As a result of these plastisol aging characteristics and the potential differences in testing methodology, it is strongly recommended that incoming quality control (QC) specifications not be established based on plastisol Technical Data Sheets (TDS), or Certificates of Analysis (COA).

RADIO FREQUENCY MATERIALS Maximize your radio frequency (RF) performance with PREPERM™ materials OPTIMAL RF PROPERTIES • Well-controlled dielectric constant range 2.55–23 • Ultra-low loss even at mmWave frequencies  • Stable performance even up to 220 GHz SPEED UP YOUR CONCEPT VALIDATION WITH • Avient Design services • Filaments for 3D printing FROM PROTOTYPING TO MASS PRODUCTION • Injection molding process enables flexible product designs • Scalable production • Customized sheets in high volumes • Consistent quality in mass production • Excellent total cost performance compared to traditional materials PREPERM™ IS A SUSTAINABLE CHOICE Products’ life-cycle and environmental footprint are important factors for designers.

First, sheet metal restricts design flexibility, and different automotive OEMs request different attachment configurations for the part, so it becomes extremely time-consuming to design and fabricate multiple variations in metal.

Van Hulle Page 53 United States 33% 47% Canada Asia 12% Latin America Eastern 2% 2011 Revenue: $0.7 Billion*2011 Revenue: $0.7 Billion* SolutionsSolutions At a Glance Building & Construction 11% Wire & Cable 15% Consumer Packaging 36% Industrial 10% Misc. 7% HealthCare 3% Transportation Textiles Canada 1% Latin America 5% 2011 Revenue by Industry Segment*2011 Revenue by Industry Segment* *Pro forma for the acquisition of ColorMatrix Expanding ProfitsExpanding Profits 1.7% 4.6% 5.1% 5.5% 7.1% 9.6% 12-16% 2006 2007 2008 2009 2010 2011PF 2015 Operating Income % of Sales Target Page 54 Value Proposition • GCAI is a global leader enabling OEMs and converters to profitably expand their business with customized color and additive solutions Transformation Highlights • Mix improvement and value-based selling has Value Proposition and Transformation Highlights • Mix improvement and value-based selling has driven nearly 800 basis points increase in operating margin since 2006 • 2011 acquisition of ColorMatrix accelerates innovation pipeline and expansion into new markets > $12B Addressable Market Page 55 • Unbiased, solution-based culture selling value �Customer-centric approach � Economic value impact documented for customers • Complete package, product range and service offering �Custom solutions for customers’ unique requirements Key Differentiators �Custom solutions for customers’ unique requirements � Industry-leading service offering • Coordinated global infrastructure �Consistency in product and customer service � Supply-chain reliability Page 56 From Volume Commodity white dominated mix To Value Focus on specialty color Global Film Customer Volume Revenue Gross Margin $ Mix Transformation – Executing the Strategy 2010 2011 2010 2011 2010 2011 Page 57 Global Packaging Customer Volume Sales Gross Margin $ From Volume Commodity white dominated mix To Value Focus on specialty color Mix Transformation – Executing the Strategy 2010 2011 2010 2011 2010 2011 Page 58 • OnColor™ HC Plus � Applications: Medical devices � Customer benefits: Brand enhancement, expanded market opportunities, speed-to-market • WithStand™ Antimicrobial Solutions � Applications: Healthcare devices, appliances, kitchen utensils Key Innovations � Applications: Healthcare devices, appliances, kitchen utensils and surfaces, children’s toys � Customer benefits: Expanded market opportunities, extended product life • OnCap™ Antifog � Applications: Food packaging � Customer benefits: Extended shelf life, improved product aesthetics, production efficiencies Page 59 • $1.5 billion attractive, growing market • Additives improve performance and reduce cost through light-weighting, reduced waste, faster cycle times, and extended shelf life of finished product • Aligned with megatrend of protecting the environment Market Opportunity Shelf-life extension Greater product consistency Weight reduction Performance Additives the environment Leading Global Supplier of Additives In Fast Growing PET Market consistency Recyclability and reduced carbon footprint Color and special effects Enhanced product aesthetics High heat resistance 4% 4% 8% 9% 9% 10% 11% 14% Western North America South America MEA Easter Asia Pacific China India PET 2008-13P CAGR Page 60 HyGuardTM Oxygen Barrier System • Applications: Beverage containers, food packaging • Function: Active scavenging system for • Function: Active scavenging system for oxygen-barrier improvement • Customer benefits: Extended shelf-life, light-weight, recyclable Page 61 ExceliteTM Foaming Agent • Applications: Vinyl sheet for digital printing • Function: Chemical foaming agent for weight reduction • Customer benefits: Increased product quality, operational efficiencies Page 62 Joule RHBTM Advanced Reheat Technology • Applications: PET containers • Function: Infra-red absorber for improved • Function: Infra-red absorber for improved • Customer benefits: Sustainability, operational and energy savings reheating efficiency Page 63 • Accelerate customer development pipeline with OnColor™ HC Plus • Provide solutions addressing infection concerns in healthcare facilities Areas of Focus $8.7 $20.0 Healthcare 2006 2011PFconcerns in healthcare facilities • Help customers expand into new markets with HyGuard™ technology • Extend food shelf life and consumer appeal with OnCap™ Anti-Fog $130.2 $268.0 2006 2011PF Packaging 2006 2011PF (Revenue in $ millions) 2006 2011PF 2006 2011PF Page 64 Critical Imperatives and 2015 Goal Critical Imperatives • Integrate and leverage ColorMatrix technology and customer relationships • Identify and focus on specialty applications within our target markets • Accelerate global expansion and profitability improvements in emerging markets, leveraging success in U.S. and Europe 2015 Goal • 12 - 16% return on sales Page 65 Page 66

Ensuring that parts can meet sustainability goals and performance standards can be a balancing act, understanding the potential trade-offs is critical. 

Ensuring that parts can meet sustainability goals and performance standards can be a balancing act, understanding the potential trade-offs is critical. 

Strong balance sheet and free cash flow, as total cash and liquidity ended the year at $244 million and $574 million, respectively. As a result, no changes were made to the Directors’ cash retainer and equity award value for the balance of 2017. Name Aggregate Balance at 12/31/2016 ($) Executive Contributions in Last FY ($)(2) Registrant Contributions in Last FY ($)(3) Aggregate Earnings in Last FY ($)(4) Aggregate Withdrawals/ Distributions ($) Aggregate Balance at Last FYE ($)(1)(5) R.M.

The Board believes that this approach serves to strike an effective balance between management and independent Director participation in the board process. As a result, no changes were made to the Directors’ cash retainer and equity award value for the balance of 2015. The tally sheets provide information regarding each Named Executive Officer’s base salary, annual incentives, and long-term incentives, and are reviewed by the Consultant.

Safety Data Sheets Technical Data Sheets Enables versatility in cable design thanks to an unique balance of high flame performance, flexibility, ESCR, and softness

2) 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. 10 Attachment 4 Avient Corporation Condensed Consolidated Balance Sheets (In millions) (Unaudited) September 30, 2022 December 31, 2021 ASSETS Current assets: Cash and cash equivalents $ 544.4 $ 601.2 Accounts receivable, net 504.6 439.9 Inventories, net 441.5 305.8 Current assets held for sale 367.8 360.2 Other current assets 130.0 119.9 Total current assets 1,988.3 1,827.0 Property, net 965.4 672.3 Goodwill 1,491.0 1,284.8 Intangible assets, net 1,525.7 925.2 Operating lease assets, net 56.0 58.2 Non-current assets held for sale — 22.0 Other non-current assets 280.7 207.7 Total assets $ 6,307.1 $ 4,997.2 LIABILITIES AND SHAREHOLDERS' EQUITY Current liabilities: Short-term and current portion of long-term debt $ 613.9 $ 8.6 Accounts payable 448.7 429.5 Current operating lease obligations 18.1 21.1 Current liabilities held for sale 170.3 141.3 Accrued expenses and other current liabilities 304.6 340.2 Total current liabilities 1,555.6 940.7 Non-current liabilities: Long-term debt 2,502.9 1,850.3 Pension and other post-retirement benefits 91.6 99.9 Deferred income taxes 210.4 100.6 Non-current operating lease obligations 35.7 37.3 Non-current liabilities held for sale — 13.1 Other non-current liabilities 174.8 164.8 Total non-current liabilities 3,015.4 2,266.0 SHAREHOLDERS' EQUITY Avient shareholders’ equity 1,720.4 1,774.7 Noncontrolling interest 15.7 15.8 Total equity 1,736.1 1,790.5 Total liabilities and equity $ 6,307.1 $ 4,997.2 11 Attachment 5 Avient Corporation Condensed Consolidated Statements of Cash Flows (Unaudited) (In millions) Nine Months Ended September 30, 2022 2021 Operating Activities Net income $ 158.5 $ 201.7 Adjustments to reconcile net income to net cash provided by operating activities: Depreciation and amortization 110.3 105.8 Accelerated depreciation 4.0 1.9 Share-based compensation expense 9.5 8.4 Changes in assets and liabilities, net of the effect of acquisitions: Increase in accounts receivable (66.5) (199.7) Increase in inventories (12.5) (156.2) Increase in accounts payable 43.5 95.3 Decrease in pension and other post-retirement benefits (15.8) (14.2) (Decrease) increase in accrued expenses and other assets and liabilities, net (7.1) 67.0 Net cash provided by operating activities 223.9 110.0 Investing activities Capital expenditures (55.1) (62.7) Business acquisitions, net of cash acquired (1,426.1) (47.6) Settlement of foreign exchange derivatives 93.3 — Net cash proceeds used by other assets — (2.0) Net cash used by investing activities (1,387.9) (112.3) Financing activities Debt proceeds 1,300.0 — Purchase of common shares for treasury (36.4) (4.2) Cash dividends paid (65.2) (58.2) Repayment of long-term debt (6.8) (16.5) Payments of withholding tax on share awards (4.2) (9.1) Debt financing costs (49.3) — Other financing activities — (3.5) Net cash provided (used) by financing activities 1,138.1 (91.5) Effect of exchange rate changes on cash (30.9) (10.5) Decrease in cash and cash equivalents (56.8) (104.3) Cash and cash equivalents at beginning of year 601.2 649.5 Cash and cash equivalents at end of period $ 544.4 $ 545.2 12 Attachment 6 Avient Corporation Business Segment Operations (Unaudited) (In millions) Operating income and earnings before interest, taxes, depreciation and amortization (EBITDA) at the segment level does not include: special items as defined in Attachment 3; corporate general and administration costs that are not allocated to segments; intersegment sales and profit eliminations; share-based compensation costs; and certain other items that are not included in the measure of segment profit and loss that is reported to and reviewed by the chief operating decision maker.