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        <TotalCompensationFilingOrgAmt>318489</TotalCompensationFilingOrgAmt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>RONALD MILETTA</PersonNm>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>SUE DESCH</PersonNm>
        <TitleTxt>CFO</TitleTxt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>KELLIE KIM</PersonNm>
        <TitleTxt>VP OF RESEARCH PRTNR</TitleTxt>
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        <NontaxableBenefitsFilingOrgAmt>972</NontaxableBenefitsFilingOrgAmt>
        <TotalCompensationFilingOrgAmt>203557</TotalCompensationFilingOrgAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>MELISSA GRAY</PersonNm>
        <TitleTxt>CHIEF PEOPLE OFFICER</TitleTxt>
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        <NontaxableBenefitsFilingOrgAmt>24878</NontaxableBenefitsFilingOrgAmt>
        <TotalCompensationFilingOrgAmt>218608</TotalCompensationFilingOrgAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>SHEILA ARENS OLENE</PersonNm>
        <TitleTxt>ED RESEARCH &amp; EVAL</TitleTxt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>DALE LEWIS</PersonNm>
        <TitleTxt>VP LARGE PROGRAMS</TitleTxt>
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        <DeferredCompensationFlngOrgAmt>16125</DeferredCompensationFlngOrgAmt>
        <NontaxableBenefitsFilingOrgAmt>23541</NontaxableBenefitsFilingOrgAmt>
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      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>CHRISTINA TYDEMAN</PersonNm>
        <TitleTxt>EXEC. PROGRAM DIR.</TitleTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 2, PART III, LINE 4D</FormAndLineReferenceDesc>
        <ExplanationTxt>LICENSES AND PUBLICATIONS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART V, LINE 4B</FormAndLineReferenceDesc>
        <ExplanationTxt>AUSTRALIA</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FORM 990 IS MADE AVAILABLE TO THE GOVERNING BOARD FOR REVIEW PRIOR TO FILING.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>EVERY BOARD MEMBER IS REQUIRED TO REVIEW AND SIGN A CONFLICT OF INTEREST POLICY DISCLOSURE AND SUBMIT IT TO THE CFO AT THE ANNUAL BOARD MEETING. THE INFORMATION IS REVIEWED AND SHARED WITH THE BOARD'S EXECUTIVE COMMITTEE TO RESOLVE ANY CONFLICTS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 15A</FormAndLineReferenceDesc>
        <ExplanationTxt>UNDER MCREL'S BYLAWS, THE BOARD OF DIRECTORS DELEGATES THE DETERMINATION OF THE CEO'S COMPENSATION TO ITS EXECUTIVE COMMITTEE. THE BOARD HAS ESTABLISHED MINIMUM REQUIREMENTS FOR THIS PROCESS WHICH INCLUDE,THE EXECUTIVE COMMITTEE UTILIZES INDEPENDENT COMPENSATION STUDIES (UPDATED AT LEAST EVERY TWO YEARS) IN ITS DELIBERATION REGARDING CEO COMPENSATION. THIS COMMITTEE MAY ALSO UTILIZE INFORMATION RECEIVED BY MCREL FROM ITS COMPENSATION CONSULTANT OR FROM OTHER SOURCES IT DETERMINES ARE APPROPRIATE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 15B</FormAndLineReferenceDesc>
        <ExplanationTxt>FOR OTHER EMPLOYEES, THE CEO UTILIZES INDEPENDENT COMPENSATION STUDIES (UPDATED AT LEAST EVERY TWO YEARS) FOR HIS/HER DECISIONS REGARDING COMPENSATION FOR DIRECT REPORTS, AND REQUIRES ALL STAFF COMPENSATION TO BE DETERMINED WITH CONSIDERATION OF INDEPENDENT COMPENSATION STUDIES EITHER THROUGH APPROVAL BY THE CEO AND/OR HIS/HER DESIGNEE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>ALL COPIES OF THE ORGANIZATION'S GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY AND FINANCIAL STATEMENTS ARE AVAILABLE FOR INSPECTION AT MCREL'S OFFICE UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 12, PART XII, LINE 2C</FormAndLineReferenceDesc>
        <ExplanationTxt>THIS PROCESS HAS NOT CHANGED FROM THE PRIOR YEAR.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
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          <BusinessNameLine1Txt>MID-CONTINENT LAB INC</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>4601 DTC BLVD 500</AddressLine1Txt>
          <CityNm>DENVER</CityNm>
          <StateAbbreviationCd>CO</StateAbbreviationCd>
          <ZIPCd>80237</ZIPCd>
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        <LegalDomicileStateCd>CO</LegalDomicileStateCd>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>NA</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <EntityTypeTxt>C CORP</EntityTypeTxt>
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      <RentalOfFacilitiesToOthOrgInd>false</RentalOfFacilitiesToOthOrgInd>
      <RentalOfFcltsFromOthOrgInd>false</RentalOfFcltsFromOthOrgInd>
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