business (including the Dyneema® brand) ("Dyneema") and that it is exploring the sale of its Distribution business. to discuss second quarter results and provide more details about the Dyneema acquisition and potential sale of its Distribution business. Business Segment Operations (Unaudited)

Loss on sale of business, net of tax Business acquisitions, net of cash acquired Proceeds from sale of business and other assets

Completed acquisition of Clariant's masterbatch business for net purchase price of approximately $1.4 billion and announced new company name: Avient Corporation Business acquisitions, net of cash acquired Avient Corporation Business Segment Operations (Unaudited) (In millions)

They are based on management’s expectations that involve a number of business risks and uncertainties, any of which could cause actual results to differ materially from those expressed in or implied by the forward-looking statements.  Factors that could cause actual results to differ materially from those implied by these forward-looking statements include, but are not limited to: • Our ability to identify and evaluate acquisition targets and consummate acquisitions; • The ability to successfully integrate acquired companies into our operations, retain the management teams of acquired companies, retain relationships with customers of acquired companies, and achieve the expected results of such acquisitions, including whether such businesses will be accretive to our earnings; • 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; • 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 and laws and regulations regarding the disposal of plastic in jurisdictions 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 and employee productivity goals; • Information systems failures and cyber attacks; • Our ability to continue to pay regular cash dividends and the amounts and timing of any future dividends; 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  PolyOne’s chief operating decision maker uses these financial measures to monitor and evaluate the ongoing performance of the Company and each business segment and to allocate resources.

Performance Products and Solutions Performance Products and Solutions is comprised of the Geon Performance Materials (Geon) and Producer Services business units. As noted above in Item 1, “Business,” we have extensive operations outside of the United States. Performance Products and Solutions Performance Products and Solutions is comprised of the Geon Performance Materials (Geon) and Producer Services business units.

Performance Products and Solutions Performance Products and Solutions is comprised of the Geon Performance Materials and Producer Services business units. As noted above in Item 1, “Business,” we have extensive operations outside of the United States. Performance Products and Solutions Performance Products and Solutions is comprised of the Geon Performance Materials and Producer Services business units.

Progress toward this goal is measured at the business unit and regional levels, communicated globally, and linked to a number of recognition mechanisms. Garratt's 2022 Annual Incentive Program opportunities were based on both business-unit specific results and on consolidated Avient adjusted operating income results. Garratt's 2022 Annual Incentive Program opportunities were based on a combination of business unit specific results and total company results.

MSC Certificate Place and date: For the issuing office: Shanghai, 10 October 2024 DNV - Business Assurance Building 9, No. 1591 Hongqiao Road, Changning District, Shanghai, China 200336 Zhu Hai Ming Management Representative Lack of fulfilment of conditions as set out in the Certification Agreement may render this Certificate invalid. ACCREDITED UNIT: DNV Business Assurance B.V., Zwolseweg 1, 2994 LB, Barendrecht, Netherlands - TEL: +31(0)102922689. www.dnv.com/assurance MANAGEMENT SYSTEM CERTIFICATE Certificate no.: 3033-2006-AQ-RGC-RvA Initial certification date: 07 November 2018 Valid: 08 November 2024 – 07 November 2027 This is to certify that the management system of Polyone - Shenzhen Co., Ltd. 获得认可的单位: DNV Business Assurance B.V., Zwolseweg 1, 2994 LB, Barendrecht, Netherlands - TEL: +31(0)102922689. www.dnv.com/assurance 本证书信息可在国家认证认可监督管理委员会官方网站（WWW.CNCA.GOV.CN） 上查询 管理体系认证证书 证书号码: 3033-2006-AQ-RGC-RvA 首次签发日期: 2018年11月 07日 有效期限: 2024年11月 08日 – 2027年11月 07日 兹证明 普立万聚合体（深圳）有限公司 中国广东省深圳市宝安区沙井镇蚝乡路启航工业园1号 518104 统一社会信用代码：9144030076498189X0 质量管理体系符合 : GB/T 19001-2016 / ISO 9001:2015标准 此证书对下列范围有效: 色母粒，色浆，增塑溶胶的开发和制造；塑料改性材料的制造 http://www.dnv.com/assurance WWW.CNCA.GOV.CN）上查询

Performance Products and Solutions Performance Products and Solutions is comprised of the Geon Performance Materials (Geon) and Producer Services business units. The Producer Services business unit offers contract manufacturing and outsourced polymer manufacturing services to resin producers and polymer marketers, primarily in the United States and Mexico, as well as its own proprietary formulations for certain applications. Performance Products and Solutions Performance Products and Solutions is comprised of the Geon Performance Materials (Geon) and Producer Services business units.

I am encouraged by our new business wins and operational improvements and confident we have the right team in place as we continue to transform the legacy Spartech businesses.” Gain on sale of business PolyOne Corporation Business Segment and Platform Operations (Unaudited) (In millions)