Classic ASP XPath select parent node where child node has certain text

In Classic ASP I have an XML document loaded into a session variable session("ArrayOfInformation")
I have available to me the PartnerUid.
I need to find out:
1- Is there a node in the XML where the PartnerUid is what I am looking for
2- If there is such a node, I need the DsiplayName and the DirectoryName

If someone can point me to the appropriate XPATH so that I can run selectSingleNode on the "Information" node that contains the child node I am looking for, I can get to the two values I am looking for.

<ArrayOfInformation>
  <Information>
    <PartnerId>12345</PartnerId>
    <Description>Description Here</Description>
    <DirectoryName>Directory Name Here</DirectoryName>
    <PartnerUid>54321</PartnerUid>
    <DisplayName>Display Name Here</DisplayName>
  </Information>
  <Information>
    <PartnerId>67890</PartnerId>
    <Description>Description Here</Description>
    <DirectoryName>Directory Name Here</DirectoryName>
    <PartnerUid>098765</PartnerUid>
    <DisplayName>Display Name Here</DisplayName>
  </Information>
</ArrayOfInformation>

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