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What is Classed as Recycled Content Infographic_Select GLOSSARY OF TERMS POST- CONSUMER RECYCLE (PCR) TRADITIONAL BLACK MASTERBATCH AVIENT ONCOLOR™ IR SORTABLE BLACK MASTER- BATCH RETAIL/ CONSUMER RECLAIMER LANDFILL MATERIAL MANUFACTURER RECYCLE VALUE CHAIN BLACK PACKAGING Material Manufacturer - Raw material suppliers or processors who produce materials ready for manufacturing Masterbatch - A solid or liquid additive used for coloring plastics Retail/Consumer - End user Reclaimer - Local recycling center for consumer goods Post-Consumer Recycle (PCR) - Materials derived from polymers reclaimed at the end of their lifecycle that have been through waste treatment Landfill - Infrastructure with highly engineered containment systems that act as a safe and permanent repository for waste material that cannot be reused or recycled

November 1, 2022 This portfolio of vibrant, bold, and accurate colors is available to preorder today and will be ready to ship as early as December 1, 2022. This next generation of ready-for-use inks will replace the Epic™ Standard Color portfolio effective February 1, 2023.  

Further, PolyOne colorants bring the material to life with dynamic colors such as Superhero Blue, Watermelon Red, Limesicle Green, and Awesome Orange. Swanson Director, Investor Relations PolyOne Corporation +1 440-930-1018 eric.swanson@avient.com Rose Vice President, Corporate Communications PolyOne Corporation +1 440-930-3162 kyle.rose@avient.com

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Avient acquired the Clariant Color business on July 1, 2020 (the “Acquisition Date”). Purchase price multiple rapidly declining on strength of business and synergy capture (1) (1) (1) Financial information is pro forma to include a full year of Clariant Color acquisition ($ in millions) 11.9% 16.3% 2019PF 2021E EBITDA Margins (1) Avient Corporation 12 People C U L T U R E I S E V E R Y T H I N G Avient Corporation 13 Community Service 7x Safer than Industry Average World-Class Safety Leadership Development Over $16 million raised since 2010 Diversity & Inclusion Future Growth in Excess of GDP is Driven By: Our company is positioned to sustainably grow at a rate that exceeds GDP. Purchase price multiple rapidly declining on strength of business and synergy capture (1) (1) (1) Financial information is pro forma to include a full year of Clariant Color acquisition ($ in millions) 11.9% 16.3% 2019PF 2021E EBITDA Margins (1) 126Avient Corporation Bolt-On Acquisition History Commercial Resources(1) Operating Income ($ in millions) Operating Margins 259 360 At Acquisition 2021E $40 $122 At Acquisition 2021E 9% 21% At Acquisition 2021E Established Acquisitions (> 7 years) + 39% + 205% + 1200 bps (1) Commercial Resources include associate headcount in R&D / Technical, Marketing and Sales 127Avient Corporation We are a specialty formulator AND We are a sustainable solutions company Avient Corporation 128 As a specialty formulator, we don’t require significant capital investment, as compared to the base resin raw material suppliers we purchase from.

e-Certificate of registration Swedish Companies Registration Office LIMITED COMPANY D1a- 6064988 Registration number Date of registration of the company Document created on Date of registration of current name Page 556393-1020 1990-04-10 2020-11-30 14:53 2020-11-30 1 (2) Registration number: 556393-1020 Business name: Avient Colorants Sweden AB Address: Box 9053 200 39 MALMÖ Registered office: Malmö Note: The company is registered as a private limited company. ARTICLES OF ASSOCIATION Date of the latest change: 2020-11-02 FINANCIAL YEAR Registered financial year: 0101 - 1231 Latest annual report submitted covers financial period 20190101-20191231 DATE OF REGISTRATION OF CURRENT AND PREVIOUS BUSINESS NAMES 2020-11-30 Avient Colorants Sweden AB 2016-01-19 Clariant Plastics & Coatings (Nordic) AB 2000-08-23 Clariant Masterbatches Norden Aktiebolag 1990-05-22 Drycolor Aktiebolag 1990-04-10 Nya Drycolor Aktiebolag **** The above information is an extract from the Trade and Industry Register Bolagsverket, the Swedish Companies Registration Office **** Bolagsverket 851 81 Sundsvall 0771-670 670 bolagsverket@bolagsverket.se www.bolagsverket.se 2020-11-30T14:53:51+0100 Sweden Bolagsverket Bolagsverket intygar äktheten och integriteten för detta dokument

Homepage // News Center // New Website Showcases Construction Colorants for Pools and More Caption: The new Mesa Construction Colors website is designed to be a helpful product resource. Michelle Maniscalco Senior Manager, Marketing Communications PolyOne Corporation +1 440-930-1988 michelle.maniscalco@avient.com