Development and application of SBC compounds to offer good economics and formulation flexibility meeting the end use performance requirements Adhesion mechanisms and novel TPE developments for overmolding

If Buyer has a dispute with respect to an invoice, Buyer must notify Seller within seven (7) business days after the date of invoice. These Terms and the contract they form part of shall be exclusively governed by and construed in accordance with the substantive laws of Switzerland, with the exclusion of the United Nations Convention on Contracts for the International Sale of Goods (“CISG”) dated 11 April 1980 and the Swiss law rules on the conflict-of-laws.

If Buyer has a dispute with respect to an invoice, Buyer must notify Seller within seven (7) business days after the date of invoice. The United Nations Convention respecting Contracts for the International Sale of Goods shall not apply to sales under these Terms. 21.

If Buyer has a dispute with respect to an invoice, Buyer must notify Seller within seven (7) business days after the date of invoice. The United Nations Convention respecting Contracts for the International Sale of Goods shall not apply to sales under these Terms. 21.

If Buyer has a dispute with respect to an invoice, Buyer must notify Seller within seven (7) business days after the date of invoice. The United Nations Convention respecting Contracts for the International Sale of Goods shall not apply to sales under these Terms. 21.

If Buyer has a dispute with respect to an invoice, Buyer must notify Seller within seven (7) business days after the date of invoice. The United Nations Convention respecting Contracts for the International Sale of Goods shall not apply to sales under these Terms. 21.

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: • 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.” 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.

We expect seasonality of the business to play out in the third quarter and estimate sales of $1.15 billion and adjusted EPS of $0.68. Eastern Time on July 30, 2021. 3 *Pro Forma The company acquired the Clariant Masterbatch business (“CMB”) on July 1, 2020 (the “Acquisition Date”). Management believes this provides better comparability of the performance of the combined businesses.

Talent and leadership development of our team also remains a priority and part of the commitment we make to our associates worldwide. In October, we divested our PP&S segment which consisted predominately of the legacy Geon® vinyl business for $775 million. Two months later in December, we announced an agreement to purchase Clariant’s Masterbatch Business, a landmark acquisition and a watershed moment for our Company.

Avient’s featured range of products on display includes customized protection film materials, adhesive TPEs for textile fabric, bio-based TPEs, and specialty engineered materials developed to enhance product performance in the building and construction, automotive, and consumer industries. reSound™ REC TPEs: specially developed for automotive interiors, formulated with 55% post-consumer recycled (PCR) content to offer a more sustainable alternative to standard TPE grades without compromising performance criteria such as ultraviolet (UV) stability, low volatile organic compound (VOC) content, low odor, and low fogging in applications such as heating, ventilation, and air conditioning (HVAC) nozzles, interior mats, and cup holders Versaflex™ PF TPEs: specially developed to create a co-extruded tack layer for surface protective films that can be easily applied and maintain tack with minimal build, peel smoothly during removal, and remove entirely with little to no residue or ghosting.