We are focused on executing what we can influence, which includes staying close to our customers, winning share and new business, proactively working to offset raw material or tariff-related inflation, controlling our costs and strengthening our balance sheet. 2) Tax adjustments include the net tax impact from non-recurring income tax items and certain adjustments to uncertain tax position reserves and valuation allowances. 9 Attachment 4 Avient Corporation Condensed Consolidated Balance Sheets (In millions) (Unaudited) March 31, 2025 December 31, 2024 ASSETS Current assets: Cash and cash equivalents $ 456.0 $ 544.5 Accounts receivable, net 489.6 399.5 Inventories, net 372.8 346.8 Other current assets 111.9 131.3 Total current assets 1,430.3 1,422.1 Property, net 951.8 955.3 Goodwill 1,684.0 1,659.7 Intangible assets, net 1,464.5 1,450.4 Other non-current assets 280.6 323.6 Total assets $ 5,811.2 $ 5,811.1 LIABILITIES AND SHAREHOLDERS' EQUITY Current liabilities: Short-term and current portion of long-term debt $ 7.8 $ 7.7 Accounts payable 422.2 417.4 Accrued expenses and other current liabilities 268.2 331.0 Total current liabilities 698.2 756.1 Non-current liabilities: Long-term debt 2,061.3 2,059.3 Deferred income taxes 268.0 260.4 Other non-current liabilities 469.3 405.7 Total non-current liabilities 2,798.6 2,725.4 SHAREHOLDERS' EQUITY Avient shareholders’ equity 2,298.3 2,313.8 Noncontrolling interest 16.1 15.8 Total equity 2,314.4 2,329.6 Total liabilities and equity $ 5,811.2 $ 5,811.1 10 Attachment 5 Avient Corporation Condensed Consolidated Statements of Cash Flows (Unaudited) (In millions) Three Months Ended March 31, 2025 2024 Operating activities Net (loss) income $ (19.9) $ 49.7 Adjustments to reconcile net (loss) income to net cash used by operating activities: Depreciation and amortization 45.3 44.3 Cloud-based enterprise resource planning system impairment 71.6 — Share-based compensation expense 2.4 3.3 Changes in assets and liabilities: Increase in accounts receivable (83.7) (81.9) Increase in inventories (20.3) (12.3) (Decrease) increase in accounts payable (1.0) 1.7 Environmental insurance recovery 34.0 — Decrease in incentive accruals (53.1) (16.8) Accrued expenses and other assets and liabilities, net (26.4) (30.8) Net cash used by operating activities (51.1) (42.8) Investing activities Capital expenditures (12.5) (24.4) Proceeds from plant closures — 2.0 Other investing activities — (2.1) Net cash used by investing activities (12.5) (24.5) Financing activities Payments on long-term borrowings — (2.7) Cash dividends paid (24.7) (23.5) Other financing activities (3.6) (1.9) Net cash used by financing activities (28.3) (28.1) Effect of exchange rate changes on cash 3.4 (6.1) Decrease in cash and cash equivalents (88.5) (101.5) Cash and cash equivalents at beginning of year 544.5 545.8 Cash and cash equivalents at end of period $ 456.0 $ 444.3 11 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.

Buyer acknowledges that Seller has furnished to Buyer Safety Data Sheets, which include warnings together with safety and health information concerning the Product and/or the containers for such Product. In the event of invalidity of a provision of these Terms, the parties shall deem that provision stricken in its entirety and the balance of these Terms shall remain in full force and effect.

S&P 500 All time high of $42.47 June 6th, 2014 PolyOne Corporation Page 9 2006 Q1 2014 2015 “Where we were” “Where we are” Target 1) Operating Income % Specialty: Global Color, Additives & Inks 1.7% 13.8% 12 – 16% Global Specialty Engineered Materials 1.1% 11.6% 12 – 16% Designed Structures & Solutions -- 6.5% 8 – 10% Performance Products & Solutions 5.5% 7.7% 9 – 12% Distribution 2.6% 6.1% 6 – 7.5% 2) Specialty Platform % of Operating Income 6.0% 64% 65 – 75% 3) ROIC* 5.0% 9.4% 15% 4) Adjusted EPS Growth N/A 42% Double Digit Expansion Proof of Performance & 2015 Goals *ROIC is defined as TTM adjusted OI divided by the sum of average debt and equity over a 5 quarter period PolyOne Corporation Page 10 Bridge to $2.50 Adjusted EPS by 2015 2015 EPS: $2.50 2013 EPS: $1.31 Continued Gross Margin Expansion Mergers & Acquisitions Spartech Accretion Incremental Share Buybacks Ongoing LSS Programs (50-100 bps/yr) Accelerated Innovation & Mix Improvement Several Levers to Drive Growth Mid Single Digit Revenue CAGR PolyOne Corporation Page 11 Innovation Drives Earnings Growth *Percentage of Specialty Platform revenue from products introduced in last five years $20 $53 2006 2013 Research & Development Spending ($ millions) Specialty Platform Vitality Index Progression* 14.3% 30.7% 2006 2013 Specialty Platform Gross Margin % 19.5% 43.0% 2006 2013 Specialty Vitality Index Target ≥ 35% PolyOne Corporation Page 12 Healthcare Consumer Packaging and Additive Technology Transportation Unique and Innovative Solutions https://www.dropbox.com/sh/dwe4t8aacvhb8ui/uD3p_bdglP/Presentation revise pics/GLS Beverage can closure XO 2.jpg https://www.dropbox.com/sh/dwe4t8aacvhb8ui/-YgkycKypw/Anti-Counterfeiting release & images/GN1979.JPG PolyOne Corporation Page 13 Megatrends Aligned with Key End Markets Decreasing Dependence on Fossil Fuels Protecting the Environment Improving Health and Wellness Megatrend End Markets Globalizing and Localizing Health & Wellness Transportation Packaging Consumer PolyOne Corporation Page 14 60% 100% 20% 30% 40% 50% 60% 70% 80% 90% 100% 2008 2014 Pension Funding** As of March 31, 2014 Debt Maturities & Pension Funding – 3/31/14 Net Debt / EBITDA* = 1.9x $48 $317 $600 $0 $100 $200 $300 $400 $500 $600 $700 $800 2015 2020 2023 Debt Maturities As of March 31, 2014 ($ millions) Coupon Rates: 7.500% 7.375% 5.250% ** includes US-qualified pension plans only *TTM 3/31/2014 PolyOne Corporation Page 15 Free Cash Flow and Strong Balance Sheet Fund Investment / Shareholder Return $0.16 $0.20 $0.24 $0.32 $0.10 $0.20 $0.30 $0.40 2011 2012 2013 2014 Annual Dividend  Expanding our sales, marketing, and technical capabilities  Targets that expand our: • Specialty offerings • End market presence • Geographic footprint • Operating Margin  Synergy opportunities  Adjacent material solutions  Repurchased 1.4 million shares in Q1 2014  Repurchased 6.4 million shares since April 2013  13.6 million shares are available for repurchase under the current authorization Organic Growth Acquisitions Share Repurchases Dividends  Investing in operational and LSS initiatives (including synergy capture)  Manufacturing alignment PolyOne Corporation Page 16 Formula for Success Innovation Market Beating Performance Excellence in Execution PolyOne Corporation Page 17 The New PolyOne: A Specialty Growth Company Why Invest In PolyOne?

Material selection doesn't have to be a tricky balancing act between over-engineering and under-performance.

The best solution for IR dryers is to balance dryer belt speed and temperature settings to provide the lowest amount of heat exposure that will result in successfully cured prints. 

The material solution, Avient’s OnFlex-S EH UV TPE, offers an outstanding balance of processability, tactile qualities, UV resistance, abrasion resistance and colorability that capably satisfies the application’s requirements.

Gating from the thickest area of your part to the thinnest area of your part is the optimal way to fill, and balancing your runners will create part consistency in all cavities.

In addition, Maxxam™ XST materials offer an exceptional balance of stiffness and impact performance for automotive interior design, even in cold temperatures.

EPIC Rio inks are PANTONE® approved, with an extended color range of 18 single pigment finished ink mixing components, which balance color accuracy, vibrancy and opacity for peak press performance and color design. 

Following the mass balance chain-of-custody approach, the amount of bio-based content is tracked through segregated bookkeeping and provided in the sustainability declaration for the Mevopur healthcare bio-based portfolio.