0001193125-09-055632 Sample Contracts

WAIVER UNDER CREDIT AGREEMENT among GASTAR EXPLORATION USA, INC., GASTAR EXPLORATION LTD., THE LENDERS SIGNATORY HERETO and WAYZATA INVESTMENT PARTNERS LLC, as Administrative Agent Effective March 13, 2009

Waiver Under Credit Agreement • March 16th, 2009 • Gastar Exploration LTD • Crude petroleum & natural gas • Minnesota

• Contract Type
  Waiver Under Credit Agreement
• Filed
  March 16th, 2009
• Company
  Gastar Exploration LTD
• Industry
  Crude petroleum & natural gas
• Jurisdiction
  Minnesota

This WAIVER UNDER CREDIT AGREEMENT (this “Waiver”) executed effective as of March 13, 2009 (the “Effective Date”) is by and among GASTAR EXPLORATION USA, INC., a Michigan corporation (the “Borrower”), GASTAR EXPLORATION LTD., an Alberta, Canada corporation (the “Parent”), the lenders party to that certain Credit Agreement dated effective February 16, 2009 by and among the Borrower, the Parent, the lenders party thereto or bound thereby from time to time (the “Lenders”), and Wayzata Investment Partners LLC, as administrative agent for the Lenders (in such capacity, the “Agent”) (as amended to the Effective Date, the “Credit Agreement”).

WAIVER UNDER CREDIT AGREEMENT among GASTAR EXPLORATION USA, INC. THE GUARANTORS SIGNATORY HERETO THE LENDERS SIGNATORY HERETO and AMEGY BANK NATIONAL ASSOCIATION, as Administrative Agent Effective March 12, 2009

Waiver Under Credit Agreement • March 16th, 2009 • Gastar Exploration LTD • Crude petroleum & natural gas • Texas

• Contract Type
  Waiver Under Credit Agreement
• Filed
  March 16th, 2009
• Company
  Gastar Exploration LTD
• Industry
  Crude petroleum & natural gas
• Jurisdiction
  Texas

This WAIVER UNDER CREDIT AGREEMENT (this “Waiver”) executed effective as of March 12, 2009 (the “Effective Date”) is by and among GASTAR EXPLORATION USA, INC., a Michigan corporation (the “Borrower”), GASTAR EXPLORATION LTD., an Alberta, Canada corporation (the “Parent”), GASTAR EXPLORATION NEW SOUTH WALES, INC., a Michigan corporation (“Gastar New South Wales”), GASTAR EXPLORATION VICTORIA, INC., a Michigan corporation (“Gastar Victoria”), GASTAR EXPLORATION TEXAS, INC., a Michigan corporation (“Gastar Texas Inc”), GASTAR EXPLORATION TEXAS, LP, a Delaware limited partnership (“Gastar Texas LP”), and GASTAR EXPLORATION TEXAS LLC, a Delaware limited liability company (“Gastar Texas LLC”, and the Parent, Gastar New South Wales, Gastar Victoria, Gastar Texas Inc., Gastar Texas LP and Gastar Texas LLC, collectively, the “Initial Guarantors”), the lenders party to that certain Credit Agreement dated effective November 29, 2007 by and among the Borrower, the Initial Guarantors, the lenders p