IDEXX LABORATORIES INC /DE — Director's Dealing 2011

Mar 4, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: IDEXX LABORATORIES INC /DE (IDXX)
CIK: 0000874716
Period of Report: 2011-03-03

Reporting Person: AYERS JONATHAN W (Director, Chairman, President & CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-03-03	Common Stock	M	2608	$38.335	Acquired	267451	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-03-03	Incentive Stock Option (right to buy)	$38.335	M	2608	Disposed	2013-02-13	Common Stock (2608)	Direct

Footnotes

F1: Grant of options to buy shares of common stock that vest on the fifth anniversary date (02/14/2011) of the grant.