bps/yr) Accelerated Innovation & Mix Improvement Several Levers to Drive Growth Mid single digit revenue CAGR Page 10 Innovation Drives Earnings Growth *Percentage of Specialty Platform revenue from products introduced in last five years Page 11 $20 $53 2006 2013 Research & Development Spending ($ millions) Specialty Platform Vitality Index Progression* 14.3% 30.7% 2006 2013 Specialty Platform Gross Margin % 19.5% 43.0% 2006 2013 Healthcare Consumer Packaging and Additive Technology Transportation Page 12 Unique and Innovative Solutions https://www.dropbox.com/sh/dwe4t8aacvhb8ui/uD3p_bdglP/Presentation revise pics/GLS Beverage can closure XO 2.jpg https://www.dropbox.com/sh/dwe4t8aacvhb8ui/-YgkycKypw/Anti-Counterfeiting release & images/GN1979.JPG 60% 100% 20% 30% 40% 50% 60% 70% 80% 90% 100% 2008 2014 Pension Funding** As of March 31, 2014 Debt Maturities & Pension Funding – 3/31/14 Net Debt / EBITDA* = 1.9x $48 $317 $600 $0 $100 $200 $300 $400 $500 $600 $700 $800 2015 2020 2023 Debt Maturities As of March 31, 2014 ($ millions) Coupon Rates: 7.500% 7.375% 5.250% ** includes US-qualified pension plans only *TTM 3/31/2014 Page 13 Free Cash Flow and Strong Balance Sheet Fund Investment / Shareholder Return $0.16 $0.20 $0.24 $0.32 $0.10 $0.20 $0.30 $0.40 2011 2012 2013 2014 Annual Dividend  Expanding our sales, marketing, and technical capabilities  Targets that expand our: • Specialty offerings • End market presence • Geographic footprint • Operating Margin  Synergy opportunities  Adjacent material solutions  Repurchased 1.4 million shares in Q1 2014  Repurchased 6.4 million shares since April 2013  13.6 million shares are available for repurchase under the current authorization Organic Growth Acquisitions Share Repurchases Dividends  Investing in operational and LSS initiatives (including synergy capture) Manufacturing alignment Page 14 The New PolyOne: A Specialty Growth Company Why Invest In PolyOne?

Overview of how Avient serves wire & cable customers, highlighting both power and data cables technologies

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Use of Non-GAAP Measures Page 3 PolyOne Commodity to Specialty Transformation Page 4 • Continue specialty transformation • Targeting $2.50 Adjusted EPS by 2015, nearly double 2013 EPS • Drive double digit operating income and adjusted EPS growth • 17 consecutive quarters of double- digit adjusted EPS growth • Shift to faster growing, high margin, less cyclical end markets • Key acquisitions propel current and future growth, as well as margin expansion • Established aggressive 2015 targets • 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 • Volume driven, commodity producer • Heavily tied to cyclical end markets • Performance largely dependent on non- controlling joint ventures 2000-2005 2006 - 2009 2010 – 2013 2014 and beyond -150.00% -50.00% 50.00% 150.00% 250.00% 350.00% PolyOne S&P 500 Russell 2000 Dow Jones Chemical All time high of $38.38 March 7th, 2014 • 17 consecutive quarters of double digit EPS growth • 49% CAGR adjusted EPS expansion 2006-2013 • 2013 stock price increased 73% versus 30% growth in the S&P • More than seven fold increase in market cap: $0.5b $3.6b Strategy and Execution Drive Results Page 5 Appliance 4% Building & Construction 13% Wire & Cable 9% Electrical & Electronics 5% Consumer 10%Packaging 16% Industrial 12% HealthCare 11% Transportation 18% Misc. 2% United States 66% Europe 14% Canada 7% Asia 6% Latin America 7% PP&S 20% Specialty 53% Distribution 27% 0.12 0.27 0.21 0.13 0.68 0.82 1.00 1.31 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 2013 2015 Target Ad ju st ed E ar ni ng s P er S ha re 2013 Revenues: $3.8 Billion End Markets 2013 Revenues: $3.8 Billion EPS Page 6 PolyOne At A Glance Old PolyOne Transformation *Operating Income excludes corporate charges and special items 2% 34% 43% 62% 65- 75% 0% 20% 40% 60% 80% 100% 2005 2008 2010 2013 2015 % o f O pe ra tin g In co m e* JV's Performance Products & Solutions Distribution Specialty Specialty OI $5M $46M $87M $195M Target Mix Shift Highlights Specialty Transformation 2015 Target Page 7 2006 2013 2015 “Where we were” “Where we are” Target 1) Operating Income % Specialty: Global Color, Additives & Inks 1.7% 12.2% 12 – 16% Global Specialty Engineered Materials 1.1% 9.3% 12 – 16% Designed Structures & Solutions -- 5.6% 8 – 10% Performance Products & Solutions 5.4% 7.2% 9 – 12% Distribution 2.6% 5.9% 6 – 7.5% 2) Specialty Platform % of Operating Income 6.0% 62% 65 – 75% 3) ROIC* (after-tax) 5.0% 9.1% 15% 4) Adjusted EPS Growth N/A 31% 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 Bridge To $2.50 Adjusted EPS By 2015 2015 EPS: $2.50 2013 EPS: $1.31 Mid single digit revenue CAGR Page 9 Mergers & Acquisitions Spartech accretion Incremental share buybacks Ongoing LSS Programs (50-100 bps/yr) Accelerated Innovation & Mix Improvement Innovation Drives Earnings Growth $20.3 $52.3 2006 2013 Research & Development Spending ($ millions) Specialty Platform Vitality Index Progression* *Percentage of Specialty Platform revenue from products introduced in last five years Page 10 14.3% 30.7% 2006 2013 Specialty Platform Gross Margin % 19.5% 43.0% 2006 2013 Healthcare Consumer Packaging and Additive Technology Transportation Page 11 Unique and Innovative Solutions that Help Customers Win https://www.dropbox.com/sh/dwe4t8aacvhb8ui/uD3p_bdglP/Presentation revise pics/GLS Beverage can closure XO 2.jpg https://www.dropbox.com/sh/dwe4t8aacvhb8ui/-YgkycKypw/Anti-Counterfeiting release & images/GN1979.JPG Net Debt / EBITDA* = 1.8x $48 $317 $600 $0 $100 $200 $300 $400 $500 $600 $700 $800 2015 2020 2023 Significant Debt Maturities As of December 31, 2013 ($ millions) Page 12 Coupon Rates: 7.500% 7.375% 5.250% Debt Maturities & Pension Funding – 12/31/13 *TTM 12/31/2013 ** includes US-qualified plans only 60% 100% 20% 30% 40% 50% 60% 70% 80% 90% 100% 2008 2013 Pension Funding** As of December 31, 2013 Free Cash Flow and Strong Balance Sheet Fund Investment •Targets that expand our: • Specialty offerings •End market presence •Geographic footprint •Operating Margin • Synergy opportunities •Adjacent material solutions •Expanding our sales, marketing, and technical capabilities • Investing in operational and LSS initiatives (including synergy capture) •Manufacturing alignment Organic Growth Share Repurchases Dividends Acquisitions Page 13 $0.16 $0.20 $0.24 $0.32 $0.00 $0.10 $0.20 $0.30 $0.40 2011 2012 2013 2014 Annual Dividend • Repurchased ~5 million shares in 2013 • 15 million shares are available for repurchase under the current authorization The New PolyOne: A Specialty Growth Company 2015 Target: $2.50 Adjusted EPS Why Invest In PolyOne?

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Buyer acknowledges and represents that it is familiar with and shall strictly comply with all applicable laws and regulations concerning the trade, export or re-export of products, services, data or technology (“Items”), including the International Traffic in Arms Regulations (ITAR), the Export Administration Regulations (EAR) and the trade sanctions regulations administered by the U.S.

Buyer acknowledges and represents that it is familiar with and shall strictly comply with all Laws and Standards concerning the trade, export or re-export of products, services, data or technology (“Items”), including the International Traffic in Arms Regulations (ITAR), the Export Administration Regulations (EAR) and the trade sanctions regulations administered by the U.S.

For the same reasons, Avient is unable to address the probable significance of the unavailable information. 2 3 AVIENT OVERVIEW 2023 Financial ResultsCompany Overview Revenue By: 9,300 Employees 102 Manufacturing Sites 20,000+ Customers  Innovating materials and processing solutions to solve our customers’ challenges while enabling a sustainable world  Broad portfolio of technologies with market leading positions and flexibility to anticipate and meet customer needs  Focus is on organic revenue growth and margin expansion, following our successful portfolio transformation $3.14B Revenue $2.36 Adjusted EPS $502M Adjusted EBITDA 16.0% Adjusted EBITDA Margins $186M Adjusted Free Cash Flow U.S. & Canada EMEA Asia Latin America 64% 36% Specialty Engineered Materials Color Additives and Inks 41% 36% 18% 5% 7% 7% 23% 19% 9% 16% 10% 5% 4% Defense Healthcare Packaging Consumer Building & Construction Industrial Transportation Energy Telecom Geography Segment Industry 2024 Financial Guidance $515 to $540 million Adjusted EBITDA $2.55 to $2.70 Adjusted EPS 4 Industry Sustainability Standards ESG Ratings Performance 1 2 4 87th 94th percentile Avient CDP Score: A- SUSTAINABILITY PERFORMANCE AND RECOGNITION AU G U S T 6 , 20 24 W EB CAS T P RE SE N TATI O N 6 Q2 2024 HIGHLIGHTS • 5% organic sales growth supported by broad-based growth across all regions in both CAI and SEM segments • Growth stemmed from gaining share, winning new product specifications and restocking in certain end markets • Cost control and operational discipline expanded EBITDA margins by 100 bps • EPS exceeded guidance by $0.05 and increased 21% vs the prior year Adj.

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TPE suppliers have responded developing a variety of compounds with the attributes to bond to several engineering plastics such as nylon (PA), polycarbonate (PC), Acrylonitrile-butadiene-styrene (ABS), and PC/ABS alloys This paper elaborates different TPE technologies developed to bond to various rigid substrates i.e.