IDEXX LABORATORIES INC /DE — Director's Dealing 2016

May 31, 2016

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: IDEXX LABORATORIES INC /DE (IDXX)
CIK: 0000874716
Period of Report: 2016-05-27

Reporting Person: SZOSTAK M ANNE (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2016-05-27	Common Stock	G	6600	—	Disposed	0	Indirect
2016-05-27	Common Stock	G	6600	—	Acquired	15416	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	584	Direct

Footnotes

F1: These shares have been transferred from the 2014 Szostak IDEXX GRAT to the M. Anne Szostak Trust (the "Trust"). The reporting person is the settlor of the Trust, the trustee of the Trust, has power to direct the distribution of Trust assets, and has the power to revoke or amend the Trust. The reporting person has a pecuniary interest in the shares transferred to the Trust.