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

Sales EBITDA Specialty Engineered Materials Color Additives and Inks $585M$3,635M (1) Transportation 9% Healthcare 8% 23 C O L O R , A D D I T I V E S & I N K S 2022 REVENUE | $2 .3 B ILL ION US & Canada 35% EMEA 40% Asia 20% Latin America 5% END MARKET REGION 24 Packaging 33% Consumer 22% Healthcare 9% Industrial 15% Transportation 8% Building & Construction 11% Telecommunications 1% Energy 1% Figures represent 2022 full year estimates S P E C I A LT Y E N G I N E E R E D M AT E R I A L S 2022 PRO FORMA REVENUE | $1 .3 B ILL ION END MARKET US & Canada 50% EMEA 35% Asia 15% REGION 25 Figures represent 2022 full year estimates Packaging 5% Consumer 19% Healthcare 8%Industrial 16% Transportation 10% Telecommunications 10% Energy 9% Defense 15% Building & Construction 8% Packaging 31% Consumer 28% Healthcare 8% Industrial 13% Building & Construction 5% Telecommunications 3% Energy 2% Defense 1% Asia (20% of sales) Transportation 9% 2022 PROFORMA AVIENT REGIONAL SALES BY END MARKET Packaging 29% Consumer 13% Healthcare 5% Industrial 17% Building & Construction 11% Energy 5% Defense 7% EMEA (35% of sales) Transportation 10% Packaging 14% Consumer 23% Healthcare 11% Industrial 15% Building & Construction 12% Energy 5% Defense 7% US & Canada (40% of sales) Transportation 7% Packaging 49% Consumer 22% Healthcare 8% Industrial 9% Building & Construction 6% Telecommunications 1% LATAM (5% of sales) Transportation 5% Telecommunications 3%Telecommunications 6% Figures represent 2022 full year estimates Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except for per share data) 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.

Additionally, Adjusted EPS excludes the impact of special items and amortization expense associated with intangible assets. 2 O P E N I N G RE MARK S B O B P A T T E R S O N C H A I R M A N , P R E S I D E N T A N D C E O Complementary technologies and customer relationships offer opportunity to advance commercial strategy Dyneema®, the world’s strongest fiber™, to accelerate growth of sustainable, ultralight and high performance applications AVIENT PROTECTIVE MATERIALS FIRST YEAR 4 Composites comprises over half of Specialty Engineered Materials, compared to 9% in 2016 Proven history of success in areas such as outdoor high performance, defense and sustainable solutions Composites 44% 56% 2023E Sales Collaboration & InnovationComposites as a % of SEM People & Culture Talented, passionate, and creative associates drive continued integration success and allow two cultures to come together as one Avient Lightweight Protective Laminates: PROJECTILE PROTECTION Dyneema® Fiber Solutions Cushioning + Fit + Comfort: LONG-TERM WEAR reSound™ Versaflex™ Thermoplastic Elastomers Strength + Durability + Light-Weighting: SOLID MOUNTING BRACKETS Nymax™ Bergamid™ Complēt™ Engineered Materials Durability + Lubricity: HELMET LATCHES Lubri-One™ Internally Lubricated Polymers Color Consistency and Weatherability CUSTOMIZED SPECIFICATIONS Avient Color and Additive Solutions Antennae Performance FAST, RELIABLE CONNECTIONS PREPERM™ Low-Loss Dielectric Thermoplastics AVIENT PROTECTIVE MATERIALS CROSS SELLING OPPORTUNITIES Wired Connections CONSTANT COMMUNICATION Syncure™ Cross-linkable Wire & Cable Formulations5 6 AVIENT PROTECTIVE MATERIALS CROSS SELLING OPPORTUNITIES 6 Q 3 P E RFO RMAN CE 15.4% 16.3% 2022 PF 2023 Results vs.

All Rights Reserved 2025 4 Key Messages Avient is evolving to its next phase as an innovator of materials solutions to help our customers succeed, while enabling a sustainable world Our primary focus is on organic revenue growth and margin expansion ► intersect secular trends and high growth markets with our technologies ► build businesses in high growthcatalyze growth in our core markets ► hybridization Our strategy is enabled and driven by our focus on (a) portfolio prioritization, (b) amplifying innovation, (c) digital for operational excellence and growth, and (d) leadership, talent and culture for the Avient of the future Copyright © . All Rights Reserved 2025 Avient 2024 sales BUSINESS SEGMENTS END MARKETS REGIONS 63% 37% S E M C AI 23% 20% 15% 10% 10% 8% 7% 4% 3% Packaging Telecom Energy Defense Healthcare Building & construction Transportation Industrial Consumer 41% 35% 18% 6% US & Canada Latin America Asia Europe, Middle East and Africa 24Copyright © .

Base Resin ABS PA PBT PC PE PEEK PP PPS Barrel Temperatures °F (°C) Rear Zone 400–475 (200–250) 480–540 (248–282) 480–520 (250–270) 480–570 (250–300) 400–445 (200–230) 660–700 (350–475) 400–440 (200–225) 520–600 (270–300) Center Zone 410–480 (205–253) 490–550 (254–287) 485–525 (251–273) 500–580 (260–305) 410–455 (207–237) 670–710 (357–385) 410–450 (205–230) 550–610 (285–310) Front Zone 420–490 (210–257) 500–560 (260–293) 490–530 (254–276) 515–590 (267–310) 420–465 (213–243) 680–720 (363–400) 420–455 (215–235) 570–620 (300–320) Nozzle 425–500 (215–260) 510–570 (265–298) 490–540 (254–282) 530–600 (275–315) 430–475 (220–250) 700–730 (370–395) 430–460 (220–240) 610–620 (320–325) Melt Temperature 425–515 (215–270) 510–570 (265–298) 490–540 (254–282) 530–615 (275–325) 430–495 (220–260) 700–725 (370–385) 430–475 (220–250) 610–635 (320–335) Mold Temperature 140–200 (60–90) 150–300 (65–148) 140–280 (60–137) 160–240 (70–115) 80–140 (25–60) 300–400 (150–200) 80–140 (25–60) 190–300 (90–150) Drying Parameters 190 (90) 2–4 Hours 0.01%–0.15% 180 (82) 4–5 Hours 0.10%–0.20% 275 (135) 3–4 Hours 0.02%–0.04% 250 (125) 3–4 Hours 0.02% 160 (70) 2 Hours 300 (150) 3–4 Hours 0.10% 160 (70) 2 Hours 280 (135) 2–3 Hours 0.01%–0.20% Nozzle Type General Purpose Nylon or Reverse Taper General Purpose General Purpose General Purpose General Purpose General Purpose General Purpose Injection Velocity1 2–5 in/sec; 50–127 mm/sec Injection Pressure Medium to high (may range from 1,000–4,000 psi; 7-28 Mpa) Back Pressure 50–100 psi; 0.3–0.7 Mpa Screw Speed 25–75 RPM Cushion 0.125–0.250 in; 3–6 mm Screw Compression Ratio2 2.0:1–2.5:1 Processing Guide 3 Base Resin ABS PA PBT PC PE PEEK PP PPS Barrel Temperatures °F (°C) Rear Zone 400–475 (200–250) 480–540 (248–282) 480–520 (250–270) 480–570 (250–300) 400–445 (200–230) 660–700 (350–475) 400–440 (200–225) 520–600 (270–300) Center Zone 410–480 (205–253) 490–550 (254–287) 485–525 (251–273) 500–580 (260–305) 410–455 (207–237) 670–710 (357–385) 410–450 (205–230) 550–610 (285–310) Front Zone 420–490 (210–257) 500–560 (260–293) 490–530 (254–276) 515–590 (267–310) 420–465 (213–243) 680–720 (363–400) 420–455 (215–235) 570–620 (300–320) Nozzle 425–500 (215–260) 510–570 (265–298) 490–540 (254–282) 530–600 (275–315) 430–475 (220–250) 700–730 (370–395) 430–460 (220–240) 610–620 (320–325) Melt Temperature 425–515 (215–270) 510–570 (265–298) 490–540 (254–282) 530–615 (275–325) 430–495 (220–260) 700–725 (370–385) 430–475 (220–250) 610–635 (320–335) Mold Temperature 140–200 (60–90) 150–300 (65–148) 140–280 (60–137) 160–240 (70–115) 80–140 (25–60) 300–400 (150–200) 80–140 (25–60) 190–300 (90–150) Drying Parameters 190 (90) 2–4 Hours 0.01%–0.15% 180 (82) 4–5 Hours 0.10%–0.20% 275 (135) 3–4 Hours 0.02%–0.04% 250 (125) 3–4 Hours 0.02% 160 (70) 2 Hours 300 (150) 3–4 Hours 0.10% 160 (70) 2 Hours 280 (135) 2–3 Hours 0.01%–0.20% Nozzle Type General Purpose Nylon or Reverse Taper General Purpose General Purpose General Purpose General Purpose General Purpose General Purpose Injection Velocity1 2–5 in/sec; 50–127 mm/sec Injection Pressure Medium to high (may range from 1,000–4,000 psi; 7-28 Mpa) Back Pressure 50–100 psi; 0.3–0.7 Mpa Screw Speed 25–75 RPM Cushion 0.125–0.250 in; 3–6 mm Screw Compression Ratio2 2.0:1–2.5:1 Comments 1.

Utilize existing molds – Replace current ABS solutions with low shrinkage PP grades and utilize your existing molds GT5200- 0013 GT7300- 0006 GT7300- 0010 PVD 2.0 GT5200- 0016 PVD 3.0 GT5200- 5025 GT7300- 5020 NATURAL FD GT5200- 5009 BLACK SO FD GT5200- 5044 GT5200- 5016 X2 BLACK FD GT7300- 5007 X1 WHITE FD GT7300- 5003 BLACK FD GT5200- 5003 BLACK FD GRV PP- 030-IO BLACK FD GT5200- 5068 X2 BLACK FD GT5200- 5009 X5 BLACK SO GT7300- 5021 NATURAL FD GT7300- 5003 BLACK FD GT5200- 5003 BLACK FD GRV PP- 030-IO BLACK FD CI GT5200- 5089 NATURAL C GT5200- 5082 BLACK Specific Gravity* 2 2 2 3 1.25 1.6 1.85 2 2 2.2 2.5 2.5 3 1.20 1.90 2.2 2.50 2.50 3.0 1.20 1.20 Electroplating No Yes Possibly Possibly Possibly Yes Yes Yes No Possibly Possibly Yes No Yes Yes Yes Not tested Not tested Not tested Yes Yes Physical Vapor Deposition (PVD)/Vacuum Metallization Possibly Possibly Yes Yes Possibly Possibly Possibly Possibly Yes Yes Yes Yes Yes Possibly Possibly Possibly Yes Yes Yes Possibly Possibly Base Resin PP ABS ABS PP PP ABS PP PP PP ABS ABS PP PP PP PP ABS ABS PP PP rPP (ocean bound) rPP (PCR) Base Color White Black Grey Black Natural Natural Black Beige Black White Black Black Black Black Black Natural/ Beige Black Black Black Natural Black FDA Compliant* Yes Yes Yes Yes No Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No Filled Mineral Mineral Mineral Metallic Mineral Mineral Mineral Mineral Metallic Mineral Metallic Metallic Metallic Mineral Mineral Mineral Metallic Metallic Metallic Mineral Mineral Region Produced North America North America North America North America Europe Europe Europe Europe Europe Europe Europe Europe Europe Europe Europe Europe Europe Europe Europe Europe Europe Copyright © 2024, Avient Corporation.

AT 20-17 1 Avis Technique – Tri Détectabilité et tri de la solution colorante AVIENT CORPORATION / CESA® IR PE 94000828 les centres de tri D E S C R IP TI O N D E L A D E M A N D E GENERALITES Demandeur Avient Corporation Date de la demande 2020 Référence de la solution colorante CESA® IR PE 94000828 Limite max de concentration de la solution colorante 4% DESCRIPTION DE LA SOLUTION COLORANTE Couleur Noire Solution colorante adaptée pour : Emballages rigides en PE OBJET DE LA DEMANDE Etude de la détectabilité dans les centres de tri français de la solution colorante CESA® IR PE 94000828 proposée par Avient Corporation et utilisée pour colorer des emballages rigides en PE.

AT 20-18 1 Avis Technique – Tri Détectabilité et tri de la solution colorante AVIENT CORPORATION / CESA® IR PE 94000816 dans les centres de tri D E S C R IP TI O N D E L A D E M A N D E GENERALITES Demandeur Avient Corporation Date de la demande 2020 Référence de la solution colorante CESA® IR PE 94000816 Limite max de concentration de la solution colorante 4% DESCRIPTION DE LA SOLUTION COLORANTE Couleur Noire Solution colorante adaptée pour : Emballages rigides en PE OBJET DE LA DEMANDE Etude de la détectabilité dans les centres de tri français de la solution colorante noire CESA® IR PE 94000816 proposée par Avient Corporation et utilisée pour colorer des emballages rigides en PE.

AT 20-19 1 Avis Technique – Tri Détectabilité et tri de la solution colorante AVIENT CORPORATION / CESA® IR PP 94000725 dans les centres de tri D E S C R IP TI O N D E L A D E M A N D E GENERALITES Demandeur Avient Corporation Date de la demande 2020 Référence de la solution colorante CESA® IR PP 94000725 Limite max de concentration de la solution colorante 4% DESCRIPTION DE LA SOLUTION COLORANTE Couleur Noire Solution colorante adaptée pour : Emballages rigides en PP OBJET DE LA DEMANDE Etude de la détectabilité dans les centres de tri français de la solution colorante noire CESA® IR PP 94000725 proposée par Avient Corporation et utilisée pour colorer des emballages rigides en PP.

埃万特公司，上海浦东金桥经济开发区金苏路 200 号 C 幢 2 楼，202106