EXHIBIT 2 STOCK PURCHASE AGREEMENT By and Between PATTERSON-UTI ENERGY, INC. as Purchaser and J. MARK ROPER as Seller Dated as of October 28, 2002 TABLE OF CONTENTSStock Purchase Agreement • October 31st, 2002 • Patterson Uti Energy Inc • Drilling oil & gas wells • Texas
Contract Type FiledOctober 31st, 2002 Company Industry Jurisdiction