IDEXX LABORATORIES INC /DE — Director's Dealing 2015

May 20, 2015

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: IDEXX LABORATORIES INC /DE (IDXX)
CIK: 0000874716
Period of Report: 2015-05-18

Reporting Person: END WILLIAM T (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2015-05-18	Common Stock	S	3527	$134.5074	Disposed	26827	Direct

Footnotes

F1: The sale price reported reflects the weighted average sale price of multiple transactions on the reported date at prices that ranged from $134.50 to $134.52, 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.