IDEXX LABORATORIES INC /DE — Director's Dealing 2014

Feb 19, 2014

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: IDEXX LABORATORIES INC /DE (IDXX)
CIK: 0000874716
Period of Report: 2014-02-14

Reporting Person: MAZELSKY JAY (Executive Vice President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2014-02-14	Common Stock	M	273	—	Acquired	1188	Direct
2014-02-14	Common Stock	F	102	$124.00	Disposed	1086	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2014-02-14	Non-Qualified Stock Option (right to buy)	$124.00	A	9499	Acquired	2024-02-13	Common Stock (9499)	Direct
2024-02-14	Incentive Stock Option (right to buy)	$124.00	A	806	Acquired	2024-02-13	Common Stock (806)	Direct
2014-02-14	Restricted Stock Unit	$	A	1008	Acquired		Common Stock (1008)	Direct
2014-02-14	Restricted Stock Unit	$	M	273	Disposed		Common Stock (273)	Direct

Footnotes

F1: Includes 54 shares and 60 shares acquired under the IDEXX Laboratories, Inc. Employee Stock Purchase Plan on 09/30/2013 and 12/31/2013, respectively.

F2: Grant of options to buy shares of common stock becomes exercisable as to 2,061 shares on 02/14/2015, 02/14/2016, 02/14/2017 and 02/14/2018, and the remaining 1,255 shares on 02/14/2019.

F3: Grant of options to buy shares of common stock that vest on the fifth anniversary date (02/14/2019) of the grant.

F4: 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 (02/14/2015) of the date of grant.

F5: 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 (02/14/2014) of the date of grant.