www.polyone.com Specialty Inks Global Headquarters and Manufacturing Plant 8155 Cobb Center Drive Kennesaw, GA 30152 Phone: +1 800.326.0226 Wilflex Warehouse Knowsley, Merseyside, L34 9GT Unity Grove, Knowsley Business Park Phone: +44 151 547 3800 Rutland Manufacturing Plant 10021 Rodney Street Phone: +1 704.553.0044 Toll Free: +1 800.438.5134 Union Ink Manufacturing Plant 10021 Rodney Street Phone: +1 704.553.0046 Toll Free: +1 800.438.5134 QCM Manufacturing Plant 10021 Rodney Street Phone: +1 704.553.0046 Toll Free: +1 800.438.5134 Printop Manufacturing Plant Sociedad Química Alemana S.A. Revolución 842, Zona Industrial Ventanilla - Callao, Lima - Perú Phone: +51.1.613.4242 Rutland/Union Ohio Service Center 777-M-N Dearborn Park Lane Worthington, OH 43085 Phone: +1 614.846.3055 Rutland/Union Warehouse 28 Eldon Way Paddock Wood Kent TN12 6BE UK Phone: +44.0.1892.834.555 Rutland/Union/Wilflex Manufacturing Plant No. 1 QiHang Industrial Park HaoXiang Road, Shajing Town, BaoAn District Shenzhen, China, 518104 Phone: +86.755.2969.2888 Specialty Inks

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Syncure™ XLPE Formulaciones Para Polietileno Reticulable PARA CABLES DE BAJA TENSIÓN GUÍA DE SELECCIÓN DE PRODUCTO Syncure™ XLPE POLIETILENO RETICULABLE POR HUMEDAD PARA AISLAMIENTO PARA CABLES DE BAJA TENSIÓN SISTEMA S100FH S100FH-XUV S100FH-UV S100FV S100FV-UV S112NA S120NA S200FH S200FV Aplicaciones Cable para construcción, Cable para construcción, Cable fotovoltaico (PV) Cable para construcción, Cable para construcción, Cable para construcción, Teck-90 Tuberia Cable para edificaciones, tray cables, cables de servicio Cable para edificaciones, tray cables, cables de servicio Especificaciones UL 44 UL 44 UL 44, UL 4703 UL 44 UL 44 CSA 22.2 Usable para NSF 61 UL 44 UL 44 Tipo de alambre XHHW-2, RHW-2, USE-2, XHHW-2, RHW-2, USE-2, SIS XHHW-2, RHW-2, USE-2, SIS, PV XHHW-2, RHW-2, XHHW-2, RHW-2, USE-2, SIS, PV RW-90, Teck-90 – RHW-2, RHW, RHH, XHHW-2, XHH, XHHW, SIS RHW, RHH, RHW-2 % de componentes 83% S1054A 17% V0022G RoHS 83% S1054A 17% V0022G-UV RoHS 70% S1054A 30% V0022G-UV RoHS 50% S1054A 50% V0044G RoHS 50% S1054A 50% V0044G-UV RoHS 95% S1054A 5% S1000B 95% S1016A 5% S1037B 78% S1054A 22% SC5400-0002 RoHS MB ALT FR 50% S1054A 50% SC5400-0003 RoHS MB ALT FR Caracteristicas Flama horizontal Flama horizontal, resistencia UV, Flama horizontal, flama FV-1, resistencia UV, VW-1 VW-1, resistencia UV, Sin retardante a la flama Para aplicaciones de tuberia Flama horizontal, libre de DBDPE VW-1, libre de DBDPE PROPIEDADES GENERALES Gravedad Específica 1.01 1.02 1.10 1.31 1.31 0.92 0.95 1.01 1.31 Rigidez Shore D, 10 Segundos 47 47 47 48 48 47 59 47 48 % de Contenido de Gel 68 68 70 70 70 72 72 68 70 PROPIEDADES DE RESISTENCIA A LA TRACCIÓN Resistencia a la Tracción (psi) 2800 2500 2500 3200 2650 2800 4500 2800 3200 % de Elongación 400 400 400 470 540 400 80 400 470 % de Retención de Tracción 100 100 97 110 110 95 75 95 100 % de Retención de Elongación 90 90 94 100 100 90 75 90 93 PROPIEDADES ELÉCTRICAS Resistencia Dieléctrica (V/mil) 1000 1400 1400 1200 1200 1000 –– 1000 1200 Constante Dieléctrica 2.31 2.45 2.61 2.61 2.61 2.24 2.1 2.31 2.61 % de Factor de Disipación 0.0012 0.0080 0.008 0.0043 0.0043 0.0008 0.002 0.0012 0.0043 PROPIEDADES TÉRMICAS Condiciones Nominales de Temperatura en °C 90 90 90 90 90 90 125 90 90 % de Deformación Térmica 10 10 5 5 5 10 10 10 5 La cartera Syncure XLPE es un sistema de dos pasos de Polietileno reticulable por humedad, injertado con Silano.

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ZWOLSEWEG 1, 2994 LB, BARENDRECHT, NETHERLANDS. ACCREDITED UNIT: DNV GL Business Assurance B.V., ZWOLSEWEG 1, 2994 LB, BARENDRECHT, NETHERLANDS.

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PRODUCT SELECTION GUIDE WIRE & CABLE SOLUTIONS Specialty Engineered Materials High performance insulation, jacketing, and cross-web formulations for the wire and cable industry Syncure™ XLPE Cross-linkable Polyethylene Formulations • Ambient curing • Resistant to heat, oil, creep, & abrasion • Low temperature properties • Low capital investment • DBDPE-free grades available • UL/CSA bulletins Maxxam™ FR Flame Retardant Polyolefin Formulations • FEP alternative • Fire performance • UL 444 & plenum yellow card compliance • Low dielectric • High extrusion speeds • Thin wall extrudability Maxxam™ SY Foamable Flame Retardant Formulations • Low dielectric • Uniform cell structure • Crush & heat resistance • Ease of chemical foaming ECCOH™ Low Smoke and Fume Non-Halogen Formulations • Improved fire safety • Low smoke, fume, non-halogen (LSFOH) formulations ECCOH™ XL Cross-Linkable Solutions • Non-halogen, low smoke, toxicity, & corrosiveness • Excellent mechanical & electrical properties • Easily processed • Operating temperature of 90°C • Moisture cure technology Synprene™ Flame Retardant Thermoplastic Elastomers • Low temperature brittleness (LTB) resistance • Easily colored FireCon™ CPE Insulation Jacketing Formulations • Resistance to harsh environments • Sunlight resistance ECCOH™ XL 8148 Non-halogen, low smoke, toxicity, & corrosiveness EN50618 Syncure™ S100FH Horizontal flame UL 44 Syncure™ S100FH-XUV Horizontal flame, UV resistant UL 44 Syncure™ S100FH-UV Horizontal flame, FV-1 flame, UV resistant UL 44, UL 4703 Syncure™ S100FV VW-1 flame UL 44 Syncure™ S100FV-UV VW1, UV resistant UL 44 Syncure™ S112NA Non-flame retardant CSA 22.2 Syncure™ S120NA Non-flame retardant NSF 61 Syncure™ S200FH Horizontal flame, DBDPE-free UL 44 Syncure™ S200FV VW-1, DBDPE-free UL 44 INSULATION FOR POWER CABLE SYSTEMS Low Voltage Power Cables • Resistance to heat, oil, creep, & abrasion • Low capital investment INSULATION & CROSS-WEBS FOR DATA CABLE SYSTEMS Category Cables • FEP alternative • Low dielectric constant • High extrusion speeds & thin wall capability • Flexibility Maxxam™ FR 0521-48 R1 Low smoke & fume, non-halogen UL 444 Maxxam™ FR 0587-21 R3 Halogenated to plenum performance UL 444 Optical Fiber Cables • Resistance to harsh environments, chemicals, & sunlight • Low temperature brittleness (LTB) resistance • Low smoke & toxicity ECCOH™ 6649 UV Low DD Low smoke & fume, non-halogen Meets customer-specific flame requirements Coaxial Cables • Flexibility • Low dielectric constant • Uniform cell structure • Crush & heat resistance Maxxam™ SY 89-22-7 Foamable Meets customer-specific flame requirements JACKETING FOR POWER & DATA CABLE SYSTEMS Low & Medium Voltage Jacketing • Resistance to harsh environments, chemicals, & UV degradation • Low temperature brittleness (LTB) resistance • Low smoke & toxicity • Flexibility • High extrusion speeds • Easily colored FEATURES SUBMARKETS & USES FireCon™ CPE 30-33 RoHS Black Flame retardant, flexible Building & construction, industrial, FireCon™ CPE 37-36 RoHS Black Flame retardant, flexible Building & construction, industrial, FireCon™ CPE 30-20 RoHS Natural Flame retardant, flexible Building & construction, industrial, ECCOH™ 5549 UV Low smoke & fume, non-halogen, flame retardant Building & construction, industrial ECCOH™ 6649 UV Low DD Low smoke & fume, non-halogen, flame retardant Optical fiber, ducts ECCOH™ 5981 UV Low smoke & fume, non-halogen, flame retardant Industrial, Teck 90 wire Synprene™ RT5180 Flame retardant, LTB resistance Building & construction, industrial Synprene™ RT5180UV Flame retardant, LTB resistance Building & construction, industrial Synprene™ RT3870M Flame retardant, LTB resistance Building & construction, industrial 1.844.4AVIENT www.avient.com Copyright © 2023, Avient Corporation.

Adjusted EPS attributable to PolyOne common shareholders is calculated as follows: 2009* 2010* 2011* 2012* 2013* 2014* 2015* 2016** 2017** 2018 2018*** Q1 2019*** 2019 Q1 2020 Net income from continuing operations attributable to PolyOne common shareholders $ 106.7 $ 152.5 $ 153.4 $ 53.3 $ 94.0 $ 78.0 $ 144.6 $ 166.4 $ 173.5 $ 161.1 $ 87.7 $ 22.4 $ 75.5 $ 33.1 Joint venture equity earnings, after tax (19.0) (14.7) (3.7) — — — — — — — — — — — Special items, before tax(1) (48.7) 24.2 (48.1) 55.1 46.3 164.2 87.6 23.8 32.9 59.5 58.7 12.2 61.7 9.6 Special items, tax adjustments(1) (27.2) (96.7) (24.7) (18.9) (13.7) (73.7) (58.7) (15.9) (24.8) (25.3) (25.1) (1.2) (5.9) (1.0) Adjusted net income from continuing operations attributable to PolyOne common shareholders $ 11.8 $ 65.3 $ 76.9 $ 89.5 $ 126.6 $ 168.5 $ 173.5 $ 174.3 $ 181.6 $ 195.3 $ 121.3 $ 33.4 $ 131.3 $ 41.7 Diluted shares 93.4 96.0 94.3 89.8 96.5 93.5 88.7 84.6 82.1 80.4 80.4 78.2 77.7 86.7 Adjusted EPS attributable to PolyOne common shareholders $ 0.13 $ 0.68 $ 0.82 $ 1.00 $ 1.31 $ 1.80 $ 1.96 $ 2.06 $ 2.21 $ 2.43 $ 1.51 $ 0.43 $ 1.69 $ 0.48 * Historical results are shown as presented in prior filings and have not been updated to reflect subsequent changes in accounting principle, discontinued operations or the related resegmentation. ** Pro forma for sale of Designed Structures and Solutions segment (DSS). *** Pro forma for sale of Performance Products and Solutions segment (PP&S). Reconciliation to Adjusted EPS Excluding Special Items and Impacts of February 2020 Equity Offering Three Months Ended March 31, 2020 Net income from continuing operations – GAAP $ 33.1 Special items, after tax(1) 8.6 After tax interest income earned on equity proceeds, included in Interest expense, net (0.7) Adjusted net income excluding special items and impact of interest income on equity proceeds $ 41.0 Diluted weighted-average shares used to compute earnings per common share 86.7 Weighted-average impact of 15.3 million shares issued in February 2020 equity offering (9.3) Diluted weighted-average shares excluding impact of shares issued in February 2020 equity offering 77.4 Adjusted EPS - excluding special items and the net impact of equity offering $ 0.53 Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except per share data)

1400 Ravello Drive, Katy, TX, 77449-5164, USA - TEL: +1 281-396-1000. www.dnv.com 管理体系认证证书 证书号码: 273138-2018-AQ-RGC-IATF IATF证书号码: 0558323 有效期限: 2024年12月 10日 – 2027年12月 09日 兹证明 普立万聚合体（深圳）有限公司 中国广东省深圳市宝安区沙井镇蚝乡路启航工业园1号 518104 统一社会信用代码：9144030076498189X0(USI: C5M65R) 外部支持场所： 见附页 质量管理体系符合 : IATF 16949:2016 此证书对下列范围有效: 塑料改性材料的设计和制造 豁免：无 http://www.dnv.com 证书号码: 273138-2018-AQ-RGC-IATF IATF证书号码: 0558323 证书制作地点及日期: Katy, TX, 2024年12月 10日 未履行认证协议中规定条款会导致此证书失效，获证组织必须定期接受监督审核并经审核合格此证书方继续有效。 获得认可的单位: DNV Business Assurance USA Inc., 1400 Ravello Drive, Katy, TX, 77449-5164, USA - TEL: +1 281-396-1000. www.dnv.com 页 2 / 2 证书附页 普立万聚合体（深圳）有限公司 外部支持场所： 场所名称 场所地址 外部支持场所活动 认证机构 普立万企业管理（上海）有限公司 中国上海浦东金桥经济开发技术区 金苏路200号C幢2楼 201206(USI: PKFHC3) 产品设计，过程设计 DNV 普立万聚合体（苏州）有限公司 中国江苏省苏州工业区胜港街77号 215127(USI: CF4943) 合同评审，销售，供应商管理 DNV http://www.dnv.com

Three common ways this can be done are 1) in a way that creates a woven structure, 2) by placing the fiber fabric into a mold that is injected with resin, or 3) by pultrusion, where the fibers are pulled through resin and then shaped and cured in a heated die.