An example of a hot runner system with a valve gate is shown in Figure 19. 19 Figure 19. See Regrind Hard formulations, 28 Hold time, 26 Hot runner systems, 17–20 Hot sprue bushings, 8 Hot tip gates, 19–20 Injection pressure, 26 Injection speed, 25 Injection time, 26 Machine selection, 21 Manifold design, 18 Mold cooling, 17 Mold finish, 7 Mold surface, 7 Mold temperatures, 24 Mold texture, 7 Mold types, 6 Nozzle selection, 22 Overmolding,20 Overpacking, 27 Part ejection, 17 Purging, 23 Radii/fillets, 4 Regrind, 23 Runner balance, 10–11 Runner keepers, 13 Screw position, 26 Screw rpm, 25 Screw selection, 22 Shear dependence, 3 Shear rate, effect on viscosity, 3 Shot size, 25 Shrinkage, 5 Soft formulations, 27 Spiral flow, 4 Sprue design, 8 Sprue gates, 15 Sprue puller design, 8–10 Steel selection, 6–7 Submarine gates, 14 Sucker pins. See Submarine gates Undercuts, 5 Underpacking, 27 Valve gates, 18–19 Vent size and depth, 16 Venting, 16 Wall thickness, 4 TPE Cover TPE Injection Molding Guide Blank Page

PolyOne Corporation Investor Day 2012 CFA Society Cleveland Midwest Investment Conference 2013 PolyOne Investor Presentation November 19, 2013 • 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. Average Debt Q3 2012 Q4 2012 Q1 2013 Q2 2013 Q3 2013 Average PolyOne Debt $ 705.2 $ 706.9 $ 1,055.5 $ 1,031.2 $ 987.7 $ 897.3 Average Equity Q3 2012 Q4 2012 Q1 2013 Q2 2013 Q3 2013 Average PolyOne shareholders’ equity $ 629.3 $ 629.1 $ 871.8 $ 993.9 $ 996.6 $ 824.1 Reconciliation to Condensed Consolidated Balance Sheets YTD 2013 Short-term debt and current portion of long-term debt $ 9.9 Long-term debt 977.8 Less cash and cash equivalents (322.8) Net debt $ 664.9 Adjusted EBITDA Q4 2012 Q1 2013 Q2 2013 Q3 2013 Total PolyOne Income before income taxes $ (1.1) $ 15.7 $ 62.9 $ 38.8 $ 116.3 PolyOne Interest expense, net 13.7 15.6 16.6 16.0 61.9 PolyOne Depreciation and amortization 15.5 19.0 25.8 30.3 90.6 PolyOne Special items in EBITDA 26.5 27.7 (5.2) 11.2 60.2 PolyOne Adjusted EBITDA 54.6 78.0 100.1 96.3 329.0 Pro forma Spartech EBITDA 14.7 11.2 - - 25.9 Pro forma EBITDA $ 69.3 $ 89.2 $ 100.1 $ 96.3 $ 354.9 CFA Society Cleveland �Midwest Investment Conference 2013��PolyOne Investor Presentation �November 19, 2013� Forward – Looking Statements Use of Non-GAAP Measures Strategy and Execution Drive Results PolyOne�At A Glance Mix Shift Highlights Specialty Transformation Proof of Performance & 2015 Goals Innovation Drives Earnings Growth We are Experts in Polymer Science and Formulation Positioned for Strong Growth Q3 2013 Financial Highlights Debt Maturities & Liquidity Summary – 9/30/13 Use of Cash Why Invest In PolyOne?

PRIOR YEAR $790 $710 2022 2023 $107 $112 2022 2023 Sales Adjusted EBITDA $0.42 $0.47 2022 PF 2023 Adjusted EPS - 10% + 5% + 12% Sales Adjusted EBITDA Adjusted EPS 12 $112 $500 $0.47 $2.30 Q4 AND FULL YEAR 2023 GUIDANCE $710 $3,130 Sales Adjusted EBITDA Adjusted EPS 13 (in millions) (in millions) Guidance: Free Cash Flow $180 $180 Prior Guidance Guidance FREE CASH FLOW & INCREASED DIVIDEND 13th Consecutive Dividend Increase 0.16 0.26 0.42 0.58 0.79 0.85 0.99 1.03 2011 2013 2015 2017 2019 2021 2023 2024 14 S U S TAI NABI L I T Y DAY RE CAP SUSTAINABILITY AS A GROWTH DRIVERLONG-TERM REVENUE GROWTH DRIVERS 60%+ Key Growth Drivers Sustainable Solutions Composites, Healthcare, Asia / LATAM Overlap Other (GDP Growth) Total Company Revenue Growth Drivers Long-Term Growth Rate Sustainable Solutions 8–12% Composites 8–10% Healthcare 8–10% Asia / LATAM 5% Other (GDP growth) 0–2% Avient 6% 17 SUSTAINABILITY TRENDS DRIVE LONG-TERM GROWTH 8-12% Long Term Growth 50 90 2022 2030 Medical Plastics Market Size (in $Billions) 2020 2030 Recycled Plastics Virgin Plastics Growing Demand for Recycled Content Avient Sustainable Solutions 18 46 2023 2032 Global Offshore Annual Wind Installations (in Gigawatts) Sources: McKinsey, Bloomberg, Grand View Research SUSTAINABILITY TRENDS DRIVE LONG-TERM GROWTH 18 • Transformative acquisitions combined with divestitures of more cyclical businesses have improved margins over 400 bps since 2018 • 20% long-term margin goal to be driven by key growth drivers, with sustainable solutions playing a meaningful role 5.4% 11.5% 16.0% 2006 2018 2023E Recovery Growth Drivers Strategic Objective 20%+ +1%+ +3%+ ADJUSTED EBITDA MARGIN EXPANSION 19 • 6% annualized long-term sales growth leveraging sustainable solutions, composites, healthcare, and emerging regions • Expand EBITDA margins to 20% • Deliver annual EBITDA and EPS growth of 10% and 15% • Maintain asset-light, 80% free cash flow conversion profile and be valued as a specialty formulator • Continue fostering our Great Place to Work® culture CREATING A WORLD-CLASS SUSTAINABLE ORGANIZATION 20 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. Three Months Ended September 30, 2023 Three Months Ended September 30, 2022 Reconciliation to Condensed Consolidated Statements of Income: $ EPS $ EPS Net income (loss) from continuing operations attributable to Avient shareholders $ 5.1 $ 0.06 $ (27.4) $ (0.30) Special items, after tax 32.0 0.35 68.3 0.75 Amortization expense, after-tax 15.2 0.16 $ 13.4 $ 0.14 Adjusted net income / EPS $ 52.3 $ 0.57 $ 54.3 $ 0.59 September 30, Reconciliation to EBITDA and Adjusted EBITDA: 2023 2022 Sales - GAAP $ 753.7 $ 823.3 Pro Forma APM adjustments — 60.7 Pro forma adjusted sales $ 753.7 $ 884.0 Net income from continuing operations – GAAP $ 5.1 $ (27.8) Income tax (benefit) expense (0.1) (1.2) Interest expense, net 30.3 37.3 Depreciation and amortization 46.4 39.8 EBITDA from continuing operations $ 81.7 $ 48.1 Special items, before tax 43.2 82.0 Interest expense included in special items (2.2) (10.0) Depreciation and amortization included in special items — (0.8) Adjusted EBITDA $ 122.7 $ 119.3 Pro forma APM adjustments — 17.2 Pro forma adjusted EBITDA $ 122.7 $ 136.5 Pro forma adjusted EBITDA as a % of sales 16.3 % 15.4 % 1 Year Ended December 31, Reconciliation to EBITDA and Adjusted EBITDA: 2006 2018 Sales $ 2,622.4 $ 3,533.4 Net income from continuing operations – GAAP $ 133.5 $ 160.8 Income tax expense 29.7 36.4 Interest expense, net 63.1 62.8 Depreciation and amortization 57.1 91.5 EBITDA from continuing operations $ 283.4 $ 351.5 Special items, before tax (34.0) 59.5 Depreciation and amortization included in special items — (3.0) JV - equity income (107.0) — Adjusted EBITDA $ 142.4 $ 408.0 Adjusted EBITDA as a % of sales 5.4 % 11.5 % Reconciliation to EBITDA and Adjusted EBITDA: December 31, 2022 Net loss from continuing operations – GAAP $ (16.6) Income tax benefit (60.8) Interest expense, net 49.4 Depreciation and amortization 48.6 EBITDA from continuing operations $ 20.6 Special items, before tax 104.3 Interest expense included in special items (16.0) Depreciation and amortization included in special items (1.5) Adjusted EBITDA $ 107.4 Reconciliation of Pro Forma Adjusted Earnings per Share: Three Months Ended December 31, 2022 Net loss from continuing operations attributable to Avient shareholders $ (17.0) Special items, after tax 38.3 Amortization expense, after-tax 14.6 Adjusted net income from continuing operations excluding special items 35.9 Pro forma adjustments* 2.5 Pro forma adjusted net income from continuing operations attributable to Avient shareholders $ 38.4 Weighted average diluted shares 91.7 Pro forma adjusted EPS - excluding special items pro forma for APM acquisition $ 0.42 * Pro forma adjustment to reflect APM results for the period before Avient ownership including the impacts of debt financing and paydown of debt with net proceeds from the Distribution sale. 2 AVNT Q3 2023 Earnings Presentation Avient corporation�Third quarter 2023 results DISCLAIMER Slide Number 3 Avient protective materials �First Year Slide Number 5 Slide Number 6 Slide Number 7 Slide Number 8 Slide Number 9 Slide Number 10 Slide Number 11 Slide Number 12 Slide Number 13 Slide Number 14 Slide Number 15 Slide Number 16 Slide Number 17 Slide Number 18 Slide Number 19 Slide Number 20 Slide Number 21 IR Deck - AVNT-2023.09.30 Non GAAP Recs Attachment

บุคลากรของ Avient ควรตระหนักถึงกฎหมายต่างประเทศ และระเบียบข้อบังคับในพื้ นท่ี ท่ี มีการต่อต้านการผูกขาด อยู่เสมอ แผนกงานหรอืบรษัิทในเครอืที่ดำ�เนินธุรกิจนอก สหรฐัอเมรกิาตอ้งรบัรูแ้ละปฏิบัตติามกฎหมายตา่งประเทศ กฎ หรอืข้อบังคบัที่เกี่ยวข้องในการดำ�เนินธุรกิจในตา่งประเทศนอก เหนือจากการปฏิบัตติามคูม่ือการป้องกันการผูกขาดของบรษัิท 19. Francisco Nakasato, 1700 13295-000 Itupeva Sao Paulo, Brazil โทรศพัท:์ +55 11 4593 9200 ยโุรป Regional Headquarters Pommer- loch, Luxembourg 19 Route de Bastogne Pommerloch, Luxembourg, L-9638 โทรศพัท:์ +352 269 050 35 โทรสาร +352 269 050 45 https://www.avient.com คู่มือสําหรับการปฏิบัติตามกฎระเบียบ ภาพรวมของนโยบาย ภาพรวมของกฎหมายว่าด้วยการป้องกันการผูกขาดของสหรัฐอเมริกา การละเมิดกฎหมายว่าด้วยการป้องกันการผูกขาด พื้นที่ที่น่ากังวลเกี่ยวกับการป้องกันการผูกขาดที่อาจเกิดขึ้นได้ บทสรุป การรายงานการละเมิดที่อาจเกิดขึ้น สายด่วนจริยธรรมของ Avient การป้องกันจากการตอบโต้เอาคืน รายการตรวจสอบการป้องกันการผูกขาด การอ้างอิงด่วน: สิ่งที่ต้องกระทำและสิ่งที่ต้องไม่กระทำ

Offers high levels of stiffness and heat deflection performance. 51.866.POLYONE www.polyone.com Product Code - - - PP5210 A111 PP5220F A1 PP5230F 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 Break % ASTM D638 125 115 100 70 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 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 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 Break % ASTM D638 >400 >400 >400 200 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 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 Linear Shrinkage 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 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. Product Code - - - TP9000 A3 TP9110 A701-SM TP9120 B397 TP9120 A525-SM TP9130 A954 Reinforcement - - - Talc Talc Talc Talc Talc Reinforcement - % - 5 11 18 20 30 Specific 73°F (23°C) - ASTM D792 0.94 0.97 1.01 1.04 1.12 Tensile Yield psi ASTM D638 2400 3000 2750 3600 3450 MPa ISO 527 18 22 19 25 24 Tensile Yield % ASTM D638 12 6 5 4 8 Break % ASTM D638 >400 100 170 30 250 Flexural 73°F (23°C) psi ASTM D790 140,000 260,000 235,000 300,000 325,000 MPa ISO 178 1100 1800 1620 2000 2250 Notched 73°F (23°C) ft-lb/in ASTM D256 No Break 6 10 2 2.2 kJ/m2 ISO 180 68.0 36.0 53.0 11.0 12.0 -30°C ft-lb/in ASTM D256 1.5 1.2 1.3 0.7 0.8 kJ/m2 ISO 180 8.5 6.0 7.0 3.9 4.0 Heat 66 psi °F ASTM D648 160 208 205 220 218 °C ISO 75 83 98 96 110 105 264 psi °F ASTM D648 100 143 140 160 160 °C ISO 75 50 62 57 70 71 Multiaxial Impact @ 6.6 m/s 0°C ASTM D3763 100% Ductile 100% Ductile 100% Ductile -30°C ASTM D3763 100% Ductile 100% Ductile 8 91.866.POLYONE www.polyone.com Maxxam™ HST Filled Polypropylene with High Strength and Stiffness Maxxam™ LO Low Odor Talc-Filled Reinforced grades that provide exceptional levels of strength and stiffness.

DATI ANAGRAFICI Indirizzo Sede legale 9638 POMMERLOCH 19 ROUTE DE BASTOGNE . A CUXK0XMKM92D910207D0 estratto dal Registro Imprese in data 01/12/2021 Indice 1 Sede 2 Informazioni da statuto/atto costitutivo 3 Trasferimenti d'azienda, fusioni, scissioni, subentri 4 Attività, albi ruoli e licenze 5 Sedi secondarie ed unita' locali 6 Aggiornamento impresa 1 Sede Indirizzo Sede legale 9638 POMMERLOCH 19 ROUTE DE BASTOGNE .

Seller’s entire liability to Buyer for damages, whether under breach of warranty or any other cause whatsoever, and whether under the Contract as defined in clause 19. of these Terms and Conditions or otherwise, shall in no event exceed that part of the purchase price applicable to the portion of Product giving rise to Buyer’s claim for such damages. Within 10 (ten) days after receipt of such notice, Seller may exercise its right to terminate the order confirmation by giving Buyer written notice. 19.

TENSILE TENSILE FLEXURAL FLEXURAL COMPRESSIVE DENSITY lb/in3 (g/cm3) GLASS % ASTM Standard ASTM D3916/D638 ASTM D3916/D638 ASTM D4476/D790 ASTM D4476/D790 ASTM D695 ASTM D792 ASTM D2584 Glass Fiber 110-150 (750-1000) 5.5-7.0 (38-48) 100-130 (700-900) 5.5-6.5 (38-45) 60-110 (415-750) .068-.073 (1.9-2.0) 65-75 Carbon Fiber 405 (2800) 24 (165) 180 (1200) 21 (145) (1000) 0.058 (1.6) 75 Multiaxial Glass 45-60 (310-415) 2.6-3.5 (18-24) 65 (450) 2.1-2.7 (15-19) 40 (275) 0.066 (1.8) 45-55 STANDARD SIZES CONTINUOUS FILAMENT WOUND PROFILES This table represents examples of common continuous filament wound profile sizes.

Rocky River Drive Berea, OH 44017 Facility: Avient Corporation - Assesse, Belgium (CAI & SEM) 2 Rue Melville Wilson Assesse 5330 Belgium Activity: Liquid Colorants and Additives for Plastics Activity: "Design of color concentrates, precolors, and compounds for fluoropolymer and high temperature polymers, LSFOH (low smoke and fume, zero halogen compounds), and Specialty Compounds Manufacture of Color and Additive Concentrates and Specialty Compounds" Page 6 of 7 Facility: Avient Corporation - Aland (Odkarby), Finland Kroklundsvagen 346 Ödkarby AX-22320 Finland Facility: Avient Corporation - Bethel, CT 19 Francis J Clark Circle Bethel, CT 06801 Activity: Manufacture of colorants and compounds for fluoropolymer and high temperature polymers Activity: Design and Manufacture of colorants and compounds for fluoropolymer and high temperature polymers.

ROUTE DE BASTOGNE, nr 19, lok. ---, kod L-9638, poczta POMMERLOCH 4.Adres poczty elektronicznej ­­­­­­ 5.Adres strony internetowej ­­­­­­ Dział 2 Rubryka 1 ­ Organ uprawniony do reprezentowania zagranicznego przedsiębiorcy 1.Nazwa organu uprawnionego do reprezentowania podmiotu ZARZĄD 2.Sposób reprezentacji zagranicznego Z ZASTRZEŻENIEM USTAWODASTWA OBOWIĄZUJĄCEGO W WIELKIM KSIĘSTWIE LUKSEMBURGA ORAZ POSTANOWIEŃ STATUTU, SPÓŁKA REPREZENTOWANA JEST W SPOSÓB WAŻNY WOBEC OSÓB TRZECICH I WIĄŻĄCE DLA SPÓŁKI WOBEC OSÓB TRZECICHCH JEST : (1) W PRZYPADKU, GDY SPÓŁKA MA JEDNEGO ZARZĄDZAJĄCEGO, INDYWIDUALNE ZŁOŻENIE PODPISU PRZEZ JEDYNEGO ZARZĄDZAJĄCEGO; (2) W PRZYPADKU GDY SPÓŁKA MA WIĘCEJ NIŻ JEDNEGO (1) ZARZĄDZAJĄCEGO, INYWIDUALNE ZŁOŻENIE PODPISU PRZEZ DOWOLNEGO ZARZĄDZAJĄCEGO, JEDAKŻE POD WARUNKIEM, ŻE W PRZYPADKU, GDYBY MIANOWANO ZARZĄDZAJĄCYCH RÓŻNYCH KATEGORII ( A MIANOWICIE ZARZĄDZAJĄCYCH KATEGORII A I ZARZĄDZAJACYCH KATEGORII B), RÓWNIEŻ INDYWIDUALNE ZŁOŻENIE PODPISU PRZEZ DOWOLNEGO ZARZĄDZAJĄCEGO ( W TYM W DRODZE REPREZENTACJI); (3) INDYWIDUALNE ZŁOŻENIE PODPISU PRZEZ DOWOLNĄ OSOBĘ, KTÓRA ZOSTAŁA DO TEGO UPEŁNOMOCNIONA NA MOCY ARTYKUŁU 11.