PRODUCTS APPLICATIONS DESCRIPTION/BENEFITS EXCELITE PF-1 PVC sheet for digital print or trimboard; Fine cell structure able to target low density: improves consistency and control over foaming process FOAM ADDITIVE-54 PVC sheet for digital print or trimboard; Finer cell structure than PF-1 promotes ultra smooth surface finish; improves consistency and control over foaming process PF-1E & FA-54E ADDITIVES PVC sheet for digital print or trimboard; Enhanced run time formulation reduces die lip build-up in PVC processes, leading to longer production run times FOAM ADDITIVE-33 CaZN formulations for PVC sheet, profile, or trimboard Promotes finer cell structure, higher cell density, and surface quality in CaZN PVC dryblends FOAM ADDITIVE-77 HDPE sheet & plastic lumber Industry-leading cell structure and cell density; achieves lower density without sacrificing quality; self-nucleating and able to increase extruder output rates up to 15% FOAM ADDITIVE-85 Endothermic foam or nucleating additive for olefin and styrene polymers; plastic lumber, sheet applications and food packaging products Can be used as a CFA or nucleating additive; nucleating capabilities promote fine cell structure and high cell density; achieves greater density reductions with more consistency and control FOAM ADDITIVE-37 HDPE sheet & plastic lumber Good cell structure and cell density in HDPE lumber; greater consistency and control over foaming process EXCELITE CAN IMPROVE PRODUCTION EFFICIENCY • The process operator has full control of density • Minimizes product rejection due to unnecessarily high/low density • Production should consistently target the bottom of the density specification • Enables control over the reintroduction of regrind or reprocessed materials as a feedstock • Enables the consistent foaming of products using higher percentages of regrind • Carrier selection can promote longer run times, enabling increased line productivity through less plate-out or material build-up on die lips EXCELITE CAN IMPROVE SURFACE FINISH Excelite additives creates a fine, consistent cell structure within the extruded polymer, which determine the surface roughness.

Operational Improvements TPEs create the opportunity to reduce both stock items and work in progress, resulting in more efficient use of working capital.

From custom solutions to innovative design, we understand how to integrate specialty materials into your projects to create reliable and comfortable products that deliver outstanding performance and a remarkable customer experience.

Whether you’re looking to create lightweight designs, amp up aesthetics, rethink comfort, or bring to life your latest cutting-edge idea, you can count on Avient for design and advanced polymer recommendations that will excite your customers and add to your profitability.

Buyer will make all payments hereunder to the account indicated on the invoice.

Factors that could cause actual results to differ materially from those implied by these forward-looking statements include, but are not limited to: • 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 effect on foreign operations of currency fluctuations, tariffs and other political, economic and regulatory risks; • Disruptions or inefficiencies in our supply chain, logistics, or operations; • Changes in laws and regulations in jurisdictions where we conduct business, including with respect to plastics and climate change; • Fluctuations in raw material prices, quality and supply, and in energy prices and supply; • Demand for our products and services; • 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; • Our ability to pay regular quarterly cash dividends and the amounts and timing of any future dividends; • Information systems failures and cyberattacks; • Amounts for cash and non-cash charges related to restructuring plans that may differ from original estimates, including because of timing changes associated with the underlying actions; • Our ability to achieve strategic objectives and successfully integrate acquisitions, including the implementation of a cloud-based enterprise resource planning system, S/4HANA;and • Other factors affecting our business beyond our control, including without limitation, changes in the general economy, changes in interest rates, changes in the rate of inflation, geopolitical conflicts and any recessionary conditions Use of Non-GAAP Measures This presentation includes the use of both GAAP (generally accepted accounting principles) and non-GAAP financial measures.

Use of Non-GAAP Measures This presentation includes the use of both GAAP (generally accepted accounting principles) and non-GAAP financial measures.

Product range • Flame retardants to reduce flammability of fibers and fabrics especially in building and construction applications • Light stabilizers to protect fibers used outdoors or exposed to sunlight against UV light • Antimicrobials to protect hygienic fiber products from bacteria proliferation • Antistatics to reduce electrostatic charges • Antioxidants to reduce polymer oxidation during spinning and protect fabrics during service life • Optical brighteners to provide a brilliant white effect and blueish hue • Electrets to retain electrostatic charge on the polymer surface for a longer period of time in filtration applications • Hydrophobics to impart durable water repellency • Chain extenders for recycled polyester fibers • Others on request Product characteristics • Good spinnability • Fiber-specific QC and protocols • Lot-to-lot consistency • Carriers: PET, PBT, PA 6, PP, and others • Possibility to combine colors and additives into a combination concentrate for convenience • Product guidance from our fiber expert team • Focus on safe and sustainable formulations • Continuous filaments (POY, FDY, HOY, BCF) • Long and short spinning staple fiber • Nonwoven processes (spunbond and meltblown) Cesa™ Fiber Additives MagIQ™ Liquid Fiber Colorants & Additives Multiple color production • Depending on the manufacturing set-up, several injection points can be added to enable multiple color production at the same time on a single extruder Batch size flexibility • Fiber producers can manufacture anything from a few kilograms to hundreds of tons using the same simple process Rapid color changes • No extruder contamination and easy color-on, color-off operation increases color change speed Waste reduction • Rapid color changes, precise metering and the ability to adjust color in-line reduces waste during color changeovers Continuous metering & long spin pack life • High pigment and dye concentrations mean fewer pack changes are required • Where color is running low for larger volume runs, low level metering sensors alert operators and packs can be changed without disrupting production In-line IV adjustment • Specialist additives are available to adjust Intrinsic Viscosity (IV) in-line for rPET applications • These additives are available as single products, or can be combined with color to create a multi- functional formulation Color design service • Avient offers a dedicated color design service to help shorten product development cycles and enhance market agility Liquid color processing • Formulations are stable at temperatures up to 60°C and retain good flow properties at temperatures as low as 10°C • These formulations can help lower yarn friction and abrasion, and there is no fuming or evaporation during production Avient’s liquid fiber colorant technology combines advanced liquid color formulations with state-of-the-art, high-pressure metering equipment to enable late-stage injection of liquid color for spun-dyed polymer melt.

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. 5 Non-GAAP Financial Measures The Company uses both GAAP (generally accepted accounting principles) and non-GAAP financial measures.

Review and recommend to the Board for approval the frequency with which the Company will conduct Say on Pay Votes, taking into account the results of the most recent shareholder advisory vote on the frequency of Say on Pay Votes required by Section 14A of the Exchange Act, and review and approve the proposals regarding the Say on Pay Vote and the frequency of the Say on Pay Vote to be included in the Company's proxy statement.