1 EXHIBIT 2.1 A copy of the Agreement and Plan of Merger among the Registrant, Bronco Acquisition, Inc., Ecrix Corporation, certain investors and certain lenders, dated August 22, 2001, has been filed as Appendix A to the proxy statement/prospectus that forms a part of this Registration Statement on Form S-4. Included with this Appendix are the following Exhibits to the Merger Agreement: Filed: Exhibit 1.3 Certificate of Merger Exhibit 2.1 Form of Notes Exhibit 3.1.1(a) Parent H Certificate Exhibit 3.1.2 Investor Purchase Schedule Exhibit 3.4 Registration Rights Agreement Exhibit 6.5(b) Rights Agreement Amendment Exhibit 7.10 Affiliate Letter Exhibit 7.16 Lock Up Agreement The Registrant hereby agrees to furnish supplementally a copy of the following omitted Exhibits: Exhibit 4 Company Disclosure Memorandum Exhibit 6 Exabyte Corporation Schedule Index