Factors that could cause our actual results to differ materially from those implied by forward-looking statements are described in detail in Part l of the Form 10-K. THIS PAGE IS NOT PART OF AVIENT’S FORM 10-K FILING THIS PAGE IS NOT PART OF POLYONE’S FORM 10-K FILINGTHIS PAGE IS NOT PART OF POLYONE’S FORM 10-K FILINGTHIS PAGE IS NOT PART OF AVIENT’S FORM 10-K FILING Reconciliation of Non-GAAP Financial Measures (Unaudited) (In millions, except for per share data) Senior management uses comparisons of adjusted net income from continuing operations attributable to Avient shareholders and diluted adjusted earnings per share (EPS) from continuing operations attributable to Avient shareholders, excluding special items, to assess performance and facilitate comparability of results. Management excludes intangible asset amortization from adjusted EPS as it believes excluding acquired intangible asset amortization is a useful measure of current period earnings per share.

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. As one, we are better positioned than ever before to lead and to make a positive difference. At Avient, we’ve built a culture of winning and how we do so is unique, lasting and difficult to replicate.

CLEVELAND – Builders and homeowners know that faded colors on fencing, decks and windows can spoil curb appeal and decrease property values. New reSound™ NF Reinforced Solutions from PolyOne Reduce Weight Sustainably Jul 10, 2025

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. Non-GAAP financial measures have limitations as analytical tools and should not be considered in isolation from, or solely as alternatives to, financial measures prepared in accordance with GAAP. Tax adjustments include the net tax expense/benefit from one-time income tax items, the set-up or reversal of uncertain tax position reserves and deferred income tax valuation allowance adjustments.

Weighted-average shares used to compute earnings per share: Weighted average shares used to compute adjusted earnings per share: SEC Filings

How TPEs Can Help Medical and Pharmaceutical Manufacturers Meet Growing Global Demand Medical Device Disinfection: How to Prevent Cracking and Crazing Computers & Peripherals

This can help brands to obtain deeper insights into what today’s markets demand and how to leverage future trends.” PolyOne will be showcasing these innovative technologies at ITMA Asia + CITME 2016 (Booth F18-19 /Hall1) from 21-25 October. Jul 10, 2025

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. 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. Management excludes intangible asset amortization from adjusted EPS as it believes excluding acquired intangible asset amortization is a useful measure of current period earnings per share.

Connect with One of Our Composites Engineers How to Choose the Right Pultruded Composite for Your Application Contact us to connect with one of our composites engineers, or explore GlasForms™ Pultruded Rods, Tubes & Custom Profiles here.

Connect with One of Our Composites Engineers How to Choose the Right Pultruded Composite for Your Application Contact us to connect with one of our composites engineers, or explore GlasForms™ Pultruded Rods, Tubes & Custom Profiles here.