Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
BROWN WILLIAM E III
  2. Issuer Name and Ticker or Trading Symbol
IDEXX LABORATORIES INC /DE [IDXX]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Corporate Vice President
(Last)
(First)
(Middle)
ONE IDEXX DRIVE
3. Date of Earliest Transaction (Month/Day/Year)
02/14/2010
(Street)

WESTBROOK, ME 04092
4. If Amendment, Date 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
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)
4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)
7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)
6. Date Exercisable and Expiration Date
(Month/Day/Year)
7. Title and Amount of Underlying Securities
(Instr. 3 and 4)
8. Price of Derivative Security
(Instr. 5)
9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)
10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)
11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Incentive Stock Option (right to buy) $ 53.31 02/14/2010   A   3,750     (1) 02/13/2017 Common Stock 3,750 $ 0 3,750 D  
Non-Qualified Stock Option (right to buy) $ 53.31 02/14/2010   A   16,548     (2) 02/13/2017 Common Stock 16,548 $ 0 16,548 D  
Restricted Stock Unit (3) 02/14/2010   A   2,110     (3)   (3) Common Stock 2,110 $ 0 5,680 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
BROWN WILLIAM E III
ONE IDEXX DRIVE
WESTBROOK, ME 04092
      Corporate Vice President  

Signatures

 John B. Rogers, Attorney-in-Fact for William E. Brown III, PhD   02/17/2010
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(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).
(1) Grant of option to buy shares of IDEXX Laboratories, Inc. common stock becomes exercisable in two equal annual increments beginning on the fourth anniversary (2/14/2014) of the date of grant.
(2) Grant of option to buy shares of IDEXX Laboratories, Inc. common stock exercisable as to 4,060 shares on each of 2/14/2011, 2/14/2012 and 2/14/2013 and 2,184 shares on 2/14/2014 and 2/14/2015.
(3) Each restricted stock unit represents a contingent right to receive one shares of IDEXX Laboratories, Inc. common stock. Restricted stock units vest in five equal annual increments beginning on the first anniversary date (2/14/2011) of the date of grant.

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