SANTA CLARA, Calif., Jan 31, 2007 /PRNewswire-FirstCall via COMTEX News Network/ -- Align Technology, Inc. (Nasdaq: ALGN), the inventor of Invisalign, a proprietary method of straightening teeth without wires or brackets, today announced an agreement giving Invisalign Australia Pty. Ltd. and Invisalign Hong Kong Pty. Ltd. sole distribution rights for the Invisalign system in Australia and Hong Kong, respectively. Effective today, Invisalign Australia Pty. Ltd. and Invisalign Hong Kong Pty. Ltd. will be owned and operated by Mark van Weelde, formerly Align's Managing Director, Asia Pacific.

"This distribution agreement will streamline regional operations and meet the needs of Asia Pacific customers in the most effective and efficient way possible," said Gil Laks, Align's Vice President, International. "Partnering with Mark van Weelde provides Align with a distributor that has extensive knowledge of the Invisalign system and that can ensure Invisalign doctors in the region continue to receive great service from local representatives they've grown to know and trust."

As part of the Agreement, Align entered into a Stock Purchase Agreement with Mark van Weelde, whereby van Weelde purchased 100 percent of the shares in Invisalign Australia Pty. Ltd. and Invisalign Hong Kong Pty. Ltd. As the regional distributors for these markets, these companies will assume all Invisalign sales, customer support and clinical education.

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 Mangum Henderson
    Align Technology, Inc.          Ethos Communication, Inc.
    (408) 470-1000                  (678) 540-9222
    investorinfo@aligntech.com      align@ethoscommunication.com

SOURCE Align Technology, Inc.

investors, Barbara Domingo of Align Technology, Inc., +1-408- 470-1000, or
investorinfo@aligntech.com; or media, Shannon Mangum Henderson of Ethos
Communication, Inc., +1-678-540-9222, or align@ethoscommunication.com, for Align

http://www.invisalign.com

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