EXHIBIT 4.1 REGISTRATION RIGHTS AGREEMENT This Registration Rights Agreement (the "AGREEMENT") is made and entered into as of the 3rd day of April, 2006 (the "EFFECTIVE DATE") between IRIS International, Inc., a Delaware corporation (the "COMPANY"),...Registration Rights Agreement • April 7th, 2006 • Iris International Inc • Laboratory analytical instruments • California
Contract Type FiledApril 7th, 2006 Company Industry Jurisdiction
EXHIBIT 2.1 * TEXT OMITTED AND FILED SEPARATELY. CONFIDENTIAL TREATMENT REQUESTED UNDER 17 C.F.R. SECTIONS 200.80(b)(4) 200.83 AND 240.24b-2 MERGER AGREEMENTMerger Agreement • April 7th, 2006 • Iris International Inc • Laboratory analytical instruments • California
Contract Type FiledApril 7th, 2006 Company Industry Jurisdiction
KEY EMPLOYEE AGREEMENT ForIris International Inc • April 7th, 2006 • Laboratory analytical instruments • California
Company FiledApril 7th, 2006 Industry Jurisdiction