In the event of Buyer’s breach or failure to perform, Seller shall be entitled to (but is not required to) recover from Buyer, in addition to any other damages caused by such action: (i) in the case of Products produced specifically for Buyer or which reasonably cannot be resold by Seller to a third party, the price of such Products as quoted in Seller’s order confirmation; or (ii) in the case of Products which can be resold by Seller, damages equal to fifty percent (50%) of the price for the Products as quoted in Seller’s order confirmation, as liquidated damages. If (i) Buyer is in default of performance of its obligations towards Seller and fails to provide adequate assurance of Buyer’s performance before the date of scheduled delivery; or (ii) if Seller has reasonable doubts with respect to Buyer’s performance of its obligations and Buyer fails to provide to Seller adequate assurance of Buyer’s performance before the date of scheduled delivery and in any case within thirty (30) days of Seller’s demand for such assurance; or (iii) if Buyer becomes insolvent or unable to pay its debts as they mature, or goes into liquidation or any bankruptcy proceeding shall be instituted by or against Buyer or if a trustee or receiver or administrator is appointed for all or a substantial part of the assets of Buyer or if Buyer makes any assignment for the benefit of its creditors; or (iv) in case of non-compliance of Buyer with any law, statute ordinance, regulation, code or standard (“Laws and Standards”), then Seller may by notice in writing to Buyer, without prejudice to any of its other rights: (a) demand return and take repossession of any delivered Products which have not been paid for and all costs relating to the recovery of the Products shall be for the account of Buyer; and/or (b) suspend its performance or terminate its order 9.

Strong balance sheet and free cash flow, as total cash and liquidity ended the year at $244 million and $574 million, respectively. Year Ended December 31, Reconciliation to Consolidated Statements of Income 2017 2016 Operating income - GAAP 277.5 286.3 Special items in operating income (1) 32.5 23.6 Operating income adjusted $ 310.0 $ 309.9 Liquidity is calculated as follows: As of December 31, 2017 Cash and cash equivalents $ 243.6 Revolving credit availability 330.3 Liquidity $ 573.9 (1) Special items are a non-GAAP financial measure and are used to determine adjusted earnings.

Color, Additives & Inks and Specialty Engineered Materials delivered record operating margins of 16.7% and 14.7% respectively in 2015 ● Increased our dividend 20% to $0.12 per quarter, representing the fifth consecutive year of increases and a 200% increase from when we initiated quarterly dividends in 2011 ● Year-end Operating Income and Adjusted Operating Income increased to $251 million and $322 million, respectively, up from $155 million and $320 million, respectively, in 2014 ● Strong balance sheet and free cash flow, as total cash and liquidity ended the year at $280 million and $622 million, respectively. Year Ended December 31, Reconciliation to Consolidated Statements of Income 2015 2014 Operating income adjusted $ 322.2 $320.0 Special items in operating income (71.3 ) (164.9 ) Operating income - GAAP $ 250.9 $ 155.1 Liquidity is calculated as follows: As of December 31, 2015 Cash and cash equivalents $ 279.8 Revolving credit availability 341.9 Liquidity $ 621.7 Net debt to adjusted EBITDA is calculated as follows: Year Ended December 31, 2015 Short-term portion and current portion of long-term debt $ 18.6 Long-term debt 1,128.0 Less: Cash and cash equivalents (279.8 ) Net Debt $ 866.8 Operating Income $ 250.9 Other expense, net (2.7 ) Depreciation and amortization 104.3 Special items, impact on operating (loss)/income 71.2 Accelerated depreciation included in special items (6.2 ) Adjusted EBITDA $ 417.5 Net Debt/Adjusted EBITDA 2.1 mpTableOfContents

Photos (L to R): 1) Exploring sustainable color innovations at our ColorWorks™ facility in Merate, Italy. 2) Inaugurating the Zero Liquid Discharge facility in Pune, India—a significant step in our water conservation journey. 3) Presenting United Way with the donations from Avient’s annual supplier golf outing, an example of our commitment to community engagement. We are also a highly specialized developer and manufacturer of performance enhancing additives, liquid colorants and silicone colorants. This liquid dispersion process aid has APR Critical Guidance recognition.

to Gold and by CDP to A-.

ColorMatrix™ SmartHeat™ RHC is an APR accredited, patent protected, liquid dispersion process aid that reduces the amount of energy required during bottle manufacture and improves recyclability of PET over time. HIFORMER™ Liquid Polymer Processing Aid provides sustainability and production benefits for packaging film suppliers such as longer production runs, reduced energy consumption and reduced waste. HOME | Contents | Message from the CEO | Who We Are | People | Products | Planet | Performance | Metrics | IndexHOME | Contents | Message from the CEO | Who We Are | People | Products | Planet | Performance | Metrics | Index Sustainability Report | 2021 45 https://www.avient.com/products/polymer-additives/oxygen-scavengers/colormatrix-capture-oxygen-scavenger-pet https://www.avient.com/products/polymer-additives/reheat-additives-pet/colormatrix-smartheat-rhc https://www.avient.com/products/polymer-additives/clarifier-and-toner-additives/colormatrix-optica-toners-pet https://www.avient.com/products/polymer-colorants/solid-color-masterbatches/oncolor-fx-special-effect https://www.avient.com/products/polymer-additives/processing-enhancement-additives/colormatrix-reprize-iv-builder-pet https://www.avient.com/products/polymer-colorants/liquid-color-concentrates/hiformer-liquid-masterbatches https://www.avient.com/products/polymer-colorants/solid-color-masterbatches/oncolor-ir-sortable-black-recyclable-packaging https://www.avient.com/products/polymer-colorants/solid-color-masterbatches/rejoin-pcr-masterbatch-polyolefins Healthcare Plastics are a crucial tool in saving lives and improving health and safety in our communities.

R : Un panier de fruits ou de chocolats offert à une entité (et non à un particulier) peut être accepté, mais jamais d’argent liquide ou d’équivalent (ce qui inclut les cartes-cadeaux).

Director since: 2017 Age: 63 Current Public Company Directorships: • Eastman Chemical Company • Air Liquide Former Directorships: • Innophos Ernest Nicolas Chief Supply Chain Officer at HP Inc., a technology company with a product and services portfolio of personal systems, printers, and 3D printing solutions, since 2022. Adjustments: The Committee will make or provide for such adjustments in: (1) the number of and kind of Common Shares covered by outstanding stock options, SARs, restricted stock, RSUs, performance shares and performance units granted under the Amended 2020 Plan; (2) if applicable, the number of and kind of Common Shares covered by Other Awards granted pursuant to the Amended 2020 Plan; (3) the exercise price or base price provided in outstanding stock options and SARs, respectively; (4) cash incentive awards; and (5) other award terms, as the Committee in its sole discretion, exercised in good faith determines to be equitably required in order to prevent dilution or enlargement of the rights of participants or optionees that otherwise would result from (a) any extraordinary cash dividend, stock dividend, stock split, combination of shares, recapitalization or other change in the capital structure of the Company; (b) any merger, consolidation, spin-off, spin-out, split-off, split-up, reorganization, partial or complete liquidation or other distribution of assets, issuance of rights or warrants to purchase securities; or (c) any other corporate transaction or event having an effect similar to any of the foregoing. The Compensation Committee shall make or provide for such adjustments in the number of and kind of Common Shares covered by outstanding Option Rights, Appreciation Rights, Restricted Stock, Restricted Stock Units, Performance Shares and Performance Units granted hereunder and, if applicable, in the number of and kind of Common Shares covered by other awards granted pursuant to Section 10 hereof, in the Option Price and Base Price provided in outstanding Option Rights and Appreciation Rights, respectively, in Cash Incentive Awards, and in other award terms, as the Compensation Committee, in its sole discretion, exercised in good faith, determines is equitably required to prevent dilution or enlargement of the rights of Participants that otherwise would result from (a) any extraordinary cash dividend, stock dividend, stock split, combination of shares, recapitalization or other change in the capital structure of the Company, (b) any merger, consolidation, spin-off, split-off, spin- out, split-up, reorganization, partial or complete liquidation or other distribution of assets, issuance of rights or warrants to purchase securities, or (c) any other corporate transaction or event having an effect similar to any of the foregoing.

Director since: 2017 Age: 62 Current Public Company Directorships: • Eastman Chemical Company • Air Liquide Former Directorships: • Innophos Ernest Nicolas Senior Vice President and Chief Supply Chain Officer at Rockwell Automation, Inc.

Director since: 2017 Age: 65 Current Public Company Directorships: • Eastman Chemical Company • Air Liquide S.A.