Standard handling time frame: 1 Business Day to confirm receipt and r .ecord it in our system 15 Business days to analyze problem, provide root cause and action plan. 30 days to close complaint 8 The overall processing times may vary depending on the complexity of the issue and resources needed. Record Retention  Production records are stored for a minimum of 1 year.  ERP records are kept for a minimum of 5 years. https://www.avient.com/company/policies-and-governance/it-systems-use-policy 9 10 Annex 1 - ISO 13485 certification for Mevopur manufacturing sites North America & EMEA.

Revised: 2024年12月20日 AVIENT CORPORATION Securities Trading Policy 1. Pre-arranged Trading Plans: An SEC rule, Rule 10b5-1(c), provides a defense from insider trading liability if trades occur pursuant to a pre-arranged “trading plan” that meets specified conditions. While trading plans can be established for a single trade or a series of trades, the Company prefers that your trading plan be established for a series of trades because Rule 10b5-1 places certain limitations on single trade plans.

The Board may modify the Guidelines from time to time and may make exceptions to them. 1. Is a current employee, or has an immediate family member who is a current executive officer of, a company that makes or has made payments to, or received payments from, the Company for property or services in an amount which, in any of the last three fiscal years, exceeds the greater of $1 million, or 2% of the other company’s consolidated gross revenues. The following relationships will not be considered to be material relationships that would impair a director’s independence: (i) If the director is, or has an immediate family member who is, a partner (general or limited) in, or a controlling stockholder, equity holder, executive officer, other employee, or director of, any organization to which the Company made, or from which the Company received, payments for property or services in the current or any of the past three fiscal years where the amount involved in such transaction in any such fiscal year was less than the greater of $1 million or 2% of the organization’s consolidated gross revenues for that year; (ii) If the director is, or has an immediate family member who is, a director or trustee of any organization to which the Company has made, or from which the Company has received payments for property or services, and the director (or his/her immediate family member) was not involved in the negotiations of the terms of the transaction, did not, to the extent applicable, provide any services directly to the Company, and did not receive any special benefits as a result of the transaction; or (iii) If the director, or an immediate family member of the director, serves as an officer, director or trustee of a foundation, university, charitable or other not-for-profit organization, and the Company’s discretionary charitable contributions to the organization, in the aggregate are less than the greater of $1 million or 2% of that organization’s latest publicly available annual consolidated gross revenues.

Structural foam molding machines (Figure 1) are equipped with a plasticizing extruder and a separate transfer cylinder for quicker injection. Typical let-down ratios for Hydrocerol concentrates are 1–3%. PHASE 1: MIXING AND ACTIVATING The CFA is mixed into the melt for maximum distribution and then activated in the barrel, to release the gases.

For and on behalf of BSI: Chief Operating Officer Assurance - Americas Certification Date: 2018-05-10 Latest Issue: 2018-05-10 Expiry Date: 2021-05-09 BSI Certificate Number: 691920 IATF Number: 0303891 Page: 1 of 2 This certificate remains the property of BSI and shall be returned immediately upon request.

No other terms and conditions whatsoever shall have any effect unless subsequently agreed to in a document signed by both parties. 1.

APPLICATIONS • Medical devices • Drug delivery devices • Labware KEY CHARACTERISTICS • Manufactured at four ISO 13485 certified sites, providing global consistency and increased security of supply • Documented change control beyond CAS number level, reducing risk of change REGULATORY SUPPORT • Raw materials tested to: - ISO 10993-1 and USP biological evaluation - European Pharmacopeia 3.1.3/3.1.5 (polyolefin) - USP (polyethylene) - ICH Q3D elemental impurities • Registered Drug Master File (Type III) and/or Device Master File • Food contact established with FDA/EU* * FDA/EU compliance information available upon request Copyright © 2023, Avient Corporation.

KEY CHARACTERISTICS • Manufactured under ISO 13485 procedures • Documented change control beyond CAS number, reducing risk of change • Can be used on common injection molding and extrusion machines—set-up support by a technical assistance team • Available for use in polyolefins, styrenics and copolymers • Can be combined with colorants REGULATORY SUPPORT • Raw materials tested to: - ISO 10993-1 - USP and (incl. class VI) - European Pharmacopeia, monograph 3.1.3/ 3.1.5 (polyolefin packaging materials) - USP (polyethylene) - Elemental impurities as per ICH Q3D • Registered Drug Master File (Type III) and/or Device Master File • Food contact according to USA FDA and EU norms APPLICATION BULLETIN Sustainability Spotlight Healthcare use limitations apply—see below.

This literature shall NOT operate as permission, recommendation, or inducement to practice any patented invention without permission of the patent owner. 1.844.4AVIENT www.avient.com System Syncure XLPE S200FH Syncure XLPE S200FV Applications Building Wire, Tray Cable, Service Entrance Building Wire, Tray Cable, Service Entrance Specification UL 44 UL 44 Wire Type RHW-2, RHW, RHH, XHHW-2, XHH, XHHW, SIS RHW, RHH, RHW-2 Components 78% S1054A 22% SC5400-0002 RoHS MB ALT FR 50% S1054A 50% SC5400-0003 RoHS MB ALT FR Features Horizontal Flame, DBDPE-free VW-1, DBDPE-free General Properties Specific Gravity (g/cm3) 1.01 1.31 Hardness Shore D, 10sec 47 48 Gel % 68 70 Tensile Properties Tensile Strength (psi) 2800 3200 Elongation % 400 470 Tensile Retention % 95 100 Elongation Retention % 90 93 Electrical Dielectric Strength (V/mil) 1000 1200 Dielectric Constant 2.31 2.61 Dissipation Factor % 0.0012 0.0043 Thermal Temperature Rating °C 90 90 Heat Deformation % 10 5 TECHNICAL PROPERTIES

Feasible form factors can be obtained even below 1 GHz with high permittivity materials.