Exhibit 4.1 PLANGRAPHICS, INC. SERIES A PREFERRED STOCK PURCHASE AGREEMENT Dated as of August 21, 2006 PLANGRAPHICS, INC. SERIES A PREFERRED STOCK PURCHASE AGREEMENT Dated as of August 21, 2006 TABLE OF CONTENTS -----------------Preferred Stock Purchase Agreement • August 25th, 2006 • Plangraphics Inc • Services-computer integrated systems design • Illinois
