X ET 220324#SR-21950 S2 X ET 220324#SR-21950 S4 STAN-TONE VCP- BLUE #3

ORANGE NYLON UV 3 X ET-22867-2 Black X HC 253786#SR-23920 White

X-HC-266276#SR27817AD GF1200 A33 HS 3 Natural X SR-28835 1010A Jet Black

X GT-13325-2A X GT-13325-1A HOT PINK #3

IMPROVED BOTTLE QUALITY +2% in neck +3% in body -12% in base 8.5g 0.5L bottle, 60% rPET Re-optimization of Polymer Weight Distribution to Improve Bottle Strength Based on commercially produced water bottles, 51,000bph Mechanical Strength Based on PTI 14.4g 0.5L water bottles, Instron testing To p Lo ad (l bs Burst Pressure Based on 8.5g, 0.5L commercially produced water bottles Bu rs t P re ss ur e (B ar REDUCED CO2 EMISSIONS 25% reduction in energy consumed during the bottle blowing process, based on a commercial process producing 8.5g 0.5L water bottles at 51,000 bph En er gy k W Reduced Energy Consumption ColorMatrix AAzure increases the heat-up rate for preforms, enabling energy reductions for the heating lamps used during the bottle blowing process.

To listen to this recording, dial 1-855-859-2056 (domestic) or 1-404-537-3406 (international) and provide conference ID number 3293155. For the same reasons, the Company is unable to address the probable significance of the unavailable information. 4 Investor Relations Contact: Giuseppe (Joe) Di Salvo Vice President, Treasurer and Investor Relations +1 440-930-1921 giuseppe.disalvo@avient.com Media Contact: Kyle G. See Attachment 3 for a definition and summary of special items.

STAN-TONE MB- PINK 9/3 X HC 134121#SR-13030 Red X HC 134121#SR-13031 Grey

MEVOPUR Chemical Foaming Agents Application Bulletin_JP_1.18-1 MEVOPUR™ CFA (化学発泡剤) 医療機器・医薬品包装用 * 原材料はQbD（Quality by Design）原則で選定し、リスク評価を 行っています。 1)30日以上、人体組織または体液に暴露すること。 3)生殖器用インプラントまたは避妊具、または (4)人間の生命を支え、維持する永久的（30日以上）移植された医療機器の重要な構成要素。