Key performance indicators and goals are set for each business 8. Yes, as part of the ISO 9001 documentation. 8. Business is PolyOne Quality Survey Standard Response 2015 12 09 Source: Corporate Quality Page: 8 of 14 awarded to vendors on the basis of their performance. 3.

EUR 35.000 ------------------------------------------------------- Summen: EUR 35.000 EUR 35.000 --- PERSONEN ---------------------------------------------------------------- 4 B Aviant Switzerland GmbH 1 (Handelsregister des Kantons Basel-Landschaft CHE-112.279.714) Sitz in Muttenz Aktiengesellschaft 1 Rothausstraße 61 CHE-4132 Muttenz 4 F Anke Bergheim, geb. 03.06.1970 4 Clemensstraße 14 DEU-80803 München 4 G Christoph Palm, geb. 16.05.1963 4 Gruuss-Strooss 35 LUX-9991 Weiswampach 4 H Norbert Merklein, geb. 03.05.1964 4 Schiffackerweg 2 CHE-4310 Rheinfelden -------------------- VOLLZUGSÜBERSICHT --------------------------------------- Handelsgericht Wien 1 eingetragen am 24.08.2019 Geschäftsfall 73 Fr 7835/19 y Antrag auf Neueintragung einer Firma eingelangt am 29.07.2019 2 eingetragen am 23.06.2020 Geschäftsfall 73 Fr 5402/20 d Elektronische Einreichung Jahresabschluss eingelangt am 19.06.2020 4 eingetragen am 28.04.2021 Geschäftsfall 73 Fr 12166/21 i Antrag auf Änderung eingelangt am 20.04.2021 Landesgericht Wiener Neustadt 5 eingetragen am 08.05.2021 Geschäftsfall 8 Fr 2130/21 f Antrag auf Sitzverlegung eingelangt am 27.04.2021 -------------- INFORMATION DER ÖSTERREICHISCHEN NATIONALBANK ---------------- zum 10.05.2021 gültige Identnummer: 24513750 erstellt über Verrechnungsstelle MANZ**********************************HA021 Gerichtsgebühr: EUR 3.76******10.05.2021 10:58:32,662 41188885 ** ZEILEN: 58 Firmenbuch 10.05.2021 10:58:32

质量管理体系认证认证 证书编号：04621Q16559R0S 兹证明: 法博莱恩纱线（常州）有限公司 统一社会信用代码：91320412MA1NMF5W4P 质量管理体系符合: GB/T19001-2016 / ISO9001:2015 标准 证书覆盖范围: 纺织品（纱线）、玻璃制品（纱线）的包覆加工 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：2021-10-28 有效期至：2024-10-27 证书编号 受审核方 组织机构代码 认证模式全称 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

质量管理体系认证认证 证书编号：04621E14082R0S 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/T24001-2016 / ISO14001:2015 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：2021-10-28 有效期至：2024-10-27 证书编号 受审核方 组织机构代码 认证模式全称 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

质量管理体系认证认证 证书编号：04624Q15809R1S 兹证明: 法博莱恩纱线（常州）有限公司 统一社会信用代码：91320412MA1NMF5W4P 质量管理体系符合: GB/T 19001-2016 / ISO 9001:2015 标准 证书覆盖范围: 纺织品（纱线）、玻璃制品（纱线）的包覆加工 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

Ltd Business Registration Number: 91320505799067336K Registered I Operation Address: 13 Plant, No.855, Zhujiang Road, Suzhou New District, Jiangsu Province, China by reason of its Quality Management System has been awarded this certificate for compliance with the standard ISO 9001:2015 The Quality Management System Applies in the following area: Production Activities of Plastic Colorant & Additive (UV Blockers, Anti-Oxidation, Anti-Aging) Certified since: January 8, 2009 Valid from: January 16, 2024 Valid until: January 4, 2027 the expiry date of last certification cycle: January 4, 2024 the date of recertification audit: December 21, 2023 to December 22, 2023 After a surveillance cycle, the certificate is valid only when used together with an Acceptance Notice of Surveillance Audit issued by CQC.

Avient will provide additional details on its 2022 fourth quarter and full year performance and 2023 outlook during its webcast scheduled for 8:00 a.m. Webcast Details Avient will host a webcast on Wednesday, February 15, 2023 at 8:00 a.m. You are advised to consult any further disclosures we make on related subjects in our reports on Form 10-Q, 8-K and 10-K that we provide to the Securities and Exchange Commission

You are advised to consult any further disclosures we make on related subjects in our reports on Form 10-Q, 8-K and 10-K that we provide to the Securities and Exchange Commission. 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 – 2014 2015 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 $1.80 • 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 • Accelerating growth • 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 Building & 10% Electrical & 11% 9% Distribution 28% PP&S 52% 69% 13% 7% Asia 2014 Revenues: $3.8 Billion End Markets 2014 Revenues: $3.8 Billion PolyOne At A Glance $13 $31 $46 $46 $92 $96 $122 $195 $242 2006 2007 2008 2009 2010 2011 2012 2013 2014 Specialty Operating Income ($M) PolyOne Corporation Page 6 Old PolyOne *Operating Income excludes corporate charges and special items 2% 34% 43% 62% 65% 69% 0% 20% 40% 60% 80% 100% 2005 2008 2010 2013 2014 Q1 2015 2020 % o f O pe ra tin g In co m e* JV's Performance Products & Solutions Distribution Specialty 80%+ Specialty OI $5M $46M $87M $195M $242M $60M Mix Shift Highlights Specialty Transformation Transformation 2020 Platinum Vision Platinum Vision PolyOne Corporation Page 7 Confirmation of Our Strategy The World’s Premier Provider of Specialized Polymer Materials, Services and Solutions Specialization Globalization Operational Excellence Commercial Excellence PolyOne Corporation Page 8 -100% 0% 200% 300% 400% 500% 600% Strategy and Execution Drive Results $0.12 $0.27 $0.21 $0.13 $0.68 $0.82 $1.00 $1.31 $1.80 '06 '07 '08 '09 '10 '11 '12 '13 '14 ‘06-‘14 Adjusted EPS CAGR = 40% Adjusted EPS Share Price vs. S&P 500 PolyOne Corporation Page 9 2006 Q1 2015 2020 “Where we were” “Where we are” Platinum Vision 1) Operating Income % Specialty: Global Color, Additives & Inks 1.7% 16.2% 20%+ Global Specialty Engineered Materials 1.1% 16.3% 20%+ Designed Structures & Solutions 1.4% (2012) 2.7% 12 – 14% Performance Products & Solutions 5.5% 6.5% 10 – 12% Distribution 2.6% 5.9% 6.5 – 7.5% 2) Specialty Platform % of Operating Income 6.0% 69% 80%+ 3) ROIC 5.0% 11.4% 15% 4) Adjusted EPS Growth N/A 22 Consecutive Quarters of EPS Growth Double Digit Expansion Proof of Performance & 2020 Goals PolyOne Corporation Page 10 Platinum Vision: Pathway to Accelerated Growth Organic Sales Growth Margin Expansion Share Repurchases Acquisitions PolyOne Corporation Page 11 Innovation Drives Earnings Growth *Percentage of Specialty Platform revenue from products introduced in last five years $20 $53 2006 2014 Research & Development Spending ($ millions) Specialty Platform Vitality Index Progression* 14% 27% 2006 2014 Specialty Platform Gross Margin % 20% 44% 2006 2014 Specialty Vitality Index Target ≥ 35% PolyOne Corporation Page 12 Megatrends Aligned with Key End Markets Decreasing Dependence on Fossil Fuels Protecting the Environment Improving Health and Wellness Megatrend End Markets Globalizing and Localizing Health & Wellness Transportation Packaging Consumer PolyOne Corporation Page 13 Prototype Frame Opportunity Scale-up & Test Market Build Business Case Commercial Launch Phase 1 Phase 2 Phase 3 Phase 4 Phase 5 6 9 7 3 5 12 5 3 2 8 4 2 4 3 1 Breakthrough Platform Derivative A Rich Pipeline of Opportunity Number of Projects 14 8 18 12 22 74 Addressable Market ($ millions) $700 $600 $600 $1,900 PolyOne Corporation Page 14 60% 98% 20% 30% 40% 50% 60% 70% 80% 90% 100% 2008 Q1 2015 Pension Funding** As of March 31, 2015 Debt Maturities & Pension Funding Net Debt / EBITDA* = 2.1x $49 $317 $600 $0 $100 $200 $300 $400 $500 $600 $700 $800 2015 2020 2023 Debt Maturities As of March 31, 2015 ($ millions) Coupon Rate: 7.500% 7.375% 5.250% ** includes US-qualified pension plans only *TTM 3/31/2015 PolyOne Corporation Page 15 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 $0.24 $0.32 $0.40 $0.10 $0.20 $0.30 $0.40 $0.50 2011 2012 2013 2014 2015 Annual Dividend  Targets that expand our: • Specialty offerings • End market presence • Geographic breadth  Synergy opportunities  Adjacent material solutions  Repurchased over 500k shares in Q1 2015  Repurchased 11.8 million shares since early 2013  8.2 million shares are available for repurchase under the current authorization PolyOne Corporation Page 16 PolyOne Core Values Innovation Collaboration Excellence PolyOne Corporation Page 17 The New PolyOne: A Specialty Growth Company Why Invest In PolyOne?

You are advised to consult any further disclosures we make on related subjects in our reports on Form 10-Q, 8-K and 10-K that we provide to the Securities and Exchange Commission. 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 – 2014 2015 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 $1.80 • 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 • Accelerating growth • 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 Building & 10% Electrical & 11% 9% Distribution 28% PP&S 52% 69% 13% 7% Asia 2014 Revenues: $3.8 Billion End Markets 2014 Revenues: $3.8 Billion PolyOne At A Glance $13 $31 $46 $46 $87 $96 $122 $195 $242 2006 2007 2008 2009 2010 2011 2012 2013 2014 Specialty Operating Income ($M) PolyOne Corporation Page 6 Old PolyOne *Operating Income excludes corporate charges and special items 2% 34% 43% 62% 65% 69% 0% 20% 40% 60% 80% 100% 2005 2008 2010 2013 2014 Q1 2015 2015 % o f O pe ra tin g In co m e* JV's Performance Products & Solutions Distribution Specialty 65-75% Specialty OI $5M $46M $87M $195M $242M $60M Target Mix Shift Highlights Specialty Transformation Transformation 2015 Target PolyOne Corporation Page 7 Confirmation of Our Strategy The World’s Premier Provider of Specialized Polymer Materials, Services and Solutions Specialization Globalization Operational Excellence Commercial Excellence PolyOne Corporation Page 8 -100% 0% 200% 300% 400% 500% 600% Strategy and Execution Drive Results $0.12 $0.27 $0.21 $0.13 $0.68 $0.82 $1.00 $1.31 $1.80 '06 '07 '08 '09 '10 '11 '12 '13 '14 ‘06-‘14 Adjusted EPS CAGR = 40% Adjusted EPS Share Price vs. S&P 500 PolyOne Corporation Page 9 2006 Q1 2015 2015 Target “Where we were” “Where we are” (Est. in 2012) 1) Operating Income % Specialty: Global Color, Additives & Inks 1.7% 16.2% 12 – 16% Global Specialty Engineered Materials 1.1% 16.3% 12 – 16% Designed Structures & Solutions 1.4% (2012) 2.7% 8 – 10% Performance Products & Solutions 5.5% 6.5% 9 – 12% Distribution 2.6% 5.9% 6 – 7.5% 2) Specialty Platform % of Operating Income 6.0% 69% 65 – 75% 3) ROIC 5.0% 11.4% 15% 4) Adjusted EPS Growth N/A 5% Double Digit Expansion Proof of Performance & 2015 Goals PolyOne Corporation Page 10 Innovation Drives Earnings Growth *Percentage of Specialty Platform revenue from products introduced in last five years $20 $53 2006 2014 Research & Development Spending ($ millions) Specialty Platform Vitality Index Progression* 14% 27% 2006 2014 Specialty Platform Gross Margin % 20% 44% 2006 2014 Specialty Vitality Index Target ≥ 35% PolyOne Corporation Page 11 Megatrends Aligned with Key End Markets Decreasing Dependence on Fossil Fuels Protecting the Environment Improving Health and Wellness Megatrend End Markets Globalizing and Localizing Health & Wellness Transportation Packaging Consumer PolyOne Corporation Page 12 Prototype Frame Opportunity Scale-up & Test Market Build Business Case Commercial Launch Phase 1 Phase 2 Phase 3 Phase 4 Phase 5 4 11 5 10 6 9 3 4 2 15 9 1 10 4 Breakthrough Platform Derivative A Rich Pipeline of Opportunity Number of Projects 25 14 19 17 18 93 Addressable Market ($ millions) $800 $450 $450 $1,700 PolyOne Corporation Page 13 60% 98% 20% 30% 40% 50% 60% 70% 80% 90% 100% 2008 Q1 2015 Pension Funding** As of March 31, 2015 Debt Maturities & Pension Funding – 3/31/15 Net Debt / EBITDA* = 2.1x $49 $317 $600 $0 $100 $200 $300 $400 $500 $600 $700 $800 2015 2020 2023 Debt Maturities As of March 31, 2015 ($ millions) Coupon Rate: 7.500% 7.375% 5.250% ** includes US-qualified pension plans only *TTM 3/31/2015 PolyOne Corporation Page 14 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 $0.24 $0.32 $0.40 $0.10 $0.20 $0.30 $0.40 $0.50 2011 2012 2013 2014 2015 Annual Dividend  Targets that expand our: • Specialty offerings • End market presence • Geographic breadth  Synergy opportunities  Adjacent material solutions  Repurchased over 500k shares in Q1 2015  Repurchased 11.8 million shares since early 2013  8.2 million shares are available for repurchase under the current authorization PolyOne Corporation Page 15 PolyOne Core Values Innovation Collaboration Excellence PolyOne Corporation Page 16 The New PolyOne: A Specialty Growth Company Why Invest In PolyOne?

You are advised to consult any further disclosures we make on related subjects in our reports on Form 10-Q, 8-K and 10-K that we provide to the Securities and Exchange Commission. 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 – 2014 2015 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 $1.80 • 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 • Accelerating growth • 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 Building & 10% Electrical & 11% 9% Distribution 28% PP&S 52% 69% 13% 7% Asia 2014 Revenues: $3.8 Billion End Markets 2014 Revenues: $3.8 Billion PolyOne At A Glance $13 $31 $46 $46 $87 $96 $122 $195 $242 2006 2007 2008 2009 2010 2011 2012 2013 2014 Specialty Operating Income ($M) PolyOne Corporation Page 6 Old PolyOne *Operating Income excludes corporate charges and special items 2% 34% 43% 62% 65% 67% 0% 20% 40% 60% 80% 100% 2005 2008 2010 2013 2014 YTD 2015 2020 % o f O pe ra tin g In co m e* JV's Performance Products & Solutions Distribution Specialty 80%+ Specialty OI $5M $46M $87M $195M $242M $124M Mix Shift Highlights Specialty Transformation Transformation 2020 Platinum Vision Platinum Vision PolyOne Corporation Page 7 Confirmation of Our Strategy The World’s Premier Provider of Specialized Polymer Materials, Services and Solutions Specialization Globalization Operational Excellence Commercial Excellence PolyOne Corporation Page 8 -100% 0% 200% 300% 400% 500% 600% Strategy and Execution Drive Results $0.12 $0.27 $0.21 $0.13 $0.68 $0.82 $1.00 $1.31 $1.80 '06 '07 '08 '09 '10 '11 '12 '13 '14 ‘06-‘14 Adjusted EPS CAGR = 40% Adjusted EPS Share Price vs. S&P 500 PolyOne Corporation Page 9 2006 YTD 2015 2020 “Where we were” “Where we are” Platinum Vision 1) Operating Income % Specialty: Global Color, Additives & Inks 1.7% 17.2% 20%+ Global Specialty Engineered Materials 1.1% 15.3% 20%+ Designed Structures & Solutions 1.4% (2012) 3.3% 12 – 14% Performance Products & Solutions 5.5% 7.6% 10 – 12% Distribution 2.6% 6.5% 6.5 – 7.5% 2) Specialty Platform % of Operating Income 6.0% 67% 80%+ 3) ROIC (after-tax)* 5.0% 11.7% 15% 4) Adjusted EPS Growth N/A 23 Consecutive Quarters of YOY EPS Growth Double Digit Expansion Proof of Performance & 2020 Goals *ROIC is defined as TTM adjusted operating income after-tax divided by the sum of average debt and equity over a 5 quarter period PolyOne Corporation Page 10 Platinum Vision: Pathway to Accelerated Growth Organic Sales Growth Margin Expansion Share Repurchases Acquisitions PolyOne Corporation Page 11 Innovation Drives Earnings Growth *Percentage of Specialty Platform revenue from products introduced in last five years $20 $53 2006 2014 Research & Development Spending ($ millions) Specialty Platform Vitality Index Progression* 14% 27% 2006 2014 Specialty Platform Gross Margin % 20% 44% 2006 2014 Specialty Vitality Index Target ≥ 35% PolyOne Corporation Page 12 Megatrends Aligned with Key End Markets Decreasing Dependence on Fossil Fuels Protecting the Environment Improving Health and Wellness Megatrend End Markets Globalizing and Localizing Health & Wellness Transportation Packaging Consumer PolyOne Corporation Page 13 Prototype Frame Opportunity Scale-up & Test Market Build Business Case Commercial Launch Phase 1 Phase 2 Phase 3 Phase 4 Phase 5 6 9 7 3 5 12 5 3 2 8 4 2 4 3 1 Breakthrough Platform Derivative A Rich Pipeline of Opportunity Number of Projects 14 8 18 12 22 74 Addressable Market ($ millions) $700 $600 $600 $1,900 PolyOne Corporation Page 14 60% 102% 20% 30% 40% 50% 60% 70% 80% 90% 100% 2008 Q2 2015 Pension Funding** As of June 30, 2015 Debt Maturities & Pension Funding Net Debt / Adjusted EBITDA** = 2.0x Coupon Rate: 7.500% Variable* 7.375% 5.250% ** includes US-qualified pension plans only *Weighted average rate on revolver was 2.40% as of 6/30/15 **TTM 6/30/2015 $49 $79 $317 $600 $400 $0 $100 $200 $300 $400 $500 $600 $700 $800 2015 2018 2020 2023 Debt Maturities As of June 30, 2015 ($ millions) PolyOne Corporation Page 15 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 $0.24 $0.32 $0.40 $0.10 $0.20 $0.30 $0.40 $0.50 2011 2012 2013 2014 2015 Annual Dividend  Targets that expand our: • Specialty offerings • End market presence • Geographic breadth  Synergy opportunities  Adjacent material solutions  Repurchased nearly 600K shares in Q2 2015  Repurchased 12.4 million shares since early 2013  7.6 million shares are available for repurchase under the current authorization PolyOne Corporation Page 16 PolyOne Core Values Innovation Collaboration Excellence PolyOne Corporation Page 17 The New PolyOne: A Specialty Growth Company Why Invest In PolyOne?