Certificate of Product Liability Insurance Provided upon request, contact your sales representative. Business Continuation Plan Backup plans have been established in some facilities in case of production site/line disruption to ensure service continuity to customers. The plan covers all locations where services are provided and covers fire, water, storm, bomb threat, site security, and information systems security failure scenarios.

To provide comparable financial results, Avient references “pro forma” financial metrics, which include the business results of Clariant Color for periods prior to the Acquisition Date. Management believes this provides comparability of the performance of the combined businesses. A reconciliation of these measures to their most directly comparable GAAP measures is provided in the tables below.

Avient Corporation, a premier provider of specialised and sustainable material solutions and services, has invested in testing equipment, personnel, and software to help its customers gain insight into its unique material solutions and how they perform. In addition to providing a robust way to account for differing gate locations from the manufacturing process, Hexagon’s Digimat multiscale modelling approach provides significant improvements in the accuracy of the stiffness and failure. Hexagon’s Manufacturing Intelligence division provides solutions that use data from design and engineering, production and metrology to make manufacturing smarter.

• 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. 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. Strong past performance demonstrates that our strategy and execution are working • Megatrends align with our strengths • Innovation and services provide differentiation, incremental pricing power, and competitive advantage • Strong and proven management team driving growth and performance • Addressable market exceeds $40 billion Page 14 1 Schedule I Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except per share data) Below is a reconciliation of non-GAAP financial measures to the most directly comparable measures calculated and presented in accordance with U.S.

Customers count on us for on-time, high- quality products and services, and we proudly accept the challenge to deliver. Community Service Avient offers a global benefit of Community Service hours. It provides clarity with no negative impact to the recycle stream.

This document is issued by the Company subject to SGS General Conditions of certification services available on Terms and Conditions | SGS. Certified since 06 September 2008 Jonathan Hall Global Head - Certification Services Authorised by SGS United Kingdom Ltd Rossmore Business Park, Ellesmere Port, Cheshire, CH65 3EN, UK t +44 (0)151 350-6666 - www.sgs.com https://www.sgs.com/en/terms-and-conditions/

Perfect for Food & Beverage PET and rPET are non-toxic, do not react with foods, and provide thermal insulation. Because residents are required by law to separate their recyclables, compostables and landfill trash, there are clear processes and support services to help residents and renters set up and maintain their recycling services. https://sfenvironment.org/es/zero-waste/recycling-and-composting/residential-recycling-and-composting What is the State of the rPET Industry Today? STAGE SOLUTION CAPABILITIES Polymer Recycling ColorMatrix™ rePrize™ - Increases intrinsic viscosity to enhance use of recycled PET - Reduces yellowing and decontamination Materials Selection ColorMatrix™ Joule™ RHB - Reduces the energy required and costs - Ensures minimal yellowing and light-weighting Preform Molding ColorMatrix™ AAzure™ - Reduces yellowing and acetaldehyde levels for improved bottled strength Preform Molding ColorWorks™ - Provides a range of possible colors for end products based on the color of the rPET available for use Preform Molding Rejoin™ PCR Masterbatch - Combines pigments and functional additives with a 100% PCR carrier for polyolefins - Enables packaging that is 100% PCR Bottle Blowing & Filling ColorMatrix™ Optica™ - Excellent acid & thermal stability to reduce yellowing and create a haze-free container Bottle Blowing & Filling ColorMatrix™ Smartheat RHC™ Process Aid - Optimizes weight distribution to increase bottle strength and quality - Reduces energy required and costs Sales, Distribution, Consumption ColorMatrix™ Amosorb™ - Scavenges oxygen to extend the shelf life and preserve the freshness of food or beverages within container Sales, Distribution, Consumption ColorMatrix™ Ultimate™ UV - Blocks ultraviolet light transmission to protect the container and its contents - Enables light-weighting Sales, Distribution, Consumption ColorMatrix™ Lactra™ - High-performance light blocking that extends the shelf life of light-sensitive dairy products Taking the Next Steps Move Your Sustainability to the Next Level Because sustainable material solutions and technology are evolving at the speed of life, it takes fresh thinking, agile R & D, and imaginative use of next-generation materials to bring life-changing products to market safely and quickly.

Provide air assist release

In doing so, we innovate solutions that help our customers overcome their challenges or capitalize on opportunities provided by the fast-changing world and secular trends. 

In doing so, we innovate solutions that help our customers overcome their challenges or capitalize on opportunities provided by the fast-changing world and secular trends.