| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Williams Patrick | Director | 300 KIMBALL DRIVE, SUITE 101, PARSIPPANY | /s/ Achilles B. Kintiroglou for Patrick Williams | 01 Oct 2025 | 0001338883 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ASIX | Common Stock, par value $0.01 | Award | $13,120 | +677 | +2% | $19.38 | 34,965 | 30 Sep 2025 | Direct | F1, F2 |
| Id | Content |
|---|---|
| F1 | Represents the allocation of deferred compensation to the reporting person's deferred stock unit fund account under the AdvanSix Inc. Deferred Compensation Plan. Each unit allocated under the stock unit fund represents the economic equivalent of one share of common stock. Units are paid out in shares of AdvanSix Inc. common stock upon distribution. |
| F2 | Includes an additional 95 shares representing stock units credited as dividend equivalents in connection with unvested restricted stock units under the 2016 Stock Incentive Plan of AdvanSix Inc. and its Affiliates, as amended and restated, and deferred stock units under the AdvanSix Inc. Deferred Compensation Plan, which were acquired in transactions exempt from reporting under Rule 16a-11. |