IDEXX LABORATORIES INC /DE — Director's Dealing 2015

May 8, 2015

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: IDEXX LABORATORIES INC /DE (IDXX)
CIK: 0000874716
Period of Report: 2015-05-06

Reporting Person: JOHNSON BARRY C (Director)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2015-05-06	Deferred Stock Unit	$	A	342	Acquired		Common Stock (342)	Direct
2015-05-06	Non-Qualified Stock Option (right to buy)	$127.90	A	3861	Acquired	2025-05-05	Common Stock (3861)	Direct

Footnotes

F1: Each deferred stock unit represents a contingent right to receive one share of IDEXX Laboratories, Inc. common stock. The deferred stock units vest 100% on 05/04/2016 and are payable as common stock one year following the Director's resignation from the Board of Directors.

F2: Grant of options to buy shares of common stock that vest 100% on 05/04/2016.