Materials can be used as tissue-mimicking phantom materials​ for calibration of various mmWave and microwave frequency-based imaging devices, like computed tomography (CT) devices. This literature shall NOT operate as permission, recommendation, or inducement to practice any patented invention without permission of the patent owner. 1.844.4AVIENT www.avient.com PREPERM materials are used in these applications: • Mechanical phase shifters in base station antennas • Radiator disks in base station antennas • Radomes for automotive radars • Lenses in SatCom devices

Bourg-en-Bresse Date d'immatriculation 18/09/2018 Dénomination ou raison sociale Avient Sàrl Forme juridique Société à responsabilité limitée d'un Etat membre de la CE ou partie à l'accord sur l'Espace économique européen Capital social 12 000,00 Euros Pays, lieu et numéro d'immatriculation B226205 Registre de commerce et des sociétés Adresse du siège 19 route de Bastogne 9638 Pommerloch (LUXEMBOURG) Activités principales Vente de produits en matière plastique ou à base de matières plastiques. achat, vente, importation et négoce en général de tous produits en matières plastiques ou à base de matières plastiques Durée de la personne morale Durée illimitée Date de clôture de l'exercice social 31 décembre GESTION, DIRECTION, ADMINISTRATION, CONTROLE, ASSOCIES OU MEMBRES Dirigeant à l'étranger d'une personne morale étrangère Nom, prénoms POTOCZNY Zaneta Gabriela Date et lieu de naissance Le 17/10/1974 à JAWORZNO (POLOGNE) Nationalité Polonaise Domicile personnel 65 rue de Colmar berg L-7525 MERSCH (LUXEMBOURG) Dirigeant à l'étranger d'une personne morale étrangère Nom, prénoms PALM Christophe Date et lieu de naissance Le 16/05/1963 à Eupen (BELGIQUE) Nationalité Belge Domicile personnel Gruss Strooss 35 Apartement 21 9991 Weiswarnpach (LUXEMBOURG) Dirigeant à l'étranger d'une personne morale étrangère Nom, prénoms KRONIMUS Holger Hans Date et lieu de naissance Le 26/01/1968 à Vallendar (ALLEMAGNE) Nationalité Allemande Domicile personnel Schulstrasse 4 56206 Hilgert (ALLEMAGNE) Dirigeant à l'étranger d'une personne morale étrangère Nom, prénoms MERKLEIN Nobert Date et lieu de naissance Le 03/05/1964 à KELHEIM (ALLEMAGNE) Nationalité Française Domicile personnel Schiffackerweg 2 4340 Rheinfelden (SUISSE) Responsable en France Nom, prénoms KIEN Eric René Date et lieu de naissance Le 09/07/1961 à Clermont-Ferrand (63) Nationalité Française Domicile personnel 705 Chemin de l'Arête 74290 Menthon-Saint-Bernard https://www.infogreffe.fr/controle https://www.infogreffe.fr/controle/verif? Bourg-en-Bresse - 22/12/2021 - 10:38:15 page 2/2 RENSEIGNEMENTS RELATIFS A L'ACTIVITE ET AU PREMIER ETABLISSEMENT IMMATRICULE EN FRANCE Adresse de l'établissement La Vavrette Route Nationale 75 Bp 26 01250 Tossiat Nom commercial AVIENT Activité(s) exercée(s) Vente de produits en matière plastique ou à base de matières plastiques. achat, vente, importation et négoce en général de tous produits en matières plastiques ou à base de matières plastiques Date de commencement d'activité 02/08/2018 Origine du fonds ou de l'activité Création Mode d'exploitation Exploitation directe Le Greffier FIN DE L'EXTRAIT

Scope 1 Base year start January 1, 2019 Base year end December 31, 2019 Base year emissions (metric tons CO2e) 18,709 Comment Scope 2 (location-based) Base year start January 1, 2019 Base year end December 31, 2019 Base year emissions (metric tons CO2e) 143,505 Comment Scope 2 (market-based) Base year start January 1, 2019 Base year end December 31, 2019 Base year emissions (metric tons CO2e) 155,023 Comment Scope 3 category 1: Purchased goods and services Base year start January 1, 2019 Avient CDP Climate Change Questionnaire 2022 Friday, July 29, 2022 58 Base year end December 31, 2019 Base year emissions (metric tons CO2e) 484,421 Comment Scope 3 category 2: Capital goods Base year start January 1, 2019 Base year end December 31, 2019 Base year emissions (metric tons CO2e) 0 Comment Scope 3 category 3: Fuel-and-energy-related activities (not included in Scope 1 or 2) Base year start January 1, 2019 Base year end December 31, 2019 Base year emissions (metric tons CO2e) 5,512 Comment Scope 3 category 4: Upstream transportation and distribution Base year start January 1, 2019 Base year end December 31, 2019 Base year emissions (metric tons CO2e) 0 Comment Avient CDP Climate Change Questionnaire 2022 Friday, July 29, 2022 59 Scope 3 category 5: Waste generated in operations Base year start January 1, 2019 Base year end December 31, 2019 Base year emissions (metric tons CO2e) 6,234 Comment Scope 3 category 6: Business travel Base year start January 1, 2019 Base year end December 31, 2019 Base year emissions (metric tons CO2e) 6,479 Comment Scope 3 category 7: Employee commuting Base year start January 1, 2019 Base year end December 31, 2019 Base year emissions (metric tons CO2e) 12,578 Comment Scope 3 category 8: Upstream leased assets Base year start January 1, 2019 Base year end December 31, 2019 Base year emissions (metric tons CO2e) 2,718 Avient CDP Climate Change Questionnaire 2022 Friday, July 29, 2022 60 Comment Scope 3 category 9: Downstream transportation and distribution Base year start January 1, 2019 Base year end December 31, 2019 Base year emissions (metric tons CO2e) 46,417 Comment Scope 3 category 10: Processing of sold products Base year start January 1, 2019 Base year end December 31, 2019 Base year emissions (metric tons CO2e) 0 Comment Scope 3 category 11: Use of sold products Base year start January 1, 2019 Base year end December 31, 2019 Base year emissions (metric tons CO2e) 0 Comment Scope 3 category 12: End of life treatment of sold products Base year start January 1, 2019 Base year end December 31, 2019 Avient CDP Climate Change Questionnaire 2022 Friday, July 29, 2022 61 Base year emissions (metric tons CO2e) 0 Comment Scope 3 category 13: Downstream leased assets Base year start January 1, 2019 Base year end December 31, 2019 Base year emissions (metric tons CO2e) 0 Comment Scope 3 category 14: Franchises Base year start January 1, 2019 Base year end December 31, 2019 Base year emissions (metric tons CO2e) 0 Comment Scope 3 category 15: Investments Base year start January 1, 2019 Base year end December 31, 2019 Base year emissions (metric tons CO2e) 0 Comment Scope 3: Other (upstream) Base year start January 1, 2019 Avient CDP Climate Change Questionnaire 2022 Friday, July 29, 2022 62 Base year end December 31, 2019 Base year emissions (metric tons CO2e) 0 Comment Scope 3: Other (downstream) Base year start January 1, 2019 Base year end December 31, 2019 Base year emissions (metric tons CO2e) 0 Comment C5.3 (C5.3) Select the name of the standard, protocol, or methodology you have used to collect activity data and calculate emissions. Other C7.9b (C7.9b) Are your emissions performance calculations in C7.9 and C7.9a based on a location-based Scope 2 emissions figure or a market-based Scope 2 emissions figure? Market-based C8.

Level 1 assets are valued based on quoted market prices. Note 15 — SHARE-BASED COMPENSATION Share-based compensation cost is based on the value of the portion of share-based payment awards that are ultimately expected to vest during the period. Share-based compensation expense is based on awards expected to vest and therefore has been reduced for estimated forfeitures.

Share-Based Compensation We account for share-based compensation under the provisions of FASB ASC Topic 718, Compensation — Stock Compensation, which requires us to estimate the fair value of share-based awards on the date of grant. Note 15 — SHARE-BASED COMPENSATION Share-based compensation cost is based on the value of the portion of share-based payment awards that are ultimately expected to vest during the period. Share-based compensation expense is based on awards expected to vest, therefore has been reduced for estimated forfeitures.

The Avient ethics hotline is available globally to make a web-based or telephonic report, with multi-language capabilities, 24 hours a day, seven days a week. Our supply base currently includes 63 suppliers: 67% located in the UK, 19% in the EU and the remaining 14% split between China, USA and India. In 2024, we launched a third-party risk system to proactively monitor supply chain resiliency across our supplier base, which would provide Avient with notification of public disclosures.

As of December 31, 2011, we had one active share-based employee compensation plan, which is described more fully in Note 15, Share-Based Compensation. Note 15 — SHARE-BASED COMPENSATION Share-based compensation cost is based on the value of the portion of share- based payment awards that are ultimately expected to vest during the period. The risk-free rate of return was based on available yields on U.S.

AQUARIUS™ SOFT BASE - CYAN 4. AQUARIUS™ SOFT BASE - BLACK 5. AQUARIUS™ SOFT BASE - WHITE

Level 1 assets are valued based on quoted market prices. Note 15 — SHARE-BASED COMPENSATION Share-based compensation cost is based on the value of the portion of share-based payment awards that are ultimately expected to vest during the period. Share-based compensation expense is based on awards expected to vest and therefore has been reduced for estimated forfeitures.

Avient does not produce commodity base resins. Note 14 — SHARE-BASED COMPENSATION Share-based compensation cost is based on the value of the portion of share-based payment awards that are ultimately expected to vest during the period. Share-based compensation expense is based on awards expected to vest and therefore has been reduced for estimated forfeitures.