Boise Cascade Co.

BCC·NYSE·$68.10Share Price as of 11/2·$2BMarket Cap as of 11/2

Financials

10-QQ2 ended 06/30/2608/03/26 10-QQ1 ended 03/31/2605/04/26 10-KFY 202502/24/26 10-QQ3 ended 09/30/2511/03/25 10-QQ2 ended 06/30/2508/04/25

Disclosures

8-KCurrent report10/29/26 8-KCurrent report08/03/26 8-KCurrent report07/30/26 8-KCurrent report05/04/26 8-KCurrent report05/01/26

Prospectuses and Registrations

S-8Registration of securities for employees05/06/25 S-8Registration of securities for employees08/08/16 424B4Prospectus11/08/13 S-1/ARegistration statement (amended)11/04/13 424B3Prospectus10/28/13

Proxies

DEF 14ADefinitive proxy03/17/26 DEFA14AAdditional proxy materials03/17/26 DEF 14ADefinitive proxy03/21/25 DEFA14AAdditional proxy materials03/21/25 DEF 14ADefinitive proxy03/21/24

Ownership

Form 3Initial insider ownership10/28/26 Form 4Insider transaction10/28/26 144Proposed sale of securities08/27/26 Form 4Insider transaction08/27/26 SC 13G/ABeneficial ownership (amended)08/13/26

Other

SDConflict Minerals disclosure05/20/26 ARSAnnual report to shareholders03/17/26 SDConflict Minerals disclosure05/19/25 ARSAnnual report to shareholders03/21/25 SDConflict Minerals disclosure05/30/24