SANTA CLARA, Calif., Oct 30, 2006 /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, has been named to Deloitte's prestigious Technology Fast 50 Program for Silicon Valley, a ranking of the fastest growing technology, media, telecommunications and life sciences companies in the area by Deloitte & Touche USA LLP, one of the nation's leading professional services organizations. Rankings are based on the percentage revenue growth over five years from 2001-2005.

Align Technology, Inc. President and CEO Thomas M. Prescott credits the Company's revenue growth to Align's commitment to advanced technology and clinical education programs for customers. "Our continued growth reflects a growing acceptance and popularity of the Invisalign technique and our commitment to providing our customers with value-added programs that ensure the success of Invisalign treatment as part of their practices," said Mr. Prescott.

Align's increase in revenues of 362 percent from 2001 to 2005 resulted in a number thirteen ranking in the Scientific & Medical Equipment and Biotechnology category of the Technology Fast 50 for Silicon Valley. The average increase in revenues among companies who made the Technology Fast 50 for this region was 1,464 percent.

"Sustaining high revenue growth over five years is an exceptional accomplishment. We commend Align Technology, Inc. for making the commitment to technology and delivering on the promise of market longevity," said Mark Jensen, National Director of the Venture Capital Services Group for Deloitte & Touche LLP in San Jose. "We are proud to honor Align as a Deloitte Technology Fast 50 winner."

To qualify for the Technology Fast 50, companies must have had operating revenues of at least $50,000 in 2001 and $5,000,000 in 2005, be headquartered in North America, and be a company that owns proprietary technology or proprietary intellectual property that contributes to a significant portion of the company's operating revenues; or devotes a significant proportion of revenues to the research and development of technology. Using other companies' technology or intellectual property in a unique way does not qualify.

Winners of the 16 regional Technology Fast 50 programs in the United States and Canada are automatically entered in Deloitte's Technology Fast 500 program, which ranks North America's top 500 fastest growing technology, media, telecommunications and life sciences companies. For more information on Deloitte's Technology Fast 50 or Technology Fast 500 programs, visit www.fast500.com.

This year's Silicon Valley Technology Fast 50 program is co-presented by Deloitte & Touche USA LLP and Silicon Valley Bank, Cooly Godward Kronish LLP, Korn/Ferry International and Porsche Motorsports.

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.

About Deloitte

Deloitte refers to one or more of Deloitte Touche Tohmatsu, a Swiss Verein, its member firms and their respective subsidiaries and affiliates. As a Swiss Verein (association), neither Deloitte Touche Tohmatsu nor any of its member firms has any liability for each other's acts or omissions. Each of the member firms is a separate and independent legal entity operating under the names "Deloitte", "Deloitte & Touche", "Deloitte Touche Tohmatsu" or other related names. Services are provided by the member firms or their subsidiaries or affiliates and not by the Deloitte Touche Tohmatsu Verein.

Deloitte & Touche USA LLP is the US member firm of Deloitte Touche Tohmatsu. In the US, services are provided by the subsidiaries of Deloitte & Touche USA LLP (Deloitte & Touche LLP, Deloitte Consulting LLP, Deloitte Financial Advisory Services LLP, Deloitte Tax LLP and their subsidiaries), and not by Deloitte & Touche USA LLP.

    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.

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

http://www.invisalign.com

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