ALIGN TECHNOLOGY INC — Director's Dealing 2013

Feb 20, 2013

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ALIGN TECHNOLOGY INC (ALGN)
CIK: 0001097149
Period of Report: 2013-02-18

Reporting Person: HEDGE LEN (SVP, Business Operations)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2013-02-18	Common Stock	C	18200	$0.00	Acquired	58410	Direct
2013-02-18	Common Stock	F	9498	$32.73	Disposed	48912	Direct
2013-02-19	Common Stock	C	5000	$0.00	Acquired	53912	Direct
2013-02-19	Common Stock	F	2609	$32.60	Disposed	51303	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2013-02-18	Restricted Stock Unit	$0.0001	A	5600	Disposed		Common Stock (5600)	Direct
2013-02-18	Market Stock Unit	$0.0001	A	12600	Disposed		Common Stock (12600)	Direct
2013-02-19	Restricted Stock Unit	$0.0001	A	5000	Disposed		Common Stock (5000)	Direct

Footnotes

F1: Represents par value of ALGN common stock.

F2: 1/3rd of the restricted stock unit granted on February 18, 2011 became vested on February 18, 2013and shares were delivered to reporting person on February 19, 2013. The restricted stock unit will continue to vest annually and shares will be delivered to reporting person on each vest date.

F3: 50% of the market stock unit granted on February 18, 2011 became vested on February 18, 2013and shares were delivered to reporting person on February 19, 2013. The remaining 50% of the market stock unit will vest on February 18, 2014.

F4: 1/4th of the restricted stock unit granted on February 19, 2010 became vested on February 19, 2013and 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.