FDM 83082 RD FPVC MASTERBATCH FDM 83096 WT FPVC MASTERBATCH 195283 WT PS MASTERBATCH

23351 BN PE Masterbatch Gravel 55 25696 GN PE Masterbatch 25696 GN PE Masterbatch

185651 GY SAN MASTERBATCH 185654 BN SAN MASTERBATCH 131133 GY ABS MASTERBATCH

Avient acquired the Clariant Masterbatch business (CMB) on July 1, 2020 (the “Acquisition Date”). $86 $123 2020PF 2021 $0.53 $0.89 2020PF 2021 Q1 2021 – ORGANIC PERFORMANCE ( T O TA L C O M PA N Y ) 3 Sales Adjusted Operating Income $991 $1,162 2020PF 2021 + 17% Adjusted EPS + 43% + 68% (in millions) (in millions) (1) (1) (1) (1) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition Q1 2021 SEGMENT PERFORMANCE 4 CAI $536 $609 Sales ($ in millions) SEM Distribution $64 $89 Operating Income (1) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition +14% +39% $290 $363 Sales $19 $24 Operating Income +25% +26% (1) $185 $217 Sales $22 $34 Operating Income +17% +55% SPECIALTY EBITDA MARGIN EXPANSION 5 CAI (1) 2018-2020 financial information is pro forma to include a full year of Clariant Masterbatch business acquisition 15.3% 15.2% 16.2% 19.1% 2018 2019 2020 Q1 2021 14.8% 15.2% 17.6% 19.4% 2018 2019 2020 Q1 2021 (1) SEM • Continued portfolio transformation to high-growth end markets and sustainable solutions • Clariant Masterbatch synergy realization • Investments in composites and outdoor high performance applications drive growth and mix improvements CAI EBITDA MARGIN EXPANSION 6 Legacy CAI 18.9% 18.9% 21.0% 2019 2020 Q1 2021 Legacy Clariant MB 11.9% 13.8% 17.4% 2019 2020 Q1 2021 • Early synergy capture translating to the bottom line • Positive mix with growth in healthcare, consumer and packaging end-markets • World-class vitality index of 36% represents sales from products introduced in the last five years. We will deliver for our stakeholders through multiple value creation levers—many of which are unique to Avient: o Demand for sustainable solutions, healthcare, and composites, together with Clariant Masterbatch revenue synergies, that will drive 2021 revenue growth of 14% and long-term growth in excess of GDP o Clariant Masterbatch cost synergy capture will result in significant near-term benefit In addition, we remain committed to increasing annual dividends in line with earnings growth and opportunistically buying back shares, all while remaining modestly levered.

Colorant Chromatics PEI Masterbatch - Colors for High Temperature Injection Molding Colorant Chromatics PPSU Masterbatch - Colors for High Temperature Injection Molding Applications Smartbatch™ formulations blend design and function in one masterbatch solution 

SHANGHAI – September 11, 2020 – Avient Corporation, a premier global provider of specialized and sustainable material solutions and services to the healthcare industry, will feature a combined portfolio of polymer formulations, colorants, functional masterbatches, and thermoplastic elastomers at Medtec China 2020 next week. Avient’s robust portfolio of products and services from its legacy businesses – PolyOne and Clariant Masterbatch – is complemented by its global healthcare industry expertise as well as application development, regulatory, and quality services to provide an unparalleled offering. NOTE: On July 1, 2020, PolyOne and Clariant Masterbatch joined together as Avient, a new kind of materials company focused on conquering customer challenges and unlocking the potential for innovation and sustainability around the globe.

SÃO PAULO, Brazil – April 19, 2019 – During the 2019 Feiplastic tradeshow here next week, PolyOne will feature enhanced local service capabilities in South America, combined with its unmatched portfolio of polymer colorants and additives that span both solid masterbatch and liquid colorant solutions. Masterbatch Colorant Solution Now available in South America, OnColor™ SC Super Concentrates are densely pigmented masterbatches that feature greater active loadings to lower colorant use rates without compromising quality

Our wide range of MagiQ products can be delivered as a solid masterbatch or liquid concentrate. The product portfolio covers an extensive selection of quality Masterbatches, either in PET, PBT, or PA, specially formulated to meet various demands. Masterbatches at lower concentrations designed to meet specific customer needs.

Increased Clariant Masterbatch cost synergy estimate to $75 million from preliminary estimate of $60 million NYSE: AVNT), a leading provider of specialized and sustainable material solutions, provided third quarter financial performance expectations today as well as updated synergy estimates related to the Clariant Masterbatch acquisition. added, "We are also benefitting from the acquisition of the Clariant Masterbatch business, which has been immediately accretive to adjusted EPS." 

OnCap™ Aversive Masterbatch Additives from PolyOne Receive Biocidal Product Regulation Authorization in Europe POMMERLOCH, Luxembourg – October 1, 2018 – Wire and cable OEMs rely on PolyOne’s industry-leading OnCap™ Aversive masterbatch additives to pro