Hanna purchased its first polymer company in 1986 and completed its 26th polymer company acquisition in 2000. Polymer Industry Overview Polymers are a class of organic materials that are generally produced by converting natural gas or crude oil derivatives into monomers, such as ethylene, propylene, vinyl chloride and styrene. Polymer formulations have advantages over metals, wood, rubber, glass and other traditional materials, which have resulted in the replacement of these materials across a wide spectrum of applications that range from automobile parts to construction materials.

V IE C IO A U L R E 2 0 4 Innovator of Materials Solutions AVIENT.COM Our purpose at Avient Corporation (NYSE: AVNT) is to be an innovator of materials solutions that help our customers succeed, while enabling a sustainable world. Shareholders will be able to attend and participate in the annual meeting online, vote shares electronically, and submit questions during the annual meeting by visiting www.virtualshareholdermeeting.com/AVNT2025. now Silicor Materials Inc.)

Compared to those alternative materials, Versaflex TF TPEs also do not include plasticizers, and contain lower volatile organic compounds (VOC) than traditional adhesive solutions, reducing concerns over toxicity. Compliant with OEKO-TEX 100-2 Bio-derived Material for Underwear

KEY CHARACTERISTICS • Provides laser marking options of silicone materials • Eliminates the needs for etching and embossing • Faster and cleaner than pad printing • High contrast, permanent markings • Mechanical properties of the silicone matrix are maintained • Compatible with various types of lasers • Chemically resistant • Available in pre-colored or natural MARKETS AND APPLICATIONS Silcosperse LM Laser Marking additive dispersions are suitable for a variety of applications within industries such as: • Consumer Goods • Electronics • Healthcare • Industrial • Transportation • Wire & Cable Typical applications and purposes include: • Traceability, UPC bar-coding, branding • Unique Device Identification (UDI), medical device ID’s • Serialization for pharmaceutical packaging • Safety taggants & equipment • Automotive components • Wire & cable part numbers or gauge size www.avient.com Copyright © 2020, Avient Corporation. Processing conditions can cause material properties to shift from the values stated in the information.

SHENZHEN, China – April 7, 2021 – Avient Corporation, a premier provider of specialized and sustainable material solutions and services, will feat New Edgetek™ and LubriOne™ PKE Materials from Avient Replace Nylon and Acetal, Reduce Carbon Footprint Avient Boosts Aesthetics and Productivity for Consumer Electronics with New Non-Blooming Versaflex™ CE 3130 TPEs

OUR VISION To be the world’s premier provider of specialized polymer materials, services and solutions. Polymer Industry Overview Polymers are a class of organic materials that are generally produced by converting natural gas or crude oil derivatives into monomers, such as ethylene, propylene, vinyl chloride and styrene. Performance Materials (Accella), a leading North American manufacturer of liquid polymer formulations.

PolyOne Corporation Investor Day 2012 PolyOne Investor Presentation Deutsche Bank 2013 Global Industrials and Basic Materials Conference June 12, 2013 • In this presentation, statements that are not reported financial results or other historical information are “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. 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:  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.

These materials increase design flexibility, particularly for 3D antenna designs and complex shapes. In addition, our LDS materials can shorten lead times by supplying materials in just a few weeks to help increase speed to market. Processing conditions can cause material properties to shift from the values stated in the information.

This is the easiest way to submit electronic invoices through Coupa.   The Coupa Supplier Portal is a free website where our suppliers can view and manage their PO’s and submit electronically their invoices (in countries where applicable).

Y A U R T 2 15 1 ABOUT POLYONE PolyOne Corporation, with 2015 revenues of $3.4 billion, is a premier provider of specialized polymer materials, services and solutions. Polymer Industry Overview Polymers are a class of organic materials that are generally produced by converting natural gas or crude oil derivatives into monomers, such as ethylene, propylene, vinyl chloride and styrene. Polymer formulations and structures have advantages over metals, wood, rubber, glass and other traditional materials, which have resulted in the replacement of these materials across a wide spectrum of applications that range from automobile parts to construction materials.