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 PRESENT AT THE 19TH ANNUAL PIPER JAFFRAY HEALTH CARE CONFERENCE NOV. 27 TO NOV. 29, 2007

CHATSWORTH, Calif., Nov 12, 2007 - IRIS International, Inc. (NASDAQ GM: IRIS) a manufacturer and marketer of automated IVD urinalysis systems and medical devices used in hospitals and reference clinical laboratories worldwide, today announced that President and Chief Executive Officer César García will present an overview of the Company at the 19th Annual Piper Jaffray Health Care Conference at 1:30 p.m. Eastern time on Tuesday, Nov. 27, 2007 at The Pierre Hotel in New York City.

An audio webcast of Mr. García's presentation will be available live and by replay. To access the live webcast, go to http://www.piperjaffray.com/conferences. The link will also be available on the IRIS International, Inc. website at www.proiris.com. A replay of the presentation will be archived for 30 days following the conference.

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.