In addition, other customer-facing associates also benefit from CCS engagement. Enabling Sustainability for Our Customers As a global leader in innovative sustainable solutions, we collaborate closely with our customers to help them achieve their sustainability goals. This means making customized decisions on a case-by-case basis.

In addition, other customer-facing associates also benefit from CCS engagement. Enabling Sustainability for Our Customers As a global leader in innovative sustainable solutions, we collaborate closely with our customers to help them achieve their sustainability goals. This means making customized decisions on a case-by-case basis.

It provides information on topics frequently evaluated by our customers, including quality management, environmental, health and safety, and sustainability. Many customers have asked us to complete their supplier questionnaire. The tests are done by certified laboratories and declarations are available to customers upon request on product level.

We offer payment terms to our customers that are competitive. Our customer returns are immaterial. Commercial excellence enables us to deliver value to customers by supporting their growth and profitability with superior customer service.

V I S I O N PolyOne Corporation 4 To be the world’s premier provider of specialized polymer materials, services and solutions C O R E V A L U E S P E R S O N A L V A L U E S Honesty IntegrityRespect Operational Excellence Commercial Excellence Specialization Globalization Collaboration ExcellenceInnovation To be the world’s premier provider of specialized polymer materials, services and solutions S A F E T Y F I R S T PolyOne Corporation 5 Injuries per 100 Workers Spartech Acquisition 1.3 1.1 1.1 0.85 0.65 0.57 0.54 0.97 0.84 0.74 0.74 0.69 0.51 0.56 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 C O M M O D I T Y T O S P E C I A L T Y T R A N S F O R M A T I O N PolyOne Corporation 6 • Volume driven, commodity production • Heavily tied to cyclical end markets • Performance largely dependent on non- controlling joint ventures • Shift to value-based selling & an innovative culture • New leadership team appointed • Implementation of four pillar strategy • Investment in commercial training and innovation • Faster growing, high margin focus • Accelerated growth with world class vitality index • Significant commercial resource additions • Expanded margins with specialty focus • Acquired strategic, bolt-on companies to expand technology offerings and improve geographic breadth Volume Value Transformation The Future 2006 - 2013 2013 – 20192000-2005 2006 - 2013 • Landmark portfolio transformation creates specialty growth company • Sustainability / mega- trends drive above market growth 2020 and Beyond PolyOne Corporation 7 P O L Y O N E 2 0 1 9 R E V E N U E | $ 2 . 9 B I L L I O N Segment End Market Geography Transportation 15% Healthcare 15% Industrial 14% Packaging 13% Consumer 12% Wire & Cable 11% Building & Construction 6% Electrical & Electronics 6% Textiles 5% Appliance 3% Color Additives & Inks 34% Distribution 41% Specialty Engineered Materials 25% United States 54% Europe 19% Asia 11% Latin America 11% Canada 5% P R O O F O F P E RFO RMAN CE C O N S E C U T I V E Y E A R S 10 A D J U S T E D E P S E X P A N S I O N PolyOne Corporation 8 $1.69 $1.51 S U S T A I N A B L E P A T H T O D O U B L E - D I G I T E P S G R O W T H PolyOne Corporation 9 P E O P L E P R O D U C T S P L A N E T P E R F O R M A N C E Double digit annual EPS growth Expand specialty portfolio with strategic acquisitions Innovate and develop new technologies and services Repurchase 600K-1M shares annually Increase commercial resources 5-7% annually Double acquired company margins Enhance efficiencies through Lean Six Sigma and commercial excellence 531 710 1,042 130 164 208 504 663 880 2014 2018 2019E PF* R&D / Technical Marketing Sales PolyOne Corporation 10 + 34% + 26% + 32% E X P A N S I O N O F COMMERCIAL RESOURCES D R I V I N G G R O W T H $2.9 $2.9 $3.5 2015 2016 2017 2018 2019E PF Total + 9% Organic + 5% Revenue in Billions Total + 10% Organic + 7%+ 47% + 27% + 33% $4.0 $3.2 2019E PF* * 2019E Pro Forma for PP&S Divestiture and Clariant Masterbatch business Lead Specialists T H E E V O L V I N G C U S T O M E R R E L A T I O N S H I P PolyOne Corporation 11 Expanded Path Traditional Path Strategic Accounts/ Field Sales Business Development Customer Service Web and Social Media Inside Sales PolyOne Corporation 12 Investments in digital and dedicated inside sales to improve customer experience 110% increase in leads (from 6,000 to 12,700) driven by website, phone, and online chat EXPANDED PATH A D D I N G C U S T O M E R T O U C H P O I N T S 4 33 2014 2019 Inside sellers $11M $87M 2014 2019 Inside sales/digital revenue A L I G N I N G W I T H T R E N D S F O R G R O W T H T R A N S P O R T A T I O N P A C K A G I N G H E A L T H C A R E C O N S U M E R PolyOne Corporation 13 Facilitate alternative energy solutions Light- weighting Reduce packaging materials Improve recyclability Reduce spread of infection R E V E N U E F R O M S U S T A I N A B L E S O L U T I O N S PolyOne Corporation 14 2016 2017 2018 2019 Lightweighting Reduced Material Requirements Improved Recyclability Renewable Energy Applications Eco-conscious Bio-derived Content Reduced Energy Use VOC Reduction $275M $325M $355M $410M 14% Total Annual Growth 9% Organic Annual Growth I N N O V A T I O N PolyOne Corporation 15 Customization 55% M&A 30% Innovation Pipeline 15% Innovation comes from Research & Development Spend ($ millions) Vitality Index % of sales from products launched last 5 years 12% 37% 2006 2019 $20 $51 2006 2019 Transformational Opportunity for Growth Through M&A Adjacent Opportunity for Growth Through New Product Pipeline Core Customization 3 H O R I Z O N S O F D E V E L O P M E N T PolyOne Corporation 16 Incremental development from existing base of technology New development adjacent to current technology New technology development outside of and with our current base Service adjacent markets and customers Create new markets, target new customer needs Service existing markets and customers Market Technical I N N O V A T I O N Non-Halogen Flame Retardants Barrier Technologies Fiber Colorants Advanced Composites Thermoplastic Elastomers Gordon Composites/ Polystrand – Composites GLS – Thermoplastic Elastomers ColorMatrix – Liquid Color & Additives PlastiComp Fiber-Line I N N O V A T I O N S P O T L I G H T : C O M P O S I T E S PolyOne Corporation 17 C O M P O S I T E M A T E R I A L S Glass Carbon Aramid Thermosets Thermoplastics PolymersFibers PolyOne Corporation 18 Focused End Markets • Wire & Cable / Electrical • Consumer • Transportation • Industrial C O M P O S I T E S P O R T F O L I O D I V E R S E C A P A B I L I T I E S A N D S O L U T I O N S S E R V I N G M A N U F A C T U R E R S A N D O E M S PolyOne Corporation 19 LFT Tapes Laminates/Panels Shapes Pultrusion Engineered Fibers P O L Y O N E A P P L I C A T I O N S I N F I B E R O P T I C C A B L E S PolyOne Corporation 20 1. Cable jacket/sheath– Made of PE 9 Fiber-Line Product PolyOne Materials F I B E R O P T I C A L G R O W T H D R I V E R S PolyOne Corporation 21 5G Networks  Enable lower latency, greater flexibility & efficiency  Installation of these networks are in the very early stages  Installation will start in urban hubs and will continue to expand into suburban and rural areas  By 2025, only 14% of the world will have 5G connections  Growth is expected over multi- year period 5G technology will be a leading growth driver in fiber optic cable for several years 10x Speed Increase & 8x More Antennae Required 5G vs. 4G PolyOne Corporation 22 Safety Technology Geography Service FinancialPeople Low EH&S risk profile New and complementary technologies Leverage our global footprint Strong customer relationships Foundational operating margins of 8-10% with ability to double Motivated team with a specialty culture I N V E S T - T O - G R O W M & A S T R A T E G Y PolyOne Corporation 23 Capture sourcing synergies Cross-sell & blend technology 8-10% operating margins I N V E S T - T O - G R O W M & A P L A Y B O O K Protect customers Retain employees Implement LSS to drive efficiency improvements Innovate with combined portfolio Safety First! Service:�The Timeless differentiator Talent development IQ DESIGN LSS CUSTOMER FIRST Innovating with PolyOne COLOR, ADDITIVES & INKS Color, Additives & Inks Specialty Engineered Materials Specialty Engineered Materials DISTRIBUTION Overview of RAW MATERIAL PURCHASES Target end markets & �application examples Slide Number 52 Slide Number 53 Slide Number 54 Slide Number 55 Slide Number 56 Slide Number 57 Slide Number 58 Slide Number 59 Slide Number 60 Slide Number 61 Slide Number 62 Slide Number 63 Slide Number 64 Slide Number 65

OUR STRATEGY Specialization Differentiates us through unique value-creating offerings to our customers. Globalization Positions us to serve our customers consistently, everywhere in the world. WHAT WE DO: MATERIAL SCIENCE 5 CUSTOM FORMULATION FE BRUARY 1 5 , 2023 W EB CAS T Q4 2022 VS.

Such documents are provided on request, and as applicable. 6.0 CUSTOMER AUDIT 6.1 Customer may request to visit and inspect NEU’s facility relating in the manufacture of product. Inspection may include applicable internal systems, calibration programs, laboratory practices, and equipment pertaining to the Customer-specific product. 6.1.1 Adequate prior notice (30 days) must be given, with a proposed agenda. 6.1.2 The scope of the inspection is at the discretion of NEU. 6.1.3 Non-Disclosure Agreement and\or Visitor Confidentiality Agreement is required of Customer. 7.0 SUPPLIER CONTROL and REGULATORY RESPONSIBILTY 7.1 The control of suppliers and regulatory responsibility of the vendors and product supplied by NEU to the Customer are dependent on the specification and ownership of the components used to manufacture the product, as further outlined below. 7.1.1 Raw materials, components and suppliers developed or specified by NEU are controlled and monitored by NEU. 7.1.2 Raw materials, components and suppliers developed or specified by Customer are controlled and monitored by Customer. 7.1.2.1 NEU may survey suppliers specified by Customer on behalf of Customer to satisfy a Customer request for information. Upon notification from the NEU supplier, NEU will notify the Customer of the effect on the manufacture of the compound(s) (such as raw material availability, vendor name changes, vendor manufacturing location, and vendor nomenclature). 9.0 CUSTOMER FEEDBACK 9.1 NEU will use commercially reasonable efforts to (i) acknowledge receipt of Customer complaints within one business day; (ii) conduct an investigation and communicate a resolution to Customer within 30 days after receipt of the complaint.

Our local touch and customer engagement, combined with our global presence, allow us to serve customers with agility. For us, innovation starts with understanding the needs of our customers and our markets. As an innovator of materials solutions, with a diverse technology portfolio and unwavering customer focus, Avient is in a position to enable sustainability for our customers.

We also offer compounds and special services such as custom color design or combination concentrates containing color and additive and pre-colored solutions. This advanced additive also enables customers to preserve electrical properties while reducing insulation thickness and raw material consumption through a consistent closed-cell structure. We continually monitor global regulations to stay current with the needs of our customers.

AVIENT RESPONSIBLE CARE POLICY Avient Corporation conducts its operations in a manner that is protective of the environment, and the health, safety and security of associates, customers, and all our stakeholders, including the communities in which we operate. Our policy is to conduct business in a manner that complies with regulatory and other requirements while warranting the safety and health of our associates, customers, contractors, suppliers, and the communities in which we operate. Sustainable and ethical management of our products protects our employees, customers and communities in which we operate, while maintaining customer confidence in Avient’s materials.