Suppliers will also get notifications via email after they submit an invoice, letting them know when Avient performs an action. Note: For specific countries there might be additional required fields to populate depending on the laws and regulations of the country. If you want to make changes to the invoice after submitting it, you have to contact your Avient representative.

March 2025 - Final and Approved version.pdf Avient Corporation Corporate Governance Guidelines The Board of Directors (the “Board”) of Avient Corporation (the “Company”) has adopted the following Corporate Governance Guidelines (the “Guidelines”). In addition, the Board shall determine that a director is not independent if the director: A. Other directors may, with the permission of the Board, serve on an additional three public company boards.

HEALTHCARE DEVICE OEM C O N T I N U O U S G L U C O S E M O N I T O R • Specific color matching for brand alignment and recognition • Chemically resistant material to help product last longer • Single source for materials and color expertise • Provided a pre-colored solution that met rigorous application requirements to improve color consistency between products • Incorporated scratch & mar resistant additives for improved durability • Offered the ability to run small pilot lots • Met regulatory requirements for USP Class VI Trilliant™ HC Thermoplastics KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION SINGLE SOURCE SUPPLIER LEARN MORE Copyright © 2021, Avient Corporation.

CONTAINER OEM S T O C K T A N K • Reduce container weight • Optimize throughput and provide internal training to sustain processing optimization • Minimize scrap • Improve surface appearance • Deployed an experienced field technician who was able to reduce tank weight by 30% through processing adjustments • Provided an additional lightweighting opportunity with an optimized gas / chemical foaming agent (CFA) process • Trained customer on CFA processing and collaborated to create a new CFA offering for further optimization • Made adjustments resulting in lower scrap rates and improved part appearance Dedicated Onsite Field Technical Service KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION OPTIMIZED PROCESSING LEARN MORE Copyright © 2023, Avient Corporation.

Microsoft PowerPoint - AVNT Nov 2022 Earnings Presentation AVIENT CORPORATION I N V E S T O R P R E S E N T A T I O N (NYSE: AVNT) D E C E M B E R 2 0 2 2 AVI ENT: WHO WE A RE 40 23 9 36 • U.S. and Canada • Latin America • Europe, Middle East & Africa • Asia 25,000+ CUSTOMERS Headquartered in Avon Lake, OH (Cleveland) 9,300+ employees 100+ manufacturing plants Key Financial Data 2022PF Sales $3.6 billion 2022PF EBITDA $585 million 2022PF EPS $2.95 100% ARE CUSTOMIZED SOLUTIONS TO UNIQUE SPECIFICATIONS of sales 2 Guidance as of 2022年11月2日 Webcast W H O W E A R E – V I S I O N , S T R AT E G Y, C U LT U R E 3 Avient Corporation (NYSE: AVNT) provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world. OUR VISION At Avient, we create specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world. These personal values begin with each of us—the judgments and decisions we make as individuals affect the way Avient is viewed in the marketplace and in the communities where we work.

Microsoft PowerPoint - AVNT Nov 2022 Earnings Presentation AVIENT CORPORATION I N V E S T O R P R E S E N T A T I O N (NYSE: AVNT) D E C E M B E R 2 0 2 2 AVI ENT: WHO WE A RE 40 23 9 36 • U.S. and Canada • Latin America • Europe, Middle East & Africa • Asia 25,000+ CUSTOMERS Headquartered in Avon Lake, OH (Cleveland) 9,300+ employees 100+ manufacturing plants Key Financial Data $3.6 billion2022PF Sales $585 million2022PF EBITDA $2.952022PF EPS 100% ARE CUSTOMIZED SOLUTIONS TO UNIQUE SPECIFICATIONS of sales 2 Guidance as of 2022年11月2日 Webcast W H O W E A R E – V I S I O N , S T R AT E G Y, C U LT U R E 3 Avient Corporation (NYSE: AVNT) provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world. OUR VISION At Avient, we create specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world. These personal values begin with each of us—the judgments and decisions we make as individuals affect the way Avient is viewed in the marketplace and in the communities where we work.

In addition to an increased speed to market, our custom formulations boost your design flexibility and offer better performance-to-cost ratios as compared to traditionally used materials. www.avient.com Copyright © 2020, 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.

Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application. For over 35 years, Avient’s Fiber-Line business has provided science-driven expertise that improves the performance and functionality of high performance fibers. Avient is well-positioned to continue to supply the demand for domestically manufactured products.

Avient Advanced Composites – Polystrand 8375 Highfield Parkway Englewood, CO 80112 303.515.7700 TESTING SERVICES In-house testing capabilities allow for rapid material characterization and mechanical analysis according to the following standards: • ASTM D790 3-Point Flex • ASTM D7264 4-Point Flex • ASTM D2344 Short Beam Shear • ASTM C393 Core Compression • ASTM D7078 V-Notch Shear • ASTM D7249 4-Point Flex (Long Beam) • ASTM D6641 CLC Compression For more specialized resin and material analysis, additional testing capabilities are available through Polymer Diagnostics, Inc. www.avient.com Copyright © 2020, 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.

Additional Services • Color consultation to select or develop quick color and effect concepts • Polymer technology consultation to find solutions for technical and material challenges • Prototyping and sampling to best visualize color and effect considering polymer type, shape, and texture • Brand color management to ensure global color consistency • Color education and training to impart plastic coloration knowledge to non-experts • ColorForward™ color trend forecasting tool to provide insights into the CMF concepts expected to trend in the coming years Capabilities Multi-disciplinary Expertise Experts in CMF, industrial and conceptual design, color trends, polymer and color technology, formulation Extensive Toolbox Extensive color libraries and trend books, mood board creation, physical/virtual prototyping, cost evaluation, technical feasibility evaluation, sampling Valuable Networking Internal networking with Avient departments such as Avient Design, marketing, product safety, color matching labs, technology, sustainability group and external networking with designers, color associations, consultants, raw material providers Strategic Locations Locations in Asia, EMEA, Latin America and the U.S. 1.844.4AVIENT www.avient.com Copyright © 2025, 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. 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.