Attachment 3 1)  Attachment 4

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July 1, 2020 Attachment 3 Attachment 4

WINTER GREEN-1 LIQUID COLOR RED 483-32309-1 LIQUID COLOR GREEN 484-30591-4

with the seat at Pobřežní 620/3, 18600 Prague, Id. A 78870 (“Seller”). 1. Terms and Conditions (December 1, 2024)

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Bergmann GmbH Adolf-Dambach-Str. 2-4 76571 Gaggenau die Einführung und Anwendung eines Managementsystems gemäß DIN EN ISO 50001:2018 für den Geltungsbereich: Entwicklung und Produktion von technischen Thermoplasten; an den Standorten gemäß Anlage. Bergmann GmbH Adolf-Dambach-Str. 2-4 76571 Gaggenau c/o Avient ECCOH High Performance Solutions GmbH Oldendorfer Straße 9, 49324 Melle Produktion von technischen Thermoplasten

Ext Building Products OEM Application Snapshot E X T E R I O R BU I L D I N G P RO D U C T S O E M S H E E T / P R O F I L E E X T R U S I O N • Source a cost competitive and effective chemical foaming additive (CFA) with prompt availability • Incorporate a CFA lightweighting solution with consistent cell structure and density for better overall operational performance • Improve material usage while manufacturing on both single and twin screw processing equipment • Met customer needs and timing with effective and efficient CFA solutions • Provided formulations that improved the dispersion and efficacy for optimized performance and control in manufacturing • Offered application and processing expertise focused on specific customer manufacturing assets and operations, allowing improved material usage and reduced operational costs Hydrocerol™ and Excelite™ CFAs KEY REQUIREMENTS WHY AVIENT?

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