| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| ENGEL JOHN | Chairman, President & CEO | 225 WEST STATION SQUARE DRIVE, SUITE 700, PITTSBURGH | /s/ Michele Nelson, as Attorney-in-Fact | 28 Aug 2025 | 0001278669 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | WCC | Common Stock | Options Exercise | $7,850,063 | +125,001 | +26% | $62.80 | 600,972 | 26 Aug 2025 | Direct | |
| transaction | WCC | Common Stock | Disposed to Issuer | $7,850,143 | -34,660 | -5.8% | $226.49 | 566,312 | 26 Aug 2025 | Direct | |
| transaction | WCC | Common Stock | Tax liability | $8,898,792 | -39,290 | -6.9% | $226.49 | 527,022 | 26 Aug 2025 | Direct | |
| transaction | WCC | Common Stock | Sale | $2,362,830 | -10,501 | -2% | $225.01 | 516,521 | 27 Aug 2025 | Direct | F1 |
| transaction | WCC | Common Stock | Sale | $4,035,102 | -17,875 | -3.5% | $225.74 | 498,646 | 27 Aug 2025 | Direct | F2 |
| transaction | WCC | Common Stock | Sale | $3,684,531 | -16,240 | -3.3% | $226.88 | 482,406 | 27 Aug 2025 | Direct | F3 |
| transaction | WCC | Common Stock | Sale | $1,463,769 | -6,435 | -1.3% | $227.47 | 475,971 | 27 Aug 2025 | Direct | F4 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | WCC | Stock Appreciation Rights | Options Exercise | $0 | -125,001 | -100% | $0.000000 | 0 | 26 Aug 2025 | Common Stock | 125,001 | $62.80 | Direct | F5 |
| Id | Content |
|---|---|
| F1 | Represents weighted average sale price. These shares were sold in multiple transactions at prices ranging from $224.30 to $225.29. Upon request by the SEC, the Issuer or a stockholder of the Issuer, complete information regarding the number of shares sold at each price within the range will be provided. |
| F2 | Represents weighted average sale price. These shares were sold in multiple transactions at prices ranging from $225.30 to $226.27. Upon request by the SEC, the Issuer or a stockholder of the Issuer, complete information regarding the number of shares sold at each price within the range will be provided. |
| F3 | Represents weighted average sale price. These shares were sold in multiple transactions at prices ranging from $226.32 to $227.31. Upon request by the SEC, the Issuer or a stockholder of the Issuer, complete information regarding the number of shares sold at each price within the range will be provided. |
| F4 | Represents weighted average sale price. These shares were sold in multiple transactions at prices ranging from $227.32 to $227.62. Upon request by the SEC, the Issuer or a stockholder of the Issuer, complete information regarding the number of shares sold at each price within the range will be provided. |
| F5 | The Stock Appreciation Rights became exercisable in three (3) equal, annual installments beginning on the first anniversary of the February 13, 2018 grant date. |