# EDGAR Filing Document

**Accession Number:** 0001328581
**File Stem:** 0001140361-23-013632
**Filing Date:** 2023-3
**Character Count:** 2276
**Document Hash:** 40315495ee05deb3052e2fc3f6898957
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001140361-23-013632.hdr.sgml**: 20230324

**ACCESSION NUMBER**: 0001140361-23-013632

**CONFORMED SUBMISSION TYPE**: DEFA14A

**PUBLIC DOCUMENT COUNT**: 3

**FILED AS OF DATE**: 20230324

**DATE AS OF CHANGE**: 20230324

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** BOISE CASCADE Co
- **CENTRAL INDEX KEY:** 0001328581
- **STANDARD INDUSTRIAL CLASSIFICATION:** WHOLESALE-LUMBER & OTHER CONSTRUCTION MATERIALS [5030]
- **IRS NUMBER:** 201496201
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** DEFA14A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-35805
- **FILM NUMBER:** 23758384

**BUSINESS ADDRESS:**
- **STREET 1:** 1111 WEST JEFFERSON STREET, SUITE 300
- **STREET 2:** P. O. BOX 50
- **CITY:** BOISE
- **STATE:** ID
- **ZIP:** 83702
- **BUSINESS PHONE:** (208) 384-6161

**MAIL ADDRESS:**
- **STREET 1:** 1111 WEST JEFFERSON STREET, SUITE 300
- **STREET 2:** P. O. BOX 50
- **CITY:** BOISE
- **STATE:** ID
- **ZIP:** 83702

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** BOISE CASCADE, L.L.C.
- **DATE OF NAME CHANGE:** 20050527

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### UNITED STATES

### SECURITIES AND EXCHANGE COMMISSION

#### WASHINGTON, DC 20549

### SCHEDULE 14A

#### (Rule 14a-101)

#### INFORMATION REQUIRED IN PROXY STATEMENT

#### SCHEDULE 14A INFORMATION

#### Proxy Statement Pursuant to Section 14(a) of

#### the Securities Exchange Act of 1934 (Amendment No.  )

Filed by the Registrant ☒

Filed by a Party other than the Registrant ☐

Check the appropriate box:

☐ Preliminary Proxy Statement

☐ **Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))**

☐ Definitive Proxy Statement

☒ Definitive Additional Materials

☐ Soliciting Material Pursuant to §240.14a-12

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| |
|:---|
| **BOISE CASCADE COMPANY** |
| (Name of Registrant as Specified in its Charter) |
| (Name of Person(s) Filing Proxy Statement, if Other Than the Registrant) |
| Payment of Filing Fee (Check the appropriate box): |

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☒ No fee required <br> ☐ Fee paid previously with preliminary materials <br> ☐ Fee computed in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11

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