Therefore, to avoid any appearance of impropriety, the Company has established four “blackout periods” annually during which Covered Employees and their Related Persons will not be permitted to trade in Company securities and Covered Employees should anticipate that no trade in the Company’s securities during such blackout periods will be pre-cleared. Additional Requirements: The Company’s directors and officers who are subject to the reporting and liability provisions of Section 16 of the Securities Exchange Act of 1934 or the restrictions applicable to “affiliates” under Rule 144 promulgated by the Securities and Exchange Commission will be informed of their status by the General Counsel and are reminded that additional policies and procedures are applicable to them. 17. Sanders By Phone: (440) 930-1318 or By E-Mail: Amy.Sanders@Avient.com Jamie Beggs By Phone: (440) 930-3574 or By E-Mail: Jamie.Beggs@Avient.com mailto:Amy.Sanders@Avient.com mailto:Jamie.Beggs@Avient.com Revised: December 20, 2024 ANNEX C The following list illustrates examples of types of information that may be considered Inside Information, if not yet available to the public: Ø Unpublished monthly, quarterly or annual financial information, statements or reports for the Company or its subsidiaries; Ø Proposed mergers, acquisitions and divestitures; Ø Proposed new security issues; Ø Liquidity or cash problems; Ø Changes in earnings, dividends or other financial information; Ø Pending patents or new products; Ø Credit history; Ø Information concerning significant changes in the business or personal lives of senior-level management; Ø The existence of and risks associated with significant threatened or pending litigation; Ø Significant regulatory proceedings and governmental investigations involving the Company; Ø Significant cybersecurity incidents involving the Company; and Ø Awareness that the Company or management’s expectations regarding Company performance differ significantly from analysts’ expectations.

Factors that could cause actual results to differ materially from those implied by these forward-looking statements include, but are not limited to: • 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 effect on foreign operations of currency fluctuations, tariffs and other political, economic and regulatory risks; • Disruptions or inefficiencies in our supply chain, logistics, or operations; • Changes in laws and regulations in jurisdictions where we conduct business, including with respect to plastics and climate change; • Fluctuations in raw material prices, quality and supply, and in energy prices and supply; • Demand for our products and services; • 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; • Our ability to pay regular quarterly cash dividends and the amounts and timing of any future dividends; • Information systems failures and cyberattacks; • Amounts for cash and non-cash charges related to restructuring plans that may differ from original estimates, including because of timing changes associated with the underlying actions; • Our ability to achieve strategic objectives and successfully integrate acquisitions, including the implementation of a cloud-based enterprise resource planning system, S/4HANA; • Other factors affecting our business beyond our control, including without limitation, changes in the general economy, changes in interest rates, changes in the rate of inflation, geopolitical conflicts and any recessionary conditions; and • Other factors described in our Annual Report on Form 10-K for the year ended December 31, 2023 under Item 1A, “Risk Factors.” You are advised to consult any further disclosures we make on related subjects in our reports on Form 10-Q, 8-K and 10-K that we provide to the Securities and Exchange Commission. In addition, operating income before the effect of special items is a component of Avient’s annual incentive plans and is used in debt covenant computations.

For an annual number of units required of 500,000 parts per year, a buyer would require the following pounds of material excluding runner system and scrap (454 g/lbs conversion factor):

PACK EXPO International, one of the most highly regarded packaging exhibitions in the world, is held annually and features the latest innovations and trends in the processing and packaging industry.

An average annual generation growth of 25% during 2022-2030 is needed to follow the Net Zero Emissions by 2050 Scenario, as set out by the IEA.    

An average annual generation growth of 25% is needed from 2022-2030 to meet the Net Zero Emissions by 2050 Scenario set out by the IEA.  

and are held annually to give recognition to those who have made the most significant contributions to innovation in food & beverage, packaging, plastics, metalworking, personal care, industrial laser and other industries.

Switching to Avient's GLS™ TPEs enabled Brooks to move to a single injection molding process, yielding a 30-40 percent reduction in energy usage and a projected savings of $80,000 to $100,000 annually. 

The decision to redesign the valve insert paid off in multiple ways for the medical device manufacturer, generating a total annual savings of more than $175,000 a year.

In 2013, the Mars LED assembly was honored as a finalist in the annual Automotive Innovation Awards competition of the Society of Plastics Engineers (SPE).