Patina Oil & Gas Corp Watch

from 425 4 pages Amendment Agreement (This “Agreement”) Dated as of May 3, 2005, to the Agreement and Plan of Merger Dated as of December 15, 2004 (The “Merger Agreement”), by and Among Patina Oil & Gas Corporation, a Delaware Corporation (The “Company”), Noble Energy, Inc., a Delaware Corporation (“Parent”), and Noble Energy Production, Inc., a Delaware Corporation and a Wholly Owned Subsidiary of Parent (“Purchaser”). Capitalized Terms Used but Not Defined Herein Shall Have the Meanings Ascribed Thereto in the Merger Agreement. Whereas the Parties Hereto Are the Parties to the Merger Agreement and Now Wish to Amend the Merger Agreement as of the Date Hereof; Now, Therefore, in Consideration of the Mutual Covenants Contained Herein and Intending to Be Legally Bound Hereby, the Parties Hereby Agree as Follows: Section 1. Amendment of the Merger Agreement. Paragraph (A) of Section 1.8 of the Merger Agreement Is Hereby Deleted in Its Entirety and the Following Is Hereby Substituted Therefor

from 8-K 4 pages Amendment Agreement to Agreement and Plan of Merger

from 425 4 pages Amendment Agreement to Agreement and Plan of Merger

from 8-K 76 pages Agreement and Plan of Merger by and Among Noble Energy, Inc. Noble Energy Production, Inc. and Patina Oil & Gas Corporation Dated as of December 15, 2004

from 425 76 pages Agreement and Plan of Merger by and Among Noble Energy, Inc. Noble Energy Production, Inc. and Patina Oil & Gas Corporation Dated as of December 15, 2004

from 8-K 48 pages Purchase and Sale Agreement

from 8-K 47 pages Agreement and Plan of Merger Among Patina Oil & Gas Corporation (“Parent”), Patina Bravo Corporation (“Merger Sub”), Bravo Natural Resources, Inc. (The “Company”) and Certain of the Stockholders of the Company (The “Stockholders”) November 6, 2002 Agreement and Plan of Merger

from SC 13D ~50 pages Plan of reorganization, merger, acquisition or similar

from 8-K ~5 pages Cross Indemnification Agrement

from 8-K ~20 pages Registration Rights Agreement

from 8-K ~10 pages Business Opportunity Agreement