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. Strong past performance demonstrates that our strategy and execution are working • Megatrends align with our strengths • Innovation and services provide differentiation, incremental pricing power, and competitive advantage • Strong and proven management team driving growth and performance • Addressable market exceeds $40 billion Page 14 1 Schedule I Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except per share data) Below is a reconciliation of non-GAAP financial measures to the most directly comparable measures calculated and presented in accordance with U.S. Senior management uses adjusted operating income, adjusted EPS, and working capital to assess performance and allocate resources because senior management believes that these measures are useful in understanding current profitability levels and that current levels may serve as a base for future performance.

PolyOne Expands Color Portfolio with Acquisition of Mesa PolyOne Expands Specialty Color Portfolio with Rutland Acquisition PolyOne Appoints Mark Crist to President of Color, Additives & Inks; Scott Horn to President of Distribution

PolyOne to Showcase Material, Colorant and Additive Innovations at CHINAPLAS 2018 PolyOne Launches Elegant and Bright OnColor™ Brilliant Metallic Colorants in Asia SHANGHAI – April 20, 2018 – In advance of CHINAPLAS 2018, PolyOne today announced that OnColor™ Brilliant Metallic Colorants, introduced late la

Revolutionary New Fiber Coloration Technology from PolyOne Showcased at ITMA 2015 MILAN – PolyOne today launched a breakthrough technology for coloring polyester fiber that eliminates aqueous dyeing and its associated wastewa Ranging from colorants and

MM481 LD RAM 2040 TYPE (NCS color) MM483 LD RAM 2015 TYPE (NCS color) MM481 FLESH 2040 TYPE (NCS color)

LIQUID COLOR RED 483-30275-6 LIQUID COLOR BLUE 475-20473-1 LIQUID COLOR RED 483-32282-1

LEADING WASTE MANAGEMENT OEM I N D U S T R I A L C O N T A I N E R S • Eliminate shrinkage and warpage, and control dimensional aspects of finished parts • Improve quality assurance metrics and reduce downtime associated with quality rejections • Reduce process parameter changes and maintain consistency when running multiple colors • Lightweighting solution offering energy savings, process optimization & extended manufacturing run times • Preserved industrial waste container quality while maintaining functional performance and application dimensional stability • Provided xpertise in process optimization and polymer formulation, where material & mold flow, reducing cycle times, and color harmony between diverse polymers matter most • Accelerated speed to market by several weeks with versatile agnostic product forms (solid and liquid) coupled with technical service Hydrocerol™ and Excelite™ Chemical Foaming Agents (CFA) KEY REQUIREMENTS WHY AVIENT?

Coloring                                High concentration of waxes in the color concentrate can also decrease adhesion. Type of color concentrate carrier

Coloring                                High concentration of waxes in the color concentrate can also decrease adhesion. Type of color concentrate carrier

PR 202 ADVANCED DISPERSIONS SPECIALTY COLORANTS Spectrophotometric Fact Sheet EXPLANATION OF SPECTROPHOTOMETRIC DATA Avient certifies our colorants based on CIELAB spectrophotometric color difference data for each lot of product. USING THIS CHART This color selection chart is a tool to assist in selecting the proper colorants for specific applications This chart represents a small fraction of the colors available.