OFF-ROAD VEHICLE BRAND H O O D P A N E L • High gloss • Scratch appearance resistance • Ease of processing • Provided technical support from concept to production • Conducted FEA and mold flow analysis • Had solutions for either natural plus concentrate or pre-colored to best meet customer needs • Customized colors to match brand identity and preference Artisan™ Nylon PA6 Formulation KEY REQUIREMENTS WHY AVIENT? https://www.avient.com/products/engineered-polymer-formulations/general-engineered-formulations/artisan-pre-colored-thermoplastics-paint-replacement

COLORABILITY + SLIP RESISTANCE AVIENT SOLUTION VACUUM CLEANER MANUFACTURER V A C U U M C L E A N E R W H E E L • Excellent slip resistance and wet grip • Easy processing • Easy coloring • Offered an easy processing TPE suitable for coloring with masterbatch to meet customer preference • Provided material solution ideal for meeting critical tire performance needs for slip resistance and grip during operation Versaflex™ D3226N KEY REQUIREMENTS WHY AVIENT?

PHONE CASE MANUFACTURER P H O N E C A S E • Formulated TPE with 43% bio-based content plus favorable UV resistance and vibration damping performance compared to standard TPE • Received radiocarbon (C14) international certificate for bio-based content • Provided excellent bonding ability with good aesthetics • Matched design specs with an easily colored material using traditional TPE colorants reSoundTM OM TPEs WHY AVIENT? AVIENT SOLUTION SUSTAINABILITY + COLORABILITY LEARN MORECopyright © 2021, Avient Corporation.

PERSONAL CARE DEVICES P A T I E N T M O B I L I T Y • Diminish the growth of harmful microbes on surfaces without compromising product performance • Achieve cohesive color across different polymeric materials with the addition of antimicrobial ingredients • Accelerate product development timeline • Preserved polymer performance by minimizing undesirable microbes • Designed a masterbatch solution that achieved color harmony between diverse polymeric materials even with the addition of antimicrobial ingredients • Accelerated speed to market by several weeks with Avient’s pre-tested material and supplier expertise while reducing costs of lab testing fees by up to $50,000 Cesa™ WithStand™ Antimicrobial Additives with OnColor™ Colorants KEY REQUIREMENTS WHY AVIENT?

Three Months Ended June 30, Six Months Ended June 30, 2021 2020 2021 2020 Sales: Color, Additives and Inks $ 624.4 $ 226.8 $ 1,233.7 $ 483.3 Specialty Engineered Materials 240.6 158.8 457.1 344.1 Distribution 404.4 238.8 767.1 528.3 Corporate and eliminations (34.2) (15.3) (60.4) (35.1) Sales $ 1,235.2 $ 609.1 $ 2,397.5 $ 1,320.6 Gross margin: Color, Additives and Inks $ 193.4 $ 75.7 $ 390.9 $ 165.1 Specialty Engineered Materials 69.6 42.5 134.3 95.1 Distribution 40.1 27.2 79.4 60.8 Corporate and eliminations (14.4) 4.3 (13.5) 0.2 Gross margin $ 288.7 $ 149.7 $ 591.1 $ 321.2 Selling and administrative expense: Color, Additives and Inks $ 107.1 $ 43.4 $ 215.8 $ 92.3 Specialty Engineered Materials 32.3 25.5 62.8 55.8 Distribution 16.4 12.6 31.7 26.8 Corporate and eliminations 24.8 30.2 52.3 55.5 Selling and administrative expense $ 180.6 $ 111.7 $ 362.6 $ 230.4 Operating income: Color, Additives and Inks $ 86.3 $ 32.3 $ 175.1 $ 72.8 Specialty Engineered Materials 37.3 17.0 71.5 39.3 Distribution 23.7 14.6 47.7 34.0 Corporate and eliminations (39.2) (25.9) (65.8) (55.3) Operating income $ 108.1 $ 38.0 $ 228.5 $ 90.8 Earnings before interest, taxes, depreciation and amortization (EBITDA): Color, Additives and Inks $ 111.6 $ 42.9 $ 227.7 $ 94.4 Specialty Engineered Materials 45.4 24.6 87.4 54.4 Distribution 23.9 14.7 48.1 34.2 Corporate and eliminations (39.0) (23.3) (63.8) (51.4) Other income, net 1.2 9.5 $ 2.7 $ 11.1 EBITDA $ 143.1 $ 68.4 $ 302.1 $ 142.7 12 Attachment 7 Avient Corporation Reconciliation of Non-GAAP Financial Measures (Unaudited) (In millions, except per share data) Senior management uses gross margin before special items and operating income before special items to assess performance and allocate resources because senior management believes that these measures are useful in understanding current profitability levels and how it may serve as a basis for future performance. Reconciliation of Pro Forma Adjusted Earnings per Share: Three Months Ended June 30, 2020 Six Months Ended June 30, 2020 Year Ended December 31, 2020 Net income from continuing operations attributable to Avient shareholders $ 23.0 $ 56.1 $ 132.0 Special items, after tax 2.6 11.2 24.8 Adjusted net income from continuing operations excluding special items 25.6 67.3 156.8 Clariant MB pro forma adjustments to net income from continuing operations(2) 12.9 20.7 20.7 Pro forma adjusted net income from continuing operations attributable to Avient shareholders $ 38.5 $ 88.0 $ 177.5 Weighted average diluted shares 91.8 89.4 90.6 Pro forma impact to diluted shares from January 2020 equity offering(2) — 2.9 1.5 Pro forma weighted average diluted shares 91.8 92.3 92.1 Adjusted EPS - excluding special items pro forma for Clariant MB acquisition $ 0.42 $ 0.95 $ 1.93 (2) Pro forma adjustments for the periods prior to the acquisition date (July 1, 2020) and to give effects to the financing for the acquisition 14 Three Months Ended June 30, 2020 Reconciliation of Pro Forma Adjusted Earnings per Share Avient Special Items Adjusted Avient Clariant MB Pro Forma Adjustments(2) Pro Forma Adjusted Avient Sales $ 609.1 $ — $ 609.1 $ 261.1 $ 870.2 Operating income $ 38.0 $ 9.0 $ 47.0 $ 22.0 $ 69.0 Interest expense, net (16.2) — (16.2) (5.3) (21.5) Other income, net 9.5 (6.6) 2.9 — 2.9 Income taxes (7.9) 0.2 (7.7) (3.8) (11.5) Net income attributable to noncontrolling interests (0.4) — (0.4) — (0.4) Net income from continuing operations attributable to Avient shareholders $ 23.0 $ 2.6 $ 25.6 $ 12.9 $ 38.5 Weighted average diluted shares 91.8 Pro forma adjusted EPS $ 0.42 (2) Pro forma adjustments for the periods prior to the acquisition date (July 1, 2020) and to give effects to the financing for the acquisition Six Months Ended June 30, 2020 Reconciliation of Pro Forma Adjusted Earnings per Share: Avient Special Items Adjusted Avient Clariant MB Pro Forma Adjustments(2) Pro Forma Adjusted Avient Sales $ 1,320.6 $ — $ 1,320.6 $ 540.5 $ 1,861.1 Operating income $ 90.8 $ 18.7 $ 109.5 $ 45.0 $ 154.5 Interest expense, net (25.6) — (25.6) (18.1) (43.7) Other income, net 11.1 (6.7) 4.4 — 4.4 Income taxes (19.8) (0.8) (20.6) (6.2) (26.8) Net income attributable to noncontrolling interests (0.4) — (0.4) — (0.4) Net income from continuing operations attributable to Avient shareholders $ 56.1 $ 11.2 $ 67.3 $ 20.7 $ 88.0 Weighted average diluted shares 89.4 Impact to diluted shares from January 2020 equity offering 2.9 Pro forma weighted average diluted shares 92.3 Pro forma adjusted EPS $ 0.95 (2) Pro forma adjustments for the periods prior to the acquisition date (July 1, 2020) and to give effects to the financing for the acquisition 15 Reconciliation of EBITDA by Segment Three Months Ended June 30, Six Months Ended June 30 2021 2020 2021 2020 Operating income: Color, Additives and Inks $ 86.3 $ 32.3 $ 175.1 $ 72.8 Specialty Engineered Materials 37.3 17.0 71.5 39.3 Distribution 23.7 14.6 47.7 34.0 Corporate and eliminations (39.2) (25.9) (65.8) (55.3) Operating income $ 108.1 $ 38.0 $ 228.5 $ 90.8 Items below OI in Corporate: Other income, net $ 1.2 $ 9.5 $ 2.7 $ 11.1 Depreciation & amortization: Color, Additives and Inks $ 25.3 $ 10.6 $ 52.6 $ 21.6 Specialty Engineered Materials 8.1 7.6 15.9 15.1 Distribution 0.2 0.1 0.4 0.2 Corporate and eliminations 0.2 2.6 2.0 3.9 Depreciation & Amortization $ 33.8 $ 20.9 $ 70.9 $ 40.8 EBITDA: Color, Additives and Inks $ 111.6 $ 42.9 $ 227.7 $ 94.4 Specialty Engineered Materials 45.4 24.6 87.4 54.4 Distribution 23.9 14.7 48.1 34.2 Corporate and eliminations (39.0) (23.3) (63.8) (51.4) EBITDA $ 143.1 $ 68.4 $ 302.1 $ 142.7 EBITDA as a % of Sales: Color, Additives and Inks 17.9 % 18.9 % 18.5 % 19.5 % Specialty Engineered Materials 18.9 % 15.5 % 19.1 % 15.8 % Distribution 5.9 % 6.2 % 6.3 % 6.5 % 16 Reconciliation of Pro Forma EBITDA - Color, Additives and Inks Three Months Ended June 30, Six Months Ended June 30, 2021 2020 2021 2020 Sales: Color, Additives and Inks $ 624.4 $ 226.8 $ 1,233.7 $ 483.3 Clariant MB pro forma adjustments(2) — 261.1 — 540.5 Pro forma sales $ 624.4 $ 487.9 $ 1,233.7 $ 1,023.8 Operating income: Color, Additives and Inks $ 86.3 $ 32.3 $ 175.1 $ 72.8 Clariant MB pro forma adjustments(2) — 22.0 — 45.0 Pro forma operating income $ 86.3 $ 54.3 $ 175.1 $ 117.8 Depreciation & amortization: Color, Additives and Inks $ 25.3 $ 10.6 $ 52.6 $ 21.6 Clariant MB pro forma adjustments(2) — 15.0 — 30.1 Pro forma depreciation & amortization $ 25.3 $ 25.6 $ 52.6 $ 51.7 Earnings Before Interest, Taxes, Depreciation and Amortization (EBITDA): Color, Additives and Inks $ 111.6 $ 42.9 $ 227.7 $ 94.4 Clariant MB pro forma adjustments(2) — 37.0 — 75.1 Pro forma EBITDA $ 111.6 $ 79.9 $ 227.7 $ 169.5 Pro forma EBITDA as a % of Sales 17.9 % 16.4 % 18.5 % 16.6 % (2) Pro forma adjustments for the periods prior to the acquisition date (July 1, 2020) and to give effects to the financing for the acquisition Three Months Ended June 30, Six Months Ended June 30, Reconciliation to Pro Forma Adjusted EBITDA: 2021 2020 2021 2020 Net income from continuing operations – GAAP $ 69.4 $ 23.4 $ 149.1 $ 56.5 Income tax expense 20.4 7.9 43.3 19.8 Interest expense 19.5 16.2 38.8 25.6 Depreciation and amortization from continuing operations 33.8 20.9 70.9 40.8 EBITDA $ 143.1 $ 68.4 $ 302.1 $ 142.7 Special items, before tax 14.2 2.4 16.6 12.0 Interest expense included in special items — (0.5) — (0.5) Depreciation and amortization included in special items 1.4 (1.2) 0.8 (1.2) Adjusted EBITDA $ 158.7 $ 69.1 $ 319.5 $ 153.0 Clariant MB pro forma adjustments(2) — 37.0 — 75.1 Pro forma adjusted EBITDA $ 158.7 $ 106.1 $ 319.5 $ 228.1

Pro Forma Financial Information Avient acquired the Clariant Color business on July 1, 2020 (the “Acquisition Date”). To provide comparable financial results, Avient references “pro forma” financial metrics, which include the business results of Clariant Color for periods prior to the Acquisition Date. WHAT WE DO: MATERIAL SCIENCE 5 CUSTOM FORMULATION SUSTAINABILITY FOR A BETTER TOMORROW Revenue From Sustainable Solutions* 2016-2021 $310 205 140 80 75 45 40 20 $915M2021 Sales *Avient Sustainable Solutions definitions aligned with FTC 2012 Guide for the Use of Environmental Marketing Claims (“Green Guides”) **2020 is Pro Forma to include full year of the Clariant Color business Future Growth Revenue Assumptions From Sustainable Solutions: 8 - 12% 6 S E CO N D Q UART E R 2022 RE S U LT S $122 $134 $0.87 $0.98 Q2 2022 PERFORMANCE (TOTAL COMPANY) 8 Sales Adjusted Operating Income $1,235 $1,302 + 5% Adjusted EPS + 10% + 13% (in millions) (in millions) (+ 10% excluding FX) (+ 16% excluding FX) (+ 20% excluding FX) Q2 2022 SEGMENT PERFORMANCE 9 CAI $624 $649 SEM Distribution $86 $94 + 4% + 9% $404 $443 $24 $27 + 10% + 13% $241 $244 $37 $37 + 1% Flat (+ 10% excluding FX) (+ 16% excluding FX) (+ 6% excluding FX) (+ 3% excluding FX) Q2 2021 $1,235 $122 Sustainable Solutions 17 7% 7 Healthcare 23 14% 5 Composites (ex Outdoor High Performance) 10 20% 4 Growth in Asia / LATAM 5 3% 1 Other 69 11% 5 Sub-total $1,359 10% $144 Outdoor High Performance Impact (9) (5) Wage Inflation and Overtime (7) Other Supply Chain Costs (2) Clariant Color Integration Synergies 7 Incentives, Other Employee Costs 4 FX (48) (7) Q2 2022 $1,302 5% $134 Q2 2022 SALES AND OPERATING INCOME (TOTAL COMPANY) 10 Sales Growth Rate Operating Income$ millions EBITDA Q2 EBITDA BRIDGE 11 Price increases more than offsets raw material and supply chain impacts Q2 2021 $ 159 Demand (29) $ millions CAI: Price / Mix 87 Inflation (58) SEM: Price / Mix 36 Inflation (24) Distribution: Price / Mix 45 Inflation (41) Net Price Benefit 45 Wage Inflation and Overtime (7) Other Supply Chain Costs (2) Clariant Color Integration Synergies 7 Incentives, Other Employee Costs 4 FX (7) Q2 2022 $ 170 China Lockdowns / Russia Impact $ (14) Outdoor High Performance (5) Transportation (5) 12 Q2 '21 Adjusted EPS 0.87$ Color, Additives and Inks 0.11 Specialty Engineered Materials 0.01 Distribution 0.03 Corporate Costs 0.01 F/X (0.05) Segment OI 0.11$ Interest Expense 0.03 Tax Rate (0.03) Q2 '22 Adjusted EPS 0.98$ Q2 EPS BRIDGE Key Updates • Provided progress on 2030 Sustainability Goals • Emphasized commitment to U.N.

FX +4.6% FX -1.5% Total Avient +3.1% Note: Regional Sales Percentages exclude impact of foreign exchange Q2 2024 SEGMENT PERFORMANCE (COLOR, ADDITIVES & INKS) $525 $542 $94 $108 19.9% (in millions) (in millions) 7 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 (SPECIALTY ENGINEERED MATERIALS) $301 $308 $60 $64 20.6% (in millions) (in millions) 8 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) 2024 G U IDA N CE FY 2024 GUIDANCE 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 10 Q3 2024: Adjusted EPS of $0.62 11 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 2023 SUSTAINABILITY REPORT 11 Sustainability for a Better Tomorrow 2023 SUSTAINABILITY REPORT 12 • 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 2024 AVIENT INVESTOR DAY AP P EN D IX 15 Performance Additives 15% Pigments TiO2 Dyestuffs Polyethylene 10%Nylon Polypropylene Styrenic Block Copolymer Other Raw Materials 38% ~40% hydrocarbon based (Grey shaded materials are hydrocarbon based, includes portion of “Other Raw Materials”) Non-hydrocarbon based materials RAW MATERIAL BASKET SEGMENT DATA U.S. & Canada 41% 36% 2023 SEGMENT, END MARKET AND GEOGRAPHY GEOGRAPHY REVENUESEGMENT FINANCIALS 19% 23%Industrial Building and 7% END MARKET REVENUE $2,007M $358M $1,138M $224M Sales EBITDA Specialty Engineered Materials Color Additives and Inks $502M$3,143M (1) 7% 17 (1) Total company sales and adjusted EBITDA of $3,143M and $502M, respectively, include intercompany sales eliminations and corporate costs 2023 REVENUE | $2 .0 B ILL ION 34% 37% 21% END MARKET REGION 18 34% 21% 15% Building & 1% Energy COLOR, ADDITIVES & INKS 2023 REVENUE | $1 .1 B ILL ION 52% 35% 19 6%Industrial 12% 10% Defense Building & END MARKET REGION SPECIALTY ENGINEERED MATERIALS 32% 26% Building & 6% 2% Defense 1% (18% of sales) 2023 AVIENT REGIONAL SALES 25% Building & (36% of sales)Transportation 22% Building & 12% 6% US & Canada (41% of sales) 59% 22% Building & LATAM (5% of sales) 20 BY END MARKET 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. A reconciliation of these measures to their most directly comparable GAAP measures is provided in the tables below. 2024 2023 Reconciliation to Condensed Consolidated Statements of Income $ EPS $ EPS Net income from continuing operations attributable to Avient shareholders $ 33.6 $ 0.36 $ 22.1 $ 0.24 Special items, after-tax 21.8 0.24 19.6 0.21 Amortization expense, after-tax 14.8 0.16 16.2 0.18 Adjusted net income / EPS $ 70.2 $ 0.76 $ 57.9 $ 0.63 Three Months Ended Reconciliation to EBITDA and Adjusted EBITDA: 2024 2023 Net income from continuing operations – GAAP $ 33.8 $ 22.3 Income tax expense 11.2 10.4 Interest expense, net 26.6 29.4 Depreciation & amortization 44.9 47.6 EBITDA from continuing operations $ 116.5 $ 109.7 Special items, before tax 28.1 21.7 Interest expense included in special items (1.0) — Depreciation & amortization included in special items (0.3) (0.1) Adjusted EBITDA $ 143.3 $ 131.3 Adjusted EBITDA as a percent of sales 16.9 % 15.9 % 1 2024 2023 Sales: Color, Additives and Inks $ 542.0 $ 524.5 Specialty Engineered Materials 308.1 300.8 Corporate (0.4) (0.9) Sales $ 849.7 $ 824.4 Operating income: Color, Additives and Inks $ 86.1 $ 68.0 Specialty Engineered Materials 42.8 39.7 Corporate (56.4) (45.4) Operating income $ 72.5 $ 62.3 Depreciation & amortization: Color, Additives and Inks $ 21.8 $ 25.7 Specialty Engineered Materials 20.8 19.9 Corporate 2.3 2.0 Depreciation & amortization $ 44.9 $ 47.6 Earnings before interest, taxes, depreciation and amortization (EBITDA): Color, Additives and Inks $ 107.9 $ 93.7 Specialty Engineered Materials 63.6 59.6 Corporate (54.1) (43.4) Other expense, net (0.9) (0.2) EBITDA from continuing operations 116.5 109.7 Special items, before tax 28.1 21.7 Interest expense included in special items (1.0) — Depreciation & amortization included in special items (0.3) (0.1) Adjusted EBITDA $ 143.3 $ 131.3 Adjusted EBITDA as a percent of sales: Color, Additives and Inks 19.9 % 17.9 % Specialty Engineered Materials 20.6 % 19.8 % 2 Year Ended December 31, 2023 Operating income: Color, Additives and Inks $ 259.9 Specialty Engineered Materials 142.5 Corporate (205.6) Operating income $ 196.8 Depreciation & amortization: Color, Additives and Inks $ 98.3 Specialty Engineered Materials 81.5 Corporate 9.0 Depreciation & amortization $ 188.8 Earnings before interest, taxes, depreciation and amortization (EBITDA): Color, Additives and Inks $ 358.2 Specialty Engineered Materials 224.0 Corporate (196.6) Other income, net 5.8 EBITDA from continuing operations 391.4 Special items, before tax 114.6 Interest expense included in special items (2.3) Depreciation & amortization included in special items (1.9) Adjusted EBITDA $ 501.8 3 Avient Q2 2024 Webcast Slides_for website_with non-GAAP_8_5.pdf IR Deck - AVNT-2024.06.30 - 8.02.24 1130AM.pdf Attachment Avient Q2 2024 Webcast Slides_for website_with non-GAAP.pdf AVNT cover slide.pdf

FOILING COUNTERFEITERS WITH SPECIALIZED COLOR & ADDITIVE MASTERBATCHES CASE STUDY: COLOR, ADDITIVES & INKS Challe nge Accepted. THE SOLUTION The Avient team proposed multiple solutions—including a laser-marking additive, an authentication additive, and colorant—bundled into a single Smartbatch™ concentrate. The concentrate also included the required color for the manufacturer’s branding and an additive for UV protection.

Specially formulated for both spunbond and meltblown manufacturing processes, they have no visible influence on color and can be customized to combine water repellency and color into one product for added convenience. APPLICATIONS • Construction: roofing underlay, cable wrapping, geotextiles • Medical: surgical gowns, surgical drapes, sterile tray wraps, hospital bed sheets, and curtains • Filtration: various filters that require water repellency BENEFITS • Fast and long-lasting water repellency • IPA repellency grade 6 • No visible influence on the final color of the nonwoven fabric • Can be combined with color into a single product for convenience • Regulatory compliance to key standards and support for specific standards PRODUCT BULLETIN Copyright © 2023, Avient Corporation.

FIBER OPTICAL CABLES Key Features • Rip through any material, including steel armor • High strength to diameter ratio • Lubricated for easy ripping • Colors available for easy identification • Long continuous lengths per spool FIBER-LINE® FIBERS FOR RIPCORDS • Kevlar® Para-Aramid • Vectran® Liquid Crystal Polymer (LCP) • PET Polyester • Nylon Polyamide • Technora® FIBER-LINE® PERFORMANCE ADDING COATINGS • FIBER-LINE® WearcoatTM: Lubricity for fast and easy removal • FIBER-LINE® BlockcoatTM: Anti-wick/Non-wick water penetration & snag resistance • FIBER-LINE® RepelcoatTM: Water Repellency • FIBER-LINE® Swellcoat®: Water Absorbing Protection • FIBER-LINE® Swellcoat® Blocker: Block Water Migration • FIBER-LINE® ColorcoatTM: Color identification for easy tracking Overview • FIBER-LINE® has over 25 years of experience in producing ripcords for the optical fiber cable market. Packages can be supplied on colored, embossed and/or slit tubes. They also add important characteristics, such as SWELLCOAT® water-blocking, water repellence, adhe- sion, color, and wear and UV-resistance to these and many other applications.