| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Martin Paul Edward | Director | ONE OWENS CORNING PARKWAY, TOLEDO | /s/ Katherine M. Serevitch, Attorney-in-Fact | 10 Nov 2025 | 0001700415 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | OC | $.01 Par Value Common | Award | $4,618 | +44 | +0.66% | $104.94 | 6,737 | 06 Nov 2025 | Direct | F1 |
| transaction | OC | $.01 Par Value Common | Award | $41,993 | +403 | +6% | $104.20 | 7,140 | 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. |