EXHIBIT 2.1 STOCK PURCHASE AGREEMENT (RESTRICTED SHARES) THIS STOCK PURCHASE AGREEMENT (this "Agreement") is made this 20th day of May, 1999, by and among Charles Mattis (the "Seller") and the individuals and entitites listed on SCHEDULE A attached...Stock Purchase Agreement • June 4th, 1999 • Central Oil Corp • Oil & gas field exploration services • Colorado
