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.

UU. y los fundamentos de muchas leyes internacionales. 1. Por ejemplo, la fijación de precios es un delito punible con penas de cárcel y altas multas: hasta 1 millón de USD para personas y 100 millones de USD, o más, para empresas. Posibles áreas de preocupación antimonopolio 1.

У каждого из них свой собственный подход, а вместе они являются основой антимонопольного законодательства США и фундаментом для множества глобальных законов. 1. Потенциальные проблемные области в сфере антимонопольного законодательства 1. Эйвон-Лейк, США 33587 Walker Road Avon Lake, OH, United States 44012 Бесплатный тел.: +1-866-765-9663 Телефон: +1-440-930-1000 Факс: +1-440 930 3064 Азиатско-Тихоокеанский регион Региональный офис в Шанхае, Китай 2F, Block C 200 Jinsu Road Pudong, 201206 Shanghai, China Телефон: +86 (0) 21 6028 4888 Факс: +86 (0) 21 6028 4999 Южная Америка Региональный офис в Сан-Паулу, Бразилия Av.

Každý z nich přistupuje k tématu jinak a všechny tvoří základní kameny antimonopolních zákonů USA a podklady pro mnoho globálních zákonů. 1. Například domluvené stanovení cen je trestným činem, který lze trestat odnětím svobody a vysokými pokutami – až do výše 1 milionu USD pro jednotlivce a 100 milionů USD nebo více pro společnosti. 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.

Avient 反贿赂和反 腐败全球政策 发布日期：2020 年 7 月 1 日 目录 我们的反贿赂和反腐败全球政策 1 合规的重要性 1 我们的责任 1 什么是贿赂？ 1 合规的重要性 无论我们在全球任何地方开展业务，反贿赂和反腐败 (ABAC) 法律始终适用于我们的业务，包括但不限于《海 外反腐败法》(FCPA) 以及英国的《反贿赂法》。 1 参阅 Avient《行为准则》的礼品和招待部分以及我们的礼品与款待政策， 确定您的建议支出是否可获得允许。