Edge Petroleum Corp Watch

from 8-K 15 pages A. the Borrower Is Party to That Certain Fourth Amended and Restated Credit Agreement Dated as of January 31, 2007 Among the Borrower, the Financial Institutions Party Thereto From Time to Time (The “Lenders”), the Issuing Lender and the Administrative Agent, as Amended by Amendment No.1 Dated July 11, 2007, by Amendment No. 2 Dated December 10, 2007, and by Amendment No.3 and Agreement (“Amendment No. 3”) Dated May 8, 2008 (As So Amended and as the Same May Be Further Amended, Modified or Supplemented From Time to Time, the “Credit Agreement”; Unless Otherwise Defined in This Agreement, Each Term Used in This Agreement That Is Defined in the Credit Agreement Has the Meaning Assigned to Such Term in the Credit Agreement). B. Pursuant to Amendment No. 3, the Credit Agreement Permits the Administrative Agent and the Lenders to Redetermine the Borrowering Base and Conforming Borrowing Base on or Before June 30, 2008. C. Subject to the Terms and Conditions of This Agreement, the Borrower, the Administrative Agent, the Issuing Lender and the Lenders Wish to Consent to Defer Their Option to Conduct the June 2008 Redetermination (As Defined in Amendment No. 3) Until October 31, 2008. Therefore, the Borrower, the Administrative Agent, the Issuing Lender and the Lenders Hereby Agree as Follows: Section 1. Consent to Defer Redetermination

from DEFA14A 15 pages A. the Borrower Is Party to That Certain Fourth Amended and Restated Credit Agreement Dated as of January 31, 2007 Among the Borrower, the Financial Institutions Party Thereto From Time to Time (The “Lenders”), the Issuing Lender and the Administrative Agent, as Amended by Amendment No.1 Dated July 11, 2007, by Amendment No. 2 Dated December 10, 2007, and by Amendment No.3 and Agreement (“Amendment No. 3”) Dated May 8, 2008 (As So Amended and as the Same May Be Further Amended, Modified or Supplemented From Time to Time, the “Credit Agreement”; Unless Otherwise Defined in This Agreement, Each Term Used in This Agreement That Is Defined in the Credit Agreement Has the Meaning Assigned to Such Term in the Credit Agreement). B. Pursuant to Amendment No. 3, the Credit Agreement Permits the Administrative Agent and the Lenders to Redetermine the Borrowering Base and Conforming Borrowing Base on or Before June 30, 2008. C. Subject to the Terms and Conditions of This Agreement, the Borrower, the Administrative Agent, the Issuing Lender and the Lenders Wish to Consent to Defer Their Option to Conduct the June 2008 Redetermination (As Defined in Amendment No. 3) Until October 31, 2008. Therefore, the Borrower, the Administrative Agent, the Issuing Lender and the Lenders Hereby Agree as Follows: Section 1. Consent to Defer Redetermination

from 8-K 102 pages $750,000,000 Fourth Amended and Restated Credit Agreement Among Edge Petroleum Corporation as Borrower, the Lenders Party Hereto From Time to Time as Lenders, and Union Bank of California, N.A. as Administrative Agent and as Issuing Lender January 31, 2007 Union Bank of California, N.A. as Sole Book Runner and Lead Arranger

from 10-K 13 pages Agreement, Consent and Amendment No. 2 to Third Amended and Restated Credit Agreement

from 10-Q 5 pages Agreement and Amendment No. 1 to Third Amended and Restated Credit Agreement

from 10-Q >50 pages Third Amended and Restated Credit Agreement

from 10-Q ~5 pages Amend. #5 to 2nd Amended Credit Agreement

from 10-Q ~5 pages AMEND.NO.4 to 2nd Amended Credit Agreement

from 10-K ~5 pages AMEND.NO.3 to 2nd Amended Credit Agreement

from 10-K ~5 pages AMEND.NO.2 to Amended & Restated Credit Agreement

from 10-K ~5 pages AMEND.NO.1 & Waiver to 2nd Amended Credit Agmt

from 10-K 1 page <page> [Logo] Energy Capital Services March 23, 2001 Edge Petroleum Corporation Edge Petroleum Exploration Company Edge Petroleum Operating Company, Inc. 2100 Texaco Heritage Plaza Houston, Texas 77002 Attention: Mr. Mike Long Gentlemen: Reference Is Hereby Made to That Certain Second Amended and Restated Credit Agreement in the Amount of $25.0 Million by and Among Edge Petroleum Corporation, Edge Petroleum Exploration Company and Edge Petroleum Operating Company, Inc. as Borrowers and Union Bank of California, N. A. as Agent and Lender Dated as of October 6, 2000 (The "Credit Agreement"). All Capitalized Terms Herein Shall Have the Meaning Assigned to Such Terms in the Credit Agreement Unless Otherwise Defined Herein. the Purpose of This Letter Is to Inform You That the Agent and Sole Lender Has Redetermined the Borrowing Base and the Amount of the Monthly Borrowing Base Reduction Pursuant to Section 2.10 of the Credit Agreement. Effective Immediately Upon Your Execution of a Counterpart of This Letter and the Return Thereof to the Agent, the Borrowing Base Shall Be in the Amount of $14.0 Million and the Monthly Borrowing Base Reduction Shall Be Zero. Both Such Figures Shall Be Effective Until the Next Redetermination Thereof Pursuant to Section 2.10 of the Credit Agreement. All Other Terms and Conditions Contained in the Credit Agreement Remain Unchanged and in Full Force and Effect. if You Are in Agreement With the Foregoing Please Evidence Your Agreement by Executing This Letter in the Space Provided and Returning One Fully-Executed Counterpart to the Undersigned. Sincerely, /S/ Damien G. Meiburger - Senior Vice President Accepted and Agreed This 26 Day of March 2001 /S/ Michael G. Long - Authorized Officer on Behalf of Edge Petroleum Corporation, Edge Petroleum Exploration Company and Edge Petroleum Operating Company, Inc

from S-4/A ~50 pages Credit Agreement