EXTRUDER Screw 1" to 6" deep flighted metering screw 3:1 compression ratio Tooling Tubing type – zero land (for smaller sizes) Pressure type – for 1" size or larger Die Tubing type – low DDR Pressure type – short land L/D 24:1 or higher Screen Pack 20/40/20 Mesh Cooling Trough 120–150 °F (50–65 °C) recommended Dryer Hot air or desiccant type, 4 hours at 175–185 °F PROCESSING Temperature Wire Preheat None Feed Zones 290–300 °F Transition 320–340 °F Metering 340–350 °F Head/Die 350–365 °F Target Melt 350–365 °F Maximum Melt 390 °F Purge Compound HDPE www.avient.com Copyright © 2020, Avient Corporation.

Bob Patterson Chairman, President, and CEO August 1, 2020 SAFETY & HEALTH POLICY Avient Corporation believes safety and health are the highest corporate priority. Bob Patterson Chairman, President, and CEO August 1, 2020 Product Stewardship Policy Product Stewardship plays a significant role in Avient’s sustainable and ethical business practices. Bob Patterson Chairman, President, and CEO August 1, 2020

No. 0562.01) Revised 05/31/2022 Page 1 of 1 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 AVIENT CORPORATION 733 East Water Street North Baltimore, OH 45872 Claire Holman Phone: (419) 257-1327 MECHANICAL Valid To: 2023年10月31日 Certificate Number: 0562.01 In recognition of the successful completion of the A2LA evaluation process, accreditation is granted to this laboratory to perform the following automotive plastics tests: Test Method: Test Name: ASTM D412 Tensile ASTM D523 Specular Gloss ASTM D618 (A) Conditioning of Plastics ASTM D624 (Die C) Tear Strength ASTM D638 Tensile Properties ASTM D792 (A) Density and Specific Gravity by Displacement ASTM D1004 Initial Tear Resistance ASTM D1203 (A) Volatile Loss ASTM D1895 (A) Apparent Density, Bulk Factor, Pourability ASTM D1921 Particle Size (Sieve Analysis) ASTM D2240 Durometer Hardness (Shore A and D) ASTM E1331 Color by Spectrophotometry Using Hemispherical Geometry FMVSS 571.302 Flammability FORD BN-102-01 (A) Low Temperature Flexibility FORD BO-131-03 Interior Odor ISO 3795 Determination of Burning Behavior of Interior Materials SAE J323 (A) Cold Cracking (Mandrel Bend) SAE J1351 Hot Odor for Insulation Materials SAE J1545 Instrumental Color Difference Measurement SAE J1756 Fogging Characteristics of Interior Automotive Materials (Photometric Only) DOC-058151 Angle of Repose 1 Laboratory Developed Method For the tests to which this accreditation applies, please refer to the laboratory’s Mechanical Scope of Accreditation.

Czech Republic Branch Údaje platné ke dni: 3. prosince 2021 03:45 1/1 Výpis z obchodního rejstříku, vedeného Městským soudem v Praze oddíl , vložka A 78870 Datum vzniku a zápisu: 30. srpna 2018 Spisová značka: A 78870 vedená u Městského soudu v Praze Označení odštěpného závodu: Avient S.à r.l., Czech Republic Branch Sídlo: Pobřežní 620/3, Karlín, 186 00 Praha 8 Identifikační číslo: 074 10 026 Právní forma: Odštěpný závod zahraniční právnické osoby Předmět podnikání: Výroba, obchod a služby neuvedené v přílohách 1 až 3 živnostenského zákona Vedoucí odštěpného závodu:   LÁSZLÓ MEDNYÁNSZKY, dat. nar. 23. listopadu 1967 9400 Sopron, Ösvény 7, Maďarská republika Zřizovatel - zahraniční osoba: Avient S.à r.l. 9638 Pommerloch, Route de Bastogne 19, Lucemburské velkovévodství Registrační číslo: B226205 Právní forma: společnost s ručením omezeným Statutární orgán zřizovatele - zahraniční osoby: Jednatel:   HOLGER HANS KRONIMUS, dat. nar. 26. ledna 1968 76571 Gaggenau, Adolf Dambach-Strasse 2, Spolková republika Německo Den vzniku funkce: 4. července 2018 Den vzniku členství: 4. července 2018 Jednatel:   CHRISTOPH PALM, dat. nar. 16. května 1963 9638 Pommerloch, Route de Bastogne 19, Lucemburské velkovévodství Den vzniku funkce: 4. července 2018 Den vzniku členství: 4. července 2018 Jednatel:   ZANETA GABRIELA POTOCZNY, dat. nar. 17. října 1974 9638 Pommerloch, route de Bastogne 19, Lucemburské velkovévodství Den vzniku funkce: 27. února 2019 Den vzniku členství: 27. února 2019 Jednatel:   NORBERT MERKLEIN, dat. nar. 3. května 1964 4132 Muttenz, Rothausstrasse 61, Švýcarská konfederace Den vzniku funkce: 18. ledna 2021 Den vzniku členství: 18. ledna 2021 Počet členů: 4 Společnost je platně vázána nebo zastupována vůči třetím osobám takto: má-li Společnost více než jednoho jednatele, pak podpisem kteréhokoli jednatele.

Boundaries of the reporting company GHG emissions covered by the verification: • Operational Control • Global Exclusions: • Fugitive refrigerants from units Energy: o Diesel Fuel Consumption: 2,868,323 kWh o Natural Gas Fuel Consumption: 178,696,287 kWh o Renewable Energy Consumed - Self Generated (solar): 681,059 kWh o Renewable Energy Consumed - Self Generated (Wind): 2,385,048 kWh o Grid Electricity Consumed: 409,650,679 kWh o Renewable Energy Credits (REC) Purchased: 112,413,420 kWh o Renewable Electricity Consumed – Offsite: 138,415,253 kWh Page 2 Period covered by GHG emissions verification: • January 1, 2023 to 2023年12月31日 Global Warming Potential (GWP) and emission factor data sets: • IPCC GWP: AR6 • USEPA Emission Factor Hub, released 2024 • USEPA eGRID, released 2024 • Final Rule (40 CFR 98) - Industrial Sector 2013 • DEFRA, released 2023 • IEA, released 2023 • European Residual Mix, released 2022 v2.0 GHG Reporting Protocols against which verification was conducted: • World Resources Institute (WRI)/World Business Council for Sustainable Development (WBCSD) Greenhouse Gas Protocol, Corporate Accounting and Reporting Standard, Revised Edition (Scope 1 and 2) and the GHG Protocol Scope 2 Guidance, an amendment to the GHG Protocol Corporate Standard • WRI/WBCSD Corporate Value Chain (Scope 3) Accounting and Reporting Standard Verification Protocols used to conduct the verification: • ISO 14064-3 Second Edition 2019-04: Greenhouse gases - Part 3: Specification with guidance for the verification and validation of greenhouse gas statements • Apex’s standard procedures and guidelines for external Assurance of Sustainability Reports and International Standard on Assurance Engagements (ISAE) 3000 Revised, Assurance Engagements Other than Audits or Reviews of Historical Financial Information (effective for assurance reports dated on or after Dec. 15, 2015), issued by the International Auditing and Assurance Standards Board. Page 3 Verification Opinion: Based on the verification process and procedures conducted to a limited assurance level of the GHG emissions statement shown above, Apex found no evidence that the GHG emissions statement: • is not materially correct and is not a fair representation of the GHG emissions data and information; and • has not been prepared in accordance with the WRI/WBCSD GHG Protocol Corporate Accounting and Reporting Standard (Scope 1 and 2), and WRI/WBCSD Greenhouse Gas Protocol Corporate Value Chain Accounting and Reporting Standard (Scope 3).

Oversight of the Company’s Relationship with the Independent Auditor 1. Oversight of the Company’s Internal Audit Function 1. Compliance Oversight Responsibilities 1.

Globální zásady boje proti úplatkářství a korupci společnosti Avient Vydáno: 1. července 2020 Obsah Globální zásady boje proti úplatkářství a korupci společnosti Avient 1 Důležitost dodržování předpisů 1 Naše odpovědnost 1 Co je úplatek? Nabízení čehokoli hodnotného by nemělo být zaměněno s přiměřenými a omezenými zákonnými výdaji za dary, obchodní zábavu a jiné legitimní činnosti přímo související s výkonem práce pro společnost Avient. 1 Důležitost dodržování předpisů Bez ohledu na to, kde na světě působíme, se zákony proti úplatkářství a korupci vztahují na naše podnikání, mimo jiné včetně zákona o zahraničních korupčních praktikách 1 V části Dary a pohoštění Kodexu chování společnosti Avient a naše Zásady pro dary a zábavu získáte informace o tom, jak určit, zda jsou vámi navrhované výdaje povoleny. Neprovádějte zavádějící, neúplné nebo falešné záznamy v účetních knihách a záznamech společnosti Avient • Při jednání s třetími stranami neignorujte varovné signály domovská stránka | obsah Severní Amerika Globální centrála Avon Lake, Spojené státy 33587 Walker Road Avon Lake, OH, Spojené státy 44012 Bezplatná linka: +1-866-765-9663 Telefon: +1-440-930-1000 Fax: +440 930 3064 Asie a Tichomoří Regionální centrála Šanghaj, Čína 2F, Blok C 200 Jinsu Road Pudong, 201206 Šanghaj, Čína Telefonní číslo: +86 (0) 21 6028 4888 Fax: +86 (0) 21 6028 4999 Jižní Amerika Regionální centrála Sao Paulo, Brazílie Av.

No. 0514.02) Revised 10/08/2019 Page 1 of 2 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2005 POLYMER DIAGNOSTICS INC. 33587 Walker Road Avon Lake, OH 44012 Ana De La Ree Phone: 440-930-3271 CHEMICAL Valid To: 2019年12月31日 Certificate Number: 0514.02 In recognition of the successful completion of the A2LA evaluation process, accreditation is granted to this laboratory to perform the following rubber and plastics tests: Test Description: Test Method or Standard: Analysis of Volatile Contaminants from Polymers (Chromatography) VDA 277 FTIR (Fourier Transform Infrared) Spectroscopy ASTM E1252 (Except 7.6, 11.2, and 11.4) Flammability Horizontal Burn of Self-Supporting Plastics ASTM D635; UL 94; IEC 60695-11-10 Horizontal Burn of Materials Used in Occupant Compartments of Motor Vehicles ASTM D5132; FMVSS 302 (49 CFR 571.302) Vertical Burn, 20 mm ASTM D3801; UL 94; IEC 60695-11-10 Vertical Burn, 125 mm ASTM D5048; UL 94; IEC 60695-11-20 Oxygen Index ASTM D2863 FT1 Flame Test UL1581, Clause 1060; UL2556/CSA C22.2 No 2556, Clause 9.3 Cable Flame Test UL1581, Clause 1061 VW1 Flame Test UL1581, Clause 1080; UL2556/CSA C22.2 No 2556, Clause 9.4 FT2/FH Flame Test UL1581, Clause 1100; UL2556/CSA C22.2 No 2556, Clause 9.1 FV-1 Flame Test UL1581, Clause 1060; UL2556/CSA C22.2 No 2556, Clause 9.5 Thin Material Burning Test UL-94 Glow Wire Test IEC 60695 2-10, 2-11, 2-12, 2-13 RVCM in PVC ASTM D4443 (A2LA Cert. No. 0514.02) Revised 10/08/2019 Page 2 of 2 Test Description: Test Method or Standard: Thermal Analysis DSC (Differential Scanning Calorimetry) ASTM D3418, E794, E1356 TGA (Thermogravimetric Analysis) ASTM E1131 Karl Fischer Moisture Content ASTM D6869 Phthalate Determination by CPSIA CPSC-CH-C1001-09.3 1 The Consumer Product Safety Improvement Act (CPSIA) requires that every children's product subject to a federal consumer product safety requirement be tested by a Consumer Product Safety Commission (CPSC) accepted laboratory for compliance with the applicable federal children's product safety requirements.

AFNOR M 2 in France, DIN 4102 B 2 – B 1 in Germany, UNI 8457 – 9174 C 1 in Italy, BKZ 5.2 in Switzerland, BS 5852.1990 CRIB 3-5 in UK)** • Standard portfolio available for PP injection molded applications APPLICATION BULLETIN * Laboratory weathering testing may not be determinative of all conditions of use; the end user must determine suitability of a product for its intended use ** Contact us for more information on regulatory compliance Copyright © 2022, Avient Corporation. COLOR RAL REFERENCE COLOR RAL REFERENCE 1015 Brown/12 6026 Green/14 1034 Yellow/14 6032 Green/20 1018 Yellow/19 7004 Grey/21 1003 Yellow/20 8025 Brown/14 3020 Red/15 9022 Pearl Grey/1 5005 Blue/35 9010 White/5 5000 Blue/36

No. 0514.02) Revised 09/21/2021 Page 1 of 2 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 POLYMER DIAGNOSTICS INC. 33587 Walker Road Avon Lake, OH 44012 Ana De La Ree Phone: 440-930-3271 CHEMICAL Valid To: 2021年12月31日 Certificate Number: 0514.02 In recognition of the successful completion of the A2LA evaluation process, accreditation is granted to this laboratory to perform the following rubber and plastics tests: Test Description: Test Method or Standard: Analysis of Volatile Contaminants from Polymers (Chromatography) VDA 277 FTIR (Fourier Transform Infrared) Spectroscopy ASTM E1252 (Except 7.6, 11.2, and 11.4) Flammability Horizontal Burn of Self-Supporting Plastics ASTM D635; UL 94; IEC 60695-11-10 Horizontal Burn of Materials Used in Occupant Compartments of Motor Vehicles ASTM D5132; FMVSS 302 (49 CFR 571.302); ISO 3785 Vertical Burn, 20 mm ASTM D3801; UL 94; IEC 60695-11-10 Vertical Burn, 125 mm ASTM D5048; UL 94; IEC 60695-11-20 Oxygen Index ASTM D2863 FT1 Flame Test UL1581, Clause 1060; UL2556/CSA C22.2 No 2556, Clause 9.3 Cable Flame Test UL1581, Clause 1061 VW1 Flame Test UL1581, Clause 1080; UL2556/CSA C22.2 No 2556, Clause 9.4 FT2/FH Flame Test UL1581, Clause 1100; UL2556/CSA C22.2 No 2556, Clause 9.1 FV-1 Flame Test UL1581, Clause 1060; UL2556/CSA C22.2 No 2556, Clause 9.5 Thin Material Burning Test UL-94 Glow Wire Test IEC 60695 2-10, 2-11, 2-12, 2-13 RVCM in PVC ASTM D4443 (A2LA Cert. No. 0514.02) Revised 09/21/2021 Page 2 of 2 Test Description: Test Method or Standard: Thermal Analysis DSC (Differential Scanning Calorimetry) ASTM D3418, E794, E1356 TGA (Thermogravimetric Analysis) ASTM E1131 Karl Fischer Moisture Content ASTM D6869 Phthalate Determination by CPSIA CPSC-CH-C1001-09.3, CPSC-CH-C1001-09.4 1 The Consumer Product Safety Improvement Act (CPSIA) requires that every children's product subject to a federal consumer product safety requirement be tested by a Consumer Product Safety Commission (CPSC) accepted laboratory for compliance with the applicable federal children's product safety requirements.