Xtent Inc. Announces First Quarter 2007 Financial Results Call

MENLO PARK, Calif., May 1 /PRNewswire-FirstCall/ -- XTENT announced that it will report its financial results for the first quarter 2007 after market close on Tuesday, May 8, 2007. The company will hold a conference call the same day at 2 p.m., Pacific Time (5 p.m. Eastern Time). The call will be hosted by Gregory D. Casciaro, XTENT’s President and Chief Executive Officer, and Tim Kahlenberg, Chief Financial Officer.

The teleconference can be accessed via the investor relations section of the Company’s website at http://investor.xtentinc.com/events.cfm or by calling 800-289-0533 (domestic), 913-981-5525 (international). Please dial in or access the website 5 to 10 minutes prior to the beginning of the call.

An online archive of the webcast will be available for a minimum of three months by accessing the investor relations portion of the company’s website at http://investor.xtentinc.com.

About XTENT

XTENT, Inc. is a medical device company focused on developing and commercializing innovative customizable drug eluting stent (DES) systems for the treatment of coronary artery disease (CAD). CAD is the most common form of cardiovascular disease and the number one cause of death in the United States and Europe. XTENT(R) Custom NX(R) DES Systems are designed to enable the treatment of single lesions, long lesions and multiple lesions of varying lengths and diameters, in one or more arteries with a single device. Note: XTENT(R) Custom NX(R) DES Systems have not been approved for sale by any regulatory authority.

XTENT, Inc.

CONTACT: investors, Tim Kahlenberg, Chief Financial Officer of XTENT,+1-650-475-9400, or tkahlenberg@xtentinc.com; or media, Danielle Bertrand,Media Relations, +1-415-946-1056, or dbertrand@weisscommpartners.com, forXTENT

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