Any additional, different or other terms and/or conditions contained in any purchase order, document, website or other communication by or from Buyer are hereby objected to and rejected by Seller. Any times or dates for delivery communicated by Seller (including those contained in Seller’s order confirmation) are estimates only and are not terms of the sale. Buyer acknowledges that Seller has furnished to Buyer Safety Data Sheets, which include warnings together with safety and health information concerning the Product and/or the containers for such Product.

Any additional, different or other terms and/or conditions contained in any purchase order, document, website or other communication by or from Buyer are hereby objected to and rejected by Seller. Any times or dates for delivery communicated by Seller (including those contained in Seller’s order confirmation) are estimates only and are not terms of the sale. Buyer acknowledges that Seller has furnished to Buyer Safety Data Sheets, which include warnings together with safety and health information concerning the Product and/or the containers for such Product.

Climate Change As more scientific reports continue to warn of the urgent and impending effects of climate change, implementation of circular economics can be a powerful step towards helping to solve the world’s climate crisis. SOURCE: https://www.sourcetoday.com/supply-chain/article/21142961/four-challenges-standing-in-the-way- of-a-circular-economy Report According to the 2021 Circularity Gap Report, our global economy is only 8.6% circular. The report also identifies strategies for nearly doubling that figure to 17% by 2030 by identifying sectors with a high potential for change.

PET SUPPLY MANUFACTURER D O G T O Y • Tear strength • Durability • Colorability • Formulation must not intentionally contain BPA, heavy metals, latex, natural rubber, phthalates, or SVHC (REACH) • Optimized material processing and tooling through technical services and application development support • Delivered a solution to address regulation and consumer safety concerns Versaflex™ Thermoplastic Elastomer KEY REQUIREMENTS WHY AVIENT?

Avient makes no representations, guarantees, or warranties of any kind with respect to the information contained in this document about its accuracy, suitability for particular applications, or the results obtained or obtainable using the information. Values reported as “typical” or stated without a range do not state minimum or maximum properties; consult your sales representative for property ranges and min/max specifications.

The tables in the next pages contain all Avient UL 94 recognized color concentrates published on UL prospector until March 2021. Avient makes no representations, guarantees, or warranties of any kind with respect to the information contained in this document about its accuracy, suitability for particular applications, or the results obtained or obtainable using the information. Values reported as “typical” or stated without a range do not state minimum or maximum properties; consult your sales representative for property ranges and min/max specifications.

Patterson added, “Last year, we substantially expanded our composite offerings with the acquisition of Dyneema®, the world’s strongest fiber™, and I’m pleased to report integration is progressing exceptionally well. For more information, visit https://www.avient.com. https://www.avient.com/ 5 Forward-looking Statements In this press release, statements that are not reported financial results or other historical information are "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995. 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. 6 Investor Relations Contact: Giuseppe (Joe) Di Salvo Vice President, Treasurer and Investor Relations Avient Corporation +1 440-930-1921 giuseppe.disalvo@avient.com Media Contact: Kyle G.

PHILIPS AVENT M I L K B O T T L E S E A L • FDA, EU & China fatty food contact regulations • Provided a tight seal at elevated temperatures for sterilization • Can cater to repeated refrigeration • Utilized material expertise to develop a product to meet fatty food contact regulations and offer safe sealing performance • Enabled mothers to convert their Philips AVENT bottles into breast milk storage containers Versaflex™ FFC2882-87 Thermoplastic Elastomer KEY REQUIREMENTS AVIENT SOLUTION REGULATORY COMPLIANCE LEARN MORE WHY AVIENT?

CLEVELAND – April 30, 2021 – Avient Corporation (NYSE: AVNT), a leading provider of specialized and sustainable material solutions, today reported its first quarter results for 2021. I’m very pleased to report we achieved the highest level of organic sales growth in the last decade, as the economy recovers from the pandemic lows of the prior year. As companies report their earnings this year and compare to 2020, there will be many examples of significant growth being delivered.

Global Compact & fulfilled Communication of Progress (COP) requirements • New Sustainability Strategy overview page including our 2022 AIP ESG metrics • New ESG Performance page with ESG ratings, awards, and certifications • Increased disclosures on carbon emissions, including disclosure of Climate Change Scenario Analysis • Added new Product Stewardship and Chemical Management policies • Enhanced data reporting for Workforce Demographics • Improved social disclosures on human rights, dependent care and special leave and strategic training management 2021 SUSTAINABILITY REPORT Launching integrated sustainability website in parallel with report Aligned with leading reporting frameworks 6 Released July 2022 ESG RATINGS PERFORMANCE ESG AWARDS AND CERTIFICATIONS ESG PERFORMANCE & AWARDS 84th 3 1 2 7 T RAN S FO R MAT IO NAL OVE RV IE W Avient Protective Materials Dyneema ® RECENT TRANSACTIONS Acquired Divested $1.45 B $0.95 B 9 Distribution UPDATED CAPITAL STRUCTURE & LIQUIDITY • Proceeds from completed sale of Distribution used to pay near-term maturing debt to strengthen balance sheet • Fixed/floating debt ratio of ~55/45 • Proven track record of deleveraging following major acquisitions through strong free cash flow generation • 2022 pro forma net debt/adjusted EBITDA expected to be 3.1x $725 $725 $575 $500 $600 $525 $650 $650 $600 Capital Structure Cash $544 Undrawn Revolver $250 Liquidity $3.15B $2.40B 2030 Notes 2029 Term Loan 2026 Term Loan 2025 Notes 2023 Notes After Dyneema Acquisition After Distribution Divestiture $794M (1) (1) $250M reflects estimated undrawn revolver following the divestiture of Distribution 10 PREVIOUS TRANSACTIONS Performance Solutions Products & $0.8 B COLOR $1.4 B Acquired (2020)Divested (2019) 11 • Acquisition of Clariant Color business significantly expanded presence in healthcare, packaging and consumer end markets • Strength of portfolio – double-digit annual EBITDA growth since acquisition • $75 million of realized synergies anticipated in 2022 • Acquisition completed on July 1, 2020 for $1.45 billion.