<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<!--
  This file is part of the Dutch Taxonomy (Nederlandse Taxonomie; NT)
  Intellectual Property of the State of the Netherlands
  Architecture: NT20
  Version: 20260218.a
  Release date: Aug, 2025
-->
<link:linkbase xmlns:gen="http://xbrl.org/2008/generic" xmlns:label="http://xbrl.org/2008/label" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://xbrl.org/2008/generic http://www.xbrl.org/2008/generic-link.xsd http://xbrl.org/2008/label http://www.xbrl.org/2008/generic-label.xsd">
  <link:roleRef roleURI="http://www.xbrl.org/2008/role/label" xlink:href="http://www.xbrl.org/2008/generic-label.xsd#standard-label" xlink:type="simple"/>
  <link:roleRef roleURI="http://www.xbrl.org/2008/role/link" xlink:href="http://www.xbrl.org/2008/generic-link.xsd#standard-link-role" xlink:type="simple"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/arcrole/2008/element-label" xlink:href="http://www.xbrl.org/2008/generic-label.xsd#element-label" xlink:type="simple"/>
  <gen:link xlink:role="http://www.xbrl.org/2008/role/link" xlink:type="extended">
    <gen:arc xlink:arcrole="http://xbrl.org/arcrole/2008/element-label" xlink:from="ocw-dm_AdvancedReceivedPeriodicPaymentsTypedMember_loc" xlink:to="ocw-dm_AdvancedReceivedPeriodicPaymentsTypedMember_label_nl" xlink:type="arc"/>
    <gen:arc xlink:arcrole="http://xbrl.org/arcrole/2008/element-label" xlink:from="ocw-dm_EstablishmentCodeTypedMember_loc" xlink:to="ocw-dm_EstablishmentCodeTypedMember_label_nl" xlink:type="arc"/>
    <gen:arc xlink:arcrole="http://xbrl.org/arcrole/2008/element-label" xlink:from="ocw-dm_IntangibleAssetTypedMember_loc" xlink:to="ocw-dm_IntangibleAssetTypedMember_label_nl" xlink:type="arc"/>
    <gen:arc xlink:arcrole="http://xbrl.org/arcrole/2008/element-label" xlink:from="ocw-dm_PropertyPlantEquipmentTypedMember_loc" xlink:to="ocw-dm_PropertyPlantEquipmentTypedMember_label_nl" xlink:type="arc"/>
    <gen:arc xlink:arcrole="http://xbrl.org/arcrole/2008/element-label" xlink:from="ocw-dm_SettingCodeTypedMember_loc" xlink:to="ocw-dm_SettingCodeTypedMember_label_nl" xlink:type="arc"/>
    <gen:arc xlink:arcrole="http://xbrl.org/arcrole/2008/element-label" xlink:from="ocw-dm_SubsidyIncomeDescriptionTypedMember_loc" xlink:to="ocw-dm_SubsidyIncomeDescriptionTypedMember_label_nl" xlink:type="arc"/>
    <label:label id="ocw-dm_SubsidyIncomeDescriptionTypedMember_label_nl" xlink:label="ocw-dm_SubsidyIncomeDescriptionTypedMember_label_nl" xlink:role="http://www.xbrl.org/2008/role/label" xlink:type="resource" xml:lang="nl">Beschrijving</label:label>
    <label:label id="ocw-dm_IntangibleAssetTypedMember_label_nl" xlink:label="ocw-dm_IntangibleAssetTypedMember_label_nl" xlink:role="http://www.xbrl.org/2008/role/label" xlink:type="resource" xml:lang="nl">Immaterieel vast actief</label:label>
    <label:label id="ocw-dm_SettingCodeTypedMember_label_nl" xlink:label="ocw-dm_SettingCodeTypedMember_label_nl" xlink:role="http://www.xbrl.org/2008/role/label" xlink:type="resource" xml:lang="nl">Instellingscode</label:label>
    <label:label id="ocw-dm_PropertyPlantEquipmentTypedMember_label_nl" xlink:label="ocw-dm_PropertyPlantEquipmentTypedMember_label_nl" xlink:role="http://www.xbrl.org/2008/role/label" xlink:type="resource" xml:lang="nl">Materiële vaste activa</label:label>
    <label:label id="ocw-dm_EstablishmentCodeTypedMember_label_nl" xlink:label="ocw-dm_EstablishmentCodeTypedMember_label_nl" xlink:role="http://www.xbrl.org/2008/role/label" xlink:type="resource" xml:lang="nl">Vestigingscode</label:label>
    <label:label id="ocw-dm_AdvancedReceivedPeriodicPaymentsTypedMember_label_nl" xlink:label="ocw-dm_AdvancedReceivedPeriodicPaymentsTypedMember_label_nl" xlink:role="http://www.xbrl.org/2008/role/label" xlink:type="resource" xml:lang="nl">Vooruitontvangen bedragen</label:label>
    <link:loc xlink:href="ocw-domains.xsd#ocw-dm_AdvancedReceivedPeriodicPaymentsTypedMember" xlink:label="ocw-dm_AdvancedReceivedPeriodicPaymentsTypedMember_loc" xlink:type="locator"/>
    <link:loc xlink:href="ocw-domains.xsd#ocw-dm_EstablishmentCodeTypedMember" xlink:label="ocw-dm_EstablishmentCodeTypedMember_loc" xlink:type="locator"/>
    <link:loc xlink:href="ocw-domains.xsd#ocw-dm_IntangibleAssetTypedMember" xlink:label="ocw-dm_IntangibleAssetTypedMember_loc" xlink:type="locator"/>
    <link:loc xlink:href="ocw-domains.xsd#ocw-dm_PropertyPlantEquipmentTypedMember" xlink:label="ocw-dm_PropertyPlantEquipmentTypedMember_loc" xlink:type="locator"/>
    <link:loc xlink:href="ocw-domains.xsd#ocw-dm_SettingCodeTypedMember" xlink:label="ocw-dm_SettingCodeTypedMember_loc" xlink:type="locator"/>
    <link:loc xlink:href="ocw-domains.xsd#ocw-dm_SubsidyIncomeDescriptionTypedMember" xlink:label="ocw-dm_SubsidyIncomeDescriptionTypedMember_loc" xlink:type="locator"/>
  </gen:link>
</link:linkbase>
