4/16/2021 Comprovante de Inscrição e de Situação Cadastral https://servicos.receita.fazenda.gov.br/servicos/cnpjreva/Cnpjreva_Comprovante.asp 1/2 Comprovante de Inscrição e de Situação Cadastral Cidadão, Con�ra os dados de Identi�cação da Pessoa Jurídica e, se houver qualquer divergência, providencie junto à RFB a sua atualização cadastral. A informação sobre o porte que consta neste comprovante é a declarada pelo contribuinte. Emitido no dia 16/04/2021 às 12:38:32 (data e hora de Brasília).

Microsoft PowerPoint - Avient Q4 Earnings and 2021 Outlook PRINT AVIENT CORPORATION F O U R T H Q U A R T E R 2 0 2 0 R E S U L T S A N D 2 0 2 1 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 R Y 9 , 2 0 2 1 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. ) R P M P P G K W R F U L A V Y G C P IF F F M C H X L H U N E M N F O E E C L K R A S C L A S H C E G R A A LB Median: 5%Median: 3% Source: Peer data per Bloomberg market data as of February 5, 2021 Avient reflects 2021 estimated revenue of $4,100M and excludes one-time synergy capture CAPEX ($20M) Avient Specialty Formulators Other Chemical/Specialty Companies Free Cash Flow Conversion (1) 2021E (%) Being asset light helps us to generate strong free cash flow that is in line with specialty formulators. With the Clariant Masterbatch acquisition and divestment of the PP&S business, our exposure is now concentrated in less-cyclical and high-growth markets, with increased geographic diversification and a more specialized portfolio that can significantly expand EBITDA margins. 24 Avient reflects 2021 estimated EBITDA of $510M OUR VALUATION VERSUS PEERS Avient Specialty Formulators Other Chemical/Specialty Companies 9.5 21.1 13.2 13.2 12.0 12.0 9.7 25.2 23.1 14.7 13.5 12.9 11.0 11.0 11.0 10.2 9.6 9.3 9.3 9.1 8.6 8.3 A vi en t K W R A V Y R P M G C P P P G F U L A L B E C L H X L IF F F M C G R A B N R F O E A S H C E S C L U N V R E M N H U N K R A Median: 11.0xMedian: 12.6x SUMMARY: WHY INVEST IN AVIENT?

VA-370258, redatto in lingua inglese e au- tenticato dal Notaio M.A. Sono stati allegati al suddetto documento: - il consenso espresso per iscritto dal Consiglio di Ammini- strazione della Società, redatta in inglese, debitamente au- tenticata e apostillata; - copia conforme della delibera del socio unico in data 8 no- vembre 2021, redatta in doppia lingua inglese e francese, de- bitamente autenticata e apostillata; - lo statuto aggiornato della Società, redatto in doppia lin- gua inglese e francese, debitamente apostillato; 2. estratto della Società dal Registro delle Società e del Commercio del Lussemburgo in data 12 novembre 2021, redatto in lingua francese e debitamente apostillato, portante la nuova denominazione sociale. Richiesto io Notaio ho ricevuto il presente atto, del quale ho dato lettura al Comparente, che lo approva e con me lo sotto- scrive alle ore undici e trenta minuti.

Deflection is dependent on support span distance. 0.00 0.50 1.00 1.50 2.00 2.50 3.00 3.50 4.00 4.50 12 18 24 30 36 42 48 54 60 D e fl e c ti o n p e r 12 in c h w id th * Support Distance - in .75" Hammerhead Panel 0.00 0.20 0.40 0.60 0.80 1.00 1.20 12 18 24 30 36 42 48 54 60 D e fl e c ti o n p e r 12 in c h w id th * Support Distance - in 1.50" Hammerhead Panel Simply supported beam deflection for Hammerhead™ panels with 5.3 lb/ft3 core density 0.00 1.00 2.00 3.00 4.00 5.00 6.00 7.00 8.00 9.00 10.00 12 18 24 30 36 42 48 54 60 D e fl e c ti o n p e r 12 in c h w id th * Support Distance - in .50" Hammerhead Panel 0.00 0.50 1.00 1.50 2.00 2.50 12 18 24 30 36 42 48 54 60 D e fl e c ti o n p e r 12 in c h w id th * Support Distance - in 1.00" Hammerhead Panel 50lb 100lb 150lb 200lb 250lb LOAD CASE Hammerhead™ PETG Laminate Hammerhead™ PETG Laminate * To calculate deflection for different panel widths, use the following formula: Deflection = Chart value* [12 / panel width]. Example: Deflection for 24 inch panel = Chart value *[12 / 24] 0.00 1.00 2.00 3.00 4.00 5.00 6.00 7.00 8.00 9.00 10.00 12 18 24 30 36 42 48 54 60 D e fl e c ti o n p e r 12 in c h w id th * Support Distance - in .50" Hammerhead Panel 0.00 0.50 1.00 1.50 2.00 2.50 3.00 3.50 4.00 4.50 12 18 24 30 36 42 48 54 60 D e fl e c ti o n p e r 12 in c h w id th * Support Distance - in .75" Hammerhead Panel 0.00 0.50 1.00 1.50 2.00 2.50 12 18 24 30 36 42 48 54 60 D e fl e c ti o n p e r 12 in c h w id th * Support Distance - in 1.00" Hammerhead Panel 0.00 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0.90 1.00 12 18 24 30 36 42 48 54 60 D e fl e c ti o n p e r 12 in c h w id th * Support Distance - in 1.50" Hammerhead Panel Hammerhead™ PETG Laminate Hammerhead™ PETG Laminate Simply supported beam deflection for Hammerhead™ panels with 8.4 lb/in3 core density * To calculate deflection for different panel widths, use the following formula: Deflection = Chart value* [12 / panel width]. Example: Deflection for 24 inch panel = Chart value *[12 / 24] Fixed end beam deflection for Hammerhead™ panels with 8.4 lb/ft3 core density 50lb 100lb 150lb 200lb 250lb LOAD CASE Hammerhead™ PETG Laminate Hammerhead™ PETG Laminate 0.00 0.20 0.40 0.60 0.80 1.00 1.20 1.40 12 18 24 30 36 42 48 54 60 D e fl e c ti o n p e r 12 i n c h w id th * Support Distance - in .50" Hammerhead Panel 0.00 0.05 0.10 0.15 0.20 0.25 0.30 0.35 12 18 24 30 36 42 48 54 60 D e fl e c ti o n p e r 12 in c h w id th * Support Distance - in 1.00" Hammerhead Panel 0.00 0.10 0.20 0.30 0.40 0.50 0.60 12 18 24 30 36 42 48 54 60 D e fl e c ti o n p e r 12 in c h w id th * Support Distance - in .75" Hammerhead Panel 0.00 0.02 0.04 0.06 0.08 0.10 0.12 0.14 12 18 24 30 36 42 48 54 60 D e fl e c ti o n p e r 12 in c h w id th * Support Distance - in 1.50" Hammerhead Panel * To calculate deflection for different panel widths, use the following formula: Deflection = Chart value* [12 / panel width].

TIER 1 SUPPLIER S E A T B U C K L E S Y S T E M • Rapid development of 3 colors for global OEM platform, for 3 materials (POM, SAN, PP) • Help Tier 1 transition from printing to laser marking of buckles • Develop formulation that offers laser marking solution plus color • Quick reaction to develop three colors for this global vehicle launch • Smartbatch™ color + laser marking formulation met requirements for critical safety components Smartbatch™ Combination Colorants & Additives KEY REQUIREMENTS WHY AVIENT?

Coffee Capsules case study DESIGN FOR COMPOSTING C O F F E E C A P S U L E S • Compliance with European Standard EN 13432 • Biodegradable and compostable solutions approved by certified body (TÜV Austria) • Color customization for various kind of biopolymers • Formulation expertise and regulatory assistance OnColor™ Bio-Colorants KEY REQUIREMENTS WHY AVIENT?

TPEE AND TPU FILM MANUFACTURER H O T M E L T A D H E S I V E F I L M • Eliminate anti-phenol yellowing after storage • Maintain natural color of product • Demonstrate no impact on melt flow ability • Prevented yellowing after storage to provide a quality appearance • Had no negative impact on the product’s mechanical properties • Extended the shelf life and durability of the product Cesa Anti-phenolic Yellowing Additive KEY REQUIREMENTS WHY AVIENT?

PP NONWOVEN MANUFACTURER G E O T E X T I L E S • High concentrate UV solution (up to 50% light protection) in PP nonwoven textiles • Shorter lead time from existing supplier • Local technical support • Long-lasting UV stability • Provided high concentrate UV protection in nonwoven textiles with dosage @ 50% • Shortened the lead time with global supply and technical service • Offered excellent UV stability CesaTM Light Additives KEY REQUIREMENTS WHY AVIENT?

EXTRUSION FILM MANUFACTURER S I G N B O A R D P R O T E C T I V E T A P E • Film application with a high concentration of TIO2 (>80%) • Good performance on light fastness and anti-yellowing OnColor Polymer Colorants KEY REQUIREMENTS WHY AVIENT?

CUTLERY MAKER P R E M I U M K I T C H E N K N I V E S • Replaced aluminum while providing the same premium weight and feel of a metal • Withstand dishwashing without the discoloration issues of aluminum handles • Streamlined the design and molding phase, working directly with the manufacturer • Enabled the customer to expand their product line, providing a dishwasher safe kitchen knife into the market Gravi-Tech™ Density Modified Material KEY REQUIREMENTS WHY AVIENT?