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  <xs:element id="stt_InterestIncomeNetMember" abstract="true" name="InterestIncomeNetMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="stt_TotalOtherIncomeMember" abstract="true" name="TotalOtherIncomeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="stt_ServiceFeesPercent" abstract="false" name="ServiceFeesPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="stt_ManagementFeesPercent" abstract="false" name="ManagementFeesPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="stt_A4.701FixedToFloatingRateSeniorNotesMember" abstract="true" name="A4.701FixedToFloatingRateSeniorNotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="stt_A5.217FixedToFloatingRateSeniorNotesMember" abstract="true" name="A5.217FixedToFloatingRateSeniorNotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
</xs:schema>
