A leading North American manufacturer of polypropylene (PP) hose for medical applications, including laser surgery, respiratory care and sleep apnea equipment, faced a challenge with its existing thermoplastic vulcanizate (TPV). The Avient team assessed the application’s technical and operational requirements, and recommended a GLS™ Versalloy™ alloy in 45 Shore A durometer, an FDA-compliant medical TPV grade designed for overmolding onto PP.

A leading North American manufacturer of polypropylene (PP) hose for medical applications, including laser surgery, respiratory care and sleep apnea equipment, faced a challenge with its existing thermoplastic vulcanizate (TPV). The Avient team assessed the application’s technical and operational requirements, and recommended a GLS™ Versalloy™ alloy in 45 Shore A durometer, an FDA-compliant medical TPV grade designed for overmolding onto PP.

PROXY SUMMARY Company Operating Performance PolyOne again delivered earnings growth in 2017, driven by broad-based organic revenue growth of 7% and record- setting performances from our Color, Additives and Inks (“CAI”), Performance Products and Solutions (“PPS”) and Distribution (“POD”) segments. Record performance in our CAI, PPS and POD segments, which delivered operating income of $138.6 million, $77.1 million and $72.6 million, respectively, in 2017. Strong organic revenue growth and record operating income in CAI, PPS and POD, along with lower share count and taxes, contributed to an 8% and 7% increase in earnings per share and adjusted earnings per share, respectively.

We help our customers increase post- consumer recycled content, formulate with bio-based materials, use less material during production, reduce energy required for production, and build alternative energy applications. PROXY SUMMARY PROXY STATEMENT 2023 | Annual Meeting of Shareholders 7 Sustainability Goals By 2030, Avient will enable 100% of our products manufactured for packaging applications to be recyclable or reusable to advance the circular economy. Limited Share Recycling Provisions.

HUMO PP GREEN EXT PP PP FR 8-6 LMS-1000

CGT74- B319C CLARIFIED PP-FDA OD CAMO CLAR PP PP FR 8-6 LMS-1000

BLUE TRANS PG 51461.00 BU PP PG 96129.00 PEARL BU PP SL PP FR 8-6 LMS-1000

OPAQUE RED PP SM 145263.00 RD PP PP FR 8-6 LMS-1000

ST PP 4286-002 X ST PP 4286-003 PP FR 8-6 LMS-1000

692929 ARBOURNE PP II PG 39597 BU PP PP FR 8-6 LMS-1000