0001104659-03-005537 Sample Contracts

FIRST AMENDMENT TO ASSET PURCHASE AND SALE AGREEMENT

Asset Purchase and Sale Agreement • March 31st, 2003 • Carbon Energy Corp • Crude petroleum & natural gas

• Contract Type
  Asset Purchase and Sale Agreement
• Filed
  March 31st, 2003
• Company
  Carbon Energy Corp
• Industry
  Crude petroleum & natural gas

This First Amendment to Asset Purchase and Sale Agreement (this “Amendment”), dated March 19, 2003, is by and between Carbon Energy Corporation (USA), formerly known as Bonneville Fuels Corporation, a Colorado corporation (“Seller”), and Fasken Acquisitions 02, Ltd., a Texas limited partnership (“Buyer”).

AMENDED AND RESTATED CREDIT AGREEMENT

Credit Agreement • March 31st, 2003 • Carbon Energy Corp • Crude petroleum & natural gas • Colorado

• Contract Type
  Credit Agreement
• Filed
  March 31st, 2003
• Company
  Carbon Energy Corp
• Industry
  Crude petroleum & natural gas
• Jurisdiction
  Colorado

THIS AMENDED AND RESTATED CREDIT AGREEMENT, dated as of December 31, 2002, is by and between CARBON ENERGY CORPORATION (USA), a Colorado corporation (“Borrower”), and BANK OF OKLAHOMA, NATIONAL ASSOCIATION, a national banking association (“BOK”).

ASSET PURCHASE AND SALE AGREEMENT Dated January 15, 2003 By and between Carbon Energy Corporation (USA), formerly known as Bonneville Fuels Corporation, as Seller and Fasken Acquisitions 02, Ltd., as Buyer

Asset Purchase and Sale Agreement • March 31st, 2003 • Carbon Energy Corp • Crude petroleum & natural gas • New Mexico

• Contract Type
  Asset Purchase and Sale Agreement
• Filed
  March 31st, 2003
• Company
  Carbon Energy Corp
• Industry
  Crude petroleum & natural gas
• Jurisdiction
  New Mexico

This Asset Purchase and Sale Agreement (this “Agreement”), dated January 15, 2003, is by and between Carbon Energy Corporation (USA), formerly known as Bonneville Fuels Corporation, a Colorado corporation (“Seller”), and Fasken Acquisitions 02, Ltd., a Texas limited partnership (“Buyer”).