It was first commercially used in the 1970’s as a replacement for steel in racing tires. Abrasion Resistance Yarn on Yarn Abrasion Ultraviolet (UV) Resistance Flame Resistance Chemical Resistance (Acid) Chemical Resistance (Alkali) Chemical Resistance (Organic Solvent) P O X P P P P 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.

PRODUCT OVERVIEW & SELECTION GUIDE INTRODUCING GRIDCORE™ COMPOSITE UTILITY POLES FOR ELECTRIC POWER DISTRIBUTION GridCore™ Composite Utility poles from Avient are engineered to enhance grid resilience as a superior alternative to wood, steel, or concrete electric distribution poles and structures. GridCore FRP Pole Southern Yellow Pine Equivalent Wood Pole Nominal Fiber Stress, F (psi) 45,000 8,000 NESC constructiona Grade B Strength factor, ɸa 1.0 0.65 Modulus of Elasticity, Eb (106 psi) 5.00 2.13 Estimated Density (lb/ft3) 120 65 DESIGN PARAMETERS a Per NESC Table 261-1 b Wood data are per ANSI O5.1-2022 Table 1. FRP data are from tests--nominal fiber stress is at 5% LEL; modulus of elasticity is at mean.

We are better together through: Keeping Safety First — PolyOne and Clariant are both ACC Responsible Care® companies, and nothing is more important than the health, safety and well-being of our people. D is t. ) K W R R P M P P G A V Y F U L G C P IF F H X L F M C F O E H U N E C L K R A E M N A S H C E S C L G R A A L B Median: 5%Median: 3% Source: Peer data per Bloomberg market data as of April 27, 2021 Avient reflects 2021 estimated revenue of $4,300M 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: 84% Median: 77% H I G H F R E E C A S H F L OW C O N V E R S I O N Avient reflects 2021 estimated EBITDA of $560M and excludes one-time synergy capture CAPEX ($20M) Source: Peer data per Bloomberg market data as of April 27, 2021 87 89 87 86 82 81 76 88 87 84 82 81 78 77 77 77 76 73 70 69 50 19 A vi e n t K W R P P G R P M A V Y F U L G C P F M C IF F H X L U N V R E C L A S H C E B N R F O E E M N G R A H U N K R A S C L A L B Source: Peer data per Bloomberg market data as of April 27, 2021 Total Enterprise Value / 2021E EBITDA Our current valuation with updated guidance implies an EBITDA multiple that is below specialty formulator peers and the majority of our chemical peers.

Environmental, Health and Safety 4. MINE SAFETY DISCLOSURES PART II ITEM 5. SELECTED FINANCIAL DATA ITEM 7.

MINE SAFETY DISCLOSURES Not applicable. Environmental, Health and Safety 4. SELECTED FINANCIAL DATA ITEM 7.

SAFETY & HEALTH POLICY Avient Corporation believes that safety and health are the highest corporate priority. As a member of the American Chemistry Council, we have adopted Responsible Care® Guiding Principles and the Process Safety Management Practices to continuously guide our efforts to improve safety performance. Our practices reinforce these imperatives, and our commitment to excellence in safety and health is absolute.

Operating Income $3,783 $4,100 2020PF 2021E Adjusted EPS (1) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition Previous Guidance Current Guidance $3,783 $4,300 2020PF 2021E $308 $360 2020PF 2021E $308 $410 2020PF 2021E $1.93 $2.40 2020PF 2021E $1.93 $2.80 2020PF 2021E (1) (1)(1) (1)(1) (1) (in millions) (in millions) 12 BALANCE SHEET • Deleveraging to 1.9x net debt to adjusted EBITDA by the end of 2021 • Driven by record adjusted EBITDA performance and strong free cash flow generation from asset light business • Future cash deployment: M&A, opportunistic share repurchases and balance sheet / continued leverage reduction 3.5x 2.7x 1.9x 2019PF 2020PF 2021E Net Debt / Adjusted EBITDA (1) (1) ($ in m illions) 2021E Adjusted EBITDA 560$ Free Cash Flow 275$ Total Debt 1,860 Less: Cash (800) Net Debt 1,060$ 2021E Net Debt / Adjusted EBITDA 1.9x (1) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition S U S TA I NA B I L I T Y • Most recent Sustainability report substantially expanded disclosure on key environmental and social topics D is t. ) K W R R P M P P G A V Y F U L G C P IF F H X L F M C F O E H U N E C L K R A E M N A S H C E S C L G R A A L B Median: 5%Median: 3% Source: Peer data per Bloomberg market data as of April 27, 2021 Avient reflects 2021 estimated revenue of $4,300M 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: 84% Median: 77% H I G H F R E E C A S H F L OW C O N V E R S I O N Avient reflects 2021 estimated EBITDA of $560M and excludes one-time synergy capture CAPEX ($20M) Source: Peer data per Bloomberg market data as of April 27, 2021 87 89 87 86 82 81 76 88 87 84 82 81 78 77 77 77 76 73 70 69 50 19 A vi e n t K W R P P G R P M A V Y F U L G C P F M C IF F H X L U N V R E C L A S H C E B N R F O E E M N G R A H U N K R A S C L A L B Source: Peer data per Bloomberg market data as of April 27, 2021 Total Enterprise Value / 2021E EBITDA Our current valuation with updated guidance implies an EBITDA multiple that is below specialty formulator peers and the majority of our chemical peers.

These braces, traditionally made with steel, were initially fabricated from aluminum for a solid weight savings of 3 kg per vehicle over steel versions. Boosting rPET Quality and Safety in Packaging Boosting rPET Quality and Safety in Packaging

Animal Testing Policy AVIENT CORPORATION AND SUBSIDIARIES In the normal course of doing business, Avient is required to conduct testing to ensure the safety of its products. Avient is committed to replacing, reducing and refining the use of animal testing by applying the following practices: • Replace – Before any vertebrae testing, Avient will investigate the use of alternative methods and approaches, including use of data that is already publically available, computational toxicology models and read-across to available data for similar substances Reduce – Avient will only consider animal testing if it is a legal requirement, or to ensure the safety of our products, when no suitable alternatives are available.

KEY CHARACTERISTICS • Formulated with 25–100% recycled resin from PIR & PCR sources • Reduces waste and supports the circular economy • Achieves equivalent performance to standard polyolefin formulations • Can be recycled at end of life • Provides good stiffness, durability, impact resistance and UV stability • Enables customized performance characteristics depending on application need MARKETS AND APPLICATIONS Maxxam REC Polyolefins are suitable for use across many industries and applications where traditional polyolefin materials are used, including: • Transportation - HVAC systems, engine guards, battery housings, flame retardant applications • Industrial - Structural parts, furniture • Consumer - Household appliances, personal care items, packaging, office supplies, food contact applications • Electrical and Electronic – Housings, buttons, junction boxes SUSTAINABILITY BENEFITS • Formulated with 25–100% recycled resin from PIR and/or PCR sources • Reduces waste and supports the circular economy • Reduces carbon footprint • Can be recycled at end of life PRODUCT BULLETIN CHARACTERISTICS UNITS Maxxam REC RS5200-5029 C BLACK X2 Maxxam REC MX5200-5036 HS I BLACK Maxxam REC MX5200-5037 RS HS I BLACK Maxxam REC MX5200-5038 RS HS I BLACK Maxxam REC MX5200-5039 RS HS I BLACK Filler/ Reinforcement – Unfilled Unfilled 20% Mineral 40% Mineral 30% Glass Fiber Recycled Content – 95% PCR 97% PIR 75% PIR 55% PIR 65% PIR Density (ISO 1183) g/ccm 0.93 0.95 1.09 1.28 1.15 Tensile Modulus (ISO 527-1) MPa 1250 950 1500 2150 4250 Tensile Stress (ISO 527-2) MPa 25 175 10 15 50 Tensile Strain Break (ISO 527-2) % >20 >80 >30 17 4.5 Charpy Notched (ISO 179) kJ/m 3 8 5 4 11 TECHNICAL PERFORMANCE CHARACTERISTICS UNITS Maxxam REC RS5200-5026 RS NHFR BLACK 70 Maxxam REC FR H8 V2 BLACK RG 70 Maxxam REC L6 GF/30 H BLACK T RG 70 Maxxam REC MX5200-5027 RS HS BLACK RG Maxxam REC MX5200-5028 RS HS BLACK RG Maxxam REC C10 H-UV AS EP RG BLACK 70 Filler/ Reinforcement – 30% Glass Fiber Unfilled 30% Glass Fiber 30% Glass Fiber 40% Talcum Unfilled Recycled Content – 37% PIR 90% PIR 55% PIR 35% PIR 50% PIR 25% PIR Density (ISO 1183) g/ccm 1.42 0.950 1.13 1.15 1.23 1.03 Tensile Modulus (ISO 527-1) MPa 8250 1300 6100 6400 – 700 Tensile Stress (ISO 527-2) MPa 71.0 30.0 70.0 70.0 28.0 15.0 Notched Izod (ISO 180) kJ/m – 4.0 10 5.8 2.7 No Break Flame Rating @ 1.6mm thickness (UL 94) – V-0 V-2 HB HB HB HB TECHNICAL PERFORMANCE Copyright © 2023, Avient Corporation.