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      <Form990PartVIISectionAGrp>
        <PersonNm>Sara M Brehm</PersonNm>
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        <PersonNm>Erica Bodwell</PersonNm>
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        <PersonNm>Jodie L Hittle</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>Mike Bourbeau</PersonNm>
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        <PersonNm>Constance Roy Czyzowski</PersonNm>
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      <ContractorCompensationGrp>
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      <ContractorCompensationGrp>
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          <BusinessName>
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          <USAddress>
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        <ProgramServicesAmt>304738214</ProgramServicesAmt>
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        <ManagementAndGeneralAmt>27330</ManagementAndGeneralAmt>
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      <OtherExpensesGrp>
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        <EOYAmt>558478</EOYAmt>
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        <EOYAmt>199331</EOYAmt>
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        <EOYAmt>2795078</EOYAmt>
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        <EOYAmt>117367</EOYAmt>
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        <EOYAmt>70465091</EOYAmt>
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        <EOYAmt>8459725</EOYAmt>
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      <MortgNotesPyblScrdInvstPropGrp>
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        <EOYAmt>1470000</EOYAmt>
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        <EOYAmt>4854344</EOYAmt>
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      <TotalLiabilitiesGrp>
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        <EOYAmt>14784069</EOYAmt>
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        <EOYAmt>55681022</EOYAmt>
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        <EOYAmt>70465091</EOYAmt>
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      <InfoInScheduleOPartXIIInd>X</InfoInScheduleOPartXIIInd>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
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      <Form1120POLFiledInd>1</Form1120POLFiledInd>
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          <BusinessNameLine1Txt>Joyce Craig for Manchester</BusinessNameLine1Txt>
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        <USAddress>
          <AddressLine1Txt>PO Box 3893</AddressLine1Txt>
          <CityNm>Manchester</CityNm>
          <StateAbbreviationCd>NH</StateAbbreviationCd>
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      <Section527PoliticalOrgGrp>
        <OrganizationBusinessName>
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        <USAddress>
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          <CityNm>Manchester</CityNm>
          <StateAbbreviationCd>NH</StateAbbreviationCd>
          <ZIPCd>03108</ZIPCd>
        </USAddress>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part I-A, Line 1:</FormAndLineReferenceDesc>
        <ExplanationTxt>Two campaign donations totalling $750 were made in New Hampshire.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleC>
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        <BookValueAmt>3664040</BookValueAmt>
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        <BookValueAmt>2370</BookValueAmt>
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        <BookValueAmt>1893913</BookValueAmt>
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        <BookValueAmt>92797</BookValueAmt>
      </OtherLandBuildingsGrp>
      <TotalBookValueLandBuildingsAmt>6786465</TotalBookValueLandBuildingsAmt>
      <OtherLiabilitiesOrgGrp>
        <Desc>Unearned Revenue</Desc>
        <Amt>1464567</Amt>
      </OtherLiabilitiesOrgGrp>
      <OtherLiabilitiesOrgGrp>
        <Desc>Accrued Refunds</Desc>
        <Amt>769377</Amt>
      </OtherLiabilitiesOrgGrp>
      <OtherLiabilitiesOrgGrp>
        <Desc>Other Advances</Desc>
        <Amt>2620400</Amt>
      </OtherLiabilitiesOrgGrp>
      <TotalLiabilityAmt>4854344</TotalLiabilityAmt>
      <FootnoteTextInd>X</FootnoteTextInd>
      <TotalRevEtcAuditedFinclStmtAmt>92542658</TotalRevEtcAuditedFinclStmtAmt>
      <NetUnrealizedGainsInvstAmt>809240</NetUnrealizedGainsInvstAmt>
      <OtherRevenueAmt>906368</OtherRevenueAmt>
      <RevenueNotReportedAmt>1715608</RevenueNotReportedAmt>
      <RevenueSubtotalAmt>90827050</RevenueSubtotalAmt>
      <InvestmentExpensesNotIncldAmt>119327</InvestmentExpensesNotIncldAmt>
      <OtherRevenuesNotIncludedAmt>253556387</OtherRevenuesNotIncludedAmt>
      <RevenueNotReportedFinclStmtAmt>253675714</RevenueNotReportedFinclStmtAmt>
      <TotalRevenuePerForm990Amt>344502764</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>86465593</TotExpnsEtcAuditedFinclStmtAmt>
      <ExpensesNotReportedAmt>0</ExpensesNotReportedAmt>
      <ExpensesSubtotalAmt>86465593</ExpensesSubtotalAmt>
      <InvestmentExpensesNotIncld2Amt>119327</InvestmentExpensesNotIncld2Amt>
      <OtherExpensesNotIncludedAmt>253556387</OtherExpensesNotIncludedAmt>
      <ExpensesNotRptFinclStmtAmt>253675714</ExpensesNotRptFinclStmtAmt>
      <TotalExpensesPerForm990Amt>340141307</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 906,368.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part XI, Line 4b - Other Adjustments:</FormAndLineReferenceDesc>
        <ExplanationTxt>Dental claims paid under admin service contracts 253,556,387.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part XII, Line 4b - Other Adjustments:</FormAndLineReferenceDesc>
        <ExplanationTxt>Dental claims paid under admin service contracts 253,556,387.</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 New Hampshire Department 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>
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    </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>313000</CashGrantAmt>
        <PurposeOfGrantTxt>General support to promote oral health</PurposeOfGrantTxt>
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      <Total501c3OrgCnt>1</Total501c3OrgCnt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part I, Line 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>Delta Dental Plan of New Hampshire, Inc. (DDPNH) 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. DDPNH's elective contributions to the Foundation in 2017 totaled $313,000.</ExplanationTxt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Francis Boucher</PersonNm>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Erica Bodwell</PersonNm>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>William H Lambrukos</PersonNm>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Jodie L Hittle</PersonNm>
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        <PersonNm>Mike Bourbeau</PersonNm>
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        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Constance Roy Czyzowski</PersonNm>
        <TitleTxt>VP, Human Resources</TitleTxt>
        <BaseCompensationFilingOrgAmt>172687</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>21437</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>8748</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>15963</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>12868</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>231703</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part I, Line 1a</FormAndLineReferenceDesc>
        <ExplanationTxt>Spousal travel for one business trip per year for senior VPs, and where required or appropriate for the CEO.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part I, Line 4b</FormAndLineReferenceDesc>
        <ExplanationTxt>Thomas Raffio (President &amp; CEO) - 2017 total contributions to nonqualified deferred compensation plans = $104,440 to 457(f) plan.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part I, Line 7</FormAndLineReferenceDesc>
        <ExplanationTxt>The Organization has a team bonus program for all employees. Each individual's bonus is based on a combination of the individual's performance, the Organization's performance compared to the predetermined goals, and the individual's job level within the Organization.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleJ>
    <IRS990ScheduleL documentId="RetDoc1042800001">
      <BusTrInvolveInterestedPrsnGrp>
        <NameOfInterested>
          <PersonNm>Nader Moavenian DDS</PersonNm>
        </NameOfInterested>
        <RelationshipDescriptionTxt>Director</RelationshipDescriptionTxt>
        <TransactionAmt>573347</TransactionAmt>
        <TransactionDesc>The Directors listed here have ownership interests in dental practices that receive insurance reimbursements from Delta Dental Plan of New Hampshire 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>David Staples DDS</PersonNm>
        </NameOfInterested>
        <RelationshipDescriptionTxt>Director</RelationshipDescriptionTxt>
        <TransactionAmt>430848</TransactionAmt>
        <TransactionDesc>Please see above.</TransactionDesc>
        <SharingOfRevenuesInd>0</SharingOfRevenuesInd>
      </BusTrInvolveInterestedPrsnGrp>
      <BusTrInvolveInterestedPrsnGrp>
        <NameOfInterested>
          <PersonNm>Jean-Paul Rabbath DMD</PersonNm>
        </NameOfInterested>
        <RelationshipDescriptionTxt>Director</RelationshipDescriptionTxt>
        <TransactionAmt>215660</TransactionAmt>
        <TransactionDesc>Please see above.</TransactionDesc>
        <SharingOfRevenuesInd>0</SharingOfRevenuesInd>
      </BusTrInvolveInterestedPrsnGrp>
      <BusTrInvolveInterestedPrsnGrp>
        <NameOfInterested>
          <PersonNm>Richard Bolduc DDS</PersonNm>
        </NameOfInterested>
        <RelationshipDescriptionTxt>Director</RelationshipDescriptionTxt>
        <TransactionAmt>282106</TransactionAmt>
        <TransactionDesc>Please see above.</TransactionDesc>
        <SharingOfRevenuesInd>0</SharingOfRevenuesInd>
      </BusTrInvolveInterestedPrsnGrp>
      <BusTrInvolveInterestedPrsnGrp>
        <NameOfInterested>
          <PersonNm>Christiane Rothwangl DDS</PersonNm>
        </NameOfInterested>
        <RelationshipDescriptionTxt>Director</RelationshipDescriptionTxt>
        <TransactionAmt>329387</TransactionAmt>
        <TransactionDesc>Please see above.</TransactionDesc>
        <SharingOfRevenuesInd>0</SharingOfRevenuesInd>
      </BusTrInvolveInterestedPrsnGrp>
      <BusTrInvolveInterestedPrsnGrp>
        <NameOfInterested>
          <PersonNm>Keith Levesque DMD</PersonNm>
        </NameOfInterested>
        <RelationshipDescriptionTxt>Director</RelationshipDescriptionTxt>
        <TransactionAmt>231706</TransactionAmt>
        <TransactionDesc>Please see above.</TransactionDesc>
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    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, line 6</FormAndLineReferenceDesc>
        <ExplanationTxt>The membership of Delta Dental Plan of New Hampshire, Inc. consists of the New Hampshire dentists participating in the company's networks which are used by individuals covered under one of the Company's dental benefit plans.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, line 7b</FormAndLineReferenceDesc>
        <ExplanationTxt>Membership approval is required for all Bylaw changes.</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 B, line 15</FormAndLineReferenceDesc>
        <ExplanationTxt>CEO's Compensation: Every year, the Board Tri-State Compensation Committee goes through a rigorous evaluation and carefully researches information on which it bases its recommendations for the compensation for the President &amp; CEO. This includes the engagement of independent compensation consultants and advisors. The independent Tri-State Compensation Committee comprises the Chairs of the Boards for the Delta Dental Plans of Maine, Vermont, and New Hampshire and the Executive Committee of the DDPNH Board. In reviewing the compensation and benefits, the Committee considered various sources of comparability data and the analysis of comparability data and market conditions presented by the independent compensation consultant. In February 2017, the Tri-State Compensation Committee reviewed and approved the CEO's proposed compensation, effective April 1, 2017, for the Treasurer and Secretary based on comparability data provided to the Committee.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section C, line 19</FormAndLineReferenceDesc>
        <ExplanationTxt>Upon request, Delta Dental Plan of New Hampshire, Inc. makes its governing documents, conflict of interest policy, or financial statements available to the public.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part XI, line 9:</FormAndLineReferenceDesc>
        <ExplanationTxt>Unrealized Gains on Bonds 162,717.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part XII, Line 2c:</FormAndLineReferenceDesc>
        <ExplanationTxt>The Finance/Audit Committee oversees the audit process for Delta Dental Plan of New Hampshire, Inc. 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>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part XI, Line 9</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 New Hampshire Department of Insurance. This is one of the reconciling items to meet the reporting requirements for the Form 990.</ExplanationTxt>
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