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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
874716	Idexx Laboratories Inc	IDXX	In Vitro & In Vivo Diagnostic Substances (2835)	010393723

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1184149	W Jonathan Ayers	One Idexx Drive Westbrook ME 04092	Chairman, President & Ceo	Yes	Yes	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Acquisiton	2010-02-11	15,000	$12.60	142,697	No	4	M	Direct
Common Stock	Disposition	2010-02-11	12,140	$51.04	130,557	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	M	Direct
No	4	S	Direct

Reported Derivative Transactions

Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Non-Qualified Stock Option (right to buy)	Disposition	2010-02-11	15,000	$0.00	15,000	$12.60

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
820,320		2012-01-28	No	4	M	Direct

Footnotes

The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 3, 2009.
The sale price reported reflects the weighted average sale price of two transactions on the reported date of $51.00 and $52.00, respectively. The reporting person hereby undertakes to provide upon request by SEC staff, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
Grant of option to buy shares of common stock exercisable in five equal annual increments, beginning on the first anniversary date (1/28/2003) of the date of grant.