0001193125-06-100786 Sample Contracts

AGREEMENT AND PLAN OF MERGER BY AND AMONG QUANTUM CORPORATION AGATE ACQUISITION CORP. AND ADVANCED DIGITAL INFORMATION CORPORATION Dated as of May 2, 2006

Agreement and Plan of Merger • May 5th, 2006 • Quantum Corp /De/ • Computer storage devices • Delaware

• Contract Type
  Agreement and Plan of Merger
• Filed
  May 5th, 2006
• Company
  Quantum Corp /De/
• Industry
  Computer storage devices
• Jurisdiction
  Delaware

This AGREEMENT AND PLAN OF MERGER (this “Agreement”) is made and entered into as of May 2, 2006, by and among Quantum Corporation, a Delaware corporation (“Parent”), Agate Acquisition Corp., a Washington corporation and direct wholly owned subsidiary of Parent (“Merger Sub”), and Advanced Digital Information Corporation, a Washington corporation (the “Company”).

EXHIBIT A FORM OF VOTING AGREEMENT

Form of Voting Agreement • May 5th, 2006 • Quantum Corp /De/ • Computer storage devices • Delaware

• Contract Type
  Form of Voting Agreement
• Filed
  May 5th, 2006
• Company
  Quantum Corp /De/
• Industry
  Computer storage devices
• Jurisdiction
  Delaware

THIS VOTING AGREEMENT (this “Agreement”) is made and entered into as of May , 2006 by and between Quantum Corporation, a Delaware corporation (“Parent”), and the undersigned shareholder (the “Shareholder”) of Advanced Digital Information Corporation, a Washington corporation (the “Company”).