Press Releases

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

CONTACTS:	César García, President and Chief Executive Officer
	818-709-1244 x 7123
	Or
	Ron Stabiner, The Wall Street Group, Inc.
	212-888-4848

IRIS TO RELEASE 4TH QUARTER / YEAR-END 2006
FINANCIAL RESULTS, PROVIDE 2007 GUIDANCE,
AND HOST CONFERENCE CALL ON
WEDNESDAY, MARCH 7, 2007

CHATSWORTH, Calif., Feb. 09, 2007 — IRIS International, Inc. (NASDAQ: IRIS) will hold a conference call to discuss fourth quarter and full-year 2006 financial results on Wednesday, March 7, 2007, at 4:30 p.m. Eastern time. César García, President and Chief Executive Officer, and Veronica Tarrant, Interim Chief Financial Officer, will review the Company's results, which will be released at the close of trading, as well as provide guidance for 2007.

To participate, dial 1-800-289-0533 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 913-981-5525.

The conference call may also be accessed by means of a live audio Web cast on the Company's Web site at www.proiris.com, or at www.vcall.com. The 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 5739074.

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 is a leader in automated urinalysis technology with systems in major medical institutions throughout the world. The Company's Sample Processing business unit (formerly the StatSpin^® subsidiary), based in Westwood, Mass., manufactures innovative centrifuges and blood analysis products. The Iris Molecular Diagnostics (IMD) Subsidiary, based in San Diego, Calif., develops innovative ultra-sensitive diagnostics and sample processing products with applications in the urinalysis, oncology and infectious disease markets. Advanced Digital Imaging Research, LLC (ADIR), based near Houston, Tex., is the Company's imaging research and development subsidiary.