https://www.avient.com/sites/default/files/2024-12/Avient Norwalk A2LA ISO17025-17.pdf
No. 0962.01) 09/05/2023 Page 1 of 1 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 AVIENT CORPORATION 80 North West Street Norwalk, OH 44857 Craig Polta Phone: 419 660 4278 MECHANICAL Valid To: September 30, 2025 Certificate Number: 0962.01 In recognition of the successful completion of the A2LA evaluation process, accreditation is granted to this laboratory to perform the following tests on plastics: Test Method(s) Test Name ASTM D256; ISO 180 Notched Izod ISO 179 (1eA) Determination of Charpy Impact ASTM D523 Gloss ASTM D618 (Method A) Conditioning of Test Specimens ASTM D792 (Method A) Specific Gravity ASTM D1238 (Method B) Melt Flow Rate ASTM D3012 Thermal Oxidative Stability ASTM D3641 Injection Molding Test Specimens FMVSS 302 Flammability ASTM E1331; SAE J1545 Spectrophotometric Color Difference SAE J1885 (Rev.
https://www.avient.com/investor-center/news/polyone-announces-leadership-appointments
Investor Relations Contact: Joe Di Salvo, Vice President, Treasurer and Investor Relations, PolyOne Corporation, +1 440-930-1921, giuseppe.disalvo@avient.com; Media Contact: Kyle G.
https://www.avient.com/investor-center/news/polyone-completes-clariant-masterbatch-acquisition-announces-new-name-avient-corporation
Investor Relations Contact: Joe Di Salvo, Vice President, Treasurer and Investor Relations, Avient Corporation, +1 440-930-1921, giuseppe.disalvo@avient.com; Media Contact: Kyle G.
https://www.avient.com/investor-center/news/avient-expands-sustainable-solutions-portfolio-acquisition-magna-colours-ltd
Investor Relations Contact: Giuseppe (Joe) Di Salvo, Vice President, Treasurer and Investor Relations, Avient Corporation, +1 440-930-1921, giuseppe.disalvo@avient.com; Media Contact: Kyle G.
https://www.avient.com/investor-center/news/avient-announces-commencement-725-million-senior-notes-offering
Investor Relations Contact: Giuseppe (Joe) Di Salvo, Vice President, Treasurer and Investor Relations, Avient Corporation, +1 440-930-1921, giuseppe.disalvo@avient.com; or Media Contact: Kyle G.
https://www.avient.com/investor-center/news/avient-announces-pricing-725-million-7125-senior-notes-due-2030
Investor Relations Contact: Giuseppe (Joe) Di Salvo, Vice President, Treasurer and Investor Relations, Avient Corporation, +1 440-930-1921, giuseppe.disalvo@avient.com; Media Contact: Kyle G.
https://www.avient.com/investor-center/news/avient-signs-agreement-divest-distribution-business-hig-capital-950-million
Investor Relations Contact: Giuseppe (Joe) Di Salvo, Vice President, Treasurer and Investor Relations, Avient Corporation, 1 440-930-1921, giuseppe.disalvo@avient.com; Media Contact: Kyle G.
https://www.avient.com/investor-center/news/avient-completes-acquisition-dsm-protective-materials-dyneema
Investor Relations Contact: Giuseppe (Joe) Di Salvo, Vice President, Treasurer and Investor Relations, Avient Corporation, +1 440-930-1921, giuseppe.disalvo@avient.com, or Media Contact: Kyle G.
https://www.avient.com/investor-center/news/avient-appoints-ashish-k-khandpur-chief-executive-officer-effective-december-1-2023
Investor Relations, Giuseppe (Joe) Di Salvo, Vice President, Treasurer and Investor Relations, Avient Corporation, +1 440-930-1921, giuseppe.disalvo@avient.com; Media, Kyle G.
https://www.avient.com/investor-center/news/polyone-announces-exercise-option-purchase-additional-common-shares
Investor Relations - Joe Di Salvo, Vice President, Treasurer and Investor Relations, PolyOne Corporation, +1 440-930-1921, giuseppe.disalvo@avient.com | Media - Kyle G.