Press Releases

---------------------------------------------------------------- FOR IMMEDIATE RELEASE

CONTACTS:	César García, Chairman, President and CEO
	818-709-1244 x 7123
	-or-
	Ron Stabiner, The Wall Street Group, Inc.
	212-888-4848

IRIS TO RELEASE FIRST QUARTER FINANCIAL
RESULTS AND HOST CONFERENCE CALL
ON TUESDAY, APRIL 29, 2008

CHATSWORTH, Calif., April 14, 2008 - IRIS INTERNATIONAL, INC. (NASDAQ GM: IRIS) will hold a conference call to discuss first quarter financial results on Tuesday, April 29, 2008, at 4:30 pm Eastern Time. César García, Chairman, President and Chief Executive Officer, and Peter Donato, Chief Financial Officer, will review the Company's results, which will be released at the close of market that day.

To participate, dial 1-888-204-4394 approximately 10 minutes before the conference call is scheduled to begin. Hold for the operator and reference the IRIS International conference call. International callers should dial 913-312-0701.

The conference call may also be accessed by means of a live audio web cast on the Company's website at www.proiris.com, or at www.vcall.com, the web cast service provider. The conference audio cast will also be available for replay on both Web sites for 30 days from the date of the broadcast.

Access to a recording will also be available for seven days following the conference call. Dial 1-888-203-1112 to access playback. For international callers, dial 719-457-0820. The pass code I.D. is 1232434.

THE COMPANY
IRIS International, Inc. (www.proiris.com), based in Chatsworth, Calif., is a leading developer, manufacturer, and marketer of medical devices, diagnostic systems and consumables. The Iris Diagnostics Division (www.irisdiagnostics.com) is a leader in automated urinalysis technology with systems in major medical institutions throughout the world. Iris Molecular Diagnostics develops innovative ultra-sensitive diagnostics and sample processing products with applications in the urinalysis, oncology and infectious disease markets. The Company's Sample Processing business unit (formerly the StatSpin^® subsidiary) (www.statspin.com), based in Westwood, Mass., manufactures innovative centrifuges and blood analysis products.