Record Retention  Production records are stored for a minimum of 1 year.  ERP records are kept for a minimum of 5 years. https://www.avient.com/company/policies-and-governance/it-systems-use-policy 9 10 Annex 1 - ISO 13485 certification for Mevopur manufacturing sites North America & EMEA. The record retention period for these records is three (3) years.

Record Retention  Production records are stored for a minimum of 1 year.  ERP records are kept for a minimum of 5 years. https://www.avient.com/company/policies-and-governance/it-systems-use-policy 9 10 Annex 1 - ISO 13485 certification for Mevopur manufacturing sites North America & EMEA. The record retention period for these records is three (3) years.

The Board may modify the Guidelines from time to time and may make exceptions to them. 1. This guideline will be reviewed periodically to assure competitiveness. 3. The Board and its Committees may, in appropriate circumstances 9 and at Company expense, consult and retain independent legal, financial or other advisors. 4.

Typical let-down ratios for Hydrocerol concentrates are 1–3%. INJECTION PRESSURE The injection pressure must be set high enough to obtain a high injection rate (Figure 3). Typically, a weight reduction of 10–25% is achieved in parts with wall thicknesses >4 mm and short flow paths.

X 6892#SR-00466-0001-3 Blue 2748C VIOLET CRÈME SAD-1267-1 GREY Q758-1-3

EST to discuss the key highlights of the expected acquisition of the Dyneema business as well as its first quarter 2022 financial results. 3 Webcast Details Avient will host a webcast on Wednesday, April 20, 2022 at 9:00 a.m. To participate in the audio-only portion of the call, dial 1-844-835- 7433 (domestic) or 1-914-495-8589 (international) and provide conference ID number 4774915. To listen to this recording, dial 1-855-859- 2056 (domestic) or 1-404-537-3406 (international) and provide conference ID number 4774915.

Approve the adoption and amendment of Company stock ownership guidelines and annually review compliance with these guidelines. 3 Non-employee Director Compensation With the assistance of management and any outside advisers the Committee deems appropriate (a) review and discuss with management the Company’s disclosures in the CD&A, and, based on this review, make a recommendation as to whether to include it in the Company’s annual report on Form 10-K and proxy statement relating to the Company’s annual meeting of shareholders, and (b) prepare a Compensation Committee Report for inclusion in the Company’s proxy statement or other applicable SEC filings. 4 Board Reports and Annual Evaluation The Committee shall evaluate whether any compensation consultant retained or to be retained by it has any conflict of interest in accordance with Item 407(e)(3)(iv) of Regulation S-K.

بعض ٹائنگ )شرائط والے( معاہدے، خصوصی ڈیلنگ اور ضروریات سے متعلق معاہدے • مسابقتی فرموں کے درمیان بعض انضمام اور حصول سے، جن کے سبب مقابلہ کو غیر قانونی طور پر نقصان پہنچے • •ایک فرد جو مسابقی کارپوریشنوں کے ڈائریکٹر یا افسر کی حیثیت سے خدمات انجام دیتا ہے 3 رابنسن-پیٹ مین ایکٹ ممنوع قرار دیتا ہے: ایسی صورت میں مسابقتی گاہکوں کے درمیان قیمتوں میں امتیاز، اور تشہیری خدمات کی فراہمی اور الاؤنسز کی فراہمی میں تفریق اگر کچھ قانونی اختیارات کے تقاضے پورے ہوں اور قانون سے متعلق کسی بھی دفاع کا اطلاق نہیں ہوتا ہو • امتیازی قیمت کی ترغیب دینا یا جان بوجھ حاصل کرنا 4 فیڈرل ٹریڈ کمیشن ایکٹ ممنوع قرار دیتا ہے: بصورت دیگر حریف سے براہ راست معلومات )خاص طور پر قیمت کی معلومات( حاصل نہیں کریں۔ 4 دوسری صورت میں اپنے حریف کے ساتھ مسابقتی طور پر حساس .

Date Of Certification: 11 December 2024 Date Of Expiration: 10 December 2027 IATF Certificate N°: 0558656 Bureau Veritas Certification Certificate No: FR094003 - IATF Revision: 1 For Bureau Veritas Certification Holding, Tour ALTO, 4 place des saisons, 92400 COURBEVOIE – France (The official document is in English. Any translations of this document shall be used for reference only.) 1/2 Certificate of Approval AWARDED TO PolyOne France Tossiat Route de la vavrette, 01250, Tossiat - France IATF USI: LWZS4P Bureau Veritas Certification certify that the Quality Management System of the above organisation has been audited and found to be in accordance with the requirements of IATF 16949 - FIRST EDITION and the applicable customer specific requirements SCOPE Design and manufacturing PERMITTED EXCLUSION(S) None PRODUCT(S) DELIVERED colour with additive concentrates for thermoplastic resins and speciality compounds obtained by mixing and extrusion https://e-cer.bureauveritas.com/68LJQE0ZV0CO6I7YW0YSXOUMV9WWROQPHPI2AOHRRLFFVRAVTFVZGXKWIE3TOWLTTKEWCPQB9UNAPXHH6T0HXOMUEDVYPRPJLEXBBTKQYPBRICYOKY143TECQ5UMHGA3JX Date Of Certification: 11 December 2024 Date Of Expiration: 10 December 2027 IATF Certificate N°: 0558656 Bureau Veritas Certification Certificate No: FR094003 - IATF Revision: 1 For Bureau Veritas Certification Holding, Tour ALTO, 4 place des saisons, 92400 COURBEVOIE – France (The official document is in English.

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