B A I R D G L O B A L I N D U S T R I A L C O N F E R E N C E N O V E M B E R 2 0 1 9 F O R W A R D L O O K I N G S T A T E M E N T S PolyOne Corporation 2 In this presentation, statements that are not reported financial results or other historical information are “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. In addition, operating income before special items and adjusted EPS are components of various PolyOne annual and long-term employee incentive plans Leverage PolyOne’s global reach Phase 1 Phase 2 Phase 3 18-20% operating margins Invest in commercial resources I N V E S T - T O - G R O W P R O O F O F P E R F O R M A N C E PolyOne Corporation 23 Commercial Resources Operating Income ($ in millions) Operating Margins 243 340 At Acquisition Today $36 $96 At Acquisition Today 11% 20% At Acquisition Today Established Acquisitions (> 7 years) + 40% + 165% + 900 bps I N V E S T - T O - G R O W D R I V I N G T H E F U T U R E PolyOne Corporation 24 Commercial Resources Operating Income ($ in millions) Operating Margins 138 181 251 At Acquisition Today Goal $23 $25 $70 At Acquisition Today Goal 7% 8% 18-20% At Acquisition Today Goal Recent Acquisitions PolyOne Corporation 25 Average Company Size # of Possibilities Rationale 250 • Local to regional footprint • Niche technology focus • Concentrated customer base $50M–$200M 150 • Regional to global footprint • 1–3 specialty technologies • Diversified customer base >$200M 30 • Global footprint with local service • Diverse specialty technologies • Highly diversified customer & market portfolio S T R O N G P I P E L I N E D R I V E N B Y F R A G M E N T E D M A R K E T $0.16 $0.20 $0.24 $0.32 $0.40 $0.48 $0.54 $0.70 $0.78 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 Cumulative Share Repurchases (In millions) $0 $150 $300 $450 $600 $750 $900 2011 2012 2013 2014 2015 2016 2017 2018 2019 YTD $917M R E T U R N I N G C A S H T O S H A R E H O L D E R S O V E R $ 1 . 2 B I L L I O N S I N C E 2 0 1 1 PolyOne Corporation Increasing Annual Dividend 26 $0.81 PolyOne Corporation 27 W H Y I N V E S T I N P O L Y O N E ?

Versaflex™ HC TPE is formulated to produce low coring levels in resealing applications. With Versaflex HC, on the other hand, injection molding happens in seconds, and does not require curing or washing, thus saving significant time and reducing cost. Versaflex HC grades give customers confidence that the materials will comply with regulatory requirements.

SHANGHAI – 2021年9月22日 – Avient today unveiled its new optimized Versaflex™ CF6668 low build-up TPE for the tack layer of protective film.   Protective film co-extruded with Versaflex CF6668 TPE answers this market need. Versaflex CF6668 formulation is currently manufactured in Asia and is available for purchase globally. 

PolyOne Corporation Investor Day 2012 PolyOne Investor Presentation Credit Suisse 26th Annual Chemical and Ag Science Conference September 17th, 2013 • In this presentation, statements that are not reported financial results or other historical information are “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. In addition, operating income before special items and adjusted EPS are components of various PolyOne annual and long-term employee incentive plans Net debt $ 638.8 Adjusted EBITDA Q3 2012 Q4 2012 Q1 2013 Q2 2013 Total PolyOne Income before income taxes $ 30.6 $ (1.1) $ 15.7 $ 62.9 $ 108.1 PolyOne Interest expense, net 12.4 13.7 15.6 16.6 58.3 PolyOne Depreciation and amortization 17.0 15.5 19.0 25.8 77.3 PolyOne Special items in EBITDA 8.3 26.5 27.7 (5.2) 57.3 PolyOne Adjusted EBITDA 68.3 54.6 78.0 100.1 301.0 Pro forma Spartech EBITDA 16.8 14.7 11.2 - 42.7 Pro forma EBITDA $ 85.1 $ 69.3 $ 89.2 $ 100.1 $ 343.7 PolyOne Investor Presentation�Credit Suisse 26th Annual Chemical and Ag Science Conference��September 17th, 2013� Forward – Looking Statements Use of Non-GAAP Measures Strategy and Execution Drive Results Four Pillar Strategy PolyOne�At A Glance Mix Shift Highlights Specialty Transformation Proof of Performance & 2015 Goals Innovation Drives Earnings Growth We are Experts in Polymer Science and Formulation Positioned for Strong Growth First Half 2013 Financial Highlights Debt Maturities & Liquidity Summary – 6/30/13 Use of Cash Why Invest In PolyOne?

PolyOne Corporation - TS 691920 Certificate of Registration QUALITY MANAGEMENT SYSTEM - IATF 16949:2016 This is to certify that: PolyOne Corporation 4921 I D A Park Drive Lockport New York 14094 USA operates a Quality Management System which complies with the requirements of IATF 16949:2016 for the following scope: Design and Manufacture of thermoplastic compounds. For and on behalf of BSI: Chief Operating Officer Assurance - Americas Certification Date: 2018-05-10 Latest Issue: 2018-05-10 Expiry Date: 2021-05-09 BSI Certificate Number: 691920 IATF Number: 0303891 Page: 1 of 2 This certificate remains the property of BSI and shall be returned immediately upon request. 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.

First came the requirement for employers to train their employees on the new requirements by December 1, 2013 so our PolyOne FAQs for the Globally Harmonized System (GHS) Safety Data Sheets (SDS) and Product Labeling. Distributors have until December 1, 2015 to implement the same changes. Complete implementation for suppliers and employers will be required by December 1, 2018.

1/2 IATF 16949 - First EditionIATF 16949 - First Edition (The official document is in English. and the applicable customer specific requirements Revision:11 For Bureau Veritas Certification Holding, Le Triangle de l'Arche, 8 Cours du Triangle - 92800 Puteaux - France None Bureau Veritas Certification Certificate N°: FR072877FR072877- IATF- IATF IATF Certificate N°: 442787442787 Date Of Expiration: 01-February-202501-February-2025 Date Of Certification: 02-February-202202-February-2022 PRODUCT(S) DELIVEREDPRODUCT(S) DELIVERED colour with additive concentrates for thermoplastic resins and speciality compounds obtained by mixing and extrusion PERMITTED EXCLUSION(S)PERMITTED EXCLUSION(S) SCOPESCOPE Design and manufacturing Bureau Veritas Certification certify that the Quality Management System of the above organisation has been audited and found to be in accordance with the requirements of Route de la Vavrette, 01250, TOSSIAT FranceRoute de la Vavrette, 01250, TOSSIAT France PolyOne France TossiatPolyOne France Tossiat Awarded to Certificate of ApprovalCertificate of Approval https://e-cer.bureauveritas.com/FMSNR3ILR1QPBBMGXNKFUDB2LWB28AYDXJNZADBZ8WDH3QYML73QK0B7L7V6CZQPGPGDYLG2UVXWEPJVT4Q0E4Z0DOKSEXCP0BNO7K2WUHCQB2Q9ORVVTV4F9DTN2UI35L https://e-cer.bureauveritas.com/FMSNR3ILR1QPBBMGXNKFUDB2LWB28AYDXJNZADBZ8WDH3QYML73QK0B7L7V6CZQPGPGDYLG2UVXWEPJVT4Q0E4Z0DOKSEXCP0BNO7K2WUHCQB2Q9ORVVTV4F9DTN2UI35L https://e-cer.bureauveritas.com/FMSNR3ILR1QPBBMGXNKFUDB2LWB28AYDXJNZADBZ8WDH3QYML73QK0B7L7V6CZQPGPGDYLG2UVXWEPJVT4Q0E4Z0DOKSEXCP0BNO7K2WUHCQB2Q9ORVVTV4F9DTN2UI35L https://e-cer.bureauveritas.com/FMSNR3ILR1QPBBMGXNKFUDB2LWB28AYDXJNZADBZ8WDH3QYML73QK0B7L7V6CZQPGPGDYLG2UVXWEPJVT4Q0E4Z0DOKSEXCP0BNO7K2WUHCQB2Q9ORVVTV4F9DTN2UI35L https://e-cer.bureauveritas.com/FMSNR3ILR1QPBBMGXNKFUDB2LWB28AYDXJNZADBZ8WDH3QYML73QK0B7L7V6CZQPGPGDYLG2UVXWEPJVT4Q0E4Z0DOKSEXCP0BNO7K2WUHCQB2Q9ORVVTV4F9DTN2UI35L https://e-cer.bureauveritas.com/FMSNR3ILR1QPBBMGXNKFUDB2LWB28AYDXJNZADBZ8WDH3QYML73QK0B7L7V6CZQPGPGDYLG2UVXWEPJVT4Q0E4Z0DOKSEXCP0BNO7K2WUHCQB2Q9ORVVTV4F9DTN2UI35L https://e-cer.bureauveritas.com/FMSNR3ILR1QPBBMGXNKFUDB2LWB28AYDXJNZADBZ8WDH3QYML73QK0B7L7V6CZQPGPGDYLG2UVXWEPJVT4Q0E4Z0DOKSEXCP0BNO7K2WUHCQB2Q9ORVVTV4F9DTN2UI35L REMOTE SUPPORT FUNCTION(S)REMOTE SUPPORT FUNCTION(S) (The official document is in English. Revision:11 For Bureau Veritas Certification Holding, Le Triangle de l'Arche, 8 Cours du Triangle - 92800 Puteaux - France Bureau Veritas Certification Certificate N°: FR072877FR072877- IATF- IATF IATF Certificate N°: 442787442787 Date Of Expiration: 01-February-202501-February-2025 Date Of Certification: 02-February-202202-February-2022 Route de la Vavrette, 01250, TOSSIAT FranceRoute de la Vavrette, 01250, TOSSIAT France PolyOne France TossiatPolyOne France Tossiat Awarded to Appendix to the Certificate of ApprovalAppendix to the Certificate of Approval Name Address Scope AVIENT LUXEMBOURG ROUTE DE BASTOGNE, 19, 9836, POMMERLOCH Luxembourg Logistic, Supplier Management, Purchasing PolyOne Europe Logistics 7 rue Blériot, 4460, GRACE HOLLOGNE Belgium Warehousing Polyone Europe ul.

携手更好地发展：PolyOne and Clariant Masterbatch We are better together. Lima, Peru 1. Versaflex™ HC Thermoplastic Elastomers are formulated to meet demanding healthcare device and application challenges without phthalate plasticizers.

GLS™ Versaflex™ PF - Technical Bulletin (Chinese) GLS™ Versaflex™ TPEs for Packaging - Product Selection Guide Versaflex™ PF Solutions for Surface Protection Films (Spanish)

Versaflex CE TPEs for 5G Application Bulletin_CN8.26-2 VERSAFLEX™ CE TPEs 实现 5G 信号高速传输 应用公告 主要特性 • • • 为实现信号高速传输和连接提供卓越的介电性 能及较低的信号损耗 与标准 TPEs 相比，具有更低的介电常数（Dk） 和介电损耗（Df） 物理性能优越、耐紫外线、美观 行业&应用 Versaflex™ CE 3140 TPEs 专为手机保护壳研制， 最大限度地减少信号损耗，实现 5G场景中终端设 备的高速连接，为消费者提供无缝使用体验。分类 Dk @ 40 GHz Df @ 40 GHz Versaflex CE 3140-65N 2.49 0.024 Versaflex CE 3140-90N 2.54 0.021 标准TPE (70A) 2.67 0.055 标准TPE (90A) 2.83 0.038 5G信号通透性能 *兼容5G手机壳的行业基准：2.5 Dk @ 37 GHz 特性 VERSAFLEX CE 3140 标准 TPE 5G毫米波 (mmWave) 频率下的性能 优异 一般 目标介电常数 (