PROFILE/SHEET EXTRUDER R A I L S A N D K I C K P L A T E S • Convert existing PVC profile and sheet rails and kick plates to polyolefin resin to meet Class A fire safety (ASTM E84) • Provide a system that meets healthy building certifications and approvals • Utilize a more sustainable flame retardant technology, removing brominated or halogenated flame retardants from the environment • Achieve non-compromising performance in aesthetics, impact, dimensional stability, CLTE, and E84 testing • Provided broad flame retardant platform, backed by extensive application and industry expertise, to meet global flammability standards • Has largest UL94 recognized Prospector membership with HB, V-0, V-1, V-2 and 5VA/5VB ratings, and broad glow wire performance products • Included in-house UL certified labs and manufacturing locations to perform UL94 material sampling and testing • Supported application development to meet fire safety standards, address current or emerging healthy building codes, smart home requirements, and LEED credits • Offered custom formulations in small lot quantities Cesa™ Flam Non-Halogen Flame Retardants KEY REQUIREMENTS WHY AVIENT?

In addition, operating income before special items and adjusted EPS are components of various PolyOne annual and long-term employee incentive plans PolyOne Corporation 91 S P E E D T O M A R K E T From concept to production 99.9% Reduction in turnaround time Traditional Timeline up to 24 weeks PolyOne ColorMatrix Select™ 6 hours PolyOne Corporation 92 “Being able to create color and produce parts in 1 day is unheard of in this industry. Senior management believes these measures are useful to investors because they allow for comparison to PolyOne's performance in prior periods without the effect of items that, by their nature, tend to obscure PolyOne's operating results due to the potential variability across periods based on timing, frequency and magnitude.

PVC VIBRANT PINK 10 PVC VIBRANT PINK 12 A/S BAHAMA BLUE II PVC

VBX3611 PVC / CPO Black Geon VBX3608 PVC/TPU Black 2288 YELLOW PVC

PolyOne DB5413 Clear Blue 15 NP PolyOne DB5413 Clear Blue 29 NP GEON W9300 NAT 0000

Geon(TM) 9496-PH SELF BOND PolyOne DB5542 Clear GEON W9300 NAT 0000

Polyone de Mexico Manufacturing - TS 85585 Certificate of Registration QUALITY MANAGEMENT SYSTEM - IATF 16949:2016 This is to certify that: Polyone de Mexico Manufacturing S. de R.L. de C.V. CertificateNumber=TS+85585&ReIssueDate=11%2f07%2f2018&Template=inc Polyone de Mexico Manufacturing S. de R.L. de C.V. Including the following remote support functions: Polyone Corporation 33587 Walker Road Avon Lake, OH 44012 USA Audited by ABS Quality evaluations Product Design, Purchasing, Customer Service and Strategic Planning Location Registered Activities BSI Certificate Number: 85585 IATF Number: 0315491 Certification Date: 2018-07-11 Latest Issue: 2018-07-11 Expiry Date: 2021-07-10 Page: 2 of 2 This certificate remains the property of BSI and shall be returned immediately upon request.

TF GREY PVC PVC LT. GEON W9300 NAT 0000

PVC ALMOND LG-0033-V PVC BROWN 5445-T1 GEON W9300 NAT 0000

ROJO PVC/B ROJO PVC GEON W9300 NAT 0000