﻿<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.irs.gov/efile" returnVersion="2017v2.3">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2018-11-12T07:43:01-06:00</ReturnTs>
    <TaxPeriodEndDt>2017-12-31</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>010494526</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>BAKER NEWMAN &amp; NOYES LLC</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>650 ELM STREET SUITE 302</AddressLine1Txt>
        <CityNm>MANCHESTER</CityNm>
        <StateAbbreviationCd>NH</StateAbbreviationCd>
        <ZIPCd>03101</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990</ReturnTypeCd>
    <TaxPeriodBeginDt>2017-01-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>010286541</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>Maine Dental Service Corporation</BusinessNameLine1Txt>
      </BusinessName>
      <BusinessNameControlTxt>MAIN</BusinessNameControlTxt>
      <PhoneNum>6032231000</PhoneNum>
      <USAddress>
        <AddressLine1Txt>PO Box 2002</AddressLine1Txt>
        <CityNm>Concord</CityNm>
        <StateAbbreviationCd>NH</StateAbbreviationCd>
        <ZIPCd>033022002</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>Thomas Raffio</PersonNm>
      <PersonTitleTxt>President &amp; CEO</PersonTitleTxt>
      <PhoneNum>6032231000</PhoneNum>
      <SignatureDt>2018-11-08</SignatureDt>
      <DiscussWithPaidPreparerInd>1</DiscussWithPaidPreparerInd>
    </BusinessOfficerGrp>
    <PreparerPersonGrp>
      <PreparerPersonNm>E Drew Cheney</PreparerPersonNm>
      <PTIN>P00182972</PTIN>
      <PhoneNum>8002447444</PhoneNum>
      <PreparationDt>2018-11-08</PreparationDt>
    </PreparerPersonGrp>
    <FilingSecurityInformation>
      <IPAddress>
        <IPv4AddressTxt>208.105.168.164</IPv4AddressTxt>
      </IPAddress>
      <IPDt>2018-11-08</IPDt>
      <IPTm>09:58:17</IPTm>
      <IPTimezoneCd>ES</IPTimezoneCd>
      <FilingLicenseTypeCd>P</FilingLicenseTypeCd>
      <AtSubmissionCreationDeviceId>A664E523594A7D029D88D3AD4966DBCC0261F172</AtSubmissionCreationDeviceId>
      <AtSubmissionFilingDeviceId>E7C342458DF4D4AB2E77FA21342842838D49B854</AtSubmissionFilingDeviceId>
    </FilingSecurityInformation>
    <TaxYr>2017</TaxYr>
    <BuildTS>2019-02-21 02:37:17Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="7">
    <IRS990 documentId="RetDoc1038000001" referenceDocumentId="RetDoc1044400001">
      <DoingBusinessAsName>
        <BusinessNameLine1Txt>Delta Dental Plan of Maine</BusinessNameLine1Txt>
      </DoingBusinessAsName>
      <PrincipalOfficerNm>Thomas Raffio</PrincipalOfficerNm>
      <USAddress>
        <AddressLine1Txt>PO Box 2002</AddressLine1Txt>
        <CityNm>Concord</CityNm>
        <StateAbbreviationCd>NH</StateAbbreviationCd>
        <ZIPCd>033022002</ZIPCd>
      </USAddress>
      <GrossReceiptsAmt>130863718</GrossReceiptsAmt>
      <GroupReturnForAffiliatesInd>0</GroupReturnForAffiliatesInd>
      <Organization501cInd organization501cTypeTxt="4">X</Organization501cInd>
      <WebsiteAddressTxt>www.nedelta.com</WebsiteAddressTxt>
      <TypeOfOrganizationCorpInd>X</TypeOfOrganizationCorpInd>
      <FormationYr>1965</FormationYr>
      <LegalDomicileStateCd>ME</LegalDomicileStateCd>
      <ActivityOrMissionDesc>Provides programs of dental care</ActivityOrMissionDesc>
      <VotingMembersGoverningBodyCnt>14</VotingMembersGoverningBodyCnt>
      <VotingMembersIndependentCnt>10</VotingMembersIndependentCnt>
      <TotalEmployeeCnt>6</TotalEmployeeCnt>
      <TotalVolunteersCnt>0</TotalVolunteersCnt>
      <TotalGrossUBIAmt>100000</TotalGrossUBIAmt>
      <NetUnrelatedBusTxblIncmAmt>0</NetUnrelatedBusTxblIncmAmt>
      <PYContributionsGrantsAmt>0</PYContributionsGrantsAmt>
      <CYContributionsGrantsAmt>0</CYContributionsGrantsAmt>
      <PYProgramServiceRevenueAmt>113967940</PYProgramServiceRevenueAmt>
      <CYProgramServiceRevenueAmt>122171132</CYProgramServiceRevenueAmt>
      <PYInvestmentIncomeAmt>791963</PYInvestmentIncomeAmt>
      <CYInvestmentIncomeAmt>2560305</CYInvestmentIncomeAmt>
      <PYOtherRevenueAmt>0</PYOtherRevenueAmt>
      <CYOtherRevenueAmt>0</CYOtherRevenueAmt>
      <PYTotalRevenueAmt>114759903</PYTotalRevenueAmt>
      <CYTotalRevenueAmt>124731437</CYTotalRevenueAmt>
      <PYGrantsAndSimilarPaidAmt>813216</PYGrantsAndSimilarPaidAmt>
      <CYGrantsAndSimilarPaidAmt>379300</CYGrantsAndSimilarPaidAmt>
      <PYBenefitsPaidToMembersAmt>96544772</PYBenefitsPaidToMembersAmt>
      <CYBenefitsPaidToMembersAmt>103563094</CYBenefitsPaidToMembersAmt>
      <PYSalariesCompEmpBnftPaidAmt>754673</PYSalariesCompEmpBnftPaidAmt>
      <CYSalariesCompEmpBnftPaidAmt>848560</CYSalariesCompEmpBnftPaidAmt>
      <PYTotalProfFndrsngExpnsAmt>0</PYTotalProfFndrsngExpnsAmt>
      <CYTotalProfFndrsngExpnsAmt>0</CYTotalProfFndrsngExpnsAmt>
      <CYTotalFundraisingExpenseAmt>0</CYTotalFundraisingExpenseAmt>
      <PYOtherExpensesAmt>13165177</PYOtherExpensesAmt>
      <CYOtherExpensesAmt>13887080</CYOtherExpensesAmt>
      <PYTotalExpensesAmt>111277838</PYTotalExpensesAmt>
      <CYTotalExpensesAmt>118678034</CYTotalExpensesAmt>
      <PYRevenuesLessExpensesAmt>3482065</PYRevenuesLessExpensesAmt>
      <CYRevenuesLessExpensesAmt>6053403</CYRevenuesLessExpensesAmt>
      <TotalAssetsBOYAmt>53941597</TotalAssetsBOYAmt>
      <TotalAssetsEOYAmt>59662302</TotalAssetsEOYAmt>
      <TotalLiabilitiesBOYAmt>6771099</TotalLiabilitiesBOYAmt>
      <TotalLiabilitiesEOYAmt>6153366</TotalLiabilitiesEOYAmt>
      <NetAssetsOrFundBalancesBOYAmt>47170498</NetAssetsOrFundBalancesBOYAmt>
      <NetAssetsOrFundBalancesEOYAmt>53508936</NetAssetsOrFundBalancesEOYAmt>
      <InfoInScheduleOPartIIIInd>X</InfoInScheduleOPartIIIInd>
      <MissionDesc>It is our mission to advance the oral health and overall wellness of our customers and the general public by providing innovative benefits and professional partnerships through diversified strategic business and philanthropic initiatives.</MissionDesc>
      <SignificantNewProgramSrvcInd>0</SignificantNewProgramSrvcInd>
      <SignificantChangeInd>0</SignificantChangeInd>
      <ExpenseAmt>107752451</ExpenseAmt>
      <RevenueAmt>122071132</RevenueAmt>
      <Desc>Maine Dental Service Corporation, Inc. advances and promotes the improvement of oral health by offering innovative, cost effective dental benefits plans that meet the needs of our customers by integrating activities such as cost management policies, fee reduction agreements with dentists, ensuring quality and cost effective dental benefit delivery, and accurate and timely claims payment. We are recognized for our expertise in the dental benefits industry, the vibrancy of our participating dentist network, and our strong brand. Program services include the processing and payment of claims for dental benefits for various large and small groups, as well as individuals and families. Maine Dental Service Corporation, Inc. processed approximately 630,700 claims in 2017. There are approximately 331,300 members in Maine included in the various plans. Customer's expectations for quality standards are extremely rigorous and we provide a guarantee of service called GOSE, or Guarantee of Service Excellence, which guarantees seven key service claims: 1) Smooth implementation to Northeast Delta Dental; 2) Exceptional customer service; 3) Quick processing of claims; 4) No inappropriate billing by participating dentists; 5) Accurate and quick turnaround of identification cards; 6) Timely employee booklets; 7) Marketing service contracts. In the event one or more of these service guarantees are not met, a cash reimbursement is provided.</Desc>
      <ProgSrvcAccomActy2Grp>
        <ExpenseAmt>379300</ExpenseAmt>
        <GrantAmt>379300</GrantAmt>
        <Desc>Maine Dental Service Corporation Inc. is one of three members of the Northeast Delta Dental Foundation. The company contributes .05% of annual budgeted revenue, as well as 5% of annual revenue in excess of expenses, to the Northeast Delta Dental Foundation. The Northeast Delta Dental Foundation's purpose is to improve the access to, and the quality of, oral health care and education for the public and dental communities in Maine, New Hampshire, and Vermont. The Northeast Delta Dental Foundation awards numerous grants to community organizations and programs.</Desc>
      </ProgSrvcAccomActy2Grp>
      <TotalProgramServiceExpensesAmt>108131751</TotalProgramServiceExpensesAmt>
      <DescribedInSection501c3Ind>0</DescribedInSection501c3Ind>
      <ScheduleBRequiredInd>0</ScheduleBRequiredInd>
      <PoliticalCampaignActyInd referenceDocumentId="RetDoc1039500001">1</PoliticalCampaignActyInd>
      <SubjectToProxyTaxInd referenceDocumentId="RetDoc1039500001">0</SubjectToProxyTaxInd>
      <DonorAdvisedFundInd referenceDocumentId="RetDoc1040000001">0</DonorAdvisedFundInd>
      <ConservationEasementsInd referenceDocumentId="RetDoc1040000001">0</ConservationEasementsInd>
      <CollectionsOfArtInd referenceDocumentId="RetDoc1040000001">0</CollectionsOfArtInd>
      <CreditCounselingInd referenceDocumentId="RetDoc1040000001">0</CreditCounselingInd>
      <TempOrPermanentEndowmentsInd referenceDocumentId="RetDoc1040000001">0</TempOrPermanentEndowmentsInd>
      <ReportLandBuildingEquipmentInd referenceDocumentId="RetDoc1040000001">1</ReportLandBuildingEquipmentInd>
      <ReportInvestmentsOtherSecInd referenceDocumentId="RetDoc1040000001">0</ReportInvestmentsOtherSecInd>
      <ReportProgramRelatedInvstInd referenceDocumentId="RetDoc1040000001">0</ReportProgramRelatedInvstInd>
      <ReportOtherAssetsInd referenceDocumentId="RetDoc1040000001">0</ReportOtherAssetsInd>
      <ReportOtherLiabilitiesInd referenceDocumentId="RetDoc1040000001">1</ReportOtherLiabilitiesInd>
      <IncludeFIN48FootnoteInd referenceDocumentId="RetDoc1040000001">1</IncludeFIN48FootnoteInd>
      <IndependentAuditFinclStmtInd referenceDocumentId="RetDoc1040000001">1</IndependentAuditFinclStmtInd>
      <ConsolidatedAuditFinclStmtInd referenceDocumentId="RetDoc1040000001">0</ConsolidatedAuditFinclStmtInd>
      <SchoolOperatingInd>0</SchoolOperatingInd>
      <ForeignOfficeInd>0</ForeignOfficeInd>
      <ForeignActivitiesInd>0</ForeignActivitiesInd>
      <MoreThan5000KToOrgInd>0</MoreThan5000KToOrgInd>
      <MoreThan5000KToIndividualsInd>0</MoreThan5000KToIndividualsInd>
      <ProfessionalFundraisingInd>0</ProfessionalFundraisingInd>
      <FundraisingActivitiesInd>0</FundraisingActivitiesInd>
      <GamingActivitiesInd>0</GamingActivitiesInd>
      <OperateHospitalInd>0</OperateHospitalInd>
      <GrantsToOrganizationsInd referenceDocumentId="RetDoc1041900001">1</GrantsToOrganizationsInd>
      <GrantsToIndividualsInd referenceDocumentId="RetDoc1041900001">0</GrantsToIndividualsInd>
      <ScheduleJRequiredInd referenceDocumentId="RetDoc1042400001">1</ScheduleJRequiredInd>
      <TaxExemptBondsInd>0</TaxExemptBondsInd>
      <EngagedInExcessBenefitTransInd referenceDocumentId="RetDoc1042800001">0</EngagedInExcessBenefitTransInd>
      <PYExcessBenefitTransInd referenceDocumentId="RetDoc1042800001">0</PYExcessBenefitTransInd>
      <LoanOutstandingInd referenceDocumentId="RetDoc1042800001">0</LoanOutstandingInd>
      <GrantToRelatedPersonInd referenceDocumentId="RetDoc1042800001">0</GrantToRelatedPersonInd>
      <BusinessRlnWithOrgMemInd referenceDocumentId="RetDoc1042800001">1</BusinessRlnWithOrgMemInd>
      <BusinessRlnWithFamMemInd referenceDocumentId="RetDoc1042800001">0</BusinessRlnWithFamMemInd>
      <BusinessRlnWithOfficerEntInd referenceDocumentId="RetDoc1042800001">1</BusinessRlnWithOfficerEntInd>
      <DeductibleNonCashContriInd>0</DeductibleNonCashContriInd>
      <DeductibleArtContributionInd>0</DeductibleArtContributionInd>
      <TerminateOperationsInd>0</TerminateOperationsInd>
      <PartialLiquidationInd>0</PartialLiquidationInd>
      <DisregardedEntityInd>0</DisregardedEntityInd>
      <RelatedEntityInd>0</RelatedEntityInd>
      <RelatedOrganizationCtrlEntInd>0</RelatedOrganizationCtrlEntInd>
      <ActivitiesConductedPrtshpInd>0</ActivitiesConductedPrtshpInd>
      <ScheduleORequiredInd>1</ScheduleORequiredInd>
      <InfoInScheduleOPartVInd>X</InfoInScheduleOPartVInd>
      <IRPDocumentCnt>216</IRPDocumentCnt>
      <IRPDocumentW2GCnt>0</IRPDocumentW2GCnt>
      <EmployeeCnt>6</EmployeeCnt>
      <EmploymentTaxReturnsFiledInd>1</EmploymentTaxReturnsFiledInd>
      <UnrelatedBusIncmOverLimitInd>1</UnrelatedBusIncmOverLimitInd>
      <Form990TFiledInd>1</Form990TFiledInd>
      <ForeignFinancialAccountInd>0</ForeignFinancialAccountInd>
      <ProhibitedTaxShelterTransInd>0</ProhibitedTaxShelterTransInd>
      <TaxablePartyNotificationInd>0</TaxablePartyNotificationInd>
      <NondeductibleContributionsInd>0</NondeductibleContributionsInd>
      <IndoorTanningServicesInd>0</IndoorTanningServicesInd>
      <InfoInScheduleOPartVIInd>X</InfoInScheduleOPartVIInd>
      <GoverningBodyVotingMembersCnt>14</GoverningBodyVotingMembersCnt>
      <IndependentVotingMemberCnt>10</IndependentVotingMemberCnt>
      <FamilyOrBusinessRlnInd>0</FamilyOrBusinessRlnInd>
      <DelegationOfMgmtDutiesInd>0</DelegationOfMgmtDutiesInd>
      <ChangeToOrgDocumentsInd>0</ChangeToOrgDocumentsInd>
      <MaterialDiversionOrMisuseInd>0</MaterialDiversionOrMisuseInd>
      <MembersOrStockholdersInd>1</MembersOrStockholdersInd>
      <ElectionOfBoardMembersInd>1</ElectionOfBoardMembersInd>
      <DecisionsSubjectToApprovaInd>0</DecisionsSubjectToApprovaInd>
      <MinutesOfGoverningBodyInd>1</MinutesOfGoverningBodyInd>
      <MinutesOfCommitteesInd>1</MinutesOfCommitteesInd>
      <OfficerMailingAddressInd>0</OfficerMailingAddressInd>
      <LocalChaptersInd>0</LocalChaptersInd>
      <Form990ProvidedToGvrnBodyInd>1</Form990ProvidedToGvrnBodyInd>
      <ConflictOfInterestPolicyInd>1</ConflictOfInterestPolicyInd>
      <AnnualDisclosureCoveredPrsnInd>1</AnnualDisclosureCoveredPrsnInd>
      <RegularMonitoringEnfrcInd>1</RegularMonitoringEnfrcInd>
      <WhistleblowerPolicyInd>1</WhistleblowerPolicyInd>
      <DocumentRetentionPolicyInd>1</DocumentRetentionPolicyInd>
      <CompensationProcessCEOInd>0</CompensationProcessCEOInd>
      <CompensationProcessOtherInd>0</CompensationProcessOtherInd>
      <InvestmentInJointVentureInd>0</InvestmentInJointVentureInd>
      <UponRequestInd>X</UponRequestInd>
      <BooksInCareOfDetail>
        <BusinessName>
          <BusinessNameLine1Txt>Frank Boucher</BusinessNameLine1Txt>
        </BusinessName>
        <PhoneNum>6032231000</PhoneNum>
        <USAddress>
          <AddressLine1Txt>One Delta Drive PO Box 2002</AddressLine1Txt>
          <CityNm>Concord</CityNm>
          <StateAbbreviationCd>NH</StateAbbreviationCd>
          <ZIPCd>03302</ZIPCd>
        </USAddress>
      </BooksInCareOfDetail>
      <Form990PartVIISectionAGrp>
        <PersonNm>Beverly Altenburg</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>8672</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Charles E Brown DDS</PersonNm>
        <TitleTxt>Director (part year)</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>3892</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Jeffrey B Doss DDS</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>9784</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Michael P Goldberg DMD</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>9284</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Demitroula Kouzounas DMD</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>8172</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Daniel D Thayer</PersonNm>
        <TitleTxt>Director (part year)</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>6504</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Jayne Giles</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>9398</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Burton Rankie DDS</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>5948</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Jeffrey Walawender DDS</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>8172</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Jason Lenardson</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>7060</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Donald Oakes</PersonNm>
        <TitleTxt>Vice Chair &amp; Director</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>16512</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Kara Chadbourne DDS</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>8172</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Scott Normandeau</PersonNm>
        <TitleTxt>Director (part year)</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>2780</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Katherin O'Grady</PersonNm>
        <TitleTxt>Director (part year)</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>2224</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Michael A Bevilacqua</PersonNm>
        <TitleTxt>Treasurer &amp; Director</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>8116</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Cheryl Bascomb</PersonNm>
        <TitleTxt>Director (part year)</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>5948</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Michael W Pardue</PersonNm>
        <TitleTxt>Chair &amp; Director</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>25707</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Thomas Raffio</PersonNm>
        <TitleTxt>DDPNH President &amp; CEO</TitleTxt>
        <AverageHoursPerWeekRt>10.00</AverageHoursPerWeekRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>763808</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>163407</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Francis Boucher</PersonNm>
        <TitleTxt>DDPNH Sr. Vice President</TitleTxt>
        <AverageHoursPerWeekRt>10.00</AverageHoursPerWeekRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>224830</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>32872</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <TotalReportableCompFromOrgAmt>146345</TotalReportableCompFromOrgAmt>
      <TotReportableCompRltdOrgAmt>988638</TotReportableCompRltdOrgAmt>
      <TotalOtherCompensationAmt>196279</TotalOtherCompensationAmt>
      <IndivRcvdGreaterThan100KCnt>0</IndivRcvdGreaterThan100KCnt>
      <FormerOfcrEmployeesListedInd>0</FormerOfcrEmployeesListedInd>
      <TotalCompGreaterThan150KInd>1</TotalCompGreaterThan150KInd>
      <CompensationFromOtherSrcsInd>1</CompensationFromOtherSrcsInd>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>Encara Inc</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>4818 Starkey Road</AddressLine1Txt>
            <CityNm>Roanoke</CityNm>
            <StateAbbreviationCd>VA</StateAbbreviationCd>
            <ZIPCd>24018</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>Contracted Services</ServicesDesc>
        <CompensationAmt>615319</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>Combined Services LLC</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>2 Delta Drive</AddressLine1Txt>
            <CityNm>Concord</CityNm>
            <StateAbbreviationCd>NH</StateAbbreviationCd>
            <ZIPCd>03301</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>Insurance broker commissions</ServicesDesc>
        <CompensationAmt>354971</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>Business Ins Agency DBA Cross Ins</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>116 Community Dr PO Box 469</AddressLine1Txt>
            <CityNm>Augusta</CityNm>
            <StateAbbreviationCd>ME</StateAbbreviationCd>
            <ZIPCd>04332</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>Insurance broker commissions</ServicesDesc>
        <CompensationAmt>285800</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>Towers Watson Delaware IncCommission</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>Lockbox 28852</AddressLine1Txt>
            <CityNm>New York</CityNm>
            <StateAbbreviationCd>NY</StateAbbreviationCd>
            <ZIPCd>10087</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>Insurance broker commissions</ServicesDesc>
        <CompensationAmt>254539</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>Wyssta Services Inc</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>PO Box 86</AddressLine1Txt>
            <CityNm>Stevenes Point</CityNm>
            <StateAbbreviationCd>WI</StateAbbreviationCd>
            <ZIPCd>54481</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>Contracted Services</ServicesDesc>
        <CompensationAmt>206274</CompensationAmt>
      </ContractorCompensationGrp>
      <CntrctRcvdGreaterThan100KCnt>10</CntrctRcvdGreaterThan100KCnt>
      <ProgramServiceRevenueGrp>
        <Desc>Premium Revenue</Desc>
        <BusinessCd>524114</BusinessCd>
        <TotalRevenueColumnAmt>71040879</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>71040879</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>Admin Service Contract Fees</Desc>
        <BusinessCd>524292</BusinessCd>
        <TotalRevenueColumnAmt>51030253</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>51030253</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>Management Fee - CSLLC</Desc>
        <BusinessCd>524298</BusinessCd>
        <TotalRevenueColumnAmt>100000</TotalRevenueColumnAmt>
        <UnrelatedBusinessRevenueAmt>100000</UnrelatedBusinessRevenueAmt>
      </ProgramServiceRevenueGrp>
      <TotalProgramServiceRevenueAmt>122171132</TotalProgramServiceRevenueAmt>
      <InvestmentIncomeGrp>
        <TotalRevenueColumnAmt>941553</TotalRevenueColumnAmt>
        <ExclusionAmt>941553</ExclusionAmt>
      </InvestmentIncomeGrp>
      <GrossAmountSalesAssetsGrp>
        <SecuritiesAmt>7751033</SecuritiesAmt>
      </GrossAmountSalesAssetsGrp>
      <LessCostOthBasisSalesExpnssGrp>
        <SecuritiesAmt>6132281</SecuritiesAmt>
      </LessCostOthBasisSalesExpnssGrp>
      <GainOrLossGrp>
        <SecuritiesAmt>1618752</SecuritiesAmt>
      </GainOrLossGrp>
      <NetGainOrLossInvestmentsGrp>
        <TotalRevenueColumnAmt>1618752</TotalRevenueColumnAmt>
        <ExclusionAmt>1618752</ExclusionAmt>
      </NetGainOrLossInvestmentsGrp>
      <TotalRevenueGrp>
        <TotalRevenueColumnAmt>124731437</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>122071132</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>100000</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>2560305</ExclusionAmt>
      </TotalRevenueGrp>
      <GrantsToDomesticOrgsGrp>
        <TotalAmt>379300</TotalAmt>
        <ProgramServicesAmt>379300</ProgramServicesAmt>
      </GrantsToDomesticOrgsGrp>
      <BenefitsToMembersGrp>
        <TotalAmt>103563094</TotalAmt>
        <ProgramServicesAmt>103563094</ProgramServicesAmt>
      </BenefitsToMembersGrp>
      <CompCurrentOfcrDirectorsGrp>
        <TotalAmt>146346</TotalAmt>
        <ManagementAndGeneralAmt>146346</ManagementAndGeneralAmt>
      </CompCurrentOfcrDirectorsGrp>
      <OtherSalariesAndWagesGrp>
        <TotalAmt>529857</TotalAmt>
        <ManagementAndGeneralAmt>529857</ManagementAndGeneralAmt>
      </OtherSalariesAndWagesGrp>
      <PensionPlanContributionsGrp>
        <TotalAmt>33446</TotalAmt>
        <ManagementAndGeneralAmt>33446</ManagementAndGeneralAmt>
      </PensionPlanContributionsGrp>
      <OtherEmployeeBenefitsGrp>
        <TotalAmt>101614</TotalAmt>
        <ManagementAndGeneralAmt>101614</ManagementAndGeneralAmt>
      </OtherEmployeeBenefitsGrp>
      <PayrollTaxesGrp>
        <TotalAmt>37297</TotalAmt>
        <ManagementAndGeneralAmt>37297</ManagementAndGeneralAmt>
      </PayrollTaxesGrp>
      <FeesForServicesLegalGrp>
        <TotalAmt>18159</TotalAmt>
        <ManagementAndGeneralAmt>18159</ManagementAndGeneralAmt>
      </FeesForServicesLegalGrp>
      <FeesForServicesAccountingGrp>
        <TotalAmt>31586</TotalAmt>
        <ManagementAndGeneralAmt>31586</ManagementAndGeneralAmt>
      </FeesForServicesAccountingGrp>
      <FeesForSrvcInvstMgmntFeesGrp>
        <TotalAmt>107775</TotalAmt>
        <ManagementAndGeneralAmt>107775</ManagementAndGeneralAmt>
      </FeesForSrvcInvstMgmntFeesGrp>
      <FeesForServicesOtherGrp>
        <TotalAmt>24000</TotalAmt>
        <ManagementAndGeneralAmt>24000</ManagementAndGeneralAmt>
      </FeesForServicesOtherGrp>
      <AdvertisingGrp>
        <TotalAmt>733077</TotalAmt>
        <ManagementAndGeneralAmt>733077</ManagementAndGeneralAmt>
      </AdvertisingGrp>
      <OfficeExpensesGrp>
        <TotalAmt>61212</TotalAmt>
        <ManagementAndGeneralAmt>61212</ManagementAndGeneralAmt>
      </OfficeExpensesGrp>
      <OccupancyGrp>
        <TotalAmt>62471</TotalAmt>
        <ManagementAndGeneralAmt>62471</ManagementAndGeneralAmt>
      </OccupancyGrp>
      <TravelGrp>
        <TotalAmt>27447</TotalAmt>
        <ManagementAndGeneralAmt>27447</ManagementAndGeneralAmt>
      </TravelGrp>
      <ConferencesMeetingsGrp>
        <TotalAmt>47406</TotalAmt>
        <ManagementAndGeneralAmt>47406</ManagementAndGeneralAmt>
      </ConferencesMeetingsGrp>
      <DepreciationDepletionGrp>
        <TotalAmt>2441</TotalAmt>
        <ManagementAndGeneralAmt>2441</ManagementAndGeneralAmt>
      </DepreciationDepletionGrp>
      <InsuranceGrp>
        <TotalAmt>15867</TotalAmt>
        <ManagementAndGeneralAmt>15867</ManagementAndGeneralAmt>
      </InsuranceGrp>
      <OtherExpensesGrp>
        <Desc>Administration - Delta</Desc>
        <TotalAmt>9521265</TotalAmt>
        <ProgramServicesAmt>4189357</ProgramServicesAmt>
        <ManagementAndGeneralAmt>5331908</ManagementAndGeneralAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>Brokers' Commissions</Desc>
        <TotalAmt>2959682</TotalAmt>
        <ManagementAndGeneralAmt>2959682</ManagementAndGeneralAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>Dues &amp; Subscriptions</Desc>
        <TotalAmt>223965</TotalAmt>
        <ManagementAndGeneralAmt>223965</ManagementAndGeneralAmt>
      </OtherExpensesGrp>
      <AllOtherExpensesGrp>
        <TotalAmt>50727</TotalAmt>
        <ManagementAndGeneralAmt>50727</ManagementAndGeneralAmt>
      </AllOtherExpensesGrp>
      <TotalFunctionalExpensesGrp>
        <TotalAmt>118678034</TotalAmt>
        <ProgramServicesAmt>108131751</ProgramServicesAmt>
        <ManagementAndGeneralAmt>10546283</ManagementAndGeneralAmt>
        <FundraisingAmt>0</FundraisingAmt>
      </TotalFunctionalExpensesGrp>
      <CashNonInterestBearingGrp>
        <BOYAmt>8087668</BOYAmt>
        <EOYAmt>5818587</EOYAmt>
      </CashNonInterestBearingGrp>
      <SavingsAndTempCashInvstGrp>
        <BOYAmt>529853</BOYAmt>
        <EOYAmt>623878</EOYAmt>
      </SavingsAndTempCashInvstGrp>
      <AccountsReceivableGrp>
        <BOYAmt>3211919</BOYAmt>
        <EOYAmt>3466582</EOYAmt>
      </AccountsReceivableGrp>
      <PrepaidExpensesDefrdChargesGrp>
        <BOYAmt>2956</BOYAmt>
        <EOYAmt>2956</EOYAmt>
      </PrepaidExpensesDefrdChargesGrp>
      <LandBldgEquipCostOrOtherBssAmt>173703</LandBldgEquipCostOrOtherBssAmt>
      <LandBldgEquipAccumDeprecAmt>164034</LandBldgEquipAccumDeprecAmt>
      <LandBldgEquipBasisNetGrp>
        <BOYAmt>12111</BOYAmt>
        <EOYAmt>9669</EOYAmt>
      </LandBldgEquipBasisNetGrp>
      <InvestmentsPubTradedSecGrp>
        <BOYAmt>38487652</BOYAmt>
        <EOYAmt>46829252</EOYAmt>
      </InvestmentsPubTradedSecGrp>
      <InvestmentsOtherSecuritiesGrp>
        <BOYAmt>122760</BOYAmt>
        <EOYAmt>74991</EOYAmt>
      </InvestmentsOtherSecuritiesGrp>
      <InvestmentsProgramRelatedGrp>
        <BOYAmt>3425005</BOYAmt>
        <EOYAmt>2795078</EOYAmt>
      </InvestmentsProgramRelatedGrp>
      <OtherAssetsTotalGrp>
        <BOYAmt>61673</BOYAmt>
        <EOYAmt>41309</EOYAmt>
      </OtherAssetsTotalGrp>
      <TotalAssetsGrp>
        <BOYAmt>53941597</BOYAmt>
        <EOYAmt>59662302</EOYAmt>
      </TotalAssetsGrp>
      <AccountsPayableAccrExpnssGrp>
        <BOYAmt>3593408</BOYAmt>
        <EOYAmt>3669312</EOYAmt>
      </AccountsPayableAccrExpnssGrp>
      <GrantsPayableGrp>
        <BOYAmt>183300</BOYAmt>
        <EOYAmt>318600</EOYAmt>
      </GrantsPayableGrp>
      <OtherLiabilitiesGrp>
        <BOYAmt>2994391</BOYAmt>
        <EOYAmt>2165454</EOYAmt>
      </OtherLiabilitiesGrp>
      <TotalLiabilitiesGrp>
        <BOYAmt>6771099</BOYAmt>
        <EOYAmt>6153366</EOYAmt>
      </TotalLiabilitiesGrp>
      <OrganizationFollowsSFAS117Ind>X</OrganizationFollowsSFAS117Ind>
      <UnrestrictedNetAssetsGrp>
        <BOYAmt>47170498</BOYAmt>
        <EOYAmt>53508936</EOYAmt>
      </UnrestrictedNetAssetsGrp>
      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>47170498</BOYAmt>
        <EOYAmt>53508936</EOYAmt>
      </TotalNetAssetsFundBalanceGrp>
      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>53941597</BOYAmt>
        <EOYAmt>59662302</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <ReconcilationRevenueExpnssAmt>6053403</ReconcilationRevenueExpnssAmt>
      <NetUnrlzdGainsLossesInvstAmt>285035</NetUnrlzdGainsLossesInvstAmt>
      <OtherChangesInNetAssetsAmt>0</OtherChangesInNetAssetsAmt>
      <InfoInScheduleOPartXIIInd>X</InfoInScheduleOPartXIIInd>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>0</AccountantCompileOrReviewInd>
      <FSAuditedInd>1</FSAuditedInd>
      <FSAuditedBasisGrp>
        <SeparateBasisFinclStmtInd>X</SeparateBasisFinclStmtInd>
      </FSAuditedBasisGrp>
      <AuditCommitteeInd>1</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>0</FederalGrantAuditRequiredInd>
    </IRS990>
    <IRS990ScheduleC documentId="RetDoc1039500001">
      <PoliticalExpendituresAmt>4000</PoliticalExpendituresAmt>
      <VolunteerHoursCnt>0</VolunteerHoursCnt>
      <Expended527ActivitiesAmt>4000</Expended527ActivitiesAmt>
      <InternalFundsContributedAmt>0</InternalFundsContributedAmt>
      <TotalExemptFunctionExpendAmt>4000</TotalExemptFunctionExpendAmt>
      <Form1120POLFiledInd>1</Form1120POLFiledInd>
      <Section527PoliticalOrgGrp>
        <OrganizationBusinessName>
          <BusinessNameLine1Txt>Maine House Republican Majority Fund</BusinessNameLine1Txt>
        </OrganizationBusinessName>
        <USAddress>
          <AddressLine1Txt>PO Box 5629</AddressLine1Txt>
          <CityNm>Augusta</CityNm>
          <StateAbbreviationCd>ME</StateAbbreviationCd>
          <ZIPCd>04332</ZIPCd>
        </USAddress>
        <EIN>274312959</EIN>
        <PaidInternalFundsAmt>1000</PaidInternalFundsAmt>
      </Section527PoliticalOrgGrp>
      <Section527PoliticalOrgGrp>
        <OrganizationBusinessName>
          <BusinessNameLine1Txt>Maine House Democratic Campaign Committee</BusinessNameLine1Txt>
        </OrganizationBusinessName>
        <USAddress>
          <AddressLine1Txt>PO Box 2021</AddressLine1Txt>
          <CityNm>Augusta</CityNm>
          <StateAbbreviationCd>ME</StateAbbreviationCd>
          <ZIPCd>04338</ZIPCd>
        </USAddress>
        <EIN>222695883</EIN>
        <PaidInternalFundsAmt>1000</PaidInternalFundsAmt>
      </Section527PoliticalOrgGrp>
      <Section527PoliticalOrgGrp>
        <OrganizationBusinessName>
          <BusinessNameLine1Txt>Maine Senate Democratic Campaign Committee</BusinessNameLine1Txt>
        </OrganizationBusinessName>
        <USAddress>
          <AddressLine1Txt>PO Box 2207</AddressLine1Txt>
          <CityNm>Augusta</CityNm>
          <StateAbbreviationCd>ME</StateAbbreviationCd>
          <ZIPCd>04338</ZIPCd>
        </USAddress>
        <EIN>010478979</EIN>
        <PaidInternalFundsAmt>1000</PaidInternalFundsAmt>
      </Section527PoliticalOrgGrp>
      <Section527PoliticalOrgGrp>
        <OrganizationBusinessName>
          <BusinessNameLine1Txt>Maine Senate Republican Majority PAC</BusinessNameLine1Txt>
        </OrganizationBusinessName>
        <USAddress>
          <AddressLine1Txt>PO Box 1</AddressLine1Txt>
          <CityNm>Augusta</CityNm>
          <StateAbbreviationCd>ME</StateAbbreviationCd>
          <ZIPCd>04332</ZIPCd>
        </USAddress>
        <EIN>263733192</EIN>
        <PaidInternalFundsAmt>1000</PaidInternalFundsAmt>
      </Section527PoliticalOrgGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part I-A, Line 1:</FormAndLineReferenceDesc>
        <ExplanationTxt>Four campaign donations totaling $4,000 were made in Maine.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleC>
    <IRS990ScheduleD documentId="RetDoc1040000001">
      <LeaseholdImprovementsGrp>
        <OtherCostOrOtherBasisAmt>21116</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>17892</DepreciationAmt>
        <BookValueAmt>3224</BookValueAmt>
      </LeaseholdImprovementsGrp>
      <EquipmentGrp>
        <OtherCostOrOtherBasisAmt>132614</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>126169</DepreciationAmt>
        <BookValueAmt>6445</BookValueAmt>
      </EquipmentGrp>
      <OtherLandBuildingsGrp>
        <OtherCostOrOtherBasisAmt>19973</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>19973</DepreciationAmt>
        <BookValueAmt>0</BookValueAmt>
      </OtherLandBuildingsGrp>
      <TotalBookValueLandBuildingsAmt>9669</TotalBookValueLandBuildingsAmt>
      <OtherLiabilitiesOrgGrp>
        <Desc>Accrued refunds</Desc>
        <Amt>604951</Amt>
      </OtherLiabilitiesOrgGrp>
      <OtherLiabilitiesOrgGrp>
        <Desc>Unearned revenue</Desc>
        <Amt>1024603</Amt>
      </OtherLiabilitiesOrgGrp>
      <OtherLiabilitiesOrgGrp>
        <Desc>Advances - admin service contracts</Desc>
        <Amt>535900</Amt>
      </OtherLiabilitiesOrgGrp>
      <TotalLiabilityAmt>2165454</TotalLiabilityAmt>
      <FootnoteTextInd>X</FootnoteTextInd>
      <TotalRevEtcAuditedFinclStmtAmt>77741147</TotalRevEtcAuditedFinclStmtAmt>
      <NetUnrealizedGainsInvstAmt>285034</NetUnrealizedGainsInvstAmt>
      <OtherRevenueAmt>-19671</OtherRevenueAmt>
      <RevenueNotReportedAmt>265363</RevenueNotReportedAmt>
      <RevenueSubtotalAmt>77475784</RevenueSubtotalAmt>
      <InvestmentExpensesNotIncldAmt>107775</InvestmentExpensesNotIncldAmt>
      <OtherRevenuesNotIncludedAmt>47147878</OtherRevenuesNotIncludedAmt>
      <RevenueNotReportedFinclStmtAmt>47255653</RevenueNotReportedFinclStmtAmt>
      <TotalRevenuePerForm990Amt>124731437</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>71422381</TotExpnsEtcAuditedFinclStmtAmt>
      <ExpensesNotReportedAmt>0</ExpensesNotReportedAmt>
      <ExpensesSubtotalAmt>71422381</ExpensesSubtotalAmt>
      <InvestmentExpensesNotIncld2Amt>107775</InvestmentExpensesNotIncld2Amt>
      <OtherExpensesNotIncludedAmt>47147878</OtherExpensesNotIncludedAmt>
      <ExpensesNotRptFinclStmtAmt>47255653</ExpensesNotRptFinclStmtAmt>
      <TotalExpensesPerForm990Amt>118678034</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part X, Line 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>The 2017 audited financial statements contain the following paragraphs pertaining to tax positions under FIN 48: The Corporation is exempt from federal and state income taxes under the provisions of Section 501(c)(4) of the Internal Revenue Code. Management has evaluated the Corporation's tax positions taken on its filed tax returns and concluded that the Corporation has maintained its tax-exempt status.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part XI, Line 2d - Other Adjustments:</FormAndLineReferenceDesc>
        <ExplanationTxt>Change in nonadmitted assets -19,671.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part XI, Line 4b - Other Adjustments:</FormAndLineReferenceDesc>
        <ExplanationTxt>Dental claims paid under admin service contracts 47,147,878.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part XII, Line 4b - Other Adjustments:</FormAndLineReferenceDesc>
        <ExplanationTxt>Dental claims paid under admin service contracts 47,147,878.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule D, Part XI, Line 2d</FormAndLineReferenceDesc>
        <ExplanationTxt>The Corporation has historically prepared its financial statements in accordance with accounting principles generally accepted in the United States of America (GAAP). Effective January 1, 2012 the Corporation elected to prepare its financial statements to conform with the statutory accounting practices of the National Association of Insurance Commissioners (NAIC), as prescribed or permitted by the Maine Bureau of Insurance. The change in nonadmitted assets reported here in Part XI is one of the reconciling items to meet the reporting requirements for the Form 990.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleI documentId="RetDoc1041900001">
      <GrantRecordsMaintainedInd>1</GrantRecordsMaintainedInd>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>Northeast Delta Dental Foundation</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>One Delta Drive PO Box 2002</AddressLine1Txt>
          <CityNm>Concord</CityNm>
          <StateAbbreviationCd>NH</StateAbbreviationCd>
          <ZIPCd>03302</ZIPCd>
        </USAddress>
        <RecipientEIN>020489150</RecipientEIN>
        <IRCSectionDesc>501(c)(3)</IRCSectionDesc>
        <CashGrantAmt>379300</CashGrantAmt>
        <PurposeOfGrantTxt>General support to promote oral health</PurposeOfGrantTxt>
      </RecipientTable>
      <Total501c3OrgCnt>1</Total501c3OrgCnt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part I, Line 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>Maine Dental Service Corporation (MDSC) makes elective annual charitable contributions to the Northeast Dental Foundation equal to 0.05% of the budgeted gross billings, plus 5% of the actual increase in unrestricted net assets from operations each year. MDSC's total contributions to the Foundation in 2017 totaled $379,300.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleI>
    <IRS990ScheduleJ documentId="RetDoc1042400001">
      <SeverancePaymentInd>0</SeverancePaymentInd>
      <SupplementalNonqualRtrPlanInd>0</SupplementalNonqualRtrPlanInd>
      <EquityBasedCompArrngmInd>0</EquityBasedCompArrngmInd>
      <CompBasedOnRevenueOfFlngOrgInd>0</CompBasedOnRevenueOfFlngOrgInd>
      <CompBsdOnRevRelatedOrgsInd>0</CompBsdOnRevRelatedOrgsInd>
      <CompBsdNetEarnsFlngOrgInd>0</CompBsdNetEarnsFlngOrgInd>
      <CompBsdNetEarnsRltdOrgsInd>0</CompBsdNetEarnsRltdOrgsInd>
      <AnyNonFixedPaymentsInd>0</AnyNonFixedPaymentsInd>
      <InitialContractExceptionInd>0</InitialContractExceptionInd>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Thomas Raffio</PersonNm>
        <TitleTxt>DDPNH President &amp; CEO</TitleTxt>
        <BaseCompensationFilingOrgAmt>0</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>522200</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>188514</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>53094</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>0</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>127171</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>0</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>36236</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>0</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>927215</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Francis Boucher</PersonNm>
        <TitleTxt>DDPNH Sr. Vice President</TitleTxt>
        <BaseCompensationFilingOrgAmt>0</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>195300</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>21072</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>8458</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>0</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>19048</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>0</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>13824</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>0</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>257702</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule J, Part II:</FormAndLineReferenceDesc>
        <ExplanationTxt>Thomas Raffio, CEO, and Francis Boucher, Senior Vice President, received all of their compensation from Delta Dental Plan of New Hampshire, which is an unrelated organization per Schedule R definitions.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleJ>
    <IRS990ScheduleL documentId="RetDoc1042800001">
      <BusTrInvolveInterestedPrsnGrp>
        <NameOfInterested>
          <PersonNm>Charles E Brown DDS</PersonNm>
        </NameOfInterested>
        <RelationshipDescriptionTxt>Director (part year)</RelationshipDescriptionTxt>
        <TransactionAmt>120957</TransactionAmt>
        <TransactionDesc>The Directors listed here have ownership interests in dental practices that receive insurance reimbursements from Delta Dental in the ordinary course of their business. All transactions are at arm's length and for fair value.</TransactionDesc>
        <SharingOfRevenuesInd>0</SharingOfRevenuesInd>
      </BusTrInvolveInterestedPrsnGrp>
      <BusTrInvolveInterestedPrsnGrp>
        <NameOfInterested>
          <PersonNm>Jeffrey B Doss DDS</PersonNm>
        </NameOfInterested>
        <RelationshipDescriptionTxt>Director</RelationshipDescriptionTxt>
        <TransactionAmt>799710</TransactionAmt>
        <TransactionDesc>Please see above.</TransactionDesc>
        <SharingOfRevenuesInd>0</SharingOfRevenuesInd>
      </BusTrInvolveInterestedPrsnGrp>
      <BusTrInvolveInterestedPrsnGrp>
        <NameOfInterested>
          <PersonNm>Demitroula Kouzounas DMD</PersonNm>
        </NameOfInterested>
        <RelationshipDescriptionTxt>Director</RelationshipDescriptionTxt>
        <TransactionAmt>929657</TransactionAmt>
        <TransactionDesc>Please see above.</TransactionDesc>
        <SharingOfRevenuesInd>0</SharingOfRevenuesInd>
      </BusTrInvolveInterestedPrsnGrp>
      <BusTrInvolveInterestedPrsnGrp>
        <NameOfInterested>
          <PersonNm>Michael Goldberg DMD</PersonNm>
        </NameOfInterested>
        <RelationshipDescriptionTxt>Director</RelationshipDescriptionTxt>
        <TransactionAmt>164002</TransactionAmt>
        <TransactionDesc>Please see above.</TransactionDesc>
        <SharingOfRevenuesInd>0</SharingOfRevenuesInd>
      </BusTrInvolveInterestedPrsnGrp>
      <BusTrInvolveInterestedPrsnGrp>
        <NameOfInterested>
          <PersonNm>Kyra Chadbourne DDS</PersonNm>
        </NameOfInterested>
        <RelationshipDescriptionTxt>Director</RelationshipDescriptionTxt>
        <TransactionAmt>155701</TransactionAmt>
        <TransactionDesc>Please see above.</TransactionDesc>
        <SharingOfRevenuesInd>0</SharingOfRevenuesInd>
      </BusTrInvolveInterestedPrsnGrp>
    </IRS990ScheduleL>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part V, Line 2a</FormAndLineReferenceDesc>
        <ExplanationTxt>The six employees included here are actually employed and paid by Delta Dental Plan of New Hampshire. These employees are assigned to provide sales and marketing services to Maine Dental Services Corporation. Maine Dental Services Corporation reimburses Delta Dental Plan of New Hampshire for these employees' payroll and employee benefit expenses.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, line 6</FormAndLineReferenceDesc>
        <ExplanationTxt>The membership of Maine Dental Service Corporation consists of the Board of Directors, all of the individuals covered under the Company's dental benefit plans, and the Maine dentists participating in the Company's dental networks which are used by the individuals covered under one of the Company's dental benefit plans.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, line 7a</FormAndLineReferenceDesc>
        <ExplanationTxt>The Board of Trustees are elected at the Maine Dental Service Corporation's Annual Membership meeting, which requires a quorum of 25 members to conduct business.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, line 11b</FormAndLineReferenceDesc>
        <ExplanationTxt>The Form 990 is reviewed in detail by key finance employees of Northeast Delta Dental. A final draft is presented to the Board before the Form is filed.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, line 12c</FormAndLineReferenceDesc>
        <ExplanationTxt>A copy of the conflict of interest policy is distributed annually to all officers, directors, and the management team. All are required to report any conflicts and sign, date, and return the policy, whether or not a conflict exists, to confirm compliance. General Counsel reviews the returned policies and reports the results to the entire Board of Directors. Board members are asked to provide updates of any changes that may occur between their annual conflict of interest filings.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section C, line 19</FormAndLineReferenceDesc>
        <ExplanationTxt>Upon request, Maine Dental Services Corporation makes its governing documents, conflict of interest policy, or financial statements available to the public.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part XII, Line 2c:</FormAndLineReferenceDesc>
        <ExplanationTxt>The Finance/Audit Committee oversees the audit process for Maine Dental Service Corporation. The audit process for the financial statements did not change from the prior year. Independent accountants performed the audit in both 2016 and 2017.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>