Incorporated Under the Laws of the Sate of Iowa Number [Graphic Omitted] Shares MIRENCO, INC. COMMON STOCK WITHAOUT PAR VALUE THIS CERTIFIES THAT____________________________ is the registered holder of ___________________________________Shares of MIrenco, Inc. Common Stock without par value Transferable only on the books of the Corporation by the holder hereof in person or by Attorney upon surrender of this Certificate porperly 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. _____ SPECIMEN --------------------- --------------------- Secretary President