W I R E L E S S P OW E R BA N K M A N U FAC T U R E R W I R E L E S S P O W E R B A N K • Excellent overmolding to PC/ABS • Good stain resistance and UV resistance • Easy processing • Silky Feel • Developed a customized TPE that exhibited better bonding and UV performance than the competition, and met all specification requirements • Supplied a pre-colored formulation to simplify processing and achieve desired look and feel Customized Versaflex™ CE 3120-65 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?

F L E X IB L E PA C K AG I N G M A N U FAC T U R E R F L E X I B L E P O U L T R Y P A C K A G I N G • Provide low friction resistance for multilayer film structures with external polyamides • Prevent self-adhesion of plastic films • Enhance the end-use appearance • Provided additives that result in a lower coefficient of friction for packaging end products • Enhanced the appearance of packaging surfaces by creating a smoother finish • Offered expertise in additives for polyamides in flexible packaging and assistance in achieving regulatory approval Cesa Anti-Block Additives and Cesa Slip Additives KEY REQUIREMENTS WHY AVIENT?

AFNOR M 2 in France, DIN 4102 B 2–B 1 in Germany, UNI 8457–9174 C 1 in Italy, BKZ 5.2 in Switzerland, BS 5852.1990 CRIB 3–5 in UK)** • Standard portfolio available for PP injection molded applications APPLICATION BULLETIN * Laboratory weathering testing may not be determinative of all conditions of use; the end user must determine suitability of a product for its intended use ** Contact us for more information on regulatory compliance Copyright © 2022, Avient Corporation.

& Canada EMEA Asia Latin America 64% 36% Specialty Engineered Materials Color Additives and Inks 41% 36% 18% 5% 7% 7% 23% 19% 9% 16% 10% 5% 4% Defense Healthcare Packaging Consumer Building & Construction Industrial Transportation Energy Telecom Geography Segment Industry 2024 Financial Guidance $515 to $540 million Adjusted EBITDA $2.55 to $2.70 Adjusted EPS 4 Industry Sustainability Standards ESG Ratings Performance 1 2 4 87th 94th percentile Avient CDP Score: A- SUSTAINABILITY PERFORMANCE AND RECOGNITION A U G U S T 6 , 2 0 2 4 W E B C A S T P R E S E N TA T I O N 6 Q2 2024 HIGHLIGHTS • 5% organic sales growth supported by broad-based growth across all regions in both CAI and SEM segments • Growth stemmed from gaining share, winning new product specifications and restocking in certain end markets • Cost control and operational discipline expanded EBITDA margins by 100 bps • EPS exceeded guidance by $0.05 and increased 21% vs the prior year Adj. Q2 2023 ( T O TA L C O M PA N Y ) $824 $850 Q2 23 Q2 24 $131 $143 Q2 23 Q2 24 Sales Adjusted EBITDA (in millions) $0.63 $0.76 Q2 23 Q2 24 (in millions) Adjusted EBITDA Adjusted EPS 8 + 3% (+5% excluding FX) + 9% (+12% excluding FX) + 21% (+25% excluding FX) Sales 9 Q2 2 024 RESULTS – ORGA NI C SA LES BY REGION VS PY 9 US & Canada Latin America EMEA Asia +5% +4% +1% +19% Avient ex. FX +4.6% FX -1.5% Total Avient +3.1% Note: Regional Sales Percentages exclude impact of foreign exchange Q2 2024 SEGMENT PERFORMANCE ( C O L O R , A D D I T I V E S & I N K S ) $525 $542 Q2 23 Q2 24 $94 $108 Q2 23 Q2 24 19.9% Sales Adjusted EBITDA (in millions) (in millions) Sales Adjusted EBITDA 10 17.9% +200 bps * * * Adjusted EBITDA Margin % • Organic sales growth in all regions led by Americas • Raw material deflation combined with cost reduction actions drove EBITDA margin expansion + 3% (+5% excluding FX) + 15% (+17% excluding FX) Q2 2024 SEGMENT PERFORMANCE ( 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 ) $301 $308 Q2 23 Q2 24 $60 $64 Q2 23 Q2 24 20.6% Sales Adjusted EBITDA (in millions) (in millions) Sales Adjusted EBITDA 11 19.8% +80 bps * * * Adjusted EBITDA Margin % • Sales growth in consumer, healthcare and building & construction end markets offset by weaker demand in telecommunications • EBITDA margin expansion driven by positive end market mix as well as raw material deflation + 2% (+4% excluding FX) + 7% (+8% excluding FX) 2 0 2 4 G U I D A N C E FY 20 24 GUIDA NC E Previous (May 7) Current Adjusted EBITDA $510 to $535 million $515 to $540 million Adjusted EPS $2.50 to $2.65 $2.55 to $2.70 Interest Expense $105 million $105 million Adjusted Effective Tax Rate 23% to 25% 23% to 25% Capital Expenditures ~$140 million ~$140 million 13 Q3 2024: Adjusted EPS of $0.62 14 Highlights • Provides performance updates on 2030 Sustainability Goals • Reduced company’s Scope 1 & 2 GHG emissions by 48% since 2019 • Highlights ESG performance ratings, certifications, and awards, including recent upgrades by Ecovadis to Gold and CDP to A- • Reflects Great Place to Work® culture focused on health, safety and employee engagement 20 23 SUSTAI NA BILI TY REPORT 14 Sustainability for a Better Tomorrow 2023 SUSTAINABILITY REPORT 15 • Investor Day to be held December 4, 2024 in New York, NY • The focus will be to do a deep dive on the Company’s strategy • Further details to be communicated 20 24 AVI ENT INVESTOR DAY A P P E N D I X 18 Performance Additives 15% Pigments 13% TiO2 9% Dyestuffs 2% Polyethylene 10%Nylon 5% Polypropylene 4% Styrenic Block Copolymer 4% Other Raw Materials 38% ~40% hydrocarbon based (Grey shaded materials are hydrocarbon based, includes portion of “Other Raw Materials”) Non-hydrocarbon based materials RA W MATERI AL BA SKET SEGMENT DATA U.S. & Canada 41% EMEA 36% Asia 18% Latin America 5% 2023 SEGMENT, END MARKET AND GEOGRAPHY GEOGRAPHY REVENUESEGMENT FINANCIALS Consumer 19% Packaging 23%Industrial 16% Building and Construction 9% Telecommunications 4% Energy 5% Defense 7% END MARKET REVENUE $2,007M $358M $1,138M $224M Sales EBITDA Specialty Engineered Materials Color Additives and Inks $502M$3,143M (1) Transportation 10% Healthcare 7% 20 (1) Total company sales and adjusted EBITDA of $3,143M and $502M, respectively, include intercompany sales eliminations and corporate costs 2 0 2 3 R E V E N U E | $ 2 . 0 B I L L I O N US & Canada 34% EMEA 37% Asia 21% Latin America 8% END MARKET REGION 21 Packaging 34% Consumer 21% Healthcare 8% Industrial 15% Transportation 9% Building & Construction 10% Telecommunications 1% Energy 2% COLOR , AD DI TI VES & INKS 2 0 2 3 R E V E N U E | $ 1 . 1 B I L L I O N US & Canada 52% EMEA 35% Asia 13% 22 Packaging 5% Consumer 16% Healthcare 6%Industrial 16% Transportation 12% Telecommunications 9% Energy 10% Defense 18% Building & Construction 8% END MARKET REGION SPEC IA LTY ENGI NEER ED MATERI ALS Packaging 32% Consumer 26% Healthcare 9% Industrial 13% Building & Construction 6% Telecommunications 2% Energy 2% Defense 1% Asia (18% of sales) Transportation 9% 2 0 2 3 AV I E N T R E G I O N A L S A L E S Packaging 25% Consumer 13% Healthcare 5% Industrial 18% Building & Construction 9% Energy 5% Defense 8% EMEA (36% of sales)Transportation 13% Packaging 13% Consumer 22% Healthcare 10% Industrial 16% Building & Construction 12% Energy 6% Defense 8% US & Canada (41% of sales) Transportation 9% Packaging 59% Consumer 22% Healthcare 2% Industrial 8% Building & Construction 4% LATAM (5% of sales) Transportation 5% Telecommunications 4% Telecommunications 4% 23 B Y E N D M A R K E T 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.

Shots Composite Panel Nominal Thickness Nominal Weight Level 1 9mm full metal copper jacket with lead core 1175 ft/sec 358 m/sec 3 GlasArmor Level 1 0.256 in 6.5 mm 2.7 lb/ft2 13.2 kg/m2 Level 2 Level II-A .357 magnum jacketed lead soft point 1250 ft/sec 381 m/sec 3 GlasArmor Level 2 0.384 in 9.8 mm 4.0 lb/ft2 19.5 kg/m2 Level 3 Level III-A .44 magnum lead semi-wadcutter gas checked 1350 ft/sec 411 m/sec 3 GlasArmor Level 3 0.500 in 12.7 mm 5.1 lb/ft2 24.9 kg/m2 ThermoBallistic Level 3 0.440 in 11.2 mm 3.9 lb/ft2 19.0 kg/m2 Level 4 .30 cal. rifle lead core 2450 ft/sec 747 m/sec 1 Customized solutions are available. Level 5 7.62mm rifle lead core full metal copper jacket, military ball 2750 ft/sec 838 m/sec 1 Level 6 Level II 9mm full metal jacket with lead core 1400 ft/sec 427 m/sec 5 Level 7 5.56mm rifle full metal copper jacket with lead core 3080 ft/sec 939 m/sec 5 Level 8 Level III 7.62mm rifle lead core full metal copper jacket, military ball 2750 ft/sec 838 m/sec 5 Width Length Thickness Color LEVEL 1 GlasArmor Panels 36 in/91 cm 96 in/244 cm 0.256 in/6.5 mm Natural 36 in/91 cm 120 in/305 cm 48 in/122 cm 96 in/244 cm 48 in/122 cm 108 in/274 cm 48 in/122 cm 120 in/305 cm LEVEL 2 GlasArmor Panels 36 in/91 cm 96 in/244 cm 0.384 in/9.8 mm Natural 36 in/91 cm 120 in/305 cm 48 in/122 cm 96 in/244 cm 48 in/122 cm 108 in/274 cm 48 in/122 cm 120 in/305 cm LEVEL 3 GlasArmor Panels 36 in/91 cm 96 in/244 cm 0.500 in/12.7 mm Natural 36 in/91 cm 120 in/305 cm Natural 48 in/122 cm 96 in/244 cm Natural, Grey, White, Tan 48 in/122 cm 108 in/274 cm Natural, Grey 48 in/122 cm 120 in/305 cm Natural, Grey, White ThermoBallistic Panels 24 in/61 cm 96 in/244 cm 0.44 in/11.2 mm White, Grey, Blue 24 in/61 cm 144 in/366 cm 48 in/122 cm 96 in/244 cm 48 in/122 cm 144 in/366 cm BALLISTIC PANEL SELECTION GUIDE Customized panel sizes and colors available. Property GlasArmor Panel ThermoBallistic Panel Test Method Glass Content 55 wt% 73 wt% Density 0.066 lb/in3 1.83 g/cm3 0.062 lb/in3 1.72 g/cm3 ASTM D-792 Flex Mod 2.1–2.7 msi 14.5 - 18.6 GPa 2.5 msi 17.2 GPa ASTM D-790 Flex Strength 65 ksi 448 MPa 14 ksi 96.5 MPa ASTM D-790 Barcol Hardness 50–60 n/a ASTM D-2583 Fire Rating 1 hour1 n/a ASTM E-119-09c Flame Spread Rating 452 n/a ASTM E-84-08a Smoke Developed Rating 1652 n/a ASTM E-84-08a MATERIAL DATA (TYPICAL VALUES) 1 UL Level 3 panel was fire tested as part of a wall system with steel studs and drywall face sheet 2 NFPA & IBC Class B rating achieved www.avient.com Copyright © 2023, Avient Corporation.

For this reason, Lactra SX was recently awarded the China Sustainable Packaging Award 2017 from M. Robert M.

M&A technology integration lead, program director of lean innovation, and global technology director for Specialty Engineered Materials. Robert M.

This is a compelling acquisition that highlights our approach to M&A,” said Robert M.