March 17, 2014

Date: 17/05/2021 ACCOUNTING AND CORPORATE REGULATORY AUTHORITY WHILST EVERY ENDEAVOR IS MADE TO ENSURE THAT INFORMATION PROVIDED IS UPDATED AND CORRECT. w.e.f.17/05/2021) Former Name if any : PERFORMANCE MASTERBATCHES SINGAPORE PTE. DATE : : 17/05/2021 ACRA210517158266 This is computer generated.

name change effective from 17/05/2021) :Company Name 201916958NUEN : This is to confirm that the company was incorporated under the Companies Act, on and from 27/05/2019 and that the company is a PRIVATE COMPANY LIMITED BY SHARES. Any change in company name effected before 13 Jan 2003 will not be listed) TAN YONG TAT ACCOUNTING AND CORPORATE REGULATORY AUTHORITY : 17/05/2021 : Dated SINGAPORE ACRA210517158352Receipt Number ASST REGISTRAR OF COMPANIES & BUSINESS NAMES Authentication No. : A21361131U

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PolyOne IR Presentation - Goldman Sachs Basic Materials Conference - 5/17/2016 PolyOne IR Presentation - Credit Suisse - 9/17/2013 - w Non GAAP Sep 17, 2013

PolyOne IR Presentation - Goldman Sachs Basic Materials Conference - 5/17/2016 PolyOne IR Presentation - Credit Suisse - 9/17/2013 - w Non GAAP Apr 17, 2019

April 17, 2023 PARIS, France – April 17, 2023 – Today, Avient Corporation is excited to announce it will showcase Dyneema® ultra-lightweight specialty fiber for the first time as part of its growing composite materials and sustainable solutions portfolios at JEC World 2023 next week.

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