PolyOne Investor Presentation May 2017 POLYONE CORPORATION 2 Forward-Looking Statements  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. POLYONE CORPORATION 3 Use of Non-GAAP Measures  This presentation includes the use of both GAAP (generally accepted accounting principles) and non-GAAP financial measures. Tax adjustments include the net tax expense/benefit from one-time income tax items, the set-up or reversal of uncertain tax position reserves and deferred income tax valuation allowance adjustments.

https://itunes.apple.com/us/app/polyone-oncolor-portfolio/id594944287?

PolyOne Investor Presentation March 2017 POLYONE CORPORATION 2 Forward-Looking Statements  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. POLYONE CORPORATION 3 Use of Non-GAAP Measures  This presentation includes the use of both GAAP (generally accepted accounting principles) and non-GAAP financial measures. Tax adjustments include the net tax expense/benefit from one-time income tax items, the set-up or reversal of uncertain tax position reserves and deferred income tax valuation allowance adjustments.

NOTE: On July 1, 2020, PolyOne and Clariant Masterbatches joined together as Avient, a new kind of materials company focused on conquering customer challenges and unlocking the potential for innovation and sustainability around the globe. About Avient Avient Corporation (NYSE: AVNT), with 2019 pro forma revenues of $4 billion, provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world. Michelle Maniscalco Senior Manager, Marketing Communications Avient Corporation +1 440-930-1988 michelle.maniscalco@avient.com

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 is a member of the U.S. And this is where PolyOne made a huge difference for one customer. PolyOne’s Corporate EHS&S Department is responsible for overseeing environmental protection and resources.

Investor Day POLYONE I N V E S T O R P R E S E N T A T I O N S E P T E M B E R 2 0 1 9 FORWARD LOOKING STATEMENTS 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. USE OF NON-GAAP MEASURES PolyOne Corporation 3 • This presentation includes the use of both GAAP (generally accepted accounting principles) and non-GAAP financial measures. Tax adjustments include the net tax benefit/(expense) from one-time income tax items, the set-up or reversal of uncertain tax position reserves and deferred income tax valuation allowance adjustments.

PolyOne Corporation Investor Day 2012 PolyOne Investor Presentation Goldman Sachs Basic Materials Conference May 21, 2014 • 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 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?

Corporate Documents Corporate Literature PolyOne Tekno Polimer Mühendislik Plastikleri Sanayi ve Ticaret Anonim Şirketi (Turkish Legal Entity Information)

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 operates a Quality Management System which complies with the requirements of IATF 16949:2016 for the following scope: Design and Manufacture of thermoplastic compounds. CertificateNumber=TS+691920&ReIssueDate=10%2f05%2f2018&Template=inc PolyOne Corporation 4921 I D A Park Drive Lockport New York 14094 Manufacture of thermoplastic compounds. Including the following support activities: PolyOne Design Center (Solution Center) 33567 Walker Road Avon Lake Ohio 44012 Audited by ABS QE Customer service, Marketing, Human resources, Logistics, Supplier management, Continuous improvement, Info.