X0306 4 2020-05-22 0 0001097149 ALIGN TECHNOLOGY INC ALGN 0001682549 Olson Jennifer C/O ALIGN TECHNOLOGY INC. 2820 ORCHARD PARKWAY SAN JOSE CA 95131 0 1 0 0 SVP & Mng Dir Cust Service Common Stock 2020-05-22 4 S 0 1962 243.58 D 7006 D Common Stock 2017-11-09 4 G 0 79 0.00 D 6927 D Common Stock 2017-11-10 4 G 0 78 0.00 D 6849 D Common Stock 2017-11-22 4 G 0 39 0.00 D 6810 D Common Stock 2018-05-31 4 G 0 60 0.00 D 6750 D Common Stock 2018-06-01 4 G 0 90 0.00 D 6660 D Common Stock 2019-11-08 4 G 0 3 0.00 D 6657 D Common Stock 2019-11-11 4 G 0 80 0.00 D 6577 D This transaction represents a previously unreported gift by reporting person. /s/Julie Ann Coletti Attorney-in-Fact for Jennifer Olson 2020-05-26