Factors that could cause actual results to differ materially from those implied by these forward-looking statements include, but are not limited to:  The time required to consummate the divestiture of our resin assets and the satisfaction or waiver of conditions in the sale agreement;  Any material adverse changes in the business supporting the resin assets being sold;  The ability to obtain required regulatory or other third-party approvals and consents and otherwise consummate the proposed divestiture  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 amount and timing of repurchases, if any, of PolyOne common shares and our ability to pay regular quarterly cash dividends and the amounts and timing of any future dividends;  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 maintain appropriate relations with unions and employees; 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.

© 2021 Avient Corporation. doi=10.1002%2Fpen.25815&domain=pdf&date_stamp=2021-10-12 antimicrobial products has also illuminated the additional benefits they may offer as an additive for material preservation. Avient Corp., Avon Lake, OH) containing ZPT (Lonza Group AG, Morristown, New Jersey) was formulated into select grades of Versaflex™ and OnFlex™ GLS™ TPEs.

Clariant Revenue Synergies Avient Corporation 19 Avient Corporation 20 Customer Experience I N S P I R A T I O N . Avient is High Touch Avient Corporation 130 86 93 85 82 79 77 74 89 85 82 81 79 78 77 74 72 25 2021E (%) 1. D tr ib u tio Avient Corporation 132 ex .

AVIENT RESPONSIBLE CARE POLICY Avient Corporation conducts its operations in a manner that is protective of the environment, and the health, safety and security of associates, customers, and all our stakeholders, including the communities in which we operate. It is Avient’s expectation that our stakeholders be equally committed to environmental responsibility. It is Avient’s expectations that our stakeholders be equally committed to operating in a safe manner.

Avient Corporation Adaylar İçin Gizlilik Bildirimi Avient ile çalışmak için gösterdiğiniz ilgiye teşekkür ederiz. Avient Corporation ve iştirakleri (topluca “Avient,” “biz”, “bize” veya “bizim”) iş başvuru sahiplerinden çevrimiçi iş başvuru sürecimiz ve diğer kanallar üzerinden toplanan kişisel bilgileri ve gizliliği korumayı taahhüt eder. Avient, otomatik karar alma veya profil oluşturma faaliyetlerini gerçekleştirmez.

Avient Corporation Informativa sulla privacy dei candidati Apprezziamo il tuo interesse a lavorare per Avient. Per ulteriori informazioni su come Avient elabora le tue informazioni personali per questi servizi e siti web di terzi, visita l'Informativa sulla privacy di Avient Corporation, disponibile su https://www.avient.com/company/policies- and-governance/avient-corporation-privacy-statement). Avient non segue processi decisionali automatizzati o pratiche di profiling.

Avient Corporation Aviso de privacidad del Candidato Agradecemos su interés en trabajar para Avient. Para obtener mas información acerca de como Avient trata sus datos personales para estos servicios y sitios web externos, le pedimos que visite la Declaración de Privacidad de Avient Corporation, disponible en https://www.avient.com/company/policies-and-governance/avient-corporation-privacy-statement). HH. y a otros sistemas de la empresa Avient.

Avient 公 司 应聘者隐私声明 我们对您有兴趣为 Avient 工作表示欢迎 。 Avient 公 司及其关联 公 司 （统称为 “Avient”、“我们 ”或 “我们的 ”） 致力于保护通过我们的在线职位申请流程及其它渠道由求职者收集的隐私和个人信息 。 请注意 ，适用法律可能要求 ，Avient 将您的简 历或履历保留一段时间 ，即使您请求 Avient 不考虑您的就业候选资格 。

Avient’s chief operating decision maker uses these financial measures to monitor and evaluate the ongoing performance of Avient and each business segment and to allocate resources. Each of such adjustments has not yet occurred, are out of Avient’s control and/or cannot be reasonably predicted. Senior management believes the measures described above are useful to investors because they allow for comparison to Avient's performance in prior periods without the effect of items that, by their nature, tend to obscure Avient's operating results due to the potential variability across periods based on timing, frequency and magnitude.

Avient Corporation Corporate Governance Guidelines The Board of Directors (the “Board”) of Avient Corporation (the “Company”) has adopted the following Corporate Governance Guidelines (the “Guidelines”). The following relationships will not be considered to be material relationships that would impair a director’s independence: (i) If the director is, or has an immediate family member who is, a partner (general or limited) in, or a controlling stockholder, equity holder, executive officer, other employee, or director of, any organization to which the Company made, or from which the Company received, payments for property or services in the current or any of the past three fiscal years where the amount involved in such transaction in any such fiscal year was less than the greater of $1 million or 2% of the organization’s consolidated gross revenues for that year; (ii) If the director is, or has an immediate family member who is, a director or trustee of any organization to which the Company has made, or from which the Company has received payments for property or services, and the director (or his/her immediate family member) was not involved in the negotiations of the terms of the transaction, did not, to the extent applicable, provide any services directly to the Company, and did not receive any special benefits as a result of the transaction; or (iii) If the director, or an immediate family member of the director, serves as an officer, director or trustee of a foundation, university, charitable or other not-for-profit organization, and the Company’s discretionary charitable contributions to the organization, in the aggregate are less than the greater of $1 million or 2% of that organization’s latest publicly available annual consolidated gross revenues. March 6, 2024 Avient Corporation Corporate Governance Guidelines 1.