IDEXX LABORATORIES INC /DE — Director's Dealing 2015

Nov 16, 2015

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: IDEXX LABORATORIES INC /DE (IDXX)
CIK: 0000874716
Period of Report: 2015-11-12

Reporting Person: HENDERSON REBECCA M (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2015-11-12	Common Stock	M	9054	$17.185	Acquired	23750	Direct
2015-11-12	Common Stock	S	2300	$68.391	Disposed	21450	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2015-11-12	Non-Qualified Stock Option (right-to-buy)	$17.185	M	9054	Disposed	2016-02-13	Common Stock (9054)	Direct

Footnotes

F1: The number of securities reported reflects a 2-for-1 stock split of IDEXX Laboratories, Inc. common stock that occurred on June 15, 2015 (the "Stock Split").

F2: Grant of option to buy shares of IDEXX Laboratories, Inc. common stock that became exercisable as to 4,527 shares on February 14, 2010, without giving effect to the Stock Split. The number of derivative securities reported as beneficially owned with respect to this option and its exercise price were adjusted to reflect the Stock Split.

F3: Not applicable.