| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Hershey Mark A | SVP & Chief Operating Officer | C/O ARMSTRONG WORLD INDUSTRIES, INC., 2500 COLUMBIA AVENUE, LANCASTER | /s/ Alan M. Kidd, Attorney-in-fact | 02 Mar 2026 | 0001322386 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | AWI | Common Stock | Options Exercise | $612,802 | +3,532 | +6.4% | $173.50 | 58,509 | 27 Feb 2026 | Direct | F1 |
| transaction | AWI | Common Stock | Tax liability | $228,326 | -1,316 | -2.2% | $173.50 | 57,193 | 27 Feb 2026 | Direct | F2 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | AWI | Restricted Stock Units | Options Exercise | -3,532 | -100% | 0 | 27 Feb 2026 | Common Stock | 3,532 | Direct | F1, F3, F4 |
| Id | Content |
|---|---|
| F1 | Restricted Stock Units convert into common stock on a one-for-one basis. |
| F2 | Represents the number of shares withheld by the Issuer to satisfy the Reporting Person's tax obligations incurred upon the vesting of certain restricted stock units granted to the Reporting Person under the 2022 Equity and Cash Incentive Plan. |
| F3 | On March 1, 2023, the Reporting Person was granted 3,532 Restricted Stock Units, which vest on the third anniversary of the grant (contingent upon the Reporting Person's employment with the Issuer on the scheduled vesting date, except as provided for under the Issuer's 2022 Equity and Cash Incentive Plan). |
| F4 | Price of Derivative Security is $0. |