On July 15, 2009, the Board of Directors of Align Technology, Inc. ("Align") appointed David C. Nagel, Ph.D to the Board of Directors of Align with a term effective July 15, 2009. In connection with this appointment, the Board of Directors increased the size of the Board from seven to eight directors.

Dr. Nagel has also been appointed to serve on the Compensation Committee of the Board of Directors and the Technology Committee of the Board of Directors. Pursuant to Align's 2005 Incentive Plan, Dr. Nagel received an automatic grant of non-qualified options to purchase 30,000 shares of Align's common stock as well as a discretionary grant of non-qualified options to purchase an additional 10,000 shares of Align's common stock. Dr. Nagel will receive annual cash compensation as further described in Align's Proxy Statement for the 2009 Annual Meeting of Stockholders filed with the Securities and Exchange Commission on April 22, 2009.

On July 15, 2009, Align issued a press release announcing Dr. Nagel's appointment to the Board of Directors. A copy of the press release is attached as Exhibit 99.1 and incorporated herein by reference.

(d) Exhibits.

Exhibit No.    Description

    99.1       Press Release dated July 15, 2009 announcing the appointment David
               C. Nagel as a member of the Board of Directors