IDEXX LABORATORIES INC /DE — Director's Dealing 2011

Dec 5, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: IDEXX LABORATORIES INC /DE (IDXX)
CIK: 0000874716
Period of Report: 2011-12-01

Reporting Person: BROWN WILLIAM E III (Corporate Vice President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-12-01	Common Stock	M	893	—	Acquired	2391	Direct
2011-12-01	Common Stock	F	280	$74.77	Disposed	2111	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-12-01	Restricted Stock Unit	$	M	893	Disposed		Common Stock (893)	Direct

Footnotes

F1: 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 (12/01/2009) of the date of grant.