IDEXX LABORATORIES INC /DE — Director's Dealing 2016

Aug 26, 2016

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: IDEXX LABORATORIES INC /DE (IDXX)
CIK: 0000874716
Period of Report: 2016-08-25

Reporting Person: HENDERSON REBECCA M (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2016-08-25	Common Stock	M	9924	$26.6550	Acquired	16678	Direct
2016-08-25	Common Stock	S	9924	$110.4346	Disposed	6754	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2016-08-25	Non-Qualified Stock Option (right-to-buy)	$26.6550	M	9924	Disposed	2017-02-13	Common Stock (9924)	Direct

Footnotes

F1: Grant of option to buy shares of IDEXX Laboratories, Inc. common stock that became exercisable as to 4,962 shares on February 14, 2011, without giving effect to the 2-for-1 stock split of IDEXX Laboratories, Inc. common stock that occurred on June 15, 2015 (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.

F2: Not applicable.