<?xml version="1.0" encoding="utf-8"?>
<!--Generated by DataTracks Rainbow version 3.5 on 12-March-2026 [08:29:10] {AM}-->
<linkbase xmlns="http://www.xbrl.org/2003/linkbase" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xlink="http://www.w3.org/1999/xlink" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
<arcroleRef arcroleURI="https://xbrl.org/2023/arcrole/summation-item" xlink:type="simple" xlink:href="https://www.xbrl.org/2023/calculation-1.1.xsd#summation-item" />
<roleRef xlink:type="simple" xlink:href="21380071539WSMTM4410-2025-12-31.xsd#ConsolidatedStatementOfProfitAndLoss" roleURI="http://www.shawbrook.co.uk/role/ConsolidatedStatementOfProfitAndLoss" />
<roleRef xlink:type="simple" xlink:href="21380071539WSMTM4410-2025-12-31.xsd#ConsolidatedStatementOfComprehensiveIncome" roleURI="http://www.shawbrook.co.uk/role/ConsolidatedStatementOfComprehensiveIncome" />
<roleRef xlink:type="simple" xlink:href="21380071539WSMTM4410-2025-12-31.xsd#ConsolidatedStatementOfFinancialPosition" roleURI="http://www.shawbrook.co.uk/role/ConsolidatedStatementOfFinancialPosition" />
<roleRef xlink:type="simple" xlink:href="21380071539WSMTM4410-2025-12-31.xsd#ConsolidatedStatementOfChangesInEquity" roleURI="http://www.shawbrook.co.uk/role/ConsolidatedStatementOfChangesInEquity" />
<roleRef xlink:type="simple" xlink:href="21380071539WSMTM4410-2025-12-31.xsd#ConsolidatedAndCompanyStatementOfCashFlows" roleURI="http://www.shawbrook.co.uk/role/ConsolidatedAndCompanyStatementOfCashFlows" />
<roleRef xlink:type="simple" xlink:href="21380071539WSMTM4410-2025-12-31.xsd#ConsolidatedStatementOfComprehensiveIncomeAlternate1" roleURI="http://www.shawbrook.co.uk/role/ConsolidatedStatementOfComprehensiveIncomeAlternate1" />
<calculationLink xlink:type="extended" xlink:role="http://www.shawbrook.co.uk/role/ConsolidatedStatementOfComprehensiveIncome">
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ComprehensiveIncome" xlink:label="loc_ifrs-full_ComprehensiveIncome" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherComprehensiveIncome" xlink:label="loc_ifrs-full_OtherComprehensiveIncome" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_ComprehensiveIncome" xlink:to="loc_ifrs-full_OtherComprehensiveIncome" use="optional" order="1" weight="1" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax" xlink:label="loc_ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_OtherComprehensiveIncome" xlink:to="loc_ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax" use="optional" order="2" weight="1" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherComprehensiveIncomeNetOfTaxCashFlowHedges" xlink:label="loc_ifrs-full_OtherComprehensiveIncomeNetOfTaxCashFlowHedges" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax" xlink:to="loc_ifrs-full_OtherComprehensiveIncomeNetOfTaxCashFlowHedges" use="optional" order="3" weight="1" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_GainsLossesOnCashFlowHedgesBeforeTax" xlink:label="loc_ifrs-full_GainsLossesOnCashFlowHedgesBeforeTax" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_OtherComprehensiveIncomeNetOfTaxCashFlowHedges" xlink:to="loc_ifrs-full_GainsLossesOnCashFlowHedgesBeforeTax" use="optional" order="4" weight="1" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ReclassificationAdjustmentsOnCashFlowHedgesBeforeTax" xlink:label="loc_ifrs-full_ReclassificationAdjustmentsOnCashFlowHedgesBeforeTax" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_OtherComprehensiveIncomeNetOfTaxCashFlowHedges" xlink:to="loc_ifrs-full_ReclassificationAdjustmentsOnCashFlowHedgesBeforeTax" use="optional" order="5" weight="-1" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncomeTaxRelatingToCashFlowHedgesOfOtherComprehensiveIncome" xlink:label="loc_ifrs-full_IncomeTaxRelatingToCashFlowHedgesOfOtherComprehensiveIncome" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_OtherComprehensiveIncomeNetOfTaxCashFlowHedges" xlink:to="loc_ifrs-full_IncomeTaxRelatingToCashFlowHedgesOfOtherComprehensiveIncome" use="optional" order="6" weight="-1" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherComprehensiveIncomeNetOfTaxFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome" xlink:label="loc_ifrs-full_OtherComprehensiveIncomeNetOfTaxFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax" xlink:to="loc_ifrs-full_OtherComprehensiveIncomeNetOfTaxFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome" use="optional" order="7" weight="1" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_GainsLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeBeforeTax" xlink:label="loc_ifrs-full_GainsLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeBeforeTax" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_OtherComprehensiveIncomeNetOfTaxFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome" xlink:to="loc_ifrs-full_GainsLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeBeforeTax" use="optional" order="8" weight="1" />
<loc xlink:type="locator" xlink:href="21380071539WSMTM4410-2025-12-31.xsd#shaw_ChangeInLossAllowance" xlink:label="loc_SHAW_ChangeInLossAllowance" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_OtherComprehensiveIncomeNetOfTaxFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome" xlink:to="loc_SHAW_ChangeInLossAllowance" use="optional" order="9" weight="1" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncomeTaxRelatingToFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome" xlink:label="loc_ifrs-full_IncomeTaxRelatingToFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_OtherComprehensiveIncomeNetOfTaxFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome" xlink:to="loc_ifrs-full_IncomeTaxRelatingToFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome" use="optional" order="10" weight="-1" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProfitLoss" xlink:label="loc_ifrs-full_ProfitLoss" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_ComprehensiveIncome" xlink:to="loc_ifrs-full_ProfitLoss" use="optional" order="11" weight="1" />
</calculationLink>
<calculationLink xlink:type="extended" xlink:role="http://www.shawbrook.co.uk/role/ConsolidatedStatementOfComprehensiveIncomeAlternate1">
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ComprehensiveIncome" xlink:label="loc_ifrs-full_ComprehensiveIncome" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent" xlink:label="loc_ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_ComprehensiveIncome" xlink:to="loc_ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent" use="optional" order="12" weight="1" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests" xlink:label="loc_ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_ComprehensiveIncome" xlink:to="loc_ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests" use="optional" order="13" weight="1" />
</calculationLink>
<calculationLink xlink:type="extended" xlink:role="http://www.shawbrook.co.uk/role/ConsolidatedStatementOfProfitAndLoss">
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProfitLoss" xlink:label="loc_ifrs-full_ProfitLoss" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProfitLossBeforeTax" xlink:label="loc_ifrs-full_ProfitLossBeforeTax" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_ProfitLoss" xlink:to="loc_ifrs-full_ProfitLossBeforeTax" use="optional" order="1" weight="1" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OperatingExpense" xlink:label="loc_ifrs-full_OperatingExpense" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_ProfitLossBeforeTax" xlink:to="loc_ifrs-full_OperatingExpense" use="optional" order="2" weight="-1" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AdministrativeExpense" xlink:label="loc_ifrs-full_AdministrativeExpense" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_OperatingExpense" xlink:to="loc_ifrs-full_AdministrativeExpense" use="optional" order="3" weight="1" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ImpairmentLossOnFinancialAssets" xlink:label="loc_ifrs-full_ImpairmentLossOnFinancialAssets" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_OperatingExpense" xlink:to="loc_ifrs-full_ImpairmentLossOnFinancialAssets" use="optional" order="4" weight="1" />
<loc xlink:type="locator" xlink:href="21380071539WSMTM4410-2025-12-31.xsd#shaw_Provision" xlink:label="loc_SHAW_Provision" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_OperatingExpense" xlink:to="loc_SHAW_Provision" use="optional" order="5" weight="1" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_MiscellaneousOtherOperatingIncome" xlink:label="loc_ifrs-full_MiscellaneousOtherOperatingIncome" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_ProfitLossBeforeTax" xlink:to="loc_ifrs-full_MiscellaneousOtherOperatingIncome" use="optional" order="6" weight="1" />
<loc xlink:type="locator" xlink:href="21380071539WSMTM4410-2025-12-31.xsd#shaw_NetOperatingLeaseIncome" xlink:label="loc_SHAW_NetOperatingLeaseIncome" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_MiscellaneousOtherOperatingIncome" xlink:to="loc_SHAW_NetOperatingLeaseIncome" use="optional" order="7" weight="1" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OperatingLeaseIncome" xlink:label="loc_ifrs-full_OperatingLeaseIncome" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_SHAW_NetOperatingLeaseIncome" xlink:to="loc_ifrs-full_OperatingLeaseIncome" use="optional" order="8" weight="1" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DepreciationExpense" xlink:label="loc_ifrs-full_DepreciationExpense" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_SHAW_NetOperatingLeaseIncome" xlink:to="loc_ifrs-full_DepreciationExpense" use="optional" order="9" weight="-1" />
<loc xlink:type="locator" xlink:href="21380071539WSMTM4410-2025-12-31.xsd#shaw_NetOtherOperatingLeaseIncome" xlink:label="loc_SHAW_NetOtherOperatingLeaseIncome" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_SHAW_NetOperatingLeaseIncome" xlink:to="loc_SHAW_NetOtherOperatingLeaseIncome" use="optional" order="10" weight="1" />
<loc xlink:type="locator" xlink:href="21380071539WSMTM4410-2025-12-31.xsd#shaw_NetGainsOnStructuredAssetSales" xlink:label="loc_SHAW_NetGainsOnStructuredAssetSales" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_MiscellaneousOtherOperatingIncome" xlink:to="loc_SHAW_NetGainsOnStructuredAssetSales" use="optional" order="11" weight="1" />
<loc xlink:type="locator" xlink:href="21380071539WSMTM4410-2025-12-31.xsd#shaw_NetGainsOnDerivativeFinancialInstrumentsAndHedgeAccounting" xlink:label="loc_SHAW_NetGainsOnDerivativeFinancialInstrumentsAndHedgeAccounting" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_MiscellaneousOtherOperatingIncome" xlink:to="loc_SHAW_NetGainsOnDerivativeFinancialInstrumentsAndHedgeAccounting" use="optional" order="12" weight="1" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherOperatingIncomeExpense" xlink:label="loc_ifrs-full_OtherOperatingIncomeExpense" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_MiscellaneousOtherOperatingIncome" xlink:to="loc_ifrs-full_OtherOperatingIncomeExpense" use="optional" order="13" weight="1" />
<loc xlink:type="locator" xlink:href="21380071539WSMTM4410-2025-12-31.xsd#shaw_NetGainsOnLoansAndAdvancesMeasuredAtFvtpl" xlink:label="loc_SHAW_NetGainsOnLoansAndAdvancesMeasuredAtFvtpl" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_MiscellaneousOtherOperatingIncome" xlink:to="loc_SHAW_NetGainsOnLoansAndAdvancesMeasuredAtFvtpl" use="optional" order="14" weight="-1" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_InterestRevenueExpense" xlink:label="loc_ifrs-full_InterestRevenueExpense" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_MiscellaneousOtherOperatingIncome" xlink:to="loc_ifrs-full_InterestRevenueExpense" use="optional" order="15" weight="1" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_InterestIncomeOnDeposits" xlink:label="loc_ifrs-full_InterestIncomeOnDeposits" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_InterestRevenueExpense" xlink:to="loc_ifrs-full_InterestIncomeOnDeposits" use="optional" order="16" weight="1" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_InterestExpenseOnBankLoansAndOverdrafts" xlink:label="loc_ifrs-full_InterestExpenseOnBankLoansAndOverdrafts" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_InterestRevenueExpense" xlink:to="loc_ifrs-full_InterestExpenseOnBankLoansAndOverdrafts" use="optional" order="17" weight="-1" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_InterestRevenueCalculatedUsingEffectiveInterestMethod" xlink:label="loc_ifrs-full_InterestRevenueCalculatedUsingEffectiveInterestMethod" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_InterestRevenueExpense" xlink:to="loc_ifrs-full_InterestRevenueCalculatedUsingEffectiveInterestMethod" use="optional" order="18" weight="1" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FeeAndCommissionIncomeExpense" xlink:label="loc_ifrs-full_FeeAndCommissionIncomeExpense" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_MiscellaneousOtherOperatingIncome" xlink:to="loc_ifrs-full_FeeAndCommissionIncomeExpense" use="optional" order="19" weight="1" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FeeAndCommissionIncome" xlink:label="loc_ifrs-full_FeeAndCommissionIncome" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_FeeAndCommissionIncomeExpense" xlink:to="loc_ifrs-full_FeeAndCommissionIncome" use="optional" order="20" weight="1" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FeeAndCommissionExpense" xlink:label="loc_ifrs-full_FeeAndCommissionExpense" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_FeeAndCommissionIncomeExpense" xlink:to="loc_ifrs-full_FeeAndCommissionExpense" use="optional" order="21" weight="-1" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:label="loc_ifrs-full_IncomeTaxExpenseContinuingOperations" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_ProfitLoss" xlink:to="loc_ifrs-full_IncomeTaxExpenseContinuingOperations" use="optional" order="22" weight="-1" />
</calculationLink>
<calculationLink xlink:type="extended" xlink:role="http://www.shawbrook.co.uk/role/ConsolidatedStatementOfFinancialPosition">
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_Assets" xlink:label="loc_ifrs-full_Assets" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashAndBankBalancesAtCentralBanks" xlink:label="loc_ifrs-full_CashAndBankBalancesAtCentralBanks" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_Assets" xlink:to="loc_ifrs-full_CashAndBankBalancesAtCentralBanks" use="optional" order="1" weight="1" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LoansAndAdvancesToBanks" xlink:label="loc_ifrs-full_LoansAndAdvancesToBanks" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_Assets" xlink:to="loc_ifrs-full_LoansAndAdvancesToBanks" use="optional" order="2" weight="1" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LoansAndAdvancesToCustomers" xlink:label="loc_ifrs-full_LoansAndAdvancesToCustomers" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_Assets" xlink:to="loc_ifrs-full_LoansAndAdvancesToCustomers" use="optional" order="3" weight="1" />
<loc xlink:type="locator" xlink:href="21380071539WSMTM4410-2025-12-31.xsd#shaw_InvestmentSecurities" xlink:label="loc_SHAW_InvestmentSecurities" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_Assets" xlink:to="loc_SHAW_InvestmentSecurities" use="optional" order="4" weight="1" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DerivativeFinancialAssets" xlink:label="loc_ifrs-full_DerivativeFinancialAssets" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_Assets" xlink:to="loc_ifrs-full_DerivativeFinancialAssets" use="optional" order="5" weight="1" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentTaxAssetsCurrent" xlink:label="loc_ifrs-full_CurrentTaxAssetsCurrent" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_Assets" xlink:to="loc_ifrs-full_CurrentTaxAssetsCurrent" use="optional" order="6" weight="1" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_PropertyPlantAndEquipment" xlink:label="loc_ifrs-full_PropertyPlantAndEquipment" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_Assets" xlink:to="loc_ifrs-full_PropertyPlantAndEquipment" use="optional" order="7" weight="1" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IntangibleAssetsAndGoodwill" xlink:label="loc_ifrs-full_IntangibleAssetsAndGoodwill" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_Assets" xlink:to="loc_ifrs-full_IntangibleAssetsAndGoodwill" use="optional" order="8" weight="1" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DeferredTaxAssets" xlink:label="loc_ifrs-full_DeferredTaxAssets" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_Assets" xlink:to="loc_ifrs-full_DeferredTaxAssets" use="optional" order="9" weight="1" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherAssets" xlink:label="loc_ifrs-full_OtherAssets" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_Assets" xlink:to="loc_ifrs-full_OtherAssets" use="optional" order="10" weight="1" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_InvestmentAccountedForUsingEquityMethod" xlink:label="loc_ifrs-full_InvestmentAccountedForUsingEquityMethod" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_Assets" xlink:to="loc_ifrs-full_InvestmentAccountedForUsingEquityMethod" use="optional" order="11" weight="1" />
</calculationLink>
<calculationLink xlink:type="extended" xlink:role="http://www.shawbrook.co.uk/role/ConsolidatedStatementOfFinancialPosition">
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_EquityAndLiabilities" xlink:label="loc_ifrs-full_EquityAndLiabilities" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_Liabilities" xlink:label="loc_ifrs-full_Liabilities" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_EquityAndLiabilities" xlink:to="loc_ifrs-full_Liabilities" use="optional" order="12" weight="1" />
<loc xlink:type="locator" xlink:href="21380071539WSMTM4410-2025-12-31.xsd#shaw_AmountsDueToBanks" xlink:label="loc_SHAW_AmountsDueToBanks" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_Liabilities" xlink:to="loc_SHAW_AmountsDueToBanks" use="optional" order="13" weight="1" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DepositsFromCustomers" xlink:label="loc_ifrs-full_DepositsFromCustomers" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_Liabilities" xlink:to="loc_ifrs-full_DepositsFromCustomers" use="optional" order="14" weight="1" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_Provisions" xlink:label="loc_ifrs-full_Provisions" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_Liabilities" xlink:to="loc_ifrs-full_Provisions" use="optional" order="15" weight="1" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DerivativeFinancialLiabilities" xlink:label="loc_ifrs-full_DerivativeFinancialLiabilities" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_Liabilities" xlink:to="loc_ifrs-full_DerivativeFinancialLiabilities" use="optional" order="16" weight="1" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DebtSecurities" xlink:label="loc_ifrs-full_DebtSecurities" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_Liabilities" xlink:to="loc_ifrs-full_DebtSecurities" use="optional" order="17" weight="1" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherLiabilities" xlink:label="loc_ifrs-full_OtherLiabilities" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_Liabilities" xlink:to="loc_ifrs-full_OtherLiabilities" use="optional" order="18" weight="1" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LeaseLiabilities" xlink:label="loc_ifrs-full_LeaseLiabilities" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_Liabilities" xlink:to="loc_ifrs-full_LeaseLiabilities" use="optional" order="19" weight="1" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_SubordinatedLiabilities" xlink:label="loc_ifrs-full_SubordinatedLiabilities" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_Liabilities" xlink:to="loc_ifrs-full_SubordinatedLiabilities" use="optional" order="20" weight="1" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_Equity" xlink:label="loc_ifrs-full_Equity" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_EquityAndLiabilities" xlink:to="loc_ifrs-full_Equity" use="optional" order="21" weight="1" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IssuedCapital" xlink:label="loc_ifrs-full_IssuedCapital" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_Equity" xlink:to="loc_ifrs-full_IssuedCapital" use="optional" order="22" weight="1" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_SharePremium" xlink:label="loc_ifrs-full_SharePremium" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_Equity" xlink:to="loc_ifrs-full_SharePremium" use="optional" order="23" weight="1" />
<loc xlink:type="locator" xlink:href="21380071539WSMTM4410-2025-12-31.xsd#shaw_CapitalSecurities" xlink:label="loc_SHAW_CapitalSecurities" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_Equity" xlink:to="loc_SHAW_CapitalSecurities" use="optional" order="24" weight="1" />
<loc xlink:type="locator" xlink:href="21380071539WSMTM4410-2025-12-31.xsd#shaw_CapitalContributionReserve" xlink:label="loc_SHAW_CapitalContributionReserve" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_Equity" xlink:to="loc_SHAW_CapitalContributionReserve" use="optional" order="25" weight="1" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ReserveOfCashFlowHedges" xlink:label="loc_ifrs-full_ReserveOfCashFlowHedges" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_Equity" xlink:to="loc_ifrs-full_ReserveOfCashFlowHedges" use="optional" order="26" weight="1" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ReserveOfGainsAndLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome" xlink:label="loc_ifrs-full_ReserveOfGainsAndLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_Equity" xlink:to="loc_ifrs-full_ReserveOfGainsAndLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome" use="optional" order="27" weight="1" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_RetainedEarnings" xlink:label="loc_ifrs-full_RetainedEarnings" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_Equity" xlink:to="loc_ifrs-full_RetainedEarnings" use="optional" order="28" weight="1" />
</calculationLink>
<calculationLink xlink:type="extended" xlink:role="http://www.shawbrook.co.uk/role/ConsolidatedStatementOfChangesInEquity">
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ComprehensiveIncome" xlink:label="loc_ifrs-full_ComprehensiveIncome" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProfitLoss" xlink:label="loc_ifrs-full_ProfitLoss" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_ComprehensiveIncome" xlink:to="loc_ifrs-full_ProfitLoss" use="optional" order="1" weight="1" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_GainsLossesOnCashFlowHedgesNetOfTax" xlink:label="loc_ifrs-full_GainsLossesOnCashFlowHedgesNetOfTax" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_ComprehensiveIncome" xlink:to="loc_ifrs-full_GainsLossesOnCashFlowHedgesNetOfTax" use="optional" order="2" weight="1" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherComprehensiveIncomeNetOfTaxFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome" xlink:label="loc_ifrs-full_OtherComprehensiveIncomeNetOfTaxFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_ComprehensiveIncome" xlink:to="loc_ifrs-full_OtherComprehensiveIncomeNetOfTaxFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome" use="optional" order="3" weight="1" />
</calculationLink>
<calculationLink xlink:type="extended" xlink:role="http://www.shawbrook.co.uk/role/ConsolidatedAndCompanyStatementOfCashFlows">
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:label="loc_ifrs-full_CashFlowsFromUsedInFinancingActivities" />
<loc xlink:type="locator" xlink:href="21380071539WSMTM4410-2025-12-31.xsd#shaw_IncreaseDecreaseInAmountsDueToBanksClassifiedAsFinancingActivities" xlink:label="loc_SHAW_IncreaseDecreaseInAmountsDueToBanksClassifiedAsFinancingActivities" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="loc_SHAW_IncreaseDecreaseInAmountsDueToBanksClassifiedAsFinancingActivities" use="optional" order="1" weight="1" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AdjustmentsForIncreaseDecreaseInDebtInstrumentsIssued" xlink:label="loc_ifrs-full_AdjustmentsForIncreaseDecreaseInDebtInstrumentsIssued" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="loc_ifrs-full_AdjustmentsForIncreaseDecreaseInDebtInstrumentsIssued" use="optional" order="2" weight="1" />
<loc xlink:type="locator" xlink:href="21380071539WSMTM4410-2025-12-31.xsd#shaw_RepurchaseAndRedemptionOfDebtSecuritiesClassifiedAsFinancingActivities" xlink:label="loc_SHAW_RepurchaseAndRedemptionOfDebtSecuritiesClassifiedAsFinancingActivities" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="loc_SHAW_RepurchaseAndRedemptionOfDebtSecuritiesClassifiedAsFinancingActivities" use="optional" order="3" weight="-1" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_PaymentsForDebtIssueCosts" xlink:label="loc_ifrs-full_PaymentsForDebtIssueCosts" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="loc_ifrs-full_PaymentsForDebtIssueCosts" use="optional" order="4" weight="-1" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xlink:label="loc_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="loc_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" use="optional" order="5" weight="-1" />
<loc xlink:type="locator" xlink:href="21380071539WSMTM4410-2025-12-31.xsd#shaw_IssueOfSubordinatedDebtClassifiedAsFinancingActivities" xlink:label="loc_SHAW_IssueOfSubordinatedDebtClassifiedAsFinancingActivities" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="loc_SHAW_IssueOfSubordinatedDebtClassifiedAsFinancingActivities" use="optional" order="6" weight="1" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProceedsFromIssuingShares" xlink:label="loc_ifrs-full_ProceedsFromIssuingShares" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="loc_ifrs-full_ProceedsFromIssuingShares" use="optional" order="7" weight="1" />
<loc xlink:type="locator" xlink:href="21380071539WSMTM4410-2025-12-31.xsd#shaw_RedemptionOfSubordinatedDebtClassifiedAsFinancingActivities" xlink:label="loc_SHAW_RedemptionOfSubordinatedDebtClassifiedAsFinancingActivities" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="loc_SHAW_RedemptionOfSubordinatedDebtClassifiedAsFinancingActivities" use="optional" order="8" weight="-1" />
<loc xlink:type="locator" xlink:href="21380071539WSMTM4410-2025-12-31.xsd#shaw_CostsArisingOnIssueOfSubordinatedDebtClassifiedAsFinancingActivities" xlink:label="loc_SHAW_CostsArisingOnIssueOfSubordinatedDebtClassifiedAsFinancingActivities" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="loc_SHAW_CostsArisingOnIssueOfSubordinatedDebtClassifiedAsFinancingActivities" use="optional" order="9" weight="-1" />
<loc xlink:type="locator" xlink:href="21380071539WSMTM4410-2025-12-31.xsd#shaw_CapitalContributionClassifiedAsFinancingActivities" xlink:label="loc_SHAW_CapitalContributionClassifiedAsFinancingActivities" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="loc_SHAW_CapitalContributionClassifiedAsFinancingActivities" use="optional" order="10" weight="1" />
<loc xlink:type="locator" xlink:href="21380071539WSMTM4410-2025-12-31.xsd#shaw_CouponPaidToHoldersOfCapitalSecuritiesClassifiedAsFinancingActivities" xlink:label="loc_SHAW_CouponPaidToHoldersOfCapitalSecuritiesClassifiedAsFinancingActivities" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="loc_SHAW_CouponPaidToHoldersOfCapitalSecuritiesClassifiedAsFinancingActivities" use="optional" order="11" weight="-1" />
</calculationLink>
<calculationLink xlink:type="extended" xlink:role="http://www.shawbrook.co.uk/role/ConsolidatedAndCompanyStatementOfCashFlows">
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:label="loc_ifrs-full_CashFlowsFromUsedInInvestingActivities" />
<loc xlink:type="locator" xlink:href="21380071539WSMTM4410-2025-12-31.xsd#shaw_PurchaseOfInvestmentSecuritiesClassifiedAsInvestingActivities" xlink:label="loc_SHAW_PurchaseOfInvestmentSecuritiesClassifiedAsInvestingActivities" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:to="loc_SHAW_PurchaseOfInvestmentSecuritiesClassifiedAsInvestingActivities" use="optional" order="12" weight="-1" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" xlink:label="loc_ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:to="loc_ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" use="optional" order="13" weight="-1" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities" xlink:label="loc_ifrs-full_PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:to="loc_ifrs-full_PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities" use="optional" order="14" weight="-1" />
<loc xlink:type="locator" xlink:href="21380071539WSMTM4410-2025-12-31.xsd#shaw_RedemptionOfSubordinatedDebtReceivableClassifiedAsInvestingActivities" xlink:label="loc_SHAW_RedemptionOfSubordinatedDebtReceivableClassifiedAsInvestingActivities" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:to="loc_SHAW_RedemptionOfSubordinatedDebtReceivableClassifiedAsInvestingActivities" use="optional" order="15" weight="1" />
<loc xlink:type="locator" xlink:href="21380071539WSMTM4410-2025-12-31.xsd#shaw_PurchaseOfSubordinatedDebtClassifiedAsInvestingActivities" xlink:label="loc_SHAW_PurchaseOfSubordinatedDebtClassifiedAsInvestingActivities" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:to="loc_SHAW_PurchaseOfSubordinatedDebtClassifiedAsInvestingActivities" use="optional" order="16" weight="-1" />
<loc xlink:type="locator" xlink:href="21380071539WSMTM4410-2025-12-31.xsd#shaw_InvestmentInRightOfUseAssetClassifiedAsInvestingActivities" xlink:label="loc_SHAW_InvestmentInRightOfUseAssetClassifiedAsInvestingActivities" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:to="loc_SHAW_InvestmentInRightOfUseAssetClassifiedAsInvestingActivities" use="optional" order="17" weight="1" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" xlink:label="loc_ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:to="loc_ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" use="optional" order="18" weight="-1" />
<loc xlink:type="locator" xlink:href="21380071539WSMTM4410-2025-12-31.xsd#shaw_DisposalsAndMaturitiesOfInvestmentSecuritiesClassifiedAsInvestingActivities" xlink:label="loc_SHAW_DisposalsAndMaturitiesOfInvestmentSecuritiesClassifiedAsInvestingActivities" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:to="loc_SHAW_DisposalsAndMaturitiesOfInvestmentSecuritiesClassifiedAsInvestingActivities" use="optional" order="19" weight="1" />
<loc xlink:type="locator" xlink:href="21380071539WSMTM4410-2025-12-31.xsd#shaw_OtherMovementsInIntangibleAssets" xlink:label="loc_SHAW_OtherMovementsInIntangibleAssets" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:to="loc_SHAW_OtherMovementsInIntangibleAssets" use="optional" order="20" weight="1" />
</calculationLink>
<calculationLink xlink:type="extended" xlink:role="http://www.shawbrook.co.uk/role/ConsolidatedAndCompanyStatementOfCashFlows">
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:label="loc_ifrs-full_CashFlowsFromUsedInOperatingActivities" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProfitLossBeforeTax" xlink:label="loc_ifrs-full_ProfitLossBeforeTax" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:to="loc_ifrs-full_ProfitLossBeforeTax" use="optional" order="21" weight="1" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherAdjustmentsForNoncashItems" xlink:label="loc_ifrs-full_OtherAdjustmentsForNoncashItems" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:to="loc_ifrs-full_OtherAdjustmentsForNoncashItems" use="optional" order="22" weight="1" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AdjustmentsForDecreaseIncreaseInOtherAssets" xlink:label="loc_ifrs-full_AdjustmentsForDecreaseIncreaseInOtherAssets" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:to="loc_ifrs-full_AdjustmentsForDecreaseIncreaseInOtherAssets" use="optional" order="23" weight="1" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AdjustmentsForIncreaseDecreaseInOtherLiabilities" xlink:label="loc_ifrs-full_AdjustmentsForIncreaseDecreaseInOtherLiabilities" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:to="loc_ifrs-full_AdjustmentsForIncreaseDecreaseInOtherLiabilities" use="optional" order="24" weight="1" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities" xlink:label="loc_ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities" />
<calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:to="loc_ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities" use="optional" order="25" weight="-1" />
</calculationLink>
</linkbase>