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. Global Compact & fulfilled Communication of Progress (COP) requirements • New Sustainability Strategy overview page including our 2022 AIP ESG metrics • New ESG Performance page with ESG ratings, awards, and certifications • Increased disclosures on carbon emissions, including disclosure of Climate Change Scenario Analysis • Added new Product Stewardship and Chemical Management policies • Enhanced data reporting for Workforce Demographics • Improved social disclosures on human rights, dependent care and special leave and strategic training management 2021 SUSTAINABILITY REPORT Launching integrated sustainability website in parallel with report Aligned with leading reporting frameworks 13 ESG PERFORMANCE & AWARDS 14 16th ENVIRONMENTAL SOCIAL GOVERNANCE 1 (as of 6/30/22) 2022 O U T LO O K $429 $490 $3.05 $3.50 FY 2022 GUIDANCE (TOTAL COMPANY: CURRENT PORTFOLIO) 16 Sales Adjusted Operating Income $4,819 $5,100 + 6% Adjusted EPS + 14% + 15% (in millions) (in millions) (+ 9% excluding FX) (+ 18% excluding FX) (+ 20% excluding FX) 17 CASH FLOW / LEVERAGE ($ millions) 2022E Cash Flow from Operating Activities 400$ Less: Run-Rate CapEx (90) CapEx for Clariant Integration (10) CapEx for IT System Upgrade (15) Total CapEx (115) Free Cash Flow 285$ Adjusted EBITDA 635$ Net Debt / Adjusted EBITDA 1.6x 18 DYNEEMA / DISTRIBUTION UPDATES • Strong performance so far in 2022 in-line with our modeling • Acquisition to be finalized as early as September 1, pending standard regulatory process and closing conditions • Encouraging interest thus far from potential buyers for world-class business with a strong track record • Second round bids due in August DISTRIBUTION 19 PRO FORMA MODELING UPDATE 2022E ($M) Revenue 5,100$ 415$ 5,515$ (1,635)$ 3,880$ Adjusted EBITDA 635 130 765 (109) 656 EBITDA % 12% 31% 14% 7% 17% Adj. 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.

Trilliant™ HC 8900 Series Thermoplastics CORE™ VBX Series Vinyl Powder Slush Formulations

PVC EDGE BANDING MANUFACTURER E X T R U S I O N S H E E T & S T R A P • Meet the diverse coefficient of friction (CoF) requirements across various film structures and compositions for a wide range of • Improve the speed of slip blooming and ensure consistent slip performance post-film production • Preserve excellent optical and mechanical properties • Compliance with food regulations for end packaging in food sealant applications • Achieved the optimal flowability of liquid white and liquid orange, ensuring consistent color through suitable mixing with other colorants • Ensured lot-to-lot consistency with DE value of less than 0.5 • Supported customers in achieving stable and high-quality coloration during their PVC processing ColorMatrix Liquid Color Concentrates KEY REQUIREMENT WHY AVIENT AVIENT SOLUTION FUNCTIONALITY + COMPLIANCE Avient Corporation 1 • Meet the diverse coefficient of friction (CoF) requirements across various film structures and compositions for a wide range of • Improve the speed of slip blooming and ensure consistent slip performance post-film production • Preserve excellent optical and mechanical properties • Compliance with food regulations for end packaging in food sealant applications KEY REQUIREMENT • Standard colorant for internal color matching in PVC sheet • Manufactured with phthalate-free plasticizer • Good thermal stability and compatibility with PVC resin for a wide rang of color index choices • Compliance with heavy metal-free and RoHS regulations LIQUID COLOR CONCENTRATES AND DOSING | AVIENTLEARN MORE KEY REQUIREMENTS Copyright © 2025, Avient Corporation.

Microsoft PowerPoint - Avient Discontinued Operations Financial Information AVIENT CORPORATION R E C A S T F I N A N C I A L I N F O R M A T I O N T O R E F L E C T D I S T R I B U T I O N A S A D I S C O N T I N U E D O P E R A T I O N (NYSE: AVNT) S E P T E M B E R 2 7 , 2 0 2 2 TABLE OF CONTENTS Avient Corporation 2 Slide 3 - GAAP Income Statement Recast for Avient Distribution as a Discontinued Operation Reflects US GAAP (GAAP) Income Statements recast for Avient Distribution as a discontinued operation. G A A P I N C O M E S TAT E M E N T R E C A S T F O R A V I E N T D I S T R I B U T I O N A S A D I S C O N T I N U E D O P E R AT I O N Avient Corporation 3 Q1 2021 Q2 2021 Q3 2021 Q4 2021 2021 YTD Q1 2022 Q2 2022 YTD 2022 Sales 826.0$ 864.5$ 818.0$ 807.1$ 3,315.6$ 892.2$ 891.0$ 1,783.2$ Cost of sales 562.9 615.9 602.4 590.5 2,371.7 637.8 630.1 1,267.9 Gross margin 263.1 248.6 215.6 216.6 943.9 254.4 260.9 515.3 Selling and administrative 168.7 166.2 162.8 166.4 664.1 152.2 160.8 313.0 Operating income 94.4 82.4 52.8 50.2 279.8 102.2 100.1 202.3 Interest expense, net (19.3) (19.5) (19.0) (17.5) (75.3) (16.9) (16.2) (33.1) Other income (expense), net 1.6 1.1 1.6 (5.3) (1.0) (0.6) 1.6 1.0 Income before income taxes 76.7 64.0 35.4 27.4 203.5 84.7 85.5 170.2 Income tax (expense) benefit (16.3) (13.8) (2.0) (16.2) (48.3) (20.0) (22.7) (42.7) Net income from continuing operations 60.4 50.2 33.4 11.2 155.2 64.7 62.8 127.5 Net income from discontinued operations, net of income taxes 19.3 19.2 19.2 17.7 75.4 19.8 21.9 41.7 Net income 79.7 69.4 52.6 28.9 230.6 84.5 84.7 169.2 Net (income) loss attributable to noncontrolling interests (0.4) (0.6) 0.3 0.9 0.2 (0.3) - (0.3) Net income attributable to Avient common shareholders 79.3$ 68.8$ 52.9$ 29.8$ 230.8$ 84.2$ 84.7$ 168.9$ Earnings per share attributable to Avient common shareholders - Basic Continuing operations 0.66$ 0.54$ 0.37$ 0.13$ 1.70$ 0.70$ 0.69$ 1.39$ Discontinued operations 0.21$ 0.21$ 0.21$ 0.20$ 0.83$ 0.22$ 0.24$ 0.46$ Total 0.87$ 0.75$ 0.58$ 0.33$ 2.53$ 0.92$ 0.93$ 1.85$ Earnings per share attributable to Avient common shareholders - Diluted Continuing operations 0.65$ 0.54$ 0.37$ 0.13$ 1.69$ 0.70$ 0.68$ 1.38$ Discontinued operations 0.21$ 0.20$ 0.20$ 0.19$ 0.82$ 0.21$ 0.24$ 0.45$ Total 0.86$ 0.74$ 0.57$ 0.32$ 2.51$ 0.91$ 0.92$ 1.83$ A D J U S T E D F I N A N C I A L I N F O R M AT I O N R E C A S T F O R A V I E N T D I S T R I B U T I O N A S A D I S C O N T I N U E D O P E R AT I O N Avient Corporation 4 Q1 2021 Q2 2021 Q3 2021 Q4 2021 2021 YTD Q1 2022 Q2 2022 YTD 2022 Sales 826.0$ 864.5$ 818.0$ 807.1$ 3,315.6$ 892.2$ 891.0$ 1,783.2$ Cost of sales 565.1 603.3 585.1 584.6 2,338.1 632.0 632.1 1,264.1 Gross margin 260.9 261.2 232.9 222.5 977.5 260.2 258.9 519.1 Selling and administrative 164.1 164.6 160.1 161.1 649.9 151.3 157.0 308.3 Operating income 96.8 96.6 72.8 61.4 327.6 108.9 101.9 210.8 Interest expense, net (19.3) (19.5) (19.0) (17.5) (75.3) (16.9) (16.2) (33.1) Other income (expense), net 1.6 1.1 1.5 4.1 8.3 (0.7) 0.7 0.0 Income before income taxes 79.1 78.2 55.3 48.0 260.6 91.3 86.4 177.7 Income tax expense (16.1) (16.3) (10.2) (12.8) (55.4) (20.2) (20.4) (40.6) Net income from continuing operations 63.0 61.9 45.1 35.2 205.2 71.1 66.0 137.1 Net (income) loss attributable to noncontrolling interests (0.4) (0.6) 0.3 0.9 0.2 (0.3) - (0.3) Adjusted Net income attributable to Avient common shareholders - continuing operations 62.6$ 61.3$ 45.4$ 36.1$ 205.4$ 70.8$ 66.0$ 136.8$ Adjusted earnings per share attributable to Avient common shareholders - Diluted 0.68$ 0.66$ 0.49$ 0.39$ 2.23$ 0.77$ 0.72$ 1.48$ Weighted average diluted Shares 92.2 92.4 92.2 92.4 92.1 92.3 92.1 92.2 S E G M E N T D ATA R E C A S T F O R AV I E N T D I S T R I B U T I O N A S A D I S C O N T I N U E D O P E R AT I O N Avient Corporation 5 Q1 2021 Q2 2021 Q3 2021 Q4 2021 2021 YTD Q1 2022 Q2 2022 2022 YTD Sales: Color, Additives and Inks 609.3$ 624.4$ 586.6$ 581.3$ 2,401.6$ 649.5$ 649.1$ 1,298.6$ Specialty Engineered Materials 214.7 238.9 231.7 226.3 911.6 243.1 242.3 485.4 Corporate and Eliminations 2.0 1.2 (0.3) (0.5) 2.4 (0.4) (0.4) (0.8) Sales 826.0 864.5 818.0 807.1 3,315.6 892.2 891.0 1,783.2 Gross Margin: Color, Additives and Inks 197.5$ 193.4$ 172.1$ 164.5$ 727.5$ 192.1$ 193.4$ 385.5$ Specialty Engineered Materials 63.1 68.1 61.4 58.3 250.9 68.4 66.0 134.4 Corporate and Eliminations 2.5 (12.9) (17.9) (6.2) (34.5) (6.1) 1.5 (4.6) Gross Margin 263.1 248.6 215.6 216.6 943.9 254.4 260.9 515.3 Selling and Administrative Expense: Color, Additives and Inks 108.7$ 107.1$ 105.3$ 103.3$ 424.4$ 97.6$ 99.8$ 197.4$ Specialty Engineered Materials 30.5 32.3 31.4 31.2 125.4 30.1 30.8 60.9 Corporate and Eliminations 29.5 26.8 26.1 31.9 114.3 24.5 30.2 54.7 Selling and Administrative Expense 168.7 166.2 162.8 166.4 664.1 152.2 160.8 313.0 Operating Income: Color, Additives and Inks 88.8$ 86.3$ 66.8$ 61.2$ 303.1$ 94.5$ 93.6$ 188.1$ Specialty Engineered Materials 32.6 35.8 30.0 27.1 125.5 38.3 35.2 73.5 Corporate and Eliminations (27.0) (39.7) (44.0) (38.1) (148.8) (30.6) (28.7) (59.3) Operating Income 94.4 82.4 52.8 50.2 279.8 102.2 100.1 202.3 Earnings Before Interest, Taxes, Depreciation and Amortization (EBITDA): Color, Additives and Inks 116.2$ 111.6$ 93.4$ 87.6$ 408.8$ 120.5$ 119.5$ 240.0$ Specialty Engineered Materials 40.4 43.9 37.9 35.1 157.3 46.1 42.9 89.0 Corporate and Eliminations (25.3) (39.5) (41.9) (34.6) (141.3) (26.8) (26.0) (52.8) Other income (expense) 1.6 1.1 1.6 (5.3) (1.0) (0.6) 1.6 1.0 EBITDA 132.9 117.1 91.0 82.8 423.8 139.2 138.0 277.2 N O N - G A A P R E C O N C I L I AT I O N S F O R R E C A S T H I S T O R I C A L R E S U LT S Avient Corporation 6 Special Adjusted Special Adjusted Special Adjusted Special Adjusted Special Adjusted Sales $ 826.0 $ - $ 826.0 $ 864.5 $ - $ 864.5 $ 818.0 $ - $ 818.0 $ 807.1 $ - $ 807.1 $ 3,315.6 $ - $ 3,315.6 Gross margin 263.1 (2.2) 260.9 248.6 12.6 261.2 215.6 17.3 232.9 216.6 5.9 222.5 943.9 33.6 977.5 Selling and administrative expense 168.7 (4.6) 164.1 166.2 (1.6) 164.6 162.8 (2.7) 160.1 166.4 (5.3) 161.1 664.1 (14.2) 649.9 Operating income 94.4 2.4 96.8 82.4 14.2 96.6 52.8 20.0 72.8 50.2 11.2 61.4 279.8 47.8 327.6 Interest expense, net (19.3) - (19.3) (19.5) - (19.5) (19.0) - (19.0) (17.5) - (17.5) (75.3) - (75.3) Other income (expense), net 1.6 - 1.6 1.1 - 1.1 1.6 (0.1) 1.5 (5.3) 9.4 4.1 (1.0) 9.3 8.3 Income taxes (16.3) 0.2 (16.1) (13.8) (2.5) (16.3) (2.0) (8.2) (10.2) (16.2) 3.4 (12.8) (48.3) (7.1) (55.4) Net income (loss) attributable to noncontrolling interests (0.4) - (0.4) (0.6) - (0.6) 0.3 - 0.3 0.9 - 0.9 0.2 - 0.2 Net income from continuing operations attributable to Avient shareholders $ 60.0 $ 2.6 $ 62.6 $ 49.6 $ 11.7 $ 61.3 $ 33.7 $ 11.7 $ 45.4 $ 12.1 $ 24.0 $ 36.1 $ 155.4 $ 50.0 $ 205.4 Net income / EPS $ 0.65 0.03 $ 0.68 $ 0.54 0.13 $ 0.66 $ 0.37 0.13 $ 0.49 $ 0.13 $ 0.26 $ 0.39 $ 1.69 0.54 $ 2.23 Weighted-average diluted shares 92.2 92.2 92.2 92.4 92.4 92.4 92.2 92.2 92.2 92.4 92.4 92.4 92.1 92.1 92.1 Three Months Ended December 31, 2021 Year Ended December 31, 2021 Three Months Ended March 31, 2021 Three Months Ended June 30, 2021 Three Months Ended September 30, 2021 N O N - G A A P R E C O N C I L I AT I O N S F O R R E C A S T H I S T O R I C A L R E S U LT S Avient Corporation 7 Special Adjusted Special Adjusted Special Adjusted Sales $ 892.2 $ - $ 892.2 $ 891.0 $ - $ 891.0 $ 1,783.2 $ - $ 1,783.2 Gross margin 254.4 5.8 260.2 260.9 (2.0) 258.9 515.3 3.8 519.1 Selling and administrative expense 152.2 (0.9) 151.3 160.8 (3.8) 157.0 313.0 (4.7) 308.3 Operating income 102.2 6.7 108.9 100.1 1.8 101.9 202.3 8.5 210.8 Interest expense, net (16.9) - (16.9) (16.2) - (16.2) (33.1) - (33.1) Other (expense) income, net (0.6) (0.1) (0.7) 1.6 (0.9) 0.7 1.0 (1.0) 0.0 Income taxes (20.0) (0.2) (20.2) (22.7) 2.3 (20.4) (42.7) 2.1 (40.6) Net income attributable to noncontrolling interests (0.3) - (0.3) - - - (0.3) - (0.3) Net income from continuing operations attributable to Avient shareholders $ 64.4 $ 6.4 $ 70.8 $ 62.8 $ 3.2 $ 66.0 $ 127.2 $ 9.6 $ 136.8 Net income / EPS $ 0.70 0.07 $ 0.77 $ 0.68 0.03 $ 0.72 $ 1.38 0.10 1.48 Weighted-average diluted shares 92.3 92.3 92.3 92.1 92.1 92.1 92.2 92.2 92.2 Three Months Ended March 31, 2022 Three Months Ended June 30, 2022 Six Months Ended June 30, 2022 N O N - G A A P R E C O N C I L I AT I O N S F O R R E C A S T A D J U S T E D E B I T D A Avient Corporation 8 EBITDA Reconciliation Q1 2021 Q2 2021 Q3 2021 Q4 2021 YTD 2021 Q1 2022 Q2 2022 YTD 2022 Net income from continuing operations – GAAP 60.4$ 50.2$ 33.4$ 11.2$ 155.2$ 64.7$ 62.8$ 127.5$ Income tax expense 16.3 13.8 2.0 16.2 48.3 20.0 22.7 42.7 Interest expense, net 19.3 19.5 19.0 17.5 75.3 16.9 16.2 33.1 Depreciation and amortization from continuing operations 36.9 33.6 36.6 37.9 145.0 37.6 36.3 73.9 EBITDA 132.9 117.1 91.0 82.8 423.8 139.2 138.0 277.2 Special items, before tax 2.4 14.2 19.9 20.6 57.1 6.6 0.9 7.5 Depreciation and amortization included in special items (0.6) 1.4 (0.9) (1.6) (1.7) (2.1) (1.1) (3.2) Adjusted EBITDA 134.7$ 132.7$ 110.0$ 101.8$ 479.2$ 143.7$ 137.8$ 281.5$ S U M M A R Y O F S P E C I A L I T E M S Avient Corporation 9 Q1 2021 Q2 2021 Q3 2021 Q4 2021 2021 YTD Q1 2022 Q2 2022 2022 YTD Cost of sales: Restructuring costs, including accelerated depreciation (1.8)$ (1.5)$ (5.3)$ (6.0)$ (14.6)$ (4.4)$ (2.6)$ (7.0)$ Environmental remediation costs (0.5) (12.5) (9.4) (0.5) (22.9) (2.0) (3.0) (5.0) Reimbursement of previously incurred environmental costs 4.5 - - - 4.5 0.6 7.6 8.2 Acquisition related adjustments - 1.4 (2.6) 0.6 (0.6) - - - Impact on cost of sales 2.2 (12.6) (17.3) (5.9) (33.6) (5.8) 2.0 (3.8) Selling and administrative expense: Restructuring, legal and other (1.3) (1.4) - (4.2) (6.9) 2.0 (1.7) 0.3 Acquisition/divestiture related costs (3.3) (0.2) (2.7) (1.1) (7.3) (2.9) (2.1) (5.0) Impact on selling and administrative expense (4.6) (1.6) (2.7) (5.3) (14.2) (0.9) (3.8) (4.7) Impact on operating income (2.4) (14.2) (20.0) (11.2) (47.8) (6.7) (1.8) (8.5) Other income, net - - 0.1 (9.4) (9.3) 0.1 0.9 1.0 Impact on income before income taxes (2.4) (14.2) (19.9) (20.6) (57.1) (6.6) (0.9) (7.5) Income tax benefit on above special items 0.9 3.4 4.6 4.1 13.0 1.7 0.2 1.9 Tax adjustments (1.1) (0.9) 3.6 (7.5) (5.9) (1.5) (2.5) (4.0) Impact of special items on net income (2.6)$ (11.7)$ (11.7)$ (24.0)$ (50.0)$ (6.4)$ (3.2)$ (9.6)$

I N N O V A T I O N . C O - C R E A T I O N t.

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

NYSE: AVNT) AVIENT CORPORATION I N V E S T O R M E E T I N G S M AY 2 0 2 2 DISCLAIMER Forward-Looking Statements In this presentation, statements that are not reported financial results or other historical information are “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. Source: Peer data per Bloomberg market data as of April 21, 2022 86 82 86 86 84 78 77 89 86 81 80 76 76 76 67 67 11 (12) P PM AV VR 18% 16% 15% 15% 14% 14% 28% 28% 26% 22% 21% 19% 9% 9% T od ay P AV PM C VR Median: 21%Median: 15% 2022 EBITDA MARGINS VS. OUR VALUATION VERSUS PEERS Avient Specialty Other 5.4 8.5 10.1 9.8 13.8 12.8 12.1 11.8 10.2 21.0 19.2 16.8 13.7 13.6 8.8 8.7 8.7 8.3 8.0 5.6 01 1) 01 6) 02 1) (T od ay ) PM PP AV VR C Historic Multiple APPENDIX Performance Additives 15% Pigments TiO2 Dyestuffs 3%Polyethylene Nylon 6% Polypropylene Other Raw Materials 30% Styrenic Block Copolymer ~40% hydrocarbon based (Grey shaded materials are hydrocarbon based, includes portion of “Other Raw Materials”) Non-hydrocarbon based materials 48 • Significant raw material price inflation and tight inventory continued in Q1 2022 o The average cost of hydrocarbon based materials was up 30% o The average cost of non-hydrocarbon based materials was up 20% • Additionally, we continued to experience other supply chain challenges during Q1 related to raw material spot purchases, freight constraints and productivity loss as a result of these shortages Annual Purchases RAW MATERIAL AND SUPPLY CHAIN UPDATE Based on 2021 purchases, excludes Distribution business SEGMENT DATA U.S. & Canada 50% Latin America 2021 SEGMENT, END MARKET AND GEOGRAPHY GEOGRAPHY REVENUESEGMENT FINANCIALS 23% 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 15% 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 51 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 52 DI S T RI BU T I O N 26% 23% Building and 80% 3% Latin America END MARKET REGION K EY SU PPL IER S 2021 REVENUE | $1 .6 BILLION 53 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) 54 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.

James S T A T E OF O H I O C E R T I F I C A T E Ohio Secretary of State, Frank LaRose 4463782 It is hereby certified that the Secretary of State of Ohio has custody of the business records for and, that said business records show the filing and recording of: AVIENT CORPORATION United States of America State of Ohio Office of the Secretary of State Witness my hand and the seal of the Secretary of State at Columbus, Ohio this 23rd day of April, A.D. 2020. Ohio Secretary of State 202011402526NAME RESERVATION Document(s) Document No(s): C T CORPORATION SYSTEM 4400 EASTON COMMONS WAY SUITE 125 COLUMBUS, OH 43219 This is not a bill.

The two-component injection molding, also referred to as two-shot molding, consists of a machine with two independent injection units, each of which shoots a different material in series.

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. Purchase price multiple rapidly declining on strength of business and synergy capture 7 $133 $201 2019PF 2022E 7 Clariant Color EBITDA Growth Purchase Price Multiple 10.8x 7.0x 6.4x 2019PF 2021 2022E w/ Full Synergies 11.9% 16.3% 2019PF 2022E EBITDA Margins CLARIANT COLOR: TRANSFORMATIONAL ACQUISITION (1) Financial information is pro forma to include a full year of Clariant Color business SUNBELT PVC Resins DSS 20 Acquisitions $4.8B Investment $2.7B of Annual Revenue 5 Divestments $2.3B Proceeds TPE PP&S HISTORIC SPECIALIZATION THROUGH M&A 8 Distribution DSM Protective Materials BOLT-ON ACQUISITION HISTORY 9 Commercial Resources Operating Income Operating Margins 259 363 $40 $139 Established Acquisitions (> 7 years) + 40% + 248% + 1300 bps I N V E S T T O G R O W SPECIALTY TRANSFORMATION T O D A Y 46% 67% 86% 100% 0% 60% 80% 100% 2005 2010 2019 2021 2022 PF % o f A d ju st ed E B IT D A • Commodity JVs • Distribution • Performance Products & Solutions • Specialty Businesses (1) Adjusted EBITDA is EBITDA excluding corporate costs and special items (2) Pro forma for the acquisition of Dyneema® and divestiture of Distribution (1 ) (2) 10 Building & 43% 14% Telecom. 2% 2006 2022 Pro Forma 21% Building & Telecom. 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.