SANTA CLARA, Calif., April 27, 2005 /PRNewswire-FirstCall via COMTEX/ -- Align Technology, Inc. (Nasdaq: ALGN), the inventor of Invisalign(R), a proprietary method of straightening teeth without wires and brackets, announced today that Eldon M. Bullington, Vice President, Finance and Chief Financial Officer, is scheduled to speak at the 30th Annual Deutsche Bank Securities Healthcare Conference on Wednesday, May 4, 2005 at 8:00 a.m. EDT/5:00 a.m. PDT.

A live webcast of the presentation will be available at 8:00 a.m. EDT on Align's web site at http://investor.aligntech.com. An archived replay will remain on the web site for one month.

About Align Technology, Inc.

Align Technology designs, manufactures and markets Invisalign, a proprietary new 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, please visit www.invisalign.com or call 1-800-INVISIBLE.

SOURCE Align Technology, Inc.

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

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