FX) 2022 GROWTH PROJECTIONS ( T O TA L C O M PA N Y ) 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 ( T O TA L C O M PA N Y ) 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 C A SH F LOW / L E VE R AGE 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.

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; • The current and potential future impact of the COVID-19 pandemic on our business, results of operations, financial position or cash flows including without any limitation, any supply chain and logistics issues • Our ability to achieve the strategic and other objectives relating to the acquisition of Clariant’s Masterbatch business, including any expected synergies; • 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 achieve the anticipated financial benefit from initiatives related to acquisition and integration working capital reductions, cost reductions and employee productivity goals; • Our ability to pay regular quarterly cash dividends and the amounts and timing of any future dividends; • Information systems failures and cyberattacks; • Our ability to consummate and successfully integrate acquisitions; • 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 described in our Annual Report on Form 10-K for the year ended December 31, 2020 under Item 1A, “Risk Factors.”

These personal values begin with each of us—the judgments and decisions we make as individuals affect the way Avient is viewed in the marketplace and in the communities where we work.

Dominic Townsend, President Effective Date: 22 March 2024 Expiration Date: 28 February 2025 Revision Date: 22 March 2024 Avient Corporation - Kalol, India Kalol Works, Shed No.18-22 GIDC Estate Kalol, Gujarat 389330 India Design & Manufacture of Color, Additive Concentrate & Specialty Compounds 65536-116869Certificate No: Page 18 of 53 ABS Quality Evaluations ABS Quality Evaluations, Inc. 1701 City Plaza Drive, Spring, TX 77389, U.S.A. Dominic Townsend, President Effective Date: 22 March 2024 Expiration Date: 28 February 2025 Revision Date: 22 March 2024 Avient Corporation - Rania, India Survey No.344/1-2-3 Rania Works, Sakarda Bhadarwa Road Rania, Gujarat 391780 India Design & Manufacture of Color, Additive Concentrate & Specialty Compounds 65536-117322Certificate No: Page 40 of 53 ABS Quality Evaluations ABS Quality Evaluations, Inc. 1701 City Plaza Drive, Spring, TX 77389, U.S.A.

HOME OUR CODE RESPECT FOR ALL HONESTY AT WORK INTEGRITY IN OUR BUSINESS CORPORATE SOCIAL RESPONSIBILITY RESOURCES MAGATARTÁSI KÓDEXÜNK | 9 TARTALOMJEGYZÉK BEVEZETÉS MAGATARTÁSI KÓDEXÜNK A TISZTELET MINDENKINEK JÁR BECSÜLETESSÉG A MUNKAHELYEN ÜZLETI FEDDHETETLENSÉG TÁRSADALMI FELELŐSSÉGVÁLLALÁS ERŐFORRÁSOK Szerfüggőség A mi feladatunk megtenni a szükséges lépéseket annak érdekében, hogy a munkahelyi környezetünkben tilalom alá essen az alkohol- és kábítószerfogyasztás, valamint az egyéb szabályozás alá eső anyagok fogyasztása. HOME OUR CODE RESPECT FOR ALL HONESTY AT WORK INTEGRITY IN OUR BUSINESS CORPORATE SOCIAL RESPONSIBILITY RESOURCES Tudta?

These personal values begin with each of us—the judgments and decisions we make as individuals affect the way Avient is viewed in the marketplace and in the communities where we work.

Some of the information arises from laboratory work with small-scale equipment which may not provide a reliable indication of performance or properties obtained or obtainable on larger-scale equipment.

HOME OUR CODE RESPECT FOR ALL HONESTY AT WORK INTEGRITY IN OUR BUSINESS CORPORATE SOCIAL RESPONSIBILITY RESOURCES UPPFÖRANDEKOD | 9 INNEHÅLLSFÖRTECKNING INTRODUKTION VÅR UPPFÖRANDEKOD RESPEKT FÖR ALLA ÄRLIGHET PÅ ARBETET INTEGRITET I VÅRA AFFÄRER BOLAGETS SOCIALA ANSVAR RESURSER Substansmissbruk Det är en plikt för var och en av oss att se till att vi arbetar i en miljö fri från effekterna av alkohol och olagliga droger och andra kontrollerade substanser. HOME OUR CODE RESPECT FOR ALL HONESTY AT WORK INTEGRITY IN OUR BUSINESS CORPORATE SOCIAL RESPONSIBILITY RESOURCES Visste du att...?

HOME OUR CODE RESPECT FOR ALL HONESTY AT WORK INTEGRITY IN OUR BUSINESS CORPORATE SOCIAL RESPONSIBILITY RESOURCES PEDOMAN PERIL AKU | 9 DAFTAR ISI PERKENALAN PEDOMAN PERILAKU KITA MENGHORMATI SEMUA ORANG KEJUJURAN DI TEMPAT KERJA INTEGRITAS DALAM BISNIS KITA TANGGUNG JAWAB SOSIAL PERUSAHAAN SUMBER DAYA Penyalahgunaan Zat Terlarang Kita semua bertanggung jawab untuk mengambil langkah dalam memastikan bahwa kita bekerja di lingkungan yang bebas dari segala efek alkohol serta obat-obatan terlarang dan zat terkontrol lainnya. HOME OUR CODE RESPECT FOR ALL HONESTY AT WORK INTEGRITY IN OUR BUSINESS CORPORATE SOCIAL RESPONSIBILITY RESOURCES Tahukah Anda?

HOME OUR CODE RESPECT FOR ALL HONESTY AT WORK INTEGRITY IN OUR BUSINESS CORPORATE SOCIAL RESPONSIBILITY RESOURCES CODICE DI CONDOTTA | 9 INDICE INTRODUZIONE IL NOSTRO CODICE DI CONDOTTA RISPETTO PER TUTTI ONESTÀ SUL LAVORO INTEGRITÀ NELLA NOSTRA ATTIVITÀ RESPONSABILITÀ SOCIALE DELL’AZIENDA RISORSE Abuso di sostanze È compito di tutti noi adoperarci per assicurare un ambiente di lavoro privo degli effetti di alcolici, droghe e altre sostanze controllate. HOME OUR CODE RESPECT FOR ALL HONESTY AT WORK INTEGRITY IN OUR BUSINESS CORPORATE SOCIAL RESPONSIBILITY RESOURCES Lo sapevate?