We are Avient. 6 B ET T E R TO G E TH E R : P O LYO NE A N D C L A R I A N T M A S T ER BATC H Key Financial Data (1) 2021E Sales $4.3 billion 2021E EBITDA $560 million 2021E Free Cash Flow $275 million 88% of EBITDA from specialty applications (1) As of 2021年4月30日 webcast Synergies ($ millions) Three-Year Estimate Administrative $ 20 Sourcing 30 Operational 25 Total Synergies $ 75 7 C L A R I A N T C O S T S Y N ERG I E S • On-track to realize $45 million of expected synergies in 2021 – up from previous estimate of $35 million • Relentless focus on guiding principles for acquisition integration: safety first, employee collaboration and exceeding customer expectations • Future revenue synergies in excess of $50 million by 2025 are not part of these estimates and represent additional growth over the long term 8 • Barrier technology • Functional additives • Processing aids • Flame retardants • Light-weighting additives Complementary Technologies • Clariant’s approved formulations and certified facilities • Legacy PolyOne’s leading share in distribution channels Healthcare Solutions • Clariant’s position in SE Asia, Latin America, Germany & Italy • Legacy PolyOne’s position in U.S., Canada and China Regional Strengths • Solutions with Avient’s engineered materials customers • Avient’s distribution channels Segment Cross-selling C O M P L E M E NTA RY T E C H N O LOG I E S A N D C U S TO M ER S D R I V E R E V E N U E S Y N E RG I E S Revenue synergy opportunities in excess of $50MM by 2025 The complementary aspects of our combined businesses are unquestionable. In addition, the cross- selling opportunities that leverage Avient’s Engineered Materials and Distribution segments will identify and deliver additional growth. We are Avient.

Avient Resources Discover more about Avient medical grade colorant and additives for wearable medical devices. Cesa™ Light Additives provided high concentrate UV protection in nonwoven textiles with dosage at 50%

Avient Resources Discover more about Avient medical grade colorant and additives for wearable medical devices. Cesa™ Light Additives provided high concentrate UV protection in nonwoven textiles with dosage at 50%

Distribution w/ Synergies Adjusted EPS EBITDA as % of Sales (1) (1) (1,3) (2,3)(2) 15 • Barrier technology • Functional additives • Processing aids • Flame retardants • Light-weighting additives Complementary Technologies • Clariant’s approved formulations and certified facilities • Legacy PolyOne’s leading share in distribution channels Healthcare Solutions • Clariant’s position in SE Asia, Latin America, Germany & Italy • Legacy PolyOne’s position in U.S., Canada and China Regional Strengths • Solutions with Avient’s engineered materials customers • Avient’s distribution channels Segment Cross-selling C O M P L E M E N TA RY T E C H N O LO G I E S A N D C U S TO M E R S D R I V E R E V E N U E S Y N E RG I E S Revenue synergy opportunities in excess of $50MM by 2025 The complementary aspects of our combined businesses are unquestionable. In addition, the cross- selling opportunities that leverage Avient’s Engineered Materials and Distribution segments will identify and deliver additional growth. We are Avient.

a privately owned and innovative provider of specialty colorants and additives based in plus additional manufacturing capability in the IQAP is a fantastic addition to our longstanding and growing expertise in color and additives innovation," said

KEY CHARACTERISTICS • Excellent chemical resistance • Low moisture uptake • Comparable dimensional stability to nylon • Reinforced with 10–40% short glass fiber • High impact and wear resistance • Cost competitive • Eco-conscious alternative to PA66 and PA6 • Non-halogen, flame retardant performance MARKETS & APPLICATIONS These glass-reinforced materials meet the challenges found in chemical, fuel contact, and high moisture environments Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application. AVIENT MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, either with respect to the information or products reflected by the information.

All grades can be customized further to meet specific applications requirements, such as for laser welding and flame retardant properties. Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application. AVIENT MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, either with respect to the information or products reflected by the information.

TIER 1 SUPPLIER V E H I C L E H V A C S Y S T E M • Rapidly develop formulations for 7 types of thermoplastic • Help Tier 1 meet VW requirements for anti-static solutions • Able to quickly develop 7 SmartBatch (color + effect additive) solutions, for 7 types of thermoplastic • Avient formulated the TPE used in the air vents for this HVAC system SmartBatch™ Combination Colorants and Additives, Cesa™ Stat Additives, and OnFlex™ TPE KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION IMPROVE VIAQ Copyright © 2022, Avient Corporation LEARN MORE https://www.avient.com/products/thermoplastic-elastomers/onflex-thermoplastic-elastomers Tier 1 supplier

DESIGNED FOR COMPATIBILITY Cesa™ Unify™ A4R is part of the Additives for Recycling portfolio of solutions that helps improve the recycling of polyolefins. PRODUCT BULLETIN Sustainability Spotlight Recycle Solutions Copyright © 2023, Avient Corporation. Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application.

W AT E R S TO R AG E M A N U FAC T U R E R P O T A B L E W A T E R T A N K S • Diminish growth of microbials in water tanks to provide differentiating feature for landmark product launch • Prevent undesirable odor associated with bacteria and fungal growth on the product’s polymer surface • Meet FDA, NSF, and UL regulatory requirements • Formulated a multi-polymer solution that ensured microbial and fungal growth were diminished while preserving polymer performance • Utilized antimicrobials to mitigate the causal effect of undesirable tastes and odors • Enabled customer to meet requirements through Avient’s knowledge and expertise of regulatory protocols Cesa™ WithStand™ Antimicrobial Additives KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION PREVENTION + PROTECTION LEARN MORE Copyright © 2022, Avient Corporation. https://www.avient.com/products/polymer-additives/performance-enhancement-additives/withstand-antimicrobial-additives