UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K/A CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of Earliest Event Reported): June 30, 2008 IRIS INTERNATIONAL, INC. (Exact name of registrant as specified in its charter) Delaware 1-11181 94-2579751 (State or other jurisdiction (Commission (I.R.S. Employer of incorporation) File Number) Identification No.) 9172 Eton Avenue Chatsworth, CA 91311 (Address of Principal Executive Offices/Zip Code) (818) 709-1244 (Registrant's telephone number, including area code) Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below): [_] Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) [_] Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) [_] Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange ct (17 CFR 240.14d-2(B)) [_] Pre-commencement communications pursuant to Rule 13e-4(c)) under the Exchange Act (17 CFR 240.13e-4c)) EXPLANATORY NOTE This Current Report on Form 8-K/A amends the previously filed Form 8-K to provide the exhibits as previously noted in Item 9.01(d). Item 1.01. Entry into a Material Definitive Agreement. Item 2.03. Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant. We are a party to (i) that certain Business Loan Agreement, dated March 24, 2006, with California Bank & Trust (the "Bank"), as amended to date, and related agreements with respect to a $6.5 million loan facility (the "$6.5 Million Facility"), and (ii) that certain Business Loan Agreement, dated March 24, 2006, with the Bank, as amended to date, and related agreements with respect to a $10.0 million loan facility (the "$10.0 Million Facility" and, together with the $6.5 Million Facility, the "Loan Facilities"). We do not have any indebtedness outstanding under either of the Loan Facilities. On June 30, 2008, we and the Bank entered into (i) a Change in Terms Agreement, dated as of May 1, 2008, with respect to the $6.5 million Loan Facility, and (ii) a Change in Terms Agreement, dated as of May 1, 2008, with respect to the $10.0 million Loan Facility (collectively, the "Change in Terms Agreements"), which agreements extend the maturity date of the $6.5 Million Facility and the $10.0 Million Facility to June 30, 2010 and June 20, 2015, respectively, remove the Corporation's Advanced Digital Imaging Research, LLC subsidiary as a guarantor of the indebtedness evidenced thereby, modify certain affirmative and negative covenants and make such other changes as set forth in the Change in Terms Agreements, copies of which are attached hereto as Exhibits 10.1 and 10.2, respectively, and incorporated herein by reference. Item 9.01. Financial Statements and Exhibits (d) Exhibits. The following exhibits are filed herewith: Exhibit Number Description - ------- ----------------------------------------------------------------------- 10.1 Change in Terms Agreement, dated May 1, 2008, by and between IRIS International, Inc. and California Bank & Trust. 10.2 Change in Terms Agreement, dated May 1, 2008, by and between IRIS International, Inc. and California Bank & Trust. 2 SIGNATURE Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. IRIS INTERNATIONAL, INC. Date: July 14, 2008 By: /s/ Peter Donato ---------------------------------------- Peter Donato Chief Financial Officer 3 EXHIBIT INDEX Exhibit Number Description - ------- ----------------------------------------------------------------------- 10.1 Change in Terms Agreement, dated May 1, 2008, by and between IRIS International, Inc. and California Bank & Trust. 10.2 Change in Terms Agreement, dated May 1, 2008, by and between IRIS International, Inc. and California Bank & Trust. 4