INHALER ROLL BRAND P P I N H A L E R R O L L C A P • Provide green glow-in-the-dark effect colorants • Offer good glowing performance but with a low dosage • Meet a short delivery lead-time and cost-effective solution • Met customer’s glowing effect requirement of more than 8 hours with a 2% dosage • Offered strong product innovation ability to support customer’s product differentiation with special effects • Provided a short lead time and cost- effectiveness with local production OnColor Lux Colorants KEY REQUIREMENTS WHY AVIENT?

Microsoft PowerPoint - AVNT Q1 2024 Investor Presentation AVIENT CORPORATION I N V E S T O R P R E S E N T A T I O N (NYSE: AVNT) M AY 2 0 2 4 DISCLAIMER Forward-Looking Statements Certain statements contained in or incorporated by reference into this presentation constitute “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. Continue fostering our Great Place to Work® culture Strategic ObjectivesStrategic Objectives Long Term Growth Rates Growth DriversGrowth Drivers $340 $455 $790 $1,135 $51 $84 $212 $645 $108 $113 $231 $230 $265 $358 $726 $725 8-12% 8-10% 8-10% 5% Sustainable Solutions Composites Healthcare Asia/Emerging Regions Profitable GrowthProfitable Growth Great Place to WorkGreat Place to Work 5.4% 10.9% 16.0% 2006 2014 2023 EBITDA Margins $0.14 $1.93 $2.36 2006 2014 2023 TOP-TIER SUSTAINABILITY PERFORMANCE AND RECOGNITION Industry Sustainability Standards ESG Ratings Performance 1 87th 94th percentile 5 Avient CDP Score: A- M AY 7 , 2024 W EB CAS T P RE SE N TATI O N 7 REGIONAL DEMAND TRENDS-TOTAL COMPANY Q 1 S A L E S V S P Y ( E X C L U D I N G F X ) 7 +2% -6% Flat +2% Avient ex.

 • A reconciliation of each non‐GAAP financial measure with the most directly  comparable GAAP financial measure is attached to this presentation which is co pa ab e G a c a easu e s attac ed to t s p ese tat o c s posted on our website at www.polyone.com.  Page 3 Strategy and Execution Drive Results 90% $22 $24 PolyOne Stock Price 50% $18 $20 $22 S&P 500 (relative performance) 30% $12 $14 $16 S&P 500 (relative performance) ‐10% 10% $6 $8 $10 50% ‐30% $0 $2 $4 $ | ‐50%$0 2006 2007 2008 2009 2010 2011 2012 2013 Page 4 Four Pillar Strategy The World’s Premier Provider of SpecializedThe World s Premier Provider of Specialized  Polymer Materials, Services & Solutions Page 5 Spartech – Compelling Strategic Rationale • Spartech expands PolyOne’s specialty portfolio with adjacent  technologies in attractive end markets  Bolt on acquisition with opportunity for global expansion as only Bolt‐on acquisition with opportunity for global expansion, as only  6% of Spartech’s revenues are outside of North America • PolyOne has a proven management team with a track record of  transformational success • Preliminary synergy estimated at $65 million run rate by end of  3year 3  Significant opportunity to expand profitability by leveraging  PolyOne’s four pillar strategy • Substantial potential share price appreciation for all  shareholders f f ll / $ Accretive to EPS in first full year post‐acquisition / $0.50 once  synergies realized Page 6 Mix Shift Highlights Specialty Transformation  Old  PolyOne Transformation 100% 2015 Target 80% In co m e*   65 – 75%40% 60% f O pe ra tin g  34% 43% 45% 65  75% 20%  o f 2%0% 2005 2008 2010 2012 2015 Specialty OI $5M   $46M                        $87M                       $114M                     Target *Operating Income excludes corporate charges and special items JV's PP&S Distribution Specialty Page 7 Proof of Performance 2007 2012 2015 “Where we were” “Where we are” “Where we Where we were Where we are expect to be" 1)  Operating Income % Specialty 3.2% 9.1% 12 – 16% PP&S 6.1% 9.0% 9 – 12% Distribution 3.0% 6.4% 6 – 7.5% 2)  Specialty Platform sss% of Operating Income 20% 45% 65 – 75% 3) ROIC* ( ft t ) 7% 11% 15%3) ROIC* (after‐tax) 7% 11% 15% 4)  Adjusted EPS Growth** N/A 4 yr CAGR = 55% Double Digit  Expansion *ROIC is defined as TTM adjusted OI divided by the sum of average debt and equity over a 5 quarter period **4 yr EPS CAGR calculated using 2012 adjusted EPS vs 2008 adjusted EPS Page 8 Proof of Performance Spartech Opportunity Intermediate  PolyOne Spartech Opportunity 2006 2012 Today Goal “Where we were” “Where we are” “Where  Spartech is”* “Where we can go”were are Spartech is can go Specialty Operating Margin 1.5% 9.1% 2.2% 8.0% – 10.0%  Margin Page 9 *Pro Forma results include Spartech corporate allocations for FY12 ended November 3, 2012 PolyOne 14% Latin America 3% Distribution 2012 Revenues: $4.2 Billion* 2012 Revenues: $4.2 Billion* United States 14% 5% PP&S 20%Specialty 57% Building & HealthCare 1.02 1.20 $1.20 $1.40 ha re End Markets* EPS Growth Construction 14% 17% Industrial 9% 0.27 0 21 0.79 $0.40 $0.60 $0.80 $1.00 Ad ju st ed  E ar ni ng s P er  S Electrical & 0.12 0.21 0.13 $0.00 $0.20 2006 2007 2008 2009 2010 2011 2012 Page 10 * Pro Forma includes FY2012 results for Spartech (11/03/12 YE) and Glasforms Specialty U it d 2012 Revenues: $2.4 Billion* Solutions United States 59% 9% Latin America Building & C t ti HealthCare   o f S al es 12-16% End Markets* Expanding Profits Construction Electrical & Industrial 15% 1.5% 3.2% 4.3% 5.3% 8.4% 9.1% O pe ra tin g  In co m e  Page 11 2006 2007 2008 2009 2010 2011 2012 2015 O Target* Pro Forma includes FY2012 results for Spartech (11/03/12 YE) and Glasforms Designed Structures and Solutions United States 2012 Revenues: $0.85 Billion* Solutions 84% Latin America 4% Building & Construction Sign & Advertising 3% Recreation & Leisure Pool & Spa 1% Distribution & Thermoform 2% Operating Income % of Sales 2012 Revenue by Industry Segment* Expanding Profits** Electrical & Electronics 23%Industrial 3% 2.2% 8 ‐ 10% 1% HealthCare 2012 2015 Target  Page 12 *Pro Forma includes FY2012 results for Spartech (11/03/12 YE) **Pro Forma results include Spartech corporate allocations for FY12 Positioned for Earnings Growth 2015 Target Rev: $5B Adj. 

Microsoft PowerPoint - AVNT M11 Investor Presentation AVIENT CORPORATION I N V E S T O R P R E S E N T A T I O N (NYSE: AVNT) N OV E M B E R 2 0 2 4 DISCLAIMER Forward-Looking Statements Certain statements contained in or incorporated by reference into this presentation constitute “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995.

Industrial Valle del Cinca S/N Apartado Barbastro, Huesca E-22300 Facility: Avient Corporation - Bethel, CT 19 Francis J Clark Circle Bethel, CT 06801 Activity: Design and Manufacture of Specialty Engineered Thermoplastics Activity: Design and Manufacture of Colorants and Compounds for Fluoropolymer and High Temperature Polymers. Activity: Design and Manufacture of Colorants and Additives for Plastics Page 6 of 10 833 Ridgeview Drive 921 Ridgeview Drive Activity: Design, Manufacture and Distribution of Thermoplastic Elastomer Activity: Design, Manufacture and Distribution of Thermoplastic Elastomer Facility: Avient Corporation - Merate, Italy Via Bergamo 51 23807, Merate, Lecco Facility: Avient Corporation - North Baltimore, OH 733 E.

Industrial Valle del Cinca S/N Apartado Barbastro, Huesca E-22300 Facility: Avient Corporation - Bethel, CT 19 Francis J Clark Circle Bethel, CT 06801 Activity: Design and Manufacture of Specialty Engineered Thermoplastics Activity: Design and Manufacture of Colorants and Compounds for Fluoropolymer and High Temperature Polymers. Activity: Design and Manufacture of Colorants and Additives for Plastics Page 6 of 10 833 Ridgeview Drive 921 Ridgeview Drive Activity: Design, Manufacture and Distribution of Thermoplastic Elastomer Activity: Design, Manufacture and Distribution of Thermoplastic Elastomer Facility: Avient Corporation - Merate, Italy Via Bergamo 51 23807, Merate, Lecco Facility: Avient Corporation - North Baltimore, OH 733 E.

Industrial Valle del Cinca S/N Apartado Barbastro, Huesca E-22300 Facility: Avient Corporation - Bethel, CT 19 Francis J Clark Circle Bethel, CT 06801 Activity: Design and Manufacture of Specialty Engineered Thermoplastics Activity: Design and Manufacture of Colorants and Compounds for Fluoropolymer and High Temperature Polymers. Activity: Design and Manufacture of Colorants and Additives for Plastics Page 6 of 10 833 Ridgeview Drive 921 Ridgeview Drive Activity: Design, Manufacture and Distribution of Thermoplastic Elastomer Activity: Design, Manufacture and Distribution of Thermoplastic Elastomer Facility: Avient Corporation - Merate, Italy Via Bergamo 51 23807, Merate, Lecco Facility: Avient Corporation - North Baltimore, OH 733 E.

Independence Assessment of Outside Advisers • The Committee may select a compensation consultant, legal counsel or other adviser to the Committee or receive advice from a compensation consultant, legal counsel or other adviser (other than in-house legal counsel or any compensation consultant, legal counsel or other adviser whose role is limited to the following activities for which no disclosure would be required under Item 407(e)(3)(iii) of Regulation S-K: consulting on any broad-based plan that does not discriminate in scope, terms, or operation, in favor of executive officers or directors of the Company, and that is available generally to all salaried employees; or providing information that either is not customized for a particular company or that is customized based on parameters that are not developed by the compensation consultant, and about which the compensation consultant does not provide advice) only after taking into consideration all factors relevant to that person’s independence from management, including the following: 5 • the provision of other services to the Company by the employer of the compensation consultant, legal counsel or other adviser; • the amount of fees received from the Company by the employer of the compensation consultant, legal counsel or other adviser, as a percentage of the total revenue of the employer of the compensation consultant, legal counsel or other adviser; • the policies and procedures of the employer of the compensation consultant, legal counsel or other adviser that are designed to prevent conflicts of interest; • any business or personal relationship of the compensation consultant, legal counsel or other adviser with a member of the Committee; • any stock of the Company owned by the compensation consultant, legal counsel or other adviser; and • any business or personal relationship of the compensation consultant, legal counsel, other adviser or the employer of the adviser with an executive officer of the Company The Committee shall evaluate whether any compensation consultant retained or to be retained by it has any conflict of interest in accordance with Item 407(e)(3)(iv) of Regulation S-K.

The Committee is not required to assess the independence of any in-house legal counsel or compensation consultant, legal counsel, or other adviser whose role is limited to the 5 following activities for which no disclosure would be required under Item 407(e)(3)(iii) of Regulation S-K: consulting on any broad-based plan that does not discriminate in scope, terms, or operation, in favor of executive officers or non-employee directors of the Company, and that is available generally to all salaried employees; or providing information that either is not customized for a particular company or that is customized based on parameters that are not developed by the compensation consultant, and about which the compensation consultant does not provide advice The Committee shall evaluate whether any compensation consultant retained or to be retained by it has any conflict of interest in accordance with Item 407(e)(3)(iv) of Regulation S-K.

El Vendedor no ofrece ninguna garantía, expresa o implícita, incluyendo, sin limitación, las garantías implícitas de comerciabilidad e idoneidad para un fin determinado, con respecto a las 3. La falta de reclamo por el Comprador dentro del plazo establecido constituirá una renuncia absoluta e incondicional a cualquier reclamo. El Comprador reconoce que el Vendedor le entregó las Planillas de Datos de Seguridad, las cuales incluyen advertencias e información sobre seguridad y salubridad del Producto y sus contenedores.