Aquamix products are available in 5-gallon pails; 55-gallon polyethylene-lined fiber drums; totes; tanker-trucks; or customized packaging to fit your specific requirements. Aquamix products are available in 5-gallon pails; 55-gallon polyethylene-lined fiber drums; totes; tanker-trucks; or customized packaging to fit your specific requirements.

Si le vendeur, agissant de façon raisonnable, établit que la responsabilité financière de l’acheteur est devenue moindre ou qu’elle est autrement insatisfaisante pour le vendeur, le vendeur peut demander des paiements anticipés en espèces ou le dépôt d’une garantie satisfaisante par l’acheteur et il peut retenir les expéditions jusqu’à ce que l’acheteur effectue ces paiements anticipés en espèces ou dépose cette garantie; cet acte par le vendeur ne saurait constituer une modification des modalités de paiement prévues aux présentes. 5. L’une ou l’autre des parties peut suspendre l’exécution des présentes (sauf pour payer le produit déjà reçu) dans les cas suivants: (1) actes de Dieu, incendie, explosion, inondation, ouragan; (2) grèves, lock-out ou autre perturbation industrielle ou émeute; (3) guerre, déclarée ou non déclarée; (4) observation des lois, règlements, arrêtés ou règles, pris à l’échelon fédéral, étatique, municipal ou local, étrangers ou nationaux, notamment les arrêtés ou règlements de priorité, de rationnement, de répartition ou de préemption, ou l’annulation du permis d’exploitation d’usine du vendeur ou de l’acheteur; (5) pénurie ou autre défaillance des installations utilisées pour la fabrication ou le transport, ou pénurie de main-d’œuvre, d’électricité, de combustibles ou de matières premières; (6) fermeture totale ou partielle du fait du redressement normal de l’usine du vendeur; ou (7) toute autre cause, de quelque nature ou type que ce soit, raisonnablement indépendante de la volonté de la partie défaillante, qu’elle soit semblable ou différente des causes énumérées (une « force majeure »).

Investor Day POLYONE I N V E S T O R P R E S E N T A T I O N A U G U S T 2 0 1 8 FORWARD LOOKING STATEMENTS PolyOne Corporation 2 USE OF NON-GAAP MEASURES PolyOne Corporation 3 V I S I O N PolyOne Corporation 4 To be the world’s premier provider of specialized polymer materials, services and solutions C O R E V A L U E S P E R S O N A L V A L U E S Honesty IntegrityRespect Operational Excellence Commercial Excellence Specialization Globalization Collaboration ExcellenceInnovation To be the world’s premier provider of specialized polymer materials, services and solutions S A F E T Y F I R S T PolyOne Corporation 5 1.3 1.1 1.1 0.85 0.65 0.57 0.54 0.97 0.84 0.74 0.74 0.69 0.57 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 YTD Injuries per 100 Workers Spartech Acquisition PolyOne Corporation 6 P O L Y O N E 2 0 1 7 R E V E N U E | $ 3 . 2 B I L L I O N 9% United States 59% 14% 10% Latin America 9% Canada PolyOne Distribution 34% Performance Products & Solutions 21% Specialty Engineered 19% Color Additives & Inks 26% Segment End Market Geography Building & Construction Electrical & Electronics 2009 2010 2011 2012 2013 2014 2015 2016* 2017* P R O O F O F P E R F O R M A N C E C O N S E C U T I V E Y E A R S PolyOne Corporation 7 8 $0.13 $0.68 $0.82 $1.00 $1.31 $1.80 $1.96 $2.06 $2.21 “Where we were” “Where we are” ROIC** 5.0% 14.0% Operating Income % of Sales Color, Additives & Inks 1.7% 15.5% Specialty Engineered Materials 1.1% 12.1% Performance Products & Solutions 4.3% 10.7% Distribution 2.6% 6.3% A D J U S T E D E P S E X P A N S I O N S U S T A I N A B L E P A T H T O D O U B L E - D I G I T E P S G R O W T H PolyOne Corporation 8 P E O P L E P R O D U C T S P L A N E T P E R F O R M A N C E Double digit annual EPS growth strategic acquisitions Innovate 600K-1M commercial resources 6-8% Double acquired Lean Six Sigma commercial excellence 531 689130 157 504 633 2014 Q2 2018 R&D / Technical Marketing Sales PolyOne Corporation 9 Increased commercial headcount + 28% + 18% + 23% Generating opportunities 35% 25% 1,000 $1.0B Enhancing efficiency I N V E S T M E N T I N COMMERCIAL RESOURCES D R I V I N G G R O W T H Lead Specialists T H E E V O L V I N G C U S T O M E R R E L A T I O N S H I P PolyOne Corporation 10 Expanded Path Traditional Path Strategic Accounts/ Field Sales Business Development Customer Service Web and Social Media Inside Sales PolyOne Corporation 11 Investments in digital and dedicated inside sales to improve customer experience 80% increase in leads (from 6,000 to 11,000) driven by website, phone, and online chat EXPANDED PATH A D D I N G C U S T O M E R T O U C H P O I N T S 4 21 Inside sellers $11M $88M Inside sales/digital revenue N E W R E S O U R C E S F U E L I N G T H E F U T U R E PolyOne Corporation 12 P O L Y O N E S A L E S F U N N E L +34% $3.0 billion 2017 $4.0 billion A L I G N I N G W I T H T R E N D S F O R G R O W T H T R A N S P O R T A T I O N P A C K A G I N G H E A L T H C A R E C O N S U M E R PolyOne Corporation 13 Facilitate alternative energy solutions Light- weighting Reduce packaging materials Improve recyclability Reduce spread of infection I N N O V A T I O N PolyOne Corporation 14 Customization 55% M&A 30% Innovation Pipeline Innovation comes from Research & Development Spend Vitality Index 38% $20 $52 Transformational Adjacent Core 3 H O R I Z O N S O F D E V E L O P M E N T PolyOne Corporation 15 Market Technical I N N O V A T I O N I N N O V A T I O N P I P E L I N E PolyOne Corporation 16 PrototypeFrame Opportunity Scale-up & Test Market Build Business Case Commercial Launch (since 2015) Phase 1 Phase 2 Phase 3 Phase 4 Phase 5 8 6 2 1 15 4 10 11 4 7 Breakthrough Platform Derivative F L A M E R E T A R D A N T P O L Y M E R S A D V A N C E D C O M P O S I T E S B A R R I E R M A T E R I A L S C O L O R A N T T E C H N O L O G I E S T H E R M O P L A S T I C E L A S T O M E R S I N N O V A T I O N S P O T L I G H T : C O M P O S I T E S PolyOne Corporation 17 C O M P O S I T E S R E F R E S H E R PolyOne Corporation 18 Fiber Polymer Composite S T R A T E G I C I N V E S T M E N T H I S T O R Y Thermoplastic Composites Long Fiber Reinforced Thermoplastics Continuous Fiber Thermosets Long Fiber Reinforced Thermoplastics Continuous Fiber Thermosets 2012 2015 20162009 2011 2018 PolyOne Corporation 19 C O M P O S I T E S I N T R A N S P O R T A T I O N PolyOne Corporation 20 W A T E R C R A F TR A I L H E A V Y T R U C K PolyOne Corporation 21 Safety Technology Geography Service FinancialPeople 8-10% with ability to double I N V E S T - T O - G R O W M & A S T R A T E G Y PolyOne Corporation 22 Capture sourcing synergies Cross-sell & blend technology 8-10% operating I N V E S T - T O - G R O W M & A P L A Y B O O K Protect customers Retain employees Implement LSS to drive efficiency improvements Innovate with combined portfolio Safety First!

Rose Vice President, Corporate Communications Avient Corporation +1 440-930-3162 kyle.rose@avient.com mailto:giuseppe.disalvo@avient.com mailto:kyle.rose@avient.com 5 Attachment 1 Avient Corporation Summary of Condensed Consolidated Statements of Income (Unaudited) (In millions, except per share data) Three Months Ended 2022年3月31日 2021 Sales $ 1,293.8 $ 1,162.3 Operating Income 128.6 120.4 Net income attributable to Avient shareholders 84.2 79.3 Basic earnings per share attributable to Avient shareholders $ 0.92 $ 0.87 Diluted earnings per share attributable to Avient shareholders $ 0.91 $ 0.86 Senior management uses comparisons of adjusted net income attributable to Avient shareholders and diluted adjusted earnings per share (EPS) attributable to Avient shareholders, excluding special items, to assess performance and facilitate comparability of results. 2) Tax adjustments include the net tax benefit/(expense) from one-time income tax items, the set-up or reversal of uncertain tax position reserves and deferred income tax valuation allowance adjustments. 8 Attachment 4 Avient Corporation Condensed Consolidated Balance Sheets (In millions) (Unaudited) 2022年3月31日 2021年12月31日 ASSETS Current assets: Cash and cash equivalents $ 562.6 $ 601.2 Accounts receivable, net 757.9 642.3 Inventories, net 475.4 461.1 Other current assets 131.0 122.4 Total current assets 1,926.9 1,827.0 Property, net 661.9 676.1 Goodwill 1,283.4 1,286.4 Intangible assets, net 904.1 925.2 Operating lease assets, net 67.1 74.1 Other non-current assets 200.3 208.4 Total assets $ 5,043.7 $ 4,997.2 LIABILITIES AND SHAREHOLDERS' EQUITY Current liabilities: Short-term and current portion of long-term debt $ 607.5 $ 8.6 Accounts payable 642.3 553.9 Current operating lease obligations 21.7 24.2 Accrued expenses and other current liabilities 284.8 353.9 Total current liabilities 1,556.3 940.6 Non-current liabilities: Long-term debt 1,250.2 1,850.3 Pension and other post-retirement benefits 98.5 100.0 Deferred income taxes 99.4 100.6 Non-current operating lease obligations 45.9 50.1 Other non-current liabilities 164.1 165.1 Total non-current liabilities 1,658.1 2,266.1 SHAREHOLDERS' EQUITY Avient shareholders’ equity 1,813.2 1,774.7 Noncontrolling interest 16.1 15.8 Total equity 1,829.3 1,790.5 Total liabilities and equity $ 5,043.7 $ 4,997.2 9 Attachment 5 Avient Corporation Condensed Consolidated Statements of Cash Flows (Unaudited) (In millions) Three Months Ended 2022年3月31日 2021 Operating Activities Net income $ 84.5 $ 79.7 Adjustments to reconcile net income to net cash provided by operating activities: Depreciation and amortization 35.7 36.6 Accelerated depreciation and amortization 2.1 0.5 Share-based compensation expense 3.2 2.7 Changes in assets and liabilities, net of the effect of acquisitions: Increase in accounts receivable (118.8) (137.6) Increase in inventories (15.1) (35.1) Increase in accounts payable 90.5 67.3 Decrease in pension and other post-retirement benefits (4.0) (7.1) Decrease in accrued expenses and other assets and liabilities, net (59.2) (3.4) Net cash provided by operating activities 18.9 3.6 Investing activities Capital expenditures (13.3) (16.5) Other investing activities — (2.0) Net cash used by investing activities (13.3) (18.5) Financing activities Purchase of common shares for treasury (15.8) (4.2) Cash dividends paid (21.7) (19.5) Repayment of long-term debt (2.4) (2.3) Payments of withholding tax on share awards (3.9) (3.1) Net cash used by financing activities (43.8) (29.1) Effect of exchange rate changes on cash (0.4) (11.0) Decrease in cash and cash equivalents (38.6) (55.0) Cash and cash equivalents at beginning of year 601.2 649.5 Cash and cash equivalents at end of period $ 562.6 $ 594.5 10 Attachment 6 Avient Corporation Business Segment Operations (Unaudited) (In millions) Operating income and earnings before interest, taxes, depreciation and amortization (EBITDA) at the segment level does not include: special items as defined in Attachment 3; corporate general and administration costs that are not allocated to segments; intersegment sales and profit eliminations; share-based compensation costs; and certain other items that are not included in the measure of segment profit and loss that is reported to and reviewed by the chief operating decision maker.

Slide 5 - Segment Data Recast for Avient Distribution as a Discontinued Operation Reflects segment data 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 2021年12月31日 Year Ended 2021年12月31日 Three Months Ended 2021年3月31日 Three Months Ended 2021年6月30日 Three Months Ended 2021年9月30日 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 2022年3月31日 Three Months Ended 2022年6月30日 Six Months Ended 2022年6月30日 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)$

2 Bribery of Government Officials 2 Commercial Bribery 2 Facilitation Payments and Kickbacks 3 Working with Agents, Distributors and Other Third Parties 3 Due Diligence and Approval Process 3 Red Flags 3 Accounting and Record Keeping Requirements 4 Reporting Possible Violations 4 Avient Ethics Hotline 4 Protection from Retaliation 4 Quick Reference: ABAC DOs and DON’Ts 5 1 Our Global Policy on Anti-Bribery and Anti-Corruption Avient strictly prohibits fraud, bribery, and other corrupt business practices in all of our business operations anywhere in the world. subject= http://avient.ethicspoint.com 5 Quick Reference: ABAC DOs AND DON’Ts DO ✓ Know that Avient prohibits any form of bribery and corruption and does not allow facilitation payments ✓ Be familiar with applicable aspects of our ABAC Policies and communicate them to subordinates and third parties ✓ Ask questions if the Policies or actions required to be taken are unclear ✓ Promptly report violations or suspected violations to your supervisor, the Legal Department or the Ethics Hotline ✓ Know that “value” is not necessarily measured in monetary terms ✓ Know that bribes can include the following: • Cash and cash equivalents (gift cards or gift certificates) • Gifts, entertainment and hospitality where there is no clear business purpose or they are in excess of business needs • Payment of travel expenses or vacations • Paying a government official to ignore an applicable customs requirement or to accelerate a tax refund • Personal services, favors, and loans • Offers of employment or other benefits to a family member or friend of the individual who has influence • Political party and candidate contributions • Charitable donations and sponsorships • Other less obvious items include in-kind contributions, investment opportunities and favorable or steered subcontracts ✓ Know that the prohibition applies whether an item would benefit the individual directly or another person, such as a family member, friend or business associate ✓ Keep books, records, and accounts in reasonable detail, and accurately and fairly reflect the transaction ✓ Conduct due diligence on agents, distributors, and other third parties prior to engagement and during the relationship and obtain Legal Department approval ✓ Properly manage and monitor business activities conducted through third-parties DON’T x Offer, promise, pay, or authorize the payment of anything of value to any government official and/or private sector employees to help Avient obtain or keep business or secure some other improper business advantage.

lang=En&n=FD9B0E51-1 https://ec.ss.ec.gc.ca/auth/en/Services General Information Substance List CAS RN Substance Name Releases Releases (Speciated VOCs) Disposals Recycling Unit 103­23­1 Bis(2­ethylhexyl) adipate 0.0000 N/A N/A N/A tonnes 117­81­7 Bis(2­ethylhexyl) phthalate 0.0001 N/A N/A N/A tonnes 85­44­9 Phthalic anhydride N/A N/A N/A N/A tonnes Extension 73642 Fax: 4164994687 Email: darryl.chartrand@ch2m.com Contact Type Highest Ranking Employee Name: Robert Greenop Position: Plant Manager Telephone: 5199385865 Email: robert.greenop@polyone.com Mailing Address: Address Line 1:  City, Province/Territory, Postal Code: None  Country: None Contact Type Person who prepared the report Name: Najat Kamal Position: EHSQ specialist Telephone: 5148089920 Email: najat.kamal@polyone.com Mailing Address: Delivery Mode: GeneralDelivery Address Line 1:  City, Province/Territory, Postal Code: None  Country: None Number of employees: 16 Activities for Which the 20,000­Hour Employee Threshold Does Not Apply: None of the above Activities Relevant to Reporting Dioxins, Furans and Hexacholorobenzene: None of the above Activities Relevant to Reporting of Polycyclic Aromatic Hydrocarbons (PAHs): Wood preservation using creosote: No Is this the first time the facility is reporting to the NPRI (under current or past ownership): Is the facility controlled by another Canadian company or companies: Did the facility report under other environmental regulations or permits: Is the facility required to report one or more NPRI Part 4 substances (Criteria Air Contaminants): Operating Schedule ­ Days of the Week: Mon, Tue, Wed, Thu, Fri Usual Number of Operating Hours per day: 24 Usual Daily Start Time (24h) (hh:mm): 07:00 CAS RN Substance Name Releases Releases (Speciated VOCs) Disposals Recycling Unit Applicable Programs CAS RN Substance Name NPRI ON MOE TRA ON MOE Reg 127/01 First report for  this substance to  the ON MOE TRA 103­23­1 Bis(2­ethylhexyl) adipate Yes Yes Yes 117­81­7 Bis(2­ethylhexyl) phthalate Yes Yes No 85­44­9 Phthalic anhydride Yes Yes No General Information about the Substance ­ Releases and Transfers of the Substance Was the substance released on­site The substance will be reported as the sum of releases to all media (total of 1 tonne or less) 1 tonne or more of a Part 5 Substance (Speciated VOC) was released to air Yes Yes No Yes Yes No General Information about the Substance ­ Disposals and Off­site Transfers for Recycling Was the substance disposed of (on­site or off­ site), or transferred for treatment prior to final disposal Is the facility required to report on disposals of tailings and waste rock for the selected reporting Was the substance transferred off­site for recycling General Information about the Substance ­ Nature of Activities CAS RN Substance Name Manufacture the Substance Process the Substance Otherwise Use of the Substance 103­23­1 Bis(2­ethylhexyl) adipate For sale/distribution As a formulation component As a by­product 117­81­7 Bis(2­ethylhexyl) phthalate For sale/distribution As a formulation component As a by­product 85­44­9 Phthalic anhydride As a by­product As a reactant As a by­product TRA Quantifications CAS RN Substance Name Use, Creation, Contained in Product Quantity Use ranges for public reporting 103­23­1 Bis(2­ethylhexyl) adipate Use 0.000 tonnes Yes 103­23­1 Bis(2­ethylhexyl) adipate Creation 27.159 tonnes Yes 103­23­1 Bis(2­ethylhexyl) adipate Contained in Product 27.159 tonnes Yes 117­81­7 Bis(2­ethylhexyl) phthalate Use 0.000 tonnes Yes 117­81­7 Bis(2­ethylhexyl) phthalate Creation 0.104 tonnes Yes 117­81­7 Bis(2­ethylhexyl) phthalate Contained in Product 0.104 tonnes Yes 85­44­9 Phthalic anhydride Use 4228.7 tonnes Yes 85­44­9 Phthalic anhydride Creation 0.000 tonnes Yes 85­44­9 Phthalic anhydride Contained in Product 4228.7 tonnes Yes TRA Quantifications ­ Others Change in Method of Quantification Reasons for Description of how the change impact tracking and quantification of the substance Description of how an incident(s) affected quantifications Significant Process Change in Method of Quantification Reasons for Description of how the change impact tracking and quantification of the substance Description of how an incident(s) affected quantifications Significant Process Total Quantity Released (All Media) CAS RN Substance Name Category Basis of Estimate Detail Code Quantity 103­23­1 Bis(2­ethylhexyl) adipate Total Quantity Released O ­ Engineering Estimates 0.0000 tonnes 117­81­7 Bis(2­ethylhexyl) phthalate Total Quantity Released O ­ Engineering Estimates 0.0001 tonnes On­site Releases ­ Quarterly Breakdown of Annual Releases CAS RN Substance Name Quarter 1 Quarter 2 Quarter 3 Quarter 4 117­81­7 Bis(2­ethylhexyl) phthalate 25 25 25 25 On­site Releases ­ Reasons for Changes in Quantities Released from Previous Year CAS RN Substance Name Reasons for Changes in Quantities from Previous Year Comments 117­81­7 Bis(2­ethylhexyl) phthalate No significant change (i.e.  I also acknowledge that the Toxics Reduction Act, 2009 and Ontario Regulation 455/09 provide the authority to the Director under the Act to make certain information as specified in subsection 27(5) of Ontario Regulation 455/09 available to the public.

2 Devlet Görevlilerine Rüşvet 2 Ticari Rüşvet 2 Kolaylaştırma Ödemeleri ve Komisyonlar 3 Temsilciler, Distribütörler ve Diğer Üçüncü Taraflarla Çalışmak 3 Durum Tespiti ve Onay Süreci 3 Uyarı İşaretleri 3 Muhasebe ve Kayıt Tutma Zorunlulukları 4 Olası İhlallerin Bildirilmesi 4 Avient Etik Yardım Hattı 4 Misillemeye Karşı Koruma 4 Hızlı Referans: ABAC YAPILACAKLAR VE YAPILMAYACAKLAR 5 1 Küresel Rüşvet ve Yolsuzluk Karşıtı Politika Avient dünyanın her yerinde tüm ticari faaliyetlerinde, sahtecilik, rüşvet ve diğer yolsuzluk uygulamalarını yasaklamıştır. subject= http://avient.ethicspoint.com 5 Hızlı Referans: ABAC YAPILACAKLAR VE YAPILMAYACAKLAR YAPIN • Avient’in her türlü rüşvet ve yolsuzluğu yasakladığını ve kolaylaştırma ödemelerine izin vermediğini bilin • ABAC Politikalarının yürürlükte olan yönlerini bilin ve bunları astlara ve üçüncü taraflara aktarın • Politikaların ya da alınacak önlemlerin net olmaması durumunda soru sorun • İhlalleri veya şüpheli ihlalleri derhal amirinize, Hukuk Departmanına veya Etik Yardım Hattına bildirin • “Değer”in mutlaka parasal olarak ölçülmediğini bilin • Rüşvetin aşağıdakileri içerebileceğini bilin: • Nakit ve nakit eşdeğerleri (hediye kartları ya da hediye sertifikaları) • Belirli bir iş amacı taşımayan veya makul iş ihtiyaçlarını aşan hediye, ağırlama ve ikram • Seyahat masraflarının veya tatillerin ödenmesi • Bir kamu görevlisine, gümrük şartlarını görmezden gelmesi ya da vergi iadesini hızlandırması için yapılan ödeme • Kişisel hizmetler, yardımlar ve borçlar • Kişinin aile üyelerinden ya da nüfuz sahibi arkadaşlarından birisi için istihdam ya da başka bir çıkar önerme • Siyasi parti ve aday destekleri • Yardım bağışları ve sponsorluklar • Daha az belirgin olan diğer unsurlar arasında ayni katkılar, yatırım fırsatları ve lehine hareket edilen ya da yönlendirilen alt yükleniciler vardır • Bir nesnenin kişiye ya da aile üyesi, arkadaş ya da iş bağlantısı gibi başka bir kişiye doğrudan fayda sağladığında yasaklamanın devreye gireceğini bilin • Defterleri, kayıtları ve hesapları makul detaylarla tutun ve işlemi doğru ve adil bir şekilde yansıtın • İş ilişkisinden önce ve ilişki sırasında temsilciler, distribütörler ve diğer üçüncü taraflar için durum tespiti yapın ve Hukuk Departmanından onay alın • Üçüncü taraflar aracılığıyla yürütülen ticari faaliyetleri düzgün şekilde yönetin ve izleyin YAPMAYIN • Avient’in işi elde etmesi ya da sürdürmesi ya da başka uygun olmayan ticari avantajlar elde etmesi amacıyla, devlet yetkililerine ve/veya özel sektör çalışanlarına değer taşıyan herhangi bir ödeme teklif etmeyin, vaat etmeyin, yapmayın ya da yapılmasına izin vermeyin.

All Other Stock Awards: Number of Shares of Stock or Units (RSUs) (column (h)) (5) Grant of RSUs. 5) Performance shares granted in 2014 reflect a prorated amount in cases of disability or death. Notice of 2024 Annual Meeting 5.

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