Form: 3

Initial statement of beneficial ownership of securities

October 5, 2006

SEC Form 3
FORM 3 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES


Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number: 3235-0104
Estimated average burden
hours per response: 0.5
1. Name and Address of Reporting Person*
Dupree Thomas J

(Last) (First) (Middle)
C/O IDEXX LABORATORIES, INC.
ONE IDEXX DRIVE

(Street)
WESTBROOK ME 04092

(City) (State) (Zip)
2. Date of Event Requiring Statement (Month/Day/Year)
09/27/2006
3. Issuer Name and Ticker or Trading Symbol
IDEXX LABORATORIES INC /DE [ IDXX ]
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director 10% Owner
X Officer (give title below) Other (specify below)
Corporate Vice President
5. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock 391 D
Table II - Derivative Securities Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4) 2. Date Exercisable and Expiration Date (Month/Day/Year) 3. Title and Amount of Securities Underlying Derivative Security (Instr. 4) 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 6. Nature of Indirect Beneficial Ownership (Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Incentive Stock Option (right to buy) (1) 03/10/2013 Common Stock 10,000 36.05 D
Incentive Stock Option (right to buy) (2) 02/04/2014 Common Stock 3,492 50.9 D
Incentive Stock Option (right to buy) (3) 02/02/2015 Common Stock 1,890 57.31 D
Incentive Stock Option (right to buy) (4) 02/13/2013 Common Stock 864 76.67 D
Non-Qualified Stock Option (right to buy) (2) 02/04/2014 Common Stock 3,008 50.9 D
Non-Qualified Stock Option (right to buy) (3) 02/02/2015 Common Stock 4,610 57.31 D
Non-Qualified Stock Option (right to buy) (4) 02/13/2013 Common Stock 1,799 76.67 D
Restricted Stock Unit (5) (5) Common Stock 664 (5) D
Explanation of Responses:
1. Grant of option to buy shares of Common Stock exercisable in five equal annual increments, beginning on the first anniversary date (3/10/2004) of the date of grant.
2. Grant of option to buy shares of Common Stock exercisable in five equal annual increments, beginning on the first anniversary date (2/05/2005) of the date of grant.
3. Grant of option to buy shares of Common Stock exercisable in five equal annual increments, beginning on the first anniversary date (02/03/2006) of the date of grant.
4. Grant of option to buy shares of Common Stock exercisable in five equal annual increments, beginning on 02/14/2007.
5. Each restricted stock unit represents a contingent right to receive one share of IDEXX Laboratories, Inc. Common Stock. The restricted stock units vest in five equal annual installments beginning on February 14, 2007.
Conan R. Deady, Attorney-in-Fact for Thomas J. Dupree 10/05/2006
** Signature of Reporting Person Date

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.