IDEXX LABORATORIES INC /DE — Director's Dealing 2016

Feb 11, 2016

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: IDEXX LABORATORIES INC /DE (IDXX)
CIK: 0000874716
Period of Report: 2016-02-09

Reporting Person: JOHNSON BARRY C (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2016-02-09	Common Stock	M	9054	$17.185	Acquired	12614	Direct
2016-02-09	Common Stock	S	9054	$68.8964	Disposed	3560	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2016-02-09	Non-Qualified Stock Option (right-to-buy)	$17.185	M	9054	Disposed	2016-02-13	Common Stock (9054)	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: The sale price reported reflects the weighted average sale price of multiple transactions on the reported date at prices that ranged from $68.90 to $68.93 inclusive. The reporting person hereby undertakes to provide upon request to SEC staff, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price within the range.

F3: Grant of option to buy shares of IDEXX Laboratories, Inc. common stock that became exercisable as to 4,527 shares on February 14, 2010, without giving effect to the 2-for-1 "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.

F4: Not applicable.