| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Marcon Rachel Barthelemy | President, Doors | ONE OWENS CORNING PARKWAY, TOLEDO | /s/ Katherine M. Serevitch, Attorney-in-Fact | 20 May 2025 | 0002066981 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | OC | $.01 Par Value Common | Sale | $197,324 | -1,357 | -10% | $145.41 | 12,089 | 16 May 2025 | Direct |