| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Twedt Jill | SVP General Counsel & Corp Sec | C/O BOISE CASCADE COMPANY, 1111 WEST JEFFERSON STREET, SUITE 300, BOISE | /s/ Jill M. Twedt | 03 Mar 2026 | 0001765114 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | BCC | Common Stock, par value $0.01 | Award | $0 | +4,472 | +14% | $0.000000 | 36,737 | 01 Mar 2026 | Direct | F1 |
| transaction | BCC | Common Stock, par value $0.01 | Tax liability | $335,676 | -4,057 | -11% | $82.74 | 32,680 | 01 Mar 2026 | Direct | F2 |
| transaction | BCC | Common Stock, par value $0.01 | Tax liability | $130,812 | -1,581 | -4.8% | $82.74 | 31,099 | 01 Mar 2026 | Direct | F3 |
| Id | Content |
|---|---|
| F1 | Represents shares underlying 2026 restricted stock unit award. Shares will be deliverable in three equal tranches on March 1, 2027, 2028 and 2029. |
| F2 | PSU Shares withheld for taxes due on awards vesting. |
| F3 | RSU Shares withheld for taxes due on awards vesting. |