DAYTON SUPERIOR CORPORATION

This certifies that

is the owner of

FULLY PAID AND NON-ASSESSABLE SHARES OF THE COMMON STOCK, PAR VALUE $0.01 PER SHARE, OF

DAYTON SUPERIOR CORPORATION

(hereinafter the “Corporation”), 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:

COUNTERSIGNED AND REGISTERED:

AMERICAN STOCK TRANSFER & TRUST COMPANY

PLEASE INITIAL THE APPROPRIATE SELECTION FOR THIS PROOF:      OK AS IS       OK WITH CHANGES      MAKE CHANGES AND SEND ANOTHER PROOF

Colors Selected for Printing: LOGO IN EPS FORMAT AND PRINTS PROCESS BLUE, BLACK, 60% BLACK. Intaglio prints in SC-7 Dark Blue.

COLOR: This proof was printed from a digital file or artwork on a graphics quality, color laser printer. It is a good representation of the color as it will appear on the final product. However, it is not an exact color rendition, and the final printed product may appear slightly different from the proof due to the difference between the dyes and printing ink.

DAYTON SUPERIOR CORPORATION

The Corporation will furnish without charge to each stockholder who so requests a statement of the powers, designations, preferences, and relative, participating, optional or other special rights of each class of stock or series thereof of the Corporation, and the qualifications, limitations or restrictions of such preferences and/or rights.

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:

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

KEEP THIS CERTIFICATE IN A SAFE PLACE. IF IT IS LOST, STOLEN, MUTILATED OR DESTROYED, THE CORPORATION WILL REQUIRE A BOND OF INDEMNITY AS A CONDITION TO THE ISSUANCE OF A REPLACEMENT CERTIFICATE.

NOTICE: The signature to this assignment must correspond with the name as written upon the face of the Certificate, in every particular, without alteration or enlargement, or any change whatever.

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