CONCRETE REINFORCEMENT I N F R A S T R U C T U R E R E P A I R • Alternative to steel for reduced weight and improved corrosion resistance • Surface modification capabilities to improve concrete adhesion • Superior strength-to-weight ratio • Durable, long-lasting performance to extend service life • Provided peel ply and other surface modification capabilities that comply with specific CA regulations and allowed for better adhesion with concrete • Performed with higher strength-to-weight ratio than typical steel alternatives • Prolonged service life by resisting corrosion and dampening vibration Glasforms™ Carbon Fiber Composites KEY REQUIREMENTS WHY AVIENT?

SAFETY EQUIPMENT MANUFACTURER R E S P I R A T O R A C C E S S O R Y P A R T S • Black color concentrate suitable for use in butyrate (PSU) • Low let down ratio (LDR) • Quick turnaround time • Offered compatibility with desired resin system in required color (Deep Black – OC9UFA) • Provided low usage rate of 1% LDR • Afforded immediate availability of sample for testing and ordering Omnicolor™ Multipurpose Colorants KEY REQUIREMENTS WHY AVIENT?

AUTOMOTIVE COMPONENTS MANUFACTURER O U T S I D E R E A R - V I E W M I R R O R G A S K E T • Black materials with hardness 60 and shore A • UV Stabilized • Overmouldable on to PP • ROHS Compliant • Customer specified material • Utilized global reach to translate customer approved solution from Europe to India • Reduced development time as material was already qualified in Europe • Reduced import/export costs • Enabled Indian business to specify Avient as a preferred supplier Custom GLS™ Thermoplastic Elastomer KEY REQUIREMENTS WHY AVIENT?

Deflection is dependent on support span distance. 3.50 4.50 p r in w * p r in w * Simply supported beam deflection for Hammerhead™ panels with 5.3 lb/ft3 core density 5.00 6.00 7.00 8.00 9.00 10.00 p r in w * p r in w * * To calculate deflection for different panel widths, use the following formula: Deflection = Chart value* [12 / panel width]. Example: Deflection for 24 inch panel = Chart value *[12 / 24] 5.00 6.00 7.00 8.00 9.00 10.00 p r in w * 3.50 4.50 p r in w * p r in w * 0.70 0.90 p r in w * Simply supported beam deflection for Hammerhead™ panels with 8.4 lb/in3 core density * To calculate deflection for different panel widths, use the following formula: Deflection = Chart value* [12 / panel width]. Example: Deflection for 24 inch panel = Chart value *[12 / 24] Fixed end beam deflection for Hammerhead™ panels with 8.4 lb/ft3 core density 1.40 p r i w * 0.05 0.15 0.25 0.35 p r in w * p r in w * 0.02 0.04 0.06 0.08 0.12 0.14 p r in w * * To calculate deflection for different panel widths, use the following formula: Deflection = Chart value* [12 / panel width].

Microsoft PowerPoint - AVNT Q3 2022 Earnings Presentation AVIENT CORPORATION T H I R D Q U A R T E R 2 0 2 2 R E S U L T S (NYSE: AVNT) N OV E M B E R 2 , 2 0 2 2 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. EBITDA Margins • Focus on organic growth combined with transformative and bolt-on acquisitions • Divested commodity businesses tied to more cyclical end markets • Expanded presence in high growth areas of sustainable solutions, specialty healthcare applications, composites and more resilient end markets 5.4% 11.5% 16.1% 2006 2018 2022PF $142 $408 $585 2006 2018 2022PF 2006 figures exclude joint venture results 14 RETURNING CASH TO SHAREHOLDERS Growing Dividend 0.1 0.1 0.2 0.5 0.6 0.7 0.8 0.9 0.9 1.0 1.0 1.0 11 12 13 14 15 16 17 18 19 20 21 22 0.16 0.20 0.26 0.34 0.42 0.50 0.58 0.72 0.79 0.81 0.85 0.95 0.99 11 12 13 14 15 16 17 18 19 20 21 22 23 ~$1Bn REPURCHASED OVER LAST 11 YEARS ~$550MM PAID OVER LAST 11 YEARS Dividends Share Repurchases Cumulative Buybacks $B n $ p e r sh ar e 2022 PRO FORMA ADJUSTED EPS Earnings Growth Expanding Profitability $0.15 $1.09 $2.08 $2.67 2009 2012 2015 2018 2022PF T H IR D Q UART ER 2022 RE S U LTS $110 $119 $0.61 $0.59 Q3 2022 PERFORMANCE (TOTAL COMPANY CONT. Sales EBITDA Specialty Engineered Materials Color Additives and Inks $585M$3,635M 23 C O L O R , A D D I T I V E S & I N K S 2022 REVENUE | $2 .3 B ILL ION US & Canada Latin America END MARKET REGION 24 33% Building & 1% Energy Figures represent 2022 full year estimates S P E C I A LT Y E N G I N E E R E D M AT E R I A L S 2022 PRO FORMA REVENUE | $1 .3 B ILL ION END MARKET US & Canada 50% REGION 25 Figures represent 2022 full year estimates 19% 8%Industrial 16% Building & 31% 28% 13% Building & 3% 2% Defense (20% of sales) 2022 PROFORMA AVIENT REGIONAL SALES BY END MARKET 29% 13% 17% Building & (35% of sales) 14% Building & 12% US & Canada (40% of sales) 49% Building & LATAM (5% of sales) 3%Telecommunications Figures represent 2022 full year estimates Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except for per share data) Senior management uses comparisons of adjusted net income from continuing operations attributable to Avient shareholders and diluted adjusted earnings per share (EPS) from continuing operations attributable to Avient shareholders, excluding special items, to assess performance and facilitate comparability of results.

© 2019, All Right Reserved Avient Corporation, 33587 Walker Road, Avon Lake, Ohio USA 44012 LED LIGHT MANUFACTURER H E A T E X C H A N G E R F O R A N E L E C T R O N I C C I R C U I T B O A R D • Looking to replace aluminum • Reduce corrosion • Light weighting • Eliminated the effects of corrosion • Provided a lightweight alternative to aluminium • Redesigned the part for easier processing and further weight reduction • Enabled the customer to take a new, innovative product in to the market Therma-Tech™ Thermally Conductive Formulation KEY REQUIREMENTS WHY AVIENT?

CABLE MANUFACTURER H I G H F L A M E R E T A R D A N T S H E A T H F O R R I S E R C A B L E S • Fire performance: CPR classification Dca s1 a1 d0 at a thickness of 350µm • Low shrinkage • Water, UV and chemical resistance • Low CoF • Reduced cable weight by decreasing the jacket thickness from 550µm to 350µm • Provided required CPR classification at a reduced thickness allowing installation in homes and buildings in between walls and floors • Increased cable lifetime due to improved chemical and UV resistance • Enabled fast cable processing ECCOH™ 5702 SEPAP Formulation KEY REQUIREMENTS WHY AVIENT?

CABLE MANUFACTURER F L A M E - R E T A R D A N T S H E A T H F O R R I S E R C A B L E S • Fire performance: CPR classification Dca s1 a1 d0 at a thickness of 350µm • Low shrinkage • Water, UV, and chemical resistance • Low coefficient of friction (CoF) • Reduced overall cable weight cable by reducing the jacket thickness from 550µm to 350µm • Increased the lifetime value of the cable by providing superior chemical and UV resistance • Provided low CoF on the inner layer, making the solution suitable for use with micro ducts as it’s easier to blow cables inside ECCOH LSFOH 5702 SEPAP Formulation KEY REQUIREMENTS WHY AVIENT?

DATA STORAGE UNIT MANUFACTURER D A T A S T O R A G E C A R R I E R • Excellent dimensional stability • Good mechanical properties with excellent wear resistance • Flame retardant requirement – FRv0 compliance • UL certification • Provided a customized formulation to meet application-specific lubricity, physical and thermal requirements • Delivered on short lead times to help customer manage working capital LubriOne™ CY1000-000/5T FR V0 BLK001 Formulation KEY REQUIREMENTS WHY AVIENT?

SCORPYD™ CROSSBOW I N T E G R A T E D R A I L A N D R I S E R • Reduce weight by replacing aluminum • Integrate bolt rail and riser for supporting limbs into unified assembly • Achieved a 40% weight reduction to improve handling and firing ease • Provided structural design services to create industry-first integrated rail and riser assembly • Conducted FEA performance analysis to confirm long carbon fiber reinforced composite met extreme requirements Complēt™ Long Carbon Fiber ETPU Composite KEY REQUIREMENTS WHY AVIENT?