Senior management has referenced adjusted EPS excluding the impact of additional shares issued in February 2020. Accordingly, for purposes of comparability to the January 28, 2020 guidance, and prior year, management has referenced adjusted EPS excluding the impact of the additional shares issued in February. Senior management believes these measures are useful to investors because they allow for comparison to PolyOne's performance in prior periods without the effect of items that, by their nature, tend to obscure PolyOne's operating results due to the potential variability across periods based on timing, frequency and magnitude.

Senior management has referenced adjusted EPS excluding the impact of additional shares issued in February 2020. Accordingly, for purposes of comparability to the January 28, 2020 guidance, and prior year, management has referenced adjusted EPS excluding the impact of the additional shares issued in February. Senior management believes these measures are useful to investors because they allow for comparison to PolyOne's performance in prior periods without the effect of items that, by their nature, tend to obscure PolyOne's operating results due to the potential variability across periods based on timing, frequency and magnitude.

Zoretich Senior Manager, Product Stewardship Phone: 440.930.1291 Fax: 440.930.3034 www.polyone.com brian.zoretich@polyone.com PolyOne Corporation is a global leader in innovative polymer materials, services and solutions. 33587 Walker Road, Avon Lake, Ohio USA 44012 April 2014 Dear Valued Customer, As part of PolyOne’s commitment to offer our customers the most value in a competitive global marketplace, we are making changes to our Material Safety Data Sheets (MSDSs) in order to meet the coming requirements of the Globally Harmonized System of Classification and Labeling of Chemicals (GHS). PolyOne manages the implementation of GHS so as to accurately reflect the properties of our products, and while we do not anticipate wholesale changes to the documents that accompany our solutions because of the change, we do believe some changes will be evident. Pettegrew Senior Manager – Product Stewardship Director EH&S - Product Stewardship

Avient respects the dignity of individuals and recognizes that protection of basic human rights is fundamental to the way we manage our business, and we require our suppliers to do the same. Avient utilizes the OECD Due Diligence Guidance for Responsible Mineral Supply Chains for conflict mineral management. Our suppliers and partners understand that our relationship is based on an expectation of compliance with applicable laws and regulations and adherence to internationally recognized environmental, social, corporate governance and management systems standards.

Our expanding portfolio of offerings includes colorants, advanced composites, functional additives, engineered materials, and Dyneema®, the world's strongest fiber™. 

Our expanding portfolio includes colorants, advanced composites, functional additives, engineered materials, and Dyneema®, the world’s strongest fiber™. 

Artisan™ high-gloss, pre-colored nylon (PA6) formulation provided paint replacement solution to meet brand needs

Artisan™ high-gloss, pre-colored nylon (PA6) formulation provided paint replacement solution to meet brand needs

Wire & Cable Colorants: OnColor™