All Rights Reserved 2025 11 Pathway to 20%+ adjusted EBITDA margins 1 Operating leverage • Organic volume growth and SG&A efficiencies from prioritizing resources across the company 2 Mix improvement • Increased sales in higher margin growth platforms 3 Productivity • Manufacturing & sourcing efficiencies • Footprint optimization • Digital technologies Avient margin expansion Schematic illustration only Productivity +400bps margin expansion 20%+ Strategic objective 16.2% 2024 adjusted EBITDA margin +2% +1% Operating leverage +1% Mix improvement Copyright © . All Rights Reserved 2025 12 Disciplined capital allocation PRIORITIZATION AND PHILOSHOPY Capex Expected annual spend between 3-5% of revenue to support investment in organic growth M&A De-emphasized in near term; complement organic growth strategy with M&A over time, as needed 1 2 Dividends Increasing each year with underlying earnings growth 3 Debt pay down Target net debt to adjusted EBITDA less than 2.5x 4 Share repurchases Opportunistic buy backs 5 Copyright © . All Rights Reserved 2025 26 Avient 2024 regional sales, by end market US & CANADA 41% of sales EMEA 35% of sales ASIA 18% of sales LATIN AMERICA 6% of sales 13% 22% 14% 9% 13% 10% 9% 6% 4% Packaging TelecomEnergyDefenseHealthcareBuilding & construction TransportationIndustrialConsumer 26% 13% 16% 13% 10% 5% 10% 5% 2% 31% 26% 14% 10% 5% 10% 1%1% 2% 61% 20% 7% 6% 4% 2% Copyright © .

July 26, 2016

July 26, 2021

April 26, 2023

Caption: Renderings of Avient’s K 2022 exhibit to be on display at hall 8A/G10 in Düsseldorf, Germany, from October 19-26, 2022.

January 26, 2021

Clariant MB acquired July 1, 2020 COLORWORKS INSPIRATION. Obtain 60% of electricity demand from renewable sources. D is t. ) K W R P P G A V Y F U L R P M G C P H X L F M C H U N IF F E C L A S H K R A E M N C E S C L A LB Median: 5%Median: 3% Source: Peer data per Bloomberg market data as of July 28, 2021 Avient reflects 2021 estimated revenue of $4,650M and excludes one-time synergy capture CAPEX ($20M) Avient Specialty Formulators Other Chemical/Specialty Companies Free Cash Flow Conversion (1) 2021E (%) Being asset light helps us to generate strong free cash flow that is in line with specialty formulators.

Actions are already underway in three primary categories: Administrative, Sourcing and Operations. Free cash flow conversion calculated as (EBITDA – Capex) / EBITDA Source: Bloomberg market data as of November 9, 2020 Median: 82% Median: 73% HIGH FREE CASH FLOW CONVERSION 83 86 85 85 80 78 58 88 83 81 79 77 76 73 73 72 72 67 64 63 60 6 A v ie n t K W R R P M P P G F U L A V Y G C P F M C IF F U N V R B N R E M N E C L C E H X L F O E A S H G R A H U N K R A S C L A L B Net Debt / 2021E EBITDA (1) We typically operate at 2.5–3.0x net debt to EBITDA. SEGMENT HIGHLIGHTS Packaging 37% Consumer 22% Healthcare 8% Industrial 14% Building & Construction 8% Transportation 6% Wire & Cable 3% Electrical & Electronics 2% C O L O R , A D D I T I V E S & I N K S 2020 PF REVENUE | $2 .0 BILLION $9 $320 2005 2020PF 2.0% 15.9% 2020 figures Pro forma estimates for acquisition of the Clariant Masterbatch business US & Canada 32% Europe 39% Asia 23% Latin America 6% END MARKET REGION EBITDA DOLLAR & MARGIN EXPANSION 24 $5 $120 2005 2020E US & Canada 59% Europe 23% Asia 18% Consumer 23% Healthcare 10% Packaging 6% Wire & Cable(1) 25% Electrical & Electronics 14% Industrial 10% Transportation 10% Building & Construction 2% S P E C I A LT Y E N G I N E E R E D M AT E R I A L S 2020E REVENUE | $700 MILLION 0.9% 17.1% END MARKET REGION EBITDA DOLLAR & MARGIN EXPANSION 25 (1) Approximately 50% of Wire and Cable sales are associated with Fiber Optic Cabling Healthcare 30% Consumer 24%Packaging 3% Industrial 19% Transportation 15% Electrical & Electronics 4% Building & Construction 4% Wire & Cable 1% US & Canada 79% Asia 2% Latin America 19% END MARKET REGION EBITDA DOLLAR & MARGIN EXPANSION DISTRIBUTION 2020E REVENUE | $ 1 .1 BILLION $20 $70 2005 2020E 2.9% 6.3% KEY SUPPL IER S 26 AMERICAS EUROPE ASIA Consumer 26% Healthcare 19% Packaging 13% Industrial 16% Wire & Cable 7% Building & Construction 5% Electrical & Electronics 4% Packaging 35% Consumer 14%Healthcare 6% Industrial 17% Wire & Cable 10% Building & Construction 8% Electrical & Electronics 3% Packaging 32% Consumer 26% Healthcare 12% Industrial 7% Wire & Cable 6% Building & Construction 4% Electrical & Electronics 9% Transportation 10% Transportation 7% Transportation 4% 2020 figures Pro forma estimates for acquisition of the Clariant Masterbatch business TOTA L C O M PA N Y R E G I O N A L S A L E S BY END MARKET (58% of sales) (25% of sales) (17% of sales) 27

Actions are already underway in three primary categories: Administrative, Sourcing and Operations. Consensus EBITDA of $460M per Bloomberg Source: Capital IQ market data as of August 24, 2020 Median: 14.1x Median: 10.1x OUR VALUATION VERSUS PEERS Avient Specialty Formulators Other Chemical/Specialty Companies SUMMARY: WHY INVEST IN AVIENT? SEGMENT HIGHLIGHTS Packaging 37% Consumer 22% Healthcare 8% Industrial 14% Building & Construction 8% Transportation 6% Wire & Cable 3% Electrical & Electronics 2% C O L O R , A D D I T I V E S & I N K S 2020 PF REVENUE | $2 .0 BILLION $9 $310 2.0% 15.5% 2020 figures Pro forma estimates for acquisition of the Clariant Masterbatch business US & Canada 32% Europe 39% Asia 23% Latin America 6% END MARKET REGION EBITDA DOLLAR & MARGIN EXPANSION 24 US & Canada 59% Europe 23% Asia 18% Consumer 23% Healthcare 10% Packaging 6% Wire & Cable(1) 25% Electrical & Electronics 14% Industrial 10% Transportation 10% Building & Construction 2% S P E C I A LT Y E N G I N E E R E D M AT E R I A L S 2020E REVENUE | $685 MILLION 0.9% 16.8% END MARKET REGION EBITDA DOLLAR & MARGIN EXPANSION 25 (1) Approximately 50% of Wire and Cable sales are associated with Fiber Optic Cabling Healthcare 30% Consumer 24%Packaging 3% Industrial 19% Transportation 15% Electrical & Electronics 4% Building & Construction 4% Wire & Cable 1% US & Canada 79% Asia 2% Latin America 19% END MARKET REGION EBITDA DOLLAR & MARGIN EXPANSION DI S TR IBU T I ON 2020E REVENUE | $1 .05 B ILL ION $20 $65 2.9% 6.2% K E Y S U P P L I ER S 26 AMERICAS EUROPE ASIA Consumer 26% Healthcare 19% Packaging 13% Industrial 16% Wire & Cable 7% Building & Construction 5% Electrical & Electronics 4% Packaging 35% Consumer 14%Healthcare 6% Industrial 17% Wire & Cable 10% Building & Construction 8% Electrical & Electronics 3% Packaging 32% Consumer 26% Healthcare 12% Industrial 7% Wire & Cable 6% Building & Construction 4% Electrical & Electronics 9% Transportation 10% Transportation 7% Transportation 4% 2020 figures Pro forma estimates for acquisition of the Clariant Masterbatch business TOTA L C O M PA N Y R E G I O N A L S A L E S BY END MARKET (58% of sales) (25% of sales) (17% of sales) 27

Attachment 1 1) SOURCE