Explore What's Possible Explore What's Possible

Stand out color and special effects engage consumers on the shelf Stand out color not only gets products noticed at retail, but can also help customers quickly locate their specific formulation on a shelf amidst the ever-expanding number of choices. GLS TPEs are designed to help you stand out from your competitors with reduced appliance movement and noise

Mevopur™ Healthcare Bio-based Polymer Solutions provide a unique family of color and additive concentrates based on polymers with 70-95 percent bio-content and pre-tested raw materials to help reduce carbon footprint and mitigate risk.

reSound™ BIO TPEs: contains 40 to 90 percent bio-based content within a wide hardness range (which can help reduce carbon footprint) and has performance characteristics that are comparable to standard TPEs

Mechanical property requirements: What are the strength, stiffness, and shear requirements for the application? Cost requirements: What is the budget for the application?

Each of such adjustments has not yet occurred, are out of Avient’s control and/or cannot be reasonably predicted. Three Months Ended December 31, 2023 2022 Reconciliation to Condensed Consolidated Statements of Income $ EPS(1) $ EPS(1) Net income (loss) from continuing operations attributable to Avient shareholders $ 27.8 $ 0.30 $ (17.0) $ (0.19) Special items, after tax (Attachment 3) 5.4 0.06 38.3 0.42 Amortization expense, after-tax 15.0 0.16 14.6 0.16 Adjusted net income / EPS $ 48.2 $ 0.52 $ 35.9 $ 0.39 (1) Per share amounts may not recalculate from figures presented herein due to rounding Year Ended December 31, 2023 2022 Reconciliation to Condensed Consolidated Statements of Income $ EPS(1) $ EPS(1) Net income from continuing operations attributable to Avient shareholders $ 75.8 $ 0.83 $ 82.8 $ 0.90 Special items, after tax (Attachment 3) 79.3 0.86 116.2 1.26 Amortization expense, after-tax 61.5 0.67 49.0 0.53 Adjusted net income / EPS $ 216.6 $ 2.36 $ 248.0 $ 2.69 (1) Per share amounts may not recalculate from figures presented herein due to rounding 1 Three Months Ended December 31, Year Ended December 31, Reconciliation to EBITDA and Pro Forma Adjusted EBITDA 2023 2022 2023 2022 Sales - GAAP $ 719.0 $ 790.4 $ 3,142.8 $ 3,396.9 Pro forma APM adjustments — — — 256.1 Pro forma adjusted sales $ 719.0 $ 790.4 $ 3,142.8 $ 3,653.0 Net income (loss) from continuing operations – GAAP $ 27.6 $ (16.6) $ 76.3 $ 83.1 Income tax (benefit) expense (7.0) (60.8) 11.0 (19.3) Interest expense 26.8 49.4 115.3 119.8 Depreciation and amortization from continuing operations 44.2 48.6 188.8 162.5 EBITDA from continuing operations $ 91.6 $ 20.6 $ 391.4 $ 346.1 Special items, before tax 22.4 104.3 114.6 194.0 Interest expense included in special items (0.1) (16.0) (2.3) (26.0) Depreciation and amortization included in special items — (1.5) (1.9) (5.5) Adjusted EBITDA $ 113.9 $ 107.4 $ 501.8 $ 508.6 APM pro forma adjustments - 8 months 2022* — — — 83.1 Pro forma adjusted EBITDA $ 113.9 $ 107.4 $ 501.8 $ 591.7 Pro forma adjusted EBITDA as a percent of sales 15.8 % 13.6 % 16.0 % 16.2 % * Pro forma adjustment for January - August 2022 APM results (period before Avient ownership).

Telephone:+64 9 914 5566

The mechanical properties change was found less than 5 percent and dimensional change is less than 2 percent.

Based on the risk of the proposed product or process change, Avient may advise the supplier what level of detail and planning is required. The extent of the controls may vary, depending on the nature and complexity of the product and processes, but should normally include:  Evaluation and qualification of sub-tier supplier facilities  Avient and/or Avient’s customer, where applicable  Control of nonconforming material  Corrective action and preventive action programs  A continuous quality improvement program Where appropriate and agreed upon by the supplier, Avient may specify what sub-tier suppliers may be used, evaluate and qualify the sub-tier supplier’s facilities, and assist the supplier in controlling the sub-tier supplier.

The production of PK emits up to 61 percent less carbon dioxide (CO2) than nylon.