ALIGN TECHNOLOGY INC — Director's Dealing 2013

Apr 30, 2013

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ALIGN TECHNOLOGY INC (ALGN)
CIK: 0001097149
Period of Report: 2013-04-29

Reporting Person: Mack Timothy A (SVP, Mktg & Bus. Development)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2013-04-29	Common Stock	C	7500	—	Acquired	17182	Direct
2013-04-29	Common Stock	F	2819	$32.93	Disposed	14363	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2013-04-29	Restricted Stock Unit	$0.0001	C	7500	Disposed		Common Stock (7500)	Direct

Footnotes

F1: Represents par value of ALGN common stock.

F2: 1/4th of the restricted stock unit granted on April 29, 2011 became vested on April 29, 2013 and shares were delivered to reporting person on that date. The restricted stock unit will continue to vest annually and shares will be delivered to reporting person on each vest date.