This is a reflection of our portfolio transformation, with 100% of sales now coming from specialty applications, as well as our increased presence in higher growth and less cyclical markets.  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, including recessionary conditions; the current and potential future impact of the COVID-19 pandemic on our business, results of operations, financial position or cash flows; changes in polymer consumption growth rates and laws and regulations regarding plastics in jurisdictions where we conduct business; fluctuations in raw material prices, quality and supply, and in energy prices and supply; 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; an inability to raise or sustain prices for products or services; our ability to continue to pay regular quarterly cash dividends, including at the increased rate, 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; the ability to obtain required regulatory approvals and otherwise consummate the proposed sale of the Distribution business; 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 and any recessionary conditions.

Dyneema®, the world's strongest fiber™, enables unmatched levels of performance and protection for end-use applications, including ballistic personal protection, marine and sustainable infrastructure and outdoor sports 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; changes in laws and regulations regarding plastics in jurisdictions where we conduct business; fluctuations in raw material prices, quality and supply, and in energy prices and supply; 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 achieve strategic objectives and successfully integrate acquisitions, including Avient Protective Materials; an inability to raise or sustain prices for products or services; 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; 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 and any recessionary conditions.

TECHNICAL BULLETIN SOLUTIONS DESIGNED TO ADDRESS EVOLVING NEEDS Determining the appropriate polymer for the job can prevent product failures, thereby reducing service calls, product returns and warranty claims for manufacturers. Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application. You have the responsibility to conduct full-scale end-product performance testing to determine suitability in your application, and you assume all risk and liability arising from your use of the information and/or use or handling of any product.

Specialized labs then provide fast sample delivery, using expert formulation practices and quality raw materials to accelerate approvals and time to market. Our ColorNow service is an advanced mobile and web application for digital color matching, prediction, selection, and prompt proposals. Dyneema®, the world’s strongest fiber™, enables unmatched levels of performance and protection for end-use applications, including ballistic personal protection, marine and sustainable infrastructure, and outdoor sports

PRODUCT BULLETIN Sustainability Spotlight Recycle Solutions Copyright © 2023, Avient Corporation. Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application. You have the responsibility to conduct full-scale end-product performance testing to determine suitability in your application, and you assume all risk and liability arising from your use of the information and/or use or handling of any product.

Maintain asset-light, 80% free cash flow conversion profile and be valued as a specialty formulator 5. Lastly, our design capabilities ensure that the application is designed perfectly for the specific end use. WHAT WE DO: WE ARE A FORMULATOR 6 CUSTOM FORMULATION JU LY 27 , 2023 W EB CAS T P RE SE N TATI O N COMPOSITES PORTFOLIO D Y N E E M A ® E X P A N D S O U R E N G I N E E R E D F I B E R S A N D P A N E L S T E C H N O L O G Y LFT Tapes Laminates/Panels Shapes Pultrusion Engineered Fibers 8 DEFENSE TELECOMMUNICATIONS ENERGY TRANSPORTATION Military • Law Enforcement First Responders Body Armor • Helmets Vehicle Protection Sustainable Infrastructure Offshore Wind Electrical Grid Protection EV Battery Components Commercial Laminates Body & Trim • Air Cargo and Railroad Car Panels 5G Applications Fiber Optic Cables Satellite Communications Connectors and Components 9 COMPOSITES SERVE DIVERSIFIED END MARKETS INDUSTRIAL Lifting Slings • Aquaculture High Pressure Pipe Conveyer Springs Q 2 P ER FO RM A N CE Q2 2023 PERFORMANCE VS.

Maintain asset-light, 80% free cash flow conversion profile and be valued as a specialty formulator 5. Our formulation expertise supports material science decisions, while our processing expertise guides customers to use the materials properly. Lastly, our design capabilities ensure that the application is designed perfectly for the specific end use.

CASE STUDY: POLYSTRAND™ THERMOPLASTIC COMPOSITES THERMOPLASTIC COMPOSITES REDUCE WEIGHT, ADD STRENGTH TO INDUSTRY-FIRST SNOWBOARD BINDINGS Discover how Polystrand™ continuous fiber reinforced thermoplastics can add lightweight strength and durability to your application. In creating the Black Label, Rome sought to add a premium highback to their binding collection that would be flexible and durable, providing highly responsive performance in an ultra-light, high-tech binding. However, the molded thermoset composites traditionally used in binding applications are often brittle and lack the processing versatility to allow for significant customization.

Kahler (16) Page 16 • Shifted sales compensation practices to drive value and margin expansion • Significantly upgraded and added sales, marketing, and From Volume to Value $2,622 $3,060 Sales ($ millions) 2006 2011PFadded sales, marketing, and technical resources • Expanded global cross-selling • Invested in training and tools 3.3% 6.8% Adjusted OI% ($ millions) 2006 2011PF 2006 2011PF Page 17 • Value pricing practices enabled by use of EVE tools • Shifting the basis of competition to specialization 1.5% 8.9% Specialty OI% Specialization Drives Margin Expansion 2006 2011PF 7.2% PPS OI% competition to specialization differentiates PolyOne as a value-added solutions provider • Redirecting our technology and marketing focus to the most attractive segments 2.6% 5.6% 2006 2011 POD OI% 5.5% 7.2% 2006 2011 2006 2011 2006 2011 Page 18 • Global key account management team focused on key markets and strategic OEMs • Drive growth in target markets through application development750 1,120 Total Commercial Employees 2007 – 2011 49% Increase Commercial Excellence – Recent Investments *Includes ColorMatrix through application development • Leverage breadth of solutions across all PolyOne platforms to identify innovative solutions for strategic OEMs and Tier 1 partners * 750 2007 2011 Sales Marketing R&D/Tech Page 19 5% 1% 0% 27% 2% 12% 4% Performance Dashboards Drive Execution 45% 26% 18% 5% 55% Page 20 53% Drivers of Customer Loyalty Customer Experience is Key to Customer Loyalty 53% Building Customer Loyalty n = 4,960 B2B customers of 24 companies Source: Corporate Executive Board Company and Brand Impact Product and Service Delivery Value-to- Price Ratio Customer Experience Page 21 • Continue to redirect our focus to more attractive segments and increase customer loyalty and retention • Leverage new commercial tools and investments to enable disciplined execution and accountability Critical Imperatives to enable disciplined execution and accountability • Position PolyOne as the differentiated value-added specialty solutions provider Drive improved mix in all segments and achieve margin and profitability growth Page 22 Page 23

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