ABS Quality Evaluations, Inc. 1701 City Plaza Drive, Spring, TX 77389, U.S.A. Dominic Townsend, President Effective Date: 22 March 2024 Expiration Date: 28 February 2025 Revision Date: 22 March 2024 225 Industrial Drive Vonore, TN 37885 U.S.A. Warehouse 65536-100945Certificate No: Page 53 of 53 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. All rights reserved. 45324Certificate No: Facility: Avient Corporation - McHenry, IL 833 Ridgeview Drive McHenry, IL 60050 U.S.A. Facility: Avient Corporation - McHenry, IL 921 Ridgeview Drive McHenry, IL 60050 U.S.A.

Key Features • Choose from single twisted fibers or cords • Properly tensioned and torque balanced • Twist level optimization for strength or flex fatigue resistance • 50 – 300,000 denier range capability • Hybrid products also available FIBER-LINE® FIBERS SUITABLE FOR TWISTING • Kevlar® Para-Aramid • Nomex® Meta-Aramid • Vectran® LCP • Zylon® PBO • Carbon Fiber • Technora® • PET Polyester FIBER-LINE® PRODUCTS ADDED BY TWISTING • Ripcords • Strength Members • Drive Belt & Hose Reinforcement • Industrial Fabric Yarn • Wire Harness Yarn TWISTING FIBERS PROCESSES PRODUCTS Overview FIBER-LINE® has the ability to custom twist an endless amount of different twist levels on a variety of high performance synthetic fibers. MOVING HIGH PERFORMANCE FIBERS FORWARD LOCATIONS Headquarters, R&D, Manufacturing FIBER-LINE® LLC 3050 Campus Drive Hatfield, PA 19440 +1 215.997.9181 fiber@fiber-line.com Manufacturing Operations FIBER-LINE® LLC 280 Performance Drive SE Hickory, NC 28602 +1 828.326.8700 fiber@fiber-line.com EMEA & Asia Pacific Operations FIBER-LINE® INTERNATIONAL B.V. We believe that our ongoing commitment to protect the environment, to remain at the forefront of fiber and coating technology, and to ‘treat others as we want to be treated’ will continue to drive the success of our customers, shareholders, and employees.

McAlindon (24) Page 24 Award-Winning Marketing Campaign Page 25 2012 Range Rover Evoque Interior • Color harmonization across 15 unique color-and-polymer combinations • Eliminated need for multiple pre- colored materials • Reduced Land Rover’s working capital Page 26 KOR Delta Hydration Vessel • Specialty TPE formulation overcame performance issues • Eliminated secondary assembly process for increased operational efficiency Interior seal Flip-top seal Bottom ring Page 27 Friedrich Kühl® Decorative Air Conditioner Housing • Replaced painted ABS housing with Geon™ solution • Reduced operating noise • Simplified manufacturing footprint to drive significant cost savings Page 28 • Focused on markets with high growth and profit potential • Leveraging our in-depth knowledge of formulation Focused Efforts in Attractive Industry Segments $113 $260 Healthcare and processing to develop market driven solutions • Aligning resources across the organization to drive growth in target markets $152 $228 2006 2011 Sustainable Solutions (Revenue in $ millions) 2006 2011 2006 2011 2006 2011 Page 29 • Design service collaboration • Doubled productivity and improved yield rates • Substantial reduction in overall manufacturing costs Pulmonary Device Page 30 Innovating for the future… Rejuvenate a mature industry with new products and processes Products designed for “next life” instead of “end life” Plastics: Key to Future Sustainable Development …Making a difference today! end life” New designs for energy and carbon efficiency New applications for used and recycled plastics Page 31 Therma-Tech™ LED Lighting • Replaces metal in LED lighting • Extends LED durability and life span eliminating hot spots • Greater design flexibility with • Greater design flexibility with fewer parts • Weight reduction • Simplifies manufacturing and lowers total production cost Page 32 Decreasing Decreasing Dependence on Dependence on Fossil FuelsFossil Fuels Globalizing and Globalizing and LocalizingLocalizing Protecting the Protecting the EnvironmentEnvironment Protecting the Protecting the EnvironmentEnvironment Improving Improving Health and Health and WellnessWellness Improving Improving Health and Health and WellnessWellness Alignment with Megatrends • Aging population • Longer life expectancy • Healthy living • Aging in place • Aging population • Longer life expectancy • Healthy living • Aging in place • Environmental consciousness • Alternative energy • Resource efficiency • Biotechnology • Environmental consciousness • Alternative energy • Resource efficiency • Biotechnology • Global leader/local expert with customized solutions • Global OEMs seeking one standard of service everywhere • Global leader/local expert with customized solutions • Global OEMs seeking one standard of service everywhere • Efficiency focus • Reduced size/weight • Mass transit • Alternative materials • Electric vehicles • Efficiency focus • Reduced size/weight • Mass transit • Alternative materials • Electric vehicles Page 33 48.7% $40.5 26.3% Research & Development Spending Specialty Platform Vitality Index Progression* Innovation Drives Earnings Growth Specialty Platform Gross Margin % * Percentage of Specialty platform revenue from products introduced in last five years 19.5% 2006 2011PF $20.3 2006 2011PF 14.3% 2006 2011PF ($ millions) Page 34 StrategyStrategy PolyOne Innovation Framework Unmet Needs Identification Idea Generation and Shaping Offering Offering Offering Offering Phased Offering Launch Offering Offering LaunchLaunch Offering Offering DevelopmentDevelopment Market Penetration and Value Maximization Intellectual Property ● Resources ● CultureIntellectual Property ● Resources ● Culture Page 35 • Accelerate growth in targeted industries and expand geographic presence through market-driven innovations • Leverage new talent, tools, and training to drive customer satisfaction and margin expansion Critical Imperatives satisfaction and margin expansion • Translate best practices to / from ColorMatrix • Drive specialization using a value-based mindset Page 36 Page 37

Americas Headquarters: BSI Group America Inc., 12950 Worldgate Drive, Suite 800, Herndon, VA 20170-6007 USA A Member of the BSI Group of Companies. CertificateNumber=TS+691920&ReIssueDate=10%2f05%2f2018&Template=inc PolyOne Corporation 4921 I D A Park Drive Lockport New York 14094 USA Manufacture of thermoplastic compounds. Americas Headquarters: BSI Group America Inc., 12950 Worldgate Drive, Suite 800, Herndon, VA 20170-6007 USA A Member of the BSI Group of Companies.

IATF Certificate Place and date: For the issuing office: Katy, TX, 10 December 2024 Revision 2 DNV - Business Assurance 1400 Ravello Drive, Katy, TX, 77449- 5164, USA Sherif Mekkawy Management Representative Lack of fulfilment of conditions as set out in the Certification Agreement may render this Certificate invalid. ACCREDITED UNIT: DNV Business Assurance USA Inc., 1400 Ravello Drive, Katy, TX, 77449-5164, USA - TEL: +1 281-396-1000. www.dnv.com Page 1 of 2 MANAGEMENT SYSTEM CERTIFICATE Certificate no.: 273138-2018-AQ-RGC-IATF IATF Certificate No: 0558323 Valid: 10 December 2024 – 09 December 2027 This is to certify that the management system of Polyone - Shenzhen Co., Ltd. ACCREDITED UNIT: DNV Business Assurance USA Inc., 1400 Ravello Drive, Katy, TX, 77449-5164, USA - TEL: +1 281-396-1000. www.dnv.com Page 2 of 2 Appendix to Certificate Polyone - Shenzhen Co., Ltd.

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 • 20 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 • Continue specialty transformation • Goal of $2.50 adjusted EPS by 2015, three times the EPS generated in 2011 of $0.82 • Drive double digit operating income and adjusted EPS growth PolyOne Corporation Page 5 Building & Construction 13% Industrial 12% Transportation 18% Wire & Cable 9% Packaging 16% Consumer 10% HealthCare 11% Appliance 6% Electronics & Electrical 5% 2013 Revenues: $3.8 Billion End Markets 2013 Revenues: $3.8 Billion PolyOne At A Glance United States 67% Europe 14% Canada 7% Asia6% Latin America 6% Specialty 54% PP&S 18% Distribution 28% $13 $31 $46 $46 $92 $96 $122 $195 $0 $50 $100 $150 $200 2006 2007 2008 2009 2010 2011 2012 2013 Specialty Operating Income PolyOne Corporation Page 6 Old PolyOne *Operating Income excludes corporate charges and special items 2% 34% 43% 62% 65% 0% 20% 40% 60% 80% 100% 2005 2008 2010 2013 2014 YTD 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 $191M 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 Strategy and Execution Drive Results $0.12 $0.27 $0.21 $0.13 $0.68 $0.82 $1.00 $1.31 '06 '07 '08 '09 '10 '11 '12 '13 ‘06-‘13 EPS CAGR = 41% EPS Share Price vs.  Strong past performance demonstrates that our strategy and execution are working  Megatrends and emerging opportunities align with our strengths  Innovation and services provide differentiation, incremental pricing power, and competitive advantage  Strong and proven management team driving growth and performance  Addressable market exceeds $40 billion 1 Schedule I Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except per share data) Below is a reconciliation of non-GAAP financial measures to the most directly comparable measures calculated and presented in accordance with U.S. ��PolyOne Investor Presentation�Bank of America Merrill Lynch �2014 US Basic Materials Conference�Boston, MA�December 11, 2014�� Forward-Looking Statements Use of Non-GAAP Measures PolyOne Commodity to Specialty Transformation PolyOne�At A Glance Mix Shift Highlights Specialty Transformation Confirmation of Our Strategy Strategy and Execution Drive Results Proof of Performance & 2015 Goals 32% Adjusted EPS CAGR from 2011 Innovation Drives Earnings Growth A Rich Pipeline of Opportunity Megatrends Aligned with Key End Markets Debt Maturities & Pension Funding – 9/30/14 Free Cash Flow and Strong Balance Sheet �Fund Investment / Shareholder Return PolyOne Core Values Why Invest In PolyOne?

PolyOne Corporation Page 3 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 • 19 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 • Continue specialty transformation • Goal of $2.50 Adjusted EPS by 2015, nearly double 2013 EPS • Drive double digit operating income and adjusted EPS growth PolyOne Corporation Page 4 Building & Construction 13% Industrial 12% Transportation 18% Wire & Cable 9% Packaging 16% Consumer 10% HealthCare 11% Appliance 6% Electronics & Electrical 5% 2013 Revenues: $3.8 Billion End Markets 2013 Revenues: $3.8 Billion PolyOne At A Glance United States 67% Europe 14% Canada 7% Asia6% Latin America 6% Specialty 54% PP&S 18% Distribution 28% $13 $31 $46 $46 $92 $96 $122 $195 $0 $50 $100 $150 $200 2006 2007 2008 2009 2010 2011 2012 2013 Specialty Operating Income PolyOne Corporation Page 5 Old PolyOne Transformation *Operating Income excludes corporate charges and special items 2% 34% 43% 62% 66% 0% 20% 40% 60% 80% 100% 2005 2008 2010 2013 2014 YTD 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 $129M Target Mix Shift Highlights Specialty Transformation 2015 Target PolyOne Corporation Page 6 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 7 -150% -50% 50% 150% 250% 350% 450% 550% POL S&P 500 Strategy and Execution Drive Results $0.12 $0.27 $0.21 $0.13 $0.68 $0.82 $1.00 $1.31 '06 '07 '08 '09 '10 '11 '12 '13 ‘06-‘13 EPS CAGR = 41% EPS Share Price vs.  Strong past performance demonstrates that our strategy and execution are working  Megatrends and emerging opportunities align with our strengths  Innovation and services provide differentiation, incremental pricing power, and competitive advantage  Strong and proven management team driving growth and performance  Addressable market exceeds $40 billion 1 Schedule I Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except per share data) Below is a reconciliation of non-GAAP financial measures to the most directly comparable measures calculated and presented in accordance with U.S. ��PolyOne Investor Presentation�Jefferies 2014 Global Industrials Conference�New York, NY�August 12, 2014�� Forward-Looking Statements Use of Non-GAAP Measures PolyOne Commodity to Specialty Transformation PolyOne�At A Glance Mix Shift Highlights Specialty Transformation Confirmation of Our Strategy Strategy and Execution Drive Results Proof of Performance & 2015 Goals Bridge to $2.50 Adjusted EPS by 2015 Innovation Drives Earnings Growth A Rich Pipeline of Opportunity* Unique and Innovative Solutions Megatrends Aligned with Key End Markets Debt Maturities & Pension Funding – 6/30/14 Free Cash Flow and Strong Balance Sheet �Fund Investment / Shareholder Return PolyOne Core Values Why Invest In PolyOne?

Use of Non-GAAP Measures Page 3 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 • 18 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 • Continue specialty transformation • Targeting $2.50 Adjusted EPS by 2015, nearly double 2013 EPS • Drive double digit operating income and adjusted EPS growth Page 4 2013 Revenues: $3.8 Billion End Markets 2013 Revenues: $3.8 Billion Page 5 PolyOne At A Glance United States 67% Europe 14% Canada 7% Asia6% Latin America 6% Specialty 54% PP&S 18% Distribution 28% $13 $31 $46 $46 $92 $96 $122 $195 $0 $50 $100 $150 $200 2006 2007 2008 2009 2010 2011 2012 2013 Specialty Operating Income Building & Construction 13% Industrial 12% Transportation 18% Wire & Cable 9% Packaging 16% Consumer 10% HealthCare 11% Appliance 6% Electronics & Electrical 5% Old PolyOne Transformation *Operating Income excludes corporate charges and special items 2% 34% 43% 62% 64% 0% 20% 40% 60% 80% 100% 2005 2008 2010 2013 Q1 2014 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 $60M Target Mix Shift Highlights Specialty Transformation 2015 Target Page 6 Confirmation of Our Strategy The World’s Premier Provider of Specialized Polymer Materials, Services and Solutions Specialization Globalization Operational Excellence Commercial Excellence Page 7 -150.00% -50.00% 50.00% 150.00% 250.00% 350.00% 450.00% 550.00% PolyOne S&P 500 Strategy and Execution Drive Results $0.12 $0.27 $0.21 $0.13 $0.68 $0.82 $1.00 $1.31 '06 '07 '08 '09 '10 '11 '12 '13 ‘06-‘13 EPS CAGR = 41% EPS Share Price vs.  Strong past performance demonstrates that our strategy and execution are working  Megatrends and emerging opportunities align with our strengths  Innovation and services provide differentiation, incremental pricing power, and competitive advantage  Strong and proven management team driving growth and performance  Addressable market exceeds $40 billion Page 15 Schedule I Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except per share data) Below is a reconciliation of non-GAAP financial measures to the most directly comparable measures calculated and presented in accordance with U.S. PolyOne Investor Presentation�Goldman Sachs �Basic Materials Conference �May 21, 2014 � Forward – Looking Statements Use of Non-GAAP Measures PolyOne Commodity to Specialty Transformation PolyOne�At A Glance Mix Shift Highlights Specialty Transformation Confirmation of Our Strategy Strategy and Execution Drive Results Proof of Performance & 2015 Goals Bridge to $2.50 Adjusted EPS by 2015 Innovation Drives Earnings Growth Unique and Innovative Solutions Debt Maturities & Pension Funding – 3/31/14 Free Cash Flow and Strong Balance Sheet �Fund Investment / Shareholder Return Why Invest In PolyOne?

Company Address 17 Tideman Drive, Orangeville (Ontario) Report Details NPRI ID 2277 Facility Name Orangeville Plasticizer Facility Address 15 Tideman Drive, Orangeville (Ontario) Update Comments   Activities Contacts Select the Facility Contacts Facility Contacts Please assign the appropriate contact under each category below. Company Trade Name: * Polyone Canada Inc Business Number: * 898451794 Mailing Address Delivery Mode General Delivery PO Box   Rural Route Number   Address Line 1 17 Tideman Drive about:/V003/Html http://www.canada.gc.ca/home.html http://www.servicecanada.gc.ca/eng/home.shtml http://www.canada.gc.ca/aboutgov-ausujetgouv/depts/menu-eng.html https://ec.ss.ec.gc.ca/auth/en/Services about:blank# about:blank# about:blank# about:/V003/Logout_Deconnexion http://ec.gc.ca/default.asp? Facility Information Facility Name: * Orangeville Plasticizer NAICS Code: * 326198 NPRI Id: * 2277 ON Reg 127/01 Id   Facility Mailing Address Delivery Mode General Delivery PO Box   Rural Route Number   Address Line 1 15 ­ Tideman Drive City * Orangeville Province/Territory ** Ontario Postal Code: ** L9W3K3 Physical Address Address Line 1 15 Tideman Drive City Orangeville Province/Territory ** Ontario Postal Code ** L9W3K3 Additional Information   Land Survey Description   National Topographical Description   NPRI Facility Location Latitude (decimal degrees) * 43.91330 Longitude (decimal degrees) * ­80.11580 UTM Zone   UTM Easting   UTM Northing   Contact Validation The information in this section was copied from the Single Window Information Manager (SWIM) at the time the plan summary was created.