APPLICATION BULLETIN Resilience™ HC for Medical Device Housings Offering Improved Resistance to Hospital Disinfectants EFFECT ON POLYMER HOUSINGS FOR MEDICAL DEVICES Unfortunately, the increased disinfection practices among healthcare providers have another effect. RESILIENCE™ HC OUTPERFORMS COMPETING POLYMERS Design engineers are increasingly looking more frequently for better chemical resistance properties in rigid device housings to combat the effects of disinfectants.

The effective interest rate, including deferred financing costs, on the term loan was 5.7% during 2011. ASU 2011-04 will be effective for interim and annual periods beginning on or after December 15, 2011. Management has assessed the effectiveness of PolyOne’s internal control over financial reporting as of December 31, 2011 and has concluded that such internal control over financial reporting is effective.

Change in assets and liabilities, net of effect of acquisitions and divestitures: Effect of exchange rate changes on cash In addition, operating income before the effect of special items is a component of various PolyOne annual and long-term employee incentive plans and is used in debt covenant computations.

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. In addition, operating income before the effect of special items is a component of Avient annual and long-term employee incentive plans and is used in debt covenant computations. 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.

A developer of gaming accessories saw an untapped market opportunity for controller grips featuring a glow-in-the-dark effect that would appeal to style- conscious customers. The final straw was the company’s inability to achieve its desired glow-in-the- dark effect. In addition to providing a custom green shade, Avient’s engineers had to ensure the glow-in-the- dark effect could match dedicated gamers’ extended periods of play.

Avient’s Cesa™ Stat Antistatic Additives for automotive applications are permanent masterbatches that provide an antistatic effect to molded parts. Cesa™ Stat OCA0025695 reduces electric charges with a sustainable antistatic effect and keeps the surface dust-free and clean. Even after wash- ing the surface with detergent and water with 5 repetitions, the antistatic effect remains unchanged. 0 500 1,000 1,500 2,000 2,500 3,000 0 20 40 60 80 100 Vo lta ge (V ) Time (s) PP talc filled 5% Cesa Stat OCA0025695 5% Cesa Stat OCA0025695 wash end www.avient.com Copyright © 2023, Avient Corporation.

The full range of OnColor HC Colorants, available as solid or liquid form, includes eye-catching special effects such as pearlescent, iridescent, metallic, and fluorescent. Colors and special effects are incorporated with the goals of speed to market and cost savings in mind, to grow business and differentiate from competition. KEY CHARACTERISTICS • Polymer colorants formulated specifically for healthcare product applications • Meets and exceeds various material performance requirements including FDA 21 CFR, ISO 10993 and USP Class VI • HC Plus colorants certified for bio-compatibility • Available as pre-color, concentrate, masterbatch or Smartbatch™ combined colorant/additive solution • Wide range of colors, striking special effects and custom color matching MARKETS AND APPLICATIONS OnColor™ HC and HC Plus Colorants are an excellent choice for medical devices and parts, pharmaceutical or cosmetic packaging, and many other healthcare related polymer applications.

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. In addition, operating income before the effect of special items is a component of Avient annual and long-term employee incentive plans and is used in debt covenant computations. 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.

As with conventional colorants, special effects such as wood or fiber effects can be added to increase design possibilities.

CARPET PRODUCER N Y L O N C A R P E T • Antimicrobial effectiveness for residential and hospital carpets • Suitable for Bulked Continuous Filament (BCF) processed polyamide (nylon) • Limited impact on color • Quick development to address growing market needs for hygienic surface coverings • Developed efficient antimicrobial solution adapted to BCF processing for high-quality yarns • Reduced risk of discoloration with a smartbatch alternative • Leveraged global capabilities to offer quick development, trials and production quantities • Cesa™ Fiber Additives – antimicrobial additives KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION ANTIMICROBIAL EFFECTIVENESS LEARN MORE Copyright © 2023, Avient Corporation.