<?xml version="1.0"?>
<link:linkbase xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:link="http://www.xbrl.org/2003/linkbase">
	<!-- <link:roleRef roleURI="http://www.bancaifis.it/xbrl/2020/role/DichiarazioneStatoPatrimoniale" xlink:type="simple" xlink:href="8156005420362AE59184-2021-12-31.xsd#DichiarazioneStatoPatrimoniale"/> -->
	<link:roleRef roleURI="http://www.bancaifis.it/xbrl/2020/role/DichiarazioneStatoPatrimonialeAttivo" xlink:type="simple" xlink:href="8156005420362AE59184-2021-12-31.xsd#DichiarazioneStatoPatrimonialeAttivo"/>
	<link:roleRef roleURI="http://www.bancaifis.it/xbrl/2020/role/DichiarazioneStatoPatrimonialePassivo" xlink:type="simple" xlink:href="8156005420362AE59184-2021-12-31.xsd#DichiarazioneStatoPatrimonialePassivo"/>
	<link:roleRef roleURI="http://www.bancaifis.it/xbrl/2020/role/DichiarazioneContoEconomico" xlink:type="simple" xlink:href="8156005420362AE59184-2021-12-31.xsd#DichiarazioneContoEconomico"/>
	<link:roleRef roleURI="http://www.bancaifis.it/xbrl/2020/role/DichiarazioneRedditivitaComplessiva" xlink:type="simple" xlink:href="8156005420362AE59184-2021-12-31.xsd#DichiarazioneRedditivitaComplessiva"/>
	<link:roleRef roleURI="http://www.bancaifis.it/xbrl/2020/role/DichiarazioneRendicontoFinanziario" xlink:type="simple" xlink:href="8156005420362AE59184-2021-12-31.xsd#DichiarazioneRendicontoFinanziario"/>
	<!-- <link:calculationLink xlink:type="extended" xlink:role="http://www.bancaifis.it/xbrl/2020/role/DichiarazioneStatoPatrimoniale">
		<link:calculationArc order="14.5" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_EquityAndLiabilities8" xlink:to="grifis-add-on_TaxLiabilities"/>
		<link:loc xlink:type="locator" xlink:href="8156005420362AE59184-2021-12-31.xsd#grifis-add-on_TaxLiabilities" xlink:label="grifis-add-on_TaxLiabilities"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EquityAndLiabilities" xlink:label="ifrs-full_EquityAndLiabilities8"/>
		<link:calculationArc order="28.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_EquityAndLiabilities28" xlink:to="grifis-add-on_ProfitLossAttributableToOwnersOfParent"/>
		<link:loc xlink:type="locator" xlink:href="8156005420362AE59184-2021-12-31.xsd#grifis-add-on_ProfitLossAttributableToOwnersOfParent" xlink:label="grifis-add-on_ProfitLossAttributableToOwnersOfParent"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EquityAndLiabilities" xlink:label="ifrs-full_EquityAndLiabilities28"/>
		<link:calculationArc order="27.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_EquityAndLiabilities27" xlink:to="ifrs-full_NoncontrollingInterests"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_NoncontrollingInterests" xlink:label="ifrs-full_NoncontrollingInterests"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EquityAndLiabilities" xlink:label="ifrs-full_EquityAndLiabilities27"/>
		<link:calculationArc order="26.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_EquityAndLiabilities26" xlink:to="ifrs-full_TreasuryShares"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_TreasuryShares" xlink:label="ifrs-full_TreasuryShares"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EquityAndLiabilities" xlink:label="ifrs-full_EquityAndLiabilities26"/>
		<link:calculationArc order="25.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_EquityAndLiabilities25" xlink:to="ifrs-full_IssuedCapital"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IssuedCapital" xlink:label="ifrs-full_IssuedCapital"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EquityAndLiabilities" xlink:label="ifrs-full_EquityAndLiabilities25"/>
		<link:calculationArc order="24.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_EquityAndLiabilities24" xlink:to="ifrs-full_SharePremium"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_SharePremium" xlink:label="ifrs-full_SharePremium"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EquityAndLiabilities" xlink:label="ifrs-full_EquityAndLiabilities24"/>
		<link:calculationArc order="23.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_EquityAndLiabilities23" xlink:to="grifis-add-on_OtherReservesOther"/>
		<link:loc xlink:type="locator" xlink:href="8156005420362AE59184-2021-12-31.xsd#grifis-add-on_OtherReservesOther" xlink:label="grifis-add-on_OtherReservesOther"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EquityAndLiabilities" xlink:label="ifrs-full_EquityAndLiabilities23"/>
		<link:calculationArc order="20.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_EquityAndLiabilities20" xlink:to="grifis-add-on_ValuationReserves"/>
		<link:loc xlink:type="locator" xlink:href="8156005420362AE59184-2021-12-31.xsd#grifis-add-on_ValuationReserves" xlink:label="grifis-add-on_ValuationReserves"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EquityAndLiabilities" xlink:label="ifrs-full_EquityAndLiabilities20"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EquityAndLiabilities" xlink:label="ifrs-full_EquityAndLiabilities18"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EquityAndLiabilities" xlink:label="ifrs-full_EquityAndLiabilities17"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EquityAndLiabilities" xlink:label="ifrs-full_EquityAndLiabilities16"/>
		<link:calculationArc order="15.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_EquityAndLiabilities15" xlink:to="ifrs-full_Provisions"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_Provisions" xlink:label="ifrs-full_Provisions"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EquityAndLiabilities" xlink:label="ifrs-full_EquityAndLiabilities15"/>
		<link:calculationArc order="14.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_EquityAndLiabilities14" xlink:to="grifis-add-on_ProvisionForEmployeeSeverancesPay"/>
		<link:loc xlink:type="locator" xlink:href="8156005420362AE59184-2021-12-31.xsd#grifis-add-on_ProvisionForEmployeeSeverancesPay" xlink:label="grifis-add-on_ProvisionForEmployeeSeverancesPay"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EquityAndLiabilities" xlink:label="ifrs-full_EquityAndLiabilities14"/>
		<link:calculationArc order="13.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_EquityAndLiabilities13" xlink:to="ifrs-full_OtherLiabilities"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_OtherLiabilities" xlink:label="ifrs-full_OtherLiabilities"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EquityAndLiabilities" xlink:label="ifrs-full_EquityAndLiabilities13"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EquityAndLiabilities" xlink:label="ifrs-full_EquityAndLiabilities12"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EquityAndLiabilities" xlink:label="ifrs-full_EquityAndLiabilities11"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EquityAndLiabilities" xlink:label="ifrs-full_EquityAndLiabilities10"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EquityAndLiabilities" xlink:label="ifrs-full_EquityAndLiabilities7"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EquityAndLiabilities" xlink:label="ifrs-full_EquityAndLiabilities6"/>
		<link:calculationArc order="5.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_EquityAndLiabilities5" xlink:to="ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading" xlink:label="ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EquityAndLiabilities" xlink:label="ifrs-full_EquityAndLiabilities5"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EquityAndLiabilities" xlink:label="ifrs-full_EquityAndLiabilities4"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EquityAndLiabilities" xlink:label="ifrs-full_EquityAndLiabilities3"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EquityAndLiabilities" xlink:label="ifrs-full_EquityAndLiabilities2"/>
		<link:calculationArc order="1.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_EquityAndLiabilities1" xlink:to="ifrs-full_FinancialLiabilitiesAtAmortisedCost"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_FinancialLiabilitiesAtAmortisedCost" xlink:label="ifrs-full_FinancialLiabilitiesAtAmortisedCost"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EquityAndLiabilities" xlink:label="ifrs-full_EquityAndLiabilities1"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EquityAndLiabilities" xlink:label="ifrs-full_EquityAndLiabilities"/>
		<link:calculationArc order="20.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_Assets20" xlink:to="ifrs-full_OtherAssets"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_OtherAssets" xlink:label="ifrs-full_OtherAssets"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_Assets" xlink:label="ifrs-full_Assets20"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_Assets" xlink:label="ifrs-full_Assets19"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_Assets" xlink:label="ifrs-full_Assets18"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_Assets" xlink:label="ifrs-full_Assets17"/>
		<link:calculationArc order="16.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_Assets16" xlink:to="grifis-add-on_TaxAssets"/>
		<link:loc xlink:type="locator" xlink:href="8156005420362AE59184-2021-12-31.xsd#grifis-add-on_TaxAssets" xlink:label="grifis-add-on_TaxAssets"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_Assets" xlink:label="ifrs-full_Assets16"/>
		<link:calculationArc order="15.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_Assets15" xlink:to="ifrs-full_IntangibleAssetsAndGoodwill"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IntangibleAssetsAndGoodwill" xlink:label="ifrs-full_IntangibleAssetsAndGoodwill"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_Assets" xlink:label="ifrs-full_Assets15"/>
		<link:calculationArc order="14.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_Assets14" xlink:to="grifis-add-on_TangibleAssets"/>
		<link:loc xlink:type="locator" xlink:href="8156005420362AE59184-2021-12-31.xsd#grifis-add-on_TangibleAssets" xlink:label="grifis-add-on_TangibleAssets"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_Assets" xlink:label="ifrs-full_Assets14"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_Assets" xlink:label="ifrs-full_Assets12"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_Assets" xlink:label="ifrs-full_Assets10"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_Assets" xlink:label="ifrs-full_Assets9"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_Assets" xlink:label="ifrs-full_Assets8"/>
		<link:calculationArc order="7.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_Assets7" xlink:to="ifrs-full_FinancialAssetsAtAmortisedCost"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_FinancialAssetsAtAmortisedCost" xlink:label="ifrs-full_FinancialAssetsAtAmortisedCost"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_Assets" xlink:label="ifrs-full_Assets7"/>
		<link:calculationArc order="6.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_Assets6" xlink:to="ifrs-full_FinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_FinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome" xlink:label="ifrs-full_FinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_Assets" xlink:label="ifrs-full_Assets6"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_Assets" xlink:label="ifrs-full_Assets5"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_Assets" xlink:label="ifrs-full_Assets4"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_Assets" xlink:label="ifrs-full_Assets3"/>
		<link:calculationArc order="2.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_Assets2" xlink:to="ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLoss"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLoss" xlink:label="ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLoss"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_Assets" xlink:label="ifrs-full_Assets2"/>
		<link:calculationArc order="1.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_Assets1" xlink:to="ifrs-full_CashAndCashEquivalents"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CashAndCashEquivalents" xlink:label="ifrs-full_CashAndCashEquivalents"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_Assets" xlink:label="ifrs-full_Assets1"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_Assets" xlink:label="ifrs-full_Assets"/>
	</link:calculationLink> -->
	<link:calculationLink xlink:type="extended" xlink:role="http://www.bancaifis.it/xbrl/2020/role/DichiarazioneStatoPatrimonialeAttivo">
		<link:calculationArc order="20.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_Assets20" xlink:to="ifrs-full_OtherAssets"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_OtherAssets" xlink:label="ifrs-full_OtherAssets"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_Assets" xlink:label="ifrs-full_Assets20"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_Assets" xlink:label="ifrs-full_Assets19"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_Assets" xlink:label="ifrs-full_Assets18"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_Assets" xlink:label="ifrs-full_Assets17"/>
		<link:calculationArc order="16.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_Assets16" xlink:to="grifis-add-on_TaxAssets"/>
		<link:loc xlink:type="locator" xlink:href="8156005420362AE59184-2021-12-31.xsd#grifis-add-on_TaxAssets" xlink:label="grifis-add-on_TaxAssets"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_Assets" xlink:label="ifrs-full_Assets16"/>
		<link:calculationArc order="15.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_Assets15" xlink:to="ifrs-full_IntangibleAssetsAndGoodwill"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IntangibleAssetsAndGoodwill" xlink:label="ifrs-full_IntangibleAssetsAndGoodwill"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_Assets" xlink:label="ifrs-full_Assets15"/>
		<link:calculationArc order="14.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_Assets14" xlink:to="grifis-add-on_TangibleAssets"/>
		<link:loc xlink:type="locator" xlink:href="8156005420362AE59184-2021-12-31.xsd#grifis-add-on_TangibleAssets" xlink:label="grifis-add-on_TangibleAssets"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_Assets" xlink:label="ifrs-full_Assets14"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_Assets" xlink:label="ifrs-full_Assets12"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_Assets" xlink:label="ifrs-full_Assets10"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_Assets" xlink:label="ifrs-full_Assets9"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_Assets" xlink:label="ifrs-full_Assets8"/>
		<link:calculationArc order="7.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_Assets7" xlink:to="ifrs-full_FinancialAssetsAtAmortisedCost"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_FinancialAssetsAtAmortisedCost" xlink:label="ifrs-full_FinancialAssetsAtAmortisedCost"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_Assets" xlink:label="ifrs-full_Assets7"/>
		<link:calculationArc order="6.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_Assets6" xlink:to="ifrs-full_FinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_FinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome" xlink:label="ifrs-full_FinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_Assets" xlink:label="ifrs-full_Assets6"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_Assets" xlink:label="ifrs-full_Assets5"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_Assets" xlink:label="ifrs-full_Assets4"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_Assets" xlink:label="ifrs-full_Assets3"/>
		<link:calculationArc order="2.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_Assets2" xlink:to="ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLoss"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLoss" xlink:label="ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLoss"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_Assets" xlink:label="ifrs-full_Assets2"/>
		<link:calculationArc order="1.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_Assets1" xlink:to="ifrs-full_CashAndCashEquivalents"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CashAndCashEquivalents" xlink:label="ifrs-full_CashAndCashEquivalents"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_Assets" xlink:label="ifrs-full_Assets1"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_Assets" xlink:label="ifrs-full_Assets"/>
	</link:calculationLink>
	<link:calculationLink xlink:type="extended" xlink:role="http://www.bancaifis.it/xbrl/2020/role/DichiarazioneStatoPatrimonialePassivo">
		<link:calculationArc order="14.5" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_EquityAndLiabilities8" xlink:to="grifis-add-on_TaxLiabilities"/>
		<link:loc xlink:type="locator" xlink:href="8156005420362AE59184-2021-12-31.xsd#grifis-add-on_TaxLiabilities" xlink:label="grifis-add-on_TaxLiabilities"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EquityAndLiabilities" xlink:label="ifrs-full_EquityAndLiabilities8"/>
		<link:calculationArc order="28.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_EquityAndLiabilities28" xlink:to="grifis-add-on_ProfitLossAttributableToOwnersOfParent"/>
		<link:loc xlink:type="locator" xlink:href="8156005420362AE59184-2021-12-31.xsd#grifis-add-on_ProfitLossAttributableToOwnersOfParent" xlink:label="grifis-add-on_ProfitLossAttributableToOwnersOfParent"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EquityAndLiabilities" xlink:label="ifrs-full_EquityAndLiabilities28"/>
		<link:calculationArc order="27.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_EquityAndLiabilities27" xlink:to="ifrs-full_NoncontrollingInterests"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_NoncontrollingInterests" xlink:label="ifrs-full_NoncontrollingInterests"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EquityAndLiabilities" xlink:label="ifrs-full_EquityAndLiabilities27"/>
		<link:calculationArc order="26.0" weight="-1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_EquityAndLiabilities26" xlink:to="ifrs-full_TreasuryShares"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_TreasuryShares" xlink:label="ifrs-full_TreasuryShares"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EquityAndLiabilities" xlink:label="ifrs-full_EquityAndLiabilities26"/>
		<link:calculationArc order="25.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_EquityAndLiabilities25" xlink:to="ifrs-full_IssuedCapital"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IssuedCapital" xlink:label="ifrs-full_IssuedCapital"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EquityAndLiabilities" xlink:label="ifrs-full_EquityAndLiabilities25"/>
		<link:calculationArc order="24.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_EquityAndLiabilities24" xlink:to="ifrs-full_SharePremium"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_SharePremium" xlink:label="ifrs-full_SharePremium"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EquityAndLiabilities" xlink:label="ifrs-full_EquityAndLiabilities24"/>
		<link:calculationArc order="23.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_EquityAndLiabilities23" xlink:to="grifis-add-on_OtherReservesOther"/>
		<link:loc xlink:type="locator" xlink:href="8156005420362AE59184-2021-12-31.xsd#grifis-add-on_OtherReservesOther" xlink:label="grifis-add-on_OtherReservesOther"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EquityAndLiabilities" xlink:label="ifrs-full_EquityAndLiabilities23"/>
		<link:calculationArc order="20.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_EquityAndLiabilities20" xlink:to="grifis-add-on_ValuationReserve"/>
		<link:loc xlink:type="locator" xlink:href="8156005420362AE59184-2021-12-31.xsd#grifis-add-on_ValuationReserve" xlink:label="grifis-add-on_ValuationReserve"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EquityAndLiabilities" xlink:label="ifrs-full_EquityAndLiabilities20"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EquityAndLiabilities" xlink:label="ifrs-full_EquityAndLiabilities18"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EquityAndLiabilities" xlink:label="ifrs-full_EquityAndLiabilities17"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EquityAndLiabilities" xlink:label="ifrs-full_EquityAndLiabilities16"/>
		<link:calculationArc order="15.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_EquityAndLiabilities15" xlink:to="ifrs-full_Provisions"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_Provisions" xlink:label="ifrs-full_Provisions"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EquityAndLiabilities" xlink:label="ifrs-full_EquityAndLiabilities15"/>
		<link:calculationArc order="14.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_EquityAndLiabilities14" xlink:to="grifis-add-on_ProvisionForEmployeeSeverancesPay"/>
		<link:loc xlink:type="locator" xlink:href="8156005420362AE59184-2021-12-31.xsd#grifis-add-on_ProvisionForEmployeeSeverancesPay" xlink:label="grifis-add-on_ProvisionForEmployeeSeverancesPay"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EquityAndLiabilities" xlink:label="ifrs-full_EquityAndLiabilities14"/>
		<link:calculationArc order="13.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_EquityAndLiabilities13" xlink:to="ifrs-full_OtherLiabilities"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_OtherLiabilities" xlink:label="ifrs-full_OtherLiabilities"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EquityAndLiabilities" xlink:label="ifrs-full_EquityAndLiabilities13"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EquityAndLiabilities" xlink:label="ifrs-full_EquityAndLiabilities12"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EquityAndLiabilities" xlink:label="ifrs-full_EquityAndLiabilities11"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EquityAndLiabilities" xlink:label="ifrs-full_EquityAndLiabilities10"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EquityAndLiabilities" xlink:label="ifrs-full_EquityAndLiabilities7"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EquityAndLiabilities" xlink:label="ifrs-full_EquityAndLiabilities6"/>
		<link:calculationArc order="5.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_EquityAndLiabilities5" xlink:to="ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading" xlink:label="ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EquityAndLiabilities" xlink:label="ifrs-full_EquityAndLiabilities5"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EquityAndLiabilities" xlink:label="ifrs-full_EquityAndLiabilities4"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EquityAndLiabilities" xlink:label="ifrs-full_EquityAndLiabilities3"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EquityAndLiabilities" xlink:label="ifrs-full_EquityAndLiabilities2"/>
		<link:calculationArc order="1.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_EquityAndLiabilities1" xlink:to="ifrs-full_FinancialLiabilitiesAtAmortisedCost"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_FinancialLiabilitiesAtAmortisedCost" xlink:label="ifrs-full_FinancialLiabilitiesAtAmortisedCost"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EquityAndLiabilities" xlink:label="ifrs-full_EquityAndLiabilities1"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EquityAndLiabilities" xlink:label="ifrs-full_EquityAndLiabilities"/>
	</link:calculationLink>
	<link:calculationLink xlink:type="extended" xlink:role="http://www.bancaifis.it/xbrl/2020/role/DichiarazioneContoEconomico">
		<link:calculationArc order="2.0" weight="-1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_ProfitLoss2" xlink:to="ifrs-full_IncomeTaxExpenseContinuingOperations"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:label="ifrs-full_IncomeTaxExpenseContinuingOperations"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ProfitLoss" xlink:label="ifrs-full_ProfitLoss2"/>
		<link:calculationArc order="1.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_ProfitLossBeforeTax1" xlink:to="grifis-add-on_NetProfitFromFinancialActivities"/>
		<link:loc xlink:type="locator" xlink:href="8156005420362AE59184-2021-12-31.xsd#grifis-add-on_NetProfitFromFinancialActivities" xlink:label="grifis-add-on_NetProfitFromFinancialActivities"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ProfitLossBeforeTax" xlink:label="ifrs-full_ProfitLossBeforeTax1"/>
		<link:calculationArc order="2.0" weight="-1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="grifis-add-on_NetInterestMargin2" xlink:to="grifis-add-on_InterestExpenseAndSimilarCharges"/>
		<link:loc xlink:type="locator" xlink:href="8156005420362AE59184-2021-12-31.xsd#grifis-add-on_InterestExpenseAndSimilarCharges" xlink:label="grifis-add-on_InterestExpenseAndSimilarCharges"/>
		<link:loc xlink:type="locator" xlink:href="8156005420362AE59184-2021-12-31.xsd#grifis-add-on_NetInterestMargin" xlink:label="grifis-add-on_NetInterestMargin2"/>
		<link:calculationArc order="1.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="grifis-add-on_NetInterestMargin1" xlink:to="grifis-add-on_InterestIncomeAndSimilarRevenues"/>
		<link:loc xlink:type="locator" xlink:href="8156005420362AE59184-2021-12-31.xsd#grifis-add-on_InterestIncomeAndSimilarRevenues" xlink:label="grifis-add-on_InterestIncomeAndSimilarRevenues"/>
		<link:loc xlink:type="locator" xlink:href="8156005420362AE59184-2021-12-31.xsd#grifis-add-on_NetInterestMargin" xlink:label="grifis-add-on_NetInterestMargin1"/>
		<link:calculationArc order="2.0" weight="-1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_FeeAndCommissionIncomeExpense2" xlink:to="ifrs-full_FeeAndCommissionExpense"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_FeeAndCommissionExpense" xlink:label="ifrs-full_FeeAndCommissionExpense"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_FeeAndCommissionIncomeExpense" xlink:label="ifrs-full_FeeAndCommissionIncomeExpense2"/>
		<link:calculationArc order="1.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_FeeAndCommissionIncomeExpense1" xlink:to="ifrs-full_FeeAndCommissionIncome"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_FeeAndCommissionIncome" xlink:label="ifrs-full_FeeAndCommissionIncome"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_FeeAndCommissionIncomeExpense" xlink:label="ifrs-full_FeeAndCommissionIncomeExpense1"/>
		<link:calculationArc order="7.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="grifis-add-on_GrossIncome7" xlink:to="grifis-add-on_NetGainsLossesOnOtherFinancialAssetsLiabilitiesAtFairValueThroughProfitOrLoss"/>
		<link:loc xlink:type="locator" xlink:href="8156005420362AE59184-2021-12-31.xsd#grifis-add-on_NetGainsLossesOnOtherFinancialAssetsLiabilitiesAtFairValueThroughProfitOrLoss" xlink:label="grifis-add-on_NetGainsLossesOnOtherFinancialAssetsLiabilitiesAtFairValueThroughProfitOrLoss"/>
		<link:loc xlink:type="locator" xlink:href="8156005420362AE59184-2021-12-31.xsd#grifis-add-on_GrossIncome" xlink:label="grifis-add-on_GrossIncome7"/>
		<link:calculationArc order="6.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="grifis-add-on_GrossIncome6" xlink:to="grifis-add-on_GainsLossesOnDisposalsAndRepurchaseOfFinancialAssetsAndLiabilities"/>
		<link:loc xlink:type="locator" xlink:href="8156005420362AE59184-2021-12-31.xsd#grifis-add-on_GainsLossesOnDisposalsAndRepurchaseOfFinancialAssetsAndLiabilities" xlink:label="grifis-add-on_GainsLossesOnDisposalsAndRepurchaseOfFinancialAssetsAndLiabilities"/>
		<link:loc xlink:type="locator" xlink:href="8156005420362AE59184-2021-12-31.xsd#grifis-add-on_GrossIncome" xlink:label="grifis-add-on_GrossIncome6"/>
		<link:calculationArc order="4.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="grifis-add-on_GrossIncome4" xlink:to="ifrs-full_TradingIncomeExpense"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_TradingIncomeExpense" xlink:label="ifrs-full_TradingIncomeExpense"/>
		<link:loc xlink:type="locator" xlink:href="8156005420362AE59184-2021-12-31.xsd#grifis-add-on_GrossIncome" xlink:label="grifis-add-on_GrossIncome4"/>
		<link:calculationArc order="3.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="grifis-add-on_GrossIncome3" xlink:to="ifrs-full_RevenueFromDividends"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_RevenueFromDividends" xlink:label="ifrs-full_RevenueFromDividends"/>
		<link:loc xlink:type="locator" xlink:href="8156005420362AE59184-2021-12-31.xsd#grifis-add-on_GrossIncome" xlink:label="grifis-add-on_GrossIncome3"/>
		<link:calculationArc order="2.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="grifis-add-on_GrossIncome2" xlink:to="ifrs-full_FeeAndCommissionIncomeExpense"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_FeeAndCommissionIncomeExpense" xlink:label="ifrs-full_FeeAndCommissionIncomeExpense"/>
		<link:loc xlink:type="locator" xlink:href="8156005420362AE59184-2021-12-31.xsd#grifis-add-on_GrossIncome" xlink:label="grifis-add-on_GrossIncome2"/>
		<link:calculationArc order="1.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="grifis-add-on_GrossIncome1" xlink:to="grifis-add-on_NetInterestMargin"/>
		<link:loc xlink:type="locator" xlink:href="8156005420362AE59184-2021-12-31.xsd#grifis-add-on_NetInterestMargin" xlink:label="grifis-add-on_NetInterestMargin"/>
		<link:loc xlink:type="locator" xlink:href="8156005420362AE59184-2021-12-31.xsd#grifis-add-on_GrossIncome" xlink:label="grifis-add-on_GrossIncome1"/>
		<link:calculationArc order="2.0" weight="-1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="grifis-add-on_NetProfitFromFinancialActivities2" xlink:to="ifrs-full_ImpairmentLossImpairmentGainAndReversalOfImpairmentLossDeterminedInAccordanceWithIFRS9"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ImpairmentLossImpairmentGainAndReversalOfImpairmentLossDeterminedInAccordanceWithIFRS9" xlink:label="ifrs-full_ImpairmentLossImpairmentGainAndReversalOfImpairmentLossDeterminedInAccordanceWithIFRS9"/>
		<link:loc xlink:type="locator" xlink:href="8156005420362AE59184-2021-12-31.xsd#grifis-add-on_NetProfitFromFinancialActivities" xlink:label="grifis-add-on_NetProfitFromFinancialActivities2"/>
		<link:calculationArc order="1.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="grifis-add-on_NetProfitFromFinancialActivities1" xlink:to="grifis-add-on_GrossIncome"/>
		<link:loc xlink:type="locator" xlink:href="8156005420362AE59184-2021-12-31.xsd#grifis-add-on_GrossIncome" xlink:label="grifis-add-on_GrossIncome"/>
		<link:loc xlink:type="locator" xlink:href="8156005420362AE59184-2021-12-31.xsd#grifis-add-on_NetProfitFromFinancialActivities" xlink:label="grifis-add-on_NetProfitFromFinancialActivities1"/>
		<link:calculationArc order="5.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="grifis-add-on_OperatingCosts5" xlink:to="ifrs-full_OtherOperatingIncomeExpense"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_OtherOperatingIncomeExpense" xlink:label="ifrs-full_OtherOperatingIncomeExpense"/>
		<link:loc xlink:type="locator" xlink:href="8156005420362AE59184-2021-12-31.xsd#grifis-add-on_OperatingCosts" xlink:label="grifis-add-on_OperatingCosts5"/>
		<link:calculationArc order="4.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="grifis-add-on_OperatingCosts4" xlink:to="grifis-add-on_DepreciationAmortisationAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossIntangibleAssetsOtherThanGoodwill"/>
		<link:loc xlink:type="locator" xlink:href="8156005420362AE59184-2021-12-31.xsd#grifis-add-on_DepreciationAmortisationAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossIntangibleAssetsOtherThanGoodwill" xlink:label="grifis-add-on_DepreciationAmortisationAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossIntangibleAssetsOtherThanGoodwill"/>
		<link:loc xlink:type="locator" xlink:href="8156005420362AE59184-2021-12-31.xsd#grifis-add-on_OperatingCosts" xlink:label="grifis-add-on_OperatingCosts4"/>
		<link:calculationArc order="3.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="grifis-add-on_OperatingCosts3" xlink:to="grifis-add-on_DepreciationAmortisationAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossTangibleAssets"/>
		<link:loc xlink:type="locator" xlink:href="8156005420362AE59184-2021-12-31.xsd#grifis-add-on_DepreciationAmortisationAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossTangibleAssets" xlink:label="grifis-add-on_DepreciationAmortisationAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossTangibleAssets"/>
		<link:loc xlink:type="locator" xlink:href="8156005420362AE59184-2021-12-31.xsd#grifis-add-on_OperatingCosts" xlink:label="grifis-add-on_OperatingCosts3"/>
		<link:calculationArc order="2.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="grifis-add-on_OperatingCosts2" xlink:to="grifis-add-on_NetProvisionsForRisksAndCharges"/>
		<link:loc xlink:type="locator" xlink:href="8156005420362AE59184-2021-12-31.xsd#grifis-add-on_NetProvisionsForRisksAndCharges" xlink:label="grifis-add-on_NetProvisionsForRisksAndCharges"/>
		<link:loc xlink:type="locator" xlink:href="8156005420362AE59184-2021-12-31.xsd#grifis-add-on_OperatingCosts" xlink:label="grifis-add-on_OperatingCosts2"/>
		<link:calculationArc order="1.0" weight="-1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="grifis-add-on_OperatingCosts1" xlink:to="ifrs-full_AdministrativeExpense"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AdministrativeExpense" xlink:label="ifrs-full_AdministrativeExpense"/>
		<link:loc xlink:type="locator" xlink:href="8156005420362AE59184-2021-12-31.xsd#grifis-add-on_OperatingCosts" xlink:label="grifis-add-on_OperatingCosts1"/>
		<link:calculationArc order="6.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_ProfitLossBeforeTax6" xlink:to="ifrs-full_GainsLossesOnDisposalsOfInvestments"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_GainsLossesOnDisposalsOfInvestments" xlink:label="ifrs-full_GainsLossesOnDisposalsOfInvestments"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ProfitLossBeforeTax" xlink:label="ifrs-full_ProfitLossBeforeTax6"/>
		<link:calculationArc order="5.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_ProfitLossBeforeTax5" xlink:to="grifis-add-on_GoodwillImpairment"/>
		<link:loc xlink:type="locator" xlink:href="8156005420362AE59184-2021-12-31.xsd#grifis-add-on_GoodwillImpairment" xlink:label="grifis-add-on_GoodwillImpairment"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ProfitLossBeforeTax" xlink:label="ifrs-full_ProfitLossBeforeTax5"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ProfitLossBeforeTax" xlink:label="ifrs-full_ProfitLossBeforeTax3"/>
		<link:calculationArc order="2.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_ProfitLossBeforeTax2" xlink:to="grifis-add-on_OperatingCosts"/>
		<link:loc xlink:type="locator" xlink:href="8156005420362AE59184-2021-12-31.xsd#grifis-add-on_OperatingCosts" xlink:label="grifis-add-on_OperatingCosts"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ProfitLossBeforeTax" xlink:label="ifrs-full_ProfitLossBeforeTax2"/>
		<link:calculationArc order="1.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_ProfitLoss1" xlink:to="ifrs-full_ProfitLossBeforeTax"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ProfitLossBeforeTax" xlink:label="ifrs-full_ProfitLossBeforeTax"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ProfitLoss" xlink:label="ifrs-full_ProfitLoss1"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ProfitLoss" xlink:label="ifrs-full_ProfitLoss"/>
	</link:calculationLink>
	<link:calculationLink xlink:type="extended" xlink:role="http://www.bancaifis.it/xbrl/2020/role/DichiarazioneRedditivitaComplessiva">
		<link:calculationArc order="2.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_ComprehensiveIncome2" xlink:to="ifrs-full_OtherComprehensiveIncome"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_OtherComprehensiveIncome" xlink:label="ifrs-full_OtherComprehensiveIncome"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ComprehensiveIncome" xlink:label="ifrs-full_ComprehensiveIncome2"/>
		<link:calculationArc order="1.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_ComprehensiveIncome1" xlink:to="ifrs-full_ProfitLoss"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ProfitLoss" xlink:label="ifrs-full_ProfitLoss"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ComprehensiveIncome" xlink:label="ifrs-full_ComprehensiveIncome1"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ComprehensiveIncome" xlink:label="ifrs-full_ComprehensiveIncome"/>
	</link:calculationLink>
	<link:calculationLink xlink:type="extended" xlink:role="http://www.bancaifis.it/xbrl/2020/role/DichiarazioneRendicontoFinanziario">
		<link:calculationArc order="4.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_CashFlowsFromUsedInFinancingActivities4" xlink:to="grifis-add-on_OtherInflowsOutflowsFromSalePurchaseOfMinorityControl"/>
		<link:loc xlink:type="locator" xlink:href="8156005420362AE59184-2021-12-31.xsd#grifis-add-on_OtherInflowsOutflowsFromSalePurchaseOfMinorityControl" xlink:label="grifis-add-on_OtherInflowsOutflowsFromSalePurchaseOfMinorityControl"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:label="ifrs-full_CashFlowsFromUsedInFinancingActivities4"/>
		<link:calculationArc order="3.0" weight="-1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_CashFlowsFromUsedInFinancingActivities3" xlink:to="ifrs-full_DividendsPaidClassifiedAsFinancingActivities"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DividendsPaidClassifiedAsFinancingActivities" xlink:label="ifrs-full_DividendsPaidClassifiedAsFinancingActivities"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:label="ifrs-full_CashFlowsFromUsedInFinancingActivities3"/>
		<link:calculationArc order="4.0" weight="-1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="grifis-add-on_CashFlowsUsedInInvestingActivities4" xlink:to="ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" xlink:label="ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities"/>
		<link:loc xlink:type="locator" xlink:href="8156005420362AE59184-2021-12-31.xsd#grifis-add-on_CashFlowsUsedInInvestingActivities" xlink:label="grifis-add-on_CashFlowsUsedInInvestingActivities4"/>
		<link:calculationArc order="3.0" weight="-1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="grifis-add-on_CashFlowsUsedInInvestingActivities3" xlink:to="ifrs-full_PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities" xlink:label="ifrs-full_PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities"/>
		<link:loc xlink:type="locator" xlink:href="8156005420362AE59184-2021-12-31.xsd#grifis-add-on_CashFlowsUsedInInvestingActivities" xlink:label="grifis-add-on_CashFlowsUsedInInvestingActivities3"/>
		<link:calculationArc order="2.0" weight="-1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="grifis-add-on_CashFlowsUsedInInvestingActivities2" xlink:to="grifis-add-on_PurchaseOfTangibleAssetsClassifiedAsInvestingActivities"/>
		<link:loc xlink:type="locator" xlink:href="8156005420362AE59184-2021-12-31.xsd#grifis-add-on_PurchaseOfTangibleAssetsClassifiedAsInvestingActivities" xlink:label="grifis-add-on_PurchaseOfTangibleAssetsClassifiedAsInvestingActivities"/>
		<link:loc xlink:type="locator" xlink:href="8156005420362AE59184-2021-12-31.xsd#grifis-add-on_CashFlowsUsedInInvestingActivities" xlink:label="grifis-add-on_CashFlowsUsedInInvestingActivities2"/>
		<link:loc xlink:type="locator" xlink:href="8156005420362AE59184-2021-12-31.xsd#grifis-add-on_CashFlowsUsedInInvestingActivities" xlink:label="grifis-add-on_CashFlowsUsedInInvestingActivities1"/>
		<link:loc xlink:type="locator" xlink:href="8156005420362AE59184-2021-12-31.xsd#grifis-add-on_CashFlowsFromInvestingActivities" xlink:label="grifis-add-on_CashFlowsFromInvestingActivities5"/>
		<link:loc xlink:type="locator" xlink:href="8156005420362AE59184-2021-12-31.xsd#grifis-add-on_CashFlowsFromInvestingActivities" xlink:label="grifis-add-on_CashFlowsFromInvestingActivities4"/>
		<link:calculationArc order="3.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="grifis-add-on_CashFlowsFromInvestingActivities3" xlink:to="grifis-add-on_ProceedsFromSalesOfTangibleAssetsClassifiedAsInvestingActivities"/>
		<link:loc xlink:type="locator" xlink:href="8156005420362AE59184-2021-12-31.xsd#grifis-add-on_ProceedsFromSalesOfTangibleAssetsClassifiedAsInvestingActivities" xlink:label="grifis-add-on_ProceedsFromSalesOfTangibleAssetsClassifiedAsInvestingActivities"/>
		<link:loc xlink:type="locator" xlink:href="8156005420362AE59184-2021-12-31.xsd#grifis-add-on_CashFlowsFromInvestingActivities" xlink:label="grifis-add-on_CashFlowsFromInvestingActivities3"/>
		<link:loc xlink:type="locator" xlink:href="8156005420362AE59184-2021-12-31.xsd#grifis-add-on_CashFlowsFromInvestingActivities" xlink:label="grifis-add-on_CashFlowsFromInvestingActivities2"/>
		<link:calculationArc order="1.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="grifis-add-on_CashFlowsFromInvestingActivities1" xlink:to="ifrs-full_OtherCashReceiptsFromSalesOfEquityOrDebtInstrumentsOfOtherEntitiesClassifiedAsInvestingActivities"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_OtherCashReceiptsFromSalesOfEquityOrDebtInstrumentsOfOtherEntitiesClassifiedAsInvestingActivities" xlink:label="ifrs-full_OtherCashReceiptsFromSalesOfEquityOrDebtInstrumentsOfOtherEntitiesClassifiedAsInvestingActivities"/>
		<link:loc xlink:type="locator" xlink:href="8156005420362AE59184-2021-12-31.xsd#grifis-add-on_CashFlowsFromInvestingActivities" xlink:label="grifis-add-on_CashFlowsFromInvestingActivities1"/>
		<link:calculationArc order="2.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_CashFlowsFromUsedInInvestingActivities2" xlink:to="grifis-add-on_CashFlowsUsedInInvestingActivities"/>
		<link:loc xlink:type="locator" xlink:href="8156005420362AE59184-2021-12-31.xsd#grifis-add-on_CashFlowsUsedInInvestingActivities" xlink:label="grifis-add-on_CashFlowsUsedInInvestingActivities"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:label="ifrs-full_CashFlowsFromUsedInInvestingActivities2"/>
		<link:calculationArc order="1.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_CashFlowsFromUsedInInvestingActivities1" xlink:to="grifis-add-on_CashFlowsFromInvestingActivities"/>
		<link:loc xlink:type="locator" xlink:href="8156005420362AE59184-2021-12-31.xsd#grifis-add-on_CashFlowsFromInvestingActivities" xlink:label="grifis-add-on_CashFlowsFromInvestingActivities"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:label="ifrs-full_CashFlowsFromUsedInInvestingActivities1"/>
		<link:calculationArc order="4.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="grifis-add-on_CashFlowsFromUsedInFinancialLiabilitiesClassifiedAsOperatingActivities4" xlink:to="grifis-add-on_CashFlowsFromIncreaseDecreaseOfOtherLiabilities"/>
		<link:loc xlink:type="locator" xlink:href="8156005420362AE59184-2021-12-31.xsd#grifis-add-on_CashFlowsFromIncreaseDecreaseOfOtherLiabilities" xlink:label="grifis-add-on_CashFlowsFromIncreaseDecreaseOfOtherLiabilities"/>
		<link:loc xlink:type="locator" xlink:href="8156005420362AE59184-2021-12-31.xsd#grifis-add-on_CashFlowsFromUsedInFinancialLiabilitiesClassifiedAsOperatingActivities" xlink:label="grifis-add-on_CashFlowsFromUsedInFinancialLiabilitiesClassifiedAsOperatingActivities4"/>
		<link:calculationArc order="2.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="grifis-add-on_CashFlowsFromUsedInFinancialLiabilitiesClassifiedAsOperatingActivities2" xlink:to="ifrs-full_AdjustmentsForIncreaseDecreaseInFinancialLiabilitiesHeldForTrading"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AdjustmentsForIncreaseDecreaseInFinancialLiabilitiesHeldForTrading" xlink:label="ifrs-full_AdjustmentsForIncreaseDecreaseInFinancialLiabilitiesHeldForTrading"/>
		<link:loc xlink:type="locator" xlink:href="8156005420362AE59184-2021-12-31.xsd#grifis-add-on_CashFlowsFromUsedInFinancialLiabilitiesClassifiedAsOperatingActivities" xlink:label="grifis-add-on_CashFlowsFromUsedInFinancialLiabilitiesClassifiedAsOperatingActivities2"/>
		<link:calculationArc order="1.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="grifis-add-on_CashFlowsFromUsedInFinancialLiabilitiesClassifiedAsOperatingActivities1" xlink:to="grifis-add-on_AdjustmentsForIncreaseDecreaseInFinancialLiabilitiesAtAmortisedCost"/>
		<link:loc xlink:type="locator" xlink:href="8156005420362AE59184-2021-12-31.xsd#grifis-add-on_AdjustmentsForIncreaseDecreaseInFinancialLiabilitiesAtAmortisedCost" xlink:label="grifis-add-on_AdjustmentsForIncreaseDecreaseInFinancialLiabilitiesAtAmortisedCost"/>
		<link:loc xlink:type="locator" xlink:href="8156005420362AE59184-2021-12-31.xsd#grifis-add-on_CashFlowsFromUsedInFinancialLiabilitiesClassifiedAsOperatingActivities" xlink:label="grifis-add-on_CashFlowsFromUsedInFinancialLiabilitiesClassifiedAsOperatingActivities1"/>
		<link:calculationArc order="6.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="grifis-add-on_CashFlowsFromUsedInFinancialAssetsClassifiedAsOperatingActivities6" xlink:to="grifis-add-on_LiquidityGeneratedAbsorbedByOtherAssets"/>
		<link:loc xlink:type="locator" xlink:href="8156005420362AE59184-2021-12-31.xsd#grifis-add-on_LiquidityGeneratedAbsorbedByOtherAssets" xlink:label="grifis-add-on_LiquidityGeneratedAbsorbedByOtherAssets"/>
		<link:loc xlink:type="locator" xlink:href="8156005420362AE59184-2021-12-31.xsd#grifis-add-on_CashFlowsFromUsedInFinancialAssetsClassifiedAsOperatingActivities" xlink:label="grifis-add-on_CashFlowsFromUsedInFinancialAssetsClassifiedAsOperatingActivities6"/>
		<link:calculationArc order="5.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="grifis-add-on_CashFlowsFromUsedInFinancialAssetsClassifiedAsOperatingActivities5" xlink:to="grifis-add-on_AdjustmentsForDecreaseIncreaseInFinancialAssetsAtAmortisedCost"/>
		<link:loc xlink:type="locator" xlink:href="8156005420362AE59184-2021-12-31.xsd#grifis-add-on_AdjustmentsForDecreaseIncreaseInFinancialAssetsAtAmortisedCost" xlink:label="grifis-add-on_AdjustmentsForDecreaseIncreaseInFinancialAssetsAtAmortisedCost"/>
		<link:loc xlink:type="locator" xlink:href="8156005420362AE59184-2021-12-31.xsd#grifis-add-on_CashFlowsFromUsedInFinancialAssetsClassifiedAsOperatingActivities" xlink:label="grifis-add-on_CashFlowsFromUsedInFinancialAssetsClassifiedAsOperatingActivities5"/>
		<link:calculationArc order="4.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="grifis-add-on_CashFlowsFromUsedInFinancialAssetsClassifiedAsOperatingActivities4" xlink:to="grifis-add-on_AdjustmentsForDecreaseIncreaseInFinancialAssetsAtFairValueThroughOtherComprehensiveIncome"/>
		<link:loc xlink:type="locator" xlink:href="8156005420362AE59184-2021-12-31.xsd#grifis-add-on_AdjustmentsForDecreaseIncreaseInFinancialAssetsAtFairValueThroughOtherComprehensiveIncome" xlink:label="grifis-add-on_AdjustmentsForDecreaseIncreaseInFinancialAssetsAtFairValueThroughOtherComprehensiveIncome"/>
		<link:loc xlink:type="locator" xlink:href="8156005420362AE59184-2021-12-31.xsd#grifis-add-on_CashFlowsFromUsedInFinancialAssetsClassifiedAsOperatingActivities" xlink:label="grifis-add-on_CashFlowsFromUsedInFinancialAssetsClassifiedAsOperatingActivities4"/>
		<link:calculationArc order="3.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="grifis-add-on_CashFlowsFromUsedInFinancialAssetsClassifiedAsOperatingActivities3" xlink:to="grifis-add-on_AdjustmentsForDecreaseIncreaseInOtherFinancialAssetsMandatorilyAtFairValue"/>
		<link:loc xlink:type="locator" xlink:href="8156005420362AE59184-2021-12-31.xsd#grifis-add-on_AdjustmentsForDecreaseIncreaseInOtherFinancialAssetsMandatorilyAtFairValue" xlink:label="grifis-add-on_AdjustmentsForDecreaseIncreaseInOtherFinancialAssetsMandatorilyAtFairValue"/>
		<link:loc xlink:type="locator" xlink:href="8156005420362AE59184-2021-12-31.xsd#grifis-add-on_CashFlowsFromUsedInFinancialAssetsClassifiedAsOperatingActivities" xlink:label="grifis-add-on_CashFlowsFromUsedInFinancialAssetsClassifiedAsOperatingActivities3"/>
		<link:calculationArc order="1.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="grifis-add-on_CashFlowsFromUsedInFinancialAssetsClassifiedAsOperatingActivities1" xlink:to="ifrs-full_AdjustmentsForDecreaseIncreaseInFinancialAssetsHeldForTrading"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AdjustmentsForDecreaseIncreaseInFinancialAssetsHeldForTrading" xlink:label="ifrs-full_AdjustmentsForDecreaseIncreaseInFinancialAssetsHeldForTrading"/>
		<link:loc xlink:type="locator" xlink:href="8156005420362AE59184-2021-12-31.xsd#grifis-add-on_CashFlowsFromUsedInFinancialAssetsClassifiedAsOperatingActivities" xlink:label="grifis-add-on_CashFlowsFromUsedInFinancialAssetsClassifiedAsOperatingActivities1"/>
		<link:calculationArc order="11.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_CashFlowsFromUsedInOperations11" xlink:to="ifrs-full_OtherAdjustmentsToReconcileProfitLoss"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_OtherAdjustmentsToReconcileProfitLoss" xlink:label="ifrs-full_OtherAdjustmentsToReconcileProfitLoss"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CashFlowsFromUsedInOperations" xlink:label="ifrs-full_CashFlowsFromUsedInOperations11"/>
		<link:calculationArc order="9.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_CashFlowsFromUsedInOperations9" xlink:to="grifis-add-on_UnpaidDutiesTaxesAndTaxCredits"/>
		<link:loc xlink:type="locator" xlink:href="8156005420362AE59184-2021-12-31.xsd#grifis-add-on_UnpaidDutiesTaxesAndTaxCredits" xlink:label="grifis-add-on_UnpaidDutiesTaxesAndTaxCredits"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CashFlowsFromUsedInOperations" xlink:label="ifrs-full_CashFlowsFromUsedInOperations9"/>
		<link:calculationArc order="6.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_CashFlowsFromUsedInOperations6" xlink:to="grifis-add-on_NetProvisionsForRisksAndChargesAndOtherExpensesIncome"/>
		<link:loc xlink:type="locator" xlink:href="8156005420362AE59184-2021-12-31.xsd#grifis-add-on_NetProvisionsForRisksAndChargesAndOtherExpensesIncome" xlink:label="grifis-add-on_NetProvisionsForRisksAndChargesAndOtherExpensesIncome"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CashFlowsFromUsedInOperations" xlink:label="ifrs-full_CashFlowsFromUsedInOperations6"/>
		<link:calculationArc order="5.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_CashFlowsFromUsedInOperations5" xlink:to="grifis-add-on_NetValueAdjustmentsWriteBacksOnTangibleAndIntangibleAssets"/>
		<link:loc xlink:type="locator" xlink:href="8156005420362AE59184-2021-12-31.xsd#grifis-add-on_NetValueAdjustmentsWriteBacksOnTangibleAndIntangibleAssets" xlink:label="grifis-add-on_NetValueAdjustmentsWriteBacksOnTangibleAndIntangibleAssets"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CashFlowsFromUsedInOperations" xlink:label="ifrs-full_CashFlowsFromUsedInOperations5"/>
		<link:calculationArc order="4.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_CashFlowsFromUsedInOperations4" xlink:to="grifis-add-on_NetLossesRecoveriesOnCreditImpairment"/>
		<link:loc xlink:type="locator" xlink:href="8156005420362AE59184-2021-12-31.xsd#grifis-add-on_NetLossesRecoveriesOnCreditImpairment" xlink:label="grifis-add-on_NetLossesRecoveriesOnCreditImpairment"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CashFlowsFromUsedInOperations" xlink:label="ifrs-full_CashFlowsFromUsedInOperations4"/>
		<link:calculationArc order="2.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_CashFlowsFromUsedInOperations2" xlink:to="grifis-add-on_GainLossOnFinancialAssetsHeldForTradingAndOnOtherFinancialAssetsLiabilitiesAtFairValueThroughProfitOrLoss"/>
		<link:loc xlink:type="locator" xlink:href="8156005420362AE59184-2021-12-31.xsd#grifis-add-on_GainLossOnFinancialAssetsHeldForTradingAndOnOtherFinancialAssetsLiabilitiesAtFairValueThroughProfitOrLoss" xlink:label="grifis-add-on_GainLossOnFinancialAssetsHeldForTradingAndOnOtherFinancialAssetsLiabilitiesAtFairValueThroughProfitOrLoss"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CashFlowsFromUsedInOperations" xlink:label="ifrs-full_CashFlowsFromUsedInOperations2"/>
		<link:calculationArc order="1.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_CashFlowsFromUsedInOperations1" xlink:to="ifrs-full_ProfitLoss"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ProfitLoss" xlink:label="ifrs-full_ProfitLoss"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CashFlowsFromUsedInOperations" xlink:label="ifrs-full_CashFlowsFromUsedInOperations1"/>
		<link:calculationArc order="3.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_CashFlowsFromUsedInOperatingActivities3" xlink:to="grifis-add-on_CashFlowsFromUsedInFinancialLiabilitiesClassifiedAsOperatingActivities"/>
		<link:loc xlink:type="locator" xlink:href="8156005420362AE59184-2021-12-31.xsd#grifis-add-on_CashFlowsFromUsedInFinancialLiabilitiesClassifiedAsOperatingActivities" xlink:label="grifis-add-on_CashFlowsFromUsedInFinancialLiabilitiesClassifiedAsOperatingActivities"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:label="ifrs-full_CashFlowsFromUsedInOperatingActivities3"/>
		<link:calculationArc order="2.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_CashFlowsFromUsedInOperatingActivities2" xlink:to="grifis-add-on_CashFlowsFromUsedInFinancialAssetsClassifiedAsOperatingActivities"/>
		<link:loc xlink:type="locator" xlink:href="8156005420362AE59184-2021-12-31.xsd#grifis-add-on_CashFlowsFromUsedInFinancialAssetsClassifiedAsOperatingActivities" xlink:label="grifis-add-on_CashFlowsFromUsedInFinancialAssetsClassifiedAsOperatingActivities"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:label="ifrs-full_CashFlowsFromUsedInOperatingActivities2"/>
		<link:calculationArc order="1.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_CashFlowsFromUsedInOperatingActivities1" xlink:to="ifrs-full_CashFlowsFromUsedInOperations"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CashFlowsFromUsedInOperations" xlink:label="ifrs-full_CashFlowsFromUsedInOperations"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:label="ifrs-full_CashFlowsFromUsedInOperatingActivities1"/>
		<link:calculationArc order="3.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges3" xlink:to="ifrs-full_CashFlowsFromUsedInFinancingActivities"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:label="ifrs-full_CashFlowsFromUsedInFinancingActivities"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges" xlink:label="ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges3"/>
		<link:calculationArc order="2.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges2" xlink:to="ifrs-full_CashFlowsFromUsedInInvestingActivities"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:label="ifrs-full_CashFlowsFromUsedInInvestingActivities"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges" xlink:label="ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges2"/>
		<link:calculationArc order="1.0" weight="1.0" xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges1" xlink:to="ifrs-full_CashFlowsFromUsedInOperatingActivities"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:label="ifrs-full_CashFlowsFromUsedInOperatingActivities"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges" xlink:label="ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges1"/>
		<link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges" xlink:label="ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges"/>
	</link:calculationLink>
</link:linkbase>
