Aug 01, 2025 Jul 10, 2025 Jul 07, 2025

Additionally, Adjusted EPS excludes the impact of special items and amortization expense associated with intangible assets.2 T RAN S FO R MAT IO NAL OVE RV IE W Avient Protective Materials Dyneema ® RECENT TRANSACTIONS Acquired Divested $1.45 B $0.95 B 4 Distribution UPDATED CAPITAL STRUCTURE & LIQUIDITY • Proceeds from completed sale of Distribution used to pay near-term maturing debt to strengthen balance sheet • Fixed/floating debt ratio of ~55/45 • Proven track record of deleveraging following major acquisitions through strong free cash flow generation • 2022 pro forma net debt/adjusted EBITDA expected to be 3.1x $725 $725 $575 $500 $600 $525 $650 $650 $600 Capital Structure Cash $544 Undrawn Revolver $250 Liquidity $3.15B $2.40B 2030 Notes 2029 Term Loan 2026 Term Loan 2025 Notes 2023 Notes After Dyneema Acquisition After Distribution Divestiture $794M (1) (1) $250M reflects estimated undrawn revolver following the divestiture of Distribution 5 PREVIOUS TRANSACTIONS Performance Solutions Products & $0.8 B COLOR $1.4 B Acquired (2020)Divested (2019) 6 • Acquisition of Clariant Color business significantly expanded presence in healthcare, packaging and consumer end markets • Strength of portfolio – double-digit annual EBITDA growth since acquisition • $75 million of realized synergies anticipated in 2022 • Acquisition completed on July 1, 2020 for $1.45 billion.

For the same reasons, Avient is unable to address the probable significance of the unavailable information. 2 3 Q3 2024 HIGHLIGHTS • 8.5% organic sales growth driven by broad-based growth across all regions and most end markets in both CAI and SEM segments • Growth stemmed from gaining share, winning new product specifications and restocking in certain end markets • Both segments expanded YoY EBITDA margins by 40 bps each • Adjusted EPS of $0.65, an increase of 14% vs the prior year • Successfully refinanced $650M outstanding senior notes due 2025; extending maturity to 2031 • Increased dividend 5% to $1.08 on an annualized basis; 14th consecutive increase Adj.

The Compensation Committee maintained adjusted EPS as the performance measure for the 2023-2025 cash-settled performance unit awards in order to drive improvements in shareholder value. COMPENSATION DISCUSSION AND ANALYSIS 52 PROXY STATEMENT 2024 | Annual Meeting of Shareholders Performance Period Weighting January 1, 2023 through December 31, 2023 25% January 1, 2024 through December 31, 2024 25% January 1, 2025 through December 31, 2025 25% January 1, 2023 through December 31, 2025 25% The attainment level for the cash-settled performance units will be certified at the end of the total three- year performance period. If the date of the 2025 Annual Meeting is delayed by more than 60 calendar days after the anniversary of the Annual Meeting, then a shareholder’s notice must be delivered to our principal executive offices not later than the close of business on the later of the 90th calendar day prior to the 2025 Annual Meeting or the 10th calendar day following the day on which public announcement of the date of the 2025 Annual Meeting is first made.

First Quarter 2025 Results Avient Announces First Quarter 2025 Results Avient Announces Second Quarter 2025 Results

SL-BK 2025

MM488 LD RAM 2025 TYPE (NCS color)

PC FR-2025 Masterbatch

MM488 WHITE 2025 TYPE

MM488 Light Brown 2025 (S6020-Y40R)