IDEXX LABORATORIES INC /DE — Director's Dealing 2012

Sep 14, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: IDEXX LABORATORIES INC /DE (IDXX)
CIK: 0000874716
Period of Report: 2012-09-12

Reporting Person: RAINES MERILEE (Executive VP & CFO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-09-12	Common Stock	M	2032	$38.3350	Acquired	173053	Direct
2012-09-12	Common Stock	M	5694	$17.1350	Acquired	178747	Direct
2012-09-12	Common Stock	S	2032	$98.2873	Disposed	176715	Direct
2012-09-12	Common Stock	S	5694	$98.2873	Disposed	171021	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-09-12	Non-Qualified Stock Optiions (right to buy)	$38.3350	M	2032	Disposed	2013-02-13	Common Stock (2032)	Direct
2012-09-12	Non-Qualified Stock Optiions (right to buy)	$17.1350	M	5694	Disposed	2013-02-06	Common Stock (5694)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	13430	Indirect

Footnotes

F1: The sale reported above was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 04/26/2012.

F2: The sale price reported reflects the weighted average sale price of multiple transactions on the reported date at prices that ranged from $97.69 to $98.59, inclusive. The reporting person hereby undertakes to provide upon request to SEC staff, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price within the range.

F3: Grant of options to buy shares of common stock becomes exercisable as to 2,960 shares on 02/14/2007, 02/14/2008, 02/14/2009, 02/14/2010, and the remaining 352 shares on 02/14/2011.

F4: Grant of options to buy shares of common stock becomes exercisable as to 8,000 shares on 02/06/2004, 02/06/2005, 02/06/2006, 02/06/2007, and the remaining 2,164 shares on 02/06/2008.