LABORATORY EQUIPMENT MANUFACTURER P C R W E L L P L A T E S • Very high level of TiO2 to prevent “cross-talk” between the wells during the qPCR fluorescence testing procedure • Minimized background phosphorescence caused by agglomeration of TiO2 and/or oxidized (stressed) polystyrene • Preservation of polystyrene grade properties • Change control of formulation and manufacturing process • Robust product quality from batch to batch • Developed optimally dispersed, ready-to-use white formulation that maintains adequate signal transmission, as well as minimizing “cross-talk” and background phosphorescence • Optimized the use of general purpose polystyrene (GPPS) for a good balance between melt flow and other physical properties, such as stiffness • Provided comprehensive change control of raw materials and formulation, with a robust manufacturing process and quality control under a third party ISO 13485:2016 certified QMS Mevopur Healthcare Colorants and Formulations – pre-colored solution WHY AVIENT? AVIENT SOLUTION PERFORMANCE + CONSISTENT QUALITY LEARN MORE KEY REQUIREMENTS © 2025 Avient Corporation.

The higher aspect ratio of the fiber reinforcement facilitates more efficient energy transfer between the polymer and fiber filaments upon impact. Wear Resistant – Add wear (surface abrasion and friction) resistance by incorporating internal lubricants that migrate to the surface to reduce maintenance and increase reliability or minimize noise between connected moving parts.

Microsoft Word - 55453- PolyOne Corporation RCMS 2013 Option 2.docx ABS Quality Evaluations Letter Of Conformity Page 1 of 1 This is to confirm that the Environment, Health, Safety and Security Management System of: PolyOne Corporation 33587 Walker Road Avon Lake, OH 44012 U.S.A. has been assessed by ABS Quality Evaluations, Inc. and found to be in conformance with the requirements set forth by: RCMS®:2013 (Option 2) The Environment, Health, Safety and Security Management System is applicable to: Responsible Care Management System activities and corporate supported processes associated with the design and manufacture of plastic compounds, colorants, thermoplastic elastomer compounds, color concentrates and compounding of thermoplastic products.

Due to printing or monitor variations, color shown may vary from actual color. Contact your Avient representative for more information or to order samples. Avient makes no warranties or guaran- tees respecting suitability of either Avient’s products or the information for your process or end-use application.

TECHNICAL BULLETIN 1.844.4AVIENT www.avient.com Copyright © 2021, Avient Corporation. Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application. AVIENT MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, either with respect to the information or products reflected by the information.

Integrated EMI/RFI shielding – Stat-Tech material has integrated EMI/RFI shielding to prevent crosstalk between components, with effectiveness up to 70 dB (10GHz, 1/8" thickness). To learn more, visit avient.com or call +1.844.4AVIENT (1.844.428.4368). www.avient.com Copyright © 2020, Avient Corporation. Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application.

Q2 Avient Corporation Earnings Conference Call More Q1 Avient Corporation Earnings Conference Call More Q4 Avient Corporation Earnings Conference Call More

Q2 Avient Corporation Earnings Conference Call More Q1 Avient Corporation Earnings Conference Call More Q4 Avient Corporation Earnings Conference Call More

Q2 Avient Corporation Earnings Conference Call More Q1 Avient Corporation Earnings Conference Call More Q4 Avient Corporation Earnings Conference Call More

Q2 Avient Corporation Earnings Conference Call More Q1 Avient Corporation Earnings Conference Call More Q4 Avient Corporation Earnings Conference Call More