IDEXX LABORATORIES INC /DE — Director's Dealing 2015

Jan 15, 2015

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: IDEXX LABORATORIES INC /DE (IDXX)
CIK: 0000874716
Period of Report: 2015-01-14

Reporting Person: AYERS JONATHAN W (Director, Chairman, President & CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2015-01-14	Common Stock	M	28512	$28.655	Acquired	459642	Direct
2015-01-14	Common Stock	S	100	$153.70	Disposed	459542	Direct
2015-01-14	Common Stock	S	4200	$155.5162	Disposed	455342	Direct
2015-01-14	Common Stock	S	3300	$156.0286	Disposed	452042	Direct
2015-01-14	Common Stock	S	1593	$157.2315	Disposed	450449	Direct
2015-01-14	Common Stock	S	15824	$158.3782	Disposed	434625	Direct
2015-01-14	Common Stock	S	3495	$158.9854	Disposed	431130	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2015-01-14	Non-Qualified Stock Option (right to buy)	$28.655	M	28512	Disposed	2015-02-02	Common Stock (28512)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	49000	Indirect

Footnotes

F1: Includes 49 shares acquired under the IDEXX Laboratories, Inc. Employee Stock Purchase Plan on 12/31/2014.

F2: The sale reported above was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 02/28/2014.

F3: The sale price reported reflects the weighted average sale price of multiple transactions on the reported date at prices that ranged from $154.765 to $155.75, 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 ranges set forth in footnotes 3, 4, 5, 6 and 7 to this Form 4.

F4: The sale price reported reflects the weighted average sale price of multiple transactions on the reported date at prices that ranged from $155.76 to $156.41, inclusive.

F5: The sale price reported reflects the weighted average sale price of multiple transactions on the reported date at prices that ranged from $156.855 to $157.72, inclusive.

F6: The sale price reported reflects the weighted average sale price of multiple transactions on the reported date at prices that ranged from $157.90 to $158.86, inclusive.

F7: The sale price reported reflects the weighted average sale price of multiple transactions on the reported date at prices that ranged from $158.91 to $159.00, inclusive.

F8: Grant of options to buy shares of common stock that became exercisable as to 20,000 shares on 02/03/2006, 02/03/2007, 02/03/2008 and 02/03/2009, and the remaining 16,512 shares on 02/03/2010.