We offer a broad portfolio of technologies that help our customers—and our planet—be more sustainable. Ashland”), a global leader in providing specialty chemical solutions to customers in a wide range of customer and industrial markets. Name Number of Deferred Shares(1) R.E.

They are based on management’s expectations that involve a number of business risks and uncertainties, any of which could cause actual results to differ materially from those expressed in or implied by the forward-looking statements.  Factors that could cause actual results to differ materially from those implied by these forward-looking statements include, but are not limited to:  The final amount of charges resulting from the planned North American asset realignment and the Company’s ability to realize anticipated savings and operational benefits from the asset realignment;  Our ability to achieve the strategic and other objectives relating to the acquisition of Spartech Corporation, including any expected synergies;  Our ability to successfully integrate Spartech and achieve the expected results of the acquisition, including, without limitation, the acquisition being accretive;  Disruptions, uncertainty or volatility in the credit markets that could adversely impact the availability of credit already arranged and the availability and cost of credit in the future;  The financial condition of our customers, including the ability of customers (especially those that may be highly leveraged and those with inadequate liquidity) to maintain their credit availability;  The speed and extent of an economic recovery, including the recovery of the housing market;  Our ability to achieve new business gains;  The effect on foreign operations of currency fluctuations, tariffs, and other political, economic and regulatory risks;  Changes in polymer consumption growth rates in the markets where we conduct business;  Changes in global industry capacity or in the rate at which anticipated changes in industry capacity come online;  Fluctuations in raw material prices, quality and supply and in energy prices and supply;  Production outages or material costs associated with scheduled or unscheduled maintenance programs;  Unanticipated developments that could occur with respect to contingencies such as litigation and environmental matters;  An inability to achieve or delays in achieving or achievement of less than the anticipated financial benefit from initiatives related to working capital reductions, cost reductions, employee productivity goals, and an inability to raise or sustain prices for products or services;  An inability to raise or sustain prices for products or services;  An inability to maintain appropriate relations with unions and employees;  The inability to achieve expected results from our acquisition activities;  Our ability to continue to pay cash dividends;  The amount and timing of repurchases of our common shares, if any; and  Other factors affecting our business beyond our control, including, without limitation, changes in the general economy, changes in interest rates and changes in the rate of inflation.  The above list of factors is not exhaustive.  We undertake no obligation to publicly update forward-looking statements, whether as a result of new information, future events or otherwise. Appendix 2014 Financial Highlights At a Glance�Global Color, Additives and Inks At a Glance�Global Specialty Engineered Materials At a Glance�Designed Structures and Solutions At a Glance�Performance Products and Solutions At a Glance�Distribution Plastics: Key to Future Sustainable Development Commitment to Operational Excellence A Rich Pipeline of Opportunity Application Examples Slide Number 28 Authentication Technology Range Rover Evoque Interior Slide Number 31 Metal Replacement Solutions Next Generation Solar Charger High-Barrier Packaging Containers Aerospace Applications Non-GAAP Reconciliation Sidoti & Company non-GAAP Rec

M&A remains a key component of maintaining material science competitiveness that can enable our customers’ sustainability goals and in turn drive performance at PolyOne. Our sustainable solutions portfolio focuses on ways we help customers achieve their sustainability goals, and the technology offerings have grown at a 9% compounded annual growth rate since 2016. These and other projects benefit the planet by minimizing the amount of natural resources required to safely manufacture, transport and ensure first-time quality material to our customers.

The Avient portfolio of solutions for the EV market includes a number of polymer additives and colorants that can improve the performance and aesthetics of electric vehicle charging stations. Custom formulations can also be developed using Smartbatch™ Combination Colorants & Additives, combining colors and effects with functionality to meet specific requirements. This literature shall NOT operate as permission, recommendation, or inducement to practice any patented invention without permission of the patent owner. 1.844.4AVIENT www.avient.com ADDITIVE TECHNOLOGIES Flame retardant additives Mitigates fire hazard by reducing flame spread and heat release Anti-static and conductive additives Controls build-up of static charges to reduce risk of fire and enhance safety Antimicrobial technology Reduces bacterial, mold and fungal growth on the surface and through the thickness of the part Light spectrum management Provides UV protection to prevent discoloration or degradation of mechanical properties for lasting outdoor durability and color fastness Scratch and mar resistant additives Adds protection to stand up to surface abrasion and wear and tear COLORANT TECHNOLOGIES UL 94 colorants Over 2,000 UL 94-recognized color concentrates, including for high temperature resins Special effect colorants Visual enhancements including metallic, granite, or pearlescent appearance Bio colorants and additives For use in bio-based plastics without compromising performance TECHNOLOGIES AVAILABLE TO ENHANCE PUBLIC CHARGING STATIONS Avient supports all of these solutions with a range of world-class services, including: • Polymer material expertise with a focus on sustainability • Application development expertise with global design centers • Regulatory compliance coordination to help mitigate risk • Reliable field technical services and support • Leading color trend and design services

Ashland”), a global leader in providing specialty chemical solutions to customers in a wide range of customer and industrial markets. Name Number of Deferred Shares(1) (#) R.E. The number of SARs withheld to cover taxes and the net number of shares acquired as a result of SAR exercises during 2021 is as follows: Mr.

October 2018) Department of the Treasury Internal Revenue Service Request for Taxpayer Identification Number and Certification Go to www.irs.gov/FormW9 for instructions and the latest information. Also see What Name and Number To Give the Requester for guidelines on whose number to enter. The number shown on this form is my correct taxpayer identification number (or I am waiting for a number to be issued to me); and 2.

We offer a broad portfolio of technologies that help our customers—and our planet—be more sustainable. Ashland”), a global leader in providing specialty chemical solutions to customers in a wide range of customer and industrial markets. Name Number of Deferred Shares(1)   R.E.

They are based on management’s expectations that involve a number of business risks and uncertainties, any of which could cause actual results to differ materially from those expressed in or implied by the forward-looking statements. 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 Specialty 52% 69% 13% 7% Asia 2014 Revenues: $3.8 Billion End Markets 2014 Revenues: $3.8 Billion PolyOne At A Glance $0.12 $0.27 $0.21 $0.13 $0.68 $0.82 $1.00 $1.31 $1.80 2006 2007 2008 2009 2010 2011 2012 2013 2014 Adjusted EPS PolyOne Corporation Page 6 Old PolyOne *Operating Income excludes corporate charges and special items 2% 34% 43% 62% 65% 66% 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 $183M Mix Shift Highlights Specialty Transformation Transformation 2020 Platinum Vision Platinum Vision PolyOne Corporation Page 7 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% 15.1% 20%+ Designed Structures & Solutions 1.4% (2012) 3.5% 12 – 14% Performance Products & Solutions 5.5% 8.1% 10 – 12% Distribution 2.6% 6.6% 6.5 – 7.5% 2) Specialty Platform % of Operating Income 6.0% 66% 80%+ 3) ROIC 5.0% 11.9% 15% 4) Adjusted EPS Growth N/A 24 Consecutive Quarters of YOY EPS Growth Double Digit Expansion Proof of Performance & 2020 Goals PolyOne Corporation Page 8 Innovation Drives Earnings Growth *Percentage of Specialty Platform revenue from products introduced in last five years $20 $52 2006 TTM Research & Development Spending ($ millions) Specialty Platform Vitality Index Progression* 14% 28% 2006 TTM Specialty Platform Gross Margin % 12% 43% 2006 TTM Specialty Vitality Index Target ≥ 35% TTM 9/30/15 TTM 9/30/15 TTM 9/30/15 PolyOne Corporation Page 9 Innovation Pipeline Potential Prototype Frame Opportunity Scale-up & Test Market Build Business Case Commercial Launch Phase 1 Phase 2 Phase 3 Phase 4 Phase 5 12 4 9 6 1 6 3 7 4 5 6 1 1 7 2 Breakthrough Platform Derivative Number of Projects 12 10 23 19 10 74 Specialty Addressable Market ($ millions) - - $1,150 $1,000 $250 $2,400 PolyOne Corporation Page 10 Lightweighting with Advanced Composites Increasing Healthcare Penetration Innovation Initiatives Expansion in Consumer Markets New Market Development $$$ $$ $ High Temperature Polymers PolyOne Corporation Page 11 Design and Service as a Differentiator Right Material & Color Desired Product Design Appropriate Manufacturing Process Delivering Concept to Commercialization Connecting the Dots with iQ Design Labs and InVisiO Color Design PolyOne Corporation Page 12 Customer First Through World-Class Service Strengthening relationships through:  Providing LSS services to small/medium sized customers • Supporting customers who lack their own formal process improvement initiatives  Providing training in Customer Centric Selling Skills with customers’ sales force PolyOne Corporation Page 13 60% 97% 20% 30% 40% 50% 60% 70% 80% 90% 100% 2008 Q3 2015 Pension Funding** As of September 30, 2015 Debt Maturities & Pension Funding Net Debt / Adjusted EBITDA** = 2.1x $49 $121 $317 $600 $400 $0 $100 $200 $300 $400 $500 $600 $700 $800 2015 2018 2020 2023 Debt Maturities As of September 30, 2015 ($ millions) Coupon Rate: 7.500% Variable* 7.375% 5.250% ** includes US-qualified pension plans only *Weighted average rate on revolver was 2.49% as of 9/30/15 **TTM 9/30/2015 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 $0.32 $0.40 $0.48 $0.10 $0.20 $0.30 $0.40 $0.50 2011 2012 2013 2014 2015 2016 Annual Dividend  Targets that expand our: • Specialty offerings • End market presence • Geographic breadth  Synergy opportunities  Adjacent material solutions  Repurchased nearly 2.4 million shares in Q3 2015  Repurchased 14.8 million shares since early 2013  5.2 million shares are available for repurchase under the current authorization $0.24 PolyOne Corporation Page 15 The New PolyOne: A Specialty Growth Company Why Invest In PolyOne? Appendix Q3 2015 Financial Highlights At a Glance�Global Color, Additives and Inks At a Glance�Global Specialty Engineered Materials At a Glance�Designed Structures and Solutions At a Glance�Performance Products and Solutions At a Glance�Distribution Plastics: Key to Future Sustainable Development Commitment to Operational Excellence Application Examples Outdoor Applications Slide Number 27 Authentication Technology 2015 Range Rover Evoque Interior Slide Number 30 Metal Replacement Solutions High-Barrier Packaging Containers Aerospace Applications Baird Non GAAP Rec.pdf Baird - November 10, 2015

titel 20 21 -1 2- 27 1 1: 24 :4 8 Business Register extract Netherlands Chamber of Commerce CCI number 72287497 Page 1 (of 2) Legal entity RSIN 859060317 Legal form Foreign Legal Entity: Société à Responsabilité Limitée (S.A.R.L.) Corporate seat Luxemburg Date of deed of incorporation 04-07-2018 Registered in Registre de Commerce et des sociétés Luxemburg, Luxembourg under number B226205 Company Trade name Avient S.à r.l., Netherlands branch Company start date 24-07-2018 Activities SBI-code: 46769 - Wholesale of other intermediary products SBI-code: 46696 - Wholesale of packaging SBI-code: 4941 - Freight transport by road (no removal services) Employees 0 Establishment Establishment number 000040405362 Trade name Avient S.à r.l., Netherlands branch Visiting address Uranusweg 3, 8938AJ Leeuwarden Date of incorporation 24-07-2018 Activities SBI-code: 46769 - Wholesale of other intermediary products SBI-code: 46696 - Wholesale of packaging SBI-code: 4941 - Freight transport by road (no removal services) For further information on activities, see Dutch extract. Business Register extract Netherlands Chamber of Commerce CCI number 72287497 Page 2 (of 2) N/A 2021-12-27T11:24:54+0100 Utrecht Kamer van Koophandel Dit document is digitaal ondertekend 2021-12-27T11:24:55+0100

The length of service of the Lead Director is subject to the Board’s discretion. Communications with the public, the press, customers, securities analysts and shareholders should typically be handled by the Chief Executive Officer or other senior management. As part of this guideline, all directors are required to retain 100% of all shares obtained through the Company as compensation for services provided to the Company, such percentage to be calculated after any reduction in the number of shares to be delivered as a result of any taxes and exercise costs relating to such shares.