Microsoft Word - Avient Announces Registration Details for December 4th Investor Day _for Microsite 1 NEWS RELEASE FOR IMMEDIATE RELEASE Avient Announces Registration Details for December 4th Investor Day CLEVELAND – November 4, 2024 – Avient Corporation (NYSE: AVNT), a leading provider of specialized and sustainable materials solutions, will host an Investor Day for the investment community on Wednesday, December 4, 2024, beginning at 10:00 a.m. I am looking forward to the opportunity to share the details of our strategic approach for the next chapter of Avient,” said Dr. For more information, visit https://www.avient.com.

I look forward to sharing more details in our third quarter earnings call and at our upcoming investor day in New York City on December 4th." 3 Sustainability Report Release The company also announced the release of its latest Sustainability Report, now available at www.avient.com/sustainability. Webcast Details Avient will provide additional details on its 2024 second quarter and 2024 full-year outlook during its webcast scheduled for 8:00 a.m. A recording of the webcast and the slide presentation will be available at avient.com/investors/events-presentations immediately following the conference call and will be accessible for one year. https://www.avient.com/investors https://edge.media-server.com/mmc/p/pyh3w2ip/ https://www.avient.com/investors https://register.vevent.com/register/BId7a8a09515a442e9b13c4d5558d927fe https://www.avient.com/investors/events-presentations 4 Non-GAAP Financial Measures The Company uses both GAAP (generally accepted accounting principles) and non-GAAP financial measures.

 Factors that could cause actual results to differ materially from those implied by these forward-looking statements include, but are not limited to:  The final amount of charges resulting from the planned North American asset realignment and the Company’s ability to realize anticipated savings and operational benefits from the asset realignment;  Our ability to achieve the strategic and other objectives relating to the acquisition of Spartech Corporation, including any expected synergies;  Our ability to successfully integrate Spartech and achieve the expected results of the acquisition, including, without limitation, the acquisition being accretive;  Disruptions, uncertainty or volatility in the credit markets that could adversely impact the availability of credit already arranged and the availability and cost of credit in the future;  The financial condition of our customers, including the ability of customers (especially those that may be highly leveraged and those with inadequate liquidity) to maintain their credit availability;  The speed and extent of an economic recovery, including the recovery of the housing market;  Our ability to achieve new business gains;  The effect on foreign operations of currency fluctuations, tariffs, and other political, economic and regulatory risks;  Changes in polymer consumption growth rates in the markets where we conduct business;  Changes in global industry capacity or in the rate at which anticipated changes in industry capacity come online;  Fluctuations in raw material prices, quality and supply and in energy prices and supply;  Production outages or material costs associated with scheduled or unscheduled maintenance programs;  Unanticipated developments that could occur with respect to contingencies such as litigation and environmental matters;  An inability to achieve or delays in achieving or achievement of less than the anticipated financial benefit from initiatives related to working capital reductions, cost reductions, employee productivity goals, and an inability to raise or sustain prices for products or services;  An inability to raise or sustain prices for products or services;  An inability to maintain appropriate relations with unions and employees;  The inability to achieve expected results from our acquisition activities;  Our ability to continue to pay cash dividends;  The amount and timing of repurchases of our common shares, if any; and  Other factors affecting our business beyond our control, including, without limitation, changes in the general economy, changes in interest rates and changes in the rate of inflation.  The above list of factors is not exhaustive.  We undertake no obligation to publicly update forward-looking statements, whether as a result of new information, future events or otherwise. VP / President Performance Products & Solutions Industrial Sporting Goods Consumer Textiles 6) Color and Design Services Fernando Sanchez Director Global Marketing Packaging Healthcare Consumer Automotive 3) 3D Printing Cathy K. Dodd Vice President Marketing Prototyping Services Design Support Fused Deposition Modeling Consumer Healthcare Aerospace Packaging Transportation 4) Enhanced Ergonomic Technologies Craig M.

Factors that could cause our actual results to diff er materially from those implied by forward-looking statements are described in detail in Part l of the Form 10-K. We kept safety first, used service as our timeless diff erentiator, and executed our proven four-pillar strategy. For the year, our stock price increased 32%, outpacing the S&P 500 and S&P Mid Cap Index.

Temporary contract workers, independent contractors, and consultants are subject to the provisions of the relevant service agreements. Confidential 5 Avient IT Department Information Systems Use Policy September 1, 2021 QUESTIONS AND ADDITIONAL INFORMATION For additional details regarding cybersecurity and incidence response, please refer to Avient’s Cyber and Data Incident Response Policy. Information Systems” – any software, hardware, firmware, data networks, physical or remote storage media, or other digital services used, owned, accessed, controlled, leased, or operated by Avient.

Our track record of thorough, timely, and cost-effective service is the backbone of our service offering. Our work is consistent and confidential We have been servicing the medical device industry for decades and are recognized for our professional and confi dential services. Our track record of thorough, timely, and cost-effective service is the backbone of our service offering.

a North American producer of color and additive materials and services. in more detail on its second quarter investor call. is a premier provider of specialized polymer materials, services and solutions.

SELF-SERVICE 1. Evaluate on-screen multiple color formulation options to meet your required specification: • Color accuracy • Regulatory compliance • Price • Performance, including lightfastness, outdoor use, reduced warpage and processing temperature 4. Technical Support Services Our team of technical service engineers are located globally to provide full training and manufacturing support.

as well as the beginnings of our IQ Design services which are now broadly used across the entire company." We intend to leverage these assets going forward, as well as seek out new investments that expand our material science, polymer formulation and world-class service capabilities.  The company will discuss additional details of the transaction on its second quarter 2017 conference call.

VIDEO NOTE: PolyOne has created a video detailing this collaboration, which can be viewed here: A Pioneering Vision Correction Solution for the Developing World PolyOne Corporation, with 2018 revenues of $3.5 billion, is a premier provider of specialized polymer materials, services and solutions. For more information, visit https://www.alphatoolandmold.com.