0001193125-12-178873 Sample Contracts

VOTING AGREEMENT

Voting Agreement • April 24th, 2012 • Ardea Biosciences, Inc./De • Pharmaceutical preparations • Delaware

• Contract Type
  Voting Agreement
• Filed
  April 24th, 2012
• Company
  Ardea Biosciences, Inc./De
• Industry
  Pharmaceutical preparations
• Jurisdiction
  Delaware

This VOTING AGREEMENT (this “Agreement”) is made and entered into as of April 21, 2012 by and among Zeneca Inc. (“Parent”) and the undersigned stockholder (the “Stockholder”) of Ardea BioSciences, Inc., a Delaware corporation (the “Company”).

AGREEMENT AND PLAN OF MERGER among: ZENECA INC., a Delaware corporation, QAM CORP., a Delaware corporation, and ARDEA BIOSCIENCES, INC. a Delaware corporation Dated as of April 21, 2012

Merger Agreement • April 24th, 2012 • Ardea Biosciences, Inc./De • Pharmaceutical preparations • Delaware

• Contract Type
  Merger Agreement
• Filed
  April 24th, 2012
• Company
  Ardea Biosciences, Inc./De
• Industry
  Pharmaceutical preparations
• Jurisdiction
  Delaware

THIS AGREEMENT AND PLAN OF MERGER (“Agreement”) is made and entered into as of April 21, 2012 (the “Agreement Date”) by and among Zeneca Inc., a Delaware corporation (“Parent”), QAM Corp., a Delaware corporation and a wholly-owned subsidiary of Parent (“Merger Sub”), and Ardea BioSciences, Inc., a Delaware corporation (the “Company”). Certain capitalized terms used in this Agreement are defined in Exhibit A.