AGREEMENT TO SERVE AS DISSEMINATION AGENT FOR SECONDARY MARKET DISCLOSUREAgreement • March 16th, 2017 • IowaThis Agreement relates to the municipal securities described in Exhibit A hereto, (collectively, the “Bonds”) for which the Issuer has agreed to provide certain ongoing secondary market disclosure information pursuant to the Issuer’s Continuing Disclosure Agreement, identified in Exhibit A in connection with the Bonds (the “Undertaking”), as outlined in the Continuing Disclosure Agreement with respect to the Bonds. The Issuer and Piper may at any time amend this Agreement to include additional municipal securities of the Issuer by executing an amendment to this Agreement in the form of Exhibit B, attached hereto, which amendment will be fully incorporated herein.