AGREEMENT AND PLAN OF MERGER by and among MERCK & CO., INC., SPINNAKER ACQUISITION CORP. a wholly owned subsidiary of MERCK & CO., INC. and SIRNA THERAPEUTICS, INC. Dated as of October 30, 2006Agreement and Plan of Merger • November 3rd, 2006 • Merck & Co Inc • Pharmaceutical preparations • Delaware
AGREEMENT AND PLAN OF MERGER (this “Agreement”), dated as of October 30, 2006, by and among MERCK & CO., INC., a New Jersey corporation (“Parent”), SPINNAKER ACQUISITION CORP., a Delaware corporation and a wholly-owned subsidiary of Parent (“Merger Sub”), and SIRNA THERAPEUTICS, INC., a Delaware corporation (the “Company”).
EXHIBIT A FORM OF VOTING AGREEMENTForm of Voting Agreement • November 3rd, 2006 • Merck & Co Inc • Pharmaceutical preparations • Delaware
THIS VOTING AGREEMENT (this “Agreement”) is made and entered into as of October 30, 2006 by and between Merck & Co., Inc., a New Jersey corporation (“Acquiror”), and the undersigned securityholder (“Stockholder”) of Sirna Therapeutics, Inc., a Delaware corporation (“Sirna”).
