Strategically positioned unidirectional tape inserts overmolded with Complēt™ long glass fiber reinforced nylon composite provide fatigue endurance to allow part reduction for office chair

Nymax™ REC Glass-Filled Formulations provide mechanical performance and stable raw material supply for utility box stiffeners

Strategically positioned unidirectional tape inserts overmolded with Complēt™ long glass fiber reinforced nylon composite provide fatigue endurance to allow part reduction for office chair

For other species shown in the table above, contact Avient for suggestions. 2 FRP pole sizes are selected based on allowable Class loads specified in NESC Table 261-1. For load classes outside of those listed, please contact Avient. 4 Horizontal load, 2ft from the pole tip. Contact Avient for details.

Antistatic concentrates help reduce charge-related dust accumulation for increased visual appeal ; they can also improve the dosing accuracy of powder substances

Once a specific resin has been identified for your needs, you can check in the table whether Avient has already masterbatches listed for the corresponding supplier and under which conditions of use (minimum thickness, exact rating and maximum let-down ratio). If the required resin is not listed under Avient concentrates, please contact an Avient representative to discuss more options.

$0.30 $0.52 2019 PF 2020 Q4 2020 ORGANIC PERFORMANCE 3 Sales $922 $997 2019 PF 2020 +8% Adjusted Operating Income Adjusted EPS $58 $80 2019 PF 2020 +38% +73% • Record 4th quarter sales, adjusted operating income and adjusted EPS performance • All segments delivered year-over-year sales and operating income growth, led by consumer and healthcare end markets • Clariant Masterbatch integration synergy capture ahead of schedule: $5 million realized in 2020 ($ in millions except EPS) (1) (1) (1) (1) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition Q4 2020 SEGMENT PERFORMANCE 4 Sales Operating Income $100 $100 $100 $922 $100 $100 $100 $997 Distribution CAI SEM Total 2019 2020 $178 $272 $490 $191 $305 $526 SEM Distribution CAI 2019PF 2020 +8% +7% +7% +12% $5 $5 $5 $58 $5 $5 $5 $80 Avient CAI SEM Total 2019 PF 2020 $17 $19 $40 $18 $30 $58 Distribution SEM CAI 2019PF 2020 +38% +45% +58% +6% (3) (3) ($ in millions) (1) (2) (1) Total company sales include intercompany sales eliminations (2) Total company reflects adjusted operating income and includes corporate costs (3) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition 2020 HIGHLIGHTS 5 • Completed transformational Clariant Masterbatch acquisition and created new brand name Avient • Increased pro forma adjusted EPS 11% from $1.74 to $1.93 as an essential supplier during the pandemic and due to growth in demand for consumer applications • Specialty Engineered Materials delivered record operating income on gains from composites • Achieved record free cash flow, increased dividend for 10th year in a row and delevered from 3.5x to 2.7x net debt to pro forma adjusted EBITDA • Culture is everything: Certified as a Great Place to Work® $133 $150 2019PF 2020PF 10% 23%8% 21% 4% 15% 2006 2020PF Healthcare Consumer Packaging Avient Portfolio Transformation 22% 59% CLARIANT MASTERBATCH: TRANSFORMATIONAL ACQUISITION 6 Clariant MB EBITDA Growth Purchase Price Multiple 10.8 9.6 6.5 2019PF 2020PF 2020PF w/ Full Synergies x x x • Acquisition of Clariant Masterbatch significantly expands presence in healthcare, packaging and consumer end markets • Strength of portfolio – 13% EBITDA growth as an essential supplier in COVID response and recovery • Acquisition completed on July 1, 2020 for $1.4 billion. That’s Avient. 21,000+ CUSTOMERS >75% ARE CUSTOMIZED SOLUTIONS TO UNIQUE SPECIFICATIONS of sales 18 AV I E N T ’ S VA LUE C R E AT I O N L E V E R S 19 Exposure to high growth end markets Investment in commercial resources and innovation Strong free cash flow generation / capital deployment Clariant Masterbatch synergies COVID recovery Re-Rating: Current share price valuation Avient is poised for near-term and long-term shareholder value creation. 20 • 8% increase in sales drives 24% increase in adjusted EPS to $2.40 ($2.70 excluding step-up depreciation and amortization) as a result of continued growth in sustainable solutions and synergy capture • Clariant synergy capture ahead of schedule: $35M of savings planned from Clariant Masterbatch acquisition • Adjusted EBITDA of $510M – highest level in company history • Deleveraging ahead of schedule – 2.1x net debt to adjusted EBITDA by the end of 2021 2021 PROJECTIONS PEER COMPARISONS 21 As a specialty formulator, we don’t require significant capital investment, as compared to the base resin raw material suppliers we purchase from.

KEY CHARACTERISTICS • Manufactured at four ISO 13485 certified sites, providing global consistency and increased security of supply • Documented change control beyond CAS number, reducing risk of change • Available as additive concentrates, ready-to-use additive formulations or ready-to-use additive/ colorant formulations for different polymers REGULATORY SUPPORT • Raw materials tested to: - ISO 10993-1 and USP biological evaluation - European Pharmacopeia 3.1.3/3.1.5 (polyolefin) - USP (polyethylene) - ICH Q3D elemental impurities • Registered Drug Master File (Type III) and/or Device Master File • Food contact established with FDA/EU* APPLICATION BULLETIN * FDA/EU compliance information available upon request; exceptions may occur Healthcare use limitations apply—see below. For more detailed information on Mevopur uses and restrictions see www.avient.com/healthcare-use-limitations-mevopur-products or contact your Avient sales representative. 1.844.4AVIENT www.avient.com

Recommended use: all air filtration applications SOFT TOUCH Cesa™ soft touch solutions provide a soft touch feel to nonwoven fabrics which come into contact with skin. Recommended use: nonwovens in contact with skin (e.g., diapers, hygienic pads, wipes, medical gowns) HYDROPHOBIC Cesa™ hydrophobic additives impart durable hydrophobic properties to nonwovens that require water and liquid repellency.

Regulatory information Ultimate UV is suitable for use under EU and FDA food contact legislation. ColorMatrix™ Ultimate™ UV390 ColorMatrix™ Ultimate™ UV390R UV Protection Up to 390 nm Up to 390 nm User Convertor Convertor Color Colorless Colorless Recycling Accreditation EPBP APR EPBP* APR* Lightweighting ✘ ✔ Productivity Saving ✘ ✔ * Individual components are EPBP approved Product Type CC Code EU FDA Mercosur China ColorMatrix™ Ultimate™ UV 390 CC01055275 • • • • ColorMatrixw Ultimate™ UV 390R CC10348919 • • • – Food contact uses are subject to regulatory limitations and use conditions COLORMATRIX™ ULTIMATE™ UV TECHNICAL AND REGULATORY INFORMATION