| 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 | 06 Aug 2025 | 0001765114 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | BCC | Common Stock, par value $0.01 | Sale | $149,635 | -1,782 | -5.1% | $83.97 | 32,867 | 06 Aug 2025 | Direct | |
| transaction | BCC | Common Stock, par value $0.01 | Gift | $0 | -602 | -1.8% | $0.000000 | 32,265 | 06 Aug 2025 | Direct |