IDEXX LABORATORIES INC /DE — Director's Dealing 2014

Dec 9, 2014

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: IDEXX LABORATORIES INC /DE (IDXX)
CIK: 0000874716
Period of Report: 2014-12-05

Reporting Person: MAZELSKY JAY (Executive Vice President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2014-12-05	Common Stock	M	481	—	Acquired	2521	Direct
2014-12-05	Common Stock	F	155	$148.62	Disposed	2366	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2014-12-05	Restricted Stock Unit	$	M	481	Disposed		Common Stock (481)	Direct

Footnotes

F1: Includes 45 shares acquired under the IDEXX Laboratories, Inc. Employee Stock Purchase Plan on 09/30/2014.

F2: Represents restricted stock units previously granted on 12/05/2013 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 (12/05/2014).