Terms of disclosure for corporate questionnaire 2024 - CDP . https://www.cdp.net/en/info/terms-and-conditions/terms-of-disclosure/corporate-questionnaire 1 Contents 2 C1. Long-term (2.1.1) From (years) 15 (2.1.2) Is your long-term time horizon open ended? In the near- and medium-term future, the probability of this risk impacting Avient is low.

Short-term and current portion of long-term debt Long-term debt Purchase of common shares for treasury

In addition, adjusted operating income and adjusted EPS, which exclude the impact of special items, are components of various PolyOne annual and long-term employee incentive plans. Pro forma adjusted EPS is defined as adjusted EPS pro forma for the proposed acquisitions excluding the impact of the step-up of depreciation and amortization related to purchase accounting. Sources Cash from Balance Sheet $465 New Senior Unsecured Notes 650 New Equity 450 Total Sources $1,565 Uses Clariant Masterbatch $1,500 Clariant India Masterbatch 60 Less: Lease Adjustment (113) Net Purchase Price $1,447 Net Cash Acquired 57 Fees, Expenses & OID 61 Total Uses $1,565 ($ Millions) Cash and Cash Equivalents $370 $450M Senior Secured ABL Revolver - Senior Secured Term Loan B due 2026 624 Other Debt 25 Total Senior Secured Debt $649 5.25% Senior Unsecured Notes due 2023 $600 New Senior Unsecured Notes 650 Total Senior Debt $1,899 Net Debt $1,529 New Equity $450 Pro Forma Capitalization (1) PF 12/31/2019 $450 $600 $624 $743 2019 2020 2021 2022 2023 2024 2025 2026 A T T R A C T I V E F I N A N C I N G S T R U C T U R E Attractive Debt Maturity Profile Existing Revolver Existing Senior Notes Existing Term Loan B New Debt Financing Financing Summary Terms on New Debt  $465 million of cash from the balance sheet expected to fund a portion of the purchase price  Bridge financing for remainder fully committed from Citi, Morgan Stanley and Wells Fargo  Permanent financing expected to include a combination of long-term debt and new equity  The timing of the permanent financing is subject to a number of factors, including, but not limited to, market conditions  PolyOne is committed to preserving a strong balance sheet – Target net leverage at close below 3.5x, excluding synergies  Pro forma capital structure positions PolyOne with flexibility to pursue continued growth strategy  New financing expected to have same or better covenant package than existing capital structure  Capital structure would be “covenant lite” Capital Policy  Transaction in line with PolyOne’s disciplined capital allocation policy  Existing PolyOne dividend policy to be maintained  Focus on deleveraging in the near term 2028+ PolyOne Corporation 26 PolyOne Corporation 27 T H E N E W P O L Y O N E : A S P E C I A L T Y G R O W T H C O M P A N Y  Landmark portfolio transformation: > 85% of Adjusted EBITDA from specialty solutions  World-class innovation, technology and service are differentiators  Sustainability initiatives and alignment with megatrends drive above market growth in key end markets and applications:  Capital management is a strength - proven track record of expanding ROIC while increasing invested capital Transaction expected to add $0.85 to pro forma adjusted EPS PolyOne Corporation 28 PolyOne Corporation 29

WHY AVIENT WINS 7 Deep Customer Relationships & Application Know-How Superior Design Capabilities & Advanced Analytics Global Footprint Strategically Aligned to Serve Customers We iterate fast and often. 37 24 10 36 • U.S. and Canada • Latin America • Europe, Middle East & Africa • Asia We produce locally, serve globally. Whether it’s an ambitious start-up bringing a new product to market, or a large, multi- national OEM looking for consistency and reliability of global supply, Avient is built for long-term partnerships. That’s Avient. 16,000+ CUSTOMERS >75% ARE CUSTOMIZED SOLUTIONS TO UNIQUE SPECIFICATIONS of sales AVIENT’S VALUE CREATION LEVERS 8 Exposure to high growth end markets Investment in commercial resources and innovation Strong free cash flow generation / capital deployment Clariant Masterbatch synergies COVID recovery Re-Rating: Current share price valuation Avient is poised for near-term and long-term shareholder value creation.

Polyone terms and conditions of sale France - updated September 2009 - 1 - PAI-376900v1 TERMS AND CONDITIONS OF SALE The Terms and Conditions herein apply to the sale of PolyOne products 1. GENERAL These terms and conditions (the "Terms and Conditions") shall exclusively govern the sale and purchase of all products sold by PolyOne France S.A.S. and any of its affiliates in France. The issuance of orders by Buyer implies full acceptance of these Terms and Conditions which shall prevail over Buyer's terms and conditions in the event they contradict or deviate from these Terms and Conditions. 2.

Microsoft Word - Sales Terms and Conditions of Sale for Japan (English and Japanese Translation) 1 TERMS AND CONDITIONS These Terms and Conditions govern the sale of Products to another (“Buyer”) by Avient Corporation and its affiliates (“Seller”). If Buyer resells the Products, Buyer agrees to the Terms and Conditions Regarding Buyer Resale of Avient Products located at www.avient.com/terms. もし買主が本製 品 を 転 売 す る 場 合 に お い て は 、 買 主 は www.avient.com/terms に掲示されている「アビエント 製品の買主による転売に係る条件書（Terms and Conditions Regarding Buyer Resale of Avient Products）に同意するものとする。

Short-term and current portion of long-term debt Long-term debt Purchase of common shares for treasury

Retains tensile strength after 72-hour exposure to common hospital disinfectants, and shows better long-term chemical resistance as compared to PC blends and COPE Browse and download our literature to learn more about Avient solutions and services. Injection molding parameters including barrel temperatures, melt and mold temperatures, drying conditions, and processing guides for Trilliant™ HC8910 and HC8920

Short-term and current portion of long-term debt Long-term debt Purchase of common shares for treasury

Overall, our results of operations, financial condition and cash flows could be materially adversely affected by the disruptions in the global credit and financial markets. We may from time to time seek to retire or purchase our outstanding debt through cash purchases and/or exchanges for equity securities, in open market purchases, privately negotiated transactions or otherwise. PolyOne funded the purchase price with a combination of cash on hand and net proceeds of $285.5 from the new senior secured term loan, discussed in Note 5, Financing Arrangements.