<?xml version="1.0" encoding="utf-8"?>
<linkbase xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://www.xbrl.org/2003/linkbase">
  <roleRef roleURI="http://nngroup.com/roles/StatementOfFinancialPosition" xlink:href="nngr-2023-12-31.xsd#StatementOfFinancialPosition" xlink:type="simple" xmlns:xlink="http://www.w3.org/1999/xlink" />
  <roleRef roleURI="http://nngroup.com/roles/ProfitOrLoss" xlink:href="nngr-2023-12-31.xsd#ProfitOrLoss" xlink:type="simple" xmlns:xlink="http://www.w3.org/1999/xlink" />
  <roleRef roleURI="http://nngroup.com/roles/StatementOfComprehensiveIncome" xlink:href="nngr-2023-12-31.xsd#StatementOfComprehensiveIncome" xlink:type="simple" xmlns:xlink="http://www.w3.org/1999/xlink" />
  <roleRef roleURI="http://nngroup.com/roles/StatementOfCashFlows" xlink:href="nngr-2023-12-31.xsd#StatementOfCashFlows" xlink:type="simple" xmlns:xlink="http://www.w3.org/1999/xlink" />
  <roleRef roleURI="http://nngroup.com/roles/StatementOfChangesInEquity" xlink:href="nngr-2023-12-31.xsd#StatementOfChangesInEquity" xlink:type="simple" xmlns:xlink="http://www.w3.org/1999/xlink" />
  <calculationLink xlink:role="http://nngroup.com/roles/StatementOfFinancialPosition" xlink:type="extended" xmlns:xlink="http://www.w3.org/1999/xlink">
    <loc xlink:type="locator" xlink:href="nngr-2023-12-31.xsd#nngr_InsuranceAndReinsuranceContractsAssets" xlink:label="nngr_InsuranceAndReinsuranceContractsAssets" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_InsuranceContractsIssuedThatAreAssets" xlink:label="ifrs-full_InsuranceContractsIssuedThatAreAssets" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ReinsuranceContractsHeldThatAreAssets" xlink:label="ifrs-full_ReinsuranceContractsHeldThatAreAssets" />
    <loc xlink:type="locator" xlink:href="nngr-2023-12-31.xsd#nngr_TotalOtherAssets" xlink:label="nngr_TotalOtherAssets" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_OtherAssets" xlink:label="ifrs-full_OtherAssets" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DeferredTaxAssets" xlink:label="ifrs-full_DeferredTaxAssets" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IntangibleAssetsAndGoodwill" xlink:label="ifrs-full_IntangibleAssetsAndGoodwill" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_PropertyPlantAndEquipment" xlink:label="ifrs-full_PropertyPlantAndEquipment" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSale" xlink:label="ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSale" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_Assets" xlink:label="ifrs-full_Assets" />
    <loc xlink:type="locator" xlink:href="nngr-2023-12-31.xsd#nngr_Investments" xlink:label="nngr_Investments" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_Equity" xlink:label="ifrs-full_Equity" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_EquityAttributableToOwnersOfParent" xlink:label="ifrs-full_EquityAttributableToOwnersOfParent" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_NoncontrollingInterests" xlink:label="ifrs-full_NoncontrollingInterests" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_UndatedSubordinatedLiabilities" xlink:label="ifrs-full_UndatedSubordinatedLiabilities" />
    <loc xlink:type="locator" xlink:href="nngr-2023-12-31.xsd#nngr_InsuranceAndInvestmentContracts" xlink:label="nngr_InsuranceAndInvestmentContracts" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_InsuranceContractsIssuedThatAreLiabilities" xlink:label="ifrs-full_InsuranceContractsIssuedThatAreLiabilities" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_InvestmentContractsLiabilities" xlink:label="ifrs-full_InvestmentContractsLiabilities" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ReinsuranceContractsHeldThatAreLiabilities" xlink:label="ifrs-full_ReinsuranceContractsHeldThatAreLiabilities" />
    <loc xlink:type="locator" xlink:href="nngr-2023-12-31.xsd#nngr_Other" xlink:label="nngr_Other" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DerivativeFinancialLiabilities" xlink:label="ifrs-full_DerivativeFinancialLiabilities" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DeferredTaxLiabilities" xlink:label="ifrs-full_DeferredTaxLiabilities" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_OtherLiabilities" xlink:label="ifrs-full_OtherLiabilities" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_LiabilitiesIncludedInDisposalGroupsClassifiedAsHeldForSale" xlink:label="ifrs-full_LiabilitiesIncludedInDisposalGroupsClassifiedAsHeldForSale" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_Liabilities" xlink:label="ifrs-full_Liabilities" />
    <loc xlink:type="locator" xlink:href="nngr-2023-12-31.xsd#nngr_Funding" xlink:label="nngr_Funding" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_EquityAndLiabilities" xlink:label="ifrs-full_EquityAndLiabilities" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CashAndCashEquivalents" xlink:label="ifrs-full_CashAndCashEquivalents" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CurrentFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome" xlink:label="ifrs-full_CurrentFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CurrentFinancialAssetsAtAmortisedCost" xlink:label="ifrs-full_CurrentFinancialAssetsAtAmortisedCost" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossDesignatedAsUponInitialRecognition" xlink:label="ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossDesignatedAsUponInitialRecognition" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_InvestmentProperty" xlink:label="ifrs-full_InvestmentProperty" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_InvestmentAccountedForUsingEquityMethod" xlink:label="ifrs-full_InvestmentAccountedForUsingEquityMethod" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DerivativeFinancialAssets" xlink:label="ifrs-full_DerivativeFinancialAssets" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DepositsFromCustomers" xlink:label="ifrs-full_DepositsFromCustomers" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_OtherBorrowings" xlink:label="ifrs-full_OtherBorrowings" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DatedSubordinatedLiabilities" xlink:label="ifrs-full_DatedSubordinatedLiabilities" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DebtSecurities" xlink:label="ifrs-full_DebtSecurities" />
    <calculationArc xlink:type="arc" xlink:from="nngr_InsuranceAndReinsuranceContractsAssets" xlink:to="ifrs-full_InsuranceContractsIssuedThatAreAssets" order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="nngr_InsuranceAndReinsuranceContractsAssets" xlink:to="ifrs-full_ReinsuranceContractsHeldThatAreAssets" order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="nngr_TotalOtherAssets" xlink:to="ifrs-full_OtherAssets" order="20" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="nngr_TotalOtherAssets" xlink:to="ifrs-full_DeferredTaxAssets" order="18" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="nngr_TotalOtherAssets" xlink:to="ifrs-full_IntangibleAssetsAndGoodwill" order="17" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="nngr_TotalOtherAssets" xlink:to="ifrs-full_PropertyPlantAndEquipment" order="16" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="nngr_TotalOtherAssets" xlink:to="ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSale" order="19" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_Assets" xlink:to="nngr_Investments" order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_Assets" xlink:to="nngr_InsuranceAndReinsuranceContractsAssets" order="15" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_Assets" xlink:to="nngr_TotalOtherAssets" order="21" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_Equity" xlink:to="ifrs-full_EquityAttributableToOwnersOfParent" order="24" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_Equity" xlink:to="ifrs-full_NoncontrollingInterests" order="25" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_Equity" xlink:to="ifrs-full_UndatedSubordinatedLiabilities" order="26" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="nngr_InsuranceAndInvestmentContracts" xlink:to="ifrs-full_InsuranceContractsIssuedThatAreLiabilities" order="29" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="nngr_InsuranceAndInvestmentContracts" xlink:to="ifrs-full_InvestmentContractsLiabilities" order="30" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="nngr_InsuranceAndInvestmentContracts" xlink:to="ifrs-full_ReinsuranceContractsHeldThatAreLiabilities" order="31" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="nngr_Other" xlink:to="ifrs-full_DerivativeFinancialLiabilities" order="38" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="nngr_Other" xlink:to="ifrs-full_DeferredTaxLiabilities" order="39" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="nngr_Other" xlink:to="ifrs-full_OtherLiabilities" order="41" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="nngr_Other" xlink:to="ifrs-full_LiabilitiesIncludedInDisposalGroupsClassifiedAsHeldForSale" order="40" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_Liabilities" xlink:to="nngr_Other" order="42" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_Liabilities" xlink:to="nngr_Funding" order="37" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_Liabilities" xlink:to="nngr_InsuranceAndInvestmentContracts" order="32" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_EquityAndLiabilities" xlink:to="ifrs-full_Liabilities" order="43" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_EquityAndLiabilities" xlink:to="ifrs-full_Equity" order="27" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="nngr_Investments" xlink:to="ifrs-full_CashAndCashEquivalents" order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="nngr_Investments" xlink:to="ifrs-full_CurrentFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome" order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="nngr_Investments" xlink:to="ifrs-full_CurrentFinancialAssetsAtAmortisedCost" order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="nngr_Investments" xlink:to="ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossDesignatedAsUponInitialRecognition" order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="nngr_Investments" xlink:to="ifrs-full_InvestmentProperty" order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="nngr_Investments" xlink:to="ifrs-full_InvestmentAccountedForUsingEquityMethod" order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="nngr_Investments" xlink:to="ifrs-full_DerivativeFinancialAssets" order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="nngr_Funding" xlink:to="ifrs-full_DepositsFromCustomers" order="36" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="nngr_Funding" xlink:to="ifrs-full_OtherBorrowings" order="35" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="nngr_Funding" xlink:to="ifrs-full_DatedSubordinatedLiabilities" order="34" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="nngr_Funding" xlink:to="ifrs-full_DebtSecurities" order="33" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
  </calculationLink>
  <calculationLink xlink:role="http://nngroup.com/roles/ProfitOrLoss" xlink:type="extended" xmlns:xlink="http://www.w3.org/1999/xlink">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_InsuranceServiceExpensesFromInsuranceContractsIssued" xlink:label="ifrs-full_InsuranceServiceExpensesFromInsuranceContractsIssued" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IncreaseDecreaseThroughIncurredClaimsPaidAndOtherInsuranceServiceExpensesPaidForInsuranceContractsIssuedExcludingInsuranceAcquisitionCashFlowsInsuranceContractsLiabilityAsset" xlink:label="ifrs-full_IncreaseDecreaseThroughIncurredClaimsPaidAndOtherInsuranceServiceExpensesPaidForInsuranceContractsIssuedExcludingInsuranceAcquisitionCashFlowsInsuranceContractsLiabilityAsset" />
    <loc xlink:type="locator" xlink:href="nngr-2023-12-31.xsd#nngr_IncurredAttributableExpenses" xlink:label="nngr_IncurredAttributableExpenses" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AmortisationDeferredAcquisitionCostsArisingFromInsuranceContracts" xlink:label="ifrs-full_AmortisationDeferredAcquisitionCostsArisingFromInsuranceContracts" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IncreaseDecreaseThroughChangesThatRelateToPastServiceInsuranceContractsLiabilityAsset" xlink:label="ifrs-full_IncreaseDecreaseThroughChangesThatRelateToPastServiceInsuranceContractsLiabilityAsset" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IncreaseDecreaseThroughEffectsOfGroupsOfOnerousContractsInitiallyRecognisedInPeriodInsuranceContractsLiabilityAsset" xlink:label="ifrs-full_IncreaseDecreaseThroughEffectsOfGroupsOfOnerousContractsInitiallyRecognisedInPeriodInsuranceContractsLiabilityAsset" />
    <loc xlink:type="locator" xlink:href="nngr-2023-12-31.xsd#nngr_InsuranceExpensesPremiumAllocationApproach" xlink:label="nngr_InsuranceExpensesPremiumAllocationApproach" />
    <loc xlink:type="locator" xlink:href="nngr-2023-12-31.xsd#nngr_OtherResult" xlink:label="nngr_OtherResult" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_FeeAndCommissionIncome" xlink:label="ifrs-full_FeeAndCommissionIncome" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_GainsLossesOnDisposalsOfNoncurrentAssets" xlink:label="ifrs-full_GainsLossesOnDisposalsOfNoncurrentAssets" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_OperatingExpense" xlink:label="ifrs-full_OperatingExpense" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_OtherIncome" xlink:label="ifrs-full_OtherIncome" />
    <loc xlink:type="locator" xlink:href="nngr-2023-12-31.xsd#nngr_ProfitLossBeforeTaxFromContinuingOperations" xlink:label="nngr_ProfitLossBeforeTaxFromContinuingOperations" />
    <loc xlink:type="locator" xlink:href="nngr-2023-12-31.xsd#nngr_NetInvestmentResult" xlink:label="nngr_NetInvestmentResult" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_InsuranceServiceResult" xlink:label="ifrs-full_InsuranceServiceResult" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ProfitLossFromContinuingOperations" xlink:label="ifrs-full_ProfitLossFromContinuingOperations" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:label="ifrs-full_IncomeTaxExpenseContinuingOperations" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_InsuranceRevenue" xlink:label="ifrs-full_InsuranceRevenue" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IncreaseDecreaseThroughRecognitionOfContractualServiceMarginInProfitOrLossToReflectTransferOfServicesInsuranceContractsLiabilityAsset" xlink:label="ifrs-full_IncreaseDecreaseThroughRecognitionOfContractualServiceMarginInProfitOrLossToReflectTransferOfServicesInsuranceContractsLiabilityAsset" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IncreaseDecreaseThroughChangeInRiskAdjustmentForNonfinancialRiskThatDoesNotRelateToFutureOrPastServiceInsuranceContractsLiabilityAsset" xlink:label="ifrs-full_IncreaseDecreaseThroughChangeInRiskAdjustmentForNonfinancialRiskThatDoesNotRelateToFutureOrPastServiceInsuranceContractsLiabilityAsset" />
    <loc xlink:type="locator" xlink:href="nngr-2023-12-31.xsd#nngr_ExpectedClaimsAndBenefits" xlink:label="nngr_ExpectedClaimsAndBenefits" />
    <loc xlink:type="locator" xlink:href="nngr-2023-12-31.xsd#nngr_ExpectedAttributableExpenses" xlink:label="nngr_ExpectedAttributableExpenses" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IncreaseDecreaseThroughOtherChangesDeferredAcquisitionCostsArisingFromInsuranceContracts" xlink:label="ifrs-full_IncreaseDecreaseThroughOtherChangesDeferredAcquisitionCostsArisingFromInsuranceContracts" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IncreaseDecreaseThroughExperienceAdjustmentsInsuranceContractsLiabilityAsset" xlink:label="ifrs-full_IncreaseDecreaseThroughExperienceAdjustmentsInsuranceContractsLiabilityAsset" />
    <loc xlink:type="locator" xlink:href="nngr-2023-12-31.xsd#nngr_InsuranceIncomePremiumAllocationApproach" xlink:label="nngr_InsuranceIncomePremiumAllocationApproach" />
    <loc xlink:type="locator" xlink:href="nngr-2023-12-31.xsd#nngr_InvestmentResult" xlink:label="nngr_InvestmentResult" />
    <loc xlink:type="locator" xlink:href="nngr-2023-12-31.xsd#nngr_InterestIncome" xlink:label="nngr_InterestIncome" />
    <loc xlink:type="locator" xlink:href="nngr-2023-12-31.xsd#nngr_RealisedGainsLossesOnInvestmentsAtCostAndAtFairValueThroughOCI" xlink:label="nngr_RealisedGainsLossesOnInvestmentsAtCostAndAtFairValueThroughOCI" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLossDesignatedAsUponInitialRecognition" xlink:label="ifrs-full_GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLossDesignatedAsUponInitialRecognition" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AdjustmentsForGainsLossesOnFairValueAdjustmentInvestmentProperty" xlink:label="ifrs-full_AdjustmentsForGainsLossesOnFairValueAdjustmentInvestmentProperty" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod" xlink:label="ifrs-full_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ImpairmentLossImpairmentGainAndReversalOfImpairmentLossDeterminedInAccordanceWithIFRS9" xlink:label="ifrs-full_ImpairmentLossImpairmentGainAndReversalOfImpairmentLossDeterminedInAccordanceWithIFRS9" />
    <loc xlink:type="locator" xlink:href="nngr-2023-12-31.xsd#nngr_OtherInvestmentResult" xlink:label="nngr_OtherInvestmentResult" />
    <loc xlink:type="locator" xlink:href="nngr-2023-12-31.xsd#nngr_NetInsuranceResult" xlink:label="nngr_NetInsuranceResult" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IncomeExpensesFromReinsuranceContractsHeldOtherThanFinanceIncomeExpenses" xlink:label="ifrs-full_IncomeExpensesFromReinsuranceContractsHeldOtherThanFinanceIncomeExpenses" />
    <loc xlink:type="locator" xlink:href="nngr-2023-12-31.xsd#nngr_FinanceResult" xlink:label="nngr_FinanceResult" />
    <loc xlink:type="locator" xlink:href="nngr-2023-12-31.xsd#nngr_FinanceResultOnReInsuranceContracts" xlink:label="nngr_FinanceResultOnReInsuranceContracts" />
    <loc xlink:type="locator" xlink:href="nngr-2023-12-31.xsd#nngr_ResultOnInvestmentContracts" xlink:label="nngr_ResultOnInvestmentContracts" />
    <loc xlink:type="locator" xlink:href="nngr-2023-12-31.xsd#nngr_OtherFinanceResult" xlink:label="nngr_OtherFinanceResult" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ProfitLoss" xlink:label="ifrs-full_ProfitLoss" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ProfitLossAttributableToOwnersOfParent" xlink:label="ifrs-full_ProfitLossAttributableToOwnersOfParent" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ProfitLossAttributableToNoncontrollingInterests" xlink:label="ifrs-full_ProfitLossAttributableToNoncontrollingInterests" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_InsuranceServiceExpensesFromInsuranceContractsIssued" xlink:to="ifrs-full_IncreaseDecreaseThroughIncurredClaimsPaidAndOtherInsuranceServiceExpensesPaidForInsuranceContractsIssuedExcludingInsuranceAcquisitionCashFlowsInsuranceContractsLiabilityAsset" order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_InsuranceServiceExpensesFromInsuranceContractsIssued" xlink:to="nngr_IncurredAttributableExpenses" order="15" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_InsuranceServiceExpensesFromInsuranceContractsIssued" xlink:to="ifrs-full_AmortisationDeferredAcquisitionCostsArisingFromInsuranceContracts" order="16" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_InsuranceServiceExpensesFromInsuranceContractsIssued" xlink:to="ifrs-full_IncreaseDecreaseThroughChangesThatRelateToPastServiceInsuranceContractsLiabilityAsset" order="17" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_InsuranceServiceExpensesFromInsuranceContractsIssued" xlink:to="ifrs-full_IncreaseDecreaseThroughEffectsOfGroupsOfOnerousContractsInitiallyRecognisedInPeriodInsuranceContractsLiabilityAsset" order="18" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_InsuranceServiceExpensesFromInsuranceContractsIssued" xlink:to="nngr_InsuranceExpensesPremiumAllocationApproach" order="19" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="nngr_OtherResult" xlink:to="ifrs-full_FeeAndCommissionIncome" order="37" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="nngr_OtherResult" xlink:to="ifrs-full_GainsLossesOnDisposalsOfNoncurrentAssets" order="38" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="nngr_OtherResult" xlink:to="ifrs-full_OperatingExpense" order="39" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="nngr_OtherResult" xlink:to="ifrs-full_OtherIncome" order="40" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="nngr_ProfitLossBeforeTaxFromContinuingOperations" xlink:to="nngr_OtherResult" order="41" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="nngr_ProfitLossBeforeTaxFromContinuingOperations" xlink:to="nngr_NetInvestmentResult" order="36" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="nngr_ProfitLossBeforeTaxFromContinuingOperations" xlink:to="ifrs-full_InsuranceServiceResult" order="23" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_ProfitLossFromContinuingOperations" xlink:to="nngr_ProfitLossBeforeTaxFromContinuingOperations" order="42" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_ProfitLossFromContinuingOperations" xlink:to="ifrs-full_IncomeTaxExpenseContinuingOperations" order="43" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_InsuranceRevenue" xlink:to="ifrs-full_IncreaseDecreaseThroughRecognitionOfContractualServiceMarginInProfitOrLossToReflectTransferOfServicesInsuranceContractsLiabilityAsset" order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_InsuranceRevenue" xlink:to="ifrs-full_IncreaseDecreaseThroughChangeInRiskAdjustmentForNonfinancialRiskThatDoesNotRelateToFutureOrPastServiceInsuranceContractsLiabilityAsset" order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_InsuranceRevenue" xlink:to="nngr_ExpectedClaimsAndBenefits" order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_InsuranceRevenue" xlink:to="nngr_ExpectedAttributableExpenses" order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_InsuranceRevenue" xlink:to="ifrs-full_IncreaseDecreaseThroughOtherChangesDeferredAcquisitionCostsArisingFromInsuranceContracts" order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_InsuranceRevenue" xlink:to="ifrs-full_IncreaseDecreaseThroughExperienceAdjustmentsInsuranceContractsLiabilityAsset" order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_InsuranceRevenue" xlink:to="nngr_InsuranceIncomePremiumAllocationApproach" order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="nngr_InvestmentResult" xlink:to="nngr_InterestIncome" order="24" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="nngr_InvestmentResult" xlink:to="nngr_RealisedGainsLossesOnInvestmentsAtCostAndAtFairValueThroughOCI" order="25" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="nngr_InvestmentResult" xlink:to="ifrs-full_GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLossDesignatedAsUponInitialRecognition" order="26" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="nngr_InvestmentResult" xlink:to="ifrs-full_AdjustmentsForGainsLossesOnFairValueAdjustmentInvestmentProperty" order="27" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="nngr_InvestmentResult" xlink:to="ifrs-full_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod" order="28" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="nngr_InvestmentResult" xlink:to="ifrs-full_ImpairmentLossImpairmentGainAndReversalOfImpairmentLossDeterminedInAccordanceWithIFRS9" order="29" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="nngr_InvestmentResult" xlink:to="nngr_OtherInvestmentResult" order="30" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="nngr_NetInsuranceResult" xlink:to="ifrs-full_InsuranceServiceExpensesFromInsuranceContractsIssued" order="20" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="nngr_NetInsuranceResult" xlink:to="ifrs-full_InsuranceRevenue" order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_InsuranceServiceResult" xlink:to="nngr_NetInsuranceResult" order="21" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_InsuranceServiceResult" xlink:to="ifrs-full_IncomeExpensesFromReinsuranceContractsHeldOtherThanFinanceIncomeExpenses" order="22" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="nngr_NetInvestmentResult" xlink:to="nngr_FinanceResult" order="35" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="nngr_NetInvestmentResult" xlink:to="nngr_InvestmentResult" order="31" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="nngr_FinanceResult" xlink:to="nngr_FinanceResultOnReInsuranceContracts" order="32" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="nngr_FinanceResult" xlink:to="nngr_ResultOnInvestmentContracts" order="33" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="nngr_FinanceResult" xlink:to="nngr_OtherFinanceResult" order="34" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_ProfitLoss" xlink:to="ifrs-full_ProfitLossAttributableToOwnersOfParent" order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_ProfitLoss" xlink:to="ifrs-full_ProfitLossAttributableToNoncontrollingInterests" order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
  </calculationLink>
  <calculationLink xlink:role="http://nngroup.com/roles/StatementOfComprehensiveIncome" xlink:type="extended" xmlns:xlink="http://www.w3.org/1999/xlink">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_OtherComprehensiveIncome" xlink:label="ifrs-full_OtherComprehensiveIncome" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax" xlink:label="ifrs-full_OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax" xlink:label="ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ComprehensiveIncome" xlink:label="ifrs-full_ComprehensiveIncome" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ProfitLoss" xlink:label="ifrs-full_ProfitLoss" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_OtherComprehensiveIncome" xlink:to="ifrs-full_OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax" order="17" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_OtherComprehensiveIncome" xlink:to="ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax" order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_ComprehensiveIncome" xlink:to="ifrs-full_OtherComprehensiveIncome" order="18" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_ComprehensiveIncome" xlink:to="ifrs-full_ProfitLoss" order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
  </calculationLink>
  <calculationLink xlink:role="http://nngroup.com/roles/StatementOfCashFlows" xlink:type="extended" xmlns:xlink="http://www.w3.org/1999/xlink">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:label="ifrs-full_CashFlowsFromUsedInOperatingActivities" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ProfitLossBeforeTax" xlink:label="ifrs-full_ProfitLossBeforeTax" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense" xlink:label="ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AdjustmentsForIncreaseDecreaseInInsuranceReinsuranceAndInvestmentContractLiabilities" xlink:label="ifrs-full_AdjustmentsForIncreaseDecreaseInInsuranceReinsuranceAndInvestmentContractLiabilities" />
    <loc xlink:type="locator" xlink:href="nngr-2023-12-31.xsd#nngr_RealisedResultsAndImpairmentsOnInvestments" xlink:label="nngr_RealisedResultsAndImpairmentsOnInvestments" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_OtherAdjustmentsToReconcileProfitLoss" xlink:label="ifrs-full_OtherAdjustmentsToReconcileProfitLoss" />
    <loc xlink:type="locator" xlink:href="nngr-2023-12-31.xsd#nngr_NetPremiumsClaimsAndAttributableExpensesOnReInsuranceContracts" xlink:label="nngr_NetPremiumsClaimsAndAttributableExpensesOnReInsuranceContracts" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AdjustmentsForIncomeTaxExpense" xlink:label="ifrs-full_AdjustmentsForIncomeTaxExpense" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AdjustmentsForGainsLossesOnChangeInFairValueOfDerivatives" xlink:label="ifrs-full_AdjustmentsForGainsLossesOnChangeInFairValueOfDerivatives" />
    <loc xlink:type="locator" xlink:href="nngr-2023-12-31.xsd#nngr_InvestmentsAtCostChange" xlink:label="nngr_InvestmentsAtCostChange" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AdjustmentsForDecreaseIncreaseInOtherAssets" xlink:label="ifrs-full_AdjustmentsForDecreaseIncreaseInOtherAssets" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AdjustmentsForIncreaseDecreaseInDepositsFromCustomers" xlink:label="ifrs-full_AdjustmentsForIncreaseDecreaseInDepositsFromCustomers" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AdjustmentsForIncreaseDecreaseInOtherLiabilities" xlink:label="ifrs-full_AdjustmentsForIncreaseDecreaseInOtherLiabilities" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:label="ifrs-full_CashFlowsFromUsedInInvestingActivities" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" xlink:label="ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" />
    <loc xlink:type="locator" xlink:href="nngr-2023-12-31.xsd#nngr_InvestmentsAtFairValueThroughOCIInvestments" xlink:label="nngr_InvestmentsAtFairValueThroughOCIInvestments" />
    <loc xlink:type="locator" xlink:href="nngr-2023-12-31.xsd#nngr_InvestmentsAtCostInvestments" xlink:label="nngr_InvestmentsAtCostInvestments" />
    <loc xlink:type="locator" xlink:href="nngr-2023-12-31.xsd#nngr_InvestmentsAtFairValueThroughProfitOrLossInvestments" xlink:label="nngr_InvestmentsAtFairValueThroughProfitOrLossInvestments" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_PurchaseOfInterestsInInvestmentsAccountedForUsingEquityMethod" xlink:label="ifrs-full_PurchaseOfInterestsInInvestmentsAccountedForUsingEquityMethod" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_PurchaseOfInvestmentProperty" xlink:label="ifrs-full_PurchaseOfInvestmentProperty" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_PurchaseOfInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod" xlink:label="ifrs-full_PurchaseOfInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CashFlowsFromLosingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" xlink:label="ifrs-full_CashFlowsFromLosingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" />
    <loc xlink:type="locator" xlink:href="nngr-2023-12-31.xsd#nngr_InvestmentsAtFairValueThroughOCIDisposals" xlink:label="nngr_InvestmentsAtFairValueThroughOCIDisposals" />
    <loc xlink:type="locator" xlink:href="nngr-2023-12-31.xsd#nngr_InvestmentsAtCostDisposals" xlink:label="nngr_InvestmentsAtCostDisposals" />
    <loc xlink:type="locator" xlink:href="nngr-2023-12-31.xsd#nngr_InvestmentsAtFairValueThroughProfitOrLossDisposals" xlink:label="nngr_InvestmentsAtFairValueThroughProfitOrLossDisposals" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ProceedsFromSalesOfInvestmentsAccountedForUsingEquityMethod" xlink:label="ifrs-full_ProceedsFromSalesOfInvestmentsAccountedForUsingEquityMethod" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ProceedsFromSalesOfInvestmentProperty" xlink:label="ifrs-full_ProceedsFromSalesOfInvestmentProperty" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ProceedsFromSalesOfInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod" xlink:label="ifrs-full_ProceedsFromSalesOfInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:label="ifrs-full_CashFlowsFromUsedInFinancingActivities" />
    <loc xlink:type="locator" xlink:href="nngr-2023-12-31.xsd#nngr_RepaymentsOfUndatedSubordinatedNotes" xlink:label="nngr_RepaymentsOfUndatedSubordinatedNotes" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ProceedsFromIssueOfSubordinatedLiabilities" xlink:label="ifrs-full_ProceedsFromIssueOfSubordinatedLiabilities" />
    <loc xlink:type="locator" xlink:href="nngr-2023-12-31.xsd#nngr_RepaymentsOfSubordinatedNotes" xlink:label="nngr_RepaymentsOfSubordinatedNotes" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_RepaymentsOfCurrentBorrowings" xlink:label="ifrs-full_RepaymentsOfCurrentBorrowings" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities" xlink:label="ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" xlink:label="ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DividendsPaidClassifiedAsFinancingActivities" xlink:label="ifrs-full_DividendsPaidClassifiedAsFinancingActivities" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_PaymentsToAcquireOrRedeemEntitysShares" xlink:label="ifrs-full_PaymentsToAcquireOrRedeemEntitysShares" />
    <loc xlink:type="locator" xlink:href="nngr-2023-12-31.xsd#nngr_CouponOnUndatedSubordinatedNotesClassifiedAsFinancingActivities" xlink:label="nngr_CouponOnUndatedSubordinatedNotesClassifiedAsFinancingActivities" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges" xlink:label="ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:to="ifrs-full_ProfitLossBeforeTax" order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:to="ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense" order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:to="ifrs-full_AdjustmentsForIncreaseDecreaseInInsuranceReinsuranceAndInvestmentContractLiabilities" order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:to="nngr_RealisedResultsAndImpairmentsOnInvestments" order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:to="ifrs-full_OtherAdjustmentsToReconcileProfitLoss" order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:to="nngr_NetPremiumsClaimsAndAttributableExpensesOnReInsuranceContracts" order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:to="ifrs-full_AdjustmentsForIncomeTaxExpense" order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:to="ifrs-full_AdjustmentsForGainsLossesOnChangeInFairValueOfDerivatives" order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:to="nngr_InvestmentsAtCostChange" order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:to="ifrs-full_AdjustmentsForDecreaseIncreaseInOtherAssets" order="15" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:to="ifrs-full_AdjustmentsForIncreaseDecreaseInDepositsFromCustomers" order="16" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:to="ifrs-full_AdjustmentsForIncreaseDecreaseInOtherLiabilities" order="17" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:to="ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" order="20" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:to="nngr_InvestmentsAtFairValueThroughOCIInvestments" order="21" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:to="nngr_InvestmentsAtCostInvestments" order="22" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:to="nngr_InvestmentsAtFairValueThroughProfitOrLossInvestments" order="23" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:to="ifrs-full_PurchaseOfInterestsInInvestmentsAccountedForUsingEquityMethod" order="24" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:to="ifrs-full_PurchaseOfInvestmentProperty" order="25" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:to="ifrs-full_PurchaseOfInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod" order="26" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:to="ifrs-full_CashFlowsFromLosingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" order="28" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:to="nngr_InvestmentsAtFairValueThroughOCIDisposals" order="29" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:to="nngr_InvestmentsAtCostDisposals" order="30" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:to="nngr_InvestmentsAtFairValueThroughProfitOrLossDisposals" order="31" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:to="ifrs-full_ProceedsFromSalesOfInvestmentsAccountedForUsingEquityMethod" order="32" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:to="ifrs-full_ProceedsFromSalesOfInvestmentProperty" order="33" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:to="ifrs-full_ProceedsFromSalesOfInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod" order="34" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="nngr_RepaymentsOfUndatedSubordinatedNotes" order="36" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="ifrs-full_ProceedsFromIssueOfSubordinatedLiabilities" order="37" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="nngr_RepaymentsOfSubordinatedNotes" order="38" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="ifrs-full_RepaymentsOfCurrentBorrowings" order="39" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities" order="40" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" order="41" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="ifrs-full_DividendsPaidClassifiedAsFinancingActivities" order="42" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="ifrs-full_PaymentsToAcquireOrRedeemEntitysShares" order="43" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="nngr_CouponOnUndatedSubordinatedNotesClassifiedAsFinancingActivities" order="44" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges" xlink:to="ifrs-full_CashFlowsFromUsedInFinancingActivities" order="45" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges" xlink:to="ifrs-full_CashFlowsFromUsedInInvestingActivities" order="35" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges" xlink:to="ifrs-full_CashFlowsFromUsedInOperatingActivities" order="18" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
  </calculationLink>
  <calculationLink xlink:role="http://nngroup.com/roles/StatementOfChangesInEquity" xlink:type="extended" xmlns:xlink="http://www.w3.org/1999/xlink">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ComprehensiveIncome" xlink:label="ifrs-full_ComprehensiveIncome" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_OtherComprehensiveIncome" xlink:label="ifrs-full_OtherComprehensiveIncome" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ProfitLoss" xlink:label="ifrs-full_ProfitLoss" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_ComprehensiveIncome" xlink:to="ifrs-full_OtherComprehensiveIncome" order="20" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_ComprehensiveIncome" xlink:to="ifrs-full_ProfitLoss" order="21" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
  </calculationLink>
</linkbase>