| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Elsner Adrienne | Director | ONE OWENS CORNING PKWY, TOLEDO | /s/ Katherine M. Serevitch, Attorney-in-Fact | 23 Jan 2026 | 0001730611 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | OC | $.01 Par Value Common | Award | $13,975 | +112 | +0.63% | $124.68 | 17,801 | 21 Jan 2026 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Accrual of dividend equivalents on deferred stock units. |