Light-weighting solutions that replace heavier traditional materials like metal, glass and wood, which can improve fuel efficiency in all modes of transportation and reduce carbon footprint

Light-weighting solutions that replace heavier traditional materials like metal, glass and wood, which can improve fuel efficiency in all modes of transportation and reduce carbon footprint

Light-weighting solutions that replace heavier traditional materials like metal, glass and wood, which can improve fuel efficiency in all modes of transportation and reduce carbon footprint  

Light-weighting solutions that replace heavier traditional materials like metal, glass and wood, which can improve fuel efficiency in all modes of transportation and reduce carbon footprint 

Supplier HellermannTyton switched to heat-stabilized Bergamid™ B70 G30H Black TM-X polyamide to produce a seat fastener at lower cost, lower weight and with greater design flexibility

Supplier HellermannTyton switched to heat-stabilized Bergamid™ B70 G30H Black TM-X polyamide to produce a seat fastener at lower cost, lower weight and with greater design flexibility

Examples include: • Barrier technologies that preserve the shelf-life and quality of food, beverages, medicine and other perishable goods through high- performance materials that require less plastic • Light-weighting solutions that replace heavier traditional materials like metal, glass and wood, which can improve fuel efficiency in all modes of transportation • Breakthrough technologies that minimize wastewater, improve the recyclability of materials and advance a circular economy • Composite solutions to support accelerated growth of 5G / fiber-optic infrastructure investment as the world demands greater and faster connectivity Avient employs approximately 8,400 associates and is certified ACC Responsible Care® and a founding member of the Alliance to End Plastic Waste. We are Avient. 6 B ET T E R TO G E TH E R : P O LYO NE A N D C L A R I A N T M A S T ER BATC H Key Financial Data (1) 2021E Sales $4.6 - $4.7 billion 2021E EBITDA $580 million 2021E Free Cash Flow $280 million 87% of EBITDA from specialty applications (1) As of July 30, 2021 webcast Synergies ($ millions) Three-Year Estimate Administrative $ 20 Sourcing 30 Operational 25 Total Synergies $ 75 7 C L A R I A N T C O S T S Y N ERG I E S • On-track to realize $45 million of expected synergies in 2021 – up from previous 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 C O M P L E M E NTA RY T E C H N O LOG I E S A N D C U S TO M ER S D R I V E R E V E N U E S Y N E RG I E S Revenue synergy opportunities in excess of $50MM by 2025 The complementary aspects of our combined businesses are unquestionable. Operating Income $3,783 $4,300 2020PF 2021E Adjusted EPS (1) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition Previous Guidance Current Guidance $3,783 $4,650 2020PF 2021E $308 $410 2020PF 2021E $308 $430 2020PF 2021E $1.93 $2.80 2020PF 2021E $1.93 $3.00 2020PF 2021E (1) (1)(1) (1)(1) (1) (in millions) (in millions) $442 $457 $580 2019PF 2020PF 2021E $1.74 $1.93 $3.00 2019PF 2020PF 2021E FULL YEAR 2019 – 2021 ORGANIC GROWTH ( T O TA L C O M PA N Y ) 22 Sales Adjusted EBITDA $3,981 $3,783 $4,650 2019PF 2020PF 2021E + 17% Adjusted EPS (1) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition (1) (1) (in millions) (in millions) (1)(1) + 31% + 72% (1) (1) ($ in millions) 2021E Adjusted EBITDA 580$ Free Cash Flow 280$ Total Debt 1,860 Less: Cash (755) Net Debt 1,105$ 2021E Net Debt / Adjusted EBITDA 1.9x 23 BA L A N C E S H E E T • Acquisition of Magna Colours completed on July 1 – expands sustainable solutions portfolio through water-based inks technology • Deleveraging to 1.9x net debt to adjusted EBITDA by the end of 2021 • Driven by record adjusted EBITDA performance and strong free cash flow generation from asset light business • Future cash deployment: M&A, opportunistic share repurchases and balance sheet / continued leverage reduction 3.5x 2.7x 1.9x 2019PF 2020PF 2021E Net Debt / Adjusted EBITDA (1) (1) (1) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition S U S TA I NA B I L I T Y F O R A B ET T E R TO M O R ROW 24 • Revenue from sustainable solutions expected to grow 14% in 2021 as our innovation efforts and collaboration with customers continues to accelerate • Investments centered around innovation and global sustainability megatrends o Enabling a circular economy – Technologies that allow for increased use of post-consumer recycled (PCR) material and improve recyclability of plastics o Light-weighting – Composites and CAI applications to reduce weight and material requirements, which minimize energy and carbon emissions o Eco-Conscious – Health and human safety applications as well as Avient’s alternative materials to replace lead, PVC, halogens, BPA and other less eco-friendly options 24 2016 2017 2018 2019 2020PF** Bio-polymers Reduced Energy Use Human Health & Safety Sustainable Infrastructure VOC Reduction Recycle Solutions Eco-Conscious Lightweighting Revenue From Sustainable Solutions* 2016-2020 $405M $455M *Avient Sustainable Solutions definitions aligned with FTC 2012 Guide for the Use of Environmental Marketing Claims (“Green Guides”) **2020 is Pro Forma to include full year of the Clariant Masterbatch business $340M $550M $790M 24 25 Key Updates • Includes Clariant Masterbatch performance • Increases disclosures and ESG data • Provides performance updates on 2030 Sustainability Goals • Commits to operational carbon neutrality in 2050 and 100% renewable energy by 2050 (RE 100) • Announces Avient’s participation in U.N.

R A I L C A R M A N U FAC T U R E R D O O R P A N E L • High stiffness-to-weight ratio and improved thermal insulation to incumbent materials • Efficient manufacturing process to ensure quality panel construction and standards • Domestic supply and manufacturing to ensure timely delivery • Reduced component complexity compared to metal • Custom-engineered panel with varying core materials and thicknesses to meet performance requirements • Reliable material supply with product manufactured in United States CRTM™ Composite Sandwich Panels KEY REQUIREMENTS WHY AVIENT AVIENT SOLUTION CORROSION & IMPACT RESISTANT LEARN MORE Copyright © 2024, Avient Corporation.

O F F - ROA D V E H I C L E M A N U FAC T U R E R C A R G O R A C K • Design freedom • Improve process efficiency to reduce cost • High strength-to-weight ratio • Aesthetic appeal • Weather and chemical resistance • Replaced metal with a injection-moldable thermoplastic plus TPE overmold to meet performance demands and maintain premium brand quality • Provided technical support to help expand the design and function of the cargo rack • Reduced manufacturing costs by eliminating the painting step from the process Versalloy™ TPE and thermoplastic substrate KEY REQUIREMENTS WHY AVIENT?

RADIO CONTROL SYSTEM PRODUCER A N T I - S T A T I C B E L L O W • Electrical resistivity of < E+6 Ω • Soft grades between 40-50 Shore A • Abrasion resistant • Light weight material • Designed to meet ATEX standards • Replaced conductive EPDM thermoset rubber enhancing processability and enabled in-house injection molding • Provided electrical resistivity at a low shore hardness, improving joystick maneuverability • Enabled greater scrap re-use rate Stat-Tech™ Thermoplastic Elastomer KEY REQUIREMENTS WHY AVIENT?