Aug 25, 2021

MOVE OVER METAL Compared to steel, carbon fiber composites are: Tensile Strength 400–500 ksi Density 1.55 g/cm3 Concrete reinforcement, infrastructure repair BUST THE RUST Carbon fiber composites are inherently corrosion resistant, making them ideal for harsh outdoor applications MEET YOUR NEEDS Avient customizes composite materials to meet your specifications, from specialty surface treatments to finishing operations TAKE THE HEAT Carbon fiber composites have excellent dimensional stability to withstand extreme temperatures and conditions stronger 10X 5X lighter Archery bow limbs, risers, cable guards, arrows https://www.avient.com/products/advanced-composites/pultrusion-and-continuous-filament-winding-technology/glasforms-pultruded-rods-tubes-custom-profiles https://www.avient.com/products/advanced-composites/continuous-fiber-composite-tape-laminates-and-barstock/gordon-composites-thermoset-laminates-barstock https://www.avient.com/sites/default/files/2021-11/carbon-fiber-reinforced-product-bulletin.pdf

Certificate of Registration 9001:2015 MSP 9001:2015–MSP-ANAB-US (2.0) Page 1 of 2 Certificate of Registration of Quality Management System to ISO 9001:2015 The National Standards Authority of Ireland certifies that: Colorant Chromatics Ab Kroklundsvagen 346 AX-22 320 Odkarby Aland Finland has been assessed and deemed to comply with the requirements of the above standard in respect of the scope of operations given below: The Design, Manufacture and Sales of Fluoropolymer Color Concentrates and Compounds Additional sites covered under this multi-site certification are listed on the Annex (File No. 19.2540/C) Approved by: Geraldine LarkinChief Executive Officer Approved by: Lisa Greenleaf Operations Manager Registration Number: 19.2540/C Certification Granted: May 15, 1997 Effective Date: Oct 20, 2018 Expiry Date: Oct 19, 2021 National Standards Authority of Ireland, 20 Trafalgar Square, Nashua, New Hampshire, NH 03063, USA T +1 603 882 4412 9001:2015–MSP-ANAB-US (2.0) Page 2 of 2 Annex to Certificate Number: 19.2540/C Scope of Registration: The Design, Manufacture and Sales of Fluoropolymer Color Concentrates and Compounds Activity Location Central Management Group, Design, Manufacture Colorant Chromatics Kroklundsvagen 346 AX-22 320 Odkarby Aland Finland File No.: 19.2540/C Headquarters, Sales, Distribution Colorant Chromatics Europe B.V.

TEL:+31102922689. assurance.dnvgl.com C ertificate No: 7071-1998-AQ-RGC-RvA Initial certification date: 28 A pril, 1998 V alid: 29 March, 2018 - 29 March, 2021 This is to certify that the management system of PolyOne-Shanghai, China No. 88, Guo Shou Jing Road, Z.

环境管理体系认证 证书编号：04624E12884R1S 兹证明: 法博莱恩纱线（常州）有限公司 统一社会信用代码：91320412MA1NMF5W4P 环境管理体系符合: GB/T 24001-2016 / ISO 14001:2015 标准 证书覆盖范围: 纺织品（纱线）、玻璃制品（纱线）的包覆加工及相关管 理活动 注册地址/实际地理地址：江苏省常州西太湖科技产业园兰香路 8 号研发车间 5 厂房 颁证日期：2024-10-26 有效期至：2027-10-25 初次颁证日期：2021-10-28 证书编号 受审核方 组织机构代码 认证范围 注册地址 生产办公地址 注册日期 有效期至 初次颁证日期 二维码

Use of Non-GAAP Measures 4POLYONE CORPORATION FORMULATION EXPERTISE SERVICE INNOVATION Expertise in Polymer Materials, Services and Solutions OEMs Brand Owners Processers Assemblers IQ Design Labs InVisiOSM Color Services LSS Customer First Specialty products & services driving customer value What We Do 5POLYONE CORPORATION PolyOne At a Glance 2017 Revenue – $3.2 billion Performance Products & Solutions 21% PolyOne Distribution 34% Specialty Engineered Materials 19% Color Additives & Inks 26% United States 59% Europe 14% Latin America 9% Canada 8% Asia 10% $0.13 $0.68 $0.82 $1.00 $1.31 $1.80 $1.96 $2.06 $2.21 2009 2010 2011 2012 2013 2014 2015 2016* 2017 Transportation 18% Consumer 12% Healthcare 11% Packaging 11% Industrial 16% Building & Construction 12% Wire & Cable 9% Electrical & Electronics 6% Appliance 5% *Recast for DSS in discontinued operations 6POLYONE CORPORATION 2% 43% 76% 0% 20% 40% 60% 80% 100% 2005 2010 2017 % o f O pe ra tin g In co m e* *Operating Income excludes corporate charges and special items Specialty OI $5M $87M $280M JV’s Performance Products & Solutions Specialty MixDistribution Mix Shift Highlights Specialty Transformation Distribution and Contract Manufacturing Businesses 7POLYONE CORPORATION Consistently Deliver Double Digit Annual EPS Growth *ROIC is defined as TTM adjusted OI after tax divided by the sum of average debt and equity less cash over a 5 quarter period Proof of Performance 2020 Platinum Vision 20%+ 20%+ 12 - 14% 6.5 – 7.5% 15% 2006 2017 2020 “Where we were” “Where we are” Platinum Vision ROIC* 5.0% 14.0% Operating Income % of Sales Color, Additives & Inks 1.7% 15.5% Specialty Engineered Materials 1.1% 12.5% Performance Products & Solutions 5.5% 10.7% Distribution 2.6% 6.3% 8POLYONE CORPORATION $50 $116 $0 $40 $80 $120 $160 $200 2012 2014 2016 2018 10.8% 11.3% 10.0% 11.0% 12.0% 13.0% 14.0% 15.0% 2012 2014 2016 2017 2020 Platinum Vision *ROIC is defined as TTM adjusted OI after tax divided by the sum of average debt and equity less cash over a 5 quarter period Free Cash Flow and Improving Returns Free Cash Flow (in millions) ROIC* $200 - $220 14.0% $143 12.9% 15.0% 9POLYONE CORPORATION $767M Returning Cash to Shareholders $0 $150 $300 $450 $600 $750 2011 2012 2013 2014 2015 2016 2017  Since 2011, we have returned over $950 million to shareholders $767M Cumulative Share Repurchases (in millions) $0.16 $0.20 $0.24 $0.32 $0.40 $0.48 $0.58 $0.70 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 3-Year Dividend Plan Increasing Annual Dividend 10POLYONE CORPORATION  Expanding our sales, marketing, and technical capabilities  Investing in operational and LSS initiatives  ~60 - 70% of capital expenditures fund growth initiatives Organic Growth Acquisitions Share Repurchases Dividends  Targets that expand our: • Specialty offerings • End market presence • Geographic breadth  Growth synergies  Adjacent material solutions  Repurchased 2.0 million shares in 2017  Repurchased 20.8 million shares since early 2013  6.5 million shares are available for repurchase under the current authorization  Increased annual dividend by 30% to $0.70 per share, representing the eighth consecutive year of dividend growth  Expect to increase annual dividend 60% or more cumulatively over next three years Free Cash Flow and Strong Balance Sheet Fund Investment / Shareholder Return 11POLYONE CORPORATION *Specialty Platform revenue from products introduced in last five years Vitality Index Progression* 12% 38% 2006 2017 Target ≥ 35% Innovation Drives Earnings Growth $20 $52 2006 2017 Research & Development Spend ($ millions) Total Specialty Addressable Market of over $2.6 Billion (10 Projects) (10 Projects) ($500 million) (19 Projects) ($1.4 billion) Innovation Pipeline Potential Frame Opportunity Prototype Scale-up and Test Market Commercial Launch $500 Million $1.4 Billion $700 Million Phase 5Phase 4Phase 3Phase 2Phase 1 Build Business Case 12POLYONE CORPORATION 2017 2021 Key Innovation Growth Platforms Composites Barrier Additive Technology Fiber Colorants Flame Retardant Polymers  Increasing regulatory drive for halogen replacements  $400m addressable market  Drive to prevent oxygen, light and UV rays from affecting contents in PET packaging, extending shelf life  $200m addressable market  60% of world fiber consumption is synthetic, need to simplify manufacturing and eliminate waste  $300m addressable market  Polymer formulation and process engineering create a pipeline for next generation materials  Drive to replace aluminum and steel with plastics without compromising on strength Total Sales ($millions) 2017 2021 2017 2021 2017 2021 13POLYONE CORPORATION  Providing LSS services to small/medium sized customers – have trained over 30 customers in LSS methodology  Providing Industrial design and color services to small/medium sized customers  On time delivery above 95% Strengthening Relationships: Customer First Through World-Class Service 14POLYONE CORPORATION  Addressable market exceeds $40 billion  Strong performance demonstrates that our strategy and execution are working  Megatrends and emerging opportunities align with strengths  Innovation and services provide differentiation, incremental pricing power and competitive advantage  Strategic reinvestment for growth while returning cash to shareholders  Strong and proven management team driving growth and performance Why Invest In PolyOne?

S837.0 Black 9005 S837.1 Brown 8011 S837.2 Red 3002 S837.3 Orange 2004 S837.4 Light Yellow 1016 S837.5 Green 6032 S837.6 Blue 5015 S837.7 Violet 4005 S837.8 Grey 7037 S837.9 White 9016 PES RESINS Copyright © 2021, Avient Corporation.

PACKAGING SOLUTIONS Film & Sheet SELECTION GUIDE PRODUCT NAME PROPERTIES & APPLICATIONS Anti-block BOPET application (PV back sheet, packaging film, industry film) Sleeve application (PETG) Anti-static Migrating anti-static system Flame retardant Halogen free flame retardant system, transparent, UL94 VTM-0 Light stabilizer Protection for outdoor application (UV 380nm) Protection for screen application (UV 400nm) Matting agent Matting agent Pinning agent Increased conductivity O2 scavenger Content protection against oxygen White masterbatch Blue shade white Standard white Black masterbatch Carbon black Cool black system BOPET STANDARD PRODUCT PORTFOLIO PRODUCT NAME PROPERTIES & APPLICATIONS Anti-block Standard anti-block Printable A/B/A PET sheet and film High-transparent and low COF Anti-static A/B/A film or sheet (transparency) A/B/A film or sheet (matte) Impact modifier Improve sheet elongation at low temperature Chain extender IV improver, EU food and FDA approved White masterbatch Standard white Matting agent Surface matting agent APET SHEET PRODUCT PORTFOLIO PRODUCT NAME PROPERTIES & APPLICATIONS Slip agent Mainly used for multilayer PE/PP film and composite film Anti-block Pure anti-block can be used in transparent film Contain both anti-block and slip agent for polyolefin film Processing masterbatch Used in blowing and tape casting of PE/PP (liquid) Anti-oxidant Protection of film from degrading while processing Increase reclaimed ingredients in the formula Light stabilizer Protection of content Low precipitation, which is especially suitable for thinner PE products, such as film and spinning Anti-fog Good resistance to cold and hot fog, and suitable for thinner film Anti-static Applicable to multilayer PE/PP film and composite film PO SHEET PRODUCT PORTFOLIO www.avient.com Copyright © 2021, Avient Corporation.

Copyright © 2021, Avient Corporation.

DENSITY-MODIFIED POLYMER REPLACES BRASS, ACHIEVING PERFORMANCE, ENVIRONMENTAL AND COST BENEFITS © 2021, All Rights Reserved Avient Corporation, 33587 Walker Road, Avon Lake, Ohio USA 44012 To learn more about Gravi-Tech™ density- modified formulations, contact Avient at +1.844.4AVIENT (1.844.428.4368) or visit us at avient.com.