IDEXX LABORATORIES INC /DE — Director's Dealing 2020

May 8, 2020

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: IDEXX LABORATORIES INC /DE (IDXX)
CIK: 0000874716
Period of Report: 2020-05-06

Reporting Person: Kingsley Lawrence D (Director)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2020-05-06	Deferred Stock Unit	$	A	370	Acquired		Common Stock (370)	Direct
2020-05-06	Deferred Stock Unit	$	A	141	Acquired		Common Stock (141)	Direct
2020-05-06	Non-Qualified Stock Option (right-to-buy)	$283.59	A	1279	Acquired	2030-05-05	Common Stock (1279)	Direct
2020-05-06	Non-Qualified Stock Option (right-to-buy)	$283.59	A	487	Acquired	2030-05-05	Common Stock (487)	Direct

Footnotes

F1: Each deferred stock unit represents a contingent right to receive one share of IDEXX Laboratories, Inc. common stock. Deferred stock units vest in one installment on the one year anniversary of the date of grant or on the date of the 2021 annual meeting of shareholders, whichever event is earlier, and are payable as common stock one year following the Director's resignation from the Board of Directors.

F2: Additional grant made pursuant to reporting person's role as Non-Executive Chairman of the Board.

F3: Grant of option to buy shares of IDEXX Laboratories, Inc. common stock that vest in one installment on the one year anniversary of the date of grant or on the date of the 2021 annual meeting of shareholders, whichever event is earlier.

F4: Not applicable.