news library online, please visit www.avient.com/news. View original content:http://www.prnewswire.com/news-releases/polyone-raises-outlook-for-fourth-quarter-2019-adjusted-earnings-300977364.html SEARCH INVESTOR NEWS

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IRWIN Senior Vice President, New Business Development & Marketing Excellence Mike Irwin is Senior Vice President, New Business Development & Marketing Excellence at Avient Corporation, an innovator of materials solutions that help customers succeed while enabling a sustainable world. He leads the company’s efforts to drive new business development and market development, enhance marketing excellence across Avient, and advance our commercial excellence programs. During his tenure, he also served in an international assignment while based in Germany where he established and led the new business and marketing function during the integration of a large acquisition.

IRWIN Senior Vice President, New Business Development & Marketing Excellence Mike Irwin is Senior Vice President, New Business Development & Marketing Excellence for Avient Corporation, the world’s premier provider of specialized and sustainable material solutions and services. He leads the company’s efforts to drive new business development and market development, enhance marketing excellence across Avient, and advance our commercial excellence programs. During his tenure, he also served in an international assignment while based in Germany where he established and led the new business and marketing function during the integration of a large acquisition.

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Certificate of Incorporation AVIENT NEW ZEALAND LIMITED 64590 NZBN: 9429040671338 This is to certify that HOECHST (NEW ZEALAND) LIMITED was incorporated under the Companies Act 1955 on the 3rd day of May 1963 and changed its name to HOECHST NEW ZEALAND LIMITED on the 30th day of January 1974 and was reregistered to become a company under the Companies Act 1993 on the 3rd day of April 1995 and changed its name to CLARIANT (NEW ZEALAND) LIMITED on the 27th day of June 1997 and changed its name to AVIENT NEW ZEALAND LIMITED on the 17th day of May 2021.

CASE STUDY: MAXXAM™ POLYOLEFIN FORMULATIONS NEW MATERIAL FOR PRECISELY ENGINEERED VEHICLE Challe nge Accepted. Create a new olefinic material for an HVAC door flap that would remove weight and withstand copper deposits in a luxury vehicle for an exclusive German automaker. In addition, the new material also provides anti-static properties and low VOC levels, which helps the system adhere to regulations such as the Vehicle Interior Air Quality (VIAQ) standard.

NEWS RELEASE FOR IMMEDIATE RELEASE Avient Announces Registration Details for 2023 Sustainability Day CLEVELAND – August 28, 2023 – Avient Corporation (NYSE: AVNT), a leading provider of specialized and sustainable material solutions, has announced registration details for a virtual Sustainability Day for investment professionals on Wednesday, September 20, 2023, from 9 a.m. – 11 a.m. To access Avient’s news library online, please visit www.avient.com/news # # # Investor Relations Contact: Giuseppe (Joe) Di Salvo Vice President, Treasurer and Investor Relations +1 440-930-1921 giuseppe.disalvo@avient.com Media Contact: Kyle G. Rose Vice President, Marketing and Communications +1 440-930-3162 kyle.rose@avient.com https://www.avient.com/ https://www.avient.com/news mailto:giuseppe.disalvo@avient.com mailto:kyle.rose@avient.com

Microsoft Word - Final - 7.29 1158am AVNT-2021.06.30-News Release (002) 1 NEWS RELEASE FOR IMMEDIATE RELEASE Avient Announces Record Second Quarter 2021 Results, Increases Full Year Guidance • GAAP EPS from continuing operations increased to $0.74 from $0.25 in the prior year quarter • Sales increased 42% to $1.235 billion and adjusted EPS increased 107% to $0.87 driven by very strong demand conditions in nearly all end markets • Full year adjusted EPS guidance for 2021 increased from $2.80 to $3.00, representing 55% growth over the prior year adjusted EPS of $1.93 • Investor Day to be held December 9th in New York City will highlight sustainable solutions portfolio and innovation to drive future growth CLEVELAND – July 30, 2021 – Avient Corporation (NYSE: AVNT), a leading provider of specialized and sustainable material solutions, today reported its second quarter results for 2021. Sustainability Report and Upcoming Investor Day “We plan to host an investor day in New York City on December 9 to highlight our sustainable solutions portfolio, Clariant Masterbatch integration synergies and future growth plans. We undertake no obligation to publicly update forward-looking statements, whether as a result of new information, future events or otherwise.

We undertake no obligation to publicly update forward-looking statements, whether as a result of new information, future events or otherwise. View original content to download multimedia:http://www.prnewswire.com/news-releases/polyone-announces-seventh-consecutive-annual-increase-in-quarterly-dividend-300729890.html SEARCH INVESTOR NEWS