No. 0562.01) Revised 05/31/2022 Page 1 of 1 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 AVIENT CORPORATION 733 East Water Street North Baltimore, OH 45872 Claire Holman Phone: (419) 257-1327 MECHANICAL Valid To: October 31, 2023 Certificate Number: 0562.01 In recognition of the successful completion of the A2LA evaluation process, accreditation is granted to this laboratory to perform the following automotive plastics tests: Test Method: Test Name: ASTM D412 Tensile ASTM D523 Specular Gloss ASTM D618 (A) Conditioning of Plastics ASTM D624 (Die C) Tear Strength ASTM D638 Tensile Properties ASTM D792 (A) Density and Specific Gravity by Displacement ASTM D1004 Initial Tear Resistance ASTM D1203 (A) Volatile Loss ASTM D1895 (A) Apparent Density, Bulk Factor, Pourability ASTM D1921 Particle Size (Sieve Analysis) ASTM D2240 Durometer Hardness (Shore A and D) ASTM E1331 Color by Spectrophotometry Using Hemispherical Geometry FMVSS 571.302 Flammability FORD BN-102-01 (A) Low Temperature Flexibility FORD BO-131-03 Interior Odor ISO 3795 Determination of Burning Behavior of Interior Materials SAE J323 (A) Cold Cracking (Mandrel Bend) SAE J1351 Hot Odor for Insulation Materials SAE J1545 Instrumental Color Difference Measurement SAE J1756 Fogging Characteristics of Interior Automotive Materials (Photometric Only) DOC-058151 Angle of Repose 1 Laboratory Developed Method For the tests to which this accreditation applies, please refer to the laboratory’s Mechanical Scope of Accreditation. Accredited Laboratory A2LA has accredited AVIENT CORPORATION North Baltimore, OH for technical competence in the field of Mechanical Testing This laboratory is accredited in accordance with the recognized International Standard ISO/IEC 17025:2017 General requirements for the competence of testing and calibration laboratories.

ONFLEX™ LO 7120-45 ONFLEX™ HT 40A-3S2131 BERGAFLEX™ BFIG 45A-300 Applications HVAC Seals HVAC Seals HVAC Seals Interior - direct airflow Interior & exterior Interior - direct airflow HVAC feature Low VOC/FOG & odor Low VOC/FOG & odor Low odor Cold air Hot air Cold air VDA 270 ≤3.0 ≤3.0 ≤3.0 VOC/FOG VDA 278 (VOC) 97µg/g 100µg/g 196µg/g VDA 278 (FOG) 1131µg/g 1116µg/g 1707µg/g DIN 75201 (FOG) 0.3mg 1.7mg 1.1mg 73°F (23°C) 72 hrs 15% 12% 15% 158°F (70°C) 22 hrs 45% 28% 50% 212°F (100°C) 22 hrs 70% 45% 90% Density 1.15 g/ml 1.00 g/ml 1.17 g/ml Processing Injection Molding Injection Molding/ Extrusion Injection Molding Bonds to Polypropylene Polypropylene/ Polyethylene Polypropylene Hardness range 35–65 Shore A 40–70 Shore A 35–65 Shore A HOW GLS TPEs MAKE THE DIFFERENCE IN AUTOMOTIVE HVAC APPLICATIONS • Low VOC/FOG – externally tested to VDA 278 and shows significant reductions in volatile organic compounds and fogging when compared to current TPE technologies • Industry standards – helps to achieve VOC/ FOG performance standards for improved VIAQ • Reduced manufacturing steps – does not require pre-drying or post heating to reduce VOC in parts produced • Design optimization – color can be added at the machine • Easy to process – can be extruded, injection molded and extrusion blow molded • Recyclable – Our automotive TPEs are compatible with most municipal recycle streams • Global support – Avient automotive TPEs can be manufactured in locations that are convenient to your operations, including North America, Europe or China To learn more about GLS TPEs for automotive applications, contact Avient at +1.844.4AVIENT (+1.844.428.4368).

Available primarily in North America, the Lactra LX technology is especially effective in ultra-high temperature (UHT) liquid dairy products which have a longer shelf life and need greater protection due to ambient storage conditions.

This literature shall NOT operate as permission, recommendation, or inducement to practice any patented invention without permission of the patent owner. 1.844.4AVIENT www.avient.com KEY CHARACTERISTICS • Designed for polyolefin recycling and to enhance circularity • Helps bring incompatible polymers together by forming them into a homogenous polymer mixture • Improves the mechanical performance of mixed PP/PE streams • Increases impact strength by up to 50% • Increases ductility by up to 100% for improved performance • Maintains mechanical strength properties close to polymer starting point • The end result is that the characteristics of rPP remain with higher impact properties • Good cost-performance ratio • Can be combined with color into a single masterbatch product for convenience • Product guidance and technical assistance is available from our experts MARKETS & APPLICATIONS • Recycled polyolefins • Packaging, consumer & others • High-value polyolefin applications with recycled material content • Virgin polymers which will be recycled after the use phase Currently unavailable in North America —please contact your Avient representative for further information.

Healthcare use limitations apply—see below * Available only in North America ** Available on request Copyright © 2022, Avient Corporation.

AUTOMOTIVE INTERIORS MA NUFAC TURER I N S T R U M E N T P A N E L • Consistent and customizable color able to support heat and light shielding • Compliance with automotive industry standards • Provided breadth of high-performance custom color solutions that met specific customer needs • Offered dependable quality and technical support from ideation stages through final production while navigating all regulatory requirements Stan-Tone VC and VCP Vinyl Dispersions KEY REQUIREMENTS WHY AVIENT?

ANTENNA MANUFACTURER P H A S E S H I F T A N T E N N A • Achieved miniaturization through customized high dielectric constant (Dk) materials • Offered high Dk grades with superior processing window and stability compared to lower Dk ( < Dk6.0) grades • Verified dimensional and electrical stability would also meet needs of navigation system substrate to streamline sourcing Edgetek™ Formulations for 5G KEY REQUIREMENTS WHY AVIENT?

We employ approximately 4,700 people and have 60 manufacturing sites and 9 distribution facilities in North America, Europe, Asia and South America. Global Color, Additives and Inks has manufacturing, sales and service facilities located throughout North America, Europe and Asia, and South America. Global Color, Additives and Inks has plants, sales and service facilities located throughout North America, Europe, Asia and South America.

North Haven, Connecticut Stanley, North Carolina(b) 6. Guatemala City, Guatemala 63. In North America, United Way remains our most significant philanthropic endeavor, with our associates continuing to give generously.

Rev1 This certificate’s validity is subject to the organization maintaining their system in accordance with ABS Quality Evaluations, Inc. 1701 City Plaza Dr Spring, TX 77389 USA requirements for management system certification. Rev1 This certificate’s validity is subject to the organization maintaining their system in accordance with ABS Quality Evaluations, Inc. 1701 City Plaza Dr Spring, TX 77389 USA requirements for management system certification. Development and manufacturing of Colorants products (including additive Masterbatch) No. 2 Nan Yun San Rd., Science City 510663 Guangzhou Avient Colorants (Shanghai) Ltd.