Product ID FIBER-LINE® Coating Base Fiber Tensile Strength Load at 1% Elongation Absorption Capacity 2.3 mm FRP Swellcoat® Fiberglass ≥ 5115 N ≥ 2100 2.5 – 4.5 g/m .60 mm ARP N/A Kevlar® ≥ 340 N ≥ 165 N N/A 5.00 mm FRP N/A Fiberglass ≥ 24041 ≥ 9617 N/A .40 mm ARP N/A Kevlar® ≥ 210 N ≥ 95 N N/A .50 mm FRP Swellcoat® Fiberglass ≥ 300 N ≥ 130 ≤ 1.0 g/m POPULAR FRP ROD PRODUCTS LOCATIONS Headquarters, R&D, Manufacturing FIBER-LINE® LLC 3050 Campus Drive Hatfield, PA 19440 +1 215.997.9181 fiber@fiber-line.com Manufacturing Operations FIBER-LINE® LLC 280 Performance Drive SE Hickory, NC 28602 +1 828.326.8700 fiber@fiber-line.com EMEA & Asia Pacific Operations FIBER-LINE® INTERNATIONAL B.V.

IMPACT PROTECTION D E S I G N A N D M A T E R I A L S O L U T I O N S Avient Corporation 1 PROJECT KICK OFF B R I E F Application: Protective sports equipment Challenge: Provide functional material to protect against impact for chest protector Requirements: • Compact - reduce thickness and weight for improved comfort and functionality • Meet EN standards • EN1621-1 level 2 & EN1621-2 level 1 • Eliminate the use of foam and glue • Be waterproof and easy to clean • Sustainable • Easy to prototype & considers manufacturing efficiency Avient Corporation 2 VIBRATION DAMPING TECHNOLOGY (VDT) H O W D O E S I T W O R K ? Avient Corporation 3 Simplified Drop Test • 65g steel ball • Dropped from 305mm • Onto 3.175mm thickness flat samples Materials Tested • Standard TPE 30 Shore A • TPU alloy 60 Shore A • Damping TPE 32 Shore A VDT reduces bounce Avient Corporation 4 SIMULATION & CALIBRATION E N 1 6 2 1 - 1 L E V E L 2 Image courtesy of Airobag TV https://www.youtube.com/c/AirobagTV/videos Simulation of Impact A weight dropped onto protective element in contact with rigid substrate https://www.youtube.com/c/AirobagTV/videos Avient Corporation 5 SIMULATION & CALIBRATION E N 1 6 2 1 - 1 L E V E L 2 REFINING THE DESIGN D E S I G N A N D M A T E R I A L C O M B I N A T I O N Avient Corporation 6 • A number of different shapes and designs are created and simulated to determine which one works best • Refining to meet EN standard • VDT TPEs can help reach compliance with EN1621-1 level 2 and EN1621-2 level 1 • Optimum protection can be achieved by combining industrial design and engineering Avient Corporation 7 VALIDATION P R O T O T Y P I N G W I T H 3 D P R I N T I N G 3D Printing Validation -15% -10% -5% 0% 5% 10% Density Tensile Strength // Tear resistance // Rebound resilience 2mm 3D Printed VDT vs Injection Molded VDT can be 3D printed for concept evaluation early in the design process SUMMARY Avient Corporation 8 • Enabled a new, compact design with a customized VDT TPE formulation • Improved user comfort and functionality • Fulfilled EN standards • Reduced number of prototyping tools required • Reduced time spent in product development by 40 percent, enabling faster commercialization of product

COLLABO IO N INNOVATION X EL LE NCE CORE VALUES INTEG IT Y HONESTY R SP EC PERSONAL VALUES Historic Transformation PolyOne was established in 2000 through the consolidation of two historic companies in the materials industry.  Integration and Investment Operating Income ($ in millions) +165% $36 t n $96 Operating Margins +900 bps t n 20% Commercial Resources +40% 243 t n 340 Established Acquisitions (>7 years) 48 Sustainability Report | 2018 Invest to Grow Playbook Safety First! — Richard Fearon, Lead Director, PolyOne Corporation, Board of Directors 2020 2 0 % B Y 2 0 2 0 W E N O N B O A R D Sustainability Report | 2018 81 Environmental Data 82 Sustainability Report | 2018 Environmental Data* Category 2016 2017 2018 Change from 2016 Energy Total Energy (MWh) 756,838 817,877 863,614 14.1% Energy Intensity (MWh/MT Production) 1.26 1.10 1.11 -12.2% Percent Energy—Purchased Electricity (%) 41.31 Percent Energy—Natural Gas (%) 14.55 Percent Energy—Purchased Steam (%) 43.85 Percent Energy—Diesel Fuel (%) 0.28 Emissions Greenhouse Gas Emissions (MT Scope 1 & 2 CO2e) 254,995 275,811 288,436 13.1% Greenhouse Gas Emissions (MT Scope 1 CO2e) 21,211 21,546 23,439 10.5% Greenhouse Gas Emissions (MT Scope 2 CO2e) 233,784 254,265 264,997 13.4% Greenhouse Gas Emissions Intensity (MT Scope 1 & 2 CO2/ MT Produced) 0.43 0.37 0.37 -13.0% Reportable Releases (above permitted limits) 0 0 0 0.0% Waste Total Waste (MT) 18,449 19,037 18,465 0.1% Total Waste Intensity (Kg Waste/MT Production) 9.71 9.49 8.35 -14.1% Percent of Total Waste Recycled/ Beneficially Reused (%) 66.37 61.26 63.75 -3.9% Percent of Total Waste Landfilled (%) 31.52 37.17 34.53 9.5% Water Total Water Withdrawal (M m3) 1,316 1,609 1,505 14.4% Total Water Withdrawal Intensity (m3/MT Production) 2.18 2.15 2.01 -7.8% * Includes updated data as originally estimated in the 2018 Annual Report Sustainability Report | 2018 83 1.

ECCOH™ LOW SMOKE AND FUME, NON-HALOGEN FORMULATIONS PRODUCT SELECTION GUIDE ECCOH™ Low Smoke and Fume, Non-Halogen Solutions *Dry Silane abbreviated as DS **Cross-linked using Sioplas method 5549 UV Teck-90 5700 5801 UV 5865 5982 UV 6010 6151 6638 UV XLS 8001 APPLICATION Type Jacket Jacket Jacket Jacket Jacket Jacket Insulation Tight buffer, Micro-tube Jacket Jacket CABLE Type LV, Data LV LV, Data, OFC LV, Data, OFC Data, OFC LV, OFC LV OFC Data, OFC LV MARKETS Type B & C, Industrial Industrial, Teck-90 B & C, Industrial Industrial, Oil & Gas, Shipboard B & C B & C, Industrial Automotive B & C, Industrial B & C, Industrial B & C, Shipboard Cross-linked No No No Yes No No Yes No No Yes Cross-linking Method* N/A N/A N/A DS/E-beam N/A N/A DS/E-beam N/A N/A Sioplas GENERAL PROPERTIES Properties as Thermoset x x x SG g/cm³ 1.59 1.54 1.60 1.50 1.57 1.52 1.38 1.46 1.48 1.48 MFI, 150°C/21.6 Kg g/10 min 2.8 5 6 3.5 4 5.9 4.4 6 3 6 Hardness Shore D 44 54 50 46 50 54 56 53 53 49 Tensile psi 1740 2610 1595 1800 1740 2320 3336 2466 2030 2030 Elongation % 160% 200% 136% 133% 180% 150% 145% 160% 175% 160% LOI % 45% 36% 51% 39% 45% 41% 30% 33% 42% 33% Low temp brittleness (LTB) °C -26.5°C -49°C -10.5°C -30°C -39°C -38.5°C -41°C -35.5°C -26 -40.5 Max.

Clariant Revenue Synergies Avient Corporation 19 Avient Corporation 20 Customer Experience I N S P I R A T I O N . I N N O V A T I O N . C O - C R E A T I O N

Capron 8333GHI N/mm (lb/in) 60A-I 60A-II 75A-III 55A-IV 65A-V 50A-VI 70A-VII 260C/500F 3.7 / 21 N/A 3.2 / 18 No No No No 276C/530F 3.7 / 21 3.7 / 21 3.2 / 18 2.1 / 12 No No No 288C/550F N/A N/A N/A 2.5 / 14 2.5 / 14 No No Capron 8333GHIHS N/mm (lb/in) 60A-I 60A-II 75A-III 55A-IV 65A-IV 50A-VI 70A-VII 260C/500F 3.9 / 22 N/A 3.3 / 19 No No No No 276C/530F 3.5 / 20 N/A 3.3 / 19 No No No No 288C/550F N/A N/A N/A 2.5 / 14 2.6 / 15 No No Ultramid B3ZG6 N/mm (lb/in) 60A-I 60A-II 75A-III 55A-IV 65A-IV 50A-VI 70A-VII 260C/500F 3.0 / 17 3.3 / 19 3.2 / 18 No No No No 276C/530F 3.2 / 18 3.3 / 19 3.2 / 18 No No No No 288C/550F 3.3 / 19 N/A 3.0 / 17 2.1 / 12 2.1 / 12 No No Zytel 70G33L N/mm (lb/in) 60A-I 60A-II 75A-III 55A-IV 65A-IV 50A-VI 70A-VII 260C/500F 3.7 / 21 N/A 3.3 / 19 No No No No 276C/530F 3.7 / 21 3.7 / 21 3.3 / 19 2.3 / 13 No No No 288C/550F N/A N/A N/A 2.1 / 12 2.5 / 14 No No Zytel 408HS N/mm (lb/in) 60A-I 60A-II 75A-III 55A-IV 65A-IV 50A-VI 70A-VII 260C/500F 3.0 / 17 N/A 3.2 / 18 No No No No 276C/530F 3.2 / 18 4 / 23 3.0 / 17 No No No No 288C/550F N/A N/A N/A 2.5 / 14 2.5 / 14 No No Zytel 409AHS N/mm (lb/in) 60A-I 60A-II 75A-III 55A-IV 65A-IV 50A-VI 70A-VII 260C/500F 3.2 / 18 N/A 3.0 / 17 No No No No 276C/530F 3.3 / 19 4.2 / 24 2.8/ 16 No No No No 288C/550F N/A N/A N/A 2.1 / 12 2.1 / 12 No No Page 6 of 11 Table 4: Two-shot molding comparison TPE 60A-I 75A-III 55A-IV 65A-IV 50A-VI 70A-VII Barrel temp C/F 260/500 260/500 288/550 288/550 288/550 288/550 Peel Values N/mm or Pli Capron 8333GHI 4.2 / 24 3.5 / 20 3.3 / 19 3.0 / 17 2.3 / 13 3.0 / 17 Capron 8333GHIHS 4.0 / 23 3.9 / 22 2.8 / 16 3.0 / 17 2.3 / 13 3.2 / 18 Zytel 70G33L 4.2 / 24 3.3 / 19 2.8 / 16 3.3 / 18 1.9 / 11 3.3 / 19 Zytel 408AHS 4.0 / 23 4.0 / 23 3.5 / 20 3.7 / 21 1.9 / 11 3.9 / 22 Zytel 409AHS 4.2 / 24 4.0 / 23 3.2 / 18 3.3 / 19 1.6 / 9 3.3 / 19 Surface Energy (mN/m) 46 43 40 37 34 31 28 Engineering Plastics Polyamide 6,6 ABS Polycarbonate Acrylic Polystyrene Polypropylene Polyethylene Elastomers Coplyamide TPU Copolyester Styrenic-TPE TPV metallocenes Figure1. Page 8 of 11 fo N -I Capron 8333GHI Figure4. fo N Zytel 408HS Figure 7.

AVIENT CORPORATION I N V E S T O R P R E S E N T A T I O N (NYSE: AVNT) AU G U S T 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. Defense 6% END MARKET TRANSFORMATION TO LESS CYCLICAL INDUSTRIES (W ITH DY N EEM A , EX . Annual Purchases RAW MATERIAL AND SUPPLY CHAIN UPDATE Based on 2021 purchases, excludes Distribution business DYN E E MA ACQ U I S I T I O N 32 15x stronger than steel Reduces weight by 30% vs. other solutions Well-maintained global asset base poised to serve growing demand • Purchase price of $1.48B represents 11.4x multiple of 2022 EBITDA • Acquisition will expand Avient’s composites and fiber portfolio with Dyneema®, the World’s Strongest Fiber™ • $415M sales and 30%+ EBITDA margins; Immediately accretive to pro forma 2022 EPS, adding $0.35 • 1,300 patents globally, ~50% of sales patent protected • 1,000+ employees across global production network and dedicated technology centers • Composites platform will increase from $261M to $680M in revenue and from $49M to $180M in EBITDA Indicates Dyneema® location $175M (42%) $65M (16%) $175M (42%) 2022E Sales By Region ($M) (1) $0.35 EPS excludes intangible amortization (2) Based on 2022 expected results (1) (2) (2) FIT WITH FOUR PILLAR STRATEGY 33 Specialization • Innovation-led organization with tremendous intellectual property value in trademarks, patents and “know-how” • Deep history of application development and premium, leading brand with the World’s Strongest FiberTM Globalization • Global customer base with an established presence across all major geographic regions • Global technology centers complement existing Composites applications and expertise Operational Excellence • Best-in-class safety performance • Well-run and maintained asset base fit to serve future growth • Highly effective and reliable supply chain with emphasis on optimizing service to customers Commercial Excellence • Deep customer relationships extend across the value chain and drive ability to grow • Offer a full suite of services with an active role in design, development and commercialization People Experienced and talented associates with a passion for safety, specialization and winning DYNEEMA® OVERVIEW K E Y I N D U S T R I E S PERSONAL PROTECTION Military • Law Enforcement • First Responders Body Armor • Helmets • Vehicle Protection $215M MARINE & SUSTAINABLE INFRASTRUCTURE Towing / Mooring • Aquaculture • Floating Wind • Offshore Cranes $130M CONSUMER Consumer • Outdoor High Performance • Safety Equipment $70M 34 Figures reflect 2022 expected sales MIFOverview Competition Valuechain & Go-to-market Strategy Innovation Financials TECHNOLOGY 35 1,200 1,300 2,500 Avient Dyneema Combined Patents • True specialty business – the World’s Strongest Fiber™ • Deep history of application development with customers, strongest in the industry • The only UHMwPE (ultra-high molecular weight polyethylene) fiber producer that is backward integrated o Provides innovation advantage through control of all steps of the process • Complementary with our existing reinforced film expertise (PolyStrand) and engineered fiber presences (Fiber-Line) WINNING PROPERTIES Ultra high strength vs. weight Highly flexible Floats on water Chemically inert; no smell/taste and non-toxic High resistance to UV radiation Self-lubricating, with low friction One-of-a-kind technology ® FORMULATION PROCESS 36 • Like Avient, Dyneema® offers similar core competencies around formulation and material science • Technology that combines polymers and fibers to provide specialized, high performing solutions for customers • Design capabilities ensure that applications are highly customized for the specified end use DYNEEMA® IN THE VALUE CHAIN 37 UHMwPE Fiber / Tapes Military Personnel, Law Enforcement Heavy Marine, Offshore Wind Energy and Mooring, Aquaculture Outdoor, Footwear, Apparel, Inflatables • Material Science • Formulation • Service INTERMEDIATE MANUFACTURING (CUSTOMERS) OEM / APPLICATION DEMAND TRENDS 38 • Military spending and near-term demand for higher performing personal protection products (like Dyneema®) expected to increase o European NATO members annual defense spend expected to increase by up to 20%(1) o Japan aiming to almost double defense spending over the next 5 years(2) o Accelerated launch of next generation technology in North America • Policy-driven demand for sustainable energy; growth in floating offshore wind farms which require advanced, durable technology o Offshore wind expected to grow at a CAGR of 32% with the level of annual installations quadrupling over the next five years(3) • Continued investment in aquaculture as a sustainable food source(4) • Strong demand in outdoor high performance space across niche consumer applications aligns with 10% growth assumption for Avient’s Composites portfolio Sources: (1) “Funding NATO”, NATO.int (April 1, 2022) (2) “Japan Ruling Party Calls for Defense Spending Boost to 2% of GDP”, WSJ (April 21, 2022) (3) “Global Wind Report 2021”, Global Wind Energy Council (4) “Aquaculture Supports a Sustainable Earth”, NOAA Fisheries 39 A L I G N M E N T W I T H S U S T A I N A B I L I T Y G O A L S PRODUCTS AVIENT’S EXISTING COMPOSITES PORTFOLIO 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 LFT Tapes Laminates/Panels Shapes Pultrusion Engineered Fibers 40 AVIENT’S COMPOSITES PORTFOLIO SALES AND EBITDA 41 $74 $84 $216 $212 $261 $5 $10 $32 $41 $49 $180 0 50 100 150 200 $- $50 $100 $150 $200 $250 $300 $350 $400 $450 $500 $550 $600 $650 $700 $750 2017 2018 2019 2020 2021 2022E $680 • Dyneema® acquisition will further improve Composites EBITDA margins to 26% • Dyneema® will complement our existing portfolio with deep formulation expertise, innovative culture and global commercial presence • Composites will continue to be a key growth driver to deliver future revenue growth in excess of GDP (1) Pro forma for the acquisition of Dyneema® SEGMENT DATA U.S. & Canada 50% Latin America 2021 SEGMENT, END MARKET AND GEOGRAPHY GEOGRAPHY REVENUESEGMENT FINANCIALS 19% Building and END MARKET REVENUE (1) Total company sales and adjusted EBITDA of $4,819M and $581M, respectively, include intercompany sales eliminations and corporate costs $2,402M $409M $919M $164M $1,631M $94M Sales EBITDA Distribution Specialty Engineered Materials Color Additives and Inks $581M$4,819M 43 34% Building & 1% Telecommunications C O L O R , A D D I T I V E S & I N K S 2021 REVENUE | $2 .4 BILLION 32% 40% Latin America END MARKET REGION 44 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 27% Building & 2021 REVENUE | $919 MILLION END MARKET 55% REGION 45 D I S T R I BU T I O N 26% Building and 80% 3% Latin America END MARKET REGION K EY SU PPL IER S 2021 REVENUE | $1 .6 BILLION 46 TOTA L C O M PA N Y R E G I O N A L S A L E S BY END MARKET 30% 26%Healthcare 14% Building & 2% Energy (16% of sales) 32% Building & (25% of sales) 47 19% Building & US & Canada (50% of sales) 38% 33% Building & LATAM (9% of sales) 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.

C O N S U ME R PAC K AG E D G O O D S C O M PA NY S H A M P O O & C O N D I T I O N E R B O T T L E S A N D C A P S • Achieve a precise color match while ensuring a high amount of post-consumer recycled content (PCR) in the inner layer of the bottle • Reduce development time for quicker approvals and lower costs, and to enable rapid speed to market • Used proprietary Color Prediction Tool to digitally illustrate color possibilities while developing a customized PCR solution • Leveraged Avient’s ColorWorks Design & Technology Center to adjust colors according to the customer’s specifications and accelerate commercialization Smartbatch Combination Colorants & Additives KEY REQUIREMENTS WHY AVIENT?

OFC TECHNOLOGY LEADER M I C R O B U N D L E S I N B L O W I N G A P P L I C A T I O N F O R R A I L W A Y S • Strippable with fingers for easy installation/access to fibers • High speed processing at a low wall thickness • Low shrinkage • Resistance to chemicals and filling compounds • Meet XP C93-850-1-1 standard • Re-designed cable to provide advantageous functional and economical value • Improved flexibility compared to PBT and PP tubes, allowing longer blowing distances on paths with angles of 90° • Increased processing speed and improved ease of installation • Provided better cable lifetime value compared to alternative solutions ECCOH™ 6151 UV SEPAP Formulation KEY REQUIREMENTS WHY AVIENT?

C A S T A N D B L O W N F I L M LEADING PACKAGING FILM SUPPLIER • Improve quality, limiting melt fracture and die built up • Increase productivity, reducing cleaning frequency • More sustainable manufacturing process • Regulatory compliance HIFORMER™ Liquid Polymer Processing Aid AVIENT SOLUTION • Increased processing efficiency and overall productivity with low let down ratio • Delivered significant improvement in melt fracture and die build up • Sustainability benefits provided, including possibility for longer production runs, reduced energy consumption and less waste WHY AVIENT K E Y RE Q U I RE M E N T S P R O D U C T I V I T Y + S U S TA I N A B I L I T Y LEARN MORE