0001193125-10-245200 Sample Contracts

AGREEMENT AND PLAN OF MERGER BY AND AMONG McKESSON CORPORATION, UTAH ACQUISITION CORPORATION US ONCOLOGY HOLDINGS, INC. AND UTAH STOCKHOLDERS’ AGENT LLC, AS STOCKHOLDERS’ AGENT November 1, 2010

Agreement and Plan of Merger • November 3rd, 2010 • US Oncology Holdings, Inc. • Services-hospitals • Delaware

• Contract Type
  Agreement and Plan of Merger
• Filed
  November 3rd, 2010
• Company
  US Oncology Holdings, Inc.
• Industry
  Services-hospitals
• Jurisdiction
  Delaware

This AGREEMENT AND PLAN OF MERGER (this “Agreement”), is made and entered into as of November 1, 2010, by and among McKesson Corporation, a Delaware corporation (“Parent”), Utah Acquisition Corporation, a Delaware corporation and a wholly owned subsidiary of Parent (“Merger Sub”), US Oncology Holdings, Inc., a Delaware corporation (the “Company”), and Utah Stockholders’ Agent LLC, as Stockholders’ Agent (the “Stockholders’ Agent”).