Maxxam™ FR formulations met stringent UL 444 standards and saved costs for a major wire & cable producer Maxxam™ FR Formulation provided flame retardent and HDPE based solution for power tool battery pack

CLEVELAND – December 9, 2024 – Avient Corporation, a premier provider of specialty and sustainable materials solutions and services, announces the addition of flame-retardant (FR) grades manufactured without intentionally added PFAS-based raw materials to its portfolio of Complēt™ PKE Long Fiber Reinforced Polyketone Thermoplastics. These glass-filled Complēt PKE FR grades are formulated without PFAS-based raw materials, providing alternatives amid growing regulatory guidelines for these chemicals.

Maxxam™ FR Injection Molding Injection molding parameters and guidelines for Maxxam FR polyolefin formulations

Maxxam™ FR Injection Molding Injection molding parameters and guidelines for Maxxam FR polyolefin formulations

OnColor™ PProTint™ Colorants for Clarified PP Maxxam™ FR Injection Molding PP Inhaler Roll Cap

Avient’s Newest Trilliant™ HC Materials Stand Up to Disinfectants Better Than Alternative FR Polymers

CLEVELAND – October 31, 2018 – At MD&M Minneapolis today, PolyOne Corporation announced that Trilliant™ HC material outperforms FR

These injection moldable TPEs can be overmolded to polypropylene (PP) and come in a natural grade that can be easily colored. More recently, with the divestiture of the PP&S segment in 2019 and the acquisition of Clariant Color in 2020, we have fundamentally repositioned our portfolio to that of a true specialty enterprise—from which we can springboard to even greater heights in the future.

STOCK PERFORMANCE PolyOne’s stock performance has significantly outpaced the S&P 500 index and the S&P Mid Cap Chemicals index. 12.31.09 12.31.10 12.31.11 12.31.12 12.31.13 12.31.14 12.31.15 Operating Income % Specialty Color, Additives & Inks Specialty Engineered Materials Designed Structures & Solutions PP&S Distribution Specialty Platform Operating Income % of Total ROIC** (after-tax) Adjusted EPS Growth 2006 “Where we were” 1.7% 1.1% — 5.5% 2.6% 6.0% 5.0% N/A 2015 “Where we are” 16.7% 14.7% 3.0% 8.3% 6.6% 65% 11.8% 25 Consecutive Quarters of YOY EPS Growth 2020 Platinum Vision 20% + 20% + 12–14% 10–12% 6.5–7.5% 80% + 15% Double Digit Expansion **ROIC is defined as TTM adjusted OI divided by the sum of average debt and equity over a 5 quarter period 500 400 300 200 100 0 P ER CE NT AG E POL S&P MID CAP CHEMICALS S&P 500 ANNUAL REPORT 2015 SPECIALT Y DISTRIBUTION PP&S JV’S % O F OP ER AT IN G IN CO M E 2005 2007 2009 2011 2013 2015 OPERATING INCOME MIX SHIFT*^ 100 80 60 40 20 0 100+100+100+100+10050+77+80+97+100+10010+32+53+82+82+841+18+34+51+61+64 *Operating Income excludes Corporate charges and special items ^2005–2009 has not been restated for subsequent changes in accounting principles or discontinued operations +5+33+41+50+65+90+98 2.00 1.80 1.60 1.40 1.20 1.00 .80 .60 .40 .20 0 2009 2010 2011 2012 2013 2014 2015 ADJUSTED EARNINGS PER SHARE ◊† U.

Following the divestment of PP&S, our specialty mix will be stronger than at any point in our company's history.