PACKING YARN FIBERS PROCESSES PRODUCTS MOVING HIGH PERFORMANCE FIBERS FORWARD This data is provided for informational purposes only, and does not constitute a specification. Uranusweg 3 8938 AJ Leeuwarden The Netherlands +31(0) 58 216 75 99 info@fiber-line.com NOTICE: The information and data contained herein do not constitute sales specifications.

RIPCORDS FIBERS PROCESSES PRODUCTS MOVING HIGH PERFORMANCE FIBERS FORWARD This data is provided for informational purposes only, and does not constitute a specification. Uranusweg 3 8938 AJ Leeuwarden The Netherlands +31(0) 58 216 75 99 info@fiber-line.com ABOUT FIBER-LINE® NOTICE: The information and data contained herein do not constitute sales specifications.

INDUSTRIAL FABRIC YARN FIBERS PROCESSES PRODUCTS MOVING HIGH PERFORMANCE FIBERS FORWARD This data is provided for informational purposes only, and does not constitute a specification. Uranusweg 3 8938 AJ Leeuwarden The Netherlands +31(0) 58 216 75 99 info@fiber-line.com NOTICE: The information and data contained herein do not constitute sales specifications.

MOVING HIGH PERFORMANCE FIBERS FORWARD This data is provided for informational purposes only, and does not constitute a specification. Uranusweg 3 8938 AJ Leeuwarden The Netherlands +31(0) 58 216 75 99 info@fiber-line.com NOTICE: The information and data contained herein do not constitute sales specifications.

TECHNICAL PROPERTIES(1) TEST METHOD Complēt LGF30-PKE NAT Complēt LGF40-PKE NAT Complēt LGF50-PKE NAT Physical Density/Specific Gravity ASTM D792 1.47 1.54 1.66 Mechanical Tensile Strength (Yield) ASTM D638 21,100 psi 24,700 psi 26,400 psi Tensile Modulus(2) ASTM D638 1,150,000 psi 1,570,000 psi 2,150,000 psi Flexural Modulus(3) ASTM D790 1,120,000 psi 1,480,000 psi 2,030,000 psi Flammability (non-PFAS options available) Flame Rating @ 1.5 mm UL 94 V-0 V-0 — COLD IMPACT PERFORMANCE Ft -lb /in Data based on single lot of lab-generated samples. Values are not to be construed as specifications. ■ Notched 23C ■ Unnotched 23C ■ Unnotched -30C■ Notched -30C 0 5 10 15 20 25 Complēt LGF30-PKE NAT Complēt LGF40-PKE NAT Complēt LGF50-PKE NAT Izod Impact Notched ASTM D256/Unnotched ASTM D4812 4.1 4.7 5.4 18.9 19.5 19.919.1 19.8 20.1 4.0 4.6 5.0 (1) Data based on single lot of lab generated samples.

We are Avient. 4 BETTER TOGETHER: POLYONE AND CLARIANT MASTERBATCH Key Data 2021E Sales $4.1 billion 2021E EBITDA $510 million 2021E Free Cash Flow $250 million 87% of EBITDA from specialty applications Innovation is the lifeblood of a specialty company. D is t. ) R P M P P G K W R F U L A V Y G C P IF F F M C H X L H U N E M N F O E E C L K R A S C L A S H C E G R A A LB Median: 5%Median: 3% Source: Peer data per Bloomberg market data as of February 5, 2021 Avient reflects 2021 estimated revenue of $4,100M 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. Free cash flow conversion calculated as (EBITDA – Capex) / EBITDA Median: 83% Median: 76% HIGH FREE CASH FLOW CONVERSION Avient reflects 2021 estimated EBITDA of $510M and excludes one-time synergy capture CAPEX ($20M) Source: Peer data per Bloomberg market data as of February 5, 2021 85 87 86 86 81 81 59 92 88 81 79 79 79 76 76 75 73 67 67 64 60 7 A vi en t P P G K W R R P M F U L A V Y G C P IF F F M C U N V R H X L E M N B N R E C L C E A S H F O E G R A H U N K R A S C L A L B Source: Peer data per Bloomberg market data as of February 5, 2021 Total Enterprise Value / 2021E EBITDA Our current valuation implies an EBITDA multiple that is significantly below specialty formulator peers and our historic valuations, when the company had considerable exposure to more cyclical and challenging end markets.

Whether an additional line at an existing manufacturing plant, or a new facility in a growing region, we ramp-up quickly and cost-efficiently. 43 Capex / Revenue 2022E (%) AVIENT IS ASSET LIGHT Avient Specialty Formulators Other Chemical/Specialty Companies 2 3 2 2 2 3 4 3 3 5 5 7 7 8 11 Av ie nt Av ie nt P F FU L KW R PP G R PM AV Y FM C H U N H XL EC L EM N C E AS H SC L Source: Peer data per Bloomberg market data as of April 21, 2022. Source: Peer data per Bloomberg market data as of April 21, 2022 86 82 86 86 84 78 77 89 86 81 80 76 76 76 67 67 11 (12) Av ie nt Av ie nt P F FU L KW R PP G R PM AV Y FM C U N VR BN R H U N H XL EC L C E AS H EM N SC L AL B 12% 18% 16% 15% 15% 14% 14% 28% 28% 26% 25% 22% 21% 19% 16% 12% 9% 9% Av ie nt T od ay Av ie nt P F AV Y PP G KW R FU L R PM C E AL B FM C AS H EC L EM N H XL H U N SC L BN R U N VR Median: 21%Median: 15% 2022 EBITDA MARGINS VS. Financials are pro forma for the acquisition of Dyneema® and potential divestiture of Distribution Avient Specialty Formulators Other Specialty / Chemical Companies 45 Source: Peer data per Bloomberg market data as of April 21, 2022 Total Enterprise Value / NTM EBITDA With the Dyneema and Clariant Color business acquisition and divestment of the PP&S business, along with the proposed sale of our Distribution business, our exposure is now concentrated in less-cyclical and high-growth markets.

Wire & cable manufacturer WIRE & CABLE MANUFACTURER A E R O N A U T I C D A T A T R A N S M I S S I O N C A B L E S • Permanent contrast marking meeting aerospace industry standards SAE AS4373F and EN-3475-706 • Benign marking that, compared to infrared (IR) laser marking, will not damage the jacket surface • Elevated temperature performance in corrosive environments, maintaining dielectric properties under continuous service • No vital optical fiber or data transmission cable interference • Demonstrated fluorinated ethylene propylene (FEP) application expertise incorporating laser marks • Provided formulation expertise in PTFE alternatives • Delivered a high-quality product with no clumping during the extrusion process • Offered a proven array of specific aeronautic colors • Provided commercial, technical, and operational support KEY REQUIREMENTS APPEARANCE + PERFORMANCE WHY AVIENT?

We are Avient. 4 BETTER TOGETHER: POLYONE AND CLARIANT MASTERBATCH Key Data 2020 PF Sales (1) $3.7 billion 2020 PF EBITDA (1) $425 million ($500M w/synergies) Free Cash Flow $240 million (1) Estimated Pro forma for the acquisition of the Clariant Masterbatch business 87% of EBITDA from specialty applications U.S. & Canada 49% Europe 25% Asia 17% Latin America 9% SEGMENT, END MARKET AND GEOGRAPHY 5 GEOGRAPHY REVENUESEGMENT FINANCIALS Consumer 23% Packaging 21%Industrial 15% Wire & Cable 7% Building & Construction 6% Electrical & Electronics 4% END MARKET REVENUE Transportation 9% Healthcare 15% All data reflects 2020 estimate and Pro forma for acquisition of the Clariant Masterbatch business. (1) The total company sales and EBITDA of $3,650M and $425M, respectively, include intercompany sales eliminations and corporate costs $2,000M $310M $685M $115M $1,050M $65M Sales EBITDA Distribution Specialty Engineered Materials Color Additives and Inks $425M$3,650M (1) Innovation is the lifeblood of a specialty company. It’s why we win. 11 474 644 924 107 147 208 467 616 872 2014 2018 2020PF R&D / Technical Marketing Sales Commercial Resources + 36% + 37% + 32% + 43% + 41% + 42% Headcount figures are Pro forma for the sale of Designed Structures and Solutions (DSS) and Performance Products and Solutions (PP&S) segments and the acquisition of the Clariant Masterbatch business. 2020PF data as of August 31, 2020. 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?

D is t. ) R P M P P G K W R F U L A V Y G C P IF F F M C H X L H U N E M N F O E E C L K R A S C L A S H C E G R A A LB Median: 5%Median: 3% Source: Peer data per Bloomberg market data as of February 5, 2021 Avient reflects 2021 estimated revenue of $4,100M 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. Free cash flow conversion calculated as (EBITDA – Capex) / EBITDA Median: 83% Median: 76% HIGH FREE CASH FLOW CONVERSION Avient reflects 2021 estimated EBITDA of $510M and excludes one-time synergy capture CAPEX ($20M) Source: Peer data per Bloomberg market data as of February 5, 2021 85 87 86 86 81 81 59 92 88 81 79 79 79 76 76 75 73 67 67 64 60 7 A vi en t P P G K W R R P M F U L A V Y G C P IF F F M C U N V R H X L E M N B N R E C L C E A S H F O E G R A H U N K R A S C L A L B Source: Peer data per Bloomberg market data as of February 5, 2021 Total Enterprise Value / 2021E EBITDA Our current valuation implies an EBITDA multiple that is significantly below specialty formulator peers and our historic valuations, when the company had considerable exposure to more cyclical and challenging end markets. Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except for per share data) Senior management uses comparisons of adjusted net income from continuing operations attributable to Avient shareholders and diluted adjusted earnings per share (EPS) from continuing operations attributable to Avient shareholders, excluding special items, to assess performance and facilitate comparability of results.