1 EXHIBIT 99.1 COMMON STOCK PURCHASE AGREEMENTCommon Stock Purchase Agreement • May 24th, 2001 • Wedge Energy Services LLC • Drilling oil & gas wells • Texas
VOTING AGREEMENTVoting Agreement • May 18th, 2000 • Wedge Energy Services LLC • Drilling oil & gas wells
WITNESSETH:Registration Rights Agreement • May 24th, 2001 • Wedge Energy Services LLC • Drilling oil & gas wells • Texas
EXHIBIT 99.1 REGISTRATION RIGHTS AGREEMENT THIS REGISTRATION RIGHTS AGREEMENT (this "Agreement") is made and entered into effective as of the _____ day of February, 2000, by and among SOUTH TEXAS DRILLING & EXPLORATION, INC., a Texas corporation (the...Registration Rights Agreement • February 25th, 2000 • Wedge Energy Services LLC • Drilling oil & gas wells • Texas
EXHIBIT 99.3 JOINT FILING AGREEMENT The undersigned each agree that the Statement on Schedule 13D relating to the Common Stock, $.10 par value, of South Texas Drilling & Exploration, Inc. is adopted and filed on behalf of each of them, (ii) all future...Joint Filing Agreement • February 25th, 2000 • Wedge Energy Services LLC • Drilling oil & gas wells
EXHIBIT 99.2 JOINT FILING AGREEMENT The undersigned each agree that the Statement on Schedule 13D relating to the Common Stock, $.10 par value, of South Texas Drilling & Exploration, Inc. is adopted and filed on behalf of each of them, (ii) all future...Joint Filing Agreement • April 4th, 2005 • Wedge Energy Services LLC • Drilling oil & gas wells
The undersigned each agree that the Statement on Schedule 13D relating to the Common Stock, $.10 par value, of South Texas Drilling & Exploration, Inc. is adopted and filed on behalf of each of them, (ii) all future amendments to such Statement on Schedule 13D will, unless written notice to the contrary is delivered as described below, be jointly filed on behalf of each of them, and (iii) the provisions of Rule 13d-1(k) under the Securities Exchange Act of 1934 apply to each of them. This agreement may be terminated with respect to the obligation to jointly file future amendments to such Statement on Schedule 13D as to any of the undersigned upon such person giving written notice thereof to the other person signatory hereto, at the principal office thereof.
BETWEENDebenture Purchase Agreement • December 22nd, 1999 • Wedge Energy Services LLC • Plastics, foil & coated paper bags • Texas
