SANTA CLARA, Calif., April 28 /PRNewswire-FirstCall/ -- Align Technology, Inc. (Nasdaq: ALGN), the inventor of Invisalign®, a proprietary method of straightening teeth without wires and brackets, announced today that Thomas M. Prescott, President and CEO, is scheduled to speak at the Deutsche Bank 29th Annual Health Care Conference on Wednesday, May 5, 2004 at 9:30 am EDT / 6:30 am PDT.

A live webcast of the presentation will be available at 9:30 am EDT / 6:30 am PDT on Align's web site at www.aligntech/presentations.com in the Investor Relations section. An archived replay will remain on the web site for one year.

About Align Technology, Inc.

Align Technology designs, manufactures and markets Invisalign, a proprietary method for treating malocclusion, or the misalignment of teeth. Invisalign corrects malocclusion using a series of clear, nearly invisible, removable appliances that gently move teeth to a desired final position. Because it does not rely on the use of metal or ceramic brackets and wires, Invisalign significantly reduces the aesthetic and other limitations associated with braces. Invisalign is appropriate for treating adults and older teens. Align Technology was founded in March 1997 and received FDA clearance to market Invisalign in 1998.

To learn more about Invisalign or to find a certified Invisalign doctor in your area, please visit www.invisalign.com or call 1-800-INVISIBLE.

     Investor Relations Contact:        Press Contact:
     Barbara Domingo                    Shannon Henderson
     Align Technology, Inc.             Ethos Communications, Inc.
     408-470-1000                       678-417-1767
     investorinfo@aligntech.com         shannon@ethoscommunication.com

SOURCE Align Technology, Inc.

CONTACT: IR: Barbara Domingo of Align Technology, Inc., +1-408-470-1000, or investorinfo@aligntech.com; or press, Shannon Henderson of Ethos Communications, Inc., +1-678-417-1767, or shannon@ethoscommunication.com, for Align Technology, Inc.