Results of Operations and Financial Condition. On August 3, 2026, Boise Cascade Company ("Boise Cascade" or the "Company") issued a press release announcing its second quarter 2026 financial results, a copy of which is furnished as Exhibit 99.1 to this Report on Form 8-K. Additionally, Exhibit 99.2, a copy of which is attached hereto, includes certain statistical information related to the Company's quarterly performance.

Regulation FD Disclosure. On July 30, 2026, Boise Cascade Company ("Boise Cascade" or the "Company") issued a press release announcing that its board of directors had declared a quarterly dividend of $0.23 per share to holders of its common stock, payable on September 16, 2026 to stockholders of record on September 1, 2026. The press release is furnished hereto as Exhibit 99.1 and incorporated by reference into this

Results of Operations and Financial Condition. On May 4, 2026, Boise Cascade Company ("Boise Cascade" or the "Company") issued a press release announcing its first quarter 2026 financial results, a copy of which is furnished as Exhibit 99.1 to this Report on Form 8-K. Additionally, Exhibit 99.2, a copy of which is attached hereto, includes certain statistical information related to the Company's quarterly performance.

Regulation FD Disclosure. On April 30, 2026, Boise Cascade Company ("Boise Cascade" or the "Company") issued a press release announcing that its board of directors had declared a quarterly dividend of $0.22 per share to holders of its common stock, payable on June 17, 2026 to stockholders of record on June 1, 2026. The press release is furnished hereto as Exhibit 99.1 and incorporated by reference into this

Results of Operations and Financial Condition. On February 23, 2026, Boise Cascade Company ("Boise Cascade" or the "Company") issued a press release announcing its fourth quarter and full year 2025 financial results, a copy of which is furnished as Exhibit 99.1 to this Report on Form 8-K. Additionally, Exhibit 99.2, a copy of which is attached hereto, includes certain statistical information related to the Company's quarterly performance.

Regulation FD Disclosure. On February 6, 2026, Boise Cascade Company ("Boise Cascade" or the "Company") issued a press release announcing that its board of directors had declared a quarterly dividend of $0.22 per share to holders of its common stock, payable on March 18, 2026 to stockholders of record on February 23, 2026. The press release is furnished hereto as Exhibit 99.1 and incorporated by reference into this

CEO — Nate Jorgensen: The CEO is retiring with a named internal successor (COO) already appointed, representing an orderly succession rather than a sudden loss of leadership.

Results of Operations and Financial Condition. On November 3, 2025, Boise Cascade Company ("Boise Cascade" or the "Company") issued a press release announcing its third quarter 2025 financial results, a copy of which is furnished as Exhibit 99.1 to this Report on Form 8-K. Additionally, Exhibit 99.2, a copy of which is attached hereto, includes certain statistical information related to the Company's quarterly performance.

Other Events. On October 30, 2025, the Company issued a press release announcing that its board of directors authorized a new share repurchase program of up to $300 million of the Company's common stock. This replaces the prior share repurchase authorization. From January 1, 2025 to October 30, 2025, the Company repurchased 1.25 million shares of its common stock at a cost of approximately $120 million. The press release is furnished hereto as Exhibit 99.1 and incorporated by reference into this

Regulation FD Disclosure. On October 30, 2025, Boise Cascade Company ("Boise Cascade" or the "Company") issued a press release announcing that its board of directors had declared a quarterly dividend of $0.22 per share to holders of its common stock, payable on December 17, 2025 to stockholders of record on December 1, 2025. The press release is furnished hereto as Exhibit 99.1 and incorporated by reference into this

Results of Operations and Financial Condition. On August 4, 2025, Boise Cascade Company ("Boise Cascade" or the "Company") issued a press release announcing its second quarter 2025 financial results, a copy of which is furnished as Exhibit 99.1 to this Report on Form 8-K. Additionally, Exhibit 99.2, a copy of which is attached hereto, includes certain statistical information related to the Company's quarterly performance.

Regulation FD Disclosure. On July 31, 2025, Boise Cascade Company ("Boise Cascade" or the "Company") issued a press release announcing that its board of directors had declared a quarterly dividend of $0.22 per share to holders of its common stock, payable on September 17, 2025 to stockholders of record on September 2, 2025. The press release is furnished hereto as Exhibit 99.1 and incorporated by reference into this

Results of Operations and Financial Condition. On May 5, 2025, Boise Cascade Company ("Boise Cascade" or the "Company") issued a press release announcing its first quarter 2025 financial results, a copy of which is furnished as Exhibit 99.1 to this Report on Form 8-K. Additionally, Exhibit 99.2, a copy of which is attached hereto, includes certain statistical information related to the Company's quarterly performance.

Regulation FD Disclosure. On May 1, 2025, Boise Cascade Company ("Boise Cascade" or the "Company") issued a press release announcing that its board of directors had declared a quarterly dividend of $0.21 per share to holders of its common stock, payable on June 18, 2025 to stockholders of record on June 2, 2025. The press release is furnished hereto as Exhibit 99.1 and incorporated by reference into this

Termination of a Material Definitive Agreement. On April 14, 2025, in connection with the entry into the Credit Agreement described above, the Company terminated the Amended and Restated Credit Agreement, dated May 15, 2015, by and among the Lenders identified on the signature pages thereof, Wells Fargo Capital Finance, LLC, as the administrative agent, Boise Cascade Company, and the other Borrowers identified on the signature pages thereof, as amended (the “Prior Credit Agreement”), which pr…

Entry Into a Material Definitive Agreement. On April 14, 2025, Boise Cascade Company (the “Company”) entered into a Credit Agreement (the “Credit Agreement”) with JPMorgan Chase Bank, N.A., as administrative agent and a lender, and the other lenders from time to time party thereto. The Credit Agreement provides for a $450.0 million revolving loan (the “Revolver”), which includes a $45.0 million swingline sub-facility and a $75.0 million letter of credit sub-facility. Borrowings under the Revo…

Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant. The information set forth under

Results of Operations and Financial Condition. On February 20, 2025, Boise Cascade Company ("Boise Cascade" or the "Company") issued a press release announcing its fourth quarter and full year 2024 financial results, a copy of which is furnished as Exhibit 99.1 to this Report on Form 8-K. Additionally, Exhibit 99.2, a copy of which is attached hereto, includes certain statistical information related to the Company's quarterly performance.

Executive Vice President — Joanna Barney: The filing announces the internal promotion of a long-tenured employee to the role of Executive Vice President, which is a succession event rather than a departure.

Regulation FD Disclosure. On February 7, 2025, Boise Cascade issued a press release announcing that its board of directors had declared a quarterly dividend of $0.21 per share to holders of its common stock, payable on March 19, 2025 to stockholders of record on February 24, 2025. The press release is furnished hereto as Exhibit 99.1 and incorporated by reference into this

COO — Jeff Strom: The filing announces the internal promotion of a long-tenured executive to the Chief Operating Officer role, which is a succession event rather than a departure.

Results of Operations and Financial Condition. On November 4, 2024, Boise Cascade Company ("Boise Cascade" or the "Company") issued a press release announcing its third quarter 2024 financial results, a copy of which is furnished as Exhibit 99.1 to this Report on Form 8-K. Additionally, Exhibit 99.2, a copy of which is attached hereto, includes certain statistical information related to the Company's quarterly performance.

Other Events. On October 30, 2024, the Company issued a press release announcing that its board of directors authorized the repurchase of an additional 1.4 million shares of the Company's common stock under the Company's existing common stock repurchase program (the Program). From January 1, 2024 to October 30, 2024, the Company repurchased 1.28 million shares under the Program at a cost of approximately $165 million. This authorization replenishes the Program, bringing the total repurchase a…

Regulation FD Disclosure. On October 30, 2024, Boise Cascade Company (the Company) issued a press release announcing that its board of directors had declared a quarterly dividend of $0.21 per share to holders of its common stock, payable on December 18, 2024 to stockholders of record on December 2, 2024. The press release is furnished hereto as Exhibit 99.1 and incorporated by reference into this

Results of Operations and Financial Condition. On August 5, 2024, Boise Cascade Company ("Boise Cascade" or the "Company") issued a press release announcing its second quarter 2024 financial results, a copy of which is furnished as Exhibit 99.1 to this Report on Form 8-K. Additionally, Exhibit 99.2, a copy of which is attached hereto, includes certain statistical information related to the Company's quarterly performance.