AUTOMOTIVE OEM W A T E R P R O O F S E A L O N A C C E S S O R Y P A R T • FDA food contact compliance • Color match to OEM-specified gray • 70 Shore A durometer for overmolding to PP • Scratch and mar resistance • Provided material compliant with FDA 21 CFR 177.1210 • Supplied both the base resin and at-press colorant to meet OEM specifications • Offered TPV alloy grade that enabled easy processing and durable surface aesthetics • Specified material in North America with design engineers and supplied out of a facility in China to meet production needs Versalloy™ XL Thermoplastic Elastomer KEY REQUIREMENTS WHY AVIENT?

BLACK PC PX-C-250 Black 70-A PP FR 8-6 LMS-1000

BLACK ASPP XBERGAMID B70 G60 NATURAL 70 PP FR 8-6 LMS-1000

TAN REDUCED 70% ESD BLACK PE2 PP FR 8-6 LMS-1000

Geon(TM) DK128-70 White Chin Strap Coating BLACK PP FR 8-6 LMS-1000

11500PC ANTIMONY PC (70%) PP BLACK UV PP FR 8-6 LMS-1000

9107-F-70 PURPLE PLASTISOL GEON 87516 BLACK 2880 PP FR 8-6 LMS-1000

Cesa™ Nox A4R Additive for Enhanced Recycling: a range of specialized antioxidants to protect post-consumer polyolefins against oxidation, which can lead to defects like black spots, gels, and discoloration during processing and recycling Bergamid™ FR Non-Halogen Flame Retardant Formulations: developed for high-voltage connectors, designed to combine the application flexibility of high-flow nylons for thin-wall designs with the sustainable performance of a non-halogenated fire retardant system, available in unfilled or reinforced PA6, PA66 and PA 6/66 grades with UL 94 V0 and CTI 800+ ratings  

MAIA+ N° rapport :223-2023-000066-FR 10898066 0.5 jour Date Début / Fin :04/11/2022 /04/11/2022 PolyOne France - site de Saint Ouen l'Aumône 1 /11 ATTESTATION DE RECONNAISSANCE Attribué à PolyOne France - site de Saint Ouen l'Aumône 14 avenue de l'Eguillette / ZA du Vert Galant 95310 - SAINT OUEN L'AUMONE - FRANCE Bureau Veritas Certification certifie que les prestations de l’entreprise susmentionnée ont été évaluées et jugées conformes aux caractéristiques énoncées dans le décret en vigueur à la date d’édition du présent certificat : Décret n°2021-461 du 16 avril 2021 relatif à la prévention des pertes de granulés de plastiques industriels dans l’environnement Sous réserve du respect des caractéristiques vérifiées, cette attestation est valable jusqu’au : 16/02/2026 Date originale : 17/02/2023 Attestation n°: 223-2023-000066-FR Date : 17/02/2023 Affaire n°: 10898066 Laurent CROGUENNEC - Président Adresse de l’organisme certificateur : Bureau Veritas Certification France Le Triangle de l'Arche - 9 Cours du Triangle - 92937 Paris La Défense Des informations supplémentaires concernant le périmètre de cette attestation ainsi que l'applicabilité des exigences du décret peuvent être obtenues en consultant l'organisme.

Investor Day C L A R I A N T M A S T E R B A T C H A C Q U I S I T I O N D R I V E S N E X T L E V E L S P E C I A L T Y T R A N S F O R M A T I O N December 2019 A C C E L E R A T I N G G R O W T H W I T H S U S T A I N A B L E S O L U T I O N S F O R W A R D - L O O K I N G S T A T E M E N T S PolyOne Corporation 2 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. T O D A Y ’ S P R E S E N T E R S Robert M. Richardson Executive Vice President and Chief Financial Officer PolyOne Corporation 4 PolyOne Corporation 5  Landmark portfolio transformation: > 85% of Adjusted EBITDA from specialty solutions  World-class innovation, technology and service are differentiators  Sustainability initiatives and alignment with megatrends drive above market growth in key end markets and applications:  Capital management is a strength - proven track record of expanding ROIC while increasing invested capital Transaction expected to add $0.85 to pro forma adjusted EPS T H E N E W P O L Y O N E : A S P E C I A L T Y G R O W T H C O M P A N Y Integrity V I S I O N PolyOne Corporation 6 To be the world’s premier provider of specialized polymer materials, services and solutions C O R E V A L U E S P E R S O N A L V A L U E S Honesty Respect Operational Excellence Commercial Excellence Specialization Globalization Collaboration ExcellenceInnovation To be the world’s premier provider of sustainable, specialty polymer materials and solutions.