STOCK PURCHASE AGREEMENT By and Between Patterson-UTI Energy, Inc. as Purchaser and J. Mark Roper as Seller Dated as of October 28, 2002 2 TABLE OF CONTENTSStock Purchase Agreement • October 30th, 2002 • Roper J Mark • Drilling oil & gas wells • Texas
Contract Type FiledOctober 30th, 2002 Company Industry Jurisdiction
JOINT FILING AGREEMENTJoint Filing Agreement • June 19th, 2002 • Roper J Mark • Drilling oil & gas wells
Contract Type FiledJune 19th, 2002 Company IndustryThe undersigned, and each of them, do hereby agree and consent to the filing of a single statement on behalf of all of them on Schedule 13D and amendments thereto, in accordance with the provisions of Rule 13d-1(k)(1) of the Securities Exchange Act of 1934, as amended.