Entry door 1-page case study EXTERIOR DOORS R E S I D E N T I A L & C O M M E R C I A L Reinforcement of steel to reduce weight and provide: • Corrosion resistance • Improved dent resistance to withstand windborne debris • Structural performance to meet regional wind load requirements • Improved resistance to corrosion and moisture degradation • Increased dent resistance up to 60% vs. unreinforced metal • Enabled reduction in thickness of sheet metal while maintaining structural performance Polystrand™ PETG continuous fiber reinforced composite laminate thermally bonded to steel door skin KEY REQUIREMENTS WHY AVIENT?

EUROPEAN CABLE MANUFACTURER G E L - F I L L E D C E N T R A L L O O S E T U B E C A B L E S • Fire performance: CPR classification Cca-s1, d0, a1 • Resistance to chemicals and filling compounds • Rigidity close to PBT • Melting point higher than 100°C • Developed a custom formulation to reach required rigidity • Eliminated hydrolysis experienced with previous PBT material • Provided expertise in process improvement to help the customer achieve a more competitive processing speed ECCOH™ PF 4142 Formulation KEY REQUIREMENTS WHY AVIENT?

OUTDOOR OEM C A B L E S L I D E • Reduce wear and improve performance to minimize noise and string fraying caused by highly repetitive use • Increase lubricity while maintaining balance of rigidity and impact strength • Perform in outdoor environments • Reduce total part price LubriOne™ Internally Lubricated Formulation KEY REQUIREMENTS WHY AVIENT?

SBD cordless power tool GLOBAL CLOUD SERVICE PROVIDER I N T E R N A L H O L D O F S E R V E R C A B I N E T S • PC-based solution with good impact strength • UL 94 V-0 certification • Dimensionally stable • Offered a 40% glass fiber-reinforced PC solution with high modulus and high impact strength • Achieved a UL 94 V-0 flammability rating at 3.0 mm • Provided pre-colored formulation that met specific white requirements and maintained good color stability even after long-term production at high temperatures • Ensured high flowability so the material could be injected with low pressure, avoiding damage to the metal frame Edgetek Engineered Polymer Formulations KEY REQUIREMENTS WHY AVIENT?

WIRE & CABLE OEM P V D F E X T R U S I O N • Improve extrusion line speed • Minimize defects, optimize coefficient of friction (CoF), control extrusion pressure, and eliminate die drool • Prevent melt fracture (sharkskin) • Reduce energy use in processing to achieve cost savings • Delivered a polyvinylidene fluoride (PVDF) solution that improved extrusion production times • Provided application specialists with deep knowledge of PVDF processing windows (melt and degradation temperatures) to help boost overall processing performance • Enhanced surface aesthetics by reducing friction and improving flow stability • Gained a reduction in energy use and offered added savings for other PVDF applications such as wire jacketing or tube and pipe extrusion Colorant Chromatics PVDF Processing Aid KEY REQUIREMENTS WHY AVIENT?

WALL PARTITION MANUFACTURER F O O D P R O C E S S I N G E N V I R O N M E N T S • Decrease growth of microbes on plastic surfaces that come in contact with food products • Compatibility with sheet extrusion processing • Maintain all other functional attributes inherent to product, such as ROHS, flame retardant standards, and specific brand color • Seamlessly incorporated multifunctional additives for optimal performance in reducing microbe growth • Developed custom formulation for complex processing configurations in sheet extrusion technology • Provided expertise in antimicrobial performance, chemical resistance, flame retardance, and regulatory product stewardship Cesa™ WithStand™ Antimicrobial Additives and Smartbatch™ Combination Colorants and Additives KEY REQUIREMENTS WHY AVIENT?

DIAGNOSTICS MANUFACTURER C O V I D - 1 9 C O N T A I N M E N T T U B E S C R E W C A P S • Wide range of durometers with consistent raw materials • Processing consistencies across the durometer ranges for an easy transition between materials • Materials formulated without animal derivatives at a competitive cost • Offered a comprehensive range of solutions to accommodate specific application demands such as barrier, flexibility, and sealing performance • Provided materials manufactured in an ISO 13485 certified facility • Delivered a series of medical-grade TPEs that could be extruded and injection molded Versaflex™ HC 3810 Thermoplastic Elastomers KEY REQUIREMENTS WHY AVIENT?

OnFlex LO - HVAC Flap - Spanish PROVEEDOR TIER 2 R E J I L L A P A R A S I S T E M A S D E V E N T I L A C I Ó N Y C A L E F A C C I Ó N • Eliminar el post-calentamiento de las piezas a fin de lograr el nivel de olor necesario (≤3.0 VDA 270) • Tener la menor emisión de compuestos orgánicos volátiles (VOC/FOG) (VDA 278), con el mismo compresión set del material anterior • Menos pasos de procesamiento y menores costos de energía para el moldeador • Se lograron los niveles VOC/FOG requeridos y se cumplió el desempeño con el estándar de compresión set OnFlex™ LO REQUERIMIENTOS CLAVE ¿POR QUÉ AVIENT?

Petrem Elšíkem, notářem se sídlem v Litoměřicích, na místě samém v sídle PRK Partners s.r.o. advokátní kancelář, na adrese Jáchymova 26/2, Staré Město, 110 00 Praha 1, dle § 80a a násl. notářského řádu o ---------------------------------------------------------------------------------------------------------------------- r o z h o d n u t í valné hromady společnosti PolyOne ČR, s.r.o., identifikační číslo 26689537, sídlem Pobřežní 620/3, Karlín, 186 00 Praha 8, spisová značka C 87503 vedená u Městského soudu v Praze (dále též „Společnost“), o změně obsahu společenské smlouvy (dále též „Rozhodnutí“), konané dne 21.10.2021 v budově na adrese Jáchymova 26/2, Staré Město, 110 00 Praha 1. ------------------ I. 1. Valná hromada Společnosti svým usnesením přijala toto --------------------------------------- r o z h o d n u t í o změně obsahu společenské smlouvy: a)Společenská smlouva Společnosti se mění tak, že v článku prvním „Obchodní firma, založení, vznik a právní forma společnosti“ odst. 1. a 2. nově zní takto: ---------------------- 1.

Microsoft PowerPoint - AVNT Q4 2021 Earnings Presentation (v17) - W PEERS x ESI AVIENT CORPORATION F O U R T H Q U A R T E R 2 0 2 1 R E S U L T S A N D 2 0 2 2 F I N A N C I A L G U I D A N C E (NYSE: AVNT) F E B R U A RY 8 , 2 0 2 2 DISCLAIMER 2 Forward-Looking Statements 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. D is t. ) K W R P P G F U L R P M A V Y F M C H U N H X L S C L E C L E M N C E A S H Source: Peer data per Bloomberg market data as of February 15, 2022. Our free cash flow supports shareholder value creation through investing in R&D for organic growth, completing bolt-on acquisitions, and returning cash to shareholders via our dividend program and opportunistic share repurchases. 27 1.