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. A reconciliation of each historical non-GAAP financial measure with the most directly comparable GAAP financial measure is attached to this presentation which is posted on our website at www.avient.com. Senior management also uses operating income before special items to assess performance and allocate resources because senior management believes that these measures are useful in understanding current profitability levels and how it may serve as a basis for future performance.

The company noted that GAAP EPS includes special items (Attachment 3), which impacted EPS in both periods. Our sustainability report offers a transparent look into where we are focused, how we are leading and what this ultimately means for our many stakeholders, as well as our planet.” 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.

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Gama #650 Parque Industrial Santa Maria Ramos Azipe Coahuila 25900 Mexico operates a Quality Management System which complies with the requirements of IATF 16949:2016 for the following scope: Design and manufacture of thermoplastic compounds. Including the following remote support functions: Polyone Corporation 33587 Walker Road Avon Lake, OH 44012 USA Audited by ABS Quality evaluations Product Design, Purchasing, Customer Service and Strategic Planning Location Registered Activities BSI Certificate Number: 85585 IATF Number: 0315491 Certification Date: 2018-07-11 Latest Issue: 2018-07-11 Expiry Date: 2021-07-10 Page: 2 of 2 This certificate remains the property of BSI and shall be returned immediately upon request.

PROFILE/SHEET EXTRUDER R A I L S A N D K I C K P L A T E S • Convert existing PVC profile and sheet rails and kick plates to polyolefin resin to meet Class A fire safety (ASTM E84) • Provide a system that meets healthy building certifications and approvals • Utilize a more sustainable flame retardant technology, removing brominated or halogenated flame retardants from the environment • Achieve non-compromising performance in aesthetics, impact, dimensional stability, CLTE, and E84 testing • Provided broad flame retardant platform, backed by extensive application and industry expertise, to meet global flammability standards • Has largest UL94 recognized Prospector membership with HB, V-0, V-1, V-2 and 5VA/5VB ratings, and broad glow wire performance products • Included in-house UL certified labs and manufacturing locations to perform UL94 material sampling and testing • Supported application development to meet fire safety standards, address current or emerging healthy building codes, smart home requirements, and LEED credits • Offered custom formulations in small lot quantities Cesa™ Flam Non-Halogen Flame Retardants KEY REQUIREMENTS WHY AVIENT?

Buyer will make all payments hereunder in cash, or in negotiable paper collectible at face value in the funds and at the location indicated on Seller’s invoice; late payments will be increased by a fine of 2% (two per cent) and interest of 1% (one per cent) per month 5. Buyer acknowledges that Seller has furnished to Buyer Material Safety Data sheets, which include warnings together with safety and health information concerning the Product and/or the containers for such Product. 10. The parties elect the Courts of the district of São Paulo, State of São Paulo to resolve any disputes relating to these General Terms and Conditions, to the exclusion of any other, no matter how privileged. 17.

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. A reconciliation of each historical non-GAAP financial measure with the most directly comparable GAAP financial measure is attached to this presentation which is posted on our website at www.avient.com. Senior management also uses operating income before special items to assess performance and allocate resources because senior management believes that these measures are useful in understanding current profitability levels and how it may serve as a basis for future performance.

Homepage // News Center // New LSFOH Formulation from Avient Helps Prevent Environmental Stress Cracking in Armored Cables Cracks in the cable jacket material can lead to costly damage to the insulation and conductors inside the cable, which can result in short circuits and interrupted power supply.   Light-weighting solutions that replace heavier traditional materials like metal, glass and wood, which improves fuel efficiency in all modes of transportation and reduces the carbon footprint

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. A reconciliation of each historical non-GAAP financial measure with the most directly comparable GAAP financial measure is attached to this presentation which is posted on our website at www.avient.com. Senior management also uses operating income before special items to assess performance and allocate resources because senior management believes that these measures are useful in understanding current profitability levels and how it may serve as a basis for future performance.

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. A reconciliation of each historical non-GAAP financial measure with the most directly comparable GAAP financial measure is attached to this presentation which is posted on our website at www.avient.com. Senior management also uses operating income before special items to assess performance and allocate resources because senior management believes that these measures are useful in understanding current profitability levels and how it may serve as a basis for future performance.