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    <explntrNotes>
      <explntrNote note="Effective August 17, 2026, the Fund's name was changed from FlexShares iBoxx 5-Year Target Duration TIPS Index Fund to Northern Trust iBoxx 5-Year Target Duration TIPS ETF. An amended Prospectus was electronically filed with the Commission on August 14, 2026 (Accession No. 0001193125-26-352141)." noteItem="A.2.a"/>
    </explntrNotes>
    <signature>
      <ncom:dateSigned>2026-08-31</ncom:dateSigned>
      <ncom:nameOfApplicant>FlexShares Trust</ncom:nameOfApplicant>
      <ncom:signature>Randal Rein</ncom:signature>
      <ncom:signerName>Randal Rein</ncom:signerName>
      <ncom:title>Treasurer and PFO</ncom:title>
    </signature>
  </formData>
  <documents>XXXX</documents>
</edgarSubmission>
