| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Moore Stephanie Zapata | EVP and General Counsel | 6555 SIERRA DRIVE, IRVING | /s/ Daniela Gutierrez, as Attorney-in-Fact | 26 Nov 2025 | 0001703634 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | VST | Common Stock | Sale | $1,424,764 | -8,219 | -9.3% | $173.35 | 79,854 | 24 Nov 2025 | Direct |
Exhibit 24. Power of Attorney