0001104659-08-045762 Sample Contracts

AGREEMENT AND PLAN OF MERGER among CHAPARRAL ENERGY, INC., CHAPARRAL EXPLORATION, L.L.C. and EDGE PETROLEUM CORPORATION Dated July 14, 2008

Merger Agreement • July 15th, 2008 • Edge Petroleum Corp • Crude petroleum & natural gas • Delaware

• Contract Type
  Merger Agreement
• Filed
  July 15th, 2008
• Company
  Edge Petroleum Corp
• Industry
  Crude petroleum & natural gas
• Jurisdiction
  Delaware

THIS AGREEMENT AND PLAN OF MERGER, executed this 14th day of July, 2008 (this “Agreement”), is by and among Chaparral Energy, Inc., a Delaware corporation (“Parent”), Chaparral Exploration, L.L.C., a Delaware limited liability company and a wholly owned subsidiary of Parent (“Sub,” and together with Parent, the “Parent Parties”), and Edge Petroleum Corporation, a Delaware corporation (“Edge”).

CONSENT

Credit Agreement • July 15th, 2008 • Edge Petroleum Corp • Crude petroleum & natural gas • Texas

• Contract Type
  Credit Agreement
• Filed
  July 15th, 2008
• Company
  Edge Petroleum Corp
• Industry
  Crude petroleum & natural gas
• Jurisdiction
  Texas

This Consent (the “Agreement”) dated as of July 1, 2008 (the “Consent Effective Date”) is among Edge Petroleum Corporation, a Delaware corporation (“Borrower”), the Lenders (as defined below) and Union Bank of California, N.A., as administrative agent for such Lenders (in such capacity, the “Administrative Agent”) and as issuing lender (in such capacity, the “Issuing Lender”).