% Pigment Specific Gravity Color Index Lightfastness WHITE 10PEP03 Titanium Dioxide, Rutile 60 2.06 PW-6 I/O YELLOW 12PEP01 Diarylide AAOT GS 20 1.24 PY-14 I 12PEP03 Diarylide HR RS 25 1.23 PY-83 I/O (Mass) 13PEP02 Isoindolinone RS 25 1.31 PY-110 I/O 13PEP03 Benzimidazolone GS 25 1.25 PY-151 I/O (Mass) 81PEP01 Iron Oxide 60 2.07 PY-42 I/O ORANGE 15PEP03 Benzimidazolone RS 25 1.27 PO-36 I/O RED 23PEP04 Quinacridone BS 25 1.24 PV-19 I/O 23PEP06 Specialty Naphthol BS 25 1.23 PR-170 I/O (Mass) C 25PEP01 Red 2B, Ca Salt BS 17 1.26 PR-48:2 I/O (Mass) 28PEP01 Red 2B, Ba Salt YS 25 1.32 PR48:1 I/O (Mass) 82PEP01 Iron Oxide, Light YS 27 1.5 PR-101 I/O 82PEP02 Iron Oxide, Light BS 60 2.2 PR-101 I/O 82PEP04 Iron Oxide, Light VYS 60 2.2 PR-101 I/O 82PEP05 Iron Oxide, Dark VBS 60 2.21 PR-101 I/O BLUE 40PEP01 Phthalocyanine GS 25 1.27 PB-15:3 I/O 40PEP05 Phthalocyanine RS 25 1.27 PB-15 I/O 42PEP02 Ultramarine 35 1.44 PB-29 I/O 49PEP01 Cobalt 31 1.54 PB-28 I/O GREEN 50PEP01 Phthalocyanine BS 16 1.28 PG-7 I/O 50PEP03 Phthalocyanine YS 16 1.28 PG-7 I/O 59PEP02 Chromium Oxide 70 2.6 PG-17 I/O VIOLET/MAGENTA 24PEP03 Quinacridone Violet 20 1.24 PV-19 I/O 24PEP04 Ultramarine Violet 50 1.69 PV-15 I/O 24PEP05 Quinacridone Magenta 20 1.24 PR-122 I/O 24PEP06 Benzimidazolone 20 1.23 PV-32 I/O 24PEP07 Carbazole Violet 13 1.22 PV-23 I/O BROWN/TAN 83PEP01 Iron Oxide, Light 34 1.6 PBr-6 I/O 83PEP02 Iron Oxide, Dark 29 1.51 PBr-6 I/O BLACK 90PEP01 Furnace - High Jet 24 1.3 PBk-7 I/O 90PEP04 Furnace - Medium 17 1.27 PBk-7 I/O 90PEP05 Iron Oxide 33 1.58 PBk-11 I/O POLYESTER URETHANE PASTE COLORANTS (PEP) Stan-Tone Code Pigment Type Approx. % Pigment Specific Gravity Color Index Lightfastness WHITE 10ET03 Titanium Dioxide, Rutile 56 1.74 PW-6 I/O YELLOW 12ET01 Diarylide AAOT GS 40 1.15 PY-14 I 12ET03 Diarylide HR RS 20 1.07 PY-83 I/O (Mass) 13ET02 Isoindolinone RS 20 1.11 PY-110 I/O 13ET03 Benzimidazolone GS 20 1.08 PY-151 I/O (Mass) 81ET01 Iron Oxide 60 1.84 PY-42 I/O ORANGE 15ET03 Benzimidazolone RS 25 1.11 PO-36 I/O RED 20ET01 Red Lake C YS 30 1.16 PR-53 I 22ET01 Lithol Rubine BS 30 1.17 PR-57:1 I 23ET04 Quinacridone BS 15 1.05 PV-19 I/O 23ET06 Specialty Naphthol BS 30 1.09 PR-170 I/O (Mass) C 25ET01 Red 2B, Ca Salt BS 29 1.15 PR-48:2 I/O (Mass) 28ET01 Red 2B, Ba Salt YS 30 1.18 PR-48:1 I/O (Mass) 82ET01 Iron Oxide, Light BS 60 1.94 PR-101 I/O 82ET02 Iron Oxide, Dark VBS 60 1.95 PR-101 I/O 82ET04 Iron Oxide, Light VYS 60 1.94 PR-101 I/O BLUE 40ET01 Phthalocyanine GS 25 1.11 PB-15:3 I/O 40ET05 Phthalocyanine RS 20 1.09 PB-15 I/O 42ET02 Ultramarine 55 1.46 PB-29 I/O 49ET01 Cobalt 65 2.02 PB-28 I/O GREEN 50ET01 Phthalocyanine BS 30 1.2 PG-7 I/O 50ET03 Phthalocyanine YS 25 1.16 PG-7 I/O 59ET01 Chromium Oxide 65 2.12 PG-17 I/O VIOLET/MAGENTA 24ET03 Quinacridone Violet 20 1.08 PV-19 I/O 24ET04 Ultramarine Violet 60 1.66 PV-15 I/O 24ET05 Quinacridone Magenta 20 1.08 PR-122 I/O 24ET06 Benzimidazolone 25 1.08 PV-32 I/O 24ET07 Carbazole Violet 13 1.05 PV-23 I/O BROWN/TAN 83ET01 Iron Oxide, Light 64 2.02 PBr-6 I/O 83ET02 Iron Oxide, Dark 60 1.9 PBr-6 I/O BLACK 90ET04 Furnace - Medium 22 1.12 PBk-7 I/O 90ET05 Iron Oxide 60 1.9 PBk-11 I/O POLYETHER URETHANE PASTE COLORANTS (ET) PEP/ET RS = Red Shade YS = Yellow Shade VYS = Very Yellow Shade BS = Blue Shade VBS = Very Blue Shade GS = Green Shade HR = Heat-Resistant LIGHTFASTNESS I = Indoor Only I/O = Indoor or Outdoor Mass = Outdoor Masstone Application Only C = Some Caution Advised www.avient.com Copyright © 2020, Avient Corporation.

INDUSTRY BULLETIN STANDARD UNITS ONFLEX LO 7120-45N Volatile Organic Compounds VDA 278 ug/g(ppm) 41 Fogging VDA 278 ug/g(ppm) 521 Odor • Control • Dry conditions • Wet conditions SAE J1351 (15) 1-10 Scale 1 2 1 Compression Set (23°C) • 22 hours • 70 hours ASTM D395 % 14.4 14.6 Capillary Viscosity • 1341/s • 11170/s ASTM D3835 Pa*s 35 7 HVAC SYSTEMS OnFlex™ LO • Features: low VOC/FOG, low odor, good compression set, easy processing, overmolds to polypropylene • Example applications: seals and flaps in heating, ventilation and air conditioning systems CHARACTERISTICS ONFLEX ™ LO ONFLEX™ AF TPE GENERAL PURPOSE TPV TPO Volatile Organic Compounds (VDA 278) Very Low Moderate Moderate Moderate Very Low Fogging (VDA 278 & DIN 75201) Very Low Moderate Moderate High Very Low Odor (VDA 270 Requirement ≤3.0) ≤3.0 ≤3.0 >3 >3 ≤3.0 Gloss Level Low Low Low Very Low High Tactile Feel Grippy Grippy Grippy Grippy Waxy Pre-Drying Required No No No Yes No Raw Material Costs $$ $$ $$ $$$ $ Compression Set @ RT Good Good Good Excellent N/A Compression Set @ ≥70°C Moderate Moderate Moderate Good N/A UV Resistance Good Excellent Good Good Good Weatherability Good Excellent Good Good Good Hardness Range Low to High Low to High Low to High Low to High High Density (g/ml) 1.15 0.99 0.90–1.20 0.95–0.98 0.90–1.20 GENERAL CHARACTERISTICS COMPARING TPE, TPV, TPO Grades shown on both pages are representative of solutions manufactured in North America, more grades available globally.

Jedes dieser Gesetze verfolgt einen anderen Ansatz und zusammen bilden sie den Grundpfeiler der US-Kartellgesetze sowie die Grundlage vieler globaler Gesetze. 1. Potenzielle Problembereiche in Bezug auf das Kartellrecht 1. subject= http:// avient.ethicspoint.com http://www.Avient.com/company/policies-and-governance/ethics-hotline http://www.Avient.com/company/policies-and-governance/ethics-hotline 1.

Var och en angriper saken på sitt eget sätt och allesammans utgör de hörnstenen i amerikansk antitrustlagstiftning och grunden till flera globala lagar. 1. Jourlinje för etikfrågor https://www.Avient.com/company/policies-and- governance/ethics-hotline Jourlinjen för etikfrågor per telefon 1-877-228-5410 6 Innehåll 2021 års reviderade antitrustpolicy mailto:ethics.officer%40avient.com? subject= http://avient.ethicspoint.com http://www.Avient.com/company/policies-and-governance/ethics-hotline http://www.Avient.com/company/policies-and-governance/ethics-hotline 1.

AVNT-2023.09.30-News Release 1 NEWS RELEASE FOR IMMEDIATE RELEASE Avient Announces Third Quarter 2023 Results • GAAP EPS of $0.06 includes special items primarily related to environmental costs and amortization expense GAAP EPS includes $0.35 of special items (see Attachment 3) and $0.16 of intangible amortization expense (see Attachment 1). You are advised to consult any further disclosures we make on related subjects in our reports on Form 10-Q, 8-K and 10-K that we provide to the Securities and Exchange Commission. 6 Investor Relations Contact: Giuseppe (Joe) Di Salvo Vice President, Treasurer and Investor Relations Avient Corporation +1 440-930-1921 giuseppe.disalvo@avient.com Media Contact: Kyle G.

GAAP EPS includes $0.21 of special items (see Attachment 3) and $0.18 of intangible amortization expense (see Attachment 1). You are advised to consult any further disclosures we make on related subjects in our reports on Form 10-Q, 8-K and 10-K that we provide to the Securities and Exchange Commission. 6 Investor Relations Contact: Giuseppe (Joe) Di Salvo Vice President, Treasurer and Investor Relations Avient Corporation +1 440-930-1921 giuseppe.disalvo@avient.com Media Contact: Kyle G. Rose Vice President, Marketing and Communications Avient Corporation +1 440-930-3162 kyle.rose@avient.com mailto:giuseppe.disalvo@avient.com mailto:kyle.rose@avient.com 7 Attachment 1 Avient Corporation Summary of Condensed Consolidated Statements of Income (Unaudited) (In millions, except per share data) Three Months Ended June 30, Six Months Ended June 30, 2023 2022 2023 2022 Sales $ 824.4 $ 891.0 $ 1,670.1 $ 1,783.2 Operating Income 62.3 100.1 119.4 202.3 Net income from continuing operations attributable to Avient shareholders 22.1 62.8 42.9 127.2 Basic earnings per share from continuing operations attributable to Avient shareholders $ 0.24 $ 0.69 $ 0.47 $ 1.39 Diluted earnings per share from continuing operations attributable to Avient shareholders $ 0.24 $ 0.68 $ 0.47 $ 1.38 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.

This product selection guide provides detailed information to help you select the Maxxam product that’s right for your application. 4 INJECTION MOLDING POLYPROPYLENE Product Code - - - PP5113 B44 F5134T2-4 PP5130 B63 F5134T4-1 Filler Percentage - % - 13 20 30 40 Tensile Strength Yield psi ASTM D638 5000 4800 4600 4500 MPa ISO 527 33 33 32 31 Tensile Elongation Yield % ASTM D638 6 4 3 2 ISO 527 Break % ASTM D638 60 30 15 10 ISO 527 Flexural Modulus 73°F (23°C) psi ASTM D790 300,000 360,000 400,000 460,000 MPa ISO 178 2300 2450 2900 3300 Notched Izod Impact 73°F (23°C) ft-lb/in ASTM D256 0.65 0.60 0.55 0.50 kJ/m2 ISO 180 3.50 3.3 3.00 2.75 Heat Deflection 66 psi °F ASTM D648 230 240 260 275 °C ISO 75 110 116 127 135 264 psi °F ASTM D648 130 140 150 175 °C ISO 75 54 60 66 79 Specific Gravity 73°F (23°C) - ASTM D792 0.99 1.04 1.15 1.25 ISO 1183 Linear Shrinkage Range 1/8 in wall % - 1.2–1.6 1.0–1.4 0.8–1.2 0.6–1.0 3.2 mm wall % - 1.2–1.6 1.0–1.4 0.8–1.2 0.6–1.0 Product Code - - - PP6113 A77-SM PP6120 B16-2 PP6130 B11 PP6135 B40-UV Filler Percentage - % - 13 20 30 35 Tensile Strength Yield psi ASTM D638 4350 3500 2600 3700 MPa ISO 527 30 24 18 26 Tensile Elongation Yield % ASTM D638 5 4 7 6 ISO 527 Break % ASTM D638 35 70 150 70 ISO 527 Flexural Modulus 73°F (23°C) psi ASTM D790 290,000 280,000 280,000 390,000 MPa ISO 178 2000 1950 1750 2700 Notched Izod Impact 73°F (23°C) ft-lb/in ASTM D256 0.7 2.7 4.5 0.65 kJ/m2 ISO 180 4.0 14 24 3.5 Heat Deflection 66 psi °F ASTM D648 239 215 225 250 °C ISO 75 115 102 107 123 264 psi °F ASTM D648 140 125 130 150 °C ISO 75 60 52 54 60 Specific Gravity 73°F (23°C) - ASTM D792 0.99 1.05 1.15 1.18 ISO 1183 Linear Shrinkage Range 1/8 in wall % - 1.1–1.5 .9–1.3 0.7–1.1 0.5–0.9 3.2 mm wall % - 1.1–1.5 .9–1.3 0.7–1.1 0.5–0.9 Maxxam™ Talc-Filled Copolymer Polypropylene • Scratch & mar resistant • UL approved • FDA certifiable • Natural, black or colors • High flow grades • UV stabilized • UL approved • FDA certifiable • Natural, black or colors • High flow grades • UV stabilized • Recycled content Maxxam™ Talc-Filled Homopolymer Polypropylene Offers a moderate level of impact strength and improved stiffness and heat deflection performance. PROPERTY CONDITION UNITS METHOD PRODUCT EXAMPLES 51.866.POLYONE www.polyone.com INJECTION MOLDING POLYPROPYLENE Product Code - - - PP5210A111 PP5220F A1 PP5230F B1 PP5240 A111 Filler Percentage - % - 10 20 30 40 Tensile Strength Yield psi ASTM D638 4600 4300 3900 3500 MPa ISO 527 32 30 27 24 Tensile Elongation Yield % ASTM D638 7.0 6.0 5.5 5.0 ISO 527 Break % ASTM D638 125 115 100 70 ISO 527 Flexural Modulus 73°F (23°C) psi ASTM D790 250,000 285,000 310,000 340,000 MPa ISO 180 1600 1900 2100 2300 Notched Izod Impact 73°F (23°C) ft-lb/in ASTM D256 0.70 0.70 0.70 0.70 kJ/m2 ISO 180 3.85 3.85 3.85 3.85 Heat Deflection 66 psi °F ASTM D648 190 210 225 240 °C ISO 75 88 99 107 116 264 psi °F ASTM D648 120 125 130 133 °C ISO 75 49 52 54 56 Specific Gravity 73°F (23°C) - ASTM D792 0.96 1.04 1.15 1.25 Linear Shrinkage Range 1/8 in wall % - 1.3–1.7 1.1–1.5 0.9–1.3 0.7–1.1 3.2 mm wall % - 1.3–1.7 1.1–1.5 0.9–1.3 0.7–1.1 Product Code - - - PP6210 A11 PP7220 A614 PP6230F A1 PP6240 A44 Filler Percentage - % - 10 20 30 40 Tensile Strength Yield psi ASTM D638 3200 3400 2800 2550 MPa ISO 527 22 24 19 18 Tensile Elongation Yield % ASTM D638 14.0 10.0 8.0 7.0 ISO 527 Break % ASTM D638 >400 >400 >400 200 ISO 527 Flexural Modulus 73°F (23°C) psi ASTM D790 160,000 185,000 250,000 225,000 MPa ISO 178 1100 1300 1750 1550 Notched Izod Impact 73°F (23°C) ft-lb/in ASTM D256 >10.0 >10.0 8 8.0 kJ/m2 ISO 180 55.0 55.0 44.0 14.0 Heat Deflection 66 psi °F ASTM D648 160 170 198 200 °C ISO 75 71 77 92 93 264 psi °F ASTM D648 100 105 108 112 °C ISO 75 38 41 42 44 Specific Gravity 73°F (23°C) - ASTM D792 0.96 1.04 1.15 1.25 ISO 1183 Linear Shrinkage Range 1/8 in wall % - 1.2–1.6 1.0–1.4 0.8–1.2 0.6–1.0 3.2 mm wall % - 1.2–1.6 1.0–1.4 0.8–1.2 0.6–1.0 Maxxam™ Calcium Carbonate Filled Homopolymer Polypropylene Maxxam™ Calcium Carbonate Filled Copolymer Polypropylene Offers improved stiffness over unfilled materials as well as substantial improvement in drop weight impact and notched izod impact. Offers a high level of stiffness and heat resistance as well as excellent impact resistance • Chemically coupled • UL approved • FDA certifiable • Natural, black or colors • High flow grades • Recycled content • Chemically coupled • UL approved • FDA certifiable • Natural, black or colors • High flow grades • UV stabilized INJECTION MOLDING POLYPROPYLENE Product Code - - - PP5410 B1 PP5420 B1 PP5430 B5 PP5440 B1 Reinforcement % - - - 10 20 30 40 Specific Gravity 73°F (23°C) - ASTM D792 0.96 1.05 1.14 1.23 ISO 1183 Tensile Strength Yield psi ASTM D638 8000 10000 11500 13000 MPa ISO 527 55 69 79 90 Tensile Elongation Break % ASTM D638 8 2 2 2 ISO 527 Flexural Modulus 73°F (23°C) psi ASTM D790 525,000 795,000 850,000 1,000,000 MPa ISO 178 3600 5450 5800 7550 Notched Izod Impact 73°F (23°C) ft-lb/in ASTM D256 1.10 1.30 1.50 1.60 kJ/m2 ISO 180 6.00 7.25 8.25 8.50 Heat Deflection 66 psi °F ASTM D648 280 305 310 315 °C ISO 75 138 152 154 157 264 psi °F ASTM D648 250 280 290 300 °C ISO 75 121 138 143 149 Linear Shrinkage Range 1/8 in wall % - 0.4–0.7 0.3–0.6 0.3–0.6 0.2–0.5 3.2 mm wall % - 0.4–0.7 0.3–0.6 0.3–0.6 0.2–0.5 Product Code - - - PP7410 A241 PP7420 B77 PP6430 A206-UV PP6435 B1 Reinforcement % - - - 10 20 30 35 Specific Gravity Yield - ASTM D792 0.98 1.05 1.14 1.17 ISO 1183 Tensile Strength Yield psi ASTM D638 5300 9200 9000 13300 MPa ISO 527 37 64 62 92 Tensile Elongation Break % ASTM D638 8 4 4 4 ISO 527 Flexural Modulus 73°F (23°C) psi ASTM D790 240,000 420,000 695,000 810,000 MPa ISO 178 1650 2900 4800 5600 Notched Izod Impact 73°F (23°C) ft-lb/in ASTM D256 5.0 1.60 1.60 2.50 kJ/m2 ISO 180 27.5 9.00 9.00 14.00 Heat Deflection 66 psi °F ASTM D648 298 313 297 300 °C ISO 75 144 156 152 149 264 psi °F ASTM D648 210 272 265 288 °C ISO 75 92 133 128 142 Linear Shrinkage Range 1/8 in wall % - 0.4–0.7 0.3–0.6 0.3–0.6 0.2–0.5 3.2 mm wall % - 0.4–0.7 0.3–0.6 0.3–0.6 0.2–0.5 Maxxam™ Glass Fiber Reinforced Homopolymer Polypropylene PROPERTY CONDITION UNITS METHOD PRODUCT EXAMPLES Maxxam™ Glass Fiber Reinforced Copolymer Polypropylene 71.866.POLYONE www.polyone.com INJECTION MOLDING POLYPROPYLENE Product Code - - - PP5312 B1 PP5320 A285 PP5330 A123 PP5340 B2 Reinforcement % - % - 12 20 30 40 Specific Gravity 73°F (23°C) - ASTM D792 0.99 1.05 1.15 1.24 ISO 1183 Tensile Strength Yield psi ASTM D638 4800 4400 3600 4900 MPa ISO 527 31 30 32 38 Tensile Elongation Yield % ASTM D638 5 4 4 3 ISO 527 Break % ASTM D638 20 15 20 10 ISO 527 Flexural Modulus 73°F (23°C) psi ASTM D790 285,000 380,000 355,000 460,000 MPa ISO 178 1950 2600 2450 3200 Notched Izod Impact 73°F (23°C) ft-lb/in ASTM D256 0.6 0.55 1.5 0.60 kJ/m2 ISO 180 3.30 3.00 8.25 3.30 Heat Deflection 66 psi °F ASTM D648 235 255 230 280 °C ISO 75 113 124 110 138 264 psi °F ASTM D648 135 156 150 180 °C ISO 75 57 69 66 82 Linear Shrinkage Range 1/8 in wall % - 1.4–1.9 1.0–1.4 1.1–1.5 0.6–1.0 3.2 mm wall % - 1.4–1.9 1.0–1.4 1.1–1.5 0.6–1.0 Offers improved stiffness and heat deflection as well as outstanding dimensional stability

The company noted that first quarter 2024 GAAP EPS includes $0.06 of special items (see Attachment 3) and $0.16 of intangible amortization expense (see Attachment 1). You are advised to consult any further disclosures we make on related subjects in our reports on Form 10-Q, 8-K and 10-K that we provide to the Securities and Exchange Commission. 5 Investor Relations Contact: Giuseppe (Joe) Di Salvo Vice President, Treasurer and Investor Relations Avient Corporation +1 440-930-1921 giuseppe.disalvo@avient.com Media Contact: Kyle G. Rose Vice President, Marketing and Communications Avient Corporation +1 440-930-3162 kyle.rose@avient.com mailto:giuseppe.disalvo@avient.com mailto:kyle.rose@avient.com 6 Attachment 1 Avient Corporation Summary of Condensed Consolidated Statements of Income (Unaudited) (In millions, except per share data) Three Months Ended March 31, 2024 2023 Sales $ 829.0 $ 845.7 Operating income 94.0 57.1 Net income from continuing operations attributable to Avient shareholders 49.4 20.8 Diluted earnings per share from continuing operations attributable to Avient shareholders $ 0.54 $ 0.23 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.

The company noted that second quarter 2024 GAAP EPS includes $0.24 of special items (see Attachment 3) and $0.16 of intangible amortization expense (see Attachment 1). We also generated 4% and 1% organic sales growth in EMEA and Asia, respectively. You are advised to consult any further disclosures we make on related subjects in our reports on Form 10-Q, 8-K and 10-K that we provide to the Securities and Exchange Commission. 6 Investor Relations Contact: Giuseppe (Joe) Di Salvo Vice President, Treasurer and Investor Relations Avient Corporation +1 440-930-1921 giuseppe.disalvo@avient.com Media Contact: Kyle G.

Cada uma tem uma abordagem diferente e todas abrangem a base das leis antitruste americanas e de muitas leis globais. 1. Por exemplo, a fixação de preços é um crime punido com prisão e multas altíssimas: até US$ 1 milhão para indivíduos e US$ 100 milhões ou mais para empresas. Possíveis áreas de atenção da lei antitruste 1.