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Ventana to Report Third Quarter Earnings and Hold Conference Call after Market Close on October 18, 2007

October 15th, 2007 . by

TUCSON, Ariz.–(BUSINESS WIRE)–Ventana Medical Systems, Inc. (NASDAQ: VMSI) today announced it will release its third quarter 2007 financial and operating results on Thursday, October 18, 2007 after the market closes.

Christopher Gleeson, President and Chief Executive Officer, and Lawrence Mehren, Chief Financial Officer, will host a conference call and webcast to discuss these results and Ventana’s future outlook on Thursday, October 18, 2007 at 5:30 p.m. (ET).

The conference call can be accessed by dialing (866) 578-5788 (U.S. and Canada callers) or (617) 213-8057 (international callers) and entering the passcode 63478761 approximately ten minutes prior to the call. A live webcast of the call will be available online at http://phx.corporate-ir.net/phoenix.zhtml?p=irol-eventDetails&c=79080& eventID=1668626. (Due to its length, this URL may need to be copied/pasted into your Internet browser’s address field. Remove the extra space if one exists).

Following the conclusion of the presentation, a replay of the call will be available through October 25th, 2007 by dialing (888) 286-8010 (U.S. and Canada callers) or (617) 801-6888 (international callers) and entering the passcode 58129543. In addition, the webcast will remain available online through January 20th, 2008 at http://phx.corporate-ir.net/phoenix.zhtml?p=irol-eventDetails&c= 79080&eventID=1668626. (Due to its length, this URL may need to be copied/pasted into your Internet browser’s address field. Remove the extra space if one exists).

About Ventana Medical Systems, Inc.

Ventana Medical Systems develops, manufactures, and markets instrument/reagent systems that automate slide preparation and staining in anatomical pathology and drug discovery laboratories worldwide. Ventana’s clinical systems are important tools used in the diagnosis and treatment of cancer and infectious diseases. Ventana’s drug discovery systems are used to accelerate the discovery of new drug targets and evaluate the safety of new drug compounds. Visit the Ventana Medical Systems, Inc., website at http://www.ventanamed.com.
Contacts
For Media:
Sard Verbinnen & Co
Anna Cordasco / Jonathan Doorley
212-687-8080
or
For Investors:
Lawrence Mehren
520-229-3857
Chief Financial Officer
or
Innisfree M&A Incorporated
Alan Miller / Jennifer Shotwell
212-750-5833