Homepage // News Center // New Details on Specialty, Sustainable Technologies and Services from Avient Featured at K 2022 Customer success collaboration with L’Oréal and joint study with Borealis using Avient’s Post-Consumer Recycled (PCR) Color Prediction Service: A digital service using sophisticated technology to illustrate the color possibilities or limitations of certain types of PCR. This combination of expertise and technologies will help customers adapt to a changing world with innovative materials, distinctive services, and a more secure supply chain. 

SOCIAL EMPLEADOR 01-2016 **************************************************** Contribuyente no amparado en los beneficios promocionales INDUSTRIALES establecidos por Ley 22021 y sus modificatorias 22702 y 22973, a la fecha de emision de la presente constancia. Esta constancia no da cuenta de la inscripción en: - Impuesto Bienes Personales y Exteriorización - Ley 26476: de corresponder, deberán solicitarse en la dependencia donde se encuentra inscripto. - Impuesto a las Ganancias: la condición de exenta, para las entidades enunciadas en los incisos b), d), e), f), g), m) y r) del Art. 20 de la ley, se acredita mediante el "Certificado de exención en el Impuesto a las Ganancias" - Resolución General 2681. - Aporte Solidario: de corresponder, deberá solicitarse en la dependencia donde se encuentra inscripto. - Responsable Deuda Ajena Aporte Solidario: de corresponder, deberá solicitarse en la dependencia donde se encuentra inscripto. Mes de inicio: 10/2015 Mes de cierre ejercicio comercial: 12 DOMICILIO FISCAL - AFIP Vigencia de la presente constancia: 29-06-2021 a 29-07-2021 Hora 11:48:03 Verificador 102744316377 Los datos contenidos en la presente constancia deberán ser validados por el receptor de la misma en la página institucional de AFIP http://www.afip.gob.ar. http://www.afip.gob.ar/

Our unique position in the supply chain allows us to work with suppliers to innovate materials solutions to help our customers succeed, while enabling a sustainable world. Implementing these standards into Supplier performance are important to us and we expect our Suppliers and business partners to communicate these expectations throughout their supply chain by adopting efficient management systems, policies, procedures, and training to uphold the standards and expectations set forth in this Supplier Code of Conduct within their own business operations. Section 307 of the Tariff Act of 1930 (19 U.S.C. § 1307), ILO Forced Labor Convention (No. 29) and the Abolition of Forced Labour Convention (No. 105), in the mining, production, manufacture or supply of any goods (which includes both raw materials and manufactured goods) or services for Avient, nor, in connection with its supply to Avient, will Supplier procure merchandise from any sub-supplier that was mined, produced, or manufactured, in whole or in part, using forced labor.

We leverage a high-touch, collaborative customer service model, driving rapid customer response and customization. Avient is High Touch Avient Corporation 130 86 93 85 82 79 77 74 89 85 82 81 79 78 77 74 72 25 A vi en t K W R P P G A V Y F U L R P M G C P F M C U N V R C E B N R H X L E C L E M N H U N A S H S C L 2021E (%) 1. We expect this expansion to continue as we execute our strategy, increase margins and consistently grow earnings in excess of the market. 6.5 9.0 11.2 17.7 16.7 15.5 15.3 14.5 12.2 25.7 25.5 13.5 12.2 10.7 9.8 8.6 8.5 6.9 6.2 A vi en t (2 01 1) A vi en t (2 01 6) A vi en t (2 02 1) K W R P P G A V Y R P M G C P F U L H X L E C L A S H F M C B N R S C L E M N U N V R C E H U N Source: Peer data per Bloomberg market data as of December 2, 2021 Total Enterprise Value / 2021E EBITDA Avient 2011 and 2016 valuations reflect trailing 12 months EBITDA at December 31 of the respective years.

Ernst & Young LLP will provide us a description of work scope and supporting back-up documentation regarding the specific services they will provide. All Directors are required to retain 100% of all shares obtained through us, as compensation for services provided to us, with such percentage to be calculated after any reduction in the number of shares to be delivered as a result of any taxes and exercise costs relating to the shares (if applicable). Thus, payment, or commencement of payment, to the Named Executive Offiff cers of their accounts may need to be delayed by six months following their separation froff m service with us.

It enables: • Increased rPET content • Reduced CO2 emissions When added to PET preforms and bottles, ColorMatrix AAzure helps to: • Improve bottle quality - Reduced preform acetaldehyde by up to 80% - Improved mechanical strength - Lightweighting • Improve processability - Reduced bottle blowouts - Reduced scrap - Improved productivity • Reduce energy consumption during bottle blowing process ColorMatrix AAzure has a slight blue tint, which is useful for off-setting yellowing often associated with the use of rPET, and has minimal impact on final product color or aesthetics. IMPROVED BOTTLE QUALITY +2% in neck weight +3% in body weight -12% in base weight 8.5g 0.5L bottle, 60% rPET Re-optimization of Polymer Weight Distribution to Improve Bottle Strength Based on commercially produced water bottles, 51,000bph Mechanical Strength Increasing ColorMatrix AAzure Concentration Based on PTI 14.4g 0.5L water bottles, Instron testing To p Lo ad (l bs ) 14 15 16 17 8 9 10 11 0 20 40 60 80 100 120 0 50 100 150 200 250 300 350 400 450 500 0.00 0.02 0.04 0.06 0.08 0.10 0.12 0.14 Burst Pressure Increasing ColorMatrix AAzure Concentration Based on 8.5g, 0.5L commercially produced water bottles Bu rs t P re ss ur e (B ar ) 14 15 16 17 8 9 10 11 0 20 40 60 80 100 120 0 50 100 150 200 250 300 350 400 450 500 0.00 0.02 0.04 0.06 0.08 0.10 0.12 0.14 REDUCED CO2 EMISSIONS Increasing ColorMatrix AAzure Concentration 25% reduction in energy consumed during the bottle blowing process, based on a commercial process producing 8.5g 0.5L water bottles at 51,000 bph En er gy k W Reduced Energy Consumption ColorMatrix AAzure increases the heat-up rate for preforms, enabling energy reductions for the heating lamps used during the bottle blowing process.

EY will provide us a description of work scope and supporting back-up documentation regarding the specific services they will provide. Thus, payment, or commencement of payment, to the Named Executive Officers of their accounts may need to be delayed by six months following their separation from service with us. This group of employees did not include any independent contractors or workers who provided leased services, and did not exclude any employees of businesses acquired by us or combined with us.

RADIO FREQUENCY MATERIALS Maximize your radio frequency (RF) performance with PREPERM™ materials OPTIMAL RF PROPERTIES • Well-controlled dielectric constant range 2.55–23 • Ultra-low loss even at mmWave frequencies • Stable performance even up to 220 GHz SPEED UP YOUR CONCEPT VALIDATION WITH • Avient Design services • Filaments for 3D printing FROM PROTOTYPING TO MASS PRODUCTION • Injection molding process enables flexible product designs • Scalable production • Customized sheets in high volumes • Consistent quality in mass production • Excellent total cost performance compared to traditional materials PREPERM™ IS A SUSTAINABLE CHOICE Products’ life-cycle and environmental footprint are important factors for designers. Lo ss ta ng en t NEW TECHNOLOGIES REQUIRE NEW MATERIALS The rapid technology development requires new frequency ranges and bandwidths.