ECCOH™ XL Cross-Linkable Solutions for Photovoltaic Cables Enabling a more sustainable and safer planet, Avient has developed ECCOH™ XL Cross-Linkable Solutions for photovoltaic cable applications (ECCOH XL 8148). They pass EN 50618 and IEC 60332-1 standards on the assembled cable (if the cable jacketing and insulation are both produced with ECCOH XL 8148 solutions). The can be used for both cable jacketing and insulation.

Wire _ Cable Selection Guide_CN 11.09-1 电线 & 电缆 解决方案 特种工程材料 产品选择指南 用于电线与电缆行业的 高性能绝缘材料、护套和交联配方 Syncure™ XLPE 交联聚乙烯配方 室温自然交联 耐热、耐油、抗蠕变和耐磨 低温特性 设备投入低 拥有不含十溴二苯烷产品规格 UL/ CSA 公告 ECCOH™ 低烟无卤配方 防火安全 低烟，无卤配方（LSFOH） 耐化学品 Maxxam™ FR 阻燃聚乙烯配方 替代FEP 耐火性 阻燃性-UL 444 & 阻燃黄卡 低介电性 薄壁挤出 ECCOH™ XL 交联解决方案 无卤，低烟，低毒，低腐蚀性 优异的机械性能 & 导电性能 易于加工 90℃的工作温度 室温自然交联 Maxxam™ SY 发泡阻燃配方 低介电 均匀的发泡 抗冲击、耐热 易于化学发泡 FireCon™ CPE 绝缘护套配方 适用于恶劣环境 低温性能 耐日光 Synprene™ 阻燃热塑性弹性体 柔性 抗低温脆化（LTB） 耐化学品 易于着色 耐热、耐油、耐蠕变、耐磨损 耐低温 资本投入低 低压电力电缆 横向火焰 UL 44Syncure™ S100FH Syncure™ S100FH-XUV 横向火焰，抗紫外线 横向火焰、FV-1火焰、抗紫外线 VW-1火焰 VW1、抗紫外线 非阻燃 非阻燃 横向火焰，不含DBDPE UL 44、UL 4703 CSA 22.2 NSF 61 电力电缆系统绝缘 Syncure™ S100FH-UV Syncure™ S100FV Syncure™ S100FV-UV Syncure™ S112NA Syncure™ S120NA VW-1，不含DBDPE UL 44Syncure™ S200FV Syncure™ S200FH 低烟无卤、低毒性、耐腐蚀 EN50618ECCOH™ XL 8148 FEP替代品 介电常数低 高挤出速度和薄壁性能 耐化学性 耐低温 分类电缆 数据电缆系统的绝缘和交叉网 卤素到全空气性能 UL 444Maxxam™ FR 0587-21 R3 低烟无卤 UL 444Maxxam™ FR 0521-48 R1 可发泡 满足客户特定的阻燃要求Maxxam™ SY 89-22-7 耐恶劣环境、化学品和阳光照射 耐低温脆性（LTB） 低烟低毒 光纤电缆 低烟雾、无卤 满足客户特定的阻燃要求ECCOH™ 6649 UV Low DD 灵活性高 介电常数低 单元结构均匀 耐压耐热 同轴电缆 阻燃、柔性 建筑和工程、工业、核能FireCon™ CPE 37-36 RoHS 黑色 FireCon™ CPE 30-20 RoHS 自然色 阻燃、柔性 建筑和工程、工业、核能 光纤、管道 工业, Teck 90电线 特点 细分市场和用途 ECCOH™ 5549 UV ECCOH™ 6649 UV Low DD ECCOH™ 5981 UV Synprene™ RT5180 Synprene™ RT5180UV Synprene™ RT3870M 阻燃、柔性 建筑和工程、工业、核能FireCon™ CPE 30-33 RoHS 黑色 耐恶劣环境、化学品和紫外线降解 耐低温脆性（LTB） 低烟低毒 灵活性高 易着色 低压和中压护套 电力和数据电缆系统护套 +86 021 60284888 www.avient.com 版权所有©2023埃万特公司。

Surround™ is an electrically conductive, long fiber thermoplastic material formulated specifically to work in critical electronic applications such as advanced driver assistance systems (ADAS), medical devices, and wire and cable and electrical connectors. EMI-shielding performance at frequencies from 30 MHz up to 2 GHz

PREPERM™ H Dielectric constant PREPERM™ Radome PREPERM™ High-temp PREPERM™ Flexible PREPERM™ Standard Grades for reflow soldering, temperature resistance for films and cables for ceramic replacement 2 7 12 17 22 Copyright © 2022, Avient Corporation.

These qualities make TPU a suitable material for use in demanding wire and cable applications such as industrial cables, drag chain or automation applications, consumer electronics, automotive cables, electrical vehicle charging cables, and more. Avient Additives for Wire & Cable • Cesa™ Flame Retardant Additives: Flame- retardant additives that add or improve flame resistance. The inclusion of these additives can help a cable to pass flame resistance tests, even if the resin originally used is not flame retardant • Cesa™ Light Additives: UV light stabilizers that improve weather resistance and provide long term protection against weather degradation • Semi-conductive TPU formulations to enhance cable performance • Cesa™ Laser Additives: Includes laser-marking additives for durable cable marking.

PolyOne Investor Presentation March 2017 POLYONE CORPORATION 2 Forward-Looking Statements  In this presentation, statements that are not reported financial results or other historical information are “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995.  A reconciliation of each non-GAAP financial measure with the most directly comparable GAAP financial measure is attached to this presentation which is posted on our website at www.polyone.com. 4 POLYONE CORPORATION What We Do Value Formulation Expertise Inputs Base resins Additives Modifiers Pigments Expertise in Polymer Materials, Services and Solutions OEMs Brand Owners Processers Assemblers Driving customer value with specialty products & services Service InVisiOSM Color Services IQ Design Labs LSS Customer First POLYONE CORPORATION 5 2016 Revenue ($3.3 Billion) by Segment At a Glance United States 65% Europe 12% Canada 8% Asia 8% Latin America 7% $0.13 $0.68 $0.82 $1.00 $1.31 $1.80 $1.96 $2.13 2009 2010 2011 2012 2013 2014 2015 2016 2016 Revenue by Geography 2016 Revenue by End Market Appliance 5% Building & Construction 11% Consumer 11% Electrical & Electronics 5% Healthcare 11% Industrial 15% Packaging 12% Textiles 2% Transportation 19% Wire & Cable 9% Adjusted Earnings Per Share Performance Products & Solutions 19% PolyOne Distribution 31% Designed Structures & Solutions 11% Specialty Engineered Materials 16% Color Additives and Inks 23% 6 POLYONE CORPORATION Returning Cash to Shareholders $0.16 $0.20 $0.24 $0.32 $0.40 $0.48 $0.54 $0.10 $0.20 $0.30 $0.40 $0.50 $0.60 2011 2012 2013 2014 2015 2016 2017 Annual Dividend*  Since 2011, we have returned nearly $850 million to shareholders  $150 million returned through dividends  $697 million returned through share repurchases $697M $0 $150 $300 $450 $600 $750 2011 2012 2013 2014 2015 2016 Cumulative Share Repurchases (in millions) *Initiated in 2011 7 POLYONE CORPORATION 2% 43% 79% 0% 20% 40% 60% 80% 100% 2005 2010 2016 % o f O pe ra tin g In co m e* *Operating Income excludes corporate charges and special items Specialty OI $5M $87M $273M Mix Shift Highlights Specialty Transformation Specialty = ROS > 10% JV’s Performance Products & Solutions Specialty Distribution 8 POLYONE CORPORATION 2006 2016 2020 “Where we were” “Where we are” Platinum Vision Operating Income % of Sales Color, Additives & Inks 1.7% 16.0% 20%+ Specialty Engineered Materials 1.1% 14.3% 20%+ Performance Products & Solutions 5.5% 11.1% 12 – 14% Distribution 2.6% 6.4% 6.5 – 7.5% Designed Structures & Solutions N/A -0.9% 8 – 10% ROIC* 5.0% 12.9% 15% Proof of Performance & 2020 Platinum Vision *ROIC is defined as TTM adjusted OI after tax divided by the sum of average debt and equity less cash over a 5 quarter period Consistently Deliver Double Digit Annual EPS Growth POLYONE CORPORATION 9 2,883 2,538 2006 2016 Volume (lbs in millions) -12% $103 $200 2006 2016 Commercial, R&D and Marketing Spending ($M) +95% $88 $317 2006 2016 Adjusted Operating Profit ($M) +263% Ours is Not a Cost Cutting Story 10 POLYONE CORPORATION Innovation Drives Earnings Growth *Specialty Platform revenue from products introduced in last five years $20 $54 2006 2016 Research & Development Spending ($ millions) Specialty Platform Vitality Index Progression* 14% 33% 2006 2016 CAI & SEM Gross Margin 12% 42% 2006 2016 Target ≥ 35% Innovation Pipeline Potential 11 POLYONE CORPORATION Primary Industries Served 2016 Revenue: $3.3 Billion Electrical & Electronic 5% Building & Construction 11% Appliance 5% Industrial 15% Wire & Cable 9% Healthcare 11% Consumer 11% Packaging 12% Transportation 19% Focus End Markets 12 POLYONE CORPORATION Therma-Tech™ & Sheet GEON™ Vinyl Polymer Colorants Therma-Tech™ TPE’s & Film TPE + OnForce™ Gravi-Tech™ Page 12 Film Target End Markets… Healthcare 13 POLYONE CORPORATION Sound & Vibration Management Fuel Handling Systems Interior & Exterior Trim Structural Braces & Brackets Interior Structural Components Lighting Air management Electronics & Cameras Fluid Handling Target End Markets… Automotive Underhood Components Roof Systems 14 POLYONE CORPORATION PreservaPak™ OnColor™ Smart Batch™ VersaFlex™ TPE Cap Liner ColorMatrix™ Amosorb™ Oxygen Scavenger ColorMatrix™ Ultimate™ UV Light Barrier OnCap™ Laser Marking Additives Target End Markets… Packaging 15 POLYONE CORPORATION Source: Outdoor Industry Association TPE Vibration Dampening (SEM/GLS) TPE + OnForce (SEM) OnForce (SEM) Advanced Composites (SEM) TPE Vibration Dampening (SEM/GLS) Thermoplastic Elastomers (SEM) Advanced Composites (SEM) Polymer Colorants (CAI) Sheet (DSS) TPE & Film (SEM + DSS) Advanced Composites (SEM) Polymer Colorants (CAI) Thermatech (SEM) Thermoplastic Elastomers (SEM) TPE + OnForce (SEM) OnForce (SEM) Target End Markets… Consumer 16 POLYONE CORPORATION Free Cash Flow and Strong Balance Sheet Fund Investment / Shareholder Return  Expanding our sales, marketing, and technical capabilities  Investing in operational and LSS initiatives  ~60 - 70% of capital expenditures fund growth initiatives Organic Growth Acquisitions Share Repurchases Dividends  Targets that expand our: • Specialty offerings • End market presence • Geographic breadth  Growth synergies  Adjacent material solutions  Repurchased 1.2 million shares in Q4 2016  Repurchased 18.8 million shares since early 2013  8.5 million shares are available for repurchase under the current authorization  Increased annual dividend by 12.5% to $0.54 per share, representing the sixth consecutive year of dividend growth POLYONE CORPORATION 17 The New PolyOne: A Specialty Growth Company Why Invest In PolyOne?  Addressable market exceeds $40 billion  Strong performance demonstrates that our strategy and execution are working  Megatrends and emerging opportunities align with strengths  Innovation and services provide differentiation, incremental pricing power and competitive advantage  Strategic balance between reinvestment for growth and returning cash to shareholders  Strong and proven management team driving growth and performance 18 POLYONE CORPORATION Segment Highlights POLYONE CORPORATION 19 2016 Revenue: $0.8 Billion At a Glance: Color, Additives & Inks Key Applications 2016 Revenue by Industry Expanding Profits 1.7% 4.6% 5.1% 5.5% 7.2% 8.1% 9.7% 12.2% 14.7% 16.7% 16.0% 20%+ 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2020 Operating Income % of Sales Platinum Vision United States 45% Europe 33% Asia 15% Latin America 5% Canada 2% Packaging 30% Industrial 15% W & C 10% B & C 10% Textiles 9% Transportation 9% Consumer 7% Healthcare 6% Appliance 2% E & E 2% POLYONE CORPORATION 20 2016 Revenue: $0.6 Billion At a Glance: Specialty Engineered Materials 2016 Revenue by Industry Expanding Profits 1.1% 1.3% 3.4% 5.1% 9.6% 8.0% 8.6% 9.3% 12.1% 14.7% 14.3% 20%+ 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2020 Operating Income % of Sales Platinum Vision Consumer 19% Transportation 19% E & E 15% W & C 15% Healthcare 11% Industrial 8% Packaging 7% Appliance 3% B & C 3% United States 51% Europe 27% Asia 20% Canada 2% Key Applications POLYONE CORPORATION 21 2016 Revenue: $0.4 Billion At a Glance: Designed Structures & Solutions 2016 Revenue by Industry Expanding Profits 1.4% 5.6% 7.3% 3.0% 8-10% -0.9% 2012 2013 2014 2015 2016 2020 Operating Income % of Sales Platinum Vision Transportation 27% Industrial 21% Packaging 21% B & C 11% Healthcare 8% Consumer 8% Appliance 3% E & E 1% Key Applications United States 95% Canada 5% http://www.google.com/url?

ECCOH™ LSFOH LOW SMOKE AND FUME, NON-HALOGEN PROCESSING GUIDE To learn more about ECCOH wire and cable solutions, contact us at +1.844.4AVIENT (1-844.428.4368) www.avient.com General Extrusion Guidelines ECCOH™ compounds are thermoplastic polyolefin-based low smoke and fume, non-halogenated systems. EXTRUDER Screw 3/4" to 6" Polyethylene type—Single flight, no mixing section, 1.5–2:1 compression ratio Tooling Semi-Pressure type: 30°–40° angle Die On size with 1/8" or less land L/D 24:1 recommended Screen Pack No screen pack (Optional depending on pressure) Cooling Trough 120–150°F (50–65°C) recommended Feeder Gravimetric type preferred—3 compartment for cross-linked Dryer Desiccant type, 4 hours at 160°F (70°C) For ECCOH™ compound only; never put Dry Silane in Dryers PROCESSING Temperature ECCOH 5000 Series ECCOH 6000 Series Wire Preheat 180–250°F (80–120°C) 180–250°F (80–120°C) Feed Zones 200°F (93°C) 275°F (135°C) Transition 275°F (135°C) 325°F (163°C) Metering 300°F (150°C) 375°F (190°C) Head/Die 330°F (165°C) 420°F (215°C) Target Melt 330–340°F (165–170°C) 420–440°F (215–225°C) Flame at Die Tip Yes—as needed Line Speed Shear sensitive: Observe Melt Temperature, Motor Amperage, and Pressure Purge Compound HDPE Copyright © 2020, Avient Corporation.

Nikrant Page 67 United States 36% Europe 36% Canada 2% Asia 20% Latin America 2011 Revenue: $0.6 Billion2011 Revenue: $0.6 Billion SolutionsSolutions At a Glance Appliance 6% Building & Construction 3% Wire & Cable 14% Electrical & Electronics 14%Consumer 21% Packaging 5% Industrial 8% Misc. 3% HealthCare 5% Transportation 21% America 6% 2011 Revenue by Industry Segment2011 Revenue by Industry Segment 1.1% 1.3% 3.4% 5.1% 9.6% 8.0% 12-16% 2006 2007 2008 2009 2010 2011 2015 Operating Income % of Sales Target Expanding ProfitsExpanding Profits Page 68 Value Proposition • GSEM is a global leader providing complete specialty solutions encompassing innovative technologies and services to enable customer success Transformation Highlights • Dramatic turnaround of the Engineered Materials business through mix improvement and specialty focus Value Proposition and Transformation Highlights improvement and specialty focus • GLS acquisition successfully integrated, having more than doubled earnings in 3 years • PolyOne culture and strategy now engrained worldwide • Expansion into healthcare with dedicated resources > $15B Addressable Market Page 69 • Polymer design, formulation and service expertise • Broad, global technology base and regional centers of excellence • Ten innovation centers around the world Key Differentiators • Ten innovation centers around the world • Specialty brand leadership with PolyOne, GLS, NEU and ECCOH • Ability to leverage global key account team Page 70 From Volume Commodity-driven product portfolio To Value Specialty technology and solutions EM North America Transformation Volume Sales Gross Margin $ Mix Transformation – Executing the Strategy 2006 2011 2006 2011 2006 2011 Page 71 $12 $29 Operating Income ($ in millions) • Provided access to new customers in specialized, high-growth markets such as healthcare and consumer • Strategic partner to many of the world’s best-known companies GLS Integration Success 16.9% 8.2% 2007 2011 2007 2011 Working Capital % of Sales • Complementary global footprint provided additional cross-selling opportunities • Opportunity to expand margins and drive working capital improvement while remaining customer-focused Page 72 $1.3 $27.6 2006 2011 Healthcare Revenue • Investment in dedicated healthcare team to drive penetration and growth • Leverage product portfolio globally & win specialty business Areas of Focus $10.5 $117.9 2006 2011 Consumer Revenue 2006 2011globally & win specialty business in targeted markets • Aggressively commercialize specialty innovation platforms • Utilize our innovation centers to influence OEM design (Revenue in $ millions) Page 73 • Carbon Nanotube Formulations � Applications: Semiconductor equipment, hard drives � Customer benefits: Scrap cost reduction and clean conductivity • Thermally Conductive Solutions Applications: Sockets and bulb holders for LED lighting Key Innovations � Applications: Sockets and bulb holders for LED lighting � Customer benefits: Cost reduction, energy saving, and design flexibility • FDA-Regulated TPEs � Applications: Food packaging seals, intravenous delivery systems, medical stoppers, prefilled syringes � Customer benefits: Clean and safe elastomers for highly regulated applications Page 74 Critical Imperatives and 2015 Goal Critical Imperatives • Commercialize critical new technology platforms • Manage the mix as we continue to drive the transformation • Global translation of commercial successes 2015 Goal • 12 - 16% return on sales Page 75 Page 76

Avient Wire & Cable Industry Bulletin Overview of how Avient serves wire & cable customers, highlighting both power and data cables technologies

Avient Wire & Cable Industry Bulletin Overview of how Avient serves wire & cable customers, highlighting both power and data cables technologies