IDEXX LABORATORIES INC /DE — Director's Dealing 2016

Jan 5, 2016

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: IDEXX LABORATORIES INC /DE (IDXX)
CIK: 0000874716
Period of Report: 2016-01-01

Reporting Person: MCKEON BRIAN P (EVP, CFO, and Treasurer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2016-01-01	Common Stock	M	2820	$0.00	Acquired	31710	Direct
2016-01-01	Common Stock	F	1129	$72.92	Disposed	30581	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2016-01-01	Restricted Stock Unit	$	M	2820	Disposed		Common Stock (2820)	Direct

Footnotes

F1: The number of securities reported reflects a 2-for-1 stock split in the form of a 100% stock dividend on IDEXX Laboratories, Inc. common stock paid on June 15, 2015 (the "Stock Split").

F2: Reflects the closing price of Issuer's common stock on the NASDAQ market on December 31, 2015.

F3: These restricted stock units are part of a grant made to the reporting person on January 1, 2014 that have vested. 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 of the date of grant. The number of restricted stock units reported was adjusted to reflect the Stock Split.

F4: Not applicable.