| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Nimocks Suzanne P | Director | ONE OWENS CORNING PARKWAY, TOLEDO | /s/ Katherine M. Serevitch, Attorney-in-Fact | 10 Nov 2025 | 0001507902 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | OC | $.01 Par Value Common | Award | $14,779 | +141 | +0.4% | $104.94 | 34,978 | 06 Nov 2025 | Direct | F1 |
| transaction | OC | $.01 Par Value Common | Award | $45,535 | +437 | +1.2% | $104.20 | 35,415 | 07 Nov 2025 | Direct | F2 |
| Id | Content |
|---|---|
| F1 | Accrual of dividend equivalents on deferred stock units. |
| F2 | Deferred share portion of quarterly Director retainer/fees. |