SPECIALTY ENGINEERED MATERIALS FOR HEALTHCARE PRODUCT SELECTION GUIDE Careful consideration must be given to materials used for medical devices and their impact on patient safety. Common applications include medical device overmolds, medical and biopharma tubing, and gaskets and stoppers. These customizable materials include chemically resistant polymers to prevent device cracking, electrically conductive materials for consistent measuring, and high-density formulations to replace lead.

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Processing conditions can cause material properties to shift from the values stated in the information. It is the responsibility of the medical device manufacturer and the person placing the medical device on the market to ensure compliance of the medical device with all applicable laws and regulations, including the suitability of all raw materials and components used for its manufacture. For more detailed information on Mevopur uses and restrictions see www.avient.com/healthcare-use-limitations-mevopur-products or contact your Avient sales representative. 1.844.4AVIENT www.avient.com

Ripcords • Lubricated, color coated, various fibers • Rips through any material including steel armor • Made from Kevlar, Vectran LCP or PET polyester 12. Cable jacket/sheath– Made of PE 9 Fiber-Line Product PolyOne Materials F I B E R O P T I C A L G R O W T H D R I V E R S PolyOne Corporation 21 5G Networks  Enable lower latency, greater flexibility & efficiency  Installation of these networks are in the very early stages  Installation will start in urban hubs and will continue to expand into suburban and rural areas  By 2025, only 14% of the world will have 5G connections  Growth is expected over multi- year period 5G technology will be a leading growth driver in fiber optic cable for several years 10x Speed Increase & 8x More Antennae Required 5G vs. 4G PolyOne Corporation 22 Safety Technology Geography Service FinancialPeople Low EH&S risk profile New and complementary technologies Leverage our global footprint Strong customer relationships Foundational operating margins of 8-10% with ability to double Motivated team with a specialty culture I N V E S T - T O - G R O W M & A S T R A T E G Y PolyOne Corporation 23 Capture sourcing synergies Cross-sell & blend technology 8-10% operating margins I N V E S T - T O - G R O W M & A P L A Y B O O K Protect customers Retain employees Implement LSS to drive efficiency improvements Innovate with combined portfolio Safety First! Service:�The Timeless differentiator Talent development IQ DESIGN LSS CUSTOMER FIRST Innovating with PolyOne COLOR, ADDITIVES & INKS Color, Additives & Inks Specialty Engineered Materials Specialty Engineered Materials DISTRIBUTION Overview of RAW MATERIAL PURCHASES Target end markets & �application examples Slide Number 52 Slide Number 53 Slide Number 54 Slide Number 55 Slide Number 56 Slide Number 57 Slide Number 58 Slide Number 59 Slide Number 60 Slide Number 61 Slide Number 62 Slide Number 63 Slide Number 64 Slide Number 65

Taking a customer-first approach, HIVIZ identified a need in the high-end market to drive recoil-damping technology forward. To develop a high-end version with additional features, the design team was seeking a new material. THE IMPACT With Avient materials in place, the resulting product offered high-end differentiating features, and gave HIVIZ its first success in specialty recoil pads.

MEDICAL DEVICE MANUFACTURER G U I D I N G C A T H E T E R • Ultra-soft hardness of about Shore 50A • Excellent extrusion performance, achieving a thickness of about 0.1 mm • Smooth surface • Certification for biocompatibility • Delivered an ultra-soft TPU that has good elasticity, abrasion, and tear resistance • Complied with ISO 10993 biocompatible properties • Offered onsite service to support rapid extrusion performance for the customer NEUSoft Thermoplastic Polyurethanes KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION ULTRA SOFT + BIOCOMPATIBILITY LEARN MORE Copyright © 2025, Avient Corporation. All Rights Reserved. https://www.avient.com/products/vivo-formulations-healthcare/neusoft-thermoplastic-polyurethanes Slide 1: Medical device Manufacturer

Generally, the Secretary must not receive the notice less than 60 nor more than 90 days prior to the first anniversary of the date on which we first mailed our proxy materials for the preceding year’s Annual Meeting. Richardson has been with PolyOne less than five years. In general, Regulation 8(c) provides that, to be timely, a shareholder’s notice must be delivered to our principal executive offices not less than 60 nor more than 90 days prior to the first anniversary of the date on which we first mailed our proxy materials for the preceding year’s Annual Meeting.

Processing conditions can cause material properties to shift from the values stated in the information. It is the responsibility of the medical device manufacturer and the person placing the medical device on the market to ensure compliance of the medical device with all applicable laws and regulations, including the suitability of all raw materials and components used for its manufacture. For more detailed information on Mevopur uses and restrictions see www.avient.com/healthcare-use-limitations-mevopur-products or contact your Avient sales representative. 1.844.4AVIENT www.avient.com

The company noted its materials enable food, beverage and medical supplies to continue to be produced, packaged, shipped and used.  This includes masks, protective garments, medical tubing and packaging for personal care products.  For more information, visit www.polyone.com

With more than 7,600 associates on five continents, the unified team that is PolyOne has never been stronger. We offer more than 35,000 polymer solutions to over 10,000 customers across the globe. In the medical industry, plastics are used for a vast array of devices and equipment, including blood and intravenous bags, medical tubing, catheters, lead replacement for radiation shielding, clamps and connectors to bed frames, curtains and sheeting, POLYONE CORPORATION 3 electronic enclosures and equipment housings.