IDEXX LABORATORIES INC /DE — Director's Dealing 2011

Feb 16, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: IDEXX LABORATORIES INC /DE (IDXX)
CIK: 0000874716
Period of Report: 2011-02-14

Reporting Person: POLEWACZYK JAMES F (Corporate Vice President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-02-14	Common Stock	M	714	—	Acquired	2627	Direct
2011-02-14	Common Stock	M	258	—	Acquired	2885	Direct
2011-02-14	Common Stock	M	400	—	Acquired	3285	Direct
2011-02-14	Common Stock	M	282	—	Acquired	3567	Direct
2011-02-14	Common Stock	F	560	$77.59	Disposed	3007	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-02-14	Non-Qualified Stock Option (right to buy)	$77.59	A	7715	Acquired	2018-02-13	Common Stock (7715)	Direct
2011-02-14	Incentive Stock Option (right to buy)	$77.59	A	1288	Acquired	2018-02-13	Common Stock (1288)	Direct
2011-02-14	Restricted Stock Unit	$	A	967	Acquired		Common Stock (967)	Direct
2011-02-14	Restricted Stock Unit	$	M	714	Disposed		Common Stock (714)	Direct
2011-02-14	Restricted Stock Unit	$	M	258	Disposed		Common Stock (258)	Direct
2011-02-14	Restricted Stock Unit	$	M	400	Disposed		Common Stock (400)	Direct
2011-02-14	Restricted Stock Unit	$	M	282	Disposed		Common Stock (282)	Direct

Footnotes

F1: Grant of options to buy shares of common stock becomes exercisable as to 1,801 shares on each of 02/14/2012, 02/14/2013 and 02/14/2014, 1,800 shares on 02/14/2015, and the remaining 512 shares on 02/14/2016.

F2: Grant of options to buy shares of common stock that vest on the fifth anniversary date (02/14/2016) of the grant.

F3: Each restricted stock unit represents a contingent right to receive one share of IDEXX Laboratories, Inc. common stock. The restricted stock units vest in five equal annual installments, beginning on the first anniversary date (02/14/2012) of the date of grant.

F4: Each restricted stock unit represents a contingent right to receive one share of IDEXX Laboratories, Inc. common stock. The restricted stock units vest in five equal annual installments, beginning on the first anniversary date (02/14/2008) of the date of grant.

F5: Each restricted stock unit represents a contingent right to receive one share of IDEXX Laboratories, Inc. common stock. The restricted stock units vest in five equal annual installments, beginning on the first anniversary date (02/14/2009) of the date of grant.

F6: Each restricted stock unit represents a contingent right to receive one share of IDEXX Laboratories, Inc. common stock. The restricted stock units vest in five equal annual installments, beginning on the first anniversary date (02/14/2010) of the date of grant.

F7: Each restricted stock unit represents a contingent right to receive one share of IDEXX Laboratories, Inc. common stock. The restricted stock units vest in five equal annual installments, beginning on the first anniversary date (02/14/2011) of the date of grant.