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 proposed acquisitions described in this presentation; • The satisfaction or waiver of conditions in the purchase agreements for the proposed acquisitions; • Any material adverse changes in the business of Clariant’s Color and Additive Masterbatch business; • The ability to obtain required regulatory or other third-party approvals and consents and otherwise consummate the proposed acquisitions; • Our ability to achieve the strategic and other objectives relating to the proposed acquisitions, including any expected synergies; • Our ability to successfully integrate Clariant’s Color and Additive Masterbatch business and achieve the expected results of the acquisitions, including, without limitation, the acquisitions 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 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 plastics 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 raise or sustain prices for products or services; • An ability to achieve or delays in achieving or achievement of less than the anticipated financial benefit from initiatives related to acquisition and integration, working capital reductions, costs reductions and employee productivity goals; • Information systems failures and cyberattacks; 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 executive officer uses these financial measures to monitor and evaluate the ongoing performance of the Company and each business segment and to allocate resources.

Water Street North Baltimore OH 45872 United States Avient Corporation NEU Specialty Engineered Materials, LLC Compound, Supply, and Prototyping Services of Thermoplastics 15 Corporate Drive North Haven CT 06473 United States Avient Corporation Design and Manufacture of Colorants and Additives for Plastics 80 North West Street Norwalk OH 44857 United States RC14001®:2023RC14001®:2023 Certificate Of ConformanceCertificate Of Conformance ANNEXANNEX Certificate No: 65536 Avient CorporationAvient Corporation At the below facilities FACILITY NAMEFACILITY NAME FACILITY ACTIVITYFACILITY ACTIVITY ADDRESSADDRESS Copyright as of the Effective Date, ABS Quality Evaluations, Inc. Page 4 of 5 https://abs.zertic.com https://abs.zertic.com Avient Corporation Design & Manufacture of Color, Additive Concentrate & Specialty Compounds Renaissance Industrial & Warehousing Complex, Unit No. Unit 3 Dodworth Business Park, Dodworth Barnsley South Yorkshire S75 3SP United Kingdom RC14001®:2023RC14001®:2023 Certificate Of ConformanceCertificate Of Conformance ANNEXANNEX Certificate No: 65536 Avient CorporationAvient Corporation At the below facilities FACILITY NAMEFACILITY NAME FACILITY ACTIVITYFACILITY ACTIVITY ADDRESSADDRESS Copyright as of the Effective Date, ABS Quality Evaluations, Inc.

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. Business acquisitions, net of cash acquired Business Segment and Platform Operations (Unaudited)

Units are typically given in psi or kiloNewtons per meter (kN/m). United States Pharmacopeia (USP) Typical applications covered by UL specifications include hand-held electronics, business machines and appliances.

As a global company headquartered in the United States, both U.S. laws and the laws and regulations of other countries where we do business apply to our activities. If the local policies or guidelines at a certain business unit or location are stricter than the policy or guideline in the Code, you must always follow the stricter policy. They are also responsible to make all necessary disclosures in accordance with generally accepted accounting principles in effect in the United States and other applicable countries.

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:• 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 achieve the strategic and other objectives relating to the Spartech acquisition, 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;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;g p y p g ;  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;, , p y p y g , y p p ;  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.      • PolyOne’s chief operating decision makers use these financial measures to  monitor and evaluate the ongoing performance of the Company and each  business segment and to allocate resources. 

Page 1 of 4 https://abs.ez2xs.com https://abs.ez2xs.com ISO 9001:2015ISO 9001:2015 Certificate Of ConformanceCertificate Of Conformance ANNEXANNEX Certificate No.: 65799 Avient Avient CorporationCorporation At the below facilities FACILITY NAMEFACILITY NAME FACILITY ACTIVITYFACILITY ACTIVITY ADDRESSADDRESS Avient Corporation - Avon Lake, OH Management of QMS, Design and manufacture of colour and additive concentrates, thermoplastic resins and specialty compounds 33587 Walker Road Avon Lake OH 44012 United States Avient (Argentina) SA Administration, Site management, Manufacture, Laboratory (QC and Colormatching), Procurement, Maintenance, Infrastructure, Warehouse and Transport, Sales Av. Langiewicza 50 95-050 Konstantynów Łódzki Poland Clariant Masterbatches (Saudi Arabia) Ltd Administration, Site management, Manufacture, Laboratory, Procurement, Maintenance, Infrastructure, Warehouse and Transport 2nd Industrial City, Al-Kharj Road Riyadh Saudi Arabia Avient Colorants Singapore Pte Ltd Administration, Site management, Manufacture, Laboratory, Procurement, Maintenance, Infrastructure, Warehouse and Transport 1 International Business Park Singapore 609917 Avient Colorants Singapore Pte Ltd Administration, Site management, Manufacture, Laboratory, Procurement, Maintenance, Infrastructure, Warehouse and Transport 8 Third Chin Bee Road Singapore 618684 Avient South Africa (Pty) Ltd. Organize Sanayi Bölgesi, 83539 27060 Sehitkamil Türkiye Avient Colorants USA LLC Administration, Site management, Manufacture, Laboratory, Procurement, Maintenance, Infrastructure, Warehouse and Transport 926 Elliott Road Albion MI 49224 United States Avient Corporation Administration, Site management, Manufacture, Laboratory, Procurement, Maintenance, Infrastructure, Warehouse and Transport 3023 Mayo Street Dalton GA 30720 United States Avient Corporation Administration, Site management, Manufacture, Laboratory, Procurement, Maintenance, Infrastructure, Warehouse and Transport 85 Industrial Park Holden MA 01520 United States Avient Corporation Administration, Site management, Manufacture, Laboratory, Procurement, Maintenance, Infrastructure, Warehouse and Transport 17 Foss Road Lewiston ME 04240 United States Avient Corporation Administration, Site management, Manufacture, Laboratory, Procurement, Maintenance, Infrastructure, Warehouse and Transport 9101 International Parkway Minneapolis MN 55428 United States Avient Corporation Administration, Site management, Manufacture, Laboratory, Procurement, Maintenance, Infrastructure, Warehouse and Transport 337 Timber Road Mooresville NC 28115 United States Avient Corporation Administration, Site management, Manufacture, Laboratory, Procurement, Maintenance, Infrastructure, Warehouse and Transport 4425 East Elwood Street, Suite 104 Phoenix AZ 85040 United States Avient Corporation Administration, Site management, Manufacture, Laboratory, Procurement, Maintenance, Infrastructure, Warehouse and Transport 625 Wegner Drive West Chicago IL 60185 United States Avient Corporation Administration, Site management, Manufacture, Laboratory, Procurement, Maintenance, Infrastructure, Warehouse and Transport 382 Arbor Court Winchester VA 22602 United States Avient Vietnam Company Limited Administration, Site management, Manufacture, Laboratory, Procurement, Maintenance, Infrastructure, Warehouse and Transport 3 VSIP street 02 75000 Tuan Anh Town Vietnam Avient Colorants (Guangzhou) Ltd.

Leek, United Kingdom 3. Full operational responsibility for execution lies within each business unit and operating site. Strategic plans at the facility and business unit level include planned efforts to achieve sustainability and operational goals.

Leek, United Kingdom 3. Full operational responsibility for execution lies within each business unit and operating site. Strategic plans at the facility and business unit level include planned efforts to achieve sustainability and operational goals.

He spent 12 years at Valspar Corporation with increasing roles of responsibility, including vice president, where he was accountable for the North American segment of its liquid, powder, electrocoat and after market specialty chemical businesses. Midea is a graduate of the United States Naval Academy in Annapolis, Maryland, earning a bachelor of science in marine engineering, and has an MBA, from Northwestern University in Evanston, Illinois.