Use of Non-GAAP Measures This presentation includes the use of both GAAP (generally accepted accounting principles) and non-GAAP financial measures. Avient Corporation 105 Potential Disruptive Markets Semiconductors Robotics Healthcare Artificial Intelligence How do we find / create potential opportunities in these markets? It’s how we innovate best for them.

I'm pleased with how we have delivered during the first half of the year," added Dr. Conference call participants in the question and answer session should pre-register using the link at avient.com/investors, or here, to receive the dial-in numbers and personal PIN. In addition, operating income before the effect of special items is a component of Avient's annual incentive plans and is used in debt covenant computations.

Net cash used by investing activities Net cash (used) provided by financing activities Senior management uses gross margin before special items and 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.

Net cash used by investing activities Net cash provided (used) by financing activities Senior management uses gross margin before special items and operating income before special items to assess performanceand allocate resources because senior management believes that these measures are useful in understanding current profitabilitylevels and how it may serve as a basis for future performance.

Net cash used by operating activities Net cash used by investing activities Senior management uses operating income before special items to assess performance and allocate resources because senior management believes that this measure is most useful in understanding current profitability levels and how it may serve as a basis for future performance.

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. EBITDA and Adjusted EBITDA are non-GAAP financial measures that management uses in evaluating operating performance. The presentation of these measures may be different from non-GAAP financial measures used by other companies.

Net cash used by investing activities Net cash used by financing activities Senior management uses gross margin before special items and 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.

Net cash used by investing activities Net cash used by financing activities Senior management uses operating income before special items to assess performance and allocate resources because senior management believes that this measure is most useful in understanding current profitability levels and how it may serve as a basis for future performance.

Use of Non-GAAP Measures This presentation includes the use of both GAAP (generally accepted accounting principles) and non-GAAP financial measures. Lastly, our design capabilities ensure that the application is designed perfectly for the specific end use. 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.

Net cash used by investing activities Net cash (used) provided by financing activities Senior management uses gross margin before special items and 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.