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        <Explanation>A copy of Form 990 is provided to the governing Board.</Explanation>
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      <RentalOfFacilitiesToOtherOrgs>0</RentalOfFacilitiesToOtherOrgs>
      <RentalOfFacilitiesFrOtherOrgs>0</RentalOfFacilitiesFrOtherOrgs>
      <PerformOfServicesForOtherOrgs>0</PerformOfServicesForOtherOrgs>
      <PerformOfServicesByOtherOrgs>0</PerformOfServicesByOtherOrgs>
      <SharingOfFacilities>0</SharingOfFacilities>
      <SharingOfPaidEmployees>0</SharingOfPaidEmployees>
      <ReimbursementPaidToOtherOrg>0</ReimbursementPaidToOtherOrg>
      <ReimbursementPaidByOtherOrg>1</ReimbursementPaidByOtherOrg>
      <OtherTransferToOtherOrg>0</OtherTransferToOtherOrg>
      <OtherTransferFromOtherOrg>1</OtherTransferFromOtherOrg>
      <TransactionsRelatedOrgsTable>
        <NameOfOtherOrganization>
          <BusinessNameLine1>Percival Lowell Trust UW</BusinessNameLine1>
        </NameOfOtherOrganization>
        <TransactionType>e</TransactionType>
        <AmountInvolved>20400000</AmountInvolved>
        <MethodOfAmtDetermination>Amount of Indebtedness is $20,400,000, collateralized by the Trust of Percival Lowell assets.</MethodOfAmtDetermination>
      </TransactionsRelatedOrgsTable>
      <TransactionsRelatedOrgsTable>
        <NameOfOtherOrganization>
          <BusinessNameLine1>Percival Lowell Trust UW</BusinessNameLine1>
        </NameOfOtherOrganization>
        <TransactionType>r</TransactionType>
        <AmountInvolved>470000</AmountInvolved>
        <MethodOfAmtDetermination>The Trust granted to Lowell Observatory $470,000 for general operations.</MethodOfAmtDetermination>
      </TransactionsRelatedOrgsTable>
    </IRS990ScheduleR>
    <ReasonableCauseExplanation documentId="R000008" softwareId="11000129" softwareVersion="v1.00">
      <Explanation>Form 8868 was filed for an Application for Extension of Time to File an Exempt Organization Return. A second 886 was filed for an additional Extension of Time due to extenuating circumstances. The Financial Audit was not completed until August 15, 2012.</Explanation>
    </ReasonableCauseExplanation>
  </ReturnData>
</Return>