0000891618-05-000693 Sample Contracts

AGREEMENT AND PLAN OF MERGER dated as of September 12, 2005 among ORACLE CORPORATION, SIEBEL SYSTEMS, INC., OZARK HOLDING INC., OZARK MERGER SUB, and SIERRA MERGER SUB

Agreement and Plan of Merger • September 12th, 2005 • Siebel Systems Inc • Services-prepackaged software • Delaware

• Contract Type
  Agreement and Plan of Merger
• Filed
  September 12th, 2005
• Company
  Siebel Systems Inc
• Industry
  Services-prepackaged software
• Jurisdiction
  Delaware

AGREEMENT AND PLAN OF MERGER dated as of September 12, 2005 (this “Agreement”) among Oracle Corporation, a Delaware corporation (“Oracle”), Siebel Systems, Inc., a Delaware corporation (“Siebel”), Ozark Holding Inc., a Delaware corporation and a wholly owned subsidiary of Oracle (“Parent”), Ozark Merger Sub Inc., a Delaware corporation and a wholly owned subsidiary of Parent (“Ozark Merger Sub”), and Sierra Merger Sub Inc., a Delaware corporation and a wholly owned subsidiary of Parent (“Sierra Merger Sub” and, together with Ozark Merger Sub, the “Merger Subs”).

AMENDMENT TO RIGHTS AGREEMENT BETWEEN SIEBEL SYSTEMS, INC. AND MELLON INVESTOR SERVICES LLC

Rights Agreement • September 12th, 2005 • Siebel Systems Inc • Services-prepackaged software • New York

• Contract Type
  Rights Agreement
• Filed
  September 12th, 2005
• Company
  Siebel Systems Inc
• Industry
  Services-prepackaged software
• Jurisdiction
  New York

This Amendment To Rights Agreement (the “Amendment”) is made as of the 12th day of September, 2005, by and between Siebel Systems, Inc., a Delaware corporation (the “Company”), and Mellon Investor Services LLC, a New Jersey limited liability company (the “Rights Agent”).