X0306 4 2020-02-20 0 0001097149 ALIGN TECHNOLOGY INC ALGN 0001768087 Pudipeddi Vamsi Mohan Raj C/O ALIGN TECHNOLOGY INC. 2820 ORCHARD PARKWAY SAN JOSE CA 95131 0 1 0 0 SVP, Chief Marketing Officer Restricted Stock Unit 0.0001 2020-02-20 4 A 0 2173 0.00 A Common Stock 2173 2173 D Market Stock Unit 0.0001 2020-02-02 4 A 0 11030 0.00 A Common Stock 11030 11030 D Represents par value of ALGN common stock. 1/4th of the restricted stock unit granted on February 20, 2020 will become vested on February 20, 2021 and shares will be delivered to reporting person on such vest date. 1/4th of the restricted stock unit will continue to vest annually and shares will be delivered to reporting person on each vest date. Represents the maximum number of shares which may be issued under the market stock unit. All of the shares which may be issued under the market stock unit will vest on the last day of the third year of the Performance Period (as defined in the market stock unit agreement). Julie Ann Coletti Atty-in-Fact for Vamsi Mohan Raj Pudipeddi 2020-02-24