| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Marchuk Neil Edward | EVP, CAO | 201 ISABELLA STREET SUITE 200, PITTSBURGH | /s/ Margaret Lam, Assistant Secretary (Attorney-in-Fact) | 05 Jan 2026 | 0001301291 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | HWM | Common Stock | Tax liability | $1,077,380 | -5,255 | -4% | $205.02 | 126,636 | 31 Dec 2025 | Direct | F1, F2 |
| holding | HWM | Common Stock | 10 | 31 Dec 2025 | By Trust | F3 |
| Id | Content |
|---|---|
| F1 | Represents payment of tax liability by delivering or withholding shares incident to the vesting of a stock award issued in accordance with Rule 16b-3. |
| F2 | Includes 32 shares acquired pursuant to dividend reinvestment since the date of the Reporting Person's last ownership report. |
| F3 | Shares held in a revocable trust, of which the reporting person is trustee and beneficiary, and has voting and investment power. |