Specimen Common Stock Certificate for Builders FirstSource, Inc.

Summary

This document is a specimen certificate representing shares of common stock in Builders FirstSource, Inc., a Delaware corporation. It certifies ownership of fully paid and non-assessable shares, which can be transferred on the corporation's books by the holder or an authorized attorney upon proper endorsement and surrender of the certificate. The certificate is only valid when countersigned by the transfer agent and registrar. It includes instructions for transfer and assignment, as well as requirements for signature guarantees.

EX-4.2 3 e05301a3exv4w2.txt EX-4.2: FORM OF SPECIMEN CERTIFICATE Exhibit 4.2 COMMON STOCK COMMON STOCK INCORPORATED UNDER THE LAWS OF THE STATE OF DELAWARE SHARES [BUILDERS FIRSTSOURCE LOGO] SEE REVERSE FOR CERTAIN DEFINITIONS CUSIP 12008R 10 7 THIS CERTIFIES THAT IS THE OWNER OF FULLY PAID AND NON-ASSESSABLE SHARES OF THE COMMON STOCK, PAR VALUE $0.01 PER SHARE, OF CERTIFICATE OF STOCK Builders FirstSource, Inc. transferable on the books of the Corporation by the holder hereof in person or by duly authorized Attorney, upon surrender of this Certificate properly endorsed. This Certificate is not valid until countersigned and registered by the Transfer Agent and Registrar. Witness the facsimile seal of the Corporation and the facsimile signatures of its duly authorized officers. Dated: /s/ Donald F. McAleenan [BUILDERS FIRSTSOURCE, INC.] /s/ Floyd F. Sherman SECRETARY [CORPORATE SEAL 1998] PRESIDENT AND CEO [DELAWARE] COUNTERSIGNED AND REGISTERED: LASALLE BANK NATIONAL ASSOCIATION TRANSFER AGENT BY AND REGISTRAR AUTHORIZED SIGNATURE The following abbreviations, when used in the inscription on the face of this certificate, shall be construed as though they were written out in full according to applicable laws or regulations. TEN COM -- as tenants in common UNIF GIFT MIN ACT -- ____________ Custodian ___________ TEN ENT -- as tenants by the entireties (Cust) (Minor) JT TEN -- as joint tenants with right of under Uniform Gifts to Minors survivorship and not as tenants Act ______________________________ in common (State) UNIF TRF MIN ACT -- _________ Custodian (until age ____) (Cust) ___________ under Uniform Transfers (Minor) to Minors Act ______________________ (State)

Additional abbreviations may also be used though not in the above list. FOR VALUE RECEIVED, __________________ hereby sell, assign and transfer unto PLEASE INSERT SOCIAL SECURITY OR OTHER IDENTIFYING NUMBER OF ASSIGNEE ________________________________________ | | |________________________________________| ________________________________________________________________________________ (PLEASE PRINT OR TYPEWRITE NAME AND ADDRESS, INCLUDING ZIP CODE, OF ASSIGNEE) ________________________________________________________________________________ ________________________________________________________________________________ _________________________________________________________________________ Shares of the common stock represented by the within Certificate, and do hereby irrevocably constitute and appoint _______________________________________________________________________ Attorney to transfer the said stock on the books of the within named Corporation with full power of substitution in the premises. Dated __________________ X _____________________________________________________ X _____________________________________________________ THE SIGNATURE(S) TO THIS ASSIGNMENT MUST CORRESPOND NOTICE: WITH THE NAME(S) AS WRITTEN UPON THE FACE OF THE CERTIFICATE IN EVERY PARTICULAR, WITHOUT ALTERATION OR ENLARGEMENT OR ANY CHANGE WHATEVER. Signature(s) Guaranteed By ___________________________________________________ THE SIGNATURE(S) MUST BE GUARANTEED BY AN ELIGIBLE GUARANTOR INSTITUTION (BANKS, STOCKBROKERS, SAVINGS AND LOAN ASSOCIATIONS AND CREDIT UNIONS WITH MEMBERSHIP IN AN APPROVED SIGNATURE GUARANTEE MEDALLION PROGRAM), PURSUANT TO S.E.C. RULE 17Ad-15.