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UNITED STATES SECURITIES AND EXCHANGE COMMISSION
 WASHINGTON, D.C. 20549
 FORM
10-K/A
 (Amendment
No. 1)
 þ
    
    Annual Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act
of 1934
 for the fiscal year ended December 31, 2006
 or
 o
    
    Transition Report Pursuant to Section 13 or 15(d) of the Securities
Exchange Act of 1934
 for the transition period from  to .
 Commission File No. 000-30109
 LUMINEX CORPORATION
  DELAWARE
    
    74-2747608(State or other jurisdiction of
    
    (I.R.S. Employerincorporation or organization)
    
    Identification No.)12212 TECHNOLOGY BLVD., AUSTIN, TEXAS
    
    78727(Address of principal executive offices)
    
    (Zip Code)
 (512) 219-8020
 
 Title of each class
    
    Name of exchange on which registeredCommon Stock, $0.001 par value
    
    The NASDAQ Global MarketRights to Purchase Series A Junior Participating Preferred Stock, $0.001 par value
    
    The NASDAQ Global Market
 NONE
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   DOCUMENTS INCORPORATED BY REFERENCE




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EXPLANATORY NOTE:




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PART IV
 
 ITEM 15. EXHIBITS AND FINANCIAL STATEMENT SCHEDULES
       EXHIBITNUMBER
    
    DESCRIPTION OF DOCUMENT2.1
    
    Asset Purchase Agreement, effective as of September 5, 2002, by and among
Rules-Based Medicine, Inc., Luminex Corporation and RBM Acquisition, Inc.
(Pursuant to Item 601(b)(2) of Regulation S-K, the schedules to this
agreement are omitted, but will be provided supplementally to the
Commission upon request) (Previously filed as an Exhibit to the Companys
Current Report on Form 8-K dated September 10, 2002).2.2
    
    Merger Agreement, dated December 14, 2006, by and between the Company and
Tm Bioscience Corporation (Previously filed as an Exhibit to the Companys
Current Report on Form 8-K dated December 15, 2006)3.1
    
    Restated Certificate of Incorporation of the Company (Previously filed as
an Exhibit to the Companys Registration Statement on Form S-1 (File No.
333-96317), filed February 7, 2000, as amended).3.2
    
    Amended and Restated Bylaws of the Company (Previously filed as an Exhibit
to the Companys Registration Statement on Form S-1 (File No. 333-96317),
filed February 7, 2000, as amended).4.1
    
    Rights Agreement dated as of June 20, 2001 between Luminex Corporation and
Mellon Investor Services, LLC, as Rights Agent which includes as Exhibit A
the form of Certificate of Designations of Series A Junior Participating
Preferred Stock setting forth the terms of the Series A Junior
Participating Preferred Stock, as Exhibit B the form of Rights Certificate
and as Exhibit C the Summary of Rights (Previously filed as Exhibit 4 to
the Companys Current Report on Form 8-K dated June 21, 2001).10.1#
    
    1996 Stock Option Plan of the Company, as amended (Previously filed as an
Exhibit to the Companys Registration Statement on Form S-1 (File No.
333-96317), filed February 7, 2000, as amended).10.2#
    
    Form of Stock Option Agreement for the 1996 Stock Option Plan (Previously
filed as an Exhibit to the Companys Registration Statement on Form S-1
(File No. 333-96317), filed February 7, 2000, as
amended).10.3#
    
    Form of Incentive Stock Option Agreement for the 1996 Stock Option Plan
(Previously filed as an Exhibit to the Companys Registration Statement on
Form S-1 (File No. 333-96317), filed February 7, 2000, as amended).10.4#
    
    2000 Long-Term Incentive Plan of the Company, as amended (Previously filed
as an Exhibit to the Companys Quarterly Report on Form 10-Q for the
quarterly period ended March 31, 2002).




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EXHIBITNUMBER
    
    DESCRIPTION OF DOCUMENT10.5#
    
    Form of Stock Option Award Agreement for the 2000 Long-Term Incentive Plan
(Previously filed as an Exhibit to the Companys Registration Statement on
Form S-1 (File No. 333-96317), filed February 7, 2000, as amended).10.6#
    
    2001 Broad-Based Stock Option Plan of the Company (Previously filed as an
Exhibit to the Companys Annual Report on Form 10-K for the fiscal year
ended December 30, 2001).10.7#
    
    Form of Option Grant Certificate for the 2001 Broad-Based Stock Option
Plan (Previously filed as an Exhibit to the Companys Annual Report on
Form 10-K for the fiscal year ended December 30, 2001).10.8+
    
    Development and Supply Agreement dated as of March 19, 1999 by and between
the Company and Bio-Rad Laboratories, Inc. (Previously filed as an Exhibit
to the Companys Registration Statement on Form S-1 (File No. 333-96317),
filed February 7, 2000, as amended).10.9+
    
    Amendment to Development and Supply Agreement dated as of January 13, 2000
by and between the Company and Bio-Rad Laboratories, Inc. (Previously
filed as an Exhibit to the Companys Registration Statement on Form S-1
(File No. 333-96317), filed February 7, 2000, as amended).10.10
    
    Second Amendment to Development and Supply Agreement dated as of June 12,
2000 by and between the Company and Bio-Rad Laboratories, Inc. (Previously
filed as an Exhibit to the Companys Annual Report on Form 10-K for the
fiscal year ended December 31, 2000).10.11+
    
    Distribution, Development and Supply Agreement dated as of August 6, 2001
by and between the Company and Miraibio, Inc (Previously filed as an
Exhibit to the Companys Annual Report on Form 10-K for the fiscal year
ended December 30, 2001).10.12+
    
    Agreement for Electronic Manufacturing Services dated as of January 1,
2000 by and between the Company and Sanmina Corporation (Previously filed
as an Exhibit to the Companys Registration Statement on Form S-1 (File
No. 333-96317), filed February 7, 2000, as amended).10.13#
    
    Form of Amended and Restated Employment Agreement between the Company and
each of Randel S. Marfin, James W. Jacobson, Ph.D. and Oliver H. Meek
(Previously filed as an Exhibit to the Companys Quarterly Report on Form
10-Q for the period ended June 30, 2002).10.14#
    
    Form of Indemnification Agreement dated May 22, 2002 between the Company
and each of the directors and officers of the Company (Previously filed as
an Exhibit to the Companys Quarterly Report on Form 10-Q for the period
ended June 30, 2002).10.15
    
    Lease Agreement between Aetna Life Insurance Company, as Landlord, and
Luminex Corporation, as Tenant, dated October 19, 2001 (Previously filed
as an Exhibit to the Companys Form 10-Q for the quarterly period ended
September 30, 2001).10.16
    
    First Amendment to Lease Agreement between Aetna Life Insurance Company,
as Landlord, and Luminex Corporation as Tenant, dated July 25, 2002.
(Previously filed as an Exhibit to the Companys Quarterly Report on Form
10-Q for the period ended June 30, 2002).10.17
    
    Lease Amendment between McNeil 4 & 5 Investors, LP, as Landlord, and
Luminex Corporation, as Tenant, dated January 27, 2003 (Previously filed
as an Exhibit to the Companys Annual Report on Form 10-K for the fiscal
year ended December 31, 2002).10.18
    
    Sublease Agreement dated as of May 2, 2002 by and between the Company and
American Innovations, Ltd., for facilities situated at 12112 Technology
Boulevard, Austin, Texas 78727 (Previously filed as an Exhibit to the
Companys Quarterly Report on Form 10-Q for the period ended June 30,
2002).10.19#
    
    Employment Agreement, effective as of October 1, 2003, by and between
Luminex Corporation and Harriss T. Currie (Previously filed as an Exhibit
to the Companys Annual Report on form 10-K for the fiscal year ended
December 31, 2003).10.20#
    
    Employment Agreement effective as of October 1, 2003, by and between
Luminex Corporation and David S. Reiter (Previously filed as an Exhibit to
the Companys Annual Report on form 10-K for the fiscal year ended
December 31, 2003).




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EXHIBITNUMBER
    
    DESCRIPTION OF DOCUMENT10.21#
    
    Employment Agreement effective as of May 15, 2004, by and between Luminex
Corporation and Patrick J. Balthrop (Previously filed as an Exhibit to the
Companys Current Report on Form 8-K dated May 17, 2004).10.22#
    
    Employment Agreement effective as of October 25, 2004, by and between
Luminex Corporation and Gregory J. Gosch (Previously filed as an Exhibit
to the Companys Current Report on Form 8-K dated October 22, 2004).10.23#
    
    Employment Agreement effective as of May 23, 2005, by and between Luminex
Corporation and Russell W. Bradley (Previously filed as an Exhibit to the
Company s Current Report on Form 8-K dated May 23, 2005)10.24#
    
    Form of Restricted Stock Agreement for the 2000 Long-Term Incentive Plan
and 2001 Broad-Based Stock Option Plan (Previously filed as an Exhibit to
the Companys Quarterly Report on Form 10-Q for the quarterly period ended
September 30, 2004).10.25#
    
    Form of Non-Qualified Stock Option Agreement dated as of May 15, 2004, by
and between Luminex Corporation and Patrick J. Balthrop (Previously filed
as an Exhibit to the Companys Current Report on Form 8-K dated May 17,
2004).10.26#
    
    2006 Executive Officer Compensation Summary (Previously filed as an
Exhibit to the Companys Quarterly Report on Form 10-Q for the quarterly
period ended June 30, 2006).10.27#
    
    Form of Amendment to Executive Employment Agreements (Previously filed as
an Exhibit to the Companys Annual Report on Form 10-K for the fiscal
year ended December 31, 2006).10.28#
    
    Luminex Corporation 2006 Equity Incentive Plan (Previously filed as
Exhibit A to the Companys Proxy Statement for its Annual Meeting of
Shareholders held on May 25, 2006)10.29#
    
    Form of Non-Qualified Stock Option Agreement for the 2006 Equity Incentive
Plan (Previously filed as an Exhibit to the Companys Current Report on
Form 8-K dated May 25, 2006)10.30#
    
    Form of Restricted Share Award Agreement for Officers & Employees for the
2006 Equity Incentive Plan (Previously filed as an Exhibit to the
Companys Current Report on Form 8-K dated May 25, 2006)10.31#
    
    Form of Restricted Share Award Agreement for Directors for the 2006 Equity
Incentive Plan (Previously filed as an Exhibit to the Companys Current
Report on Form 8-K dated May 25, 2006)10.32#
    
    Luminex Corporation 2006 Management Stock Purchase Plan (Previously filed
as Exhibit B to the Companys Proxy Statement for its Annual Meeting of
Shareholders held on May 25, 2006)10.33
    
    Credit Agreement, dated March 1, 2007, by and between the Luminex
Corporation and JPMorgan Chase Bank, N.A. (Previously filed as an Exhibit
to the Companys Current Report on Form 8-K dated March 1, 2007)10.34#
    
    Employment Agreement effective as of February 7, 2007, by and between
Luminex Corporation and John C. Carrano.**10.35#
    
    Employment Agreement effective as of March 1, 2007, by and between Luminex
Corporation, Tm Bioscience Corporation and Jeremy Bridge-Cook.**10.36#
    
    Form of Restricted Stock Unit
Agreement for the 2006 Equity Incentive Plan.**21.1
    
    Subsidiaries of the Company.**23.1
    
    Consent of Independent Registered Public Accounting Firm.




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EXHIBITNUMBER
    
    DESCRIPTION OF DOCUMENT24.1
    
    Power of Attorney.**31.1
    
    Certification by CEO pursuant to Securities and Exchange Act Rules
13a-14(a) and 15d  14(a), as adopted pursuant to Section 302 of the
Sarbanes-Oxley Act of 2002.31.2
    
    Certification by CFO pursuant to Securities and Exchange Act Rules
13a-14(a) and 15d  14(a), as adopted pursuant to Section 302 of the
Sarbanes-Oxley Act of 2002.32.1
    
    Certification by CEO pursuant to 18 U.S.C. Section 1350, as adopted
pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.**32.2
    
    Certification by CFO pursuant to 18 U.S.C. Section 1350, as adopted
pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.**
 
 #
    
    Management contract or compensatory plan or arrangement.+
    
    Confidential treatment requested for certain portions of this Exhibit pursuant to Rule
406 promulgated under the Securities Act and Rule 24b-2 promulgated under the Securities
Exchange Act, which portions are omitted and filed separately with the Securities and Exchange
Commission.**
    
    Previously filed as an Exhibit to the Companys
originally filed Annual Report on Form 10-K for the fiscal year ended
December 31, 2006. (c)
    
    See Exhibits listed under Item 15(a)(3).




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SIGNATURES
  LUMINEX CORPORATIONBy:
    
    /s/ Harriss T. CurrieHarriss T. Currie
Chief Financial Officer, VP  Finance
and Treasurer