<?xml version="1.0" encoding="utf-8"?>
<!--XBRL document created with Toppan Merrill Bridge  10.5.0.8 -->
<!--Based on XBRL 2.1-->
<!--Created on: 1/24/2024 8:37:45 PM-->
<!--Modified on: 1/24/2024 8:37:45 PM-->
<link:linkbase xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xbrli="http://www.xbrl.org/2003/instance">
  <roleRef xlink:type="simple" xlink:href="tmb-20240124.xsd#DocumentDocumentAndEntityInformation" roleURI="http://www.OldSecondBancorp.com/role/DocumentDocumentAndEntityInformation" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/cef/2023/cef-2023.xsd#N2" roleURI="http://xbrl.sec.gov/cef/role/N2" xmlns="http://www.xbrl.org/2003/linkbase" />
  <presentationLink xlink:role="http://www.OldSecondBancorp.com/role/DocumentDocumentAndEntityInformation" xlink:type="extended" xlink:title="00090 - Document - Document and Entity Information" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="tmb-20240124.xsd#osbc_DocumentAndEntityInformationAbstract" xlink:label="osbc_DocumentAndEntityInformationAbstract" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_DocumentType" xlink:label="dei_DocumentType_638417254651006984" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="osbc_DocumentAndEntityInformationAbstract" xlink:to="dei_DocumentType_638417254651006984" order="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_DocumentPeriodEndDate" xlink:label="dei_DocumentPeriodEndDate_638417254651006984" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="osbc_DocumentAndEntityInformationAbstract" xlink:to="dei_DocumentPeriodEndDate_638417254651006984" order="2" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityRegistrantName" xlink:label="dei_EntityRegistrantName_638417254651017703" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="osbc_DocumentAndEntityInformationAbstract" xlink:to="dei_EntityRegistrantName_638417254651017703" order="3" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityIncorporationStateCountryCode" xlink:label="dei_EntityIncorporationStateCountryCode_638417254651017703" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="osbc_DocumentAndEntityInformationAbstract" xlink:to="dei_EntityIncorporationStateCountryCode_638417254651017703" order="4" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityFileNumber" xlink:label="dei_EntityFileNumber_638417254651017703" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="osbc_DocumentAndEntityInformationAbstract" xlink:to="dei_EntityFileNumber_638417254651017703" order="5" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityTaxIdentificationNumber" xlink:label="dei_EntityTaxIdentificationNumber_638417254651017703" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="osbc_DocumentAndEntityInformationAbstract" xlink:to="dei_EntityTaxIdentificationNumber_638417254651017703" order="6" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityAddressAddressLine1" xlink:label="dei_EntityAddressAddressLine1_638417254651017703" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="osbc_DocumentAndEntityInformationAbstract" xlink:to="dei_EntityAddressAddressLine1_638417254651017703" order="7" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityAddressCityOrTown" xlink:label="dei_EntityAddressCityOrTown_638417254651017703" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="osbc_DocumentAndEntityInformationAbstract" xlink:to="dei_EntityAddressCityOrTown_638417254651017703" order="8" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityAddressStateOrProvince" xlink:label="dei_EntityAddressStateOrProvince_638417254651017703" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="osbc_DocumentAndEntityInformationAbstract" xlink:to="dei_EntityAddressStateOrProvince_638417254651017703" order="9" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityAddressPostalZipCode" xlink:label="dei_EntityAddressPostalZipCode_638417254651017703" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="osbc_DocumentAndEntityInformationAbstract" xlink:to="dei_EntityAddressPostalZipCode_638417254651017703" order="10" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_CityAreaCode" xlink:label="dei_CityAreaCode_638417254651017703" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="osbc_DocumentAndEntityInformationAbstract" xlink:to="dei_CityAreaCode_638417254651017703" order="11" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_LocalPhoneNumber" xlink:label="dei_LocalPhoneNumber_638417254651017703" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="osbc_DocumentAndEntityInformationAbstract" xlink:to="dei_LocalPhoneNumber_638417254651017703" order="12" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_WrittenCommunications" xlink:label="dei_WrittenCommunications_638417254651027444" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="osbc_DocumentAndEntityInformationAbstract" xlink:to="dei_WrittenCommunications_638417254651027444" order="13" use="optional" priority="2" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_SolicitingMaterial" xlink:label="dei_SolicitingMaterial_638417254651027444" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="osbc_DocumentAndEntityInformationAbstract" xlink:to="dei_SolicitingMaterial_638417254651027444" order="14" use="optional" priority="2" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_PreCommencementTenderOffer" xlink:label="dei_PreCommencementTenderOffer_638417254651027444" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="osbc_DocumentAndEntityInformationAbstract" xlink:to="dei_PreCommencementTenderOffer_638417254651027444" order="15" use="optional" priority="2" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_PreCommencementIssuerTenderOffer" xlink:label="dei_PreCommencementIssuerTenderOffer_638417254651027444" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="osbc_DocumentAndEntityInformationAbstract" xlink:to="dei_PreCommencementIssuerTenderOffer_638417254651027444" order="16" use="optional" priority="2" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_Security12bTitle" xlink:label="dei_Security12bTitle_638417254651027444" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="osbc_DocumentAndEntityInformationAbstract" xlink:to="dei_Security12bTitle_638417254651027444" order="17" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_TradingSymbol" xlink:label="dei_TradingSymbol_638417254651027444" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="osbc_DocumentAndEntityInformationAbstract" xlink:to="dei_TradingSymbol_638417254651027444" order="18" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_SecurityExchangeName" xlink:label="dei_SecurityExchangeName_638417254651027444" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="osbc_DocumentAndEntityInformationAbstract" xlink:to="dei_SecurityExchangeName_638417254651027444" order="19" use="optional" priority="1" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityEmergingGrowthCompany" xlink:label="dei_EntityEmergingGrowthCompany_638417254651027444" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="osbc_DocumentAndEntityInformationAbstract" xlink:to="dei_EntityEmergingGrowthCompany_638417254651027444" order="20" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityCentralIndexKey" xlink:label="dei_EntityCentralIndexKey_638417254651037900" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="osbc_DocumentAndEntityInformationAbstract" xlink:to="dei_EntityCentralIndexKey_638417254651037900" order="21" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_AmendmentFlag" xlink:label="dei_AmendmentFlag_638417254651037900" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="osbc_DocumentAndEntityInformationAbstract" xlink:to="dei_AmendmentFlag_638417254651037900" order="22" use="optional" />
  </presentationLink>
  <presentationLink xlink:role="http://xbrl.sec.gov/cef/role/N2" xlink:type="extended" xlink:title="995470 - Disclosure - N-2" xmlns="http://www.xbrl.org/2003/linkbase" />
</link:linkbase>
