UV PATRIOT BLUE PE 6 NYLON BLUE-F 285C PP FR 8-6 LMS-1000

HMF RED UV PE 6 RED NYLON RAL3020 PP FR 8-6 LMS-1000

350C GREEN NYLON PP FR 8-6 NAT PP FR 8-6 LMS-1000

NYLON WHITE IVORY Q810-6-5 PP FR 8-6 LMS-1000

GREEN NYLON TPU TIONA WHITE 6% PP FR 8-6 LMS-1000

Q520 6-3 WHITE NYLON G/F PP FR 8-6 LMS-1000

NEGRO NYLON X 15095-03-6 PP FR 8-6 LMS-1000

UV DARK CHOCOLATE PE 6 NYLON HILTI PP FR 8-6 LMS-1000

We are Avient. 6 BETTER TOGETHER: POLYONE AND CLARIANT COLOR Key Financial Data (1) 2021E Sales $4.75 billion 2021E EBITDA $580 million 87% of EBITDA from specialty applications (1) As of October 28, 2021 webcast Synergies ($ millions) Three-Year Estimate Administrative $ 20 Sourcing 30 Operational 25 Total Synergies $ 75 7 CLARIANT COST SYNERGIES • On-track to realize $50 million of expected synergies in 2021 – up from earlier estimate of $35 million • Relentless focus on guiding principles for acquisition integration: safety first, employee collaboration and exceeding customer expectations • Future revenue synergies in excess of $50 million by 2025 are not part of these estimates and represent additional growth over the long term 8 • Barrier technology • Functional additives • Processing aids • Flame retardants • Light-weighting additives Complementary Technologies • Clariant’s approved formulations and certified facilities • Legacy PolyOne’s leading share in distribution channels Healthcare Solutions • Clariant’s position in SE Asia, Latin America, Germany & Italy • Legacy PolyOne’s position in U.S., Canada and China Regional Strengths • Solutions with Avient’s engineered materials customers • Avient’s distribution channels Segment Cross-selling COMPLEMENTARY TECHNOLOGIES AND CUSTOMERS DRIVE REVENUE SYNERGIES Revenue synergy opportunities in excess of $50M by 2025 The complementary aspects of our combined businesses are unquestionable. This innovation drives performance and is reflective of consistent, strategic investments in technology and people Clariant Color business acquired July 1, 2020 1 1 2 3 5 7 7 7 9 10 30 40 14 25 13 22 35 9 19 13 18 41 Current Additional share needed to reach 2025 target BRAND OWNERS COMMITTED TO INCREASING USE OF RECYCLED MATERIALS 14 Brand Owner 1 Brand Owner 3 Brand Owner 2 Brand Owner 7 Brand Owner 4 Brand Owner 10 Brand Owner 6 Brand Owner 11 Brand Owner 5 Brand Owner 8 Brand Owner 9 Brand Owner 12 Brand Owner 13 Percent recycled plastic used: (examples and not exhaustive) (1) (1) Latest year reported. Whether an additional line at an existing manufacturing plant, or a new facility in a growing region, we ramp-up quickly and cost-efficiently. 31 Capex / Revenue 2021E (%) AVIENT IS ASSET LIGHT Avient Specialty Formulators Other Chemical/Specialty Companies 2 3 1 2 3 3 3 4 3 3 4 5 5 5 6 9 A vi e nt A vi e nt ( E xc l.

Nymax™ REC Recycled Nylon Formulations Nymax™ REC Recycled Nylon Formulations Complēt™ Moisture Resistant Nylons