JOHN MIDEA Senior Vice President, Global Operations and Process Improvement John Midea is Senior Vice President, Global Operations and Process Improvement at Avient Corporation, an innovator of materials solutions that help customers succeed while enabling a sustainable world. Midea is a graduate of the United States Naval Academy in Annapolis, Maryland, earning a Bachelor of Science in Marine Engineering, and has an MBA, from Northwestern University in Evanston, Illinois. Avient Corporation • 33587 Walker Road • Avon Lake, Ohio 44012 • 440.930.1000 • www.avient.com

1 AVIENT CORPORATION AUDIT COMMITTEE CHARTER Authority The Board of Directors, by resolution dated August 31, 2000, established the Audit Committee. Obtain and review a report from the independent auditor at least annually: (a) regarding the independent auditor’s internal quality-control procedures; (b) regarding any material issues raised by the most recent internal quality-control review, peer review or Public Company Accounting Oversight Board review of the firm, or by any inquiry or investigation by any other governmental or professional authorities within the preceding five years respecting one or more independent audits carried out by the firm; and any steps taken to address any such issues; and (c) to assess the auditor’s independence and all relationships between the independent auditor and the Company. 2.

For brand owners and OEMs to achieve this, they need materials free of surface blooms and ready to stand up to everyday wear and tear. Processing conditions can cause material properties to shift from the values stated in the information. Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application.

We are excited to lay out our long-term growth plans, highlighting our sustainable solutions portfolio as well as provide an update on the synergies expected from the Clariant color business acquisition,” said Jamie Beggs, Senior Vice President and Chief Financial Officer, Avient Corporation. The non-GAAP financial measures include: adjusted EPS, adjusted operating income, free cash flow and adjusted EBITDA. Rose Vice President, Corporate Communications Avient Corporation +1 440-930-3162 kyle.rose@avient.com mailto:giuseppe.disalvo@avient.com mailto:kyle.rose@avient.com 7 Attachment 1 Avient Corporation Summary of Condensed Consolidated Statements of Income (Unaudited) (In millions, except per share data) Three Months Ended September 30, Nine Months Ended September 30, 2021 2020 2021 2020 Sales $ 1,219.8 $ 924.5 $ 3,617.3 $ 2,245.1 Operating Income 78.7 33.5 307.2 124.3 Net income from continuing operations attributable to Avient shareholders 52.9 1.7 201.0 57.8 Basic earnings per share from continuing operations attributable to Avient shareholders $ 0.58 $ 0.02 $ 2.20 $ 0.64 Diluted earnings per share from continuing operations attributable to Avient shareholders $ 0.57 $ 0.02 $ 2.18 $ 0.64 Senior management uses comparisons of adjusted net income from continuing operations attributable to Avient shareholders and diluted adjusted earnings per share (EPS) from continuing operations attributable to Avient shareholders, excluding special items, to assess performance and facilitate comparability of results.

An addition to the Mevopur™ portfolio is a pre-tested amber concentrate for PET vials, bottles and other packaging products. Copyright © 2023, Avient Corporation. Processing conditions can cause material properties to shift from the values stated in the information.

COMPOSITE TRIPOD STANDS OUT FROM THE CROWD INNOVATIVE, ROLLABLE TRIPOD DESIGN GAINS STRENGTH AND DURABILITY FROM COMPOSITES © 2023, All Rights Reserved Avient Corporation, 33587 Walker Road, Avon Lake, Ohio USA 44012 To learn more about the Polystrand thermoplastic composites that made the Revolve tripod possible, visit www.avient.com/composites. From deployable composite booms in space to lightweight antenna mast structures on the ground, its unique technology has attracted attention from engineers and product designers worldwide. The most recent product in Rolatube’s portfolio is the Revolve™ ultra-compact tripod.

Give them an experience to remember with products built on top-quality materials from Avient. Add resilience and lasting beauty to your products with various polymer additives and color formulations from Avient. Make sure your customers’ investments last for the long haul with high-performance materials from Avient.

PTFE Wire insulation TUBING MANUFACTURER P T F E C A T H E T E R T U B I N G • Food contact compliance • Avoid contamination risks resulting ​from dry pigments • Powder paste extrusion process • High quality dispersion • Availability of custom color options • Supplied pigments with FDA clearance • Optimized pigment particle size and distribution to achieve high-quality dispersion • Provided a technology based on high-quality pigments and ready-to-use formulations​ • Offered a standard liquid pigment portfolio in a wide range of shades with color-matching capabilities • Improved manufacturing process stability and efficiency Colorant Chromatics PTFE Dispersed Pigment Solutions KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION PROCESSING + COLORABILITY Copyright © 2024, Avient Corporation.

These materials can also deteriorate with ultraviolet (UV) and chemical exposure from sunlight and cleaning. CORE plastisols offer strength and flexibility while being phthalate-free, providing an alternative for markets and applications affected by strict guidelines. THE IMPACT By using Avient’s CORE formulation combined with the proprietary manufacturing process from EZR Sport, the companies created an exceptional foam cell structure, providing excellent shock absorption with a cushioning effect for steady hand placement.

© 2024 Avient, All Rights Reserved RESIN (RPET/PET) PRODUCTION Create Value • Increase yield • Expand applications • Improve aesthetics • Reduce energy • rePrize™ IV Builder • Ionix™ Flake Treatment • Optica™ Toners & Colors for Enhanced Recyclability • Joule™ Reheat Additive DISTRIBUTION, RETAIL SALES, CONSUMPTION Enhance Consumer Experience • Improve aesthetics and visual appeal • Extend shelf life • Bolster consumer safety • Improve organoleptics • Ultimate™ UV390 Light Barrier • Lactra™ Light Blocking Additive • Triple A™ Acetaldehyde Scavenger • Amosorb™ Oxygen Scavenger • Optica™ Toners COLLECTION, SORTING, Supply Quality Feedstock with APR* Recognized Solutions • Expand end-use applications • Reduce downcycling • Improve color stability • Ultimate™ UV390 Light Barrier • Capture™ Oxygen Scavenger PREFORM MOLDING & BOTTLE BLOWING Promote Process Optimization • Reduce energy • Reduce bottle blow-outs • Mitigate stress cracking • Improve mechanical and dimensional stability • Increase throughput • Eze™ Slip AgentPET RECYCLING ECO-SYSTEM PREFORM MOLDING & BOTTLE BLOWING COLLECTION, SORTING, DISTRIBUTION, RETAIL SALES, CONSUMPTION RESIN (RPET/PET) PRODUCTION * APR - Association of Plastics Recyclers