The Parties: i. the natural or legal person(s), public authority/ies, agency/ies or other body/ies (hereinafter “entity/ies”) transferring the personal data, as listed in Annex I.A. In assessing the appropriate level of security, the Parties shall take due account of the state of the art, the costs of implementation, the nature, scope, context and purpose(s) of processing and the risks involved in the processing for the data subjects. The Parties: i. the natural or legal person(s), public authority/ies, agency/ies or other body/ies (hereinafter “entity/ies”) transferring the personal data, as listed in Annex I.A.

Línea directa de ética: https://www.Avient.com/company/policies-and-governance/ethics-hotline Número de teléfono de la línea directa de ética: 1-877-228-5410 https://www.Avient.com/company/policies-and-governance/ethics-hotline Norteamérica Sede central global de Avon Lake, Estados Unidos 33587 Walker Road Avon Lake, OH, Estados Unidos 44012 Número gratuito: +1 866 765 9663 Teléfono: +1 440 930 1000 Fax: +1 440 930 3064 Asia Pacífico Sede central regional de Shanghái, China 2F, Block C 200 Jinsu Road Pudong, 201206 Shanghái, China Teléfono: +86 (0) 21 6028 4888 Fax: +86 (0) 21 6028 4999 Sudamérica Sede central regional de San Pablo, Brasil Av. Francisco Nakasato, 1700 13295-000 Itupeva San Pablo, Brasil Teléfono: +55 11 4593 9200 Europa Sede central regional de Pommerloch, Luxemburgo 19 Route de Bastogne Pommerloch, Luxemburgo, L-9638 Teléfono: +352 269 050 35 Fax: +352 269 050 45 www.avient.com https://www.avient.com

Línea Directa de Ética: https://www.Avient.com/company/policies-and-governance/ethics-hotline Número de teléfono de la Línea Directa de Ética: 1-877-228-5410 https://www.Avient.com/company/policies-and-governance/ethics-hotline Norteamérica Sede mundial de Avon Lake, Estados Unidos 33587 Walker Road Avon Lake, OH, Estados Unidos 44012 Llamada gratuita: +1 866 765 9663 Teléfono: +1 440 930 1000 Fax: +1 440 930 3064 Asia Pacífico Sede regional de Shanghái, China 2F, Bloque C 200 Jinsu Road Pudong, 201206 Shanghái, China Teléfono: +86 (0) 21 6028 4888 Fax: +86 (0) 21 6028 4999 Sudamérica Sede regional en São Paulo, Brasil Av. Francisco Nakasato, 1700 13295-000 Itupeva São Paulo, Brasil Teléfono: +55 11 4593 9200 Europa Sede regional de Pommerloch, Luxemburgo 19 Route de Bastogne Pommerloch, Luxemburgo, L-9638 Teléfono: +352 269 050 35 Fax: +352 269 050 45 www.avient.com https://www.avient.com

Polymers are a class of organic materials that are generally produced by converting natural gas or crude oil derivatives into monomers, such as ethylene, propylene, and styrene. Had the APM Acquisition occurred on 2021年1月1日, sales and income from continuing operations before income taxes on a pro forma basis would have been as follows: Year Ended 2022年12月31日 2021 Sales $ 3,653.0 $ 3,712.0 Income from continuing operations before income taxes 162.0 133.5 The unaudited pro forma financial information has been calculated after applying our accounting policies and adjusting the historical results with pro forma adjustments that assume the APM Acquisition occurred on 2021年1月1日. These unaudited pro forma results do not represent financial results realized, nor are they intended to be a projection of future results.

K 6300-A30 NATURAL K 6300-A60 NATURAL K 6300-A40 NATURAL

GF 600 A 14 HS NATURAL GF 600 A 14 NATURAL GF 600 A 25 NATURAL

X ET #SR-20166-001-1 Natural X ET #SR-20166-002-1 Natural X ET #SR-20166-002-2 Natural

X ET-30755-001-1 Natural X ET-30755-001-2 Natural X ET-30755-001-3 Natural

GEON E2507 Natural 0000 GEON WJCK510 NATURAL 0000 GEON WJCK507 NATURAL 0000

X TM-697-001-01 Natural IT37-035-1001 NATURAL RT-3965 NATURAL 0000