INDUSTRIAL EQUIPMENT OEM P A I N T S P R A Y E R • Meet or exceed UL94 V-2 flame rating • Able to interact with existing bulk chemistry without compromising functionality or brand color and aesthetics • Deliver cost targets while providing operational efficiency and a working capital strategy • Accelerate product development timeline, and provide UL94 testing verification prior to production trials • Achieved all flame rating requirements and assisted with regulatory approvals • Developed a proprietary Smartbatch solution that minimized potential effects from interaction with current bulk chemistries • Provided needed support with qualification process and testing requirements, saving time and cost • Afforded on-going support with A2LA test labs, sampling, and lot-to-lot consistency with exacting performance Smartbatch™ Formulation: Cesa™ Flame Retardant Additives and OnColor™ Colorants KEY REQUIREMENTS WHY AVIENT?

Newlin Page 105 Old PolyOne Transformation 60% 80% 100% % o f O p ra ti g I co m * Mix Shift Highlights Specialty Transformation Ahead of Schedule 2015 Target *Operating Income excludes Corporate Charges ** Pro Forma for the acquisition of ColorMatrix and divestiture of SunBelt 2% 34% 42% 50% 65-75% 0% 20% 40% 2005 2008 2011 2011** 2015 % o f O p ra ti g I co m * JV's PP&S Distribution Specialty Specialty OI $5M $46M $89M $117M Target Page 106 Why Invest In PolyOne?

RESPIRATORY DEVICE MANUFACTURER C P A P M A C H I N E C O V E R • Good aesthetics with high COF for grip functionality • Chemically bondable to FR PC/ABS down to 1mm • NCS S 9000-N color suitable for UV laser marking to white • Good scratch and mar resistance • Good chemical resistance to detergents, alcohols and bleach • Pass VOCs & out-gassing in accordance to ISO 18562-3/2:2017 • Customized formulation to balance mar resistance, flow, and laser marking whiteness and clarity • Collaborated on tooling improvements to widen processing window and increase yield rate • Provided application development and on- site technical support to manage short shot, sink marks, burn marks and air trap Customized VersaflexTM TPEs WHY AVIENT?

SECURITY EQUIPMENT MANUFACTURER B O D Y S C A N N E R • Replace PMMA based radome material • Consistent dielectric performance across large sheet/surface area (4mm thick, 2m high) • Ultra low losses • No defects across full surface area • High resolution imaging to show small illegal objects • Formulated a custom material to match customer requirements • Reduced dielectric loss to 0.0009 • Improved image quality of body scanner with uniform dielectric performance and exceptionally low losses • Enabled scan time of 2 seconds and person throughput of 400 persons per hour, compared to 100 person throughput of conventional devices PREPERM™ PPE 260 Formulation KEY REQUIREMENTS WHY AVIENT?

Müller, CEO SQS 66 60 _2  / J un e 20 19  / V er si on 2 .0 Swiss Association for Quality and Management Systems (SQS) Bernstrasse 103, 3052 Zollikofen, Switzerland A.

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Lewiston, ME, 04240 United States of America / 3 Appendix Page 2 of 3 The validity of this appendix depends on the validity of the main certificate.

INJECTION MOLDER T O U C H S C R E E N S U R F A C E • Provide antimicrobial protection with strong log reduction (gram-negative / gram-positive efficacy) using globally available and cost-effective active ingredients • Incorporate a compatible recycled base resin • Utilize recyclate with no haze or discoloration (yellowing) of product, even with long-term heat aging • Maintain visual clarity while using antimicrobial raw materials with additional functional additives • Offered expertise in antimicrobial solutions, application development, and versatile product forms • Provided non-public health claims and reduced material use with recycled polycarbonate • Delivered strong efficacy >Log 2 against gram- negative and gram-positive bacteria • Supported a safe, hygienic environment while maintaining clarity and performance using a masterbatch with recycled content Cesa WithStand SX Low Haze Antimicrobial Additives KEY REQUIREMENTS WHY AVIENT?

Müller, CEO SQS 66 60 _2  / J un e 20 19  / V er si on 2 .0 Swiss Association for Quality and Management Systems (SQS) Bernstrasse 103, 3052 Zollikofen, Switzerland A.

SPORTS BRAND S N O R K E L M O U T H P I E C E • Replace PVC with alternative materials such as TPE or silicone • Skin contact safety and UV resistance • Soft texture with a non-sticky feel • Translucent color to help children use it properly and safely • Customized a soft (Shore A) TPE solution that passed strict tests, including thermal deformation (80°C for 2 hours), UV resistance, and assembly resistance • Providing a 40% more cost-effective system than silicone due to the high production efficiencies of TPEs • Provided cross-regional cooperation and prompt response to help customers achieve fast commercialization in both Europe and China Versaflex Thermoplastic Elastomers UV RESISTANT + TRANSLUCENT Copyright © 2025, Avient Corporation.