IDEXX LABORATORIES INC /DE — Director's Dealing 2015

Dec 8, 2015

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: IDEXX LABORATORIES INC /DE (IDXX)
CIK: 0000874716
Period of Report: 2015-12-05

Reporting Person: POWERS JOHNNY D (Executive Vice President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2015-12-05	Common Stock	M	962	$0.00	Acquired	26441	Direct
2015-12-05	Common Stock	F	480	$70.40	Disposed	25961	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2015-12-05	Restricted Stock Unit	$	M	962	Disposed		Common Stock (962)	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") and includes 82 shares (without giving effect to the Stock Split) and 79 shares acquired under the IDEXX Laboratories, Inc. Employee Stock Purchase Plan on June 30, 2015 and September 30, 2015, respectively

F2: Reflects the closing price of Issuer's common stock on the NASDAQ market on December 4, 2015.

F3: Represents restricted stock units previously granted on December 5, 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. The number of restricted stock units reported was adjusted to reflect the Stock Split.

F4: Not applicable.