Exhibit 4.1 INCORPORATED UNDER THE LAWS OF THE STATE OF DELAWARE NUMBER SHARES MAINCONTROL, INC. AUTHORIZED TO ISSUE 215,000,000 SHARES 200,000,000 SHARES COMMON STOCK 15,000,000 SHARES PREFERRED STOCK PAR VALUE $.001 PER SHARE PAR VALUE $.001 PER SHARE This Certifies that _____________________________________ is the registered holder of ______________________________Shares of the capital stock of the above named corporation, fully paid and non-assessable, transferable only on the books of the Corporation by the holder hereof in person or by Attorney upon surrender of this Certificate properly endorsed. In Witness Whereof, the said Corporation has caused this Certificate to be signed by its duly authorized officers and its Corporate Seal to be hereunto affixed this __________ day of __________________A.D. 19__ __________________________ ___________________________ SECRETARY PRESIDENT 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..... (Cust) (Minor) TEN ENT - as tenants by the entireties under Uniform Gifts to Minors JT TEN - as joint tenants with right of Act.......................... survivorship and not as tenants (State) in common Additional abbreviations may also be used though not in the above list. For Value Received, _____ hereby sell, assign and transfer unto ________________ _______________________________________________________________________________ Shares represented by the within Certificate, and do hereby irrevocably constitute and appoint. ______________________________________________________________________ Attorney so transfer the said Shares on the books of the within named Corporation with full power of substitution in the premises. Dated ____________________________ 19 __ In presence of _____________________________________ ________________________________________ NOTICE. THE SIGNATURE OF 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.