Sec Form 4 Filing - MENCOFF SAMUEL M @ BOISE CASCADE Co - 2013-11-14

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person MENCOFF SAMUEL M 2. Issuer Name and Ticker or Trading Symbol BOISE CASCADE Co [ BCC] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director X __ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) C/O MADISON DEARBORN PARTNERS, LLC, 70 W. MADISON STREET, SUITE 4600 3. Date of Earliest Transaction (MM/DD/YY) 11/14/2013 (Street) CHICAGO, IL60602 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) _____ Form filed by One Reporting Person __ X __ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock, par value $0.01 per share 11/14/2013 S 8,050,000 ( 1 ) D $ 21.6 7,785,938 I See Footnotes ( 2 ) ( 3 )

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other MENCOFF SAMUEL M C/O MADISON DEARBORN PARTNERS, LLC 70 W. MADISON STREET, SUITE 4600 CHICAGO, IL60602 X X SOULELES THOMAS S C/O MADISON DEARBORN PARTNERS, LLC 70 W. MADISON STREET, SUITE 4600 CHICAGO, IL60602 X X MADISON DEARBORN PARTNERS LLC C/O MADISON DEARBORN PARTNERS, LLC 70 W. MADISON STREET, SUITE 4600 CHICAGO, IL60602 X X MADISON DEARBORN PARTNERS IV LP C/O MADISON DEARBORN PARTNERS, LLC 70 W. MADISON STREET, SUITE 4600 CHICAGO, IL60602 X X MADISON DEARBORN CAPITAL PARTNERS IV LP C/O MADISON DEARBORN PARTNERS, LLC 70 W. MADISON STREET, SUITE 4600 CHICAGO, IL60602 X X FINNEGAN PAUL J C/O MADISON DEARBORN PARTNERS, LLC 70 W. MADISON STREET, SUITE 4600 CHICAGO, IL60602 X X FOREST PRODUCTS HOLDINGS, L.L.C. C/O MADISON DEARBORN PARTNERS, LLC 70 W. MADISON STREET, SUITE 4600 CHICAGO, IL60602 X X Signatures Samuel M. Mencoff, by /s/ John T. Sahlberg, Attorney in Fact 11/14/2013 Signature of Reporting Person Date Thomas S. Souleles, by /s/ John T. Sahlberg, Attorney in Fact 11/14/2013 Signature of Reporting Person Date Forest Products Holdings, L.L.C., by /s/ John T. Sahlberg, Senior Vice President and General Counsel 11/14/2013 Signature of Reporting Person Date Madison Dearborn Partners, LLC, by /s/ John T. Sahlberg, Attorney-in-Fact for Mark B. Tresnowski, Managing Director 11/14/2013 Signature of Reporting Person Date Madison Dearborn Partners IV, L.P., by Madison Dearborn Partners, LLC, its General Partner, by /s/ John T. Sahlberg, Attorney-in-Fact for Mark B. Tresnowski, Managing Director 11/14/2013 Signature of Reporting Person Date Madison Dearborn Capital Partners IV, L.P., by Madison Dearborn Partners IV, L.P., its General Partner, by Madison Dearborn Partners, LLC, its General Partner, by /s/ John T. Sahlberg, Attorney-in-Fact for Mark B. Tresnowski, Managing Director 11/14/2013 Signature of Reporting Person Date Paul J. Finnegan, by /s/ John T. Sahlberg, Attorney-in-Fact 11/14/2013 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Represent shares of Boise Cascade Company common stock ("Common Stock") sold in an underwritten secondary offering. ( 2 )Boise Cascade Holdings, L.L.C. ("BC Holdings") is the record owner of the shares of Common Stock set forth herein. Forest Products Holdings, L.L.C. ("FPH") holds a majority of the voting common units of BC Holdings and has the right to appoint a majority of the members of the board of directors of BC Holdings. Madison Dearborn Capital Partners IV, L.P. (''MDCP IV'') is the controlling equityholder of FPH. Madison Dearborn Partners IV, L.P. (''MDP IV'') is the general partner of MDCP IV. Madison Dearborn Partners, LLC (''MDP'') is the general partner of MDP IV. Paul J. Finnegan and Samuel M. Mencoff are the sole members of a limited partner committee of MDP IV that has the power to vote or dispose of the equity units held by MDCP IV and are investors in MDP IV. Thomas S. Souleles is a managing director of MDP. Each of Messrs. Finnegan, Mencoff and Souleles are also investors in MDP IV and/or MDCP IV. ( 3 )Each of FPH, MDCP IV, MDP IV, MDP and Messrs. Finnegan, Mencoff and Souleles may be deemed to have an indirect pecuniary interest in the shares of common stock held of record by BC Holdings. Each of the foregoing persons expressly disclaims beneficial ownership of the reported securities, except to the extent of such person's respective pecuniary interest therein.

Remarks: Each of FPH, MDCP IV, MDP IV, MDP and Mr. Finnegan may be deemed a director by deputization as a result of Samuel M. Mencoff, Thomas S. Souleles and Matthew W. Norton, employees of MDP, serving on the board of directors of Boise Cascade Company.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

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