Align Technology to Be Added to the S&P 500 Index

SAN JOSE, CA--(Marketwired - June 16, 2017) - Align Technology, Inc. (NASDAQ: ALGN) today announced that Standard & Poor's (S&P) will add the Company to the S&P 500 Index after the close of trading on Friday, June 16, 2017. Align will be added to the S&P 500 GICS Health Care Supplies Sub-Industry index.

"We are excited to be added to the S&P 500 Index," said Joe Hogan, Align President and CEO. "This major milestone for the company reflects the significant impact that our technology and innovations have had on the orthodontic market. Over the past 20 years we have helped our customers transition from a manual procedure for straightening teeth, to a fully digital process with the Invisalign^® system and iTero^® intraoral scanners, treating over 4.5 million patients. On behalf of Align's board of directors and our 6,800 proud employees around the world, we are honored for this distinction."

About Align Technology, Inc.
Align Technology designs and manufactures the Invisalign^® system, the most advanced clear aligner system in the world, and iTero^® intraoral scanners and services. Align's products help dental professionals achieve the clinical results they expect and deliver effective, cutting-edge dental options to their patients. Visit www.aligntech.com for more information.

About the Invisalign^® Clear Aligner System
The Invisalign system is the most advanced clear aligner system in the world. Adults and teens now have a modern choice for straightening their teeth. Invisalign treatment consists of a series of custom, clear, removable aligners that gradually move teeth over time. No other clear aligner is backed by the data and experience of 4.5 million cases. Learn more and find a trained Invisalign provider at www.invisalign.com.

About iTero^® Intraoral Scanners
iTero intraoral scanners are designed to deliver speed, reliability, intuitive operations, and outstanding visualization capabilities to dental and orthodontic practices. Only iTero scanners include tools such as the Invisalign Outcome Simulator and Progress Tracking for use with the Invisalign system. For additional information about iTero digital scanning system, please visit www.itero.com. iTero scanners are designed, manufactured and marketed by Align Technology, Inc.