When showing constant dollar figures on GAAP and non-GAAP financial measures, the foreign exchange impact is calculated by using current foreign exchange rates and applying them to the prior period results. GUIDANCE 7 14.8% 15.8% Adjusted EBITDA Margin % Better-than-expected margins driven by: • Resilient demand for composites and sustainable solutions which improved mix of higher margin applications • Deceleration of raw material inflation • Cost reduction activities Q1 EBITDA BRIDGE 8 $ millions CAI: Price / Mix 19) Inflation (4) SEM: Price / Mix 6) Inflation (4) Net Price Benefit 17) Wage and Energy Inflation (13) Cost Reductions 8) FX (6) Q1 2023 Actual $134) Adjusted EBITDA Q1 2022 Pro Forma $ 176) Demand (48) • Weak demand conditions in-line with previous expectations • Pricing continues to cover inflation of raw materials, wages and energy U.S. & Canada 40% 38% 17% Q1 2023 SEGMENT, END MARKET AND GEOGRAPHY GEOGRAPHY REVENUESEGMENT FINANCIALS 18% 23% Building and 6%Telecommunications END MARKET REVENUE (1) Total company sales and adjusted EBITDA of $846M and $134M, respectively, include intercompany sales eliminations and corporate costs $537M $91M $310M $64M Sales EBITDA Specialty Engineered Materials Color Additives and Inks $134M$846M (1) 9 Q1 2023 SALES BY REGION Yo Y C H A N G E ( E X C L . Avient reflects 2023 adjusted EBITDA guidance of $530M and estimated run-rate CAPEX of $110M.

Melle, Germany 8. Mountain Top, 8. ITEM 8.

PolyOne Corporation Investor Day 2012 PolyOne Investor Presentation 5th Annual Wells Fargo Industrial and Construction Conference May 8, 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. 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 Investor Presentation�5th Annual Wells Fargo�Industrial and Construction Conference �May 8, 2014 �� Forward – Looking Statements Use of Non-GAAP Measures PolyOne Commodity to Specialty Transformation Confirmation of Our Strategy Strategy and Execution Drive Results PolyOne�At A Glance Mix Shift Highlights Specialty Transformation 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?

The PCR Color Prediction Service can help shorten the time-to-launch of new product ranges, allowing fast and reliable checks prior to initiating sample development. 

PHOTO CAPTION: Technicians taking a sample from biotechnological bioreactor in microbiological laboratory.

NEUTM Express Service: Delivering speed to customers’ R&D process with rapid prototyping and sampling of customized materials for a multitude of in-vivo devices

    Improved Adhesion in Pultruded Composite Materials and Test Methods for Evaluation •    Continuous Fiber Reinforced Thermoplastic Application Development and Implementation: Case Study Review •    Overmolding with Continuous Fiber Reinforced Thermoplastic Composites for Selective Reinforcement •    Test Sample Preparation of Pultruded Unidirectional Carbon Parts – Issues in Machining Practice and Alternatives

In addition to its comprehensive portfolio of polymers, functional additives, and colorants for healthcare, PolyOne’s exhibit will include a sampling of healthcare application successes achieved through material science, industry expertise and comprehensive product development support.

Samples will be on display next week at NPE 2015 in PolyOne’s Customer Innovation Center, Room S230BC. 

PCR Color Prediction Service – winner of the 2023 Re|focus Sustainable Innovation in Design Award and a finalist for the 2023 Plastics Recycling Show Europe (PRSE) Product Technology Innovation of the Year Award, this digital service supports PCR resin coloration by illustrating the color possibilities or limitations of certain PCR material before sample development to help simplify the overall decision-making process for brand owners and technical colorists.