IDEXX LABORATORIES INC /DE — Director's Dealing 2021

Aug 9, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: IDEXX LABORATORIES INC /DE (IDXX)
CIK: 0000874716
Period of Report: 2021-08-06

Reporting Person: SZOSTAK M ANNE (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-08-06	Common Stock	S	312	$681.4902	Disposed	9905	Indirect
2021-08-06	Common Stock	S	368	$682.7704	Disposed	9537	Indirect
2021-08-06	Common Stock	S	120	$683.7083	Disposed	9417	Indirect
2021-08-06	Common Stock	S	439	$684.9576	Disposed	8978	Indirect
2021-08-06	Common Stock	S	261	$685.9844	Disposed	8717	Indirect
2021-08-06	Common Stock	S	300	$689.6040	Disposed	8417	Indirect
2021-08-06	Common Stock	S	300	$690.6490	Disposed	8117	Indirect
2021-08-06	Common Stock	S	300	$691.7455	Disposed	7817	Indirect
2021-08-06	Common Stock	S	595	$693.9083	Disposed	7222	Indirect
2021-08-06	Common Stock	S	5	$694.62	Disposed	7217	Indirect

Footnotes

F1: The reporting person is the settlor and trustee of the 2021 Szostak IDEXX GRAT (the "GRAT"). The GRAT is irrevocable, and the reporting person disclaims beneficial ownership of these shares except to the extent of her pecuniary interest therein.

F2: Represents the weighted average price of the shares sold ranging from a low of $681.18 to a high of $682.00 per share. The undersigned undertakes, upon request by the Commission staff, the issuer or a security holder of the issuer, to provide full information regarding the number of shares purchased at each separate price.

F3: Represents the weighted average price of the shares sold ranging from a low of $682.30 to a high of $683.20 per share. The undersigned undertakes, upon request by the Commission staff, the issuer or a security holder of the issuer, to provide full information regarding the number of shares purchased at each separate price.

F4: Represents the weighted average price of the shares sold ranging from a low of $683.38 to a high of $683.79 per share. The undersigned undertakes, upon request by the Commission staff, the issuer or a security holder of the issuer, to provide full information regarding the number of shares purchased at each separate price.

F5: Represents the weighted average price of the shares sold ranging from a low of $684.39 to a high of $685.25 per share. The undersigned undertakes, upon request by the Commission staff, the issuer or a security holder of the issuer, to provide full information regarding the number of shares purchased at each separate price.

F6: Represents the weighted average price of the shares sold ranging from a low of $685.48 to a high of $686.35 per share. The undersigned undertakes, upon request by the Commission staff, the issuer or a security holder of the issuer, to provide full information regarding the number of shares purchased at each separate price.

F7: Represents the weighted average price of the shares sold ranging from a low of $689.27 to a high of $690.23 per share. The undersigned undertakes, upon request by the Commission staff, the issuer or a security holder of the issuer, to provide full information regarding the number of shares purchased at each separate price.

F8: Represents the weighted average price of the shares sold ranging from a low of $690.32 to a high of $691.21 per share. The undersigned undertakes, upon request by the Commission staff, the issuer or a security holder of the issuer, to provide full information regarding the number of shares purchased at each separate price.

F9: Represents the weighted average price of the shares sold ranging from a low of $691.47 to a high of $692.22 per share. The undersigned undertakes, upon request by the Commission staff, the issuer or a security holder of the issuer, to provide full information regarding the number of shares purchased at each separate price.

F10: Represents the weighted average price of the shares sold ranging from a low of $693.53 to a high of $694.51 per share. The undersigned undertakes, upon request by the Commission staff, the issuer or a security holder of the issuer, to provide full information regarding the number of shares purchased at each separate price.