also intends to grant the underwriters an option, exercisable for 30 days after the date of the final prospectus supplement, to purchase up to an additional

They are great additions to our growing specialty portfolio, which remains unmatched in the industry," said

Fiber-Line is an innovative and unique addition to our portfolio of fiber and composite solutions with tremendous upside for growth," said

He leads the company’s efforts to drive new business development and market development, enhance marketing excellence across Avient, and advance our commercial excellence programs. A cerfitied Lean Six Sigma Black Belt, Mr. Avient Corporation • 33587 Walker Road • Avon Lake, Ohio 44012 • 440.930.1000 • www.avient.com https://www.avient.com/

Available in natural and black grades, this Edgetek PKE GF series can be colored at the press. Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application. AVIENT MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, either with respect to the information or products reflected by the information.

Available in natural and black grades, LubriOne PKE grades can be colored at the press. Industrial – conveyor belts • Electronics – gears & switches • Appliance – pumps & spigots PRODUCT BULLETIN 1.844.4AVIENT www.avient.com Copyright © 2021, Avient Corporation. Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application.

S8080 LOW CURE ADDITIVE S18080 LOW CURE ADDITIVE 600R JET BLACK/2000

TRANSPORTATION OEM A F T E R M A R K E T M O T O R C Y C L E T R U N K L I D & B A S E • Maintain physical performance of incumbent 30% glass fiber nylon while improving sink and warp issues • Black with an easy-to-paint surface • UV resistant • Collaborated to rapidly provide an alternative material with excellent balance of physical properties and durability • Achieved comparable performance while improving paintability • Quickly provided samples and offered on-site application development and technical support at molding trials Nymax™ Glass and Mineral Fiber Reinforced Nylon 6 Formulation KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION SERVICE EXCELLENCE + PERFORMANCE LEARN MORE Copyright © 2022, Avient Corporation.

SATELLITE OEM B R A I D E D T E T H E R • Needs a small diameter strength member with specific tensile and geometric requirements that current product was not achieving • Requires a solution that is also black and UV resistant, as existing aramid yarns are not available in color (coating is not acceptable for the application due to off-gassing complications) • Withstands extreme, prolonged thermal cycling • Acts as a critical component for safe re-entry into earth’s atmosphere at the end of the satellite’s life cycle Met critical government environmental regulations • Leveraged key existing vendor relationships to supply the only material able to meet all requirements • Mass-produced braids in parallel that attach to meet the length target • Ensured simple qualification process to increase speed to market Fiber-Line™ Vectran HT Braid KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION PERFORMANCE + EFFICIENCY LEARN MORE Copyright © 2023, Avient Corporation.

Avient’s chief operating decision maker uses these financial measures to monitor and evaluate the ongoing performance of Avient and each business segment and to allocate resources. For the same reasons, Avient is unable to address the probable significance of the unavailable information. In addition, operating income before the effect of special items is a component of Avient’s annual incentive plans and is used in debt covenant computations.