0001193125-06-085753 Sample Contracts

AGREEMENT AND PLAN OF MERGER AMONG KCS ENERGY, INC., PETROHAWK ENERGY CORPORATION, AND HAWK NEST CORPORATION April 20, 2006

Merger Agreement • April 21st, 2006 • Petrohawk Energy Corp • Crude petroleum & natural gas • Delaware

• Contract Type
  Merger Agreement
• Filed
  April 21st, 2006
• Company
  Petrohawk Energy Corp
• Industry
  Crude petroleum & natural gas
• Jurisdiction
  Delaware

AGREEMENT AND PLAN OF MERGER (“Agreement”), dated as of April 20, 2006, is by and among KCS Energy, Inc., a Delaware corporation (the “Company”), Petrohawk Energy Corporation, a Delaware corporation (“Parent”), and Hawk Nest Corporation, a Delaware corporation and wholly owned subsidiary of Parent (“Purchaser”).