Exhibit 4.1 luminant LUMINANT WORLDWIDE CORPORATION INCORPORATED UNDER THE LAWS OF THE STATE OF DELAWARE COMMON STOCK COMMON STOCK PAR VALUE $0.1 CUSIP 550260 10 3 SEE REVERSE FOR CERTAIN DEFINITIONS THIS CERTIFIES THAT IS THE OWNER OF FULLY PAID AND NONASSESSABLE SHARES OF THE COMMON STOCK LUMINANT WORLDWIDE 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 and the shares represented hereby are issued and shall be subject to all of the provisions of the Articles of Incorporation and By-Laws of the Corporation, each as from time to time amended, to all of which the holder by acceptance hereof assents. This Certificate is not valid until countersigned and registered by the Transfer Agent and Registrar. Dated: SEAL Secretary President Countersigned and Registered AMERICAN STOCK TRANSFER & TRUST COMPANY Transfer Agent and Registrar, By Authorized Officer LUMINANT WORLDWIDE CORPORATION 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 GIFTMIN ACT-Custodian ------------------ (Cust) (Minor) TEN ENT -as tenants by the entireties under Uniform Gifts to Minors JT TEN -as joint tenants with right of survivorship and not as tenants Act------------------ in common (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 postal zip code of assignee) - ------------------------------------------------------------------------------- - ------------------------------------------------------------------------------- - -----------------------------------------------------------------------Shares of the Common Stock represented by the within Certificate, and do hereby irrevocably constitutes 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: --------------- ----------------------------------- 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.