Employees or agents of the Company or any of its affiliates and members of their immediate families may not buy or sell Company securities, or securities of any other publicly-held company, while in possession of Inside Information, even if the decision to buy or sell is not based upon the Inside Information.

Director Compensation The Compensation Committee periodically reviews the form and amount of non- employee director compensation, including cash and equity-based compensation.

Senior management believes these measures are useful to investors because they allow for comparison to Avient's performance in prior periods without the effect of items that, by their nature, tend to obscure Avient's operating results due to the potential variability across periods based on timing, frequency and magnitude.

We thank you for your understanding, and we look forward to serving your needs. 3 Table of contents A Message from our Global Quality Manager ...............................................................2 Avient Corporation: Overview ............................4 Avient Policy for Customer Audits ......................5 Management Responsibility ...............................6 Product Liability Insurance .............................6 Ethics - Code of Conduct.................................6 Modern Slavery Statement.............................6 Conflict Mineral Policy....................................6 Technical Data Sheets.....................................6 Safety Data Sheets..........................................6 Regulatory Requests and Certificates (FDA certificate, Absence declaration, REACH, SDS) ........................................6 Safety Performance ........................................6 Environmental Performance...........................6 Energy Management ......................................6 Business Continuation Plan.............................6 Preventive - Predictive Maintenance..............6 Financial Report..............................................6 Quality Management..........................................7 3rd Party Certification......................................7 Complaint Handling ........................................7 Continuous Improvement...............................7 Traceability .....................................................7 Record Retention............................................7 IT Security.........................................................8 Firewall .........................................................8 Critical Data ..................................................8 IT Disaster Recovery .....................................8 IT Systems of Use Policy ...............................8 Annex 1 - Special dispositions related to ISO 13485 certification for Mevopur .......................9 Change control .............................................9 Validation .....................................................9 Control of documents and records ...............9 Supplier approval and supplier evaluation ...9 Traceability ...................................................9 Material management ..................................9 Release of finished products.........................9 Control of Non-conforming products, complaints handling, recall and CAPA..........9 Annex 2 – special dispositions related to ISO 22000 certification............................................10 Change..........................................................10 HACCP ..........................................................10 Control of documents and records ...............10 Material management ..................................10 Supplier approval and supplier evaluation ...10 Traceability ...................................................10 Release of finished products.........................10 Control of Non-conforming products, complaints handling, recall and CAPA..........10 4 Avient Corporation: Overview The Avient website is your home base for information about the company: http://www.avient.com/ To find our facility locations: http://www.avient.com/contact/global-directory-and-contacts For more information about our management systems certifications, including ISO, go to: Avient Governance (corporate policies and the Avient Code of Conduct): http://www.avient.com/investors/governance Financial reports: https://www.avient.com/investors Avient Sustainability Report: https://www.avient.com/company/sustainability http://www.avient.com/ http://www.avient.com/contact/global-directory-and-contacts http://www.avient.com/investors/governance https://www.avient.com/investors https://www.avient.com/company/sustainability 5 Avient Policy for Customer Audits Avient may permit audits of facilities, subject to:  Advanced notice and an audit agenda provided at least thirty (30) days in advance or as agreed by the Avient location to be audited for a routine audit

Director Compensation The Compensation Committee periodically reviews the form and amount of non- employee director compensation, including cash and equity-based compensation.

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IRVING, Texas – PolyOne today launched a new range of organic-based colorants, part of the Colorsperse™ portfolio, at the South West Society of Cosmetics Chemists Supplier’s Day. In response to rising consumer demand for makeup that contains natural ingredients, these new color dispersions have been developed for lipsticks and anhydrous (oil-based) cosmetics. This new line incorporates a plant-based carrier system and leads to a cleaner working environment than is typical with dry powder pigments.

CLEVELAND – Based on the content created for its redesigned website, PolyOne has secured a spot on the Kapost B2B Top 50, a list of the best content marketing brands. Kapost is a leading content marketing platform provider based in Boulder, CO. Its annual ranking process includes evaluating the content of hundreds of brands, and selecting the top 50 based on innovation, engagement, frequency, and design.

Base Station Phase Shifter Mevopur™ Bio-based Polymer Solutions CORE™ Bio-based Vinyl Plastisols