Cotrep certification: detection and sorting of CESA IR PP 94000725 (French language version) Cotrep certification: detection and sorting of CESA IR PE 94000816 (French language version) Cotrep certification: detection and sorting of CESA IR PE 94000817 (French language version)

Certain facilities have also received official certification to the ISO 14001 International Environmental Management System. At present, multiple Avient facilities hold ISO 14001 Certification. Global ISO Certificate Library

FX) 2022 GROWTH PROJECTIONS (TOTAL COMPANY) 19 $3.05 $3.50 2021 2022E Full Year – Adjusted EPS + 15% (+ 17% excluding FX) $0.89 $0.95 2021 2022E Q1 – Adjusted EPS + 7% (+ 10% excluding FX) ($ millions) Q1 Full Year Q1 Full Year 2021 - Actual 1,162$ 4,819$ 123$ 429$ Sustainable Solutions 27 110 12 44 Healthcare 15 66 4 13 Composites (excl.Outdoor High Performance) 11 29 5 13 Outdoor High Performance Applications (7) (20) (4) (10) Growth in Asia / LATAM 10 51 3 11 Other 57 115 9 12 Sub-total 1,275$ 5,170$ 152$ 512$ Wage Inflation and Overtime (12) (18) Other Supply Chain Costs (4) (7) FX Impact (25) (70) (4) (8) Synergies 4 15 Travel, Other Employee Costs (1) (4) 2022 - Estimated 1,250$ 5,100$ 135$ 490$ Sales Adjusted Operating Income 2022 SALES AND OI – Q1 AND FULL YEAR (TOTAL COMPANY) 20 ($ millions) 2021 2022E Cash Flow from Operating Activities 234$ 385$ Less: Run-Rate CapEx (86) (90) CapEx for Clariant Integration (15) (20) CapEx for IT System Upgrade - (25) Total CapEx (101) (135) Free Cash Flow 133$ 250$ Adjusted EBITDA 581$ 635$ Net Debt / Adjusted EBITDA 2.2x 1.8x 21 CASH FLOW / LEVERAGE 22 • Record results – highest level of sales ($4.8B) and earnings ($3.05 adjusted EPS) in company history • Successful Clariant Color integration – net debt to adjusted EBITDA reduced to 2.2x, one-year ahead of schedule • Recognized as one of America’s Most Responsible Companies by Newsweek • Earned 3rd consecutive Great Place to Work certification 2021 HIGHLIGHTS 23 • 15% adjusted EPS growth to $3.50, led by growth in sustainable solutions and increased synergy realization • Continued strong synergy capture from the Clariant Color integration: $75M anticipated run-rate synergies by the end of 2022 • Adjusted EBITDA of $635M represents 9% growth above 2021 – 11% excluding the impact of foreign currencies • Deleveraged to 1.8x net debt to adjusted EBITDA by the end of 2022 2022 SUMMARY PEER COMPARISONS 25 As a specialty formulator, we don’t require significant capital investment, as compared to the base resin raw material suppliers we purchase from.

Caption: Avient Corporation today announced the ISO 13485:2016 certification of its production site in Taoyuan, Taiwan (near Taipei). ISO 13485 certification is the culmination of two years’ work to create a completely segregated, dedicated healthcare operation similar to other MEVOPUR plants. The certification of this fourth MEVOPUR site provides further proof of our commitment to the healthcare industry and to helping our customers achieve their product safety requirements.”

Latin America Manufacturing Certificate Bulletin (Portuguese) Latin America Manufacturing Certificate Bulletin (Spanish) Manufacturing certificate overview for plants in Latin America (Spanish language version)

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In order to receive certification, an ACC member or Partner company must demonstrate conformance to the Responsible Care Management System’s comprehensive set of EHS&S requirements, which are validated through an independent, third-party audit process. Global ISO Certificate Library

2023 CDP Certification Global ISO Certificate Library

Find out what the government requires manufacturers to provide in terms of certification and testing. The timetable for testing, certification and enforcement as outlined on the CPSC web site (see link in adjacent column), generally requires compliance in advance of testing and certification. Global ISO Certificate Library

Markarian, “Renewable reinforcements hit the road,” Compounding World (March 2015) www.compoundingworld.com