MB3024 Black Plastisol 89A MB3025 Black Plastisol 65A MB3026 Black Plastisol 78A

We have updated our full year sales and adjusted EPS guidance to $3.13 billion and $2.30, respectively, to reflect our current projections as well as weaker foreign exchange. This reflects the confidence we have in our ability to continue to deliver consistent free cash flow, but more importantly to drive long-term earnings growth from the areas of focus we highlighted at our Sustainability Day in September.” Three Months Ended September 30, Nine Months Ended September 30, 2023 2022 2023 2022 Sales: Color, Additives and Inks $ 486.5 $ 565.6 $ 1,548.0 $ 1,864.2 Specialty Engineered Materials 267.9 258.2 878.4 743.6 Corporate (0.7) (0.5) (2.6) (1.3) Sales $ 753.7 $ 823.3 $ 2,423.8 $ 2,606.5 Gross margin: Color, Additives and Inks $ 156.8 $ 161.3 $ 482.9 $ 546.8 Specialty Engineered Materials 78.3 66.9 263.7 201.3 Corporate (39.8) (32.8) (63.0) (37.4) Gross margin $ 195.3 $ 195.4 $ 683.6 $ 710.7 Selling and administrative expense: Color, Additives and Inks $ 92.3 $ 92.7 $ 284.8 $ 290.1 Specialty Engineered Materials 48.0 35.5 150.6 96.4 Corporate 20.7 26.6 94.5 81.3 Selling and administrative expense $ 161.0 $ 154.8 $ 529.9 $ 467.8 Operating income: Color, Additives and Inks $ 64.5 $ 68.6 $ 198.1 $ 256.7 Specialty Engineered Materials 30.3 31.4 113.1 104.9 Corporate (60.5) (59.4) (157.5) (118.7) Operating income $ 34.3 $ 40.6 $ 153.7 $ 242.9 Depreciation & amortization: Color, Additives and Inks $ 24.6 $ 24.2 $ 76.1 $ 76.1 Specialty Engineered Materials 20.5 12.9 61.6 28.4 Corporate 1.3 2.7 6.8 9.2 Depreciation & Amortization $ 46.4 $ 39.8 $ 144.5 $ 113.7 Earnings before interest, taxes, depreciation and amortization (EBITDA): Color, Additives and Inks $ 89.1 $ 92.8 $ 274.2 $ 332.8 Specialty Engineered Materials 50.8 44.3 174.7 133.3 Corporate (59.2) (56.7) (150.7) (109.5) Other income (expense), net 1.0 (32.3) 1.5 (31.3) EBITDA including special items $ 81.7 $ 48.1 $ 299.7 $ 325.3 Special items in EBITDA 41.0 71.2 88.1 75.6 Total Company, EBITDA adjusted $ 122.7 $ 119.3 $ 387.8 $ 400.9 13 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.

D is t. ) R P M P P G K W R F U L A V Y G C P IF F F M C H X L H U N E M N F O E E C L K R A S C L A S H C E G R A A L B Median: 5%Median: 3% Source: Peer data per Bloomberg market data as of February 5, 2021 Avient reflects 2021 estimated revenue of $4,100M and excludes one-time synergy capture CAPEX ($20M) Avient Specialty Formulators Other Chemical/Specialty Companies Free Cash Flow Conversion (1) 2021E (%) Being asset light helps us to generate strong free cash flow that is in line with specialty formulators. Free cash flow conversion calculated as (EBITDA – Capex) / EBITDA Median: 83% Median: 76% H I G H F R E E C A S H F L OW C O N V E R S I O N Avient reflects 2021 estimated EBITDA of $510M and excludes one-time synergy capture CAPEX ($20M) Source: Peer data per Bloomberg market data as of February 5, 2021 85 87 86 86 81 81 59 92 88 81 79 79 79 76 76 75 73 67 67 64 60 7 A vi e n t P P G K W R R P M F U L A V Y G C P IF F F M C U N V R H X L E M N B N R E C L C E A S H F O E G R A H U N K R A S C L A L B Source: Peer data per Bloomberg market data as of February 5, 2021 Total Enterprise Value / 2021E EBITDA Our current valuation implies an EBITDA multiple that is significantly below specialty formulator peers and our historic valuations, when the company had considerable exposure to more cyclical and challenging end markets. With the Clariant Masterbatch acquisition and divestment of the PP&S business, our exposure is now concentrated in less-cyclical and high-growth markets, with increased geographic diversification and a more specialized portfolio that can significantly expand EBITDA margins. 24 Avient reflects 2021 estimated EBITDA of $510M O U R VA LUATI O N V E R S U S P E E R S Avient Specialty Formulators Other Chemical/Specialty Companies 9.5 21.1 13.2 13.2 12.0 12.0 9.7 25.2 23.1 14.7 13.5 12.9 11.0 11.0 11.0 10.2 9.6 9.3 9.3 9.1 8.6 8.3 A vi e n t K W R A V Y R P M G C P P P G F U L A L B E C L H X L IF F F M C G R A B N R F O E A S H C E S C L U N V R E M N H U N K R A Median: 11.0xMedian: 12.6x S U M M A RY: W H Y I N V E S T I N AV I E N T ?

To provide comparable results, the company references “pro forma” financial metrics, which include the business results of Avient Protective Materials for periods prior to the Acquisition Date, as if the transaction occurred on January 1, 2021 and reflect Distribution as a discontinued operation. Avient reflects 2023 adjusted EBITDA guidance of $525M and estimated run-rate CAPEX of $110M. 2023E (%) 23 79 90 84 83 76 73 88 82 77 74 72 67 57 20 A vi e n t K W R P P G F U L A V Y R P M F M C C E H X L E C L A S H H U N E M N S C L Avient Specialty Formulators Other Specialty / Chemical Companies MULTI PL E EX PANSION Source: Peer data per Bloomberg as of July 21, 2023 Note: Avient reflects 2023 adjusted EBITDA guidance of $525M and closing share price of $40.93. Avient 2011 and 2018 valuations reflect trailing 12 months EBITDA at December 31 of the respective years. 24 EV / 2023E EBITDA Historic Multiple 6.5 8.3 10.3 14.4 13.6 13.6 12.4 9.0 20.2 18.2 11.5 10.6 9.7 9.6 8.7 8.3 A vi e n t (2 0 1 1 ) A vi e n t (2 0 1 8 ) A vi e n t (2 0 2 3 ) R P M P P G K W R A V Y F U L E C L H X L F M C A S H S C L C E H U N E M N Avient Specialty Formulators Other Specialty / Chemical Companies SEGMENT DATA U.S. & Canada 40% EMEA 37% Asia 18% Latin America 5% 2022 PRO FORMA SEGMENT, END MARKET AND GEOGRAPHY GEOGRAPHY REVENUESEGMENT FINANCIALS Consumer 20% Packaging 24% Industrial 15% Building and Construction 10% Telecommunications 4% Energy 4% Defense 6% END MARKET REVENUE $2,355M $402M $1,300M $272M Sales EBITDA Specialty Engineered Materials Color Additives and Inks $592M$3,653M (1) Transportation 9% Healthcare 8% 26 (1) Total company sales and adjusted EBITDA of $3,653M and $592M, respectively, include intercompany sales eliminations and corporate costs 2 0 2 2 R E V E N U E | $ 2 . 4 B I L L I O N US & Canada 34% EMEA 38% Asia 20% Latin America 8% END MARKET REGION 27 Packaging 34% Consumer 21% Healthcare 8% Industrial 15% Transportation 8% Building & Construction 11% Telecommunications 1% Energy 2% COLOR , AD DI TI VES & INKS 2 0 2 2 P R O F O R M A R E V E N U E | $ 1 . 3 B I L L I O N US & Canada 52% EMEA 35% Asia 13% 28 Packaging 5% Consumer 19% Healthcare 8%Industrial 16% Transportation 10% Telecommunications 10% Energy 9% Defense 15% Building & Construction 8% END MARKET REGION SPEC IA LTY ENGI NEER ED MATERI ALS Packaging 32% Consumer 27% Healthcare 8% Industrial 14% Building & Construction 5% Telecommunications 3% Energy 1% Defense 1% Asia (18% of sales) Transportation 9% 2 0 2 2 P R O F O R M A AV I E N T R E G I O N A L S A L E S Packaging 27% Consumer 14% Healthcare 5% Industrial 17% Building & Construction 10% Energy 5% Defense 8% EMEA (37% of sales)Transportation 11% Packaging 13% Consumer 24% Healthcare 12% Industrial 15% Building & Construction 13% Energy 5% Defense 5% US & Canada (40% of sales) Transportation 7% Packaging 56% Consumer 23% Healthcare 4% Industrial 7% Building & Construction 4% Telecommunications 1% LATAM (5% of sales) Transportation 5% Telecommunications 3% Telecommunications 6% 29 B Y E N D M A R K E T Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except for per share data) Senior management uses comparisons of adjusted net income from continuing operations attributable to Avient shareholders and diluted adjusted earnings per share (EPS) from continuing operations attributable to Avient shareholders, excluding special items, to assess performance and facilitate comparability of results.

Geon™ Sensation Injection-Moldable Vinyl Plastisol – Enables processors to cost-effectively injection mold parts without sacrificing the consistency and performance of traditional vinyl plastisol; excellent for high-touch parts where softer and more durable material is desired Geon™ Sensation Injection-Moldable Vinyl Plastisol is currently available in North America; all other solutions within the portfolio are available globally.

In certain cases throughout this presentation, we have presented GAAP and non-GAAP financial measures adjusted to reflect full- year 2012 Pro forma results, including Spartech and Glasforms and excluding discontinued operations Platform operating income mix percentage 2005Y* 2006* 2008Y* 2010Y* 2013Y Global Specialty Engineered Materials $ 0.4 $ 3.9 $ 17.6 $ 49.7 $ 57.2 Global Color, Additives and Inks 4.3 8.9 28.1 37.7 104.0 Designed Structures and Solutions - - - - 33.4 Specialty Platform $ 4.7 $ 12.8 $ 45.7 $ 87.4 $ 194.6 Performance Products and Solutions 75.7 64.2 31.3 54.0 56.0 Distribution 19.5 19.2 28.1 42.0 63.3 SunBelt Joint venture 91.9 102.9 28.6 18.9 - Corporate (51.5) 34.5 (425.1) (27.7) (82.4) Operating income (loss) GAAP $ 140.3 $ 233.6 $ (291.4) $ 174.6 $ 231.5 Less: Corporate operating expense 51.5 (34.5) 425.1 27.7 82.4 Operating income excluding Corporate $ 191.8 $ 199.1 $ 133.7 $ 202.3 $ 313.9 Specialty platform operating mix percentage 2% 6% 34% 43% 62% * Historical results include the Resin and Specialty Coatings businesses within the Performance Products and Solutions segment. Reconciliation to Condensed Consolidated Balance Sheets 2013 Short-term debt and current portion of long-term debt $ 12.7 Long-term debt 976.2 Less cash and cash equivalents (365.2) Net debt $ 623.7 Adjusted EBITDA 2013 Income before income taxes $ 151.0 Interest expense, net 63.5 Depreciation and amortization 108.8 Special items in EBITDA 31.7 Adjusted EBITDA $ 355.0 2 Platform sales and operating income (OI) 2006Y* 2013Y Global Specialty Engineered Materials sales $ 345.3 $ 615.5 Global Color, Additives and Inks sales 531.8 852.3 Designed Structures and Solutions sales - 597.4 Specialty Platform sales 877.1 2,065.2 Performance Products and Solutions sales 1,166.2 773.2 PolyOne Distribution sales 732.8 1,075.2 Corporate and eliminations (153.7) (142.4) Total sales $ 2,622.4 $ 3,771.2 Global Specialty Engineered Materials OI $ 3.9 $ 57.2 Global Color, Additives and Inks OI 8.9 104.0 Designed Structures & Solutions OI - 33.4 Specialty Platform OI 12.8 194.6 Performance Products and Solutions OI 64.2 56.0 PolyOne Distribution OI 19.2 63.3 Sunbelt Joint Venture OI 102.9 - Corporate and eliminations (4.6) (52.4) Special items in OI 39.1 (30.0) Operating income GAAP 233.6 231.5 Sunbelt equity income (107.0) - Special items in OI (39.1) 30.0 Adjusted operating income $ 87.5 $ 261.5 Global Specialty Engineered Materials - OI % of sales 1.1% 9.3% Global Color, Additives and Inks - OI % of sales 1.7% 12.2% Designed Structures & Solutions - OI % of sales - 5.6% Specialty platform OI - % of sales 1.5% 9.4% PP&S operating OI - % of sales 5.5% 7.2% Distribution OI - % of sales 2.6% 5.9% PolyOne OI adjusted - % of sales 3.3% 6.9% * Historical results include the Resin and Specialty Coatings businesses within the Performance Products and Solutions segment.

In certain cases throughout this presentation, we have presented GAAP and non-GAAP financial measures adjusted to reflect full- year 2012 Pro forma results, including Spartech and Glasforms and excluding discontinued operations Platform operating income mix percentage 2005Y* 2008Y* 2010Y* 2013Y 2014 Q1 Global Specialty Engineered Materials $ 0.4 $ 17.6 $ 49.7 $ 57.2 $ 18.3 Global Color, Additives and Inks 4.3 28.1 37.7 104.0 30.4 Designed Structures and Solutions - - - 33.4 11.2 Specialty Platform $ 4.7 $ 45.7 $ 87.4 $ 194.6 $ 59.9 Performance Products and Solutions 75.7 31.3 54.0 56.0 16.0 Distribution 19.5 28.1 42.0 63.3 17.2 SunBelt Joint venture 91.9 28.6 18.9 - - Corporate (51.5) (425.1) (27.7) (82.4) (36.7) Operating income (loss) GAAP $ 140.3 $ (291.4) $ 174.6 $ 231.5 $ 56.4 Less: Corporate operating expense 51.5 425.1 27.7 82.4 36.7 Operating income excluding Corporate $ 191.8 $ 133.7 $ 202.3 $ 313.9 $ 93.1 Specialty platform operating mix percentage 2% 34% 43% 62% 64% * Historical results include the Resin and Specialty Coatings businesses within the Performance Products and Solutions segment. Adjusted EPS 2006Y* 2007Y* 2008Y* 2009Y* 2010Y 2011Y 2012Y 2013Y Net Income attributable to PolyOne common shareholders $ 130.9 $ 40.9 $ (417.0) $ 106.7 $ 152.5 $ 153.4 $ 53.3 $ 94.0 SunBelt equity earnings, after tax (68.5) (26.1) (20.8) (19.0) (14.7) (3.7) - - Special items, after tax (21.2) 41.4 310.0 (31.0) 15.8 (30.5) 35.7 30.4 Tax adjustments (30.0) (30.7) 147.2 (44.9) (88.3) (42.3) 0.5 2.2 Adjusted net income $ 11.2 $ 25.5 $ 19.4 $ 11.8 $ 65.3 $ 76.9 $ 89.5 $ 126.6 Diluted shares 92.8 93.1 92.7 93.4 96.0 94.3 89.8 96.5 Adjusted EPS $ 0.12 $ 0.27 $ 0.21 $ 0.13 $ 0.68 $ 0.82 $ 1.00 $ 1.31 * Historical results are shown as presented in prior filings and have not been updated to reflect subsequent changes in accounting principal or discontinued operations.

CMX2000-1 WHITE PLASTISOL CMX2000-40 ROYAL BLUE PLASTISOL CMX2000B-70 PURPLE PLASTISOL

IVY GREEN PLASTISOL CX-6161-D FOREST PLASTISOL CX-6220-A IVY GREEN PLASTISOL

PX-20478-A GREEN PLASTISOL PX-15421-D GREEN HOT DIP PLASTISOL PX-14377-A RIBBON BOND PLASTISOL