PolyOne Corporation Page 4 PolyOne Commodity to Specialty Transformation • Volume driven, commodity producer • Heavily tied to cyclical end markets • Performance largely dependent on non- controlling joint ventures 2000-2005 2006 - 2009 2010 – 2014 2015 and beyond • Steve Newlin appointed, Chairman, President and CEO • New leadership team appointed • Implementation of four pillar strategy • Focus on value based selling, investment in commercial resources and innovation to drive transformation • Substantial EPS growth from $0.13 to all-time high of $1.80 • Shift to faster growing, high margin, less cyclical end markets • Key acquisitions propel current and future growth, as well as margin expansion • Specialty mix expands to 65% of Operating Income – strongest mix of earnings in history • Accelerating growth • Deliver consistent double digit annual EPS growth • Maintain >35% vitality index • Pursue strategic acquisitions that expand specialty offerings and geographic breadth • Invest and grow current and next generation talent PolyOne Corporation Page 5 Building & 10% Electrical & 11% 9% Distribution 28% PP&S 52% 69% 13% 7% Asia 2014 Revenues: $3.8 Billion End Markets 2014 Revenues: $3.8 Billion PolyOne At A Glance $13 $31 $46 $46 $92 $96 $122 $195 $242 2006 2007 2008 2009 2010 2011 2012 2013 2014 Specialty Operating Income ($M) PolyOne Corporation Page 6 Old PolyOne *Operating Income excludes corporate charges and special items 2% 34% 43% 62% 65% 69% 0% 20% 40% 60% 80% 100% 2005 2008 2010 2013 2014 Q1 2015 2020 % o f O pe ra tin g In co m e* JV's Performance Products & Solutions Distribution Specialty 80%+ Specialty OI $5M $46M $87M $195M $242M $60M Mix Shift Highlights Specialty Transformation Transformation 2020 Platinum Vision Platinum Vision PolyOne Corporation Page 7 Confirmation of Our Strategy The World’s Premier Provider of Specialized Polymer Materials, Services and Solutions Specialization Globalization Operational Excellence Commercial Excellence PolyOne Corporation Page 8 -100% 0% 200% 300% 400% 500% 600% Strategy and Execution Drive Results $0.12 $0.27 $0.21 $0.13 $0.68 $0.82 $1.00 $1.31 $1.80 '06 '07 '08 '09 '10 '11 '12 '13 '14 ‘06-‘14 Adjusted EPS CAGR = 40% Adjusted EPS Share Price vs. S&P 500 PolyOne Corporation Page 9 2006 Q1 2015 2020 “Where we were” “Where we are” Platinum Vision 1) Operating Income % Specialty: Global Color, Additives & Inks 1.7% 16.2% 20%+ Global Specialty Engineered Materials 1.1% 16.3% 20%+ Designed Structures & Solutions 1.4% (2012) 2.7% 12 – 14% Performance Products & Solutions 5.5% 6.5% 10 – 12% Distribution 2.6% 5.9% 6.5 – 7.5% 2) Specialty Platform % of Operating Income 6.0% 69% 80%+ 3) ROIC 5.0% 11.4% 15% 4) Adjusted EPS Growth N/A 22 Consecutive Quarters of EPS Growth Double Digit Expansion Proof of Performance & 2020 Goals PolyOne Corporation Page 10 Platinum Vision: Pathway to Accelerated Growth Organic Sales Growth Margin Expansion Share Repurchases Acquisitions PolyOne Corporation Page 11 Innovation Drives Earnings Growth *Percentage of Specialty Platform revenue from products introduced in last five years $20 $53 2006 2014 Research & Development Spending ($ millions) Specialty Platform Vitality Index Progression* 14% 27% 2006 2014 Specialty Platform Gross Margin % 20% 44% 2006 2014 Specialty Vitality Index Target ≥ 35% PolyOne Corporation Page 12 Megatrends Aligned with Key End Markets Decreasing Dependence on Fossil Fuels Protecting the Environment Improving Health and Wellness Megatrend End Markets Globalizing and Localizing Health & Wellness Transportation Packaging Consumer PolyOne Corporation Page 13 Prototype Frame Opportunity Scale-up & Test Market Build Business Case Commercial Launch Phase 1 Phase 2 Phase 3 Phase 4 Phase 5 6 9 7 3 5 12 5 3 2 8 4 2 4 3 1 Breakthrough Platform Derivative A Rich Pipeline of Opportunity Number of Projects 14 8 18 12 22 74 Addressable Market ($ millions) $700 $600 $600 $1,900 PolyOne Corporation Page 14 60% 98% 20% 30% 40% 50% 60% 70% 80% 90% 100% 2008 Q1 2015 Pension Funding** As of March 31, 2015 Debt Maturities & Pension Funding Net Debt / EBITDA* = 2.1x $49 $317 $600 $0 $100 $200 $300 $400 $500 $600 $700 $800 2015 2020 2023 Debt Maturities As of March 31, 2015 ($ millions) Coupon Rate: 7.500% 7.375% 5.250% ** includes US-qualified pension plans only *TTM 3/31/2015 PolyOne Corporation Page 15 Free Cash Flow and Strong Balance Sheet Fund Investment / Shareholder Return  Expanding our sales, marketing, and technical capabilities  Investing in operational and LSS initiatives  ~75% of capital expenditures fund growth initiatives Organic Growth Acquisitions Share Repurchases Dividends $0.16 $0.20 $0.24 $0.32 $0.40 $0.10 $0.20 $0.30 $0.40 $0.50 2011 2012 2013 2014 2015 Annual Dividend  Targets that expand our: • Specialty offerings • End market presence • Geographic breadth  Synergy opportunities  Adjacent material solutions  Repurchased over 500k shares in Q1 2015  Repurchased 11.8 million shares since early 2013  8.2 million shares are available for repurchase under the current authorization PolyOne Corporation Page 16 PolyOne Core Values Innovation Collaboration Excellence PolyOne Corporation Page 17 The New PolyOne: A Specialty Growth Company Why Invest In PolyOne? Platform operating income mix percentage 2005* 2006* 2007* 2008* 2009* 2010* 2011 2012 2013 2014 2015 Q1 Global Color, Additives and Inks $ 4.3 $ 8.9 $ 25.7 $ 28.1 $ 25.2 $ 37.7 $ 50.2 $ 75.3 $ 104.0 $ 124.9 $ 33.8 Global Engineered Materials 0.4 3.9 4.9 17.6 20.6 49.7 45.9 47.0 57.2 72.4 23.1 Designed Structures and - - - - - - - - 33.4 45.1 3.2 Platform $ 4.7 $ 12.8 $ 30.6 $ 45.7 $ 45.8 $ 87.4 $ 96.1 $ 122.3 $ 194.6 $ 242.4 $ 60.1 Performance Products and 75.7 64.2 65.8 31.3 33.1 54.0 27.7 38.8 56.0 63.1 11.5 Distribution 19.5 19.2 22.1 28.1 24.8 42.0 56.0 66.0 63.3 68.2 15.7 Joint ventures 91.9 102.9 34.8 28.6 25.5 18.9 5.0 - - - - Corporate and eliminations (51.5) 34.5 (73.3) (425.1) 7.9 (27.7) 18.2 (89.6) (82.4) (218.6) (17.2) Operating income (loss) GAAP $ 140.3 $ 233.6 $ 80.0 $ (291.4) $ 137.1 $ 174.6 $ 203.0 $ 137.5 $ 231.5 $ 155.1 $ 70.1 Less: Corporate operating expense 51.5 (34.5) 73.3 425.1 (7.9) 27.7 (18.2) 89.6 82.4 218.6 17.2 Operating income excluding Corporate $ 191.8 $ 199.1 $ 153.3 $ 133.7 $ 129.2 $ 202.3 $ 184.8 $ 227.1 $ 313.9 $ 373.7 $ 87.3 platform operating mix percentage 2% 6% 20% 34% 35% 43% 52% 54% 62% 65% 69% * Historical results have not been restated for the Resin business divestiture or the related resegmentation.

Presentar a la junta directiva informes detallados sobre la marcha de la empresa, y propuestas para la administración y el funcionamiento adecuados de la misma; 6. No. 000000000776255 Página 6 de 11 Cámara de Comercio de Bogotá Sede Virtual CERTIFICADO DE EXISTENCIA Y REPRESENTACIÓN LEGAL Fecha Expedición: 12 de abril de 2021 Hora: 13:04:47 Recibo No. La verificación se puede realizar de manera ilimitada, durante 60 días calendario contados a partir de la fecha de su expedición. -------------------------------------------------------------------------------------------------- Por Documento Privado del 29 de diciembre de 2015 de Representante Legal, inscrito el 6 de enero de 2016 bajo el número 02051006 del libro IX, comunicó la sociedad matríz: - CLARIANT PLASTICS & COATINGS AG Domicilio: (Fuera Del País) Presupuesto: Numeral 1 Artículo 261 del Código de Comercio Que se ha configurado una situación de control con la sociedad de la referencia.

Se o Vendedor determinar que a responsabilidade financeira do Comprador tornou-se prejudicada ou insatisfatória ao Vendedor, o Vendedor poderá exigir o pagamento antecipado em dinheiro, COD, prazos mais curtos, e/ou fixar uma segurança satisfatória por parte do Comprador, e poderá reter as remessas até que o Comprador cumpra a obrigação. 6. If the parties cannot agree upon and implement such changes within sixty (60) days after such notice, Seller shall thereupon have a right to terminate this contract forthwith by written notice to Buyer. 6. O Vendedor não estará sujeito a qualquer responsabilidade ou danos por atraso no desempenho ou não desempenho como resultado de incêndio, inundação, geada, catástrofe natural, pandemia, greve, bloqueio, escassez de trabalhadores, disputa ou problema trabalhista, acidente, motim, ato governamental, caso fortuito, guerra, ato de terrorismo (incluindo ciberterrorismo e ataques de ransomware) ou outras contingências e/ou circunstâncias além do seu controle razoável, interferindo com a produção, fornecimento, transporte ou consumo dos Produtos ou com o fornecimento de quaisquer matérias-primas utilizadas em conexão com o mesmo, ou a incapacidade do Vendedor de comprar matérias-primas a um preço comercialmente razoável, ou se o desempenho for contrário ou constituir uma violação de qualquer regulamento, lei ou exigência de um autoridade governamental reconhecida, e as quantidades assim afetadas poderão ser eliminadas pelo KLA: 245806 - v5 - p. 6/8 this contract without liability or damages to Seller, but this contract shall otherwise remain unaffected.

March 6, 2024.

ET9600-8010 LDS ET3200-8177 LDS基础树脂 产品牌号 基础树脂 Dk Df ET9600-8010 LDS BK001 LCP 4 0.006 280+ ℃ ET9600-8015 3D BK001 LCP 3.9 0.004 270+ ℃ ET9600-8018 3D BK001 LCP 3.44 0.004 250+ ℃ ET9600-8022 3D BK001 LCP 3.06 0.004 250+ ℃ ET7600-8047 3D NC001 PPE 2.6 0.002 No ( SMT ) ET7600-8052 3D NC001 PPE 4.5 0.004 No ( SMT ) ET7600-8040 3D RS NC001 PPE 6 0.002 No ( SMT ) ET7600-8043 3D RS NC001 PPE 9 0.004 No ( SMT ) ET3200-8205 3D BK001 PC 2.95 0.006 No ( SMT ) ET3200-8207 3D BK001 PC 2.95 0.006 No ( SMT ) ET3200-8198 3D BK001 PC 3.2 0.006 No ( SMT ) LCP PPE PC 焊接能力 EDGETEK LDS 系列产品：™ 普立万EDGETEK LDS及3D立体电路配方在5G基站天线应用方面具有以下优势： • 提高设计灵活性 ‒ 有助于提高设计灵活性，尤其是在电路设计、3D天线设计和复杂形状方面 • 加快设计确认效率，缩短交货周期 ‒ 可根据特定的Dk值进行定制，并在数周内交付 • 灵活的设计空间 ‒ 有助于优化受空间限制的电路设计 • 与SMT工艺兼容 ‒ 可提供具有耐热性的定制配方，抗热变形温度范围为200℃-278℃ 如需了解更多详情，请访问 www.avient.com 或致电 +86 021 60294888 ， 能可 的数 www.avient.com 版权所有©2020埃万特公司。

在很宽的频率范围仍保持稳定的射频性能 0,0 2,0 4,0 6,0 8,0 10,0 12,0 D ie le ct ri c co ns ta nt PR E PE RM® PPE 95 0 PR E PE RM® PPE 80 0 PR E PE RM® PPE 44 0 PR E PE RM® PPE 32 0 PR E PE RM® PPE 26 0 生产过程中批次间的稳定性 * 2018 年芬兰有限公司VTT技术研究中心测量数据 介 电 常 损 耗 因 介 电 常 频率 [GHz] 频率 [GHz] 分批编号 （1250 kg/批次） PREPERM™ PPE950 PREPERM™ PPE800 PREPERM™ PPE440 PREPERM™ PPE320 PREPERM™ PPE260 -- 目标介电常数 -- +/- 2% 3,76 3,78 3,80 3,82 3,84 3,86 3,88 3,90 3,92 3,94 0 1 2 3 4 5 6 7 8 D ie le ct ri c co ns ta nt P a llet number (1250 k g/pa llet ) Die le ctric cons ta nt ta rge t +/- 2 % t PR E PE RM® PPE 95 0 PR E PE RM® PPE 80 0 PR E PE RM® PPE 44 0 PR E PE RM® PPE 32 0 PR E PE RM® PPE 26 0 t PR E PE RM® PPE 95 0 PR E PE RM® PPE 80 0 PR E PE RM® PPE 44 0 PR E PE RM® PPE 32 0 PR E PE RM® PPE 26 0 t PR E PE RM® PPE 95 0 PR E PE RM® PPE 80 0 PR E PE RM® PPE 44 0 PR E PE RM® PPE 32 0 PR E PE RM® PPE 26 0 1.844.4AVIENT www.avient.com 版权所有©2022 埃万特公司。

These methods include: PULTRUSION • Fibers are impregnated with liquid thermoset resins, then pulled through a heated die to cure the resin and form the product • This continuous, automated manufacturing process creates constant cross section profiles of any pre-determined length with consistent, uniform quality and exceptional mechanical performance • Applications include rods and profiles of various lengths and complexities, such as utility poles, insulator core rods and structural beams CONTINUOUS FILAMENT WINDING • Combines the principles of filament winding with pultrusion to create constant or tapered cross- sectional tubing in precision sizes • The unique axial and biaxial fiber orientation provides flexural and tensile strength, as well as crush and burst resistance • Applications include lightweight shelter frames and sporting goods components CONTINUOUS RESIN TRANSFER MOLDING (CRTM™) • Engineered core materials are sandwiched between structural composite laminate face sheets • Continuous composite sandwich panels feature high specific strength and stiffness-to-weight ratio • Applications include ballistic resistant panels, truck floors and rail car doors CONTINUOUS FIBER REINFORCED THERMOPLASTICS • Fully recyclable tape, X-Ply™ (0°/90°), and other multi-ply configurations with widths up to 10' wide • Sandwich panels in unlimited lengths, up to 6" thick and 10' wide • High volume production capacity • Applications include structural and aerodynamic components in transportation, and reinforcement of materials such as wood and metal THERMOSET COMPOSITE LAMINATES & BARSTOCK • Unidirectionally reinforced barstock, laminates and hybrid composites engineered to maximize deflection and fatigue resistance • Customizable shapes and sizes • Applications include archery bow limbs, flat springs, prosthetics, sporting equipment THERMOSET FINISHING OPERATIONS • Customized finishing capabilities for barstock and laminates including machining, water-jet cutting, profiling/shaping, sanding, slitting, laminating, molding and coatings TESTING CAPABILITIES • Mechanical – Flexural, tensile, compression, shear, fatigue, impact resistance • Physical – Specific gravity/density, Barcol hardness, water absorption, void content, resin/fiber content, dye penetrant, viscosity • Thermomechanical – Coefficient of linear thermal expansion, glass transition temperature, deflection temperature, degree of cure, curing properties • Electrical – High-voltage, low current dry arc resistance of solid electrical insulation, dielectric strength, water diffusion ABOUT AVIENT ADVANCED COMPOSITES The Avient advanced composites portfolio consists of Glasforms™, Gordon Composites™ and Polystrand™ branded materials.

THERMA-TECH TT3300-5001EC THERMA-TECH TT6600-5001EC THERMA-TECH TT6600-5008EC ANTHRACITE THERMA-TECH TT9200-5003EC THERMA-TECH TT9200-5003EC MID ANTHRACITE Applications Sensor, Camera Sensor, Camera Sensor, Camera Sensor, Camera Sensor, Camera Defining Features Thermally & Electrically Thermally & Electrically Thermally & Electrically Thermally & Electrically Thermally & Electrically Filler/ Reinforcement Glass Fiber Glass Fiber Glass Fiber Glass Fiber Glass Fiber Surface Resistivity

特点 电线和电缆 高度阻燃 毒性和烟密度极低 不同级层间可交联 可与色母料、添加剂浓缩液、紫外稳定剂一同加工 高度阻燃 毒性和烟密度极低 适合进行挤压和注射成型 管和配件 材料（ECCOH） 5924C 5920 5511C 5806UV 5127UV 5549/1 8300-8001 8300-8003 8300-8008 1125C 1052C 5309 5995/1C 5555C 5286 3140-3 6151 5865C XLS8002 6649 中低压电缆 光缆 机车/船 光缆 电缆/光缆 电子线 电缆 电子线 电子线 电缆 机车缆护套 电缆/光缆 电缆 机车缆 电缆 电缆/光缆 电缆 电缆 电缆/光缆 应用 热老化等级 热塑性 √ √ √ √交联型 交联方式 密度48 熔融指数（150℃/21.6kg） 硬度shore D 拉伸强度MPa 断裂伸长率% 氧指数% 耐环境应力开裂ESCR 阻燃性能 低温性能 耐油性能 耐UV性能 耐泥浆性能 低摩擦性能 产地 有焰（1mm）ASTM E662 无焰（1mm） 70 235 45 265 68 275 210 1.49~1.51 4.0 54 12.5 200 36 1.47 3.5 55 210 34 1.53 0.8 56 150 40 1.51 1 47 9.5 38 1.46 3.8 54 15.5 32 2.9 49 11.7 45 CPR B 中国/欧洲 1.29 13.5 17.5 345 27 1.27 9.5 13 360 29 90 190 1.49 8 15.7 245 35 63 1.54 2.7 55 40 106 214 CPR C 8 50 12.5 34 84 206 250 39 1.48 3 11 215 36 2.8 10.3 165 41 1.58 4.2 12.4 160 CPR B 1.46 6 17 160 33 39 143 1.51 4 43 50 150 1.54 2.3 56 155 35 D类 5.8 12 250 27 1.35 10 49 15 320 28 辐照/硅烷 辐照 辐照 辐照 辐照 辐照 自交联/水浴辐照/硅烷 √ √ √ √ √ √ √ √ √ √ √ √ √ √ 90℃ 90℃ 90℃ 105℃ 90℃ 105℃ 125℃ 105℃ 105℃ 105℃ 90℃ 90℃ 90℃105℃ 105℃ 105℃ 105℃ 105℃ 加工方式（挤出） 材料性能:热塑状态（非交联后） 烟密度（最大） 特殊性能 ECCOH™低烟、无卤解决方案

KEY CHARACTERISTICS Formulated with bio-based resin and/or 10–50% filler from renewable plant sources, Maxxam BIO formulations: • Reduce product carbon footprint • Achieve equivalent performance to standard polyolefin formulations • Provide good stiffness, durability, impact resistance and UV stability • Deliver good surface finish and are easy to color • Enable customized performance characteristics depending on application need • Offer food contact compliance MARKETS AND APPLICATIONS Maxxam BIO formulations are suitable for use across many industries and applications where traditional polyolefin materials are used, including: • Transportation Interior Applications - Decorative profiles, trunk side liners, pillars, T-cup • Industrial - Structural parts, furniture • Consumer - Household goods, personal care items, packaging, office supplies, food contact applications • Electrical and Electronic – Housings, buttons, junction boxes SUSTAINABILITY BENEFITS • Formulated with bio-based resin and/or 10–50% natural filler • Utilize natural filler from renewable plant sources including olive seed based powder and cellulose fiber • Offer a lower product carbon footprint compared to traditional petroleum-based feedstock • Can be recycled at end of life PRODUCT BULLETIN CHARACTERISTICS UNITS Maxxam BIO MX5200-5036 Natural FD Maxxam BIO MX5200-5030 Natural FD Maxxam BIO MX5200-5030 Natural FD X1 Maxxam BIO MX5200-5001 Maxxam BIO MX5200-5033 Maxxam BIO MX5200-5034 Maxxam BIO MX5200-5035 Filler/Reinforcement Unfilled Unfilled Unfilled 30% Glass Fiber 10% 20% 30% Density (ISO 1183) g/cm 0.90 0.90 0.90 1.12 0.96 1.03 1.12 Tensile Modulus (ISO 527-1) @ 23°C MPa 1500 1000 1000 6400 1350 1650 2100 Tensile Stress (ISO 527-2) @ 23°C MPa 27.0 20.0 20.0 75.0 13.0 14.0 15.0 Tensile Strain at Break % 5 50 50 3.0 50 37 18 Charpy Notched (ISO 179) kJ/m 5 20 25 10 12 10 10 CHARACTERISTICS UNITS Maxxam BIO MX5200-5023 RS HS HI Natural 70 Maxxam BIO MX5200-5025 RS HS Natural 70 Maxxam BIO MX5200-5004 RS HS Maxxam BIO MX5200-5003 RS Maxxam BIO MX5200-5009 RS HS Natural 70 Maxxam BIO MX5200-5024 RS HS Maxxam BIO MX5200-5022 RS HS Filler/Reinforcement 15% Olive Seed Based 25% Olive Seed Based 30% Olive Seed 10% 35% Olive Seed 5% 15% Olive Seed 17% Glass Fiber/ 20% Olive Seed 20% Glass/ 10% Olive Seed 20% Density (ISO 1183) g/ccm 1.00 1.15 1.10 1.07 1.09 1.25 1.10 Tensile Modulus (ISO 527-1) @ 23°C MPa 1750 2000 2700 2500 3800 3500 4100 Tensile Stress at Break MPa 21.0 20.0 30.0 20.0 40.0 35.0 42.0 Tensile Strain at Break % 24 5 3 5 3 4 2 Notched Izod (ISO 180) kJ/m 15 7 3 2 5 15 7 MAXXAM BIO POLYOLEFINS – BIO-BASED RESIN – TECHNICAL PERFORMANCE MAXXAM BIO POLYOLEFINS – OLIVE SEED BASED FILLER – TECHNICAL PERFORMANCE CHARACTERISTICS UNITS Maxxam BIO MX5200-5029 NF HI UV Black X1 Maxxam BIO MX5200-5032 NFS UV Natural Maxxam BIO  MX5200-5020 NF/NFS UV Natural X1​ Maxxam BIO MX5200-5016 NF Natural Filler/Reinforcement 10% Cellulose Fiber 20% Cellulose Fiber 30% Cellulose Fiber 40% Cellulose Fiber Density (ISO 1183) g/ccm 0.95 1.00 1.02 1.07 Tensile Modulus ISO 527-1) @ 23°C MPa 1550 1750 2640 3600 Tensile Stress at Break (ISO 527-2) @ 23°C MPa 33 30 48 55 Tensile Strain at Break (ISO 527-2) @ 23°C % 8 12 9 4 Charpy Notched Impact Strength (ISO 179/1eA) kJ/m2 5 6 5 5 Charpy Unnotched Impact Strength (ISO 179/1eU) kJ/m2 33 49 38 30 MAXXAM BIO POLYOLEFINS – CELLULOSE FIBER FILLER – TECHNICAL PERFORMANCE Copyright © 2023, Avient Corporation.