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    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">UNITED
STATES</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">SECURITIES
AND EXCHANGE COMMISSION</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Washington,
D.C. 20549</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">FORM
8-K</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">CURRENT
REPORT</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Pursuant
to Section 13 or 15(d) of the Securities Exchange Act of 1934</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Date
of report (Date of earliest event reported): November 3, 2009</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 18pt; FONT-FAMILY: Times New Roman">IDEXX
LABORATORIES, INC.</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-STYLE: italic; FONT-FAMILY: Times New Roman">(Exact
name of registrant as specified in its charter)</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div>
      <table cellpadding="0" cellspacing="0" width="100%" style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">
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            <td valign="top" width="28%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">Delaware</font></div>
            </td>
            <td valign="top" width="25%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">000-19271</font></div>
            </td>
            <td valign="top" width="27%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">01-0393723</font></div>
            </td>
          </tr><tr>
            <td valign="top" width="28%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-STYLE: italic; FONT-FAMILY: times new roman">(State
      or other jurisdiction</font></div>
            </td>
            <td valign="top" width="25%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-STYLE: italic; FONT-FAMILY: times new roman">(Commission
      File Number)</font></div>
            </td>
            <td valign="top" width="27%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-STYLE: italic; FONT-FAMILY: times new roman">(IRS
      Employer Identification No.)</font></div>
            </td>
          </tr><tr>
            <td valign="top" width="28%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-STYLE: italic; FONT-FAMILY: times new roman">of
      incorporation)</font></div>
            </td>
            <td valign="top" width="25%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;
      </font></td>
            <td valign="top" width="27%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;
      </font></td>
          </tr></table>
    </div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div>
      <table cellpadding="0" cellspacing="0" width="100%" style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">
<tr>
            <td valign="top" width="44%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">One
      IDEXX Drive, Westbrook, Maine</font></div>
            </td>
            <td valign="top" width="35%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">04092</font></div>
            </td>
          </tr><tr>
            <td valign="top" width="44%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-STYLE: italic; FONT-FAMILY: times new roman">(Address
      of principal executive offices)</font></div>
            </td>
            <td valign="top" width="35%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-STYLE: italic; FONT-FAMILY: times new roman">(ZIP
      Code)</font></div>
            </td>
          </tr></table>
    </div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">207.556.0300</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-STYLE: italic; FONT-FAMILY: Times New Roman">(Registrant's
telephone number, including area code)</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Not
Applicable</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-STYLE: italic; FONT-FAMILY: Times New Roman">(Former
name or former address, if changed since last report)</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Check the
appropriate box below if the Form 8-K filing is intended to simultaneously
satisfy the filing obligation of the registrant under any of the following
provisions (see General Instruction A.2. to Form 8-K):</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div>
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            <td valign="top" width="8%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: wingdings">o</font></div>
            </td>
            <td align="left" valign="top" width="72%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">Written
      communications pursuant to Rule 425 under the Securities Act (17 CFR
      230.425)</font></div>
            </td>
          </tr><tr>
            <td valign="top" width="8%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: wingdings">o</font></div>
            </td>
            <td align="left" valign="top" width="72%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">Soliciting
      material pursuant to Rule 14a-12 under the Exchange Act (17 CFR
      240.14a-12)</font></div>
            </td>
          </tr><tr>
            <td valign="top" width="8%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: wingdings">o</font></div>
            </td>
            <td align="left" valign="top" width="72%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">Pre-commencement
      communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR
      240.14d-2(b))</font></div>
            </td>
          </tr><tr>
            <td valign="top" width="8%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: wingdings">o</font></div>
            </td>
            <td align="left" valign="top" width="72%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">Pre-commencement
      communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR
      240.13e-4(c))</font></div>
            </td>
          </tr></table>
    </div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div><br>
    <div id="PGBRK" style="MARGIN-LEFT: 0pt; WIDTH: 100%; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt">
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</font></div>
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        <div style="WIDTH: 100%; TEXT-ALIGN: center"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: Times New Roman">&#160;
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        </div>
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</font></div>
      </div>
    </div><br>
    <div>
      <table align="center" border="0" cellpadding="0" cellspacing="0" id="hangingindent" width="100%" style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">
<tr valign="top">
            <td style="WIDTH: 72pt">
              <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Item
      7.01</font></div>
            </td>
            <td>
              <div align="left"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Regulation
      FD Disclosure.</font></div>
            </td>
          </tr></table>
    </div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Jonathan
W. Ayers, Chairman and Chief Executive Officer of IDEXX Laboratories, Inc. (the
&#8220;Company&#8221;), has adopted, on November 3, 2009, a securities trading plan designed
to comply with Rule 10b5-1 under the Securities Exchange Act of 1934 (the
&#8220;Exchange Act&#8221;). The plan covers a portion of a stock option granted to Mr.
Ayers in January 2002 that will expire in January 2012. Under the plan, Mr.
Ayers may exercise, under pre-arranged terms, options to purchase up to 600,000
shares of IDEXX common stock and sell a portion of the shares received on
exercise.</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Of the
shares acquired on exercise, Mr. Ayers will retain shares having a value equal
to approximately 50% of the spread between the market price of the stock and the
option exercise price, after taxes and transaction expenses.&#160;&#160;He
intends to sell the remaining shares to cover the exercise price, transaction
expenses and taxes and to diversify his assets.</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">The
transactions under the Rule 10b5-1 plan are expected to occur between February
2010 and January 2011 and will be disclosed publicly as they occur through Form
144 and Form 4 filings with the Securities and Exchange Commission.</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Rule
10b5-1 plans permit individuals who are not in possession of material nonpublic
information to establish pre-arranged plans to buy or sell company stock. These
plans allow individuals to complete a plan of stock option exercises and
associated stock sales gradually over a period of time with advance notification
of the market, while avoiding concerns about whether they were aware of material
nonpublic information at the time transactions under the plan are
executed.</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Except as
may otherwise be required, the Company does not undertake any obligation to
update or report any modification, termination, or other activity under Mr.
Ayers&#8217;s Rule 10b5-1 plan.</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">The
information in this Form 8-K shall not be deemed &#8220;filed&#8221; for purposes of Section
18 of the Exchange Act or otherwise subject to the liabilities of that section,
nor shall it be deemed incorporated by reference in any filing under the
Securities Act of 1933 or the Exchange Act, except as expressly set forth by
specific reference to such a filing.</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div><br>
    <div id="PGBRK" style="MARGIN-LEFT: 0pt; WIDTH: 100%; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt">
      <div id="FTR">
        <div id="GLFTR" style="WIDTH: 100%" align="left"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: Times New Roman">&#160;
</font></div>
      </div>
      <div id="PN" style="PAGE-BREAK-AFTER: always">
        <div style="WIDTH: 100%; TEXT-ALIGN: center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">2</font></div>
        <div style="WIDTH: 100%; TEXT-ALIGN: center">
          <hr style="COLOR: black" noshade size="2">
        </div>
      </div>
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</font></div>
      </div>
    </div><br>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">SIGNATURES</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Pursuant
to the requirements of the Securities Exchange Act of 1934, the registrant has
duly caused this report to be signed on its behalf by the undersigned hereunto
duly authorized.</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div>
      <table cellpadding="0" cellspacing="0" width="100%" style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">
<tr>
            <td valign="top" width="37%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;
      </font></td>
            <td align="left" colspan="2" valign="top" width="41%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">IDEXX
      LABORATORIES, INC.</font></div>
            </td>
          </tr><tr>
            <td valign="top" width="37%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;
      </font></td>
            <td colspan="2" valign="top" width="41%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;
      </font></td>
          </tr><tr>
            <td valign="top" width="37%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;
      </font></td>
            <td colspan="2" valign="top" width="41%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;
      </font></td>
          </tr><tr>
            <td valign="top" width="37%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;
      </font></td>
            <td colspan="2" valign="top" width="41%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;
      </font></td>
          </tr><tr>
            <td align="left" valign="top" width="37%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">Date:
      November 4, 2009</font></div>
            </td>
            <td align="left" valign="top" width="5%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">By:</font></div>
            </td>
            <td align="left" valign="top" width="36%" style="BORDER-BOTTOM: black 2px solid">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">/s/
      Conan R. Deady</font></div>
            </td>
          </tr><tr>
            <td valign="top" width="37%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;
      </font></td>
            <td valign="top" width="5%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;
      </font></td>
            <td align="left" valign="top" width="36%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">Conan
      R. Deady</font></div>
            </td>
          </tr><tr>
            <td valign="top" width="37%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;
      </font></td>
            <td valign="top" width="5%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;
      </font></td>
            <td align="left" valign="top" width="36%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">Corporate
      Vice President, General Counsel</font></div>
            </td>
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form8k20091104.htm
UNITED
STATES
SECURITIES
AND EXCHANGE COMMISSION
Washington,
D.C. 20549
FORM
8-K
CURRENT
REPORT
Pursuant
to Section 13 or 15(d) of the Securities Exchange Act of 1934
Date
of report (Date of earliest event reported): November 3, 2009
IDEXX
LABORATORIES, INC.
(Exact
name of registrant as specified in its charter)
Delaware
000-19271
01-0393723
(State
      or other jurisdiction
(Commission
      File Number)
(IRS
      Employer Identification No.)
of
      incorporation)
One
      IDEXX Drive, Westbrook, Maine
04092
(Address
      of principal executive offices)
(ZIP
      Code)
207.556.0300
(Registrant's
telephone number, including area code)
Not
Applicable
(Former
name or former address, if changed since last report)
Check the
appropriate box below if the Form 8-K filing is intended to simultaneously
satisfy the filing obligation of the registrant under any of the following
provisions (see General Instruction A.2. to Form 8-K):
o
Written
      communications pursuant to Rule 425 under the Securities Act (17 CFR
      230.425)
o
Soliciting
      material pursuant to Rule 14a-12 under the Exchange Act (17 CFR
      240.14a-12)
o
Pre-commencement
      communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR
      240.14d-2(b))
o
Pre-commencement
      communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR
      240.13e-4(c))
Item
      7.01
Regulation
      FD Disclosure.
Jonathan
W. Ayers, Chairman and Chief Executive Officer of IDEXX Laboratories, Inc. (the
"Company"), has adopted, on November 3, 2009, a securities trading plan designed
to comply with Rule 10b5-1 under the Securities Exchange Act of 1934 (the
"Exchange Act"). The plan covers a portion of a stock option granted to Mr.
Ayers in January 2002 that will expire in January 2012. Under the plan, Mr.
Ayers may exercise, under pre-arranged terms, options to purchase up to 600,000
shares of IDEXX common stock and sell a portion of the shares received on
exercise.
Of the
shares acquired on exercise, Mr. Ayers will retain shares having a value equal
to approximately 50% of the spread between the market price of the stock and the
option exercise price, after taxes and transaction expenses.  He
intends to sell the remaining shares to cover the exercise price, transaction
expenses and taxes and to diversify his assets.
The
transactions under the Rule 10b5-1 plan are expected to occur between February
2010 and January 2011 and will be disclosed publicly as they occur through Form
144 and Form 4 filings with the Securities and Exchange Commission.
Rule
10b5-1 plans permit individuals who are not in possession of material nonpublic
information to establish pre-arranged plans to buy or sell company stock. These
plans allow individuals to complete a plan of stock option exercises and
associated stock sales gradually over a period of time with advance notification
of the market, while avoiding concerns about whether they were aware of material
nonpublic information at the time transactions under the plan are
executed.
Except as
may otherwise be required, the Company does not undertake any obligation to
update or report any modification, termination, or other activity under Mr.
Ayers's Rule 10b5-1 plan.
The
information in this Form 8-K shall not be deemed "filed" for purposes of Section
18 of the Exchange Act or otherwise subject to the liabilities of that section,
nor shall it be deemed incorporated by reference in any filing under the
Securities Act of 1933 or the Exchange Act, except as expressly set forth by
specific reference to such a filing.
2
SIGNATURES
Pursuant
to the requirements of the Securities Exchange Act of 1934, the registrant has
duly caused this report to be signed on its behalf by the undersigned hereunto
duly authorized.
IDEXX
      LABORATORIES, INC.
Date:
      November 4, 2009
By:
/s/
      Conan R. Deady
Conan
      R. Deady
Corporate
      Vice President, General Counsel
and
      Secretary
3